1 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4 bfin_legitimate_constant_p.
5 * config/bfin/bfin.md (movsi expander): Check return value of
7 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
8 (expand_move): Adjust prototype.
9 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
10 invalid constants specially.
11 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
13 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
15 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
16 sibcall_value_symbol): Allow these patterns if
17 TARGET_LEAF_ID_SHARED_LIBRARY.
18 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
19 (override_options): Turn on id shared library flags if -msep-data,
20 but disallow the combination of these options on the command line.
21 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
22 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
23 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
25 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
26 * doc/invoke.texi (Blackfin Options): Document new switches.
28 2006-11-19 Andrew Pinski <pinskia@gmail.com>
31 * fwprop.c (loops): Remove.
32 (forward_propagate_into): Use current_loops instead of
34 (fwprop_init): Call loop_optimizer_init instead of
36 (fwprop_done): Call loop_optimizer_finalize instead of
38 (fwprop): Use current_loops instead of loops.
40 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
43 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
45 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
48 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
49 larger than BITS_PER_WORD.
51 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
55 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
56 to MAX_FIXED_MODE_SIZE.
58 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
60 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
61 (fold_builtin_fmin_fmax): New.
62 (fold_builtin_1): Use it.
64 * fold-const.c (fold_strip_sign_ops): Handle copysign.
66 2006-11-18 Richard Guenther <rguenther@suse.de>
68 * config/i386/i386.c (ix86_builtins): New array for ix86
69 builtin function decls.
70 (def_builtin): New function.
71 (def_builtin_const): Likewise.
72 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
74 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
76 * doc/invoke.texi (core2): Add item.
78 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
80 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
81 (TARGET_CPU_DEFAULT_generic): Change value.
82 (TARGET_CPU_DEFAULT_NAMES): Add core2.
83 (processor_type): Add new constant PROCESSOR_CORE2.
85 * config/i386/i386.md (cpu): Add core2.
87 * config/i386/i386.c (core2_cost): New initialized variable.
89 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
90 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
91 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
92 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
93 x86_partial_reg_dependency, x86_memory_mismatch_stall,
94 x86_accumulate_outgoing_args, x86_prologue_using_move,
95 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
96 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
97 x86_use_incdec, x86_four_jump_limit, x86_schedule,
98 x86_pad_returns): Add m_CORE2.
99 (override_options): Add entries for Core2.
100 (ix86_issue_rate): Add case for Core2.
102 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
104 * doc/invoke.texi: Fix mno-isel typo.
106 2006-11-18 Joseph Myers <joseph@codesourcery.com>
108 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
109 easy vector constant loads.
111 2006-11-18 Joseph Myers <joseph@codesourcery.com>
113 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
114 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
115 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
116 * config/rs6000/sync.md (lwsync): Emit plain sync if
119 2006-11-17 DJ Delorie <dj@redhat.com>
121 * reload1.c (reloads_unique_chain): New.
122 (reloads_conflict): Call it.
124 2006-11-17 Bob Wilson <bob.wilson@acm.org>
126 * config/xtensa/predicates.md (addsubx_operand): New.
127 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
128 (xtensa_emit_bit_branch): New.
129 (xtensa_emit_movcc): New.
130 * config/xtensa/xtensa.md (any_minmax): New code macro.
131 (minmax): New code attribute.
132 (any_cond, any_scc, any_scc_sf): New code macros.
133 (*addx2, *addx4, *addx8): Delete.
135 (*subx2, *subx4, *subx8): Delete.
137 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
138 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
139 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
140 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
141 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
142 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
143 (movsfcc_internal0, movsfcc_internal1): Likewise.
144 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
145 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
146 (xtensa_emit_bit_branch): New.
147 (xtensa_emit_movcc): New.
148 (function_arg_boundary): Add missing prototype.
150 2006-11-17 Bob Wilson <bob.wilson@acm.org>
152 * config/xtensa/xtensa.md (tstsi): Delete
154 2006-11-17 Bob Wilson <bob.wilson@acm.org>
156 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
158 2006-11-17 Bob Wilson <bob.wilson@acm.org>
160 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
162 2006-11-17 Bob Wilson <bob.wilson@acm.org>
164 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
166 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
168 * tree-vrp.c (execute_vrp): Do not update current_loops.
169 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
170 * doc/loop.texi: Remove documentation for cancelled functions.
171 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
172 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
174 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
175 (remove_path): Ensure that in delete_basic_blocks, the loops
177 (add_loop): Work on valid loop structures.
178 (loopify): Modify call of add_loop.
179 (mfb_update_loops): Removed.
180 (create_preheader): Do not update loops explicitly.
181 (force_single_succ_latches, loop_version): Do not use
182 loop_split_edge_with.
183 (loop_split_edge_with): Removed.
184 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
185 Do not use bsi_insert_on_edge_immediate_loop.
186 (split_loop_exit_edge, tree_unroll_loop): Do not use
187 loop_split_edge_with.
188 (bsi_insert_on_edge_immediate_loop): Removed.
189 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
190 use loop_split_edge_with.
191 * cfghooks.c: Include cfgloop.h.
192 (verify_flow_info): Verify that loop_father is filled iff current_loops
194 (redirect_edge_and_branch_force, split_block, delete_basic_block,
195 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
197 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
199 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
200 loop_split_edge_with.
201 (sms_schedule): Use current_loops.
202 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
203 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
205 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
206 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
207 * ifcvt.c (if_convert): Ditto.
208 * predict.c (predict_loops): Do not clear current_loops.
209 (tree_estimate_probability): Use current_loops.
210 (propagate_freq): Receive head of the region to propagate instead of
212 (estimate_loops_at_level): Do not use shared to_visit bitmap.
213 (estimate_loops): New function. Handle case current_loops == NULL.
214 (estimate_bb_frequencies): Do not allocate tovisit. Use
216 * tree-ssa-loop.c (current_loops): Removed.
217 (tree_loop_optimizer_init): Do not return loops.
218 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
219 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
220 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
221 Do not update loops explicitly.
222 * function.h (struct function): Add x_current_loops field.
223 (current_loops): New macro.
224 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
225 * loop-unroll.c (split_edge_and_insert): New function.
226 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
227 use loop_split_edge_with.
228 * loop-doloop.c (add_test, doloop_modify): Ditto.
229 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
230 * cfglayout.c (copy_bbs): Do not update loops explicitly.
231 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
232 * tree-vect-transform.c (vect_transform_loop): Do not update loops
234 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
235 (flow_loops_free): Do not free dfs_order and rc_order.
236 (flow_loops_find): Do not set dfs_order and rc_order in loops
237 structure. Do not call loops and flow info verification.
238 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
239 already belongs to some loop.
240 * cfgloop.h (struct loops): Remove struct cfg.
241 (current_loops, loop_split_edge_with): Declaration removed.
242 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
243 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
245 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
246 * basic-block.h (split_edge_and_insert): Declare.
247 * tree-cfg.c (remove_bb): Do not update loops explicitly.
249 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
251 PR tree-optimization/29801
252 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
253 (get_default_value): Use get_symbol_constant_value.
254 (set_lattice_value): ICE when the value of the constant is
256 (visit_assignment): Ignore VDEFs of read-only variables.
258 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
260 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
262 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
263 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
265 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
267 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
268 select subvars of var.
270 2006-11-17 Jakub Jelinek <jakub@redhat.com>
273 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
274 optimize if DEF doesn't have integral type.
276 2006-11-16 Mike Stump <mrs@apple.com>
278 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
279 pre-darwin9 system, unless the user asks for it directly.
280 (PREFERRED_DEBUGGING_TYPE): Likewise.
281 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
282 * config.gcc: Add suppport for darwin9.h.
283 * config/darwin9.h: Add.
284 * doc/install.texi (Specific): Clarify darwin documentation.
286 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
288 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
291 2006-11-16 Mike Stump <mrs@apple.com>
293 * Makefile.in (targhooks.o): Add $(OPTABS_H).
295 2006-11-16 Dirk Mueller <dmueller@suse.de>
297 * tree-vrp.c (get_value_range): Use XCNEW instead
299 (insert_range_assertions): Use XCNEWVEC instead
300 of XNEWVEC and memset.
301 (vrp_initialize): Same.
302 (vrp_finalize): Same.
303 * tree-ssa-ccp.c (ccp_initialize): Same.
304 * predict.c (tree_bb_level_predictions): Same.
305 * calls.c (expand_call): Same.
306 * tree-ssa-copy.c (init_copy_prop): Same.
307 (fini_copy_prop): Same.
308 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
309 of GGC_NEW and memset.
311 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
314 * gimplify.c (gimplify_expr): Only force a load for references to
315 non-BLKmode volatile values.
316 * doc/implement-c.texi (Qualifiers implementation): Document the
317 interpretation of what a volatile access is.
318 * doc/extend.texi (C++ Extensions): Rework same documentation.
320 2006-11-16 Joseph Myers <joseph@codesourcery.com>
322 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
325 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
327 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
329 (arm_neg_abssi2): Renamed from neg_abssi2.
330 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
332 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
334 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
335 number of arguments passed to local functions in SSE registers is 3.
337 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
338 number of arguments passed in SSE registers to 3.
340 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
343 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
345 (get_last_bb_insn): ... new global function.
346 (basic_block.h): Declare it.
347 * haifa-sched.c (create_recovery_block): Use it.
349 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
352 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
354 2006-11-15 Paul Brook <paul@codesourcery.com>
356 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
357 _Unwind_GetTextRelBase): Move from here ...
358 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
359 _Unwind_GetTextRelBase): ... To here.
361 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
363 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
364 addresses we generate for testing are aligned.
366 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
369 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
370 to what is the const decl is a place holder for.
372 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
374 * config/i386/i386.opt: New target option -mx87regparm.
376 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
377 and float_in_x87 variables. mmx_words, sse_words: Remove.
378 (X87_REGPARM_MAX): Define.
380 * config/i386/i386.c (override_options): Error out for
381 -mx87regparm but no 80387 support.
382 (ix86_attribute_table): Add x87regparm.
383 (ix86_handle_cconv_attribute): Update comments for x87regparm.
384 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
385 (ix86_function_x87regparm): New function.
386 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
388 (init_cumulative_args): Initialize x87_nregs and float_in_x87
390 (function_arg_advance): Process x87_nregs and x87_regno when
391 floating point argument is to be passed in 80387 register.
392 (function_arg): Pass XFmode arguments in 80387 registers for local
393 functions. Pass SFmode and DFmode arguments to local functions
394 in 80387 registers when flag_unsafe_math_optimizations is set.
396 * reg-stack.c (convert_regs_entry): Disable NaN load for
397 stack registers that are used for argument passing.
399 * doc/extend.texi: Document x87regparm function attribute.
400 * doc/invoke.texi: Document -mx87regparm.
402 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
404 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
405 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
406 arg MODE; all callers changed. Use it to determine validity per
407 machine mode instead of using Pmode for all memory references.
408 (get_address_cost): Likewise add and use new arg MEM_MODE.
410 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
411 J"orn Rennecke <joern.rennecke@st.com>
413 * combine.c (likely_spilled_retval_1): Fix masking operation.
414 (likely_spilled_retval_p): Use proper pattern for call to
415 likely_spilled_retval_1.
417 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
419 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
421 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
422 that tests for CONSTANT_POOL_ADDRESS_P.
424 2006-11-15 Jakub Jelinek <jakub@redhat.com>
426 PR tree-optimization/29581
427 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
428 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
429 type is different between Y and USE, create a temporary
430 variable, initialize it at the beginning of the body bb
431 and use it as replacement instead of Y.
433 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
436 * gimplify.c (fold_indirect_ref_rhs): Use
437 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
439 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
441 * expmed.c (emit_store_flag_1): New function.
442 (emit_store_flag): Call it. If we can't find a suitable scc insn,
444 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
445 Use do_compare_rtx_and_jump.
446 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
447 * arm.md (cstoresi4): New define_expand.
448 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
449 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
450 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
452 2006-11-14 Caroline Tice <ctice@apple.com>
454 * dwarf2out.c (debug_pubtypes_section): New static global variable.
455 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
457 (pubname_table): Redefine as a vector.
458 (pubtype_table): New static global variable, defined as a vector.
459 (pubname_table_allocated): Remove static global variable.
460 (pubname_table_in_use): Remove static global variable.
461 (PUBNAME_TABLE_INCREMENT): Remove constant.
462 (size_of_pubnames): Add parameter to deal with either pubnames or
463 pubtypes, and change code to deal with table being a vector.
464 (add_pubname): Change to deal with table being a vector.
465 (add_pubtype): New function.
466 (output_pubnames): Add parameter to deal with either pubnames or
467 pubtypes, and change code to deal with table being a vector.
468 (gen_array_type_die): Add call to add_pubtype.
469 (gen_enumeration_type_die): Add call to add_pubtype.
470 (gen_struct_or_union_type_die): Add call to add_pubtype.
471 (gen_subroutine_type_die): Add call to add_pubtype.
472 (gen_typedef_die): Add call to add_pubtype.
473 (dwarf2out_init): Add code to initialize pubname_table and
474 pubtype_table vectors; also initialize debug_pubtypes_section.
475 (prune_unused_types): Change to deal with pubnames being a vector.
476 (dwarf2out_finish): Change to deal with pubnames being a vector; add
477 pubnames table to call to output_pubnames; Add code to output pubtypes
478 table if DEBUG_PUBTYPES_SECTION is defined.
479 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
481 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
483 2006-11-14 Joseph Myers <joseph@codesourcery.com>
485 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
486 iwmmxt_nregs if TARGET_IWMMXT_ABI.
487 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
488 movv2si_internal): Support moves between core registers.
490 2006-11-14 Eric Christopher <echristo@apple.com>
492 * configure: Regenerate with autoconf 2.59.
494 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
496 Fix PR tree-optimization/27755
498 * tree-ssa-pre.c: Update comments.
499 (bb_bitmap_sets): Add pa_in and deferred member.
500 (BB_DEFERRED): New macro.
501 (maximal_set): New variable.
502 (pre_stats): Add pa_insert member.
503 (bitmap_set_and): Short circuit orig == dest.
504 (bitmap_set_subtract_values): New function.
505 (bitmap_set_contains_expr): Ditto.
506 (translate_vuses_through_block): Add phiblock argument.
507 (dependent_clean): New function.
508 (compute_antic_aux): Update for maximal_set changes.
509 (compute_partial_antic_aux): New function.
510 (compute_antic): Handle partial anticipation.
511 (do_partial_partial_insertion): New function.
512 (insert_aux): Handle partial anticipation.
513 (add_to_sets): Add to maximal set.
514 (compute_avail): Ditto.
515 (init_pre): Initialize maximal_set.
516 (execute_pre): Do partial anticipation if -O3+.
518 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
520 PR rtl-optimization/29798
522 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
523 TARGET_INSN before any other check.
524 (fwprop_init): Always calculate dominators.
525 (fwprop_done): Always free them.
527 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
529 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
532 2006-11-13 DJ Delorie <dj@redhat.com>
534 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
535 temporary for intermediates.
537 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
539 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
540 (sh_optimize_target_register_callee_saved): #if 0 the code
541 using NOTE_INSN_LOOP_{BEG,END}.
543 2006-11-13 Roger Sayle <roger@eyesopen.com>
545 * fold-const.c (optimize_bit_field_compare): Recursively call
546 fold when simplifying non-constant comparisons between bit-fields.
548 2006-11-13 Jakub Jelinek <jakub@redhat.com>
550 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
552 * configure: Rebuilt.
554 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
556 * config/rs6000/cell.md: New file.
557 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
559 (ppccell_cost): New cost matrix.
560 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
561 (rs6000_override_options): Set rs6000_always_hint to false
562 for cell. Also align functions/lables/loops to 8byte
563 for the Cell. Use PROCESSOR_CELL.
564 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
566 (rs6000_variable_issue): If the insn is a nonpipelined instruction
567 on the Cell, return 0.
568 (rs6000_adjust_cost): Add Cell cost adjustments.
569 (is_microcoded_insn): Return true for Cell microcoded
571 (is_nonpipeline_insn): New function.
572 (rs6000_issue_rate): Add PROCESSOR_CELL.
573 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
575 (rs6000_use_sched_lookahead_guard): New function.
576 (rs6000_sched_reorder): Reorder the ready list, if the second
577 to last ready insn is a nonepipeline insn on the Cell.
578 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
579 (ASM_CPU_SPEC): Add Cell.
580 * config/rs6000/rs6000.md (cpu): Add Cell.
581 (cell_micro): New Attr.
584 2006-11-13 Jakub Jelinek <jakub@redhat.com>
586 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
588 * configure: Rebuilt.
590 2006-11-13 Richard Guenther <rguenther@suse.de>
592 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
594 (ix86_expand_lfloorceil): Likewise.
595 (ix86_expand_rint): Likewise.
596 (ix86_expand_floorceildf_32): Likewise.
597 (ix86_expand_floorceil): Likewise.
598 (ix86_expand_rounddf_32): Likewise.
599 (ix86_expand_truncdf_32): Likewise.
600 (ix86_expand_round): Likewise.
602 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
603 Mark Mitchell <mark@codesourcery.com>
605 * gcc.c: Organize search path variables into $prefix relative,
606 and well-known native. Add comments.
607 (add_sysrooted_prefix): Add comment.
608 (process_command): If !gcc_exec_prefix add $prefix based paths.
609 If *cross_compile == '0', add native well-known paths.
610 Assert tooldir_base_prefix is always relative.
611 (main): If print_search_dirs, and if gcc_exec_prefix is set,
612 use this value for 'install:' path.
613 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
615 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
617 * config/i386/i386.c: Fix a typo in comment.
619 2006-11-13 Michael Matz <matz@suse.de>
621 * genemit.c (gen_expand): Allocate enough memory.
623 2006-11-13 Joseph Myers <joseph@codesourcery.com>
625 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
626 __GXX_TYPEINFO_EQUALITY_INLINE but not
627 __GXX_MERGED_TYPEINFO_NAMES.
628 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
629 __GXX_MERGED_TYPEINFO_NAMES.
630 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
631 __GXX_TYPEINFO_EQUALITY_INLINE.
633 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
634 Zdenek Dvorak <dvorakz@suse.cz>
636 PR tree-optimization/29680
637 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
640 2006-11-12 Jason Merrill <jason@redhat.com>
641 Andrew Pinski <pinskia@physics.uc.edu>
644 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
646 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
648 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
649 * tree.c (build_vector): Handle non-_CST elements.
651 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
653 * genemit.c (gen_insn): Call gen_exp with a non-null used
654 when handling multiple insns.
655 (gen_expand): Likewise.
656 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
657 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
658 (movsi_const_16bit+1): Copy operands[1].
659 (call_pcrel): Copy the call_site pattern.
660 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
662 2006-11-12 Roger Sayle <roger@eyesopen.com>
664 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
665 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
666 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
667 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
669 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
671 Fix PR tree-optimization/29587
672 * tree-ssa-structalias.c (process_constraint): Don't
673 mark address taken due only to escaped vars constraint.
675 2006-11-12 Michael Matz <matz@suse.de>
676 Roger Sayle <roger@eyesopen.com>
678 PR rtl-optimization/29797
679 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
680 BITS_BIG_ENDIAN targets.
682 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
684 * builtins.c (fold_builtin_cosh): New.
685 (fold_builtin_1): Use it.
686 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
687 trunc to the list of "odd" functions. Also add llrint, lrint,
688 rint and nearbyint when flag_rounding_math is false.
690 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
692 * tree-flow.h (name_mappings_registered_p): Declare.
693 * tree-into-ssa.c (name_mappings_registered_p): New function.
694 * tree-cfg.c (tree_can_merge_blocks_p): Check
695 name_mappings_registered_p instead of need_ssa_update_p.
697 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
699 * tree-ssa-loop.c (tree_vectorize): Return the result of
701 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
703 * tree-vectorizer.h (vectorize_loops): Declaration removed.
704 * tree-flow.h (vectorize_loops): Declaration changed.
706 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
708 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
710 (issue_prefetch_ref): Move assignment to write_p out of loop.
711 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
712 SIMULTANEOUS_PREFETCHES into account.
713 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
714 * lambda-code.c (lcm): Renamed to ...
715 (least_common_multiple): ... and exported.
716 * tree-flow.h (least_common_multiple): Declare.
718 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
720 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
721 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
722 ud-chains. Handle AND_EXPR.
723 (record_estimate): Record whether the estimate is realistic
724 and whether it is derived from a loop exit.
725 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
726 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
728 (compute_estimated_nb_iterations): Take only realistic bounds into
729 account. Set estimate_state. Use double_ints.
730 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
731 and infer_loop_bounds_from_signedness. Do not consider basic blocks
732 that do not have to be always executed.
733 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
734 to determine whether to call infer_loop_bounds_from_undefined
735 and compute_estimated_nb_iterations.
736 (n_of_executions_at_most): Use double_ints.
737 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
738 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
739 * double-int.c (double_int_to_tree): Improve comment.
740 (double_int_fits_to_tree_p): New function.
741 * double-int.h (double_int_fits_to_tree_p): Declare.
742 * tree-data-ref.c: Include langhooks.h.
743 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
744 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
745 (analyze_array): Do not pass estimate_only argument to
746 analyze_array_indexes.
747 (get_number_of_iters_for_loop): Build tree from the stored double_int
749 (get_references_in_stmt, find_data_references_in_stmt): New functions.
750 (find_data_references_in_loop): Use find_data_references_in_stmt.
751 * tree-data-ref.h (struct data_ref_loc_d): New.
752 (get_references_in_stmt): Declare.
753 (estimate_iters_using_array): Declaration removed.
754 * cfgloop.h (struct nb_iter_bound): Change type of bound to
755 double_int. Improve comments. Add is_exit and realistic
757 (struct loop): Changed type of estimated_nb_iterations to double_int.
758 Added estimate_state field.
759 (record_estimate): Declaration removed.
761 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
763 * params.c (set_param_value): Initialize the "set" field.
764 * params.h (struct param_info): Add "set" field.
765 (PARAM_SET_P): New macro.
766 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
767 L1_CACHE_LINE_SIZE): New macros.
768 * toplev.c (DEFPARAM): Initialize the "set" field.
769 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
770 SIMULTANEOUS_PREFETCHES): Removed.
771 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
772 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
773 * config/sparc/sparc.c: Include params.h.
774 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
775 L1_CACHE_LINE_SIZE parameters.
776 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
778 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
780 * config/i386/i386.c: Include params.h.
781 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
782 (override_options): Set SIMULTANEOUS_PREFETCHES and
783 L1_CACHE_LINE_SIZE parameters.
784 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
785 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
786 L1_CACHE_LINE_SIZE parameters.
787 * config/ia64/ia64.c (ia64_optimization_options): Set
788 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
789 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
791 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
792 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
793 * doc/invoke.texi: Document new params.
795 2006-11-12 Roger Sayle <roger@eyesopen.com>
797 PR tree-optimization/13827
798 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
801 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
803 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
804 update_single_exit_for_duplicated_loops): New functions.
805 (duplicate_loop_to_header_edge): Use
806 update_single_exit_for_duplicated_loops.
807 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
808 functions only with ENABLE_CHECKING.
810 2006-11-12 Andreas Schwab <schwab@suse.de>
812 * except.c (sjlj_emit_function_enter): Remove unused variable.
814 2006-11-11 Roger Sayle <roger@eyesopen.com>
816 * fold-const.c (int_binop_types_match_p): New function.
817 (size_binop): Relax constraint that both arguments must both have
818 exactly the same sizetype type. Instead use int_binop_types_match_p.
819 (size_diffop): Likewise.
821 (make_range): Use build_int_cst instead of fold_convert.
822 (fold_cond_expr_with_comparison): Use build_int_cst to construct
823 integer constants of the correct type.
824 (fold_div_compare): Likewise.
825 (fold_single_bit_test): Likewise.
826 (fold_binary): Likewise.
827 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
828 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
830 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
833 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
834 non null value if the struct memory access is in the 0th
837 2006-11-12 Jie Zhang <jie.zhang@analog.com>
840 2006-11-11 Jie Zhang <jie.zhang@analog.com>
841 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
844 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
845 instead of builtin_define for bfin and BFIN.
847 2006-11-11 Jie Zhang <jie.zhang@analog.com>
849 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
852 2006-11-11 Jan Hubicka <jh@suse.cz>
854 * extended.texi (__builtin_expect): We no longer require second argument
856 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
857 * builtins.c (expand_builtin_expect): Simplify.
858 (expand_builtin_expect_jump): Kill.
859 * final.c (final_scan_insn): Do not skip the removed notes.
860 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
861 EXPECTED_VALUE): Remove.
862 * dojump.c (do_jump): Do not care about __builtin_expect.
863 * predict.c (expected_value_to_br_prob): Kill.
864 * function.c (expand_function_end): Do not expand
865 NOTE_INSN_REPEATED_LINE_NUMBER.
866 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
867 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
868 * cfgexpand.c (add_reg_br_prob_note): Export.
869 * cfgcleanup.c (rest_of_handle_jump2): Do not call
870 expected_value_to_br_prob.
871 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
872 * rtl.h (add_reg_br_prob_note): Declare.
874 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
876 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
878 2006-11-11 Jan Hubicka <jh@suse.cz>
880 * predict.c (predict_loops): Kill RTL variant.
882 2006-11-11 Jan Hubicka <jh@suse.cz>
884 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
885 * modulo-sched.c (find_line_note): Remove.
886 (loop_canon_p): Do not worry about line number notes.
887 (sms_schedule): Likewise.
888 * cse.c (cse_main): Likewise.
889 * regmove.c (fixup_match_1): Likewise
890 * function.c (emit_return_info_block): Likewise.
891 (expand_function_end): Likewise.
892 (thread_prologue_an_epilogue_insns): Likewise.
893 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
895 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
896 emit_note_copy_after): Kill.
897 (emit_note_copy): Do not worry about line numbers.
898 * jump.c (purge_line_number_notes): Kill.
899 (pass_purge_lineno_notes): Kill.
900 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
902 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
903 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
904 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
905 * tree-pass.h (pass_purge_lineno_notes): Kill.
906 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
907 rm_redundant_line_notes.
908 * sched-rgb.c (schedule_region): Don't rm_line_notes,
909 rm_redundant_line_notes.
910 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
911 * haifa-sched.c: Update comment about handling notes.
912 (unlink_line_notes): Kill.
913 (rm_line_notes): Kill.
914 (save_line_notes): Simplify.
915 (rm_redundant_line_notes): Kill.
917 2006-11-11 Richard Guenther <rguenther@suse.de>
919 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
920 Remove unused tree codes.
921 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
922 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
923 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
924 * tree.c (stabilize_reference): Likewise.
925 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
926 fold_unary): Likewise.
927 * tree-gimple.c (is_gimple_cast): Likewise.
928 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
929 * expr.c (expand_expr_real_1): Likewise.
930 * tree-eh.c (tree_could_trap_p): Likewise.
931 * gimplify.c (gimplify_expr): Likewise.
932 * tree-inline.c (estimate_num_insns_1): Likewise.
933 * tree-cfg.c (verify_expr): Likewise.
935 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
937 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
938 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
939 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
941 2006-11-11 Richard Sandiford <richard@codesourcery.com>
944 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
945 constraints accept neither registers or memories.
947 2006-11-11 Jie Zhang <jie.zhang@analog.com>
949 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
950 (NO_PROFILE_COUNTERS): Define as 1.
952 2006-11-10 Roger Sayle <roger@eyesopen.com>
954 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
955 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
957 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
959 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
961 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
963 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
964 (fold_builtin_hypot): Likewise.
965 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
967 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
969 2006-11-10 Roger Sayle <roger@eyesopen.com>
971 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
972 when attempting to build INTEGER_CSTs of non-integral types.
973 * expmed.c (make_tree): Use the correct type, i.e. the inner
974 type, when constructing the individual elements of a CONST_VECTOR.
976 2006-11-10 Jan Hubicka <jh@suse.cz>
978 * cse.c (cse_process_notes): Copy the propagated value.
979 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
981 * gcse.c (try_replace_reg): Copy the replacement.
982 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
983 (assign_386_stack_local): Always return copied memory expression
984 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
987 2006-11-10 Jan Hubicka <jh@suse.cz>
989 * final.c (final): Walk from first instruction.
990 * cfglayout.c (insn_locators_initialize): Remove line number notes.
992 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
995 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
997 (umulv8hi3_highpart): Ditto.
998 (vec_widen_smult_hi_v8hi): New expander.
999 (vec_widen_smult_lo_v8hi): Ditto.
1001 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1004 * builtins.c (do_mpfr_arg3): New.
1005 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1007 2006-11-09 Eric Christopher <echristo@apple.com>
1012 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1013 * config.gcc (powerpc64-*-darwin*): New target.
1014 * config.host: Ditto.
1015 * config/rs6000/darwin64.h: New file.
1016 * config/rs6000/x-darwin64: Ditto.
1017 * config/rs6000/host-ppc64-darwin.c: Ditto.
1019 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1021 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1022 routines for integer division.
1024 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1026 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1028 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1031 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1033 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1035 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1036 simplify_subreg with BLKmode outer mode.
1038 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1040 * doc/invoke.texi: Minor formatting fixes in option lists.
1042 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1044 PR tree-optimization/29738
1045 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1046 (ccp_lattice_t): Remove UNKNOWN_VAL.
1047 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1048 Do not handle UNKNOWN_VAL.
1049 (get_default_value): Set initial value of virtual operands to
1051 (get_value): Always use get_default_value on uninitialized
1053 (set_value_varying, surely_varying_stmt_p): New functions.
1054 (set_lattice_value): Do not pass argument to get_value.
1055 Do not handle UNKNOWN_VAL.
1056 (likely_value): Follow the semantics described in the comment.
1057 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1058 phi nodes DONT_SIMULATE_AGAIN.
1059 (ccp_fold): Do not pass argument to get_value.
1060 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1063 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1065 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1066 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1068 2006-11-08 Roger Sayle <roger@eyesopen.com>
1070 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1071 test for inclusion rather than as a test for exclusion.
1072 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1073 the condition after calling fold_binary.
1074 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1075 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1076 * builtins.c (fold_builtin_isascii): Likewise.
1077 (fold_builtin_isdigit): Likewise.
1079 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1081 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1082 * configure: Regenerate.
1084 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1086 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1087 enum argument instead of bool.
1088 (vect_analyze_operations): Call vectorizable_type_promotion.
1089 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1090 stmt_vec_info_type value.
1091 (supportable_widening_operation, vectorizable_type_promotion): New
1092 function declarations.
1093 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1094 (vectorizable_type_promotion): New function.
1095 (vect_transform_stmt): Call vectorizable_type_promotion.
1096 * tree-vect-analyze.c (supportable_widening_operation): New function.
1097 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1099 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1102 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1103 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1104 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1106 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1107 * expr.c (expand_expr_real_1): Likewise.
1108 * optabs.c (optab_for_tree_code): Likewise.
1109 (init_optabs): Initialize new optabs.
1110 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1111 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1112 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1113 vec_unpacku_lo_optab): Initialize new optabs.
1114 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1115 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1116 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1118 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1119 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1120 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1121 (vec_unpacku_lo_optab): New optabs.
1122 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1123 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1124 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1125 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1126 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1127 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1129 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1130 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1131 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1132 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1133 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1134 implement the unsigned unpacking patterns.
1135 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1136 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1137 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1138 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1139 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1140 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1141 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1142 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1143 multiplication patterns.
1145 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1146 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1147 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1148 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1149 (rs6000_builtin_mul_widen_odd): New.
1150 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1151 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1152 * tree-vectorizer.h (enum vect_relevant): New enum type.
1153 (_stmt_vec_info): Field relevant chaned from bool to enum
1155 (STMT_VINFO_RELEVANT_P): Updated.
1156 (STMT_VINFO_RELEVANT): New.
1157 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1158 instead of STMT_VINFO_RELEVANT_P.
1159 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1160 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1161 and boolean variable with enum vect_relevant.
1162 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1163 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1164 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1166 2006-11-08 Richard Henderson <rth@redhat.com>
1168 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1169 vec_widen_umult_lo_v8hi): New.
1170 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1171 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1173 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1174 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1175 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1176 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1177 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1178 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1179 vec_unpacks_lo_v4si): New.
1181 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1183 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1184 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1185 (vect_analyze_operations): Call vectorizable_type_demotion.
1186 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1187 stmt_vec_info_type value.
1188 (vectorizable_type_demotion): New function declaration.
1189 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1192 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1193 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1195 * tree-iniline.c (estimate_num_insns_1): Likewise.
1196 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1197 * optabs.c (optab_for_tree_code): Likewise.
1199 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1200 compared against the predicate of the result is not 'mode' (the input
1201 to the function) but a mode with half the size of 'mode'.
1202 (init_optab): Initialize new optabs.
1203 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1205 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1207 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1208 (vec_pack_usat_optab): Initialize new optabs.
1209 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1210 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1212 2006-11-08 Richard Henderson <rth@redehat.com>
1214 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1215 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1216 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1217 (vec_interleave_highv4si, vec_interleave_lowv4si):
1218 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1220 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1222 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1224 (vect_transform_stmt): Removed redundant code.
1226 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1228 * tree-vect-transform.c (vectorizable_operation): Support multiple
1231 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1233 * tree-vect-transform.c (vect_align_data_ref): Removed.
1234 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1235 Updated function documentation. Return the increment stmt in ptr_incr.
1236 (bump_vector_ptr): New function.
1237 (vect_get_vec_def_for_stmt_copy): New function.
1238 (vect_finish_stmt_generation): Create a stmt_info to newly created
1240 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1242 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1243 VF is greater than the number of elements that can fit in one vector
1245 (vectorizable_operation, vectorizable_condition): Likewise.
1246 (vectorizable_store, vectorizable_load): Support the case that the VF
1247 is greater than the number of elements that can fit in one vector word.
1248 (vect_transform_loop): Don't fail in case of multiple data-types.
1249 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1250 in case of multiple data-types; the smallest type determines the VF.
1251 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1252 if they are of different sizes.
1253 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1254 number of elements rather than number of bytes.
1255 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1256 (vect_can_advance_ivs_p): Fix a dump printout
1258 2006-11-07 Eric Christopher <echristo@apple.com>
1260 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1261 (__bswapsi2): Ditto.
1262 * libgcc2.h: Remove transformation of bswap routines.
1263 * config/i386/i386.md (bswapsi2): New.
1266 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1268 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1269 (handle_gnu_inline_attribute): New function.
1270 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1271 (merge_decls, start_decl, start_function): Likewise.
1272 * doc/extend.texi: Document gnu_inline attribute.
1274 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1277 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1278 _fixunstfdi, and _floatditf
1280 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1282 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1284 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1285 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1286 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1287 which start in an odd register.
1289 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1291 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1293 2006-11-07 Josh Conner <jconner@apple.com>
1295 * doc/invoke.texi (fstrict-aliasing): Move implementation
1297 * doc/tree-ssa.texi (Alias analysis): ...here.
1299 2006-11-07 Richard Guenther <rguenther@suse.de>
1301 PR tree-optimization/29610
1302 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1303 of tree_purge_dead_eh_edges as it may free dominators.
1305 * g++.dg/other/pr29610.C: New testcase.
1307 2006-11-07 David Ung <davidu@mips.com>
1309 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1310 costs when optimizing for size.
1311 (override_options): Use mips_rtx_cost_optimize_size table for cost
1314 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1316 * gcc.c (process_command): Treat -b as normal switch if its argument
1319 2006-11-07 David Ung <davidu@mips.com>
1321 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1324 2006-11-06 Eric Christopher <echristo@apple.com>
1326 * config.gcc: Add x86_64-darwin host support.
1327 * config.host: Ditto.
1328 * config/i386/darwin64.h: New file.
1329 * config/i386/t-darwin64: Ditto.
1331 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1333 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1334 and output-exists-not.
1336 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1339 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1340 checking for overflow.
1342 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1344 * configure.ac: Fixed typo in case statement: :: changed to ;;
1346 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1348 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1349 count_leading_zeros, and count_trailing_zeros.
1350 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1351 (TARGET_FOLD_BUILTIN): Define.
1352 (TARGET_EXPAND_BUILTIN): Define.
1353 (xtensa_init_builtins): New.
1354 (xtensa_fold_builtin): New.
1355 (xtensa_expand_builtin): New.
1356 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1357 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1358 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1359 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1360 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1361 (any_extend): New code macro.
1362 (u, su): New code attributes.
1363 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1364 (nsau): Remove; replaced by clzsi2.
1365 (ffssi2): Use clzsi2.
1366 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1367 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1368 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1369 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1370 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1372 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1374 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1376 * config/arm/t-strongarm-elf: Likewise.
1377 * config/arm/t-pe: Likewise.
1378 * config/arm/t-arm-elf: Likewise.
1379 * config/arm/t-xscale-elf: Likewise.
1380 * config/arm/t-arm-coff: Likewise.
1381 * config/arm/t-xscale-coff: Likewise.
1382 * config/arm/t-wince-pe: Likewise.
1384 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1386 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1389 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1392 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1395 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1398 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1399 as a valid 80387 constant.
1400 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1401 * config/i386/i386.md (unnamed splitter): Split the load of
1402 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1405 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1407 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1408 from the soft-frame, argument and virtual registers.
1410 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1412 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1413 patterns for standard 80387 constants.
1415 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1416 Steven Bosscher <steven@gcc.gnu.org>
1418 * fwprop.c: New file.
1419 * Makefile.in: Add fwprop.o.
1420 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1421 * passes.c (init_optimization_passes): Schedule forward propagation.
1422 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1424 * timevar.def (TV_FWPROP): New.
1425 * common.opt (-fforward-propagate): New.
1426 * opts.c (decode_options): Enable forward propagation at -O2.
1427 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1428 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1429 canon_for_address, table_size): Remove.
1430 (new_basic_block, insert, remove_from_table): Remove references to
1432 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1433 simplification loop more straightforward by not calling fold_rtx
1435 (equiv_constant): Move here a small part of fold_rtx_subreg,
1436 do not call fold_rtx. Call avoid_constant_pool_reference
1438 * recog.h (canonicalize_change_group): New.
1440 * doc/invoke.texi (Optimization Options): Document fwprop.
1441 * doc/passes.texi (RTL passes): Document fwprop.
1443 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1445 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1446 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1447 (grokdeclarator): Likewise.
1449 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1451 * tree-dump.c (dump_enable_all): Rename local variable
1452 ir_type to avoid name conflicts.
1453 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1454 instead of using ir_type().
1455 * profile.c (tree_register_profile_hooks): Likewise.
1456 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1457 * basic-block.h (struct edge_def): Likewise.
1458 * config/arm/arm.c (legitimize_pic_address): Likewise.
1459 * coretypes.h (ir_type): New enum of all intermediate languages
1461 * cfghooks.c (ir_type): Rename to...
1462 (current_ir_type): ...this. Distinguish between cfgrtl and
1463 cfglayout mode when the current IR is RTL. Return enum ir_type.
1464 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1466 2006-11-03 Paul Brook <paul@codesourcery.com>
1468 * config/arm/arm.c (arm_file_start): New function.
1469 (TARGET_ASM_FILE_START): Define.
1470 (arm_default_cpu): New variable.
1471 (arm_override_options): Set arm_default_cpu.
1473 2006-11-03 David Ung <davidu@mips.com>
1475 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1476 PROCESSOR_24KC and PROCESSOR_24KF.
1477 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1478 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1479 (mips_rtx_cost_data): Add costs for the 24kc.
1480 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1481 * config/mips/24k.md: Remove references to 24k and replace with
1482 uses of 24kc/24kf in the appropriate reservations.
1483 * doc/invoke.texi (MIPS Options): Updated.
1485 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1487 * config/sh/crt1.asm: Fix #ifdef indent.
1489 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1490 Merged from STMicroelectronics sources:
1491 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1492 * config/sh/crt1.asm (vbr_600): Add missing #if.
1493 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1494 * sh.opt (mfused-madd): New option.
1495 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1496 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1497 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1498 Remove pointless handler at VBR+0.
1499 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1500 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1501 fr7. Make sure the timer handler is called with the correct FPU
1502 precision setting, according to the ABI.
1503 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1504 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1505 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1506 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1507 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1508 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1509 zero as second operand.
1510 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1511 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1512 Fixed some bugs related to negative values, in particular -0
1513 and overflow at -0x80000000.
1514 * config/sh/divcost-analysis: Added sh4-300 figures.
1515 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1516 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1517 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1518 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1519 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1520 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1522 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1524 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1525 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1526 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1527 mac_mem, mem_mac, dfp_mul, fp_cmp.
1528 (insn_class, dfp_comp, any_fp_comp): Update.
1529 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1530 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1531 (muldf3_i): Likewise.
1532 (movsi_i): Split rI08 alternative into two separate alternatives.
1534 (movsi_ie, movsi_i_lowpart): Likewise.
1535 (movqi_i): Split ri alternative into two separate alternatives.
1537 * sh1.md (sh1_load_store, sh1_fp): Update.
1538 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1539 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1540 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1541 (sh4a_fp_double_arith): Likewise.
1542 * sh4-300.md: New file.
1543 * sh.c (sh_handle_option): Handle m4-300* options.
1544 (sh_adjust_cost): Fix latency of auto-increments.
1545 Handle SH4-300 differently than other SH4s. Check for new insn types.
1546 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1547 been set by an option.
1548 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1549 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1550 (mbranch-cost=): Likewise.
1551 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1553 * sh.md (mulsf3): Remove special expansion code.
1554 (mulsf3_ie): Now a define_insn_and_split.
1555 (macsf3): Allow for TARGET_SH4.
1557 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1558 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1559 (expand_cbranchdi4): Likewise.
1560 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1561 CONST_DOUBLE if the outer code is COMPARE.
1562 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1563 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1564 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1565 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1566 Remove redundant fp_{zero,one}_operand checks.
1567 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1568 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1569 (expand_cbranchdi4): Likewise.
1570 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1571 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1573 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1575 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1578 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1580 * doc/invoke.texi: Fix mfp-trap-mode typo.
1582 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1584 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1585 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1586 file_end_indicate_exec_stack.
1587 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1589 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1590 for a non-executable stack.
1591 * crti.asm: Likewise.
1592 * crtn.asm: Likewise.
1593 * libunwind.S: Likewise.
1595 2006-11-02 Ben Elliston <bje@au.ibm.com>
1597 * tree-ssa.c (warn_uninit): Use expand_location variables for
1598 locus and declaration locus.
1600 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1603 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1604 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1605 cmp{eq,gt,gtu}{si,di}_media.
1606 (*cmpne0si_media): Remove.
1607 (*movsicc_umin): Adjust gen_cmp*_media call.
1608 (unordered): Change the mode of unordered and operands[1] to
1610 (seq): Adjust gen_cmp*_media calls. Make the mode of
1611 a temporary result of compare SImode if needed. If the mode
1612 of operands[0] is DImode, extend the temporary result to DImode.
1613 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1614 (sunorderd): Change the mode of match_operand and unorderd to
1616 (cmpeq{sf,df}_media): Remove.
1617 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1618 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1619 and compare operation to SImode.
1621 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1623 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1625 (sparc64-sun-solaris2*): Likewise.
1627 2006-11-02 Paul Brook <paul@codesourcery.com>
1629 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1630 from priority argument. Use different section for non-default
1632 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1634 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1637 * except.c (switch_to_exception_section): Do not cache the section
1638 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1639 and flag_function_sections is set.
1641 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1644 * builtins.c (do_mpfr_sincos): New.
1645 (fold_builtin_1): Use it to fold builtin sincos.
1647 2006-11-01 Roger Sayle <roger@eyesopen.com>
1649 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1650 it into -D_REENTRANT.
1652 2006-11-01 Roger Sayle <roger@eyesopen.com>
1654 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1655 whether the assembler supports taking the difference of symbols in
1656 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1657 * configure: Regenerate.
1658 * config.in: Regenerate.
1659 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1660 the assembler doesn't support taking the difference of symbols in
1661 different sections, i.e. we're using the native solaris assembler.
1663 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1664 Peter Bergner <bergner@vnet.ibm.com>
1666 * doc/invoke.texi: Add cpu_type power6x
1667 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1668 * config.gcc: Add cpu_type power6x.
1669 * configure.ac: Add test for mf{t,f}gpr instructions.
1670 (HAVE_AS_MFPGPR): New.
1671 * config.in: Regenerate.
1672 * configure: Regenerate.
1673 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1674 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1675 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1676 and mftgpr attributes.
1677 (define_attr "cpu"): Add power6.
1678 Change instruction sequences to use new attributes.
1679 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1680 (fix_truncdfsi2_mfpgpr): New.
1681 (floatsidf_ppc64_mfpgpr): New.
1682 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1683 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1684 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1685 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1686 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1687 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1688 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1689 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1690 cntlz,exts and var_delayed_compare.
1691 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1692 _ARCH_PWR6X, if features enabled.
1693 * config/rs6000/rs6000.opt (mmfpgpr): New.
1694 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1695 (cached_can_issue_more): New variable.
1696 (processor_costs): Add power6_cost.
1697 (rs6000_sched_init): New function.
1698 (is_dispatch_slot_restricted): Deleted.
1699 (set_to_load_agen): New function.
1700 (is_load_insn,is_store_insn): New functions.
1701 (adjacent_mem_locations): New function.
1702 (insn_must_be_first_in_group): New function.
1703 (insn_must_be_last_in_group): New function.
1704 (rs6000_sched_reorder): New function.
1705 (rs6000_sched_reorder2): New function.
1706 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1707 TARGET_SCHED_REORDER2): Define.
1708 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1709 Add power6x. Add MASK_MFPGPR for power6x.
1710 (POWERPC_MASKS): Add MASK_MFPGPR.
1711 (rs6000_override_options): Set rs6000_always_hint to false
1712 for power6. Set rs6000_align_branch_targets. Replace
1713 rs6000_sched_groups check with rs6000_align_branch_targets.
1714 Use PROCESSOR_POWER6.
1715 (last_scheduled_insn): New variable.
1716 (load_store_pendulum): New variable.
1717 (rs6000_variable_issue): Set last_scheduled_insn and
1718 cached_can_issue_more.
1719 (rs6000_adjust_cost): Add power6 cost adjustments.
1720 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1721 with insn_must_be_first_in_group. Add power6 priority adjustments.
1722 (rs6000_issue_rate): Add CPU_POWER6.
1723 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1724 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1725 (TARGET_MFPGPR): New.
1726 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1727 (ASM_CPU_SPEC): Add power6x.
1728 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1730 * config/rs6000/power6.md: New file.
1732 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1734 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1735 HOST_WIDE_INT_PRINT to print high and low parts. Use
1736 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1737 printing a hexadecimal number prefix it with 0x.
1739 2006-11-01 Chris Johns <chris@contemporary.net.au>
1742 * Makefile.in (install-driver): Use exeext when installing
1743 $target-gcc-$version.
1745 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1747 * c-common.c (flag_cpp0x): New.
1748 * c-common.h (flag_cpp0x): New.
1749 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1750 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1751 * c-opts.c (set_std_cxx0x): New.
1752 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1753 * c.opt (std=c++0x): Document.
1754 (std=gnu++0x): Ditto.
1755 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1756 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1758 2006-11-01 Richard Guenther <rguenther@suse.de>
1760 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1762 (ix86_expand_floorceildf_32): Likewise.
1763 (ix86_expand_floorceil): Likewise.
1764 (ix86_expand_trunc): Likewise.
1766 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1768 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1771 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1773 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1775 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1777 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1779 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1780 * configure.ac (use_cxa_atexit): As a special case, don't test
1781 for libc definition of __cxa_atexit on mingw32
1782 * configure: Regenerate.
1783 * config.gcc (i[34567]86-pc-mingw32): Default to
1784 enable__cxa_atexit=yes.
1786 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1788 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1790 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1793 * c-decl.c (start_struct): Don't create self-containing
1795 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1797 * config/rs6000/rs6000-protos.h
1798 (darwin_rs6000_special_round_type_align): New.
1799 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1800 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1802 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1804 * toplev.c (compile_file): Call final_write_globals
1805 even if there have been errors.
1807 2006-10-31 Eric Christopher <echristo@apple.com>
1808 Falk Hueffner <falk@debian.org>
1810 * doc/extend.texi (__builtin_bswap32): Document.
1811 (__builtin_bswap64): Ditto.
1812 * doc/libgcc.texi (bswapsi2): Document.
1814 * doc/rtl.texi (bswap): Document.
1815 * optabs.c (expand_unop): Don't widen a bswap.
1816 (init_optabs): Init bswap. Set libfuncs explicitly
1817 for bswapsi2 and bswapdi2.
1818 * optabs.h (OTI_bswap): New.
1819 (bswap_optab): Ditto.
1820 * genopinit.c (optabs): Handle bswap_optab.
1821 * tree.h (tree_index): Add TI_UINT32_TYPE and
1823 (uint32_type_node): New.
1824 (uint64_type_node): Ditto.
1825 * tree.c (build_common_tree_nodes_2): Initialize
1826 uint32_type_node and uint64_type_node.
1827 * builtins.c (expand_builtin_bswap): New.
1828 (expand_builtin): Call.
1829 (fold_builtin_bswap): New.
1830 (fold_builtin_1): Call.
1831 * fold-const.c (tree_expr_nonnegative_p): Return true
1833 * builtin-types.def (BT_UINT32): New.
1835 (BT_FN_UINT32_UINT32): Ditto.
1836 (BT_FN_UINT64_UINT64): Ditto.
1837 * builtins.def (BUILT_IN_BSWAP32): New.
1838 (BUILT_IN_BSWAP64): Ditto.
1839 * rtl.def (BSWAP): New.
1840 * genattrtab.c (check_attr_value): New.
1841 * libgcc2.c (__bswapSI2): New.
1842 (__bswapDI2): Ditto.
1843 * libgcc2.h (__bswapSI2): Declare.
1844 (__bswapDI2): Ditto.
1845 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1846 * simplify-rtx.c (simplify_const_unary_operation): Return
1848 * libgcc-std.ver (__bwapsi2): Add.
1849 (__bswapdi2): Ditto.
1850 * reload1.c (eliminate_regs_1): Add bswap.
1851 (elimination_effects): Ditto.
1852 * config/i386/i386.h (x86_bswap): New.
1853 (TARGET_BSWAP): Use.
1854 * config/i386/i386.c (x86_bswap): Set.
1856 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1858 * coverage.c (coverage_checksum_string): Update comment.
1859 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1860 of get_file_function_name.
1861 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1862 of get_file_function_name_long.
1863 * tree.c (get_file_function_name): Rename from
1864 get_file_function_name_long; improve comment; handle 'I' and 'D'
1865 specially when the target has ctor/dtor support; remove special
1867 (get_file_function_name): Remove.
1868 * tree.h (get_file_function_name): Rename from
1869 get_file_function_name_long.
1870 (get_file_function_name): Remove prototype.
1872 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1874 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1875 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1877 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1878 Call dsymutil when compiling and linking one or more source files
1881 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1884 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1886 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1888 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1889 inline static functions in c99 mode.
1892 * doc/extend.texi (Inline): Update.
1893 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1894 * c-decl.c (current_extern_inline): Delete.
1895 (pop_scope): Adjust test for an undefined nested function.
1896 Add warning about undeclared inline function.
1897 (diagnose_mismatched_decls): Update comments. Disallow overriding
1898 of inline functions in a translation unit in C99. Allow inline
1899 declarations in C99 at any time.
1900 (merge_decls): Boolize variables. Handle C99 'extern inline'
1902 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1903 C99 inline semantics.
1904 (start_function): Don't clear current_extern_inline. Don't set
1906 (c_push_function_context): Don't push current_extern_inline.
1907 (c_pop_function_context): Don't restore current_extern_inline.
1910 * c-typeck.c (build_external_ref): Warn about static variables
1911 used in extern inline functions.
1912 * c-decl.c (start_decl): Warn about static variables declared
1913 in extern inline functions.
1915 2006-10-31 Roger Sayle <roger@eyesopen.com>
1918 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1919 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1920 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1921 or y is an even integer.
1923 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1926 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1927 * gthr-posix95.h (__gthread_active_p): Likewise.
1929 2006-10-31 Richard Guenther <rguenther@suse.de>
1931 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1932 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1933 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1934 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1935 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1936 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1937 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1938 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1941 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1943 * opts.c (decode_options): Disable CSE skip blocks.
1945 2006-10-30 Dirk Mueller <dmueller@suse.de>
1947 * c-common.h (strict_aliasing_warning): Fix whitespace.
1948 * c-decl (start_function): Move code for main decl warning ..
1949 * c-common.c (check_main_parameter_types): .. here.
1950 * c-common.h (check_main_parameter_types): Declare.
1952 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1955 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1957 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1959 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1960 be a PARALLEL containing sets. Return false when out_pat is not
1963 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1965 * config/mips/mips.md (mul<mode>3): Split into...
1966 (mulsi3, muldi3): ...these separate patterns.
1968 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1970 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1971 but with each set of options separated by spaces.
1973 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1975 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1976 dwarf_reg_size_table has been initialized.
1978 2006-10-30 Roger Sayle <roger@eyesopen.com>
1980 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1981 * ddg.c (print_ddg_edge): Likewise.
1982 * dwarf2out.c (prune_unused_types_walk): Likewise.
1983 * ifcvt.c (noce_try_cmove_arith): Likewise.
1984 * langhooks.c (add_builtin_function): Likewise.
1985 * reg-stack.c (subst_stack_regs_pat): Likewise.
1986 * tree.c (expanded_location): Likewise.
1987 * tree-dump.c (dequeue_and_dump): Likewise.
1989 2006-10-30 David Daney <ddaney@avtrex.com>
1991 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1993 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1995 PR tree-optimization/29637
1996 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1997 of the innertype is the innertype itself.
1999 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2001 * dwarf2out.c (file_name_acquire): Correct typo.
2003 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2005 * tree.h (tree_value_handle): Remove struct value_set declaration.
2006 Change value_set to bitmap_set.
2007 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2008 * tree-vn.c (get_value_handle): Made inline and moved to
2010 * tree-flow-inline.h: (has_stmt_ann): New function.
2011 * tree-ssa-pre.c (expressions): New variable.
2012 (next_expression_id): Ditto.
2013 (alloc_expression_id): New function.
2014 (struct value_set): Remove.
2015 (get_expression_id): New function.
2016 (get_or_alloc_expression_id): Ditto.
2017 (expression_for_id): Ditto.
2018 (clear_expression_ids): Ditto.
2019 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2020 (bb_value_sets): Renamed to bb_bitmap_sets.
2021 All value sets replaced with bitmap_sets.
2023 (BB_VISITED): New macro.
2024 (postorder): New variable.
2025 (add_to_value): Removed.
2026 (value_exists_in_set_bitmap): Ditto.
2027 (value_insert_into_set_bitmap): Ditto.
2030 (set_remove): Ditto.
2031 (set_contains_value): Ditto.
2032 (insert_into_set): Ditto.
2034 (find_leader): Ditto.
2035 (bitmap_set_subtract_from_value_set): Ditto.
2036 (value_insert_into_set): Ditto.
2037 (print_value_set): Ditto.
2038 (debug_value_set): Ditto.
2039 (constant_expr_p): New function.
2040 (bitmap_remove_from_set): Ditto.
2041 (bitmap_insert_into_set): Ditto.
2042 (bitmap_set_free): Ditto.
2043 (vh_compare): Ditto.
2044 (sorted_array_from_bitmap_set): Ditto.
2045 (bitmap_set_subtract): Ditto.
2046 (bitmap_set_equal): Ditto.
2047 (debug_bitmap_set): Ditto.
2048 (find_leader_in_sets): Ditto.
2049 (bitmap_set_replace_value): Modify for bitmapped sets.
2050 (phi_translate): Ditto.
2051 (phi_translate_set): Ditto.
2052 (bitmap_find_leader): Ditto.
2053 (valid_in_sets): Ditto.
2054 (union_contains_value): Ditto.
2056 (compute_antic_aux): Ditto. Mark changed blocks.
2057 (compute_antic): Ditto. Iterate in postorder and only over
2059 (compute_rvuse_and_antic_safe): Reuse postorder.
2060 (create_component_ref_by_pieces): Modify for bitmapped sets.
2061 (find_or_generate_expression): Ditto.
2062 (create_expression_by_pieces): Ditto.
2063 (insert_into_preds_of_block): Ditto.
2064 (changed_blocks): New variable.
2065 (do_regular_insertion): Broken out from insert_aux.
2066 (insert_aux): Modified for bitmapped sets.
2067 (find_existing_value_expr): New function.
2068 (create_value_expr_from): Use it.
2069 (insert_extra_phis): Removed.
2070 (print_bitmap_set): Renamed from bitmap_print_value_set.
2071 (compute_avail): Handle RETURN_EXPR.
2072 (init_pre): Modify for bitmapped sets.
2073 * tree-flow.h (has_stmt_ann): New function.
2075 2006-10-29 Roger Sayle <roger@eyesopen.com>
2077 * builtins.c (fold_builtin_floor): Check for the availability of
2078 the C99 trunc function before transforming floor into trunc.
2080 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2082 * builtins.c (fold_builtin_hypot): Rearrange recursive
2083 transformation before others, and also do ABS_EXPR. When
2084 necessary, check flag_unsafe_math_optimizations. When necessary,
2087 2006-10-29 Roger Sayle <roger@eyesopen.com>
2089 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2090 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2091 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2092 Fold -X eq/ne -Y as X eq/ne Y.
2094 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2096 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2097 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2098 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2099 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2100 Use an inclusive test for "mult" rather than "mul".
2101 (rotr<mode>3): Depend on ISA_HAS_ROR.
2102 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2104 (GENERATE_MULT3_DI): Delete.
2105 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2106 (ISA_HAS_MUL3): New macro.
2107 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2108 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2109 (ISA_HAS_CLZ_CLO): Likewise.
2110 (ISA_HAS_DCLZ_DCLO): Delete.
2111 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2112 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2113 the VR4120 and VR4130.
2114 (ISA_HAS_MACCHI): Use consistent formatting.
2115 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2116 (ISA_HAS_ROR): ...this new macro.
2117 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2118 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2119 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2121 2006-10-29 Roger Sayle <roger@eyesopen.com>
2123 PR tree-optimization/15458
2124 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2127 2006-10-29 Richard Guenther <rguenther@suse.de>
2129 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2130 (ix86_expand_truncdf_32): Likewise.
2131 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2132 trunc inline for SSE math and -fno-trapping-math and if not
2133 optimizing for size.
2134 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2135 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2136 for expanding btrunc inline for SSE math.
2138 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2140 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2141 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2142 i[34567]86-*-solaris2.1[0-9]*.
2143 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2144 Define conditionally depending on TARGET_64BIT_DEFAULT.
2145 (SPEC_32, SPEC_64): Define.
2146 (LINK_SPEC): Use them.
2147 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2149 2006-10-29 Richard Guenther <rguenther@suse.de>
2151 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2152 (ix86_expand_rounddf_32): Likewise.
2153 * config/i386/i386.c (ix86_expand_round): New function expanding
2154 round inline for SSE math and -fno-trapping-math and if not
2155 optimizing for size.
2156 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2157 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2158 round via ix86_expand_round.
2160 2006-10-29 Richard Guenther <rguenther@suse.de>
2162 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2163 (ix86_expand_floorceildf_32): Likewise.
2164 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2165 static helper function.
2166 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2168 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2169 * config/i386/i386.md (floordf2): Adjust to enable floor
2170 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2171 -fno-trapping-math is enabled and if not optimizing for size.
2172 (floorsf2, ceildf2, ceilsf2): Likewise.
2173 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2174 (sse2_maskcmpdf3): Likewise.
2176 2006-10-29 Richard Guenther <rguenther@suse.de>
2178 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2179 rint in case -fno-trapping-math is enabled.
2180 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2181 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2182 (ix86_expand_sse_fabs): Likewise.
2183 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2184 * config/i386/i386.md (rintdf2): Enable for SSE math if
2185 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2186 (rintsf2): Likewise.
2188 2006-10-29 Richard Guenther <rguenther@suse.de>
2190 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2191 to conversion optabs.
2192 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2193 as conversion optab.
2194 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2195 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2196 (lfloor_optab, lceil_optab): Adjust defines.
2197 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2198 lfloor and lceil optabs now being conversion optabs.
2199 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2200 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2201 New static helper function.
2202 (ix86_expand_lfloorceil): New function to expand lfloor and
2204 * config/i386/i386.md (lfloor<mode>2): Split into ...
2205 (lfloorxf<mode>2): ... x87 variant
2206 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2207 using ix86_expand_lfloorceil.
2208 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2210 * doc/md.texi (lfloorMN, lceilMN): Document.
2212 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2214 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2215 -mno-shared assembler option on mips targets.
2216 * configure, config.in: Regenerate.
2217 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2218 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2219 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2221 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2223 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2224 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2226 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2228 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2229 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2232 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2235 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2236 (fold_builtin_pow): Evaluate constant arguments at compile-time
2238 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2239 (do_mpfr_ckconv): New helper function.
2240 (do_mpfr_arg1): Use do_mpfr_ckconv.
2241 (do_mpfr_arg2): New.
2243 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2246 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2247 (-fdump-rtl-sched): Rename to ..
2248 (-fdump-rtl-sched1): here. Also fix file extension number.
2250 2006-10-28 Richard Guenther <rguenther@suse.de>
2252 * fold-const.c (maybe_canonicalize_comparison): Fix code
2255 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2257 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2258 (NON_QI_REG_P): Use IN_RANGE.
2259 (REX_INT_REGNO_P): Use IN_RANGE.
2260 (FP_REGNO_P): Use IN_RANGE.
2261 (SSE_REGNO_P): Use IN_RANGE.
2262 (REX_SSE_REGNO_P): Use IN_RANGE.
2263 (MMX_REGNO_P): Use IN_RANGE.
2264 (STACK_REGNO_P): New macro.
2265 (STACK_REG_P): Use STACK_REGNO_P.
2266 (NON_STACK_REG_P): Use STACK_REGNO_P.
2267 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2268 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2269 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2270 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2271 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2273 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2275 * except.h (output_function_exception_table): Add 'const char*' param.
2276 * except.c (switch_to_exception_section): Add 'const char*' param.
2277 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2278 and flag_function_sections is set, use a function-specific section.
2279 (output_function_exception_table): Add 'const char*' param.
2280 Adjust call to switch_to_exception_section.
2281 * final.c (rest_of_handle_final): Adjust calls to
2282 output_function_exception_table.
2283 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2284 * config.in: Regenerate.
2285 * configure: Likewise.
2287 2006-10-28 Richard Guenther <rguenther@suse.de>
2290 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2291 for maybe_canonicalize_comparison.
2292 (maybe_canonicalize_comparison): New function for canonicalizing
2294 (fold_comparison): Call it to canonicalize comparisons with
2297 2006-10-28 Richard Guenther <rguenther@suse.de>
2300 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2301 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2302 (expand_builtin): Adjust likewise.
2303 * genopinit.c (optabs[]): Add lround optab.
2304 * optabs.c (init_optabs): Initialize lround_optab.
2305 * optabs.h (enum convert_optab_index): Add COI_lround.
2306 (lround_optab): Define.
2307 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2308 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2310 (ix86_expand_lround): New function.
2311 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2313 * doc/md.texi (lroundMN2): Document.
2315 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2318 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2319 argument to HOST_WIDE_INT. Update function prototype.
2320 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2321 "size" argument to HOST_WIDE_INT. Update function prototype.
2323 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2325 * config/i386/i386.c (output_387_ffreep): Create output from a
2326 template string for !HAVE_AS_IX86_FFREEP.
2328 2006-10-27 Eric Christopher <echristo@apple.com>
2330 * config/darwin.c: Fix formatting and grammar.
2332 2006-10-27 Jan Hubicka <jh@suse.cz>
2334 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2335 to be thrown away soon when IGNORE is set.
2336 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2337 indicating when return value shall not be computed.
2338 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2340 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2342 * config/i386/i386.h (TARGET_GEODE):
2343 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2344 (TARGET_CPU_DEFAULT_geode): New macro.
2345 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2346 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2347 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2348 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2349 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2351 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2352 (processor_type): Add PROCESSOR_GEODE.
2354 * config/i386/i386.md: Include geode.md.
2357 * config/i386/i386.c (geode_cost): New initialized global
2359 (m_GEODE, m_K6_GEODE): New macros.
2360 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2361 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2362 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2363 x86_schedule): Use m_K6_GEODE instead of m_K6.
2364 (x86_movx, x86_cmove): Set up m_GEODE.
2365 (x86_integer_DFmode_moves): Clear m_GEODE.
2366 (processor_target_table): Add entry for geode.
2367 (processor_alias_table): Ditto.
2369 * config/i386/geode.md: New file.
2371 * doc/invoke.texi: Add entry about geode processor.
2373 2006-10-27 Mike Stump <mrs@apple.com>
2375 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2376 __DYNAMIC__ from here back to ...
2377 * config/darwin.h (CPP_SPEC): ... here.
2379 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2380 Nathan Sidwell <nathan@codesourcery.com>
2382 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2383 when choosing the minimum heapsize.
2385 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2387 * gcc/unwind-dw2.h: Move cfa-related variables into
2388 struct frame_state_reg_info to ensure that the CFA is properly
2389 handled when executing DW_CFA_{remember,restore}_state.
2390 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2391 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2392 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2393 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2394 gcc/config/rs6000/linux-unwind.h,
2395 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2396 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2397 Modify to use new cfa_* fields.
2399 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2401 * config/s390/s390.c (s390_init_frame_layout): Check positive
2404 2006-10-26 Ben Elliston <bje@au.ibm.com>
2406 * gimplify.c (get_name): Remove extraneous break.
2407 (gimplify_omp_for): Initialise ret with GS_OK.
2409 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2411 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2412 Add unix98.o to link line.
2414 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2417 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2418 Calculate compile-time constants using MPFR.
2419 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2420 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2422 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2424 * config/xtensa/lib2funcs.S: Use C-style comments.
2426 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2428 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2429 (file_table_relative_p): Likewise.
2430 (dwarf2out_finish): Likewise.
2431 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2433 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2435 * tree-ssa-structalias.c (intra_create_variable_infos):
2436 Don't recreate nonlocal_all if it already exists.
2438 2006-10-25 Richard Guenther <rguenther@suse.de>
2441 * optabs.h (enum optab_index): Remove OTI_lrint.
2442 (enum convert_optab_index): Add COI_lrint.
2443 (lrint_optab): Adjust.
2444 (expand_sfix_optab): Declare.
2445 * optabs.c (expand_sfix_optab): New function.
2446 (init_optabs): Init lrint_optab as conversion optab.
2447 * genopinit.c (lrint_optab): Change to a conversion optab.
2448 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2449 expansion via conversion optab.
2450 * config/i386/i386.md (*fistdi2_1): Remove
2451 flag_unsafe_math_optimizations guard.
2452 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2453 fist<mode>2_with_temp): Likewise.
2454 (lrint<mode>2): Split into...
2455 (lrintxf<mode>2): ... x87 part
2456 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2457 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2458 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2459 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2460 * doc/md.texi (lrintMN2): Document.
2462 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2465 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2466 Use inc and dec instructions for TARGET_USE_INCDEC.
2467 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2468 ("sync_double_compare_and_swap<mode>"): Likewise.
2469 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2470 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2471 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2472 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2473 ("sync_old_add<mode>"): Likewise.
2474 ("sync_lock_test_and_set<mode>"): Likewise.
2475 ("sync_lock_test_and_set<mode>"): Likewise.
2476 ("sync_add<mode>"): Likewise.
2477 ("sync_sub<mode>"): Likewise.
2478 ("sync_ior<mode>"): Likewise.
2479 ("sync_and<mode>"): Likewise.
2480 ("sync_xor<mode>"): Likewise.
2482 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2484 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2485 (remainder_optab): Define corresponding macro.
2486 (drem_optab): Remove.
2487 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2488 drem_optab initialization.
2489 * genopinit.c (optabs): Implement remainder_optab using
2490 remainder?f3 patterns. Remove drem_optab.
2491 * builtins.c (expand_builtin_mathfn_2): Handle
2492 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2493 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2494 expand_builtin_mathfn_2.
2496 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2497 depend on flag_unsafe_math_optimizations.
2499 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2500 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2501 Do not depend on flag_unsafe_math_optimizations. Use
2502 truncxf?f expander instead of truncxf?f_i387_noop.
2504 ("fpremxf4", "fprem1xf4"): Do not depend on
2505 flag_unsafe_math_optimizations.
2506 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2507 flag_unsafe_math_optimizations. Use truncxf?f expander
2508 instead of truncxf?f_i387_noop.
2510 * doc/md.texi (fmod, remainder): Document standard named pattern.
2512 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2513 David Daney <ddaney@avtrex.com>
2516 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2518 2006-10-25 Ben Elliston <bje@au.ibm.com>
2520 * doc/extend.texi (Variable Attributes): Typo fix.
2522 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2524 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2525 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2526 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2527 (FRAME_POINTER_REGNUM): Update register number to 21.
2528 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2529 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2531 * config/i386/i386.c (regclass_map): Add fpcr entry.
2532 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2534 (print_reg): Assert REGNO (x) != FPCR_REG.
2536 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2537 (DIRFLAG_REG): Renumber.
2538 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2539 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2540 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2541 hardcoded SSE register numbers.
2543 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2544 hardcoded MMX register numbers.
2546 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2549 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2550 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2552 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2553 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2554 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2555 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2557 2006-10-24 Richard Guenther <rguenther@suse.de>
2560 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2561 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2562 for deciding optimizations in consistency with fold-const.c
2563 (fold_builtin_unordered_cmp): Likewise.
2565 2006-10-24 Richard Guenther <rguenther@suse.de>
2567 * builtins.c (fold_builtin_floor): Fold floor (x) where
2568 x is nonnegative to trunc (x).
2569 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2570 nonnegative to FIX_TRUNC_EXPR.
2572 2006-10-24 Richard Guenther <rguenther@suse.de>
2574 PR tree-optimization/29567
2575 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2576 for TRUTH_NOT_EXPR. Clarify comments.
2578 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2581 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2582 at compile-time using MPFR. Change parameter VALUE to FUNC,
2584 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2585 for overflow and underflow at all times and avoid folding in
2588 2006-10-24 Ben Elliston <bje@au.ibm.com>
2590 * reload1.c: Formatting fixes.
2592 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2594 PR tree-optimization/14784
2595 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2596 * tree-ssa-structalias.c (get_constraint_for,
2597 intra_create_variable_infos): Set is_heapvar.
2598 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2599 non-heapvar pointer variables specially.
2601 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2604 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2605 fold_builtin_tan): Fold all constant arguments. Take a "type"
2606 argument as necessary.
2607 (do_mpfr_arg1): New.
2608 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2610 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2612 * config/xtensa/lib1funcs.asm: Use C-style comments.
2614 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2616 * tree.c (local_define_builtin): Replace calls to
2617 lang_hooks.builtin_function with add_builtin_function.
2618 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2620 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2622 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2623 common code to add_builtin_function.
2624 * langhooks.c (add_builtin_function): New function.
2625 (lhd_builtin_function): New function.
2626 * langhooks.h (struct lang_hooks): Change the signature of
2628 (add_builtin_function): New function.
2629 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2630 calls to lang_hooks.builtin_function with add_builtin_function.
2631 * c-common.c (decl_builtin_1): Replace calls to
2632 lang_hooks.builtin_function with add_builtin_function.
2633 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2634 lang_hooks.builtin_function with add_builtin_function.
2635 * config/frv/frv.c (def_builtin): Replace calls to
2636 lang_hooks.builtin_function with add_builtin_function.
2637 * config/s390/s390.c (s390_init_builtins): Replace calls to
2638 lang_hooks.builtin_function with add_builtin_function.
2639 * config/sparc/sparc.c (def_builtin): Replace calls to
2640 lang_hooks.builtin_function with add_builtin_function.
2641 * config/i386/i386.c (def_builtin): Replace calls to
2642 lang_hooks.builtin_function with add_builtin_function.
2643 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2644 lang_hooks.builtin_function with add_builtin_function.
2645 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2646 lang_hooks.builtin_function with add_builtin_function.
2647 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2648 Replace calls to lang_hooks.builtin_function with
2649 add_builtin_function.
2650 * config/iq2000/iq2000.c (def_builtin):
2651 Replace calls to lang_hooks.builtin_function with
2652 add_builtin_function.
2653 * config/ia64/ia64.c (def_builtin): Replace calls to
2654 lang_hooks.builtin_function with add_builtin_function.
2655 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2656 lang_hooks.builtin_function with add_builtin_function.
2657 (altivec_init_builtins): Replace calls to
2658 lang_hooks.builtin_function with add_builtin_function.
2659 * config/arm/arm.c (def_mbuiltin): Replace calls to
2660 lang_hooks.builtin_function with add_builtin_function.
2661 (arm_init_tls_builtins): Replace calls to
2662 lang_hooks.builtin_function with add_builtin_function.
2663 * config/mips/mips.c (mips_init_builtins): Replace calls to
2664 lang_hooks.builtin_function with add_builtin_function.
2665 * config/bfin/bfin.c (def_builtin): Replace calls to
2666 lang_hooks.builtin_function with add_builtin_function.
2667 * langhooks-def.h (lhd_builtin_function): New function.
2668 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2670 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2672 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2673 BUILT_IN_STRNCAT_CHK.
2675 2006-10-23 Jan Hubicka <jh@suse.cz>
2677 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2678 don't do conversion from memmove to memcpy here.
2679 (expand_builtin_bcopy, expand_builtin): Update call of
2680 expand_builtin_memmove.
2681 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2683 2006-10-23 Paul Brook <paul@codesourcery.com>
2685 * stor-layout.c (start_record_layout): maximum_field_alignment
2686 overrides STRUCTURE_SIZE_BOUNDARY.
2688 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2690 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2691 nonlocal function symbols if flag_pic.
2693 2006-10-23 Richard Guenther <rguenther@suse.de>
2697 * builtins.c (fold_binary): Remove checks for flag_wrapv
2698 and flag_trapv where negate_expr_p covers these cases.
2700 2006-10-23 Richard Guenther <rguenther@suse.de>
2703 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2704 of two on the absolute value.
2705 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2706 and negating -C does not overflow.
2708 2006-10-23 Richard Guenther <rguenther@suse.de>
2711 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2712 only if not flag_rounding_math.
2714 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2715 Kaz Kojima <kkojima@gcc.gnu.org>
2718 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2719 SImode memory reference for the source of a movua.
2720 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2721 (movua): Use an unspec instead of sign_extract. Expect the source
2722 to have mode BLKmode.
2723 (extv, insv): Use a BLKmode rather than SImode memory reference
2724 for the source of a movua.
2726 2006-10-22 Jeff Law <law@redhat.com>
2727 Richard Guenther <rguenther@suse.de>
2729 PR tree-optimization/15911
2730 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2731 (register_edge_assert_for_1): Likewise.
2732 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2733 (find_conditional_asserts): Adjust for new function signature.
2734 (find_assert_locations): Likewise.
2736 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2738 * config/i386/tmmintrin.h: Remove the duplicated content.
2740 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2742 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2743 (x86_64-*-*): Likewise.
2745 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2746 (override_options): Check SSSE3.
2747 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2748 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2749 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2750 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2751 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2752 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2753 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2754 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2755 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2756 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2757 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2758 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2759 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2760 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2761 IX86_BUILTIN_PABSD128.
2762 (bdesc_2arg): Add SSSE3.
2763 (bdesc_1arg): Likewise.
2764 (ix86_init_mmx_sse_builtins): Support SSSE3.
2765 (ix86_expand_builtin): Likewise.
2766 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2768 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2769 (UNSPEC_PSIGN): Likewise.
2770 (UNSPEC_PALIGNR): Likewise.
2771 Include mmx.md before sse.md.
2773 * config/i386/i386.opt: Add -mssse3.
2775 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2776 (ssse3_phaddwv4hi3): Likewise.
2777 (ssse3_phadddv4si3): Likewise.
2778 (ssse3_phadddv2si3): Likewise.
2779 (ssse3_phaddswv8hi3): Likewise.
2780 (ssse3_phaddswv4hi3): Likewise.
2781 (ssse3_phsubwv8hi3): Likewise.
2782 (ssse3_phsubwv4hi3): Likewise.
2783 (ssse3_phsubdv4si3): Likewise.
2784 (ssse3_phsubdv2si3): Likewise.
2785 (ssse3_phsubswv8hi3): Likewise.
2786 (ssse3_phsubswv4hi3): Likewise.
2787 (ssse3_pmaddubswv8hi3): Likewise.
2788 (ssse3_pmaddubswv4hi3): Likewise.
2789 (ssse3_pmulhrswv8hi3): Likewise.
2790 (ssse3_pmulhrswv4hi3): Likewise.
2791 (ssse3_pshufbv16qi3): Likewise.
2792 (ssse3_pshufbv8qi3): Likewise.
2793 (ssse3_psign<mode>3): Likewise.
2794 (ssse3_psign<mode>3): Likewise.
2795 (ssse3_palignrti): Likewise.
2796 (ssse3_palignrdi): Likewise.
2797 (abs<mode>2): Likewise.
2798 (abs<mode>2): Likewise.
2800 * config/i386/tmmintrin.h: New file.
2802 * doc/extend.texi: Document SSSE3 built-in functions.
2804 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2806 2006-10-22 Ira Rosen <irar@il.ibm.com>
2808 * tree-vect-transform.c (vectorizable_load): Use the type of the
2809 return value of the mask_for_load builtin to create realign_load
2812 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2814 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2817 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2819 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2820 (UNSPEC_LDDQU): This.
2821 * config/i386/sse.md (sse3_lddqu): Updated.
2823 2006-10-21 Richard Guenther <rguenther@suse.de>
2825 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2826 (expand_builtin): Use it to expand lrint instead of
2827 expand_builtin_mathfn.
2829 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2832 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2833 flag_unsafe_math_optimizations is set.
2835 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2838 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2839 patterns to use memory input operand in x87->mem->XMM
2840 reload sequences. Skip transformation for TARGET_K8.
2842 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2844 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2845 force operand1 to register if both operands are memory operands.
2846 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2847 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2848 if both operands are memory operands.
2849 (truncdfsf2): Do not force operand1 to register if both operands
2850 are memory operands.
2852 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2854 * Makefile.in (LIBS): Add $(GMPLIBS).
2855 * doc/install.texi: Update GMP and MPFR requirements.
2856 * doc/sourcebuild.texi (need_gmp): Delete.
2858 2006-10-21 Richard Guenther <rguenther@suse.de>
2860 PR tree-optimization/3511
2861 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2862 got new invariant arguments during PHI translation.
2864 2006-10-21 Richard Guenther <rguenther@suse.de>
2867 * fold-const.c (fold_comparison): Fold signed comparisons
2868 of the form X +- C1 CMP Y +- C2.
2870 2006-10-21 Richard Guenther <rguenther@suse.de>
2873 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2874 if flag_unsafe_math_optimizations is specified. We have
2875 flag_finite_math_only for that.
2876 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2877 or flag_unsafe_math_optimizations.
2879 2006-10-21 Richard Guenther <rguenther@suse.de>
2881 * builtins.c (fold_builtin_classify): Fix typo.
2883 2006-10-21 Richard Guenther <rguenther@suse.de>
2886 * simplify-rtx.c (simplify_const_relational_operation):
2887 Do not constant-fold ORDERED and UNORDERED for
2888 flag_unsafe_math_optimizations but only we do not need to
2889 honor NaNs for the given mode.
2891 2006-10-21 Richard Guenther <rguenther@suse.de>
2894 * config/i386/i386.c (classify_argument): Remove redundant
2895 walking of the BINFOs.
2896 (contains_128bit_aligned_vector_p): Likewise.
2898 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2900 * BASE-VER: Set to 4.3.0.
2902 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2904 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2905 (tree_decl_with_vis): Remove artificial_pta_var flag.
2906 * tree-flow.h (referenced_var_check_and_insert): Expose.
2907 (nonlocal_all): New prototype.
2908 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2909 (nonlocal_all): Make global.
2910 (nonlocal_lookup): Remove.
2911 (nonlocal_insert): Ditto.
2912 (create_nonlocal_var): Do not call nonlocal_insert.
2913 (get_nonlocal_id_for_type): Remove.
2914 (find_global_initializers): Mark new vars we find for renaming.
2915 (intra_create_variable_infos): Only create one nonlocal.
2916 (expand_nonlocal_solutions): Remove.
2917 (compute_points_to_sets): Don't call it.
2918 (ipa_pta_execute): Ditto.
2919 (init_alias_heapvars): Don't create nonlocal_for_type.
2920 (delete_alias_heapvars): Don't remove it.
2921 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2924 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2926 * doc/install.texi (Downloading GCC): Clarify mention of
2927 Fortran in the "full distribution" description.
2929 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2931 Fix PR tree-optimization/28778
2932 Fix PR tree-optimization/29156
2933 Fix PR tree-optimization/29415
2934 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2935 (tree_decl_with_vis): Add artificial_pta_var flag.
2936 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2937 pushed into callers.
2938 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2939 (nonlocal_all): Ditto.
2940 (struct variable_info): Add directly_dereferenced member.
2941 (var_escaped_vars): New variable.
2942 (escaped_vars_tree): Ditto.
2943 (escaped_vars_id): Ditto.
2944 (nonlocal_vars_id): Ditto.
2945 (new_var_info): Set directly_dereferenced.
2946 (graph_size): New variable
2947 (build_constraint_graph): Use graph_size.
2948 (solve_graph): Don't process constraints that cannot change the
2949 solution, don't try to propagate an empty solution to our
2951 (process_constraint): Set directly_dereferenced.
2952 (could_have_pointers): New function.
2953 (get_constraint_for_component_ref): Don't process STRING_CST.
2954 (nonlocal_lookup): New function.
2955 (nonlocal_insert): Ditto.
2956 (create_nonlocal_var): Ditto.
2957 (get_nonlocal_id_for_type): Ditto.
2958 (get_constraint_for): Allow results vector to be empty in the case
2959 of string constants.
2960 Handle results of calls properly.
2961 (update_alias_info): Update alias info stats on number and type of
2963 (find_func_aliases): Use could_have_pointers.
2964 (make_constraint_from_escaped): Renamed from
2965 make_constraint_to_anything, and changed to make constraints from
2967 (make_constraint_to_escaped): New function.
2968 (find_global_initializers): Ditto.
2969 (create_variable_info_for): Make constraint from escaped to any
2970 global variable, and from any global variable to the set of
2972 (intra_create_variable_infos): Deal with escaped instead of
2973 pointing to anything.
2974 (set_uids_in_ptset): Do type pruning on directly dereferenced
2976 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2977 (init_base_vars): Fix comment, and initialize escaped_vars.
2978 (need_to_solve): Removed.
2979 (find_escape_constraints): New function.
2980 (expand_nonlocal_solutions): Ditto.
2981 (compute_points_to_sets): Call find_escape_constraints and
2982 expand_nonlocal_solutions.
2983 (delete_points_to_sets): Don't fall off the end of the graph.
2984 (init_alias_heapvars): Initialize nonlocal_for_type and
2986 (delete_alias_heapvars): Free nonlocal_for_type and null out
2989 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2991 * fold-const.c (add_double): Rename to add_double_with_sign.
2992 Add 'unsigned_p' parameter and take it into account for the overflow.
2993 (mul_double): Rename to mul_double_with_sign.
2994 Add 'unsigned_p' parameter and take it into account for the overflow.
2995 (fold_div_compare): Call add_double_with_sign instead of add_double
2996 and mul_double_with_sign instead of mul_double, passing them the
2997 unsignedness of the type.
2998 * tree.h (add_double): Macroize.
2999 (add_double_with_sign): New prototype.
3000 (mul_double): Macroize.
3001 (mul_double_with_sign): New prototype.
3003 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3005 * config/score/crti.asm: New file.
3006 * config/score/crtn.asm: New file.
3007 * config/score/elf.h: New file.
3008 * config/score/mac.md: New file.
3009 * config/score/misc.md: New file.
3010 * config/score/mul-div.S: New file.
3011 * config/score/predicates.md: New file.
3012 * config/score/score7.md: New file.
3013 * config/score/score.c: New file.
3014 * config/score/score-conv.h: New file.
3015 * config/score/score.h: New file.
3016 * config/score/score.md: New file.
3017 * config/score/score-mdaux.c: New file.
3018 * config/score/score-mdaux.h: New file.
3019 * config/score/score-modes.def: New file.
3020 * config/score/score.opt: New file.
3021 * config/score/score-protos.h: New file.
3022 * config/score/score-version.h: New file.
3023 * config/score/t-score-elf: New file.
3024 * config.gcc: Add score*-*-* configurations(Update before).
3025 * doc/invoke.texi (Score Options): New section.
3026 * doc/md.texi (Score family): New section to document constraints.
3028 2006-10-19 Nick Clifton <nickc@redhat.com>
3030 * config/arm/arm.c: Fix spelling typo.
3032 2006-10-18 Tom Tromey <tromey@redhat.com>
3034 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3036 2006-10-18 Jan Hubicka <jh@suse.cz>
3039 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3042 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3044 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3045 TSI_SAME_STMT, since that's the desired entity.
3047 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3049 * config/s390/contraints.md: New file.
3050 * config/s390/s390-protos.h (s390_mem_constraint,
3051 s390_O_constraint_str, s390_N_constraint_str,
3052 s390_float_const_zero_p): Function prototypes added.
3053 * config/s390/s390.c (s390_extra_constraint_str,
3054 s390_const_double_ok_for_constraint_p,
3055 s390_const_ok_for_constraint_p): Functions removed.
3056 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3057 s390_float_const_zero_p): New functions.
3058 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3059 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3060 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3061 Macro definitions removed.
3062 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3063 s390_extra_constraint_str): Functions removed.
3065 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3066 Richard Sandiford <richard@codesourcery.com>
3069 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3070 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3072 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3074 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3075 (DWARF2_FRAME_REG_OUT): Likewise.
3076 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3077 (DWARF2_FRAME_REG_OUT): Likewise.
3079 2006-10-17 Paul Brook <paul@codesourcery.com>
3081 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3083 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3085 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3086 Standardize on "GNU Fortran" as the official name of the Fortran
3089 2006-10-16 Mike Stump <mrs@apple.com>
3091 * doc/invoke.texi (Darwin Options): Document -mkernel.
3092 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3094 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3095 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3096 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3097 (OS_MISSING_ALTIVEC): Add.
3098 * config/i386/i386.c (override_options): Add
3099 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3100 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3101 -mkernel, -static or -mdynamic-no-pic is given.
3102 (C_COMMON_OVERRIDE_OPTIONS): Add.
3103 * config/darwin.opt (fapple-kext): Add.
3105 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3106 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3108 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3109 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3110 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3111 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3112 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3113 (flag_mkernel): Add.
3114 (flag_apple_kext): Add.
3115 (TARGET_KEXTABI): Add.
3116 * config/darwin.c (darwin_handle_kext_attribute): Add.
3117 (DARWIN_VTABLE_P): Add.
3118 (darwin_binds_local_p): Add partial support for rebinding vtables
3120 (darwin_kextabi_p): Add.
3121 (darwin_override_options): Add.
3122 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3123 (darwin_kextabi_p): Add.
3124 (darwin_override_options): Add.
3125 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3126 __DYNAMIC__ and __STATIC__ here.
3128 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3130 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3131 Added mention of "make pdf" target, and Texinfo requirements for
3134 2006-10-16 DJ Delorie <dj@redhat.com>
3136 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3137 into the GOT in case we need a subreg of the address.
3139 2006-10-16 Richard Guenther <rguenther@suse.de>
3142 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3143 SSE builtin documentation. Document SSE2 builtins.
3145 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3147 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3148 symbol in the output file for non-shared links when -nostdlib or
3149 -nodefaultlibs isn't specified.
3151 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3152 posix thread support.
3154 2006-10-15 Jan Hubicka <jh@suse.cz>
3157 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3158 declared always_inline even when not inlining.
3160 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3161 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3162 Andrew Pinski <pinskia@gmail.com>
3165 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3167 2006-10-15 Jan Hubicka <jh@suse.cz>
3168 Richard Guenther <rguenther@suse.de>
3171 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3172 process_function_and_variable_attributes on all variables, including
3173 those discovered during cgraph construction phase.
3175 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3177 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3179 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3181 * config/i386/athlon.md (athlon_fist): Add fisttp.
3183 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3184 Ian Lance Taylor <ian@airs.com>
3187 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3188 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3191 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3193 * config/score/score.c, config/score/score.h: Fix comment
3196 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3199 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3202 2006-10-13 Eric Christopher <echristo@apple.com>
3204 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3206 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3209 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3210 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3211 alignment supported by 32-bit ELF.
3213 2006-10-13 Eric Christopher <echristo@apple.com>
3215 * config/darwin.c (darwin_emit_unwind_label): Strip
3216 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3218 2006-10-13 Richard Guenther <rguenther@suse.de>
3220 PR tree-optimization/29446
3221 * tree-vrp.c (fix_equivalence_set): Remove.
3222 (extract_range_from_assert): Do not call fix_equivalence_set.
3223 (debug_value_range): Print a newline.
3224 (compare_name_with_value): For equivalence sets with
3225 inconsistent value ranges conservatively bail out.
3226 (compare_names): Likewise.
3228 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3230 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3231 and MPFR for gfortran.
3233 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3235 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3236 alignment supported by 32-bit ELF.
3238 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3242 * c-typeck.c (digest_init): Always allow initializing vectors
3243 that have static storage duration with compound literals.
3244 * tree.c (build_type_attribute_qual_variant): New, based on
3245 build_type_attribute_variant.
3246 (build_type_attribute_variant): Rewrite using the former.
3247 (make_vector_type): Use build_type_attribute_qual_variant to build
3248 type variants. Use type_hash_canon on the others.
3250 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3251 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3253 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3255 2006-10-12 Jan Hubicka <jh@suse.cz>
3258 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3259 current_function_decl is set but current_function_scope is not.
3261 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3263 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3264 emit_insn to emit eh_return_internal instruction.
3265 (eh_return_internal): Explicitly set pc.
3267 2006-10-11 Richard Guenther <rguenther@suse.de>
3269 PR tree-optimization/28230
3270 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3271 to the correct place.
3273 2006-10-11 Richard Guenther <rguenther@suse.de>
3276 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3279 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3281 * configure.ac: Added pdf to "Make-hooks"
3282 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3283 targets and *.pdf file patterns in cleanup targets.
3284 * configure: Regenerated.
3286 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3288 * config/avr/predicates.md: New file.
3289 * config/avr/avr.md: Include it.
3290 (REG_SP): New constant.
3291 (peepholes): Use predicates.
3292 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3293 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3294 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3296 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3298 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3301 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3304 * builtins.c (var_decl_component_p): New function.
3305 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3306 single entry optimization to variables and components thereof.
3308 2006-10-10 Richard Guenther <rguenther@suse.de>
3310 PR rtl-optimization/29323
3311 * except.c (set_nothrow_function_flags): For functions
3312 that do not bind local bail out early.
3314 2006-10-10 Ben Elliston <bje@au.ibm.com>
3316 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3319 2006-10-09 Richard Henderson <rth@redhat.com>
3321 Revert emutls patch.
3323 2006-10-09 Richard Guenther <rguenther@suse.de>
3326 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3329 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3332 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3333 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3334 * configure: Regenerate.
3335 * config.in: Regenerate.
3337 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3339 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3341 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3343 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3344 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3345 Remove stray newline.
3347 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3349 * config/mips/mips.c (mips_classify_symbol): Do not return
3350 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3351 (mips_in_small_data_p): Tweak comments.
3353 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3355 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3357 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3359 * gimplify.c, sched-int.h: Fix comment typos.
3361 * sched-int.h: Fix comment typos.
3363 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3365 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3367 * sched-ebb.c (begin_schedule_ready): Use them.
3368 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3369 add_to_speculative_block, create_check_block_twin, speculate_insn,
3370 fix_jump_move, move_block_after_check): Ditto.
3371 * sched-rgn.c (new_ready): Ditto.
3373 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3375 PR rtl-optimization/29128
3376 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3377 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3378 allow interblock movement of speculation checks.
3380 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3383 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3384 casted to integer type.
3385 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3386 if they are significantly more expensive than [reg + index] ones.
3388 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3390 PR tree-optimization/29330
3391 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3392 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3393 on newly allocated ddrs.
3394 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3395 to VEC (loop_p, heap) pointer.
3396 (compute_data_dependences_for_loop): Adjust caller.
3397 (free_dependence_relations): Free DDR_LOOP_NEST.
3399 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3400 free DEPENDENCE_RELATIONS and DATAREFS.
3403 * builtins.c (expand_builtin_sync_operation,
3404 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3405 Use convert_to_mode to handle promoted arguments.
3407 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3409 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3411 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3413 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3415 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3417 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3418 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3419 Use <modeconstraint> instead of "r" as operand 1 constraint.
3421 2006-10-06 Olivier Hainque <hainque@adacore.com>
3423 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3424 Don't recurse on the pointed-to type.
3425 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3426 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3427 types with components of variable size.
3429 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3431 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3433 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3435 PR tree-optimization/29290
3436 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3440 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3441 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3444 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3445 the number of vector elements fill the rest with zeros.
3447 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3449 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3450 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3453 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3455 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3456 unnamed pattern into subsi3. Use correct constraints/predicates.
3457 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3458 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3460 2006-10-05 Ira Rosen <irar@il.ibm.com>
3462 * doc/loop.texi: Add data references analysis description.
3464 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3466 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3468 2006-10-04 Richard Henderson <rth@redhat.com>
3469 Jakub Jelinek <jakub@redhat.com>
3471 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3472 * builtin-types.def (BT_WORD): Make unsigned.
3473 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3474 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3475 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3476 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3477 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3478 * cgraph.c (decide_is_variable_needed): Look at force_output.
3479 Recurse for emulated tls.
3480 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3481 checks redundant with decide_is_variable_needed.
3482 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3483 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3485 * expr.c (emutls_var_address): New.
3486 (expand_expr_real_1): Expand emulated tls.
3487 (expand_expr_addr_expr_1): Likewise.
3488 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3489 * output.h (emutls_finish): Declare.
3490 * toplev.c (compile_file): Call it.
3491 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3492 address before wrapping in CONST.
3493 * varasm.c (emutls_htab, emutls_object_type): New.
3494 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3495 (get_emutls_object_name, get_emutls_object_type): New.
3496 (get_emutls_init_templ_addr, emutls_decl): New.
3497 (emutls_common_1, emutls_finish): New.
3498 (assemble_variable): When emulating tls, swap decls; generate
3499 constructor for the emutls objects.
3500 (do_assemble_alias): When emulating tls, swap decl and target name.
3501 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3503 * emutls.c: New file.
3504 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3505 tls_object for real tls.
3507 2006-10-04 Zack Weinberg <zackw@panix.com>
3509 Fix bug in constraint-check generator, reported by Rask Ingemann
3511 * genpreds.c (add_constraint): Don't remove anything from the
3513 (write_tm_constrs_h): Detect whether "op" argument is used, and
3514 mark it ARG_UNUSED if it isn't.
3515 (write_insn_const_int_ok_for_constraint): Skip the part of the
3516 expression that would test whether "op" (which is not available
3517 here) is a CONST_INT.
3519 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3522 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3524 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3526 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3527 current Leopard versions.
3528 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3530 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3532 * doc/install.texi: Fix typos.
3534 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3536 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3537 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3538 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3540 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3542 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3543 arg to be struct mach_header_64* instead.
3545 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3548 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3549 side effects after the outer expression's post side effects.
3551 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3553 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3554 comments to reflect actual behavior and relationship between
3555 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3557 * doc/c-tree.texi (Working with declarations): Fix documentation
3558 of FIELD_DECL likewise.
3560 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3563 * doc/extend.texi: Add used variable attribute description.
3565 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3568 * c.opt (Woverride-init): New.
3569 * c-opts.c (c_common_post_options): Default warn_override_init to
3571 * c-typeck.c (add_pending_init, output_init_element): Warn for
3572 overriding initializers without side effects.
3573 * doc/invoke.texi (-Woverride-init): Document.
3576 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3578 PR rtl-optimization/28096
3579 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3580 assignment has already been used as a destination earlier in the block.
3582 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3584 * builtins.c (expand_builtin_setjmp): Delete.
3585 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3586 <BUILT_IN_SETJMP_SETUP>: New case.
3587 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3588 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3589 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3590 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3591 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3592 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3593 (lower_function_body): Initialize it to false. If it is set to true
3594 at the end of the processing, emit the setjmp dispatcher.
3595 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3596 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3597 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3598 on the rhs of the assignment.
3599 (lower_builtin_setjmp): New function.
3600 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3601 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3602 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3603 to detect calls that can go to non-local labels. Use specific
3604 helper to create the abnormal edges associated with them.
3605 <MODIFY_EXPR>: Likewise.
3606 (make_abnormal_goto_edges): New function extracted from...
3607 (make_goto_expr_edges): ...here. Call it for computed gotos.
3608 (simple_goto_p): Minor tweak.
3609 (tree_can_make_abnormal_goto): New predicate.
3610 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3611 (tree_purge_dead_abnormal_call_edges): New function.
3612 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3613 (tree_purge_dead_abnormal_call_edges): Likewise.
3614 (make_abnormal_goto_edges): Likewise.
3615 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3616 Purge all dead abnormal edges if the call was in the last statement.
3617 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3618 (execute_fixup_cfg): If there are non-local labels in the function,
3619 scan the basic blocks and split them at calls that can go to non-local
3620 labels or add missing abnormal call edges. Write down the CFG in the
3622 (pass_fixup_cfg): Remove TODO_dump_func flag.
3623 * unwind-sjlj.c: Poison setjmp.
3624 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3625 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3626 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3627 (DONT_USE_BUILTIN_SETJMP): Document it.
3629 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3632 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3633 to 1 when __ppc64__ is defined.
3634 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3636 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3638 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3640 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3641 * config/ia64/unwind-hpux.c: Delete.
3643 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3645 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3646 on the element before gimplifying it, instead of punting if it is of
3649 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3651 * doc/loop.texi: New file.
3652 * doc/gccint.texi: Reference loop.texi.
3653 * Makefile.in (loop.texi): Add.
3655 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3657 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3659 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3660 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3662 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3664 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3666 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3668 * doc/install.texi: Document required versions of GMP and MPFR.
3670 2006-09-27 Paul Brook <paul@codesourcery.com>
3673 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3675 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3677 * reload1.c (alter_reg): Require the alignment of the stack slot to
3678 be at least reg_max_ref_width bytes.
3679 (scan_paradoxical_subregs): Record the largest width in
3682 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3686 * tree-nested.c (struct nesting_info): Added static_chain_added.
3687 (convert_call_expr): Set static_chain_added when adding static
3688 chain. Handle OMP_PARALLEL and OMP_SECTION.
3690 2006-09-25 Matthias Klose <doko@debian.org>
3692 * doc/invoke.texi: Add missing full stop.
3694 2006-09-25 Richard Henderson <rth@redhat.com>
3696 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3697 before cgraph_function_flags_ready.
3699 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3700 Adam Nemet <anemet@caviumnetworks.com>
3702 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3703 determine_common_wider_type): New functions.
3704 (get_computation_aff): Use them to simplify arithmetic between
3705 UBASE and CBASE if they are shortened from the same type.
3707 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3710 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3711 -2147483647 - 1 instead of 0x80000000.
3713 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3715 * flags.h (HONOR_NANS): Fix typo in comment.
3717 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3719 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3721 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3725 * tree.c (merge_attributes, attribute_list_contained): If both
3726 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3728 * c-typeck.c (comptypes_internal): Don't consider aggregates
3729 in different TUs as compatible if there one set of attributes is
3730 not a subset of the other type's attributes.
3731 (composite_type): Try harder not to create a new aggregate type.
3733 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3735 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3736 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3737 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3738 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3739 than replicating condition above.
3740 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3742 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3743 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3744 the linker by default.
3746 2006-09-22 Mike Stump <mrs@apple.com>
3748 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3751 2006-09-22 Richard Guenther <rguenther@suse.de>
3754 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3755 sort of stack variables stable.
3757 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3760 * explow.c (force_reg): Set REG_POINTER flag according to
3763 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3765 PR tree-optimization/28888
3766 * tree-if-conv.c (combine_blocks): Rewritten.
3767 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3768 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3770 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3772 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3775 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3777 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3779 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3781 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3783 2006-09-21 Roger Sayle <roger@eyesopen.com>
3786 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3787 dw_fde_current_label, to be the start of the function, i.e. the same
3788 value as dw_fde_begin.
3790 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3792 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3793 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3794 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3795 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3796 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3797 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3798 (abs<mode>2, neg<mode>2): Likewise.
3799 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3800 (*mips_abs_ps): New define_insn.
3802 2006-09-20 Josh Conner <jconner@apple.com>
3805 * calls.c (expand_call): Allow reuse of structure return stack
3808 2006-09-20 Paul Brook <paul@codesourcery.com>
3810 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3813 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3815 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3816 clean up terminology.
3818 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3821 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3822 with tablejumps in them.
3824 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3827 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3828 wrap it into TARGET_EXPR.
3830 2006-09-20 Eric Christopher <echristo@apple.com>
3832 * config/i386/i386.c (x86_fisttp): Remove.
3833 * config/i386/i386.h (x86_fisttp): Ditto.
3834 (TARGET_FISTTP): Ditto.
3836 2006-09-19 Eric Christopher <echristo@apple.com>
3838 * doc/tm.texi (OBJC_JBLEN): Describe.
3839 * config/i386/darwin.h (OBJC_JBLEN): Define.
3840 * config/rs6000/darwin.h: Ditto.
3842 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3844 PR rtl-optimization/21299
3845 * reload1.c (reload): Purge invalid ASMs in the final pass.
3847 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3850 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3851 pointers as legitimate constants.
3853 2006-09-19 Paul Brook <paul@codesourcery.com>
3856 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3858 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3860 PR tree-optimization/28887
3861 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3862 component parts from the reference.
3863 (gather_memory_references_ref): Record the reference without the
3864 nonaddressable component parts.
3866 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3869 * c-opts.c (c_common_handle_option): Ignore the -std options
3870 if the input language is assembly.
3872 2006-09-17 Ira Rosen <irar@il.ibm.com>
3875 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3877 (ptr_ptr_may_alias_p): Likewise.
3878 (record_record_differ_p): New function.
3879 (base_object_differ_p): Call record_record_differ_p.
3881 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3884 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3885 away for the expr argument.
3887 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3890 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3891 before using it for dumping after vectorizing loops.
3893 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3894 Jack Howarth <howarth@bromo.med.uc.edu>
3897 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3898 skip on error_mark_node.
3899 (rs6000_darwin64_record_arg_recurse): Likewise.
3901 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3903 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3904 * doc/rtl.texi: Remove related documentation.
3906 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3908 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3911 2006-09-15 Jim Wilson <wilson@specifix.com>
3913 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3914 Handle symbol offsets same as they are handled in ia64_expand_move
3917 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3919 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3920 Add forgotten parameter to the fprintf call.
3922 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3924 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3926 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3928 * doc/contrib.texi: Add my entry.
3930 2006-09-15 Nick Clifton <nickc@redhat.com>
3932 * doc/md.texi (Processor pipeline description): Fix typo in
3933 example of how to use the absence_set directive and reword the
3934 description to make it slightly easier to read.
3936 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3938 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3939 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3940 expanding the number of iterations.
3941 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3943 * cfgrtl.c (emit_insn_at_entry): New function.
3944 * rtl.h (emit_insn_at_entry): Declare it.
3945 * integrate.c (emit_initial_value_sets): Use it.
3947 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3949 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3951 (struct loop_work and related VEC declarations): Delete.
3952 (bfin_dump_loops): Print out new member bad.
3953 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3954 (bfin_scan_loop): Don't recurse.
3955 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3956 loops. No longer need to update outer loops if the current one is
3957 found bad. Move some validitiy checks to bfin_discover_loop.
3958 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3959 but changed not to check for nesting. Also changed to use the new bad
3961 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3962 time. Use bitmap based test to discover loop nesting.
3964 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3966 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3969 2006-09-14 Richard Guenther <rguenther@suse.de>
3970 Kazu Hirata <kazu@codesourcery.com>
3972 PR middle-end/28884.
3973 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3974 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3975 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3976 with TARGET_FUNCTION_VALUE.
3978 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3981 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3983 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3985 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3988 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3991 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3994 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3996 * basic_block.h (bb_has_eh_pred): Fix comment.
3998 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4000 * flow.c (calculate_global_regs_live): Invalidate eh registers
4001 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4002 (propagate_block): Handle eh registers as if they were set at basic
4004 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4006 * global.c (global_conflicts): Make eh registers to conflict with
4007 pseudos live at basic block begin.
4008 * basic_block.h (bb_has_eh_pred): New function.
4010 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4012 PR rtl-optimization/28982
4013 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4014 index of a PRE_MODIFY or POST_MODIFY address.
4015 * reload1.c (inc_for_reload): Use find_replacement on the original
4016 base and index registers.
4018 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4020 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4021 for -Os. Update __m128 alignment requirement.
4023 2006-09-13 Jan Hubicka <jh@suse.cz>
4025 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4027 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4029 PR rtl-optimization/28243
4030 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4031 the insn to which the note was originally attached.
4033 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4034 Roger Sayle <roger@eyesopen.com>
4036 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4037 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4038 on platforms that don't use dwarf for debug info.
4040 2006-09-12 Jason Merrill <jason@redhat.com>
4043 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4044 hard_frame_pointer_rtx after using it to update the frame pointer.
4046 2006-09-12 Roger Sayle <roger@eyesopen.com>
4048 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4049 (TARGET_ASM_CLOSE_PAREN): Likewise.
4050 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4051 (TARGET_ASM_CLOSE_PAREN): Likewise.
4053 2006-09-12 Roger Sayle <roger@eyesopen.com>
4056 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4057 frame information for frames larger than 512 Kbytes on Tru64 when
4058 using the native assembler.
4060 2006-09-12 Roger Sayle <roger@eyesopen.com>
4064 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4065 and symbols. Instead use the implementation from cse.c's hash_rtx.
4067 2006-09-12 Jan Hubicka <jh@suse.cz>
4069 PR rtl-optimization/28071
4070 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4071 (vect_transform_loop): Likewise.
4072 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4073 (new_loop_vec_info): Likewise.
4074 (destroy_loop_vec_info): Likewise.
4075 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4076 (create_stmt_ann): Likewise.
4077 (create_tree_ann): Rename to ...
4078 (create_tree_common_ann): ... this one; allocate only the common part
4080 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4081 (get_value_handle): Likewise.
4082 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4083 get_tree_common_ann.
4084 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4085 (vinfo_for_stmt): Use stmt annotations.
4086 * tree-flow.h (tree_ann_common_t): New type.
4087 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4088 (tree_ann, get_tree_ann, create_tree_ann): New.
4089 * tree-flow-inline.h (get_function_ann): Do more type checking.
4090 (stmt_ann): Likewise.
4091 (tree_ann): Rename to ...
4092 (tree_common_ann): ... this one; return ony common_ann
4093 (get_tree_ann): Rename to ...
4094 (tree_common_ann): This one; return only common_ann.
4095 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4098 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4100 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4101 with_cpu by default.
4103 * dwarf2out.c (dwarf_file_data): New.
4104 (enum dw_val_class): Add dw_val_class_file.
4105 (struct dw_val_struct): Add val_file.
4106 (file_table): Change to a hash table.
4107 (file_table_emitted): Delete.
4108 (file_table_last_lookup_index): Delete.
4109 (emitcount): Delete.
4110 (last_emitted_file): New.
4111 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4112 (init_file_table): Delete.
4113 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4114 (AT_addr): Add comment.
4118 (print_die): Handle dw_val_class_file.
4119 (print_dwarf_line_table): Update for new file table structure.
4120 (attr_checksum): Do checksum a filename.
4121 (same_dw_val_p, same_attr_p): Do compare a filename.
4122 (size_of_die): Handle dw_val_class_file.
4123 (value_format): Likewise.
4124 (output_die): Likewise. Also, call maybe_emit_file here.
4125 (struct file_info): Constify filenames. Make file_idx a pointer
4126 to a struct dwarf_file_data.
4127 (struct dir_info): Constify directory names. Remove 'used' field.
4128 (struct file_name_acquire_data): New.
4129 (file_name_acquire): New.
4130 (output_file_names): Modify to handle new file data structures.
4131 (add_src_coords_attributes): Use add_AT_file.
4132 (add_call_src_coords_attributes): Likewise.
4133 (dwarf2out_imported_module_or_decl): Likewise.
4134 (gen_subprogram_die): Modify for new file data structures.
4135 (gen_variable_die): Likewise.
4136 (file_table_eq): New.
4137 (file_table_hash): New.
4138 (file_table_last_lookup): New.
4139 (lookup_filename): Rewrite to handle new file data structures.
4140 (maybe_emit_file): Rewrite to handle new file data structures.
4141 (dwarf2out_source_line): Always call lookup_filename and
4143 (dwarf2out_init): Create file_table here.
4144 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4145 (file_table_relative_p): New.
4146 (dwarf2out_finish): Change detection of relative filenames
4147 to work with new file data structures. Move output_line_info call
4148 after debug_info output.
4150 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4155 * config/i386/i386.c (override_options): Always default to 16
4156 byte stack boundary.
4158 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4161 * var-tracking.c (dump_dataflow_set): Start dumping at
4163 (clobber_variable_part): Kill only the variable part in
4164 registers holding it, leaving other variables alone.
4166 2006-09-11 Josh Triplett <josh@freedesktop.org>
4168 * doc/extend.texi (Other Builtins): Actually use the macro
4169 argument in the documentation example for
4170 __builtin_types_compatible_p.
4172 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4174 PR rtl-optimization/28726
4175 * sched-deps.c (sched_analyze_reg): New function extracted from...
4176 (sched_analyze_1): ...here. Call it to analyze references to
4177 registers. Treat again writes to a stack register as writing to the
4179 (sched_analyze_2): ...and here. Call it to analyze references to
4180 registers. Treat again reads of a stack register as reading the
4183 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4184 David Edelsohn <edelsohn@gnu.org>
4187 * config/rs6000/spe.md (frob_df_di): Remove %H.
4188 (frob_di_df): Remove %H. Change evmergelo to mr.
4189 (frob_di_df_2): Remove %H. Change evldd to two loads.
4191 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4193 * doc/cpp.texi: Fix names of charset options.
4195 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4198 * config/i386/i386.c (override_options): Use 128-bit
4199 stack boundary always for 64bits.
4201 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4203 PR rtl-optimization/28636
4204 * combine.c (force_to_mode): Test for side-effects before
4205 substituting by zero.
4206 (simplify_shift_const): Likewise for zero or other constants.
4208 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4211 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4214 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4217 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4218 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4219 returned by mode_for_size, rather than the mode of src itself,
4220 to choose between 32-bit and 64-bit patterns.
4221 (mips_mem_fits_mode_p): New function.
4222 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4223 that the size of the source matches the size of the destination.
4224 (mov_<store>l, mov_<store>r): Likewise.
4226 2006-09-10 Eric Christopher <echristo@apple.com>
4228 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4231 2006-09-09 Eric Christopher <echristo@apple.com>
4234 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4237 2006-09-09 Roger Sayle <roger@eyesopen.com>
4238 Nicolas Setton <setton@adacore.com>
4240 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4242 2006-09-10 Andreas Schwab <schwab@suse.de>
4244 * config/m68k/m68k.md (bungt_rev): New pattern.
4246 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4247 Dale Johannesen <dalej@apple.com>
4250 * regclass.c (struct reg_pref): Update documentation.
4251 (regclass): Set prefclass to NO_REGS if memory is the best option.
4252 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4254 2006-09-08 Eric Christopher <echristo@apple.com>
4256 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4257 * config/t-slibgcc-darwin: Support x86_64 multilib.
4258 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4259 Return 1 for x86_64-darwin.
4260 * config/i386/t-darwin: Add m64 multilib.
4261 (LIB2_SIDITI_CONV_FUNCS): Use.
4262 (LIB2FUNCS_EXTRA): Ditto.
4263 * config/i386/darwin.h: Support x86_64.
4264 * config/i386/i386.c (override_options): Turn on flag_pic
4265 for x86_64-darwin. Disable flag_omit_pointer.
4266 (get_pc_thunk_name): Assert !TARGET_64BIT.
4267 (legitimate_address_p): Disable machopic addressing for
4269 (legitimize_pic_address): Ditto.
4270 (ix86_expand_move): Ditto.
4271 (ix86_expand_call): Ditto.
4272 (machopic_output_stub): Ditto.
4273 * config/darwin.c (machopic_select_section): Support literal16.
4274 (machopic_select_rtx_section): Ditto.
4275 * config/darwin-sections.def: Ditto.
4276 * config/darwin-64.c: New.
4278 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4281 * c-tree.h (struct c_arg_info): Add pending_sizes.
4282 * c-parser.c (c_parser_parms_declarator,
4283 c_parser_parms_list_declarator): Initialize pending_sizes.
4284 * c-decl.c (get_parm_info): Initialize pending_sizes.
4285 (get_parm_info): Set pending_sizes.
4286 (grokdeclarator): Call put_pending_sizes for parameters for
4287 function definition only.
4289 2006-09-07 Jason Merrill <jason@redhat.com>
4292 * varasm.c (output_constant): Only strip actual no-op conversions.
4295 * config/i386/i386.c (override_options): Use 128-bit
4296 stack boundary if -msse.
4298 2006-09-07 Eric Christopher <echristo@apple.com>
4300 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4302 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4305 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4307 * dwarf2out.c: Remove strange characters from comment above
4308 dwarf2out_frame_debug_expr.
4310 2006-09-07 Eric Christopher <echristo@apple.com>
4312 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4313 * config/darwin.h: ... to here.
4315 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4317 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4319 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4320 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4322 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4323 TARGET_PARTIAL_FLAG_REG_STALL.
4324 (*ashldi3_cconly_rex64): Likewise.
4325 (*ashlsi3_cmp): Likewise.
4326 (*ashlsi3_cconly): Likewise.
4327 (*ashlsi3_cmp_zext): Likewise.
4328 (*ashlhi3_cmp): Likewise.
4329 (*ashlhi3_cconly): Likewise.
4330 (*ashlqi3_cmp): Likewise.
4331 (*ashlqi3_cconly): Likewise.
4332 (*ashrdi3_cmp_rex64): Likewise.
4333 (*ashrdi3_cconly_rex64): Likewise.
4334 (*ashrsi3_cmp): Likewise.
4335 (*ashrsi3_cconly): Likewise.
4336 (*ashrsi3_cmp_zext): Likewise.
4337 (*ashrhi3_cmp): Likewise.
4338 (*ashrhi3_cconly): Likewise.
4339 (*ashrqi3_cmp): Likewise.
4340 (*ashrqi3_cconly): Likewise.
4341 (*lshrdi3_cmp_rex64): Likewise.
4342 (*lshrdi3_cconly_rex64): Likewise.
4343 (*lshrsi3_cmp): Likewise.
4344 (*lshrsi3_cconly): Likewise.
4345 (*lshrsi3_cmp_zext): Likewise.
4346 (*lshrhi3_cmp): Likewise.
4347 (*lshrhi3_cconly): Likewise.
4348 (*lshrqi2_cmp): Likewise.
4349 (*lshrqi2_cconly): Likewise.
4351 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4354 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4355 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4356 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4357 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4358 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4359 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4360 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4361 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4362 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4363 implement only CC setting effects of shift instructions.
4365 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4367 * doc/contrib.texi: Add myself.
4369 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4372 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4373 was set by the user.
4375 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4378 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4379 (divsi_inv_m1): Use them.
4380 (UNSPEC_DIV_INV_TABLE): New constant.
4382 2006-09-06 James E Wilson <wilson@specifix.com>
4385 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4386 then call count_or_remove_death_notes.
4388 2006-09-06 Jason Merrill <jason@redhat.com>
4391 * tree-inline.c (copy_result_decl_to_var): New fn.
4392 (declare_return_variable): Use it. Call declare_inline_vars here.
4393 (expand_call_inline): Not here.
4395 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4397 * doc/contrib.texi: Update my entry.
4399 2006-09-06 Nick Clifton <nickc@redhat.com>
4401 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4403 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4406 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4407 (canonicalize_induction_variables): Likewise.
4408 (tree_unroll_loops_completely): Likewise.
4409 (tree_ssa_prefetch_arrays): Likewise.
4410 (remove_empty_loops): Likewise.
4411 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4412 TODO_cleanup_cfg instead of directly calling
4413 cleanup_tree_cfg_loop.
4414 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4416 (tree_unroll_loops_completely): Likewise.
4417 (remove_empty_loops): Likewise.
4418 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4419 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4420 of tree_ssa_unswitch_loops.
4421 (tree_ssa_loop_ivcanon): Use the return value of
4422 canonicalize_induction_variables.
4423 (tree_ssa_empty_loop): Use the return value of
4425 (tree_complete_unroll): Use the return value of
4426 tree_unroll_loops_completely.
4427 (tree_ssa_loop_prefetch): Use the return value of
4428 tree_ssa_prefetch_arrays.
4429 * passes.c (execute_todo): Before Cleanup CFG, set
4430 updating_used_alone and after cleanup CFG, call
4431 recalculate_used_alone.
4433 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4436 * tree-vect-transform.c (vectorizable_condition): Move the check
4437 for the type after the check for simple condition.
4439 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4440 Kaz Kojima <kkojima@gcc.gnu.org>
4443 * mode-switching.c (optimize_mode_switching): Make the destination
4444 block of an abnormal edge have no anticipatable mode. Don't
4445 insert mode switching code at the end of the source block of
4448 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4450 PR rtl-optimization/26847
4451 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4452 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4453 (simplify_plus_minus): Count n_constants while filling ops. Replace
4454 qsort with insertion sort. Before going through the array to simplify
4455 pairs, sort it. Delay early exit until after the first sort, exiting
4456 only if no swaps occurred. Simplify pairs in reversed order, without
4457 special-casing the first iteration. Pack ops after simplifying pairs.
4459 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4461 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4462 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4463 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4464 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4466 2006-09-05 Richard Guenther <rguenther@suse.de>
4468 PR tree-optimization/28900
4469 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4470 compound conditional before creating COND_EXPR condition.
4472 2006-09-05 Richard Guenther <rguenther@suse.de>
4474 PR tree-optimization/28905
4475 * tree-vrp.c (fix_equivalence_set): Manually implement
4476 !value_ranges_intersect_p to also handle symbolic ranges.
4478 2006-09-05 Richard Guenther <rguenther@suse.de>
4481 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4484 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4486 PR rtl-optimization/27616
4487 * cse.c (table_size): New static variable.
4488 (new_basic_block): Initialize it to 0.
4489 (remove_from_table): Decrement it.
4490 (insert): Increment it.
4491 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4492 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4493 fold_rtx_mem_1 if under the cap.
4494 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4495 the lookup of the equivalent expression and test for equality of the
4496 first operand of the equivalent expression before in turn looking up
4497 an equivalent constant for the second operand.
4499 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4502 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4503 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4504 pointer, instead of assuming it is possible to derive the
4505 correct args size from a call insn.
4507 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4510 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4511 (fold_builtin_mempcpy): Rename to...
4512 (fold_builtin_memory_op): ... this. Optimize one element copy
4514 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4516 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4517 (expand_builtin_memcpy, expand_builtin_mempcpy,
4518 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4519 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4520 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4521 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4523 2006-09-01 DJ Delorie <dj@redhat.com>
4525 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4526 (stzx_16): Likewise.
4527 ("stzx_24_<mode>"): Likewise.
4528 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4529 ("cmp<mode>_op"): New.
4530 (cmp<mode>): Change to expander; just save operands.
4532 (b<code>): Change to expander, emit compare here.
4533 (s<code>_op): Change to use split and expander.
4534 (s<code>_24_op): Likewise.
4535 (s<code>_<mode>): New.
4536 (s<code>_<mode>_24): New.
4537 (movqicc_<code>_<mode): New.
4538 (movhicc_<code>_<mode>): New.
4541 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4542 (m32c_pend_compare): New.
4543 (m32c_unpend_compare): New.
4544 (m32c_expand_scc): New.
4545 (m32c_expand_movcc): Emit the compare also.
4546 * config/m32c/predicates.md (mra_nopp_operand): New.
4548 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4549 Richard Guenther <rguenther@suse.de>
4550 Adam Nemet <anemet@caviumnetworks.com>
4553 * builtins.c (get_pointer_alignment): Handle more forms
4554 of base addresses that can be used to derive more precise
4555 information about alignment.
4557 2006-09-01 Jason Merrill <jason@redhat.com>
4560 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4563 * gimplify.c (voidify_wrapper_expr): Handle null type.
4565 2006-09-01 Josh Conner <jconner@apple.com>
4568 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4569 (execute_return_slot_opt): Use it.
4571 2006-08-31 Josh Conner <jconner@apple.com>
4574 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4575 returning aggregates.
4577 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4579 PR tree-optimization/28839
4580 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4581 blocks in that phi arguments appear.
4583 2006-08-31 Roger Sayle <roger@eyesopen.com>
4586 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4587 NULL, otherwise use an advance_loc4 to adjust relative to the
4589 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4590 (dwarf2out_switch_text_section): Reset the current label to avoid
4591 using advance_loc4 over section boundaries.
4593 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4596 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4597 r12 + SYMBOLIC_CONST.
4599 2006-08-30 Richard Guenther <rguenther@suse.de>
4601 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4603 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4605 PR rtl-optimization/27735
4606 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4607 Add new argument to keep track of whether an irreducible region
4608 was affected. All callers changed.
4609 (fix_irreducible_loops): Removed.
4610 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4611 flags were invalidated.
4613 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4615 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4616 instead of SF operands.
4617 (*fop_df_comm_sse): Likewise.
4618 (*fop_df_comm_i387): Likewise.
4619 (*fop_df_1_mixed): Likewise.
4620 (*fop_df_1_sse): Likewise.
4622 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4623 J"orn Rennecke <joern.rennecke@st.com>
4625 PR tree-optimization/17506
4626 * tree-ssa.c (warn_uninit): If warning about a location outside of
4627 the current function, note where the variable was declared.
4629 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4631 PR tree-optimization/28411
4632 * double-int.c (double_int_div): Use double_int_divmod.
4633 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4634 double_int_mod, double_int_smod, double_int_umod): New functions.
4635 * double-int.h (double_int_divmod, double_int_sdivmod,
4636 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4638 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4640 (get_computation_aff, get_computation_cost_at): Handle double_int
4641 return type of constant_multiple_of.
4643 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4646 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4647 an implicit conversion.
4649 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4651 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4653 2006-08-27 Roger Sayle <roger@eyesopen.com>
4655 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4658 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4660 * config/i386/crtfastmath.c: Fix a comment typo.
4662 2006-08-26 Roger Sayle <roger@eyesopen.com>
4664 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4665 temporary visit flags on CASE_LABEL_EXPRs.
4666 * c-common.c (match_case_to_enum): Add function comment. Avoid
4667 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4668 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4669 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4670 a constant, only warn if that constant value isn't handled.
4672 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4675 * input.h (restore_input_file_stack): Declare.
4676 (INPUT_FILE_STACK_BITS): Define.
4677 * toplev.c (fs_p, input_file_stack_history,
4678 input_file_stack_restored, restore_input_file_stack): New.
4679 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4680 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4681 (pop_srcloc): Don't free old state of stack.
4683 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4686 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4687 (PowerPC Type Attributes): New.
4689 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4691 * config/xtensa/xtensa.c (function_arg_boundary): New.
4692 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4694 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4695 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4697 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4700 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4703 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4705 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4706 (verify_local_live_at_start): Likewise.
4708 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4711 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4712 omp_add_variable): Treat sizes as variable whenever not
4715 2006-08-26 Richard Guenther <rguenther@suse.de>
4718 * fold-const.c (fold_binary): Fold temporary to correct
4719 type before constructing new comparison.
4721 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4724 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4725 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4727 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4730 * c-decl.c (start_function): Don't try to process prototype
4731 information from old declaration that isn't a function.
4733 2006-08-25 Jan Hubicka <jh@suse.cz>
4736 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4738 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4741 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4744 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4746 PR tree-optimization/16876
4747 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4748 exit if PARM doesn't match VALUE.
4750 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4752 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4753 literal_prefix directive.
4754 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4755 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4756 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4758 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4761 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4762 predicate to general_operand. Add 0->y and I->r alternatives.
4764 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4766 * doc/tm.texi: Fix a typo.
4767 * predict.c: Fix comment typos.
4769 2006-08-25 Nick Clifton <nickc@redhat.com>
4771 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4772 assertions of "cpu" and "machine".
4774 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4777 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4778 the access through a base which has an alias set of 0 cannot
4781 2006-08-24 Bill Wendling <wendling@apple.com>
4783 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4785 2006-08-24 Jan Hubicka <jh@suse.cz>
4787 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4789 2006-08-24 Jan Hubicka <jh@suse.cz>
4792 * cgraph.c: Fix comments.
4793 (cgraph_varpool_mark_needed_node): Mark only variables not already
4795 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4796 (cgraph_varpool_assembled_nodes_queue): New static variable.
4797 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4798 (cgraph_varpool_output_debug_info): New function.
4799 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4800 * Makefile.in: Add gt-cgraphunit.h
4802 2006-08-24 Jan Hubicka <jh@suse.cz>
4804 * predict.c (probability_reliable_p): New predicate.
4805 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4806 (predict_loops): Do not predict loop exit with less than 2%
4808 * basic-block.h (edge_probability_reliable_p,
4809 br_prob_note_reliable_p): Declare.
4810 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4811 prediction when static predictor is not reliable.
4812 * rs6000.c (output_cbranch): Likewise.
4814 2006-08-23 Stuart Hastings <stuart@apple.com>
4817 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4818 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4820 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4823 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4824 complex values, nor for generic vector values.
4826 2006-08-22 Richard Guenther <rguenther@suse.de>
4829 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4830 parameter. Convert arguments to arithmetic expression to the
4832 (analyze_scalar_evolution_1): Adjust caller.
4834 2006-08-22 Jan Hubicka <jh@suse.cz>
4836 Patch by Paolo Bonzini
4837 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4840 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4842 PR tree-optimization/28003
4843 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4844 before grouping aliases.
4846 2006-08-22 Roger Sayle <roger@eyesopen.com>
4848 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4849 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4851 2006-08-21 Jason Merrill <jason@redhat.com>
4854 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4855 wrapper. Loop to handle nested wrappers.
4856 (gimplify_bind_expr): Remove temp parameter.
4857 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4858 and STATEMENT_LIST on the rhs.
4859 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4860 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4861 (gimplify_target_expr): Remove special BIND_EXPR handling.
4863 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4865 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4868 2006-08-21 Olivier Hainque <hainque@adacore.com>
4870 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4871 Arrange for the temporary captures of components overlapping the lhs
4872 to happen before the lhs is possibly cleared.
4874 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4876 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4877 necessary places to pass the correct "number of registers" values
4880 2006-08-20 Jan Hubicka <jh@suse.cz>
4882 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4883 (create_name_tags): Instead of quadratic checking use hashtable.
4884 * bitmap.h: Include hashtab.h.
4885 (bitmap_hash): Declare.
4886 * bitmap.c (bitmap_hash): New function.
4888 2006-08-20 Jan Hubicka <jh@suse.cz>
4890 PR rtl-optimization/28071
4891 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4893 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4894 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4895 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4896 cgraph_decide_inlining_incrementally): Update use of
4897 cgraph_check_inline_limits.
4898 * cgraph.c (edge_hash, edge_eq): New function.
4899 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4900 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4901 cgraph_remove_node): Maintain call site hash.
4902 * cgraph.h (struct cgraph_node): Add call_site_hash.
4903 (cgraph_set_call_stmt): New function.
4905 2006-08-20 Jan Hubicka <jh@suse.cz>
4907 PR rtl-optimization/28071
4908 * reload1.c (reg_has_output_reload): Turn into regset.
4909 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4910 choose_reload_regs, emit_reload_insns): Update to new
4911 reg_has_output_reload.
4913 2006-08-20 Jan Hubicka <jh@suse.cz>
4916 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4917 function body sizes.
4918 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4920 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4923 * tree.c (handle_dll_attribute): Return early if not a
4924 var or function decl.
4926 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4929 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4930 alignment of SPE vector types.
4932 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4934 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4936 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4939 * cgraph.h (struct cgraph_node): Remove externally_visible
4941 * cgraphunit.c (process_function_and_variable_attributes): Set
4942 local.externally_visible rather than externally_visible.
4945 * c-common.c (handle_externally_visible_attribute): First look
4946 at TREE_CODE and only if it is function or var decl, check for
4947 non-public objects. Don't warn for DECL_EXTERNAL.
4948 * cgraphunit.c (process_function_and_variable_attributes): Warn
4949 if externally_visible attribute is used on non-public object.
4951 2006-08-17 Jan Hubicka <jh@suse.cz>
4953 PR tree-optimization/27865
4954 * reload1.c (forget_marked_reloads): New function.
4955 (forget_old_reloads_1): When data are passed, just mark the registers
4957 (reload_as_needed): Use the new mechanizm.
4959 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4962 * reload.h (reg_equiv_alt_mem_list): New declaration.
4963 * reload1.c (reg_equiv_alt_mem_list): New definition.
4964 (reload): Initialize it and release it.
4965 (delete_output_reload): Use it.
4966 * reload.c (push_reg_equiv_alt_mem): New function.
4967 (find_reloads_toplev): Call it.
4968 (find_reloads_address, find_reloads_address_1): Likewise.
4969 (find_reloads_subreg_address): Likewise.
4971 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4973 PR rtl-optimization/28489
4974 * sched-ebb.c (begin_schedule_ready): Create basic block
4976 (advance_target_bb): Skip empty blocks.
4977 * haifa-sched.c (bb_note): Make global.
4978 * sched-int.h (bb_note): Add prototype.
4980 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4982 PR tree-optimization/27865
4983 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4985 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4986 fold_used_pointer, pointer_used_p): New functions.
4987 (analyze_scalar_evolution_1): Use fold_used_pointer.
4988 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4989 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4992 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4995 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4996 or the INTEGER_CST. Fail on a CALL_EXPR.
4997 (fold_offsetof): Pass new argument to fold_offsetof_1.
4998 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4999 operand into an INDIRECT_REF.
5000 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5002 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5004 PR gcov/profile/26570
5005 * value-prof.c (static_values): Removed.
5006 (tree_find_values_to_profile): Do not set static_values.
5007 (find_values_to_profile): Do not free static_values.
5008 * profile.c (instrument_values): Do not free the values.
5009 (branch_prob): Free the values.
5011 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5013 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5015 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5018 * c-typeck.c (build_component_ref): Combine qualifiers of
5019 structure or union and field.
5021 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5023 PR rtl-optimization/28071
5024 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5025 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5026 * tree-into-ssa.c (struct dom_dfsnum): New.
5027 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5029 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5030 compute_global_livein.
5031 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5032 in phi nodes in the correct blocks.
5034 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5036 PR tree-optimization/28364
5037 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5039 (fold_affine_expr): New function.
5040 (may_eliminate_iv): Use fold_affine_expr.
5042 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5045 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5048 2006-08-16 Mike Stump <mrs@apple.com>
5050 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5051 * doc/cppopts.texi (-MD): Likewise.
5053 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5056 * c-common.c (handle_weak_attribute): Ignore and warn if
5057 not a FUNCTION_ or VAR_DECL.
5059 2006-07-15 Mike Stump <mrs@apple.com>
5062 * c-parser.c (c_parser_typeof_specifier): Don't use
5063 c_finish_expr_stmt, open code desired semantics instead.
5065 2006-08-15 Nick Clifton <nickc@redhat.com>
5067 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5068 fragment to tmake_file only if threads are enabled.
5069 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5070 * config/i386/t-gthr-win32: New file. ... here.
5072 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5075 * c-parser.c (c_parser_compound_statement_nostart): Reset
5076 parser->error after each statement.
5078 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5081 * omp-low.c (lower_omp_parallel): Convert t to
5082 receiver_decl's type.
5083 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5084 source before comparison.
5087 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5088 to itype in assignment to oldival2.
5090 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5094 * c-typeck.c (build_compound_expr): If the second expression
5095 is an error mark, then just return an error mark instead of
5096 creating a COMPOUND_EXPR.
5098 2006-07-14 Mike Stump <mrs@apple.com>
5100 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5102 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5104 * c-decl.c, var-tracking.c: Fix comment typos.
5106 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5108 PR rtl-optimization/28634
5109 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5110 for floating-point modes unless flag_unsafe_math_optimizations.
5112 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5113 Andrew Pinski <pinskia@physics.uc.edu>
5116 * tree.c (build_array_type): Unify array types with
5117 unspecified index_type.
5118 * c-decl.c (grokdeclarator): Make sure we do not modify a
5119 unified incomplete array type.
5120 * c-typeck.c (store_init_value): Create distinct type before
5121 filling in the index type in an initializer from a compound
5124 * c-decl.c (grokdeclarator): Remove code where we copy the
5127 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5129 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5130 into account for TODO_dump_cgraph.
5131 (TODO_update_ssa_no_phi): Likewise.
5132 (TODO_update_ssa_full_phi): Likewise.
5133 (TODO_update_ssa_only_virtuals): Likewise.
5134 (TODO_remove_unused_locals): Likewise.
5135 (TODO_set_props): Likewise.
5136 (TODO_update_stmt_usage): Likewise.
5138 2006-08-13 Dirk Mueller <dmueller@suse.de>
5140 * c-common.c (strict_aliasing_warning): Fix formatting.
5142 2006-08-13 Matthias Klose <doko@debian.org>
5144 * doc/invoke.texi: Fix spelling errors.
5146 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5148 PR rtl-optimization/23454
5149 * reorg.c (relax_delay_slots): Update comment.
5151 2006-08-11 Richard Guenther <rguenther@suse.de>
5154 * simplify-rtx.c (simplify_const_relational_operation):
5155 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5158 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5160 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5161 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5163 2006-08-10 Paul Brook <paul@codesourcery.com>
5165 * final.c (final_scan_insn): Clear current_insn_predicate before
5166 outputting inline asm.
5168 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5170 PR tree-optimization/26197
5171 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5172 get_ref_base_and_extent and overlap_subvar to add only relevant
5173 subvars as may-aliases.
5174 (add_may_alias_for_new_tag): New function, factored out of
5176 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5177 with additional argument.
5178 * tree-flow.h (new_type_alias): Takes additional argument.
5180 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5182 * gcov.c (no_data_file): New flag.
5183 (read_count_file): Set it if data file not present. Assume counts
5185 (output_lines): Don't name the data file, if there wasn't one.
5187 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5189 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5190 (rs6000_generate_compare): Tweak comments.
5191 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5193 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5195 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5196 (var_debug_decl): New function.
5197 (var_reg_set): Follow debug decl link. Add location even if
5198 reg is already known to hold some other variable.
5199 (var_mem_set): Follow debug decl link.
5200 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5201 decl link. Delete other known locations of the variable part
5203 (var_reg_delete, var_mem_delete): Delete other known locations
5204 of the variable part if requested.
5205 (same_variable_part_p): New function.
5206 (add_stores): Select MO_COPY when appropriate.
5207 (vt_initialize): Handle it.
5208 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5209 known locations for MO_SET and MO_CLOBBER.
5210 (find_variable_location_part): New function.
5211 (set_variable_part, delete_variable_part): Use it.
5212 (clobber_variable_part): New function.
5213 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5216 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5218 PR tree-optimization/26969
5219 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5220 with an empty list of PHIs.
5222 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5226 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5229 2006-08-06 Andreas Schwab <schwab@suse.de>
5231 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5232 string. Whitespace and comment fixup.
5234 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5237 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5241 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5244 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5246 2006-08-04 Jan Hubicka <jh@suse.cz>
5250 * reload.c (push_reload): Patch out the mismatching instruction;
5252 (find_reload): Bail out if the instruction was patched out.
5254 2006-08-04 Jan Hubicka <jh@suse.cz>
5256 PR tree-optimization/24888
5257 * tree-inline.c (expand_call_inline): Do not re-record variables.
5258 (declare_inline_vars): Add variable to unexpanded_var_list.
5260 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5261 Roger Sayle <roger@eyesopen.com>
5263 PR rtl-optimization/26244
5264 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5265 inner_const are negative or greater than or equal to the bitsize of
5266 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5267 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5268 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5269 CONST0_RTX (mode) when the new shift count is greater than or equal to
5270 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5273 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5275 * tree-cfg.c: Fix a comment typo.
5277 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5280 * varasm.c (output_constant): Give the front end another chance to
5281 expand constants, after stripping NOPs.
5283 2006-08-03 Jan Hubicka <jh@suse.cz>
5285 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5288 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5290 PR tree-optimization/27770
5291 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5292 declaration removed (moved to tree-flow.h).
5293 (vect_can_force_dr_alignment_p): Likewise.
5294 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5295 (moved from tree-vectorizer.h).
5296 (vect_can_force_dr_alignment_p): Likewise.
5297 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5298 from outside the vectorizer - in particular from cgraph stage.
5299 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5300 the alignment of global arrays when -fsection-anchors is enabled.
5301 * cgraphunit.c (cgraph_increase_alignment): New function.
5302 (cgraph_optimize): Call cgraph_increase_alignment.
5304 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5307 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5308 not reload a SPE symbol_ref into a lo_sum address.
5310 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5313 * dwarf2out.c (prune_unused_types_prune): Move call to
5314 prune_unused_types_update_strings to cover the parent DIE also.
5316 2006-08-02 Jan Hubicka <jh@suse.cz>
5318 PR gcov/profile/28480
5319 * tree-cfg.c (change_bb_for_stmt): New function.
5320 (tree_merge_blocks, tree_split_blocks): Use it.
5322 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5328 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5329 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5330 (cgraph_optimize): Likewise.
5332 2006-08-01 Stuart Hastings <stuart@apple.com>
5334 * rtl.h (UINTVAL) New.
5335 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5336 * testsuite/gcc.dg/20060801-1.c: New.
5338 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5341 * c-typeck.c (build_external_type): Mark used enum types.
5342 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5344 (gen_subprogram_die): Whitespace fix.
5346 2006-08-01 Jan Hubicka <jh@suse.cz>
5348 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5349 bitmap when not needed.
5350 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5353 2006-08-01 Dirk Mueller <dmueller@suse.de>
5355 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5357 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5359 * Makefile.in: Revert part of previous patch:
5360 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5363 2006-07-30 Eric Christopher <echristo@apple.com>
5366 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5367 (PowerPC Variable Attributes): New section.
5369 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5371 PR target/28126 (partial fix)
5372 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5374 2006-07-28 Jan Hubicka <jh@suse.cz>
5376 PR rtl-optimization/28071
5377 * cfgrtl.c (rtl_delete_block): Free regsets.
5378 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5380 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5382 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5383 and variables used in dependencies.
5385 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5387 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5388 %fs for -mcmodel=kernel.
5389 (stack_tls_protect_test_di): Likewise.
5391 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5393 * Makefile.in: Use mkinstalldirs.
5395 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5398 * opts-common.c (prune_options): Skip joined switches.
5400 2006-07-27 Jan Hubicka <jh@suse.cz>
5402 PR rtl-optimization/28071
5403 * cselib.c (cselib_process_insn): Don't remove useless values too
5404 often for very large hashtables.
5406 2006-07-27 Jan Hubicka <jh@suse.cz>
5408 PR rtl-optimization/28071
5409 * global.c (greg_obstack): New obstack.
5410 (allocate_bb_info): Use it.
5411 (free_bb_info): Likewise.
5412 (modify_reg_pav): Likewise.
5414 2006-07-27 Roger Sayle <roger@eyesopen.com>
5416 * builtins.c (fold_fixed_mathfn): When long and long long are the
5417 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5418 functions to their lceil*, lfloor*, lround* and lrint* forms.
5420 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5423 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5425 (rev_branch_insn): Likewise.
5427 2006-07-27 Jan Hubicka <jh@suse.cz>
5429 PR rtl-optimization/28071
5430 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5431 (reg_set_in_bb, max_reg_computed): New static variables.
5432 (regmove_optimize): Free the new array.
5433 (fixup_match_1): Update call of reg_is_remote_constant_p.
5435 2006-07-26 Jan Hubicka <jh@suse.cz>
5437 PR tree-optimization/27882
5438 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5440 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5442 (cgraph_analyze_compilation_unit): Likewise.
5443 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5444 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5445 (cgraph_early_inlinine): Make order garbage collected.
5446 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5448 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5450 * dbxout.c (output_types_sort): Add a comment.
5451 (output_used_types): Free the VEC.
5453 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5455 * function.c (reorder_fix_fragments): Delete.
5456 (reorder_blocks): Don't call it.
5457 (reorder_blocks_1): Put all subblocks under the origin block.
5459 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5461 PR rtl-optimization/27907
5462 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5465 2006-07-25 Roger Sayle <roger@eyesopen.com>
5468 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5469 bar(x) check that bar's result type can represent all the values of T.
5471 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5473 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5475 2006-07-25 Nick Clifton <nickc@redhat.com>
5477 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5478 size_lookup[] array.
5479 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5480 (ggc_pch_count_object): Likewise.
5481 (ggc_pch_alloc_object): Likewise.
5482 (ggc_pch_write_object): Likewise.
5483 (init_ggc): Do not attempt to initialize entries in the
5484 size_lookup[] array for objects whose size is greater than than
5485 the length of the array.
5487 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5489 * dbxout.c (output_used_types_helper): Push queued types
5491 (output_types_sort): New.
5492 (output_used_types): Collect used types on a VEC and sort them
5495 2006-07-24 Richard Guenther <rguenther@suse.de>
5498 * cgraph.c (cgraph_remove_node): Do not check if dumps
5500 * cgraphunit.c (cgraph_optimize): Likewise.
5502 2006-07-24 Jan Hubicka <jh@suse.cz>
5504 PR rtl-optimization/28071
5505 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5506 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5507 splitting before first stmt.
5509 2006-07-24 Jan Hubicka <jh@suse.cz>
5511 PR rtl-optimization/28071
5512 * ipa-inline.c (update_caller_keys): Remove edges that
5513 are no longer inline candidates.
5515 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5518 * dbxout.c (output_used_types_helper, output_used_types): New.
5519 (dbxout_symbol): Call output_used_types.
5521 2006-07-23 Jan Hubicka <jh@suse.cz>
5525 * cgraph.c (cgraph_varpool_nodes): Export.
5526 (decide_is_variable_needed): Ignored "used" attribute in
5527 unit-at-a-time mode.
5528 * cgraph.h (cgraph_varpool_nodes): Declare.
5529 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5530 unit-at-a-time mode.
5532 2006-07-23 Roger Sayle <roger@eyesopen.com>
5535 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5536 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5537 the __gthrw form of thr_keycreate.
5538 (__gthread_key_delete): Silence the unused argument warning.
5540 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5543 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5544 Cache the last found '\0' marker to avoid quadratic behavior.
5546 2006-07-23 Jan Hubicka <jh@suse.cz>
5548 * i386.md (subsi_3_zext): Fix output template.
5550 2006-07-21 Mike Stump <mrs@apple.com>
5552 * doc/invoke.texi (C++ Dialect Options): Note that
5553 -fvisibility-inlines-hidden doesn't affect explicitly
5554 instantiationed inline methods.
5556 2006-07-20 Roger Sayle <roger@eyesopen.com>
5558 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5559 if the target assembler is GNU binutils' gas.
5560 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5561 whether to pass GNU gas or native as command line options.
5563 2006-07-20 Jason Merrill <jason@redhat.com>
5565 * tree.c (remove_attribute): New fn.
5566 * tree.h: Declare it.
5568 2006-07-20 Paul Brook <paul@codesourcery.com>
5571 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5572 they are invalidated by this instruction.
5574 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5577 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5579 2006-07-20 Eric Christopher <echristo@apple.com>
5582 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5584 2006-07-19 Eric Christopher <echristo@apple.com>
5586 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5587 Rewrite dependencies for libgcc_s.1.dylib.
5589 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5591 * except.c (duplicate_eh_regions_1): Clear next_peer.
5593 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5595 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5596 -mlongcall does not guarantee all calls will be long.
5597 * doc/extend.texi (long_call/short_call): Document that longcall
5598 does not guarantee a long call will be used.
5599 (longcall/shortcall): Likewise.
5601 2006-07-18 Roger Sayle <roger@eyesopen.com>
5604 * expmed.c (expand_shift): Additionally check that the shift_cost
5605 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5606 before implementing a LSHIFT_EXPR as a sequence of additions.
5607 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5608 middle-end that DImode shifts need to be synthesized by expand.
5610 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5613 * tree-ssa-operands.c (access_can_touch_variable): Update
5615 Return true if ALIAS is .GLOBAL_VAR.
5617 2006-07-18 David Daney <ddaney@avtrex.com>
5619 * gcc.c (display_help): Fix typo in help text.
5621 2006-07-18 Olivier Hainque <hainque@adacore.com>
5623 * tree.h (categorize_ctor_elements): Adjust prototype and add
5624 descriptive comment, both in accordance with the interface change
5626 * varasm.c (constructor_static_from_elts_p): New function.
5627 Whether a constructor node is a valid static constant initializer
5628 if all its elements are.
5629 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5630 * output.h: Declare it.
5631 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5632 is a valid constant initializer instead of computing the number of
5633 non-constant elements. Use constructor_static_from_elts_p for this
5634 purpose. Replace the head comment with an indication that this is a
5635 helper for categorize_ctor_elements.
5636 (categorize_ctor_elements): Same interface change as for the _1
5637 helper. Former head comment from this helper moved here, adjusted to
5638 account for the interface changes.
5639 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5640 (all_zeros_p): Likewise.
5641 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5642 static versions of the constructor from the categorize_ctor_elements
5643 return value instead of the formerly computed number of non-constant
5646 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5648 * configure: Regenerate.
5649 * Makefile.in (build_libsubdir): New configure substitution
5650 (build_libobjdir): New variable.
5651 (BUILD_LIBIBERTY): Use it.
5653 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5656 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5658 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5661 * c-common.c (handle_weakref_attribute): Ignore attribute in
5662 the same conditions the alias attribute is ignored.
5664 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5666 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5667 (dbxout_begin_prologue): Increment scope_labelno.
5669 2006-07-17 Richard Henderson <rth@redhat.com>
5672 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5675 2006-07-17 Roger Sayle <roger@eyesopen.com>
5676 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5678 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5679 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5680 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5681 functions such as sbrk, write, etc.. Add function prototypes.
5682 Convert function declarations from K&R to ISO C. Cast pointers
5683 to "long" and "unsigned long" instead of "int" and "unsigned int".
5684 Convert tokens following #endif into comments.
5686 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5688 * invoke.texi: Remove mention of f77; Reformat table for
5689 inline parameter options correctly; mention that -malign-double
5690 is default on x86-64 targets.
5692 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5694 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5695 (convert_affine_scev, chrec_convert_aggressive): Use
5696 avoid_arithmetics_in_type_p. Do not check for the subtypes
5699 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5702 * optabs.c (expand_doubleword_shift): Wrap the call to
5703 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5705 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5708 * optabs.c (expand_binop): Pass next_methods rather than methods
5709 to expand_doubleword_shift.
5711 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5714 * tree.h (dump_addr): Declare.
5715 * print-tree.c (dump_addr): New function.
5716 (print_node_brief, print_node): Use it.
5717 * print-rtl.c (print_rtx): Likewise.
5718 * common.opt (-fdump-noaddr): New option.
5719 * doc/invoke.texi (-fdump-noaddr): Document.
5720 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5721 (ve_info_hash): Likewise.
5723 2006-07-13 Andrew Haley <aph@redhat.com>
5725 PR tree-optimization/19505
5726 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5727 edge leaving this block, make sure that the destination of this
5728 block has only one predecessor.
5730 2006-07-17 Richard Guenther <rguenther@suse.de>
5732 PR tree-optimization/28238
5733 * tree-inline.c (copy_bb): Check if we produced valid
5734 gimple copying and substituting a stmt. If not, gimplify
5737 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5739 * optabs.c (maybe_encapsulate_block): New function extracted from...
5740 (emit_libcall_block): ...here. Invoke it on the block of insns to
5741 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5742 (emit_no_conflict_block): Likewise.
5744 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5746 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5748 2006-07-15 Roger Sayle <roger@eyesopen.com>
5750 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5751 a new NOP_EXPR case of the switch statement.
5753 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5756 * stor-layout.c (place_field): Take the bit field with
5757 an excessive size into account in the ms-bitfiled case.
5760 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5761 the previous bit field.
5763 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5766 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5768 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5770 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5771 signal frames correctly even when the signal was installed with
5774 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5776 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5777 (dbxout_function_end): Use local label LFBB. Remove hook
5779 (dbxout_source_line): Use local label LFBB.
5780 (dbxout_block): Likewise.
5781 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5782 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5783 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5784 and DBX_OUTPUT_NFUN.
5786 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5788 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5790 2006-07-13 Jan Hubicka <jh@suse.cz>
5792 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5794 * output.h (align_variable): Declare.
5795 * varasm.c (align_variable): Export.
5796 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5797 when basic block changed.
5799 2006-07-13 Nick Clifton <nickc@redhat.com>
5801 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5802 walking the LOG_LINKS chain.
5804 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5806 * doc/invoke.texi (C++ Dialect Options): Explain difference
5807 between -fvisibility-inlines-hidden and setting hidden
5808 visibility explicitly.
5810 2006-07-12 Eric Christopher <echristo@apple.com>
5812 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5813 (stmp-lipo): Depend on libgcc.a.
5815 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5817 * tree.c: Fix a comment typo.
5819 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5821 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5823 (umulhisi3_r): Likewise.
5825 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5828 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5829 x < 19, vs wchar_t support.
5831 2006-07-12 Nick Clifton <nickc@redhat.com>
5833 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5834 instead of -isa=sh4.
5836 2006-07-12 Mike Stump <mrs@apple.com>
5838 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5840 2006-07-10 Eric Christopher <echristo@apple.com>
5842 * config/t-slibgcc-darwin: Rewrite.
5844 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5847 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5850 2006-07-08 Matthias Klose <doko@debian.org>
5852 * doc/sourcebuild.texi: Fix typo.
5854 2006-07-07 Mike Stump <mrs@apple.com>
5856 * toplev.c (process_options): Don't give -ffunction-sections may
5857 affect debugging warning for Mach-O.
5859 2006-07-07 James E Wilson <wilson@specifix.com>
5861 * config/mips/mips.md (cpu): Add sb1a.
5862 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5863 addition to sb1. Adjust comments to clarify SB-1A differences from
5865 (ir_sb1a_load): New. Modify bypasses to use it.
5866 (ir_sb1a_simple_alu): Likewise.
5867 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5868 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5869 (mips_issue_rate): Add PROCESSOR_SB1A.
5870 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5871 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5872 (TARGET_SB1): Add PROCESSOR_SB1A check.
5873 (TUNE_SB1): Likewise.
5875 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5876 * config/mips/mips.c (mips_store_data_bypass_p): New.
5877 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5878 store_data_bypass_p.
5880 2006-07-08 Paul Brook <paul@codesourcery.com>
5883 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5885 2006-07-07 Richard Guenther <rguenther@suse.de>
5888 * tree.h (build_one_cst): Declare.
5889 * tree.c (build_one_cst): New function.
5890 * tree-ssa-math-opts.c (get_constant_one): Remove.
5891 (insert_reciprocals): Use build_one_cst.
5892 * fold-const.c (fold_plusminus_mult): Likewise.
5894 2006-07-07 Roger Sayle <roger@eyesopen.com>
5896 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5897 * cfgloopanal.c (dump_graph): Likewise.
5898 * dojump.c (discard_pending_stack_adjust): Likewise.
5899 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5901 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5902 * function.c (finalize_block_changes): Likewise.
5903 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5904 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5905 * rtl.c (dump_rtx_statistics): Likewise.
5906 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5908 * varray.c (dump_varray_statistics): Likewise.
5909 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5910 decode_decimal64, encode_decimal128, decode_decimal128,
5911 decimal_real_to_decimal): Likewise.
5913 2006-07-07 Richard Guenther <rguenther@suse.de>
5915 PR tree-optimization/28187
5916 * tree-vrp.c (vrp_operand_equal_p): New function.
5917 (vrp_bitmap_equal_p): Likewise.
5918 (update_value_range): Use them to compare old and new
5921 2006-07-06 Roger Sayle <roger@eyesopen.com>
5923 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5924 a default case to switch statement to silence compiler warnings.
5926 2006-07-06 Roger Sayle <roger@eyesopen.com>
5929 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5930 the configured assembler supports the x87's ffreep mnemonic.
5931 * configure: Regenerate.
5932 * config.in: Regenerate.
5934 * config/i386/i386.c (output_387_ffreep): New function.
5935 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5936 (output_387_reg_move): Likewise.
5938 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5940 Port to hosts whose 'sort' and 'tail' implementations
5941 treat operands with leading '+' as file names, as POSIX
5942 has required since 2001. However, make sure the code still
5943 works on pre-POSIX hosts.
5944 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5945 which says you should use "tail -c +N" rather than "tail +Nc".
5946 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5948 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5950 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5953 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5956 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5957 PRE_{INC,DEC} of TFmode.
5959 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5960 Alan Modra <amodra@bigpond.net.au>
5963 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5966 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5969 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5970 Remove duplicate gtu.
5972 2006-07-05 Jason Merrill <jason@redhat.com>
5976 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5977 * c-common.c (handle_packed_attribute): So don't copy it here.
5978 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5980 2006-07-05 Mike Stump <mrs@apple.com>
5982 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5984 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5987 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5989 2006-07-05 Richard Guenther <rguenther@suse.de>
5992 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5993 TARGET_SSE2 targets if using SSE math.
5994 (*absdf2_1): Likewise.
5996 2006-07-05 Richard Guenther <rguenther@suse.de>
5998 PR tree-optimization/28162
5999 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6000 make sure to convert the operands to the correct type.
6002 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6004 PR tree-optimization/28218
6006 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6007 to calculate and free the dominator information.
6009 2006-07-04 Peter O'Gorman <peter@pogma.com>
6011 * mklibgcc.in: chmod 644 before ranlib during install.
6013 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6014 J"orn Rennecke <joern.rennecke@st.com>
6016 * configure.ac (.eh_frame data check): Use diff -b.
6018 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6021 * Makefile.in (BUILD_RTL): Add build/vec.o.
6022 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6023 (build/genextract): Delete.
6024 (build/genautomata): Likewise.
6026 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6029 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6030 128-bit IBM long doubles for ABI_V4.
6032 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6034 * tree.c (range_in_array_bounds_p): New predicate.
6035 * tree.h (range_in_array_bounds_p): Declare it.
6036 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6037 return a less conservative answer.
6038 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6039 and flag 'is_group'.
6040 (IS_ELEMENT_FOR_GROUP): New macro.
6041 (FOR_EACH_ACTUAL_CHILD): Likewise.
6042 (next_child_for_group): New helper function.
6043 (can_completely_scalarize_p): Take into account groups.
6044 (sra_hash_tree): Handle RANGE_EXPR.
6045 (sra_elt_eq): Likewise.
6046 (lookup_element): Be prepared for handling groups.
6047 (is_valid_const_index): Delete.
6048 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6049 instead of is_valid_const_index.
6050 <ARRAY_RANGE_REF>: New case.
6051 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6052 is_valid_const_index.
6053 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6054 (scan_dump): Dump info for groups too.
6055 (decide_instantiation_1): Likewise.
6056 (decide_block_copy): Assert that the element is not a group.
6057 Propagate decision to groups.
6058 (generate_one_element_ref): Handle RANGE_EXPR.
6059 (mark_no_warning): Iterate over actual childs.
6060 (generate_copy_inout): Likewise.
6061 (generate_element_copy): Likewise.
6062 (generate_element_zero): Likewise.
6063 (generate_element_init_1): Likewise.
6064 (dump_sra_elt_name): Handle RANGE_EXPR.
6066 2006-07-03 Roger Sayle <roger@eyesopen.com>
6068 PR tree-optimization/26251
6069 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6070 (thread_block): When optimizing for size refuse to thread jumps
6071 that would require duplication of blocks other than redirection
6074 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6076 * configure.ac: Fix thinko in previous check-in.
6077 * configure: Regenerate.
6079 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6082 * configure.ac (for lang...): Simplify nesting of conditionals.
6083 Test subdir_requires for non-enabled languages. Move processing
6084 of lang_opt_files and lang_tree_fiels below that test.
6085 * configure: Regenerate.
6086 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6088 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6090 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6092 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6094 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6097 2006-06-29 Jason Merrill <jason@redhat.com>
6104 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6105 * c-common.c (c_determine_visibility): Handle it here.
6106 * c-decl.c (finish_decl): Call c_determine_visibility for
6108 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6110 * varasm.c (default_assemble_visibility): Likewise.
6111 * c-common.c (handle_visibility_attribute): Complain about trying
6112 to give visibility to an already defined class, or trying to change
6113 declared visibility. Always attach the attribute.
6118 * attribs.c (decl_attributes): Ignore type-in-place attributes
6119 once the type has been defined.
6121 2006-06-29 Roger Sayle <roger@eyesopen.com>
6124 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6125 to indicate the cpplib has issued an error message for us.
6127 2006-06-29 Asher Langton <langton2@llnl.gov>
6130 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6131 insert a label at the end of an function under Mach-O.
6133 2006-06-29 Eric Christopher <echristo@apple.com>
6134 Evan Cheng <evan.cheng@apple.com>
6136 * predicates.md (vector_all_ones_operand): New.
6137 (nonimmediate_or_sse_const_operand): Ditto.
6138 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6139 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6140 (standard_sse_mode_p): Ditto.
6141 (standard_sse_constant_p): Add case for -1 vector.
6142 (ix86_expand_vector_move): Try to use.
6143 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6144 Call standard_sse_constant_opcode.
6145 (*movv4sf_internal): Ditto.
6146 (*movv2df_internal): Ditto.
6148 2006-06-29 Roger Sayle <roger@eyesopen.com>
6150 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6151 of XEXP to extract the operands of a MATCH_CODE rtx.
6153 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6155 * tree.c (tree_size): Do not waste tail padding in
6156 struct tree_string and make the size be the same as
6157 build_string will generate.
6159 2006-06-28 Jason Merrill <jason@redhat.com>
6162 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6163 may_aliases already in the tag's annotations to the bitmap.
6165 2006-06-28 Roger Sayle <roger@eyesopen.com>
6167 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6169 2006-06-28 Roger Sayle <roger@eyesopen.com>
6171 * genpreds.c (generate_switch_p): New function.
6172 (add_mode_tests): Push the new mode test down inside an AND expr
6173 if this allows the switch-suitable MATCH_CODE to be near the root.
6174 (write_match_code_switch): New function to write a MATCH_CODE as
6176 (write_predicate_stmts): New function to write a predicate RTX
6177 expression as a sequence of statements.
6178 (write_one_predicate_function): Use write_predicate_stmts.
6179 (write_tm_constrs_h): Likewise.
6181 2006-06-26 Fred Fish <fnf@specifix.com>
6183 * config/mips/t-sb1: New file.
6184 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6187 2006-06-26 DJ Delorie <dj@redhat.com>
6189 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6191 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6192 Jayant Sonar <jayants@kpitcummins.com>
6193 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6195 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6196 (subsi3, subsi3_1, subsi3_2): New.
6197 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6198 * config/m32c/mov.md (SI mov peephole): New.
6199 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6200 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6202 2006-06-26 Olivier Hainque <hainque@adacore.com>
6204 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6205 a CALL_EXPR target function declaration.
6207 2006-06-26 Richard Guenther <rguenther@suse.de>
6209 * tree.c (build_string): Do not waste tail padding in
6212 2006-06-26 Richard Guenther <rguenther@suse.de>
6214 * ggc-page.c (init_ggc): Add missing element to size_lookup
6218 2006-06-23 Richard Guenther <rguenther@suse.de>
6220 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6221 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6222 alignment requests instead. Add verification code.
6223 Add struct tree_function_decl and struct tree_binfo size to
6224 extra_order_size_table. Add missing element to size_lookup
6227 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6230 * fold-const.c (const_binop): Be prepared for self returning zero.
6231 Simplify code handling complex values.
6233 2006-06-24 Olivier Hainque <hainque@adacore.com>
6235 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6236 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6239 2006-06-24 Olivier Hainque <hainque@adacore.com>
6241 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6242 ARRAY_REF, so have the callback called for the low bound expression.
6244 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6246 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6247 * c-typeck.c (c_common_type): Disallow operations on decimal float
6248 types and other float types.
6249 * convert.c (convert_to_real): Don't ignore conversions involving
6250 decimal float types.
6252 2006-06-23 Olivier Hainque <hainque@adacore.com>
6254 * tree.c (max_int_size_in_bytes): New function, inspired from
6255 code in function.c:assign_temp.
6256 * tree.h (max_int_size_in_bytes): Declare.
6257 * function.c (assign_temp): Use it.
6258 * gimplify.c (create_tmp_var): Relax the assertions on the type
6259 properties, not mandating constant size any more.
6260 (force_constant_size): New static function.
6261 (gimple_add_tmp_var): Use it, forcing variable size to a
6262 constant upper bound if it is not constant on entry.
6264 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6267 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6268 for initialization and setting of one_only flag to ...
6269 (i386_pe_encode_section_info): ...here.
6270 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6271 Recheck that the symbol has not been defined.
6273 2006-06-23 Richard Guenther <rguenther@suse.de>
6275 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6276 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6277 alignment requests instead. Add verification code.
6278 Add struct tree_function_decl and struct tree_binfo size to
6279 extra_order_size_table. Add missing element to size_lookup
6282 2006-06-22 Roger Sayle <roger@eyesopen.com>
6283 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6286 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6287 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6289 2006-06-23 Ben Elliston <bje@au.ibm.com>
6291 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6292 negate dn -- manipulate it directly.
6294 2006-06-22 Roger Sayle <roger@eyesopen.com>
6295 Steven Bosscher <stevenb.gcc@gmail.com>
6298 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6299 generated by gen_move_insn to add REG_LABEL notes if necessary.
6301 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6303 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6304 (leaf_entry): Remove use of MIN_ESA.
6306 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6308 PR rtl-optimization/28121
6309 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6312 2006-06-21 DJ Delorie <dj@redhat.com>
6314 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6316 (mulhisi3_r): Likewise.
6318 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6321 * coverage.c (coverage_counter_alloc): Leave the index type
6323 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6326 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6328 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6329 section from the "Options for Code Generation Conventions".
6331 2006-06-21 Richard Henderson <rth@redhat.com>
6335 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6337 (global_symbolic_operand): Allow weak symbols, even if local_p.
6339 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6341 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6342 (find_interesting_uses_address): Punt if above function returns true.
6344 2006-06-21 Richard Guenther <rguenther@suse.de>
6346 * configure: Regenerated.
6348 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6350 * config/mips/mips.c (function_arg): Where one part of a
6351 complex argument is in registers and the other part in the stack,
6352 return a REG not a PARALLEL.
6354 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6356 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6357 when cross-compiling. Do not substitute libstdcxx_incdir.
6358 * configure: Regenerated.
6360 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6362 * varasm.c (mergeable_string_section): Check for embedded NULs and
6363 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6364 rather than TREE_STRING_LENGTH bytes.
6366 2006-06-21 Richard Guenther <rguenther@suse.de>
6368 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6369 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6372 2006-06-21 Richrad Guenther <rguenther@suse.de>
6374 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6375 Limit iteration over the dominators.
6377 2006-06-20 Roger Sayle <roger@eyesopen.com>
6379 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6380 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6382 2006-06-20 Richard Guenther <rguenther@suse.de>
6383 Michael Matz <matz@suse.de>
6385 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6387 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6388 * et-forest.h (et_free_pools): Prototype new function.
6389 * et-forest.c (et_free_tree_force): Free parent occurrence.
6390 (et_free_pools): New function.
6391 * dominance.c (free_dominance_info): Free et-forest alloc
6394 2006-06-20 Roger Sayle <roger@eyesopen.com>
6396 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6397 integer modes, attempt to directly construct an integer constant.
6399 * fold-const.c (native_encode_vector): Determine the size of each
6400 element from the vector type instead of the first vector element.
6402 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6403 if all of its elements/components are constant.
6404 (build_constructor_from_list): Likewise.
6406 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6408 PR tree-optimization/27331
6409 * tree-data-ref.c (free_data_ref): New function.
6410 (create_data_ref): Fail if the data reference has unknown access
6412 (free_data_refs): Use free_data_ref.
6414 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6417 * tree-inline.c (setup_one_parameter): Strip useless
6418 type conversion before adding it to the IR.
6419 (declare_return_variable): Likewise.
6421 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6424 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6426 2006-06-19 Mike Stump <mrs@apple.com>
6428 * tree.c (variably_modified_type_p): VM arguments don't make the
6431 2006-06-19 Richard Guenther <rguenther@suse.de>
6433 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6434 type conversions after folding.
6436 2006-06-19 Richard Guenther <rguenther@suse.de>
6438 * ggc-page.c (extra_order_size_tab): Add entries with
6439 size of struct function and basic_block.
6440 (size_lookup): Extend to cover sizes up to 511.
6441 (ggc_alloc_stat): Adjust user.
6442 (ggc_pch_count_object): Likewise.
6443 (ggc_pch_alloc_object): Likewise.
6444 (ggc_pch_write_object): Likewise.
6446 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6448 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6449 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6452 2006-06-19 Denis Chertykov <denisc@overta.ru>
6454 * config/avr/libgcc.S : Correct my wrong previous commit.
6456 2006-06-19 Roger Sayle <roger@eyesopen.com>
6459 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6460 have stripped a SUBREG from the shift count, so we may need to
6461 convert_to_mode back to the type's mode before calling make_tree.
6462 Use new_amount instead of amount to avoid expanding a tree twice.
6464 2006-06-19 Richard Guenther <rguenther@suse.de>
6467 * fold-const.c (operand_equal_p): Check if the argument types
6468 have the same precision before stripping NOPs.
6470 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6472 Fix PR tree-optimization/27341
6473 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6475 * tree-complex.c (pass_lower_complex): Update SMT usage.
6477 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6479 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6480 Add a new alternative to the constraint strings. Add move of
6481 operand 1 to 3 to the splitter definition.
6482 ("doloop_si_long"): Second contraint alternative removed.
6484 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6486 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6487 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6489 (AVR_HAVE_MOVW) Define.
6490 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6491 (ASM_SPEC): Add avr25.
6492 (LINK_SPEC): Add avr25.
6493 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6494 (base_arch_s): Add new member 'have_movw_lpmx'.
6495 (avr_arch_types): Init 'have_movw_lpmx'.
6496 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6497 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6498 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6499 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6500 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6502 (avr_file_start): Do not output '.arh' derective.
6503 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6504 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6505 * config/avr/avr.md (mcu_enhanced): Delete.
6506 (mcu_have_movw): Define.
6507 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6508 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6509 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6510 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6511 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6512 attiny861 and at86rf401 devices.
6514 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6516 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6519 2006-06-17 Karl Berry <karl@gnu.org>
6521 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6522 doc/gccint.texi, doc/install.texi (@dircategory): Use
6523 "Software development" instead of "Programming", following
6524 the Free Software Directory.
6526 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6528 * config/i386/i386.c (legitimate_tls_address)
6529 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6530 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6531 (*tls_dynamic_gnu2_combine_64): Likewise.
6533 2006-06-16 Richard Guenther <rguenther@suse.de>
6536 * fold-const.c (negate_expr_p): Do not introduce undefined
6537 overflow in negating INTEGER_CSTs.
6538 (fold_negate_expr): Rename from negate_expr. Revert last
6539 change for folding BIT_NOT_EXPR. Change semantics to
6540 return NULL_TREE for non-simplified negations. Do not
6541 strip type conversions and unify type handling.
6542 (negate_expr): New function, wrap around fold_negate_expr
6543 but ensure building a tree always. Strip type conversions
6544 here, fold to result type.
6545 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6547 2006-06-16 Roger Sayle <roger@eyesopen.com>
6550 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6551 that (would) return their results in stack registers.
6553 2006-06-16 Michael Matz <matz@suse.de>
6554 Richard Guenther <rguenther@suse.de>
6556 * fold-const.c (fold_truthop): Only return new tree node if
6557 we canonicalized something.
6559 2006-06-16 Richard Guenther <rguenther@suse.de>
6561 * function.h (enum function_frequency): Move declaration
6562 out of struct function.
6563 (struct function): Move bool fields and the enum to the bitfield
6564 section. Reorder elements to avoid padding. Remove unused
6565 fields left over from the RTL inliner removal.
6566 * function.c (free_after_compilation): Do not zero removed fields.
6567 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6568 (ipa-type-escape.o): Likewise.
6570 2006-06-16 Richard Guenther <rguenther@suse.de>
6572 * cgraph.h (struct cgraph_local_info): Turn bool elements
6574 (struct cgraph_node): Likewise.
6575 (struct cgraph_varpool_node): Likewise.
6577 2006-06-15 Richard Guenther <rguenther@suse.de>
6579 * fold-const.c (fold_truth_not_expr): Rename from
6580 invert_truthvalue. Give it fold_* semantics to avoid
6582 (invert_truthvalue): New function. Wrapper around
6583 fold_truth_not_expr.
6584 (optimize_minmax_comparison): Avoid creating garbage.
6585 (fold_unary): Use fold_truth_not_expr for folding
6587 (fold_ternary): Replace uses of invert_truthvalue with
6588 fold_truth_not_expr where applicable.
6589 * tree.h (fold_truth_not_expr): Prototype.
6591 2006-06-16 Richard Guenther <rguenther@suse.de>
6593 PR tree-optimization/27781
6594 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6595 * ipa-pure-const.c (target.h): Include.
6596 (analyze_function): Do not analyze functions that do not
6599 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6602 * tree-dfa.c (referenced_vars_dup_list): Remove.
6603 (find_referenced_vars): Remove assert.
6604 (referenced_var_check_and_insert): Replace dup list with assert.
6605 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6606 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6608 2006-06-15 Richard Guenther <rguenther@suse.de>
6610 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6611 extra unused identifiers if not dumping.
6612 (create_variable_info_for): Likewise.
6614 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6616 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6617 (derive_constant_upper_bound): Derive more precise upper bound in
6618 common cases. Return type changed to double_int.
6619 (record_estimate): Reflect the changed return type of
6620 derive_constant_upper_bound.
6621 * double-int.c (double_int_zext, double_int_sext): Fix.
6623 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6625 * configure.ac (CFLAGS): Get them from the toplevel or from the
6626 configure invocation.
6627 * configure: Regenerate.
6628 * Makefile.in (CFLAGS): Substitute value provided by configure.
6630 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6633 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6634 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6635 rather than calling add_stmt on it.
6636 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6638 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6641 * reload1.c (reload): Remove registers returned by update_eliminables
6642 from used_spill_regs.
6644 2006-06-13 DJ Delorie <dj@redhat.com>
6646 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6648 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6650 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6651 html__strip_dir, html__mkdir_p. Enhance install-html target.
6652 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6653 * configure: Regenerate.
6655 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6657 * fold-const.c (fold_cond_expr_with_comparison): Check for
6658 Objective-C++ as language in deciding COND_EXPR transformation.
6660 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6663 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6664 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6665 * config/sh/lib1funcs.h (SL, SL1): Define.
6666 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6667 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6668 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6669 (OBJS_Os_4_200): New variable.
6670 ($(T)libgcc-Os-4-200.a): Use it.
6671 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6672 when dividing 1 and/or by 0.
6674 2006-06-13 Roger Sayle <roger@eyesopen.com>
6676 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6677 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6678 * configure: Regenerate.
6680 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6682 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6683 for real instruction.
6685 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6688 * haifa-sched.c (check_cfg): Handle special case.
6690 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6693 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6694 Add debug_info parameter. Chain the vars to the BLOCK instead
6695 of the BIND_EXPR if debug info are requested for them.
6696 (pop_gimplify_context): Adjust for above change.
6697 (gimple_add_tmp_var): Likewise.
6698 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6700 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6701 (convert_local_reference): Likewise.
6702 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6703 (finalize_nesting_tree_1): Request that debug info be emitted
6704 for debug_var_chain.
6706 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6708 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6709 for PR target/27863.
6711 2006-06-13 Richard Guenther <rguenther@suse.de>
6714 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6716 2006-06-13 Richard Guenther <rguenther@suse.de>
6718 PR tree-optimization/27830
6719 * tree-inline.c (copy_body_r): For copying the operand
6720 of an ADDR_EXPR make sure to fold &* afterwards.
6722 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6724 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6725 lvalues in the fb_none case with side-effects.
6727 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6729 * tree-flow.h: Remove the prototype for
6730 compute_phi_arg_on_exit.
6731 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6732 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6735 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6737 * builtins.c (expand_builtin_return_addr): Only use
6738 frame_pointer_rtx when count == 0 and we are expanding
6739 __builtin_return_address.
6741 2006-06-12 Fred Fish <fnf@specifix.com>
6743 * config/mips/mips.c (mips_file_start): Create special section
6744 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6746 2006-06-11 Eric Christopher <echristo@apple.com>
6749 * stor-layout.c (place_field): Remove check for
6750 remaining_in_alignment when aligning at the end of a run.
6752 2006-06-11 Eric Christopher <echristo@apple.com>
6755 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6758 2006-06-11 Roger Sayle <roger@eyesopen.com>
6761 Revert incorrect fix for PR target/27158
6762 2006-05-08 Roger Sayle <roger@eyesopen.com>
6763 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6764 of a reg_equiv_constant if the result is a legitimate constant.
6766 2006-06-11 Roger Sayle <roger@eyesopen.com>
6769 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6770 extract a CONST_VECTOR element and interpret it as an integer.
6771 (vspltis_constant): Use const_vector_elt_as_int instead of the
6772 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6773 * config/rs6000/predicates.md (easy_vector_const): Consider
6774 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6776 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6779 * stor-layout.c (update_alignment_for_field): Don't add extra
6780 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6783 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6785 * config/mips/t-rtems: Add EL/EB multilib variants.
6787 2006-06-09 Mike Stump <mrs@apple.com>
6789 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6791 2006-06-09 David Daney <ddaney@avtrex.com>
6793 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6795 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6797 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6799 2006-06-09 Richard Guenther <rguenther@suse.de>
6801 PR tree-optimization/26998
6802 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6803 of signed types, only TYPE_MIN_VALUE is special, but for both,
6804 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6805 in this case, as is -fwrapv.
6807 2006-06-08 Mike Stump <mrs@apple.com>
6810 * config/darwin.c (darwin_asm_output_anchor): Disable
6811 -fsection-anchors on darwin for now.
6812 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6813 * rs6000/rs6000.c (optimization_options): Likewise.
6815 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6818 * config/i386/i386.c (classify_argument): Skip fields with invalid
6821 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6823 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6824 (cse_insn): Likewise for the stack_pointer_rtx.
6826 2006-06-08 Roger Sayle <roger@eyesopen.com>
6828 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6829 conditions from floating point comparisons.
6831 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6834 * expmed.c (struct alg_hash_entry): Fix type of field T
6835 to match synth_mult argument.
6836 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6838 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6841 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6844 2006-06-08 Richard Guenther <rguenther@suse.de>
6847 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6848 only, if overflow is defined and not trapping.
6849 (negate_expr): Likewise.
6851 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6853 PR tree-optimization/27872
6854 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6855 flag on the new exit edge of the unrolled loop.
6857 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6859 PR rtl-optimization/26449
6860 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6862 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6865 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6866 referenced_variables with matching DECL_UID's.
6867 (find_referenced_vars): Make sure duplicate list is empty to start.
6868 (referenced_var_p): Remove.
6869 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6870 Check if var is in the list, and add if needed. Update the duplicate
6871 list if a different var is in the list with the same DECL_UID.
6872 (add_referenced_var): Call routine to check and insert.
6873 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6874 * tree-flow.h (referenced_vars_dup_list): External declaration.
6876 2006-06-07 Fred Fish <fnf@specifix.com>
6878 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6881 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6884 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6885 the imaginary and real parts of a clobbered register.
6886 Emit insn to set the imaginary part.
6888 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6890 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6891 in lieu of unwind-dw2-fde.c.
6893 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6895 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6897 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6900 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6901 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6902 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6903 V4SImode temporaries and operations instead.
6905 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6907 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6910 2006-06-06 Mike Stump <mrs@apple.com>
6912 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6913 installing during build.
6915 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6917 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6919 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6920 * config/ia64/ia64.c (params.h): New header.
6921 (ia64_optimization_options): New function to adjust parameters.
6922 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6923 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6924 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6926 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6928 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6930 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6933 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6935 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6936 Victor Kaplansky <victork@il.ibm.com>
6938 PR tree-optimization/26360
6939 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6942 2006-06-04 Roger Sayle <roger@eyesopen.com>
6943 Andrew Pinski <pinskia@physics.uc.edu>
6946 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6947 for LABEL_DECL before calling DECL_WEAK.
6950 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6951 LABEL_DECL and PARM_DECL.
6953 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6957 * c-decl.c (grokdeclarator): Disallow variably modified types at
6958 file scope. Avoid marking shared array type of constant size as
6961 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6964 * c-common.c (fold_offsetof_1): Handle static members.
6966 2006-06-04 Eric Christopher <echristo@apple.com>
6968 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6969 (debug_rli): Output value for remaining_in_alignment.
6970 (update_alignment_for_field): Unconditionalize
6971 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6972 extra alignment code.
6973 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6974 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6975 * tree.h (record_layout_info_s): Remove prev_packed.
6976 * doc/extend.texi (ms_struct): Add documentation of format.
6978 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6980 * tree.h: Declare folding_initializer.
6981 * builtins.c (fold_builtin_constant_p): Give definite answer
6982 if folding inside an initializer.
6983 * fold-const.c: Define folding_initializer.
6984 (START_FOLD_INIT): Save and then set folding_initializer.
6985 (END_FOLD_INIT): Restore folding_initializer.
6987 2006-06-04 Richard Guenther <rguenther@suse.de>
6989 PR tree-optimization/27039
6990 * fold-const.c (fold_comparison): Handle pointer comparison
6991 again for all comparison codes. Compare offsets in signed
6993 (fold_binary): Move code from here.
6995 2006-06-03 Roger Sayle <roger@eyesopen.com>
6998 * config/i386/i386.c (construct_container): Split static issued_error
6999 flag into issued_sse_arg_error, issued_sse_ret_error and
7000 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7001 requires the use of x87 registers and the user explicitly
7002 specified the -mno-80387 command line option.
7004 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7006 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7007 HAVE_DECL_SIGALTSTACK.
7009 (segv_handler): Use MC_FLD.
7010 * configure.ac: Check for a sigaltstack declaration.
7011 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7012 * configure: Regenerate.
7013 * config.in: Regenerate.
7015 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7018 * Makefile.in (stmp-fixinc): Fix typo.
7020 2006-06-02 Roger Sayle <roger@eyesopen.com>
7022 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7023 are type correct. Clean-up.
7024 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7025 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7027 2006-06-01 DJ Delorie <dj@redhat.com>
7029 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7030 shift, as we've disabled the "switch" insn that needs it.
7032 2006-06-01 Per Bothner <bothner@bothner.com>
7034 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7035 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7036 * c-ppoutput.c (cb_define): Don't increment line 0.
7038 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7040 * doc/invoke.texi: Add cpu_type power6.
7041 * config.gcc: Add cpu_type power6.
7042 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7043 to power5+ with Altivec.
7044 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7045 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7047 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7049 * config/avr/avr.h (SET_ASM_OP): Define.
7051 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7053 * config/bfin/bfin.c: Fix comment typos.
7055 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7058 * doc/install.texi: Document --enable-bootstrap and
7059 --disable-bootstrap.
7061 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7063 * doc/install.texi: Document that InfoZIP can replace jar.
7065 2006-05-31 Roger Sayle <roger@eyesopen.com>
7067 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7068 isn't available, directly generate the simpler x87 patterns without
7069 the (use (const_int 0)).
7070 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7071 implementation isn't available.
7072 (*negdf2_1): Likewise.
7073 (*negxf2_1): XF mode negation is always done using the x87.
7074 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7076 2006-05-31 Roger Sayle <roger@eyesopen.com>
7078 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7079 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7081 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7083 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7085 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7086 * config/bfin/bfin.c (basic-block.h): Include.
7087 (struct machine_function): New.
7088 (bfin_init_machine_status): New.
7089 (override_options): Initialize init_machine_status.
7090 (bfin_hardware_loop): New.
7091 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7092 (DEF_VEC_P (loop_info)): New.
7093 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7094 (struct loop_info): New.
7095 (loop_info): New typedef.
7096 (struct loop_work): New.
7097 (loop_work): New typedef.
7098 (DEF_VEC_O (loop_work)): New.
7099 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7100 (bfin_dump_loops): New.
7101 (bfin_bb_in_loop): New.
7102 (bfin_scan_loop): New.
7103 (bfin_optimize_loop): New.
7104 (bfin_reorg_loops): New.
7105 (bfin_reorg): Use bfin_reorg_loops.
7106 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7108 (I_REGNO_P): Simplify.
7109 (DP_REGNO_P, DPREG_P): New macros.
7110 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7111 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7112 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7113 Add LT_REGS, LC_REGS, LB_REGS.
7114 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7116 (REGNO_REG_CLASS): Deal with loop registers.
7117 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7119 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7120 New constants for loop registers.
7121 (UNSPEC_LSETUP_END): New.
7122 (seq_insns): New define_attr. Set it for appropriate insns.
7123 (movsi_insn): Add alternatives for move from/to
7124 loop count registers.
7125 (doloop_end): New define_expand.
7126 (loop_end): New define_insn.
7127 (define_split for bad doloop_end): New.
7128 (lsetup_with_autoinit): New define_insn.
7129 (lsetup_without_autoinit): New define_insn.
7130 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7131 * config/bfin/predicates.md (lc_register_operand): New.
7132 (lt_register_operand): New.
7133 (lb_register_operand): New.
7134 (nondp_register_operand): New.
7135 (nondp_reg_or_memory_operand): New.
7136 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7138 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7140 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7141 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7143 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7145 * Makefile.in (CATALOGS): Add po/ prefix.
7146 * configure: Regenerated.
7148 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7151 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7152 a shift operand before calling shift_op. Avoid redundant call of
7155 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7156 DJ Delorie <dj@redhat.com>
7158 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7159 we're inserting is a singlt-bit constant.
7161 2006-05-30 Roger Sayle <roger@eyesopen.com>
7163 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7164 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7166 2006-05-30 Roger Sayle <roger@eyesopen.com>
7168 PR tree-optimization/23452
7169 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7170 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7171 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7172 complex values and with -ffast-math for FP complex values.
7174 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7176 * c-common.h: Remove the prototype for yyparse.
7177 * rtl.h: Remove the prototype for init_loop.
7179 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7181 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7184 2006-05-30 Roger Sayle <roger@eyesopen.com>
7186 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7188 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7189 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7191 2006-05-30 Dirk Mueller <dmueller@suse.de>
7194 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7195 for CONSTANT_CLASS_P expresisons.
7197 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7200 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7202 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7204 PR tree-optimization/27779
7205 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7206 initial_condition instead of CHREC_LEFT.
7208 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7210 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7211 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7212 Make prototypes ISO C90.
7214 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7215 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7217 * see.c (see_analyze_one_def): Correct check.
7218 (see_get_extension_data): Check if extension is parallel.
7219 (see_get_extension_reg): Likewise.
7221 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7224 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7225 into register for (code == GTU).
7227 2006-05-29 Roger Sayle <roger@eyesopen.com>
7229 PR tree-optimization/24964
7230 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7231 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7232 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7233 abs(x)*abs(x) as x*x for scalar floating point modes.
7235 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7238 * lambda-code.c (perfect_nestify): Don't copy statements
7239 in the inner loop: move them to the inner loop header.
7241 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7244 * c-tree.texi: Document OpenMP directives and clauses.
7246 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7248 * varasm.c (globalize_decl): Fix indentation.
7250 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7253 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7254 pass_fre, pass_store_ccp, pass_copy_prop,
7255 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7256 pass_return_slot, pass_object_size, pass_lim,
7257 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7258 pass_loop_prefetch and pass_stdarg.
7260 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7262 * config/bfin/bfin.opt (mfdpic): New option.
7263 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7264 (EXTRA_MULTILIB_PARTS): Likewise.
7265 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7266 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7268 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7269 (CRT_CALL_STATIC_FUNCTION): New.
7270 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7272 (CRT_CALL_STATIC_FUNCTION): New.
7273 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7275 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7276 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7277 (initialize_trampoline): Changed to handle FD-PIC code generation.
7278 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7279 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7280 (override_options): Disallow -mid-shared-library -mfdpic combination.
7281 Can't do unaligned ops if FD-PIC.
7282 Turn off flag_pic if trying to generate non-id-shared-library
7283 non-fdpic code, since it's not supported.
7284 (bfin_assemble_integer): New function.
7285 (TARGET_ASM_INTEGER): Define.
7286 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7288 * config/bfin/crtn.s: Restore them.
7289 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7291 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7292 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7293 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7294 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7295 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7297 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7298 FDPIC_REGS and FDPIC_FPTR_REGS.
7299 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7300 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7301 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7302 (load_funcdescsi): New pattern.
7303 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7304 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7305 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7307 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7309 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7312 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7314 * tree-flow.h: Remove the prototype for add_type_alias.
7315 * tree-ssa-alias.c (add_type_alias): Remove.
7317 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7319 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7320 config/fr30/fr30.md, config/i386/i386-interix.h,
7321 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7322 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7323 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7324 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7325 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7326 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7327 Follow spelling conventions.
7328 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7329 Follow spelling conventions.
7331 2006-05-27 Richard Guenther <rguenther@suse.de>
7334 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7335 to produce a constant of value 1 of generic type.
7337 2006-05-27 Dirk Mueller <dmueller@suse.de>
7339 * cgraphunit.c (decide_is_function_needed): Fix wrong
7342 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7344 PR rtl-optimization/27661
7345 * reload.c (find_reloads): When reloading a VOIDmode constant
7346 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7347 use Pmode as mode of the reload register.
7349 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7351 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7352 is enabled at -O and above.
7354 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7357 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7360 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7363 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7364 for anonymous variables explicitly declared by front ends.
7366 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7368 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7369 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7370 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7371 ref-all pointers, run a finalization pass for them.
7372 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7373 (finalize_ref_all_pointers): New function.
7374 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7375 regular pointer type to a ref-all pointer type.
7376 (get_tmt_for): Return the special memory tag for ref-all pointers.
7378 2006-05-25 Richard Guenther <rguenther@suse.de>
7381 * fold-const.c (fold_binary): Do not look at the stripped
7382 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7384 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7386 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7387 for LT and GT if the computed range is effectively empty.
7389 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7392 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7393 mips_quad_format formats instead of ieee_single_format,
7394 ieee_double_format and ieee_quad_format formats, respectively.
7396 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7398 PR tree-optimization/27639
7399 PR tree-optimization/26719
7400 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7401 call to scev_probably_wraps_p.
7402 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7403 used_in_pointer_arithmetic_p, convert_step): Removed.
7404 (nowrap_type_p): New function.
7405 (scev_probably_wraps_p): Rewritten.
7406 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7407 chrec_convert if chrec_convert_aggressive might have been used.
7408 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7409 scev_direction): New functions.
7410 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7411 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7412 instead of convert_step.
7413 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7414 (convert_step): Declaration removed.
7415 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7417 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7419 * df-core.c: Added to header comments.
7420 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7421 df_ur_bb_info, df_urec_bb_info): Added comments.
7422 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7423 urec, ri problems): Fixed header comments.
7424 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7425 code from df_rd_transfer_function.
7427 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7429 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7430 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7431 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7433 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7435 * expr.c (undefined_operand_subword_p): New.
7436 (emit_move_multi_word): Do not generate move from undefined bits
7437 of a paradoxical subreg.
7439 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7441 PR rtl-optimization/27736
7442 * combine.c (replaced_rhs_value): New variable.
7443 (combine_instructions): Set it.
7444 (distribute_notes): When distributing a note in replaced_rhs_insn,
7445 check whether the value was used in replaced_rhs_value.
7447 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7450 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7451 add_referenced_var instead of add_referenced_tmp_var.
7452 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7453 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7455 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7456 tree_optimize_tail_calls_1): Use add_referenced_var.
7457 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7458 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7459 Use add_referenced_var.
7460 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7461 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7462 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7463 Use add_referenced_var.
7464 * tree-dfa.c (struct walk_state): Remove.
7465 (find_referenced_vars): Remove walk state and vars_found hash table.
7466 (make_rename_temp): Use add_referenced_var.
7467 (find_vars_r): Pass less parameters to add_referenced_var.
7468 (referenced_var_p): New. Is var in referenced_var hash table.
7469 (referenced_var_insert): Assert var isn't already in hash table.
7470 (add_referenced_var): Don't need walk_state parameter. Add var if it
7471 isn't already in the hash table.
7472 (add_referenced_tmp_var): Remove.
7473 (find_new_referenced_vars_1): Use add_referenced_var.
7474 * tree-ssa-pre.c (create_expression_by_pieces,
7475 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7476 Use add_referenced_var.
7477 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7478 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7479 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7481 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7482 vect_create_data_ref_ptr, vect_create_destination_var,
7483 vect_init_vector, vect_build_loop_niters,
7484 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7485 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7486 Use add_referenced_var.
7487 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7488 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7489 (add_referenced_var): Add prototype.
7490 * tree-ssa-structalias.c (get_constraint_for,
7491 intra_create_variable_infos): Use add_referenced_var.
7493 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7495 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7496 big-endian paradoxical subregs.
7497 * var-tracking.c (struct micro_operation_def): Document that,
7498 for modify micro operations, insn is the subsequent instruction.
7499 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7500 (var_reg_set, var_mem_set): ... new functions.
7501 (add_stores): Record subsequent insn.
7502 (compute_bb_dataflow): Use new functions for MO_USE.
7503 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7504 notes after the insn, and modify notes before the insn known
7505 to be the subsequent one.
7506 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7508 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7511 * config/i386/i386.c (ix86_expand_builtin): Use
7512 gen_sse3_monitor64 for TARGET_64BIT.
7514 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7516 PR rtl-optimization/26375
7517 PR rtl-optimization/26855
7518 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7520 (df_ru_bb_local_compute): Reversed statements and removed bogus
7521 comment explaining why they should be in wrong order.
7522 (df_ru_dump, df_rd_dump): Enhanced debug info.
7523 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7525 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7526 reaching uses and fixed space problem.
7528 2006-05-23 Jan Hubicka <jh@suse.cz>
7530 * cgraphunit.c (decide_is_function_needed): Also nested functions
7531 and functions declared inline can be optimized out at -O0.
7533 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7535 * doc/install.texi (Configuration): Remove reference to CrossGCC
7539 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7542 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7543 ix86_compare_emitted is non-NULL.
7545 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7548 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7551 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7553 PR rtl-optimization/25514
7554 * combine.c (replaced_rhs_insn): New variable.
7555 (combine_instructions): Set replaced_rhs_insn when trying to replace
7556 a SET_SRC with a REG_EQUAL note.
7557 (distribute_notes): Use replaced_rhs_insn when determining the live
7558 range of a REG_DEAD register.
7560 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7561 Anatoly Sokolov <aesok@post.ru>
7563 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7564 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7565 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7566 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7567 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7568 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7569 at90usb647, at90usb1286 and at90usb1287 devices.
7570 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7571 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7573 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7575 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7577 2006-05-22 Richard Guenther <rguenther@suse.de>
7580 2006-01-31 Richard Guenther <rguenther@suse.de>
7581 Paolo Bonzini <bonzini@gnu.org>
7583 * doc/install.texi (--disable-libgcc-math): Document.
7585 2006-05-22 Richard Guenther <rguenther@suse.de>
7588 2006-01-31 Richard Guenther <rguenther@suse.de>
7590 * doc/invoke.texi (-msselibm): Document.
7591 * target.h (expand_library_builtin): New target hook.
7592 * builtins.c (expand_builtin): Use expand_library_builtin.
7593 (default_expand_library_builtin): New function.
7594 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7595 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7596 (link_gcc_math_spec): Declare.
7597 (static_specs): Add link_gcc_math_spec.
7598 * expr.h (default_expand_library_builtin): Declare.
7599 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7600 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7601 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7602 * config/i386/i386.opt (msselibm): New target option.
7603 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7604 (ix86_init_sse_abi_builtins): New function.
7605 (ix86_expand_library_builtin): Likewise.
7606 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7607 (override_options): Handle error conditions wrt -msselibm.
7608 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7609 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7610 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7613 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7616 * c-common.c (self_promoting_args_p): Skip erroneous args.
7619 * c-decl.c (finish_struct): Skip erroneous fields.
7621 2006-05-22 Nick Clifton <nickc@redhat.com>
7623 * config/cris/cris.opt (march): Remove VarExists attribute.
7624 (max-stackframe=): Likewise.
7626 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7628 * doc/rtl.texi: Fix a typo.
7629 * see.c: Fix comment typos.
7631 * tree-ssa-structalias.h (alias_info): Remove num_references.
7633 2006-05-21 Mike Stump <mrs@apple.com>
7635 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7637 (darwin_pragma_options): Use BAD instead.
7638 (darwin_pragma_unused): Likewise.
7639 (darwin_pragma_ms_struct): Likewise.
7641 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7643 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7645 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7647 PR rtl-optimization/27671
7648 * simplify-rtx.c (simplify_relational_operation_1): Fix
7649 simplifications of (eq/ne (xor x y) y) and
7650 (eq/ne (xor x y) x).
7652 PR tree-optimization/26622.
7653 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7656 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7658 * tree-cfg.c: Prune whitespace.
7659 (debug_tree_cfg): Point to correct header containing the
7662 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7665 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7667 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7670 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7671 or sorry count is non zero.
7673 2006-05-20 Andreas Schwab <schwab@suse.de>
7675 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7677 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7678 Kenneth Zadeck <zadeck@naturalbridge.com>
7680 PR rtl-optimization/26855
7682 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7684 (df_scan_alloc): Added code to properly handle multiword hard
7685 registers and add all_blocks parameter.
7686 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7687 code to properly handle multiword hard registers.
7688 (df_rescan_blocks): Added code to remove deleted blocks from
7690 (df_ref_create_structure, df_ref_record): Added code to properly
7692 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7693 and set DF_REF_PARTIAL.
7694 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7695 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7696 (df_scan_add_problem): Added flags parameter.
7697 (df_ref_create_structure): Changed switching structure.
7698 (df_bb_refs_record): Fixed case where duplicate artificial refs
7699 were created. Changed location of flags.
7700 (df_record_entry_block_defs): Added code to make stack pointer
7701 live in entry block. Refined cases where frame pointer is needed.
7702 Changed location of flags.
7703 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7704 (df_set_state): Removed function.
7705 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7706 df_insn_create_insn_record, df_insn_refs_delete,
7707 df_ref_create_structure): Formatting changes.
7708 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7709 df_delete_basic_block): New function.
7710 (df_init): Changed location of flags.
7711 (df_add_problem): Added flags parameter and the way flags are
7713 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7714 debug_df_chain): Improved debugging output.
7715 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7716 (df_refs_chain_dump): Removed df parameter.
7717 (df_iterative_dataflow): Added consistency check.
7718 (df_prune_to_subcfg): Made public.
7719 (df_analyze_problem): Added blocks_to_init parameter and made
7721 (df_ref_record, df_bb_refs_record, df_mark_reg,
7722 df_record_exit_block_uses): Whitespace changes.
7723 (df_dump): Whitespace changes.
7724 * df.h: Some reordering to remove forward references.
7725 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7726 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7727 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7728 (dataflow.flags): New field.
7729 (df.flag): Deleted field.
7730 (df_alloc_function): Added additional bitmap parameter.
7731 (df_dependent_problem_function): New type.
7732 (df_problem.changeable_flags): New field.
7733 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7734 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7735 (df_mw_hardreg): New struct.
7736 (DF_INSN_UID_MWS): New macro.
7737 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7739 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7740 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7741 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7742 (df_set_state): Removed function.
7743 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7744 * df-problems.c (df_chain_dump): Removed df parameter.
7745 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7746 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7748 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7749 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7750 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7751 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7752 DF_REF_MUST_CLOBBER cases.
7753 (df_ru_bb_local_compute_process_def,
7754 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7755 df_lr_bb_local_compute, df_ur_bb_local_compute,
7756 df_chain_create_bb): Made subreg aware.
7757 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7758 df_lr_bb_local_compute, df_lr_bb_local_compute,
7759 df_chain_create_bb): Cleanup to use proper macros.
7760 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7761 code to fixup bitvectors.
7762 (df_ri_alloc): Cleared lifetime.
7763 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7764 df_create_unused_note): New function.
7765 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7766 REG_DEAD and REG_UNUSED notes as well as register information.
7767 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7768 df_chains_dump): Fixed crash if problem was never run.
7769 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7770 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7771 df_ri_add_problem): Processes flags in uniform manner.
7772 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7773 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7774 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7775 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7776 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7777 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7778 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7779 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7780 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7781 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7782 * see.c (see_initialize_data): Ditto.
7783 * final.c (rest_of_clean_state) Added regstack_completed.
7784 * rtl.h (regstack_completed): Ditto.
7785 * reg-stack.c (regstack_completed): Ditto.
7787 2006-05-19 Mike Stump <mrs@apple.com>
7789 * c-tree.h (default_conversion): Remove.
7790 * c-common.h (default_conversion): Add.
7792 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7794 * tree-vrp.c (valid_value_p): New function.
7795 (adjust_range_with_scev): Fail if the value of bound is not
7798 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7800 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7801 (mips_fallback_frame_state): Use syscall numbers to determine
7802 the appropriate li instruction for the current ABI. Only use
7803 __NR_sigreturn for o32.
7805 2006-05-19 Nicolas Setton <setton@adacore.com>
7807 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7808 * langhooks.c (lhd_dwarf_name): New function.
7809 * langhooks-def.h (lhd_dwarf_name): Declare.
7810 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7811 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7812 * ada/misc.c (gnat_dwarf_name): New function.
7813 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7815 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7817 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7819 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7820 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7821 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7822 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7823 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7824 determine the size of Wtype, etc.
7825 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7826 (swfloatfuncs): New variable.
7827 (dwfloatfuncs): Likewise.
7828 (lib2funcs): Remove floating-point conversion functions from
7829 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7830 the set of conversion routines needed. Allow entries to specify
7831 an object name, filename and word size. Update users accordingly.
7832 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7833 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7837 2006-02-08 Roger Sayle <roger@eyesopen.com>
7840 * config/fixtfdi.c: New libgcc source file.
7841 * config/fixunstfdi.c: New source file.
7842 * config/floatditf.c: New source file.
7843 * config/floatunditf.c: New souce file.
7844 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7845 files above instead of config/mips/_tilib.c.
7846 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7848 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7850 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7851 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7853 2006-05-18 Mike Stump <mrs@apple.com>
7855 Fix up vla, vm and [*] sematics.
7861 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7862 (c_vla_unspec_p): Add.
7863 (c_vla_type_p): Add.
7864 * c-decl.c (struct c_scope): Add had_vla_unspec.
7865 (build_array_declarator): Add support for [*].
7866 (grokdeclarator): Likewise.
7867 (grokparms): Likewise.
7868 (get_parm_info): Likewise.
7869 * c-objc-common.c (c_vla_unspec_p): Likewise.
7870 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7871 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7872 typeof when argument is a variably modified type not inside sizeof or alignof.
7873 (c_parser_direct_declarator_inner): Propagate errors.
7874 (c_parser_sizeof_expression): Add support for [*].
7875 (c_parser_parms_declarator): Initialize had_vla_unspec.
7876 (c_parser_parms_list_declarator): Likewise.
7877 * c-typeck.c (c_vla_type_p): Add.
7878 (composite_type): Add support for vla compositing.
7879 (comptypes_internal): Add support for vla compatibility.
7880 (c_expr_sizeof_expr): Evaluate vla arguments.
7881 * tree.c (variably_modified_type_p): Update comment for [*].
7883 2006-05-18 Michael Matz <matz@suse.de>
7886 * config.host: Make assignments to host_xmake_file cumulative.
7887 * config.host (*-darwin*): Test $host, not $target.
7889 2006-05-12 Stuart Hastings <stuart@apple.com>
7891 * config/i386/i386.opt (-mstackrealign): New flag.
7892 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7893 (ix86_handle_cconv_attribute): Emit error when
7894 force_align_arg_pointer attribute collides with too many regparms.
7895 (ix86_function_regparm): Limit regparms when used with
7896 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7897 Support stack-realigning prologue in non-main functions. Emit
7898 warning for nested functions under -mstackrealign, emit error for
7899 nested functions with force_align_arg_pointer attribute.
7900 * doc/extend.texi (force_align_arg_pointer): Document it.
7901 * doc/invoke.texi (-mstackrealign): Document it.
7903 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7905 PR rtl-optimization/27477
7906 * combine.c (try_combine): Don't split a parallel consisting
7907 of two sets into two individual sets if both sets reference
7910 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7912 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7913 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7915 * doc/options.texi (VarExists): Updated.
7917 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7919 * unwind-dw2.c: Add declarations for uw_update_context and
7921 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7922 detected, advance frame state and context once to skip over stub.
7924 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7928 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7929 Call rewrite_into_loop_closed_ssa only when something changed.
7930 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7931 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7932 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7933 Test for perfect_nest_p here. Fix formating.
7934 (replace_uses_equiv_to_x_with_y): Fix formating.
7935 (stmt_uses_op): Removed.
7936 (can_convert_to_perfect_nest): Removed loopivs parameter.
7937 Complete the test by checking the scalar dependences.
7938 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7941 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7944 From Dan Kegel <dank@kegel.com>:
7945 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7947 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7949 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7950 if the element type is variably modified without recursing.
7952 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7955 * tree-loop-linear.c (try_interchange_loops): Test for
7956 no data dependences.
7958 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7960 PR tree-optimization/27548
7961 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7962 range of ssa names that appear on abnormal edges.
7963 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7964 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7966 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7969 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7971 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7974 * tree.h (OMP_PARALLEL_COMBINED): Define.
7975 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7976 (new_omp_context): Add is_combined_parallel argument.
7977 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7978 new_omp_context caller.
7979 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7980 Adjust gimplify_scan_omp_clauses callers.
7981 (omp_is_private): Issue errors if iteration variable is firstprivate
7982 or reduction in the current context.
7983 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7984 on combined parallel workshare constructs.
7986 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7988 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7989 (gcc-options.o): New rule.
7991 * optc-gen.awk: Protect variables for gcc-options.o with
7992 #ifdef GCC_DRIVER/#endif.
7994 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7996 Fix PR tree-optimization/27373
7997 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7998 (forward_propagate_addr_expr): Update call.
8000 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8002 * doc/options.texi: Move the Negative option.
8004 2006-05-16 Richard Guenther <rguenther@suse.de>
8006 PR tree-optimization/22303
8007 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8009 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8010 ccp_fold did not simplify the statement.
8012 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8015 * Makefile.in (GCC_OBJS): New.
8016 (OBJS-common): Add opts-common.o.
8017 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8018 (cpp$(exeext)): Likewise.
8019 (gcc.o): Also depend on opts.h.
8020 (opts-common.o): New.
8022 * common.opt (gcoff): Add Negative(gdwarf-2).
8023 (gdwarf-2): Add Negative(gstabs).
8024 (gstabs): Add Negative(gstabs+).
8025 (gstabs+): Add Negative(gvms).
8026 (gvms): Add Negative(gxcoff).
8027 (gxcoff): Add Negative(gxcoff+).
8028 (gxcoff+): Add Negative(gcoff).
8029 * config/i386/i386.opt (m32): Add Negative(m64).
8030 (m64): Add Negative(m32).
8032 * doc/options.texi: Document the Negative option.
8034 * gcc.c: Include "opts.h".
8035 (main): Call prune_options after expandargv.
8037 * optc-gen.awk: Generate common declarations for all flag
8038 variables in options.c. Output the neg_index field.
8040 * opts.c (find_opt): Moved to ...
8041 * opts-common.c: Here. New file.
8043 * opts.h (cl_option): Add a neg_index field.
8045 (prune_options): Likewise.
8047 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8050 * omp-low.c (expand_omp_parallel): Don't assert
8051 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8052 instead search for it.
8055 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8058 2006-05-16 Andreas Schwab <schwab@suse.de>
8060 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8063 2006-05-15 Roger Sayle <roger@eyesopen.com>
8066 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8067 integer constants other than zero are only legitimate on TARGET_64BIT.
8068 <CONST_VECTOR> Only zero vectors are legitimate.
8069 (ix86_cannot_force_const_mem): Integral and vector constants can
8070 always be put in the constant pool.
8072 2006-05-16 DJ Delorie <dj@redhat.com>
8074 * crtstuff.c (__dso_handle): Set section from
8075 TARGET_LBIGCC_SDATA_SECTION if defined.
8076 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8077 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8079 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8082 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8085 2006-05-16 Ben Elliston <bje@au.ibm.com>
8087 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8089 2006-05-15 Per Bothner <per@bothner.com>
8091 * tree.c: (last_annotated_node): Use source_locus typedef.
8092 This permits bootstrapping with --enable-mapped-location.
8094 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8096 PR tree-optimization/26830
8097 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8098 (info_for_ssa_name, current_info_for_ssa_name_age,
8099 blocks_to_update): New variables.
8100 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8101 (clear_ssa_name_info, initialize_flags_in_bb,
8102 mark_block_for_update): New functions.
8103 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8104 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8105 prepare_def_site_for): Use mark_block_for_update.
8106 (mark_def_interesting): Assert that the processed block is marked in
8107 blocks_to_update. Do not take blocks argument.
8108 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8110 (rewrite_update_init_block, rewrite_update_stmt): Only process
8111 blocks with statements to rewrite.
8112 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8113 (update_ssa): Initialize and free blocks_to_update. Do not
8114 clear flags on statements. Do not use blocks bitmap.
8115 * tree.h (SSA_NAME_AUX): Removed.
8116 (struct tree_ssa_name): Removed aux field.
8117 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8119 2006-05-15 Richard Guenther <rguenther@suse.de>
8121 PR tree-optimization/27603
8122 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8123 Do computations in original type.
8125 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8127 * see.c: Code style changes such as redundant paranthesis,
8128 redundant intialization of local variables etc.
8129 (see_main): Declared now as static.
8130 * doc/invoke.texi: Update that -fsee is not enabled by
8133 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8135 * omp-low.c (check_omp_nesting_restrictions): New function.
8136 (scan_omp_1): Call it.
8139 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8140 construct, return *VAR.
8142 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8144 PR rtl-optimization/27406
8145 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8148 2006-05-14 Roger Sayle <roger@eyesopen.com>
8150 PR rtl-optimization/27538
8151 * combine.c (expand_compound_operation): Call gen_lowpart
8152 before calling simplify_shift_const.
8154 2006-05-14 Roger Sayle <roger@eyesopen.com>
8156 PR rtl-optimization/22563
8157 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8158 a fixed width bitfield, always force the intermediates into psuedos.
8160 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8163 * mkconfig.sh: Use operator = instead of == for test.
8165 2006-05-13 Nick Clifton <nickc@redhat.com>
8167 * dwarf2out.c (dbx_reg_number): Check return value from
8168 LEAF_REG_REMAP and only use it if it is valid.
8169 (multiple_reg_loc_descriptor): Likewise.
8171 2006-05-13 Richard Guenther <rguenther@suse.de>
8173 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8176 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8178 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8179 information attached to non-INSNs such as NOTEs.
8180 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8182 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8184 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8186 * config/s390/s390.md: Adjust comment describing On constraint.
8188 2006-05-11 Jan Hubicka <jh@suse.cz>
8190 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8191 to be output at -O0.
8193 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8196 * fold-const.c (size_binop): Move sanity check for arguments to
8197 the beginning of the function.
8200 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8203 2006-05-11 Richard Guenther <rguenther@suse.de>
8206 * fold-const.c (fold_unary): Handle intermediate conversion
8207 to a pointer type like intermediate conversion to an integer
8208 type in folding of (T1)(T2)var to var.
8209 Match the code to the comment in the final conversion for
8210 (T1)(T2)var to (T1)var regarding to type precision. Rather
8211 than disallow T1 being of pointer type, assert that both T1
8212 and var are of pointer type or not. Make sure not to fall
8213 over the frontends lazyness wrt array to pointer decay though.
8215 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8217 * arm.c (arm_struct_value_rtx): Delete.
8218 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8219 (arm_init_cumulative_args): Always initialize nregs to zero.
8221 2006-05-10 Richard Guenther <rguenther@suse.de>
8223 PR tree-optimization/27532
8224 * tree-object-size.c (plus_expr_object_size): Fix typo.
8226 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8229 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8230 ashrdi_const, ashrdi3): Use a scratch register.
8232 2006-05-10 Richard Guenther <rguenther@suse.de>
8234 PR tree-optimization/27302
8235 * fold-const.c (operand_equal_p): For two comparisons,
8236 try comparison of one comparison code swapped if that yields
8239 2006-05-10 Ben Elliston <bje@au.ibm.com>
8241 * tree-pretty-print.c (pretty_print_string): No need to handle
8242 '\0' as a special character.
8244 * tree.h: Include "hashtab.h".
8245 (iterative_hash_expr): Use hashval_t in its prototype.
8246 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8248 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8251 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8252 (hppa*64*-*-hpux11*): Ditto.
8253 (hppa[12]*-*-hpux11*): Ditto.
8255 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8258 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8260 2006-05-09 Michael Matz <matz@suse.de>
8262 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8263 host_extra_gcc_objs and host_xmake_file.
8264 (<*-*-linux*>): Don't overwrite host_xmake_file.
8265 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8266 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8267 (host_detect_local_cpu): Declare.
8268 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8269 * config/i386/i386.c (override_options): Handle -mtune=native
8271 * config/i386/x-i386: New file.
8272 * config/i386/driver-i386.c: New file.
8273 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8276 2006-05-09 Dirk Mueller <dmueller@suse.de>
8277 Richard Guenther <rguenther@suse.de>
8280 * fold-const.c (fold_read_from_constant_string): Relax check
8281 for matching types to matching modes.
8283 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8285 PR rtl-optimization/27335
8286 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8289 2006-05-08 Chao-ying Fu <fu@mips.com>
8290 Richard Sandiford <richard@codesourcery.com>
8292 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8293 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8294 * config/mips/mips.md (UNSPEC_SCC): New constant.
8295 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8296 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8297 (mips_emit_compare): Use it.
8298 (mips_expand_vcondv2sf): New function.
8300 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8302 Fix PR tree-optimization/27093
8303 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8304 renaming when they become not-used_alone.
8306 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8308 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8309 relocation and relocation stubs.
8311 2006-05-08 Eric Christopher <echristo@apple.com>
8313 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8316 2006-05-08 Jan Hubicka <jh@suse.cz>
8319 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8320 unused static functions are needed.
8322 2006-05-08 Roger Sayle <roger@eyesopen.com>
8325 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8326 of a reg_equiv_constant if the result is a legitimate constant.
8328 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8331 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8332 standard 80387 constants, raise the cost to prevent
8333 compress_float_constant() to generate load from memory.
8335 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8337 * config/arm/constraints.md (c): Fix a typo.
8339 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8342 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8345 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8347 (_mm_mwait): Likewise.
8349 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8351 (sse3_monitor): Make it 32bit only.
8352 (sse3_monitor64): New. 64bit monitor.
8354 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8357 * config/i386/i386.c (classify_argument): Skip fields with invalid
8360 2006-05-07 Richard Guenther <rguenther@suse.de>
8362 PR tree-optimization/27409
8363 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8364 Do not try to find zero-sized subvars.
8366 2006-05-07 Richard Guenther <rguenther@suse.de>
8368 PR tree-optimization/27136
8369 * tree-ssa-loop-niter.c (get_val_for): Correct function
8370 comment, assert requirements.
8371 (loop_niter_by_eval): Stop processing if the iterated
8372 value did not simplify.
8374 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8376 * opts.c (flag_see): remove its setting at -O3.
8378 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8380 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8381 * arm/constraints.md: New file.
8382 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8383 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8384 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8385 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8386 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8387 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8388 * arm.md: Include constraints.md.
8389 (thumb_movsi_insn): Use satisfies_constraint_J.
8390 (movhi, movqi): Use satisfies_constraint_I.
8392 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8394 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8395 for atmeg a645 device.
8397 2006-05-06 Richard Guenther <rguenther@suse.de>
8399 PR tree-optimization/27151
8400 * tree-vect-transform.c (vectorizable_condition): Punt on
8401 values that have a different type than the condition.
8403 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8406 * c-parser.c (c_parser_cast_expression): Only insert casts into
8407 hash table if pointer.
8408 * function.c (used_types_insert_helper): Rename from
8410 (used_types_insert): Call used_types_insert_helper.
8411 * function.h (used_types_insert): Accept only one argument.
8413 2006-05-05 David Edelsohn <edesohn@gnu.org>
8415 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8416 scratch with output modifier.
8418 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8421 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8422 with output modifier.
8424 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8427 * config/mips/mips.c (mips_symbolic_address_p): Return true
8428 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8429 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8431 2006-05-04 Richard Guenther <rguenther@suse.de>
8433 PR tree-optimization/14287
8434 PR tree-optimization/14844
8435 PR tree-optimization/19792
8436 PR tree-optimization/21608
8437 PR tree-optimization/27090
8438 * tree-ssa-pre.c (try_combine_conversion): New function.
8439 (compute_avail): After constructing the value-handle
8440 expression, use try_combine_conversion to combine NOP_EXPRs
8441 with previous value-handle expressions and use the result if it
8444 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8446 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8448 2006-05-04 Jan Hubicka <jh@suse.cz>
8451 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8453 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8455 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8456 that this only matches CONST_INTs. All users changed to VOIDmode
8459 * config/bfin/bfin.c: Include "optabs.h".
8460 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8462 (enum bfin_builtins): Add a number of fractional and vector builtins.
8463 (bfin_init_builtins): Likewise.
8464 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8465 (safe_vector_operand, bfin_expand_binop_builtin,
8466 bfin_expand_unop_builtin): New functions.
8467 (bfin_expand_builtin): Handle the new builtins.
8468 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8471 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8474 * Makefile.in (OBJS-common): Add see.o.
8475 (see.o): Add dependencies.
8476 * common.opt (fsee): New flag for the see optimization was added.
8477 * opts.c (flag_see): Initialized.
8478 * passes.c (init_optimization_passes, pass_see): New pass.
8479 * rtl.h (see_main): Declaration as extern.
8480 * timevar.def (TV_SEE): New.
8481 * tree-pass.h (pass_see): Declaration as extern.
8482 * invoke.texi (-fsee): Document.
8483 * recog.c (validate_simplify_insn): New function.
8484 * recog.h (validate_simplify_insn): Declaration as extern.
8485 * df-problems.c (df_chain_dump): Check for NULL.
8487 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8488 Daniel Berlin <dberlin@dberlin.org>
8490 * cfgrtl.c (insert_insn_bb_end_new): New function.
8491 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8493 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8495 * df.h (struct web_entry): Moved from web.c.
8496 (union_defs): Declaration as extern.
8497 (unionfind_root): Likewise.
8498 (unionfind_union): Likewise.
8499 * web.c (struct web_entry): Moved to df.h.
8500 (unionfind_root): Remove static declaration.
8501 (unionfind_union): Likewise.
8502 (union_defs): Likewise and generalize to use callback function.
8503 (web_main): Update arguments for union_defs function call.
8505 2006-05-04 Richard Guenther <rguenther@suse.de>
8507 PR tree-optimization/26447
8508 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8509 produce SSA_NAME copies before the store stmt to avoid
8510 breaking exception handling.
8512 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8515 * gimplify.c (omp_is_private): If var is shared in some outer context,
8516 return false instead of true. Stop searching on parallel context
8519 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8522 * coverage.c: Use get_gcov_unsigned_t() instead of
8523 unsigned_type_node all over.
8525 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8527 PR tree-optimization/27381
8528 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8529 maintain the same immediate_use links.
8530 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8531 node rather than segfaulting.
8533 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8536 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8537 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8538 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8540 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8542 Fix PR tree-optimization/26626
8543 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8545 * tree-ssa-operands.c (access_can_touch_variable): Allow
8546 typecasting through union pointers.
8548 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8551 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8552 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8553 to find if var will be a global variable even in the nested context.
8554 (omp_copy_decl): Only check for global variable at the end, it might
8555 be overridden in outer contexts.
8556 (scan_sharing_clauses): For global variables don't create a field.
8557 (lower_rec_input_clauses): Do nothing for global shared variables.
8558 Emit a barrier at the end of ILIST if there were any decls in both
8559 firstprivate and lastprivate clauses.
8560 (lower_send_clauses): Do nothing for global variables except for
8563 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8565 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8566 of the correct signedness is returned.
8568 2006-05-02 Jeff Law <law@redhat.com>
8570 PR tree-optimization/27364
8571 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8572 multiply expressions.
8574 2006-05-02 Tom Tromey <tromey@redhat.com>
8576 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8578 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8581 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8582 -mthumb -fPIC are used.
8584 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8585 Joshua Kinard <kumba@gentoo.org>
8588 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8589 with 64-bit pointers.
8591 2006-05-02 Paul Brook <paul@codesourcery.com>
8593 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8595 (create_fix_barrier): Check that a suitable barrier location is
8597 (arm_reorg): Include ftmp->address in allowable range of addresses.
8599 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8602 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8605 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8608 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8609 around RESULT_DECL for result passed by reference.
8610 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8611 * omp-low.c (use_pointer_for_field): Don't look at
8612 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8613 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8614 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8615 time or var for passing by reference for
8616 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8617 TREE_ADDRESSABLE variables when passing by reference.
8619 * omp-low.c (dump_omp_region): Fix output formatting.
8622 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8623 (expand_omp_parallel): Likewise.
8624 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8627 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8628 on statement list containing also constructors and destructors.
8629 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8632 * except.c (duplicate_eh_regions): Fix clearing of
8633 cfun->eh->region_array entries.
8635 2006-05-01 DJ Delorie <dj@redhat.com>
8637 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8639 (gcc_cv_objdump): Likewise.
8640 * configure: Regenerated.
8642 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8645 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8646 templates for case 3 and 4.
8648 2006-05-01 DJ Delorie <dj@redhat.com>
8650 * vec.c: Include bconfig.h when appropriate.
8651 * Makefile.in (build/vec.o): Adjust dependencies.
8652 * mkconfig.sh: Make sure config.h isn't used for build machine
8655 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8657 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8659 (mark_phi_for_rewrite): New function.
8660 (insert_phi_nodes_for, mark_use_interesting): Call
8661 mark_phi_for_rewrite.
8662 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8663 (update_ssa): Initialize and free phis_to_rewrite.
8665 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8667 PR rtl-optimization/27291
8668 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8669 folded to a constant.
8671 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8673 PR tree-optimization/27283
8674 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8675 not whole # of iteration descriptions.
8676 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8677 uses abnormal ssa name.
8678 (niter_for_single_dom_exit): Ditto.
8679 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8680 return just the number of iterations.
8682 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8684 PR tree-optimization/27144
8685 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8686 (record_estimate): Only record constant upper bound.
8687 (infer_loop_bounds_from_undefined): Call
8688 compute_estimated_nb_iterations just once.
8689 (proved_non_wrapping_p): Renamed to ...
8690 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8691 (convert_step_widening, scev_probably_wraps_p): Call
8692 n_of_executions_at_most instead of proved_non_wrapping_p.
8693 (substitute_in_loop_info): Do not replace values in bounds.
8694 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8697 2006-05-01 Richard Henderson <rth@redhat.com>
8700 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8701 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8704 2006-05-01 Roger Sayle <roger@eyesopen.com>
8706 * c-typeck.c (parser_build_binary_op): Don't call the function
8707 unsigned_conversion_warning to spot operand/result type overflow.
8708 (build_binary_op): Instead, call convert_and_check instead of
8709 convert to report the problem when the operands are promoted.
8710 * c-common.c (unsigned_conversion_warning): Make static.
8711 * c-common.h (unsigned_conversion_warning): Delete prototype.
8713 2006-05-01 Richard Guenther <rguenther@suse.de>
8715 PR tree-optimization/26726
8716 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8718 (find_interesting_uses_address): ... we work around here
8719 by folding INDIRECT_REFs in the substituted base.
8721 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8723 * omp-low.c (dump_omp_region): Add newlines.
8725 2006-04-30 Roger Sayle <roger@eyesopen.com>
8727 * common.opt (Woverflow): New command line option.
8728 * c-common.c (constant_expression_warning): Check warn_overflow.
8729 (overflow_waring): Pass OPT_Woverflow to warning.
8730 (unsigned_conversion_warning): Likewise.
8731 (convert_and_check): Likewise.
8732 * doc/invoke.texi: Document new command line option.
8734 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8736 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8737 TARGET_NO_FP_IN_TOC for section anchors.
8738 (optimization_options): Enable section anchors for all
8739 non-"Objective" languages.
8741 2006-04-28 Eric Christopher <echristo@apple.com>
8743 * config/darwin-c.c (darwin_ms_struct): Move this
8744 (darwin_set_default_type_attributes): and this...
8745 * config/darwin.c: ... here.
8746 * config/darwin.h (darwin_ms_struct): Declare.
8748 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8750 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8752 2006-04-28 Roger Sayle <roger@eyesopen.com>
8755 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8756 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8757 an unsigned HOST_WIDE_INT.
8758 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8760 (really_start_incremental_init): No need to call convert because
8761 bitsize_zero_node is already of type bitsizetype.
8762 (push_init_level): Extract the value of constructor_index as an
8763 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8764 (process_init_element): Likewise.
8766 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8768 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8769 value before passing to make_relative_prefix.
8771 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8774 * builtins.c (expand_builtin_memset): Expand val in original mode.
8776 2006-04-27 Eric Christopher <echristo@apple.com>
8778 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8779 with #ifndef/#endif.
8780 * config/darwin-c.c (darwin_ms_struct): New.
8781 (darwin_pragma_ms_struct): Ditto.
8782 (darwin_set_default_type_attributes): Ditto.
8783 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8784 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8785 Register ms_struct pragma.
8786 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8787 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8788 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8789 darwin_set_default_type_attributes if TARGET_MACHO.
8791 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8793 PR tree-optimization/26854
8794 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8795 * doc/tree-ssa.texi: Update immuse iterator documentation.
8796 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8797 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8798 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8799 first_safe_imm_use, next_safe_imm_use): Remove.
8800 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8801 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8802 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8803 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8804 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8805 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8806 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8807 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8808 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8809 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8810 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8811 (perfect_nestify): Use new iterator.
8812 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8814 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8815 (next_imm_name): New field in struct immediate_use_iterator_d.
8816 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8817 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8818 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8819 * tree-cfg.c (replace_uses_by): Use new iterator.
8820 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8821 * tree-ssa-operands.c (correct_use_link): Remove.
8822 (finalize_ssa_use_ops): No longer call correct_use_link.
8824 2006-04-27 Stuart Hastings <stuart@apple.com>
8826 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8827 * config/t-darwin (crt3.o): Use it.
8828 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8829 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8830 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8831 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8832 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8835 2006-04-27 Roger Sayle <roger@eyesopen.com>
8837 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8838 size, force the intermediate into a new pseudo rather instead of
8839 performing both a bitwise AND and a bitwise IOR in memory.
8841 2006-04-27 Richard Guenther <rguenther@suse.de>
8843 PR rtl-optimization/26685
8844 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8845 this one "max-flow-memory-locations".
8847 2006-04-27 Richard Guenther <rguenther@suse.de>
8849 PR tree-optimization/25148
8850 * tree-vrp.c (compare_values): Remove code dealing with
8851 comparisons against type min/max value. Honour overflow
8852 and negative constants in code dealing with comparisons
8853 of plus and minus expressions.
8854 (value_inside_range): Use fold_binary with LE_EXPR and
8855 GE_EXPR rather than compare_values.
8857 2006-04-27 Dirk Mueller <dmueller@suse.de>
8859 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8862 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8864 * basic-block.h (safe_insert_insn_on_edge): Removed.
8865 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8867 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8868 Paolo Bonzini <bonzini@gnu.org>
8871 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8872 (simplify_and_const_int): Same.
8874 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8876 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8878 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8881 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8882 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8883 cgraph_global_info_ready.
8886 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8889 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8890 either decl or init is error_mark_node.
8893 * tree-flow.h (struct omp_region): Add sched_kind.
8894 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8895 instead of extracting omp for data.
8896 (expand_omp_for): Save extracted sched_kind.
8898 2006-04-25 Roger Sayle <roger@eyesopen.com>
8900 * expmed.c (store_bit_field): Also check whether the bitsize is
8901 valid for the machine's "insv" instruction before moving the
8902 target into a pseudo for use with the insv.
8903 * config/i386/predicates.md (const8_operand): New predicate.
8904 * config/i386/i386.md (extv, extzv, insv): Use the new
8905 const8_operand predicate where appropriate.
8907 2006-04-25 DJ Delorie <dj@redhat.com>
8909 * doc/install.texi (Specific): Clarify that this is not a list of
8910 supported hosts or targets.
8912 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8914 PR rtl-optimization/26725
8915 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8916 block's BB_DIRTY flag.
8918 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8920 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8923 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8924 to print an integer.
8926 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8928 * varasm.c (align_variable): New function.
8929 (get_block_for_decl): Apply align_variable to DECL before
8930 calculating section information.
8931 (assemble_variable): Split out alignment computation.
8933 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8935 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8938 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8940 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8941 MODE_PARTIAL_INT mode.
8942 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8943 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8945 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8946 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8948 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8950 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8952 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8953 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8954 MACFLAG_IH): Likewise.
8955 (movstricthi_1): Renamed from "*movstricthi".
8956 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8957 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8958 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8959 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8960 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8961 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8962 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8963 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8964 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8965 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8966 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8967 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8968 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8969 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8970 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8972 * doc/rtl.texi (ss_ashift): Improve wording.
8974 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8976 * dwarf2out.c (verify_marks_clear): New.
8977 (prune_unused_types): Call verify_marks_clear initially, not
8980 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8982 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8983 * doc/rtl.texi: Document them.
8984 * simplify-rtx.c (simplify_unary_operation,
8985 simplify_binary_operation_1): Don't abort when we see them.
8987 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8990 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8991 * configure.ac: Completely disregard languages that are not
8993 * configure: Regenerated.
8995 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8996 Richard Guenther <rguenther@suse.de>
8998 PR tree-optimization/27236
8999 * tree-inline.c (copy_body_r): Make sure to copy
9000 TREE_THIS_VOLATILE flag.
9002 2006-04-24 Richard Guenther <rguenther@suse.de>
9005 * tree-complex.c (update_parameter_components): Don't handle
9006 unused parameters which have no default def.
9008 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9009 Richard Guenther <rguenther@suse.de>
9011 PR tree-optimization/27218
9012 * tree-inline.c (expand_call_inline): Strip useless type
9013 conversions for the return slot address.
9015 2006-04-24 Richard Guenther <rguenther@suse.de>
9017 * cfgloop.h (struct loops): Remove unused field array. Reorder
9019 (LOOP_PREFETCH): Remove.
9021 2006-04-24 Richard Guenther <rguenther@suse.de>
9023 PR tree-optimization/22525
9024 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9025 variable, adjust types of generated expressions.
9027 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9029 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9030 (tree-vect-patterns.o): Likewise.
9032 (cselib.o): Likewise.
9033 (loop-doloop.o): Likewise.
9034 (regclass.o): Likewise.
9035 (reload1.o): Likewise.
9036 (explow.o): Replace target.h with $(TARGET_H).
9037 (ipa-prop.o): Likewise.
9038 (ipa-cp.o): Likewise.
9039 (ipa-inline.o): Likewise.
9040 (reorg.o): Likewise.
9041 (reg-stack.o): Likewise.
9043 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9045 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9047 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9049 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9051 * configure.ac: Completely disregard languages that are not
9053 * configure: Regenerated.
9056 * c-common.h (c_build_bitfield_integer_type): Declare.
9057 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9058 * c-common.c (c_build_bitfield_integer_type): ... here.
9060 2006-04-23 Roger Sayle <roger@eyesopen.com>
9063 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9064 a SImode SUBREG of a floating point register after no_new_pseudos.
9066 2006-04-23 Roger Sayle <roger@eyesopen.com>
9068 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9069 identify potentially eliminable registers to additionally catch
9070 VIRTUAL_INCOMING_ARGS_REGNUM.
9071 (addsi3): Update the conditions on when to use addsi_small_int.
9073 2006-04-23 Roger Sayle <roger@eyesopen.com>
9076 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9077 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9078 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9080 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9082 * fold-const.c (range_predecessor): Use operand_equal_p
9083 as the predicate for equality.
9084 (range_successor): Likewise.
9086 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9089 * config/soft-fp/op-common.h: Fix a typo.
9091 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9094 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9095 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9097 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9099 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9101 * doc/tm.texi: Fix a typo.
9103 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9105 * dwarf2out.c (struct die_struct): Document that die_sib makes
9106 a circular linked list.
9107 (FOR_EACH_CHILD): New.
9108 (reverse_die_lists): Delete.
9109 (reverse_all_dies): Delete.
9110 (add_dwarf_attr): Correct documentation.
9111 (remove_child_with_prev): New.
9112 (remove_child_TAG): Update for change to die_struct, use
9113 remove_child_with_prev.
9114 (add_child_die): Update for change to die_struct.
9115 (splice_child_die): Use remove_child_with_prev and add_child_die.
9116 (print_die): Use FOR_EACH_CHILD.
9117 (die_checksum): Likewise.
9118 (assign_symbol_names): Likewise.
9119 (output_location_lists): Likewise.
9120 (build_abbrev_table): Likewise.
9121 (calc_die_sizes): Likewise.
9122 (mark_dies): Likewise.
9123 (unmark_dies): Likewise.
9124 (unmark_all_dies): Likewise.
9125 (output_die): Likewise.
9126 (prune_unused_types_mark): Likewise.
9127 (prune_unused_types_walk): Likewise.
9128 (same_die_p): Update for change to die_struct.
9129 (break_out_includes): Likewise.
9130 (prune_unused_types_prune): Likewise.
9131 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9132 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9134 (dwarf2out_finish): Don't call reverse_all_dies.
9136 2006-04-21 Eric Christopher <echristo@apple.com>
9138 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9139 in comments and function names.
9141 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9144 * c-typeck.c (digest_init): Robustify.
9146 * c-typeck.c (pop_init_level): Simplify.
9148 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9150 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9152 2006-04-21 Paul Brook <paul@codesourcery.com>
9154 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9155 hardware floating point.
9157 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9159 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9162 2006-04-21 Nick Clifton <nickc@redhat.com>
9164 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9167 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9170 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9171 C++ lang type in traceback table for Objective-C++.
9173 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9175 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9177 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9179 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9182 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9183 were errors. Remove check for erroneous objects.
9185 2006-04-20 Jeff Law <law@redhat.com>
9187 PR tree-optimization/26854
9188 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9189 checking for zero or one use.
9190 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9191 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9192 * tree-ssa-reassoc.c (negate_value): Similarly.
9193 (reassociate_bb): Similarly.
9195 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9197 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9198 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9199 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9201 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9203 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9204 fp regs if the last fp arg doesn't fit in regs.
9206 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9209 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9210 that the last insn has the REG_INC note.
9212 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9213 Nathan Sidwell <nathan@codesourcery.com>
9216 * stor-layout.c (update_alignment_for_field): Do not align
9218 (place_union_field): Place union field at the start of the union.
9219 (place_field): Move ERROR_MARK check later, and use the current
9220 allocation position to maintain monotonicity.
9222 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9224 * dominance.c: Include timevar.h.
9225 (calculate_dominance_info): Use TV_DOMINANCE.
9226 * timevar.def (TV_DOMINANCE): New timevar.
9227 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9229 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9231 PR rtl-optimization/14261
9232 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9233 move would be an INSV insn.
9234 (noce_process_if_block): Don't optimize if the destination is a
9235 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9237 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9239 * config/s390/s390.md: Add comments with the instructions emitted
9240 by an insn pattern if macros are used.
9242 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9244 PR rtl-optimization/26026
9245 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9246 is a known power of two shifted left a variable amount.
9248 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9250 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9251 to hash table twice when the debug_str section has SECTION_MERGE.
9253 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9255 * config/soft-fp: New directory. From glibc.
9256 * config/soft-fp/t-softfp: New.
9257 * config/soft-fp/README: New.
9258 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9259 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9260 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9261 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9262 * config.gcc: Use rs6000/t-fprules-fpbit or
9263 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9265 * config/rs6000/sfp-machine.h: New. Based on glibc.
9266 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9268 * config/rs6000/t-fprules: Remove fp-bit rules.
9269 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9270 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9271 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9272 (softfp_wrap_start, softfp_wrap_end): New.
9274 2006-04-18 DJ Delorie <dj@redhat.com>
9276 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9278 2006-04-18 Devang Patel <dpatel@apple.com>
9280 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9282 2006-04-18 Nick Clifton <nickc@redhat.com>
9284 * config/sh/t-symbian: Add rule to build sh-c.o
9285 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9286 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9287 (sh_symbian_encode_section_info): Likewise.
9289 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9291 * builtins.c (expand_builtin_strcmp): Cover label definition of
9292 do_libcall with HAVE_cmpstrnsi.
9294 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9296 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9298 * function.h (temp_slot_p): New.
9299 (function): Change the type of x_used_temp_slots to
9300 VEC(temp_slot_p,gc) *.
9302 2006-04-18 Nick Clifton <nickc@redhat.com>
9304 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9305 flag_strength_reduce.
9307 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9309 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9313 Partial revert of revision 112637
9314 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9315 Dale Johannesen <dalej@apple.com>
9318 * regclass.c (struct reg_pref): Update documentation.
9319 (regclass): Set prefclass to NO_REGS if memory is the best option.
9320 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9322 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9324 PR tree-optimization/26821
9325 * tree-ssa-math-opts.c (get_constant_one): New.
9326 (insert_reciprocals): Use it.
9328 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9330 * dwarf2out.c (free_AT): Delete.
9331 (remove_AT): Update string ref counts.
9332 (remove_child_TAG): Don't call free_die.
9334 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9335 or DW_TAG_GNU_EINCL.
9336 (prune_unused_types_walk_attribs): Reset string refcounts.
9337 (prune_unused_types_update_strings): New.
9338 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9339 call free_die. Do call prune_unused_types_update_strings.
9340 (prune_unused_types): Empty debug_str_hash.
9342 2006-04-17 Roger Sayle <roger@eyesopen.com>
9344 * expr.c (expand_assignment): Optimize away no-op moves where the
9345 source and destination are equal and have no side-effects.
9347 2006-04-17 Richard Guenther <rguenther@suse.de>
9350 * reload.c (push_reload): Guard calls to get_secondary_mem
9353 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9355 * alias.c (reg_base_value, old_reg_base_value): Change the
9356 type to VEC(rtx,gc) *.
9357 (REG_BASE_VALUE, find_base_value, record_set,
9358 init_alias_analysis): Use VEC instead of VARRAY.
9360 * alias.c (alias_sets): Change the type to
9361 VEC(alias_set_entry,gc) *.
9362 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9363 VEC instead of VARRAY.
9364 (last_alias_set): Remove.
9366 * cgraph.h (cgraph_edge_p): New.
9367 Update the prototype of cgraph_function_versioning.
9368 * cgraphunit.c (cgraph_copy_node_for_versioning,
9369 cgraph_function_versioning): Use VEC instead of VARRAY.
9370 * ipa-cp.c (ipcp_insert_stage): Likewise.
9372 2006-04-16 Roger Sayle <roger@eyesopen.com>
9375 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9376 "A op B" or "A op C", we may need to convert A to the type of B and C.
9378 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9380 * target.h (struct gcc_target): Add mode_rep_extended.
9381 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9382 (init_num_sign_bit_copies_in_rep): Initialize it using
9384 (truncate_to_mode): Use it.
9385 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9386 * targhooks.h (default_mode_rep_extended): Declare it.
9387 * targhooks.c (default_mode_rep_extended): Define it.
9388 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9389 default_mode_rep_extended.
9390 (TARGET_INITIALIZER): Include it.
9391 * doc/tm.texi (Misc): Document it.
9392 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9393 (mips_truncated_to_mode): New function.
9395 2006-04-16 Roger Sayle <roger@eyesopen.com>
9398 * expr.c (compress_float_constant): Copy the narrow constant into
9399 a new pseudo before extending it to its final width.
9401 2006-04-16 Roger Sayle <roger@eyesopen.com>
9402 Andrew Pinski <pinskia@gcc.gnu.org>
9403 Dale Johannesen <dalej@apple.com>
9406 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9407 special case code to implement V8HImode and V16QImode with SSE2.
9409 2006-04-15 Roger Sayle <roger@eyesopen.com>
9411 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9412 trees are constructed with a suitable tree type.
9414 2006-04-15 Roger Sayle <roger@eyesopen.com>
9416 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9417 (integer_onep): Likewise.
9418 (integer_all_onesp): Likewise.
9419 (integer_pow2p): Likewise.
9420 (integer_nonzerop): Likewise.
9421 (real_zerop): Likewise.
9422 (real_onep): Likewise.
9423 (real_twop): Likewise.
9424 (real_minus_onep): Likewise.
9425 (int_size_in_bytes): Likewise.
9426 (host_integerp): Likewise.
9428 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9430 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9431 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9432 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9434 * tree-ssa-structalias.h (alias_info): Remove num_references.
9436 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9438 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9439 (output_bvb patterns): Likewise.
9440 * pa.c (output_bb): Use 'bb' insn for long branch case.
9441 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9442 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9443 1. Correct length operand for alternatives 1 and 2.
9444 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9445 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9447 2006-04-14 Roger Sayle <roger@eyesopen.com>
9449 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9450 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9451 were accidentally reverted by r112959.
9453 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9456 * except.h (eh_region_outermost): New prototype.
9457 * except.c (eh_region_outermost): New function.
9458 * tree-cfg.c (find_outermost_region_in_block): Use it.
9460 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9462 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9464 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9465 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9466 (init_reload, reload): Use VEC instead of VARRAY.
9467 * reload.h: Update the prototype for
9468 reg_equiv_memory_loc_varray.
9470 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9471 Eric Botcazou <ebotcazou@libertysurf.fr>
9473 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9476 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9479 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9480 to expand fallback builtin function call.
9482 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9485 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9486 and emit libcall here in case the builtin fails.
9487 (expand_builtin_strcmp): Always emit the libcall here on failure.
9489 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9491 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9492 * flow.c (reg_n_info): Change the type to
9493 VEC(reg_info_p,heap) *.
9494 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9496 * regs.h (reg_info_p): New.
9497 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9498 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9499 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9502 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9504 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9506 * params.h (MAX_SCHED_READY_INSNS): New macro.
9507 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9508 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9509 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9510 the ready list for 1 cycle during the first scheduling pass.
9511 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9513 2006-04-13 Richard Henderson <rth@redhat.com>
9516 * gimple-low.c (lower_omp_directive): Remove dead code.
9517 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9518 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9519 * omp-low.c (struct omp_region): Move to tree-flow.h.
9520 (root_omp_region): Export.
9521 (omp_regions, lookup_omp_region): Remove.
9522 (determine_parallel_type): Update for struct omp_region changes.
9523 (dump_omp_region): Dump regions with block numbers.
9524 (new_omp_region): Take type and block instead of stmt; malloc
9526 (free_omp_region_1, free_omp_regions): New.
9527 (expand_parallel_call): Take entry_stmt as argument; update for
9528 changes to omp_region.
9529 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9530 (remove_exit_barriers): New.
9531 (expand_omp_parallel): Update for struct omp_region changes.
9532 (expand_omp_synch): Likewise.
9533 (expand_omp): Likewise.
9534 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9535 (expand_omp_for_static_chunk): Likewise.
9536 (expand_omp_for): Likewise.
9537 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9538 (expand_omp_sections): Similarly, with GOMP_sections_end.
9539 (expand_omp_single): New.
9540 (build_omp_regions_1): Update for OMP_CONTINUE.
9541 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9542 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9543 OMP_SECTIONS_SECTIONS.
9544 (lower_omp_single_simple): Don't emit barrier here.
9545 (lower_omp_single_copy): Likewise.
9546 (lower_omp_single): Fix bindings, and lower to straightline now.
9547 (lower_omp_master, lower_omp_ordered): Likewise.
9548 (lower_omp_critical): Likewise.
9549 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9550 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9551 omp edges, free it afterward.
9552 (make_omp_sections_edges): Remove.
9553 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9554 (move_stmt_r): Handle OMP_CONTINUE.
9555 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9556 statement pointers to basic blocks. Add type member.
9557 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9558 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9559 * tree-inline.c (estimate_num_insns_1): Likewise.
9560 * tree-pretty-print.c (dump_generic_node): Likewise.
9561 * tree-ssa-operands.c (get_expr_operands): Likewise.
9562 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9563 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9564 (OMP_CONTINUE): New.
9565 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9566 (OMP_SECTIONS_SECTIONS): Remove.
9567 (OMP_SECTION_LAST): New.
9568 (OMP_RETURN_NOWAIT): New.
9570 2006-04-13 Roger Sayle <roger@eyesopen.com>
9572 * fold-const.c (native_encode_vector, native_interpret_real):
9573 Correct obvious mistakes in the previous check-in.
9575 2006-04-13 Roger Sayle <roger@eyesopen.com>
9577 * fold-const.c (native_encode_expr): New function to encode
9578 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9579 or VECTOR_CST into a specified buffer.
9580 (native_encode_int): New function.
9581 (native_encode_real): New function.
9582 (native_encode_complex): New function.
9583 (native_encode_vector): New function.
9584 (native_interpret_expr): Inverse of native_encode_expr to convert
9585 a target representation into an INTEGER_CST, REAL_CST etc...
9586 (native_interpret_int): New function.
9587 (native_interpret_real): New function.
9588 (native_interpret_complex): New function.
9589 (native_interpret_vector): New function.
9590 (fold_view_convert_expr): New function to constant fold/evaluate
9591 a VIEW_CONVERT_EXPR of a suitable constant expression.
9592 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9593 Change call of build1 to fold_build1 when constructing a
9596 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9597 Ulrich Weigand <uweigand@de.ibm.com>
9600 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9603 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9606 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9607 optimize to lo_sum for DFmode if !TARGET_FPRS.
9609 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9611 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9612 delete_alias_info, compute_flow_sensitive_aliasing,
9613 group_aliases): Use VEC instead of VARRAY.
9614 * tree-ssa-structalias.c (update_alias_info): Likewise.
9615 * tree-ssa-structalias.h (alias_info): Change the type of
9616 processed_ptrs to VEC(tree,heap) *.
9618 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9621 * config/sh/lib1funcs.h: New file, broken out of:
9622 * config/sh/lib1funcs.asm.
9623 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9625 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9626 * config/sh/lib1funcs-Os-4-200.asm: New file.
9627 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9628 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9629 (EXTRA_MULTILIB_PARTS): Include it.
9630 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9631 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9632 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9633 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9636 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9638 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9639 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9640 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9642 * tree-ssa-live.h: Include vecprim.h.
9643 (tree_partition_associator_d): Change the type of
9644 first_partition to VEC(int,heap) *.
9645 (tpa_first_partition): Use VEC instead of VARRAY.
9647 * Makefile.in (GTFILES): Move functions.h after tree.h.
9648 * function.c (reset_block_changes, record_block_change,
9649 check_block_change, free_block_changes): Use VEC instead of
9651 * function.h (function): Change the type of
9652 ib_boundaries_block to VEC(tree,gc) *.
9653 * tree-inline.c (copy_cfg_body): Initialize
9654 ib_boundaries_block to NULL instead of (varray_type) 0.
9656 2006-04-12 Roger Sayle <roger@eyesopen.com>
9658 * expr.c (emit_group_store): Correct operand order in call to
9659 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9660 a SUBREG_BYTE of zero.
9662 2006-04-12 Richard Guenther <rguenther@suse.de>
9664 * profile.c (compute_branch_probabilities): Remove code
9665 encapsulated in !ir_type (), which are remanents of the
9666 removed RTL profiling code.
9667 * rtl-profile.c: Remove.
9669 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9671 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9672 magic NULL_RTX comment.
9673 (function_arg): Store entire fp arg to mem if any part should go
9675 (rs6000_arg_partial_bytes): Adjust for above change.
9677 2006-04-11 Roger Sayle <roger@eyesopen.com>
9679 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9680 if it hasn't been initialized by dwarf2out_init.
9682 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9684 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9685 symbolic constants in branch patterns.
9687 2006-04-11 Roger Sayle <roger@eyesopen.com>
9689 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9691 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9693 PR rtl-optimization/27073
9694 * gcse.c (try_replace_reg): Revert last change. Continue to search
9695 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9698 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9700 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9701 aggregate types other than record and union types.
9702 (function_arg): Likewise.
9703 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9705 (function_value): In 64-bit mode, return objects that require it
9708 2006-04-11 Roger Sayle <roger@eyesopen.com>
9710 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9712 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9714 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9716 2006-04-03 Jeff Law <law@redhat.com>
9719 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9720 alias information too.
9722 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9724 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9726 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9729 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9730 (premark_used_types_helper): New.
9731 (premark_used_types): New.
9732 (gen_subprogram_die): Call premark_used_types.
9733 (prune_unused_types_walk): Do not prune perennial dies.
9734 * function.c (used_types_insert): New.
9735 * function.h (struct function): Add used_types_hash field.
9736 (used_types_insert): Add prototype.
9737 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9738 * c-parser.c (c_parser_cast_expression): Save casted types in used
9741 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9744 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9745 rs6000_explicit_options.float_gprs.
9747 2006-04-10 Roger Sayle <roger@eyesopen.com>
9749 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9750 from ix86_expand_vector_init_low_nonzero. Take an additional
9751 one_var argument indicating which element is non-zero. Support
9752 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9753 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9754 with one_var instead of ix86_expand_vector_init_low_nonzero.
9756 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9758 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9759 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9760 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9761 build/genextract.o): Depend on vecprim.h.
9762 * cfglayout.c, df-problems.c, function.c, genextract.c,
9763 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9764 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9768 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9770 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9771 Declare VECs of this type.
9772 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9773 (remove_children): Delete.
9774 (add_dwarf_attr): Use VEC routines.
9775 (add_AT_flag): Update for changes to add_dwarf_attr.
9776 (add_AT_int): Likewise.
9777 (add_AT_unsigned): Likewise.
9778 (add_AT_long_long): Likewise.
9779 (add_AT_vec): Likewise.
9780 (add_AT_string): Likewise.
9781 (add_AT_die_ref): Likewise.
9782 (add_AT_fde_ref): Likewise.
9783 (add_AT_loc): Likewise.
9784 (add_AT_loc_list): Likewise.
9785 (add_AT_addr): Likewise.
9786 (add_AT_lbl_id): Likewise.
9787 (add_AT_lineptr): Likewise.
9788 (add_AT_macptr): Likewise.
9789 (add_AT_offset): Likewise.
9790 (add_AT_range_list): Likewise.
9791 (get_AT): Use VEC_iterate.
9792 (remove_AT): Use VEC_ordered_remove.
9793 (free_die): Fold remove_children into here; have it use VEC_iterate.
9794 (print_die): Use VEC_iterate on attrs.
9795 (reverse_die_lists): Don't reverse attr lists.
9796 (die_checksum): Use VEC_iterate on attrs.
9797 (same_die_p): Likewise.
9798 (output_location_lists): Likewise.
9799 (build_abbrev_table): Likewise.
9800 (size_of_die): Likewise.
9801 (unmark_all_dies): Likewise.
9802 (output_abbrev_section): Likewise.
9803 (output_die): Likewise.
9804 (prune_unused_types_walk_attribs): Likewise.
9806 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9808 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9810 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9813 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9815 2006-04-09 Roger Sayle <roger@eyesopen.com>
9817 * expr.c (store_constructor): Don't bother clearing target if
9818 we're about to assign a vector to it using vec_init_optab.
9820 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9822 * tree-ssa-alias.c (lhs_may_store_to): New function.
9823 (recalculate_used_alone): Handle LHS of calls.
9825 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9829 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9830 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9831 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9832 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9833 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9834 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9835 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9836 stubs. Add ".align 8" directives before all ".dword" directives.
9837 (GTHREAD_USE_WEAK): Revise comment.
9838 (TARGET_ATTRIBUTE_WEAK): Define.
9839 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9840 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9841 * stublib.c: New file.
9846 * pa.md (cbranch patterns): Revise arguments used in calls to
9847 output_cbranch, output_bb and output_bvd. Add long branch length
9849 (fbranch patterns): Handle long branches.
9850 (jump): Revise length check. Revise arguments for output_lbranch call.
9851 Add long branch length attributes.
9852 (decrement_and_branch_until_zero): Add long branch length attributes.
9853 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9854 Likewise. Revise arguments for output_parallel_addb and
9855 output_parallel_movb calls.
9856 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9857 output_parallel_movb and output_parallel_addb): Update prototypes.
9858 * pa.c (output_cbranch): Revise arguments. Correct handling of
9859 nullification in long branches.
9860 (output_lbranch): Add new argument to control extraction of delay
9862 (output_bb): Handle long branches.
9863 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9864 output_parallel_addb): Likewise.
9866 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9868 PR rtl-optimization/27073
9869 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9872 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9874 * tree.h (tree_memory_tag): Add old_used_alone.
9875 (SMT_OLD_USED_ALONE): New macro.
9876 * tree-ssa-alias.c (recalculate_used_alone): Stop
9877 marking things for renaming unnecessarily.
9879 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9881 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9882 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9883 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9884 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9885 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9886 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9887 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9888 spelling convensions.
9889 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9890 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9891 typos. Follow spelling conventions.
9893 2006-04-07 DJ Delorie <dj@redhat.com>
9895 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9896 passed on the stack.
9897 (m32c_init_cumulative_args): When a function returns a structure,
9898 always pass the pointer to that return area on the stack.
9899 (m32c_function_arg_advance): Don't increment the parameter number
9900 if we're processing the returned structure pointer.
9901 (pushm_info): Reverse order of registers.
9903 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9905 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9906 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9907 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9908 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9910 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9911 chrec_fold_multiply): Same.
9912 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9913 force_expr_to_var_cost): Same.
9914 * tree-mudflap.c (mf_xform_derefs_1): Same.
9915 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9917 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9919 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9920 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9923 2006-04-07 Jan Hubicka <jh@suse.cz>
9925 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9927 2006-04-07 Richard Guenther <rguenther@suse.de>
9929 PR tree-optimization/26135
9930 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9931 loads for store copy-prop.
9932 (copy_prop_visit_stmt): Likewise.
9934 2006-04-05 Robert Millan <robertmh@gnu.org>
9936 * config/i386/linux.h: Add a comment to mark macros that are
9937 being overriden in config/k*bsd-gnu.h.
9938 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9940 * config/knetbsd-gnu.h: Ditto.
9942 2006-04-06 Jan Hubicka <jh@suse.cz>
9946 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9949 2006-04-06 Mike Stump <mrs@apple.com>
9951 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9952 for HAVE_nonlocal_goto to be consistent.
9953 (expand_builtin_nonlocal_goto): Likewise.
9954 (expand_builtin_strcmp): Use #ifdef instead of #if
9955 for HAVE_cmpstrnsi to be consistent.
9957 2006-04-05 DJ Delorie <dj@redhat.com>
9959 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9962 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9964 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9965 got-relative addressing for anything but SImode.
9967 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9968 even if the calling function doesn't modify them.
9970 2006-04-05 Richard Guenther <rguenther@suse.de>
9972 PR tree-optimization/26919
9973 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9974 to cgraph_estimate_size_after_inlining.
9976 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9978 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9980 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9982 PR tree-optimization/26996
9983 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9984 VECTOR_TYPE variables.
9986 2006-04-05 Richard Guenther <rguenther@suse.de>
9988 PR tree-optimization/26763
9989 * fold-const.c (fold_comparison): Move folding of
9990 PTR + CST CMP PTR + CST ...
9991 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9993 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9995 * doc/install.texi (Prerequisites): Refine some wording on
9996 bootstrapping and ksh.
9997 Move the version numbers of DejaGnu here from the testing section
9998 and fix casing of names.
9999 Fix markup and clarify wording for autogen requirements.
10000 Refer to GCJ instead of just java.
10001 Refer to SVN instead of CVS.
10002 Describe diffutils as useful instead of necessary.
10003 (Downloading the source): Refer to SVN instead of CVS.
10004 Adjust a link to our web site accordingly.
10005 (Configuration): Fix casing of Bison.
10006 (Building): Refer to SVN instead of CVS.
10007 Fix a sentence on the use of Bison and remove duplicate (and
10008 incorrect) version number of Bison requirement.
10009 Remove one redundant list of packages needed for building.
10010 (Specific): Avoid reference to CVS.
10012 2006-04-04 Eric Christopher <echristo@apple.com>
10014 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10015 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10016 (rs6000_handle_struct_attribute): New.
10017 (rs6000_ms_bitfield_layout_p): Ditto.
10019 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10021 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10022 NULL for dso parameter to atexit_common.
10024 2006-04-04 Eric Christopher <echristo@apple.com>
10026 * config/i386/i386.c (machopic_output_stub): Output \t
10027 between instructions and operands.
10029 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10031 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10032 satisfies_constraint_[IL] to explicit tests on value.
10034 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10036 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10037 set_nb_iterations_in_loop): Use build_int_cst instead of
10038 build_int_cst_type.
10039 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10040 build_int_cst instead of convert.
10042 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10044 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10045 new value 2 for incoming.
10046 * function.c (expand_function_start): Call struct_value_rtx
10047 with incoming as 2.
10048 * config/sparc/sparc.md: Comment updated_return.
10049 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10050 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10051 struct return if sparc_std_struct_return and incoming is 2.
10052 (print_operand): Do not adjust return if
10053 sparc_std_struct_return.
10055 2006-04-04 Roger Sayle <roger@eyesopen.com>
10057 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10058 convert in the middle-end.
10059 * expr.c (store_expr, store_constructor, get_inner_reference,
10060 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10062 * tree.c (build_range_type): Likewise.
10064 2006-04-04 Tom Tromey <tromey@redhat.com>
10066 * doc/install.texi (Prerequisites): Mention jar.
10068 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10070 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10073 2006-04-04 Matthias Klose <doko@debian.org>
10075 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10079 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10082 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10084 * doc/extend.texi (Function Attributes): Rewrite visibility
10085 attribute documentation.
10086 * doc/invoke.texi (C++ Dialect Options): Rewrite
10087 -fvisibility-inlines-hidden documentation to describe something
10088 entirely different, although in practise compatible.
10089 (Code Gen Options): Warn about system headers in -fvisibility=
10092 * doc/extend.texi (Other Builtins): Document that
10093 __builtin_nan is a compile-time constant only when its argument
10096 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10098 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10099 trying to remove TRUNCATE check if all bits outside the new mode
10100 are identical to the sign bit.
10102 2006-04-03 Jeff Law <law@redhat.com>
10104 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10105 and operand scanning in some common cases.
10107 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10108 Dale Johannesen <dalej@apple.com>
10111 * regclass.c (struct reg_pref): Update documentation.
10112 (regclass): Set prefclass to NO_REGS if memory is the best option.
10113 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10114 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10115 into account. For non-registers, equate an empty preferred
10116 reload class to a `!' in the constraint; move the if clause to
10117 do so after those that reject the insn.
10118 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10120 (find_dummy_reload): Likewise.
10121 * doc/tm.texi (Register Classes): Document what it means
10122 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10123 * config/i386/i386.c (ix86_preferred_reload_class): Force
10124 using SSE registers (and return NO_REGS for floating-point
10125 constants) if math is done with SSE.
10126 (ix86_preferred_output_reload_class): New.
10127 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10128 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10129 * config/i386/i386.md: Remove # register preferences.
10131 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10134 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10135 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10136 the type of nb_iter.
10137 (instantiate_parameters_1): Convert the operands before calling
10138 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10139 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10141 2006-04-02 Roger Sayle <roger@eyesopen.com>
10143 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10144 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10145 instead of convert.
10146 * dojump.c (do_jump): Likewise.
10147 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10148 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10149 gimplify_boolean_expr): Likewise.
10150 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10151 * varasm.c (array_size_for_constructor): Likewise.
10152 * tree-object-size.c (compute_object_offset): Likewise.
10154 2006-04-02 Roger Sayle <roger@eyesopen.com>
10156 PR middle-end/26977
10157 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10158 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10160 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10162 PR tree-optimization/26939
10163 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10165 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10167 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10168 at_stmt. Convert the type of operands before calling
10169 build_polynomial_chrec.
10170 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10171 add_to_evolution_1.
10172 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10173 (instantiate_parameters_1): Convert the type of operands before calling
10174 build_polynomial_chrec.
10175 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10176 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10177 reset_evolution_in_loop): Insert asserts to check the types of the
10179 (chrec_type): Moved...
10180 (eq_evolutions_p): Use operand_equal_p.
10181 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10182 the types of the operands.
10183 (chrec_type): ...here.
10184 * tree-data-ref.c (create_data_ref): Convert the operands before
10185 calling chrec_replace_initial_condition.
10186 (same_access_functions, analyze_subscript_affine_affine,
10187 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10188 (compute_subscript_distance, analyze_ziv_subscript,
10189 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10190 analyze_miv_subscript): Convert the operands before calling
10191 chrec_fold_minus or chrec_fold_plus.
10193 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10195 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10196 the dependence_relations vector.
10197 (compute_data_dependences_for_loop): Adjust call to
10198 compute_all_dependences.
10200 2006-04-01 Roger Sayle <roger@eyesopen.com>
10201 Richard Henderson <rth@redhat.com>
10203 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10204 gimple_boolify on the condition before calling gimplify_expr.
10206 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10208 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10209 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10210 the frame size. Update to use the new macros.
10211 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10212 * config/xtensa/ieee754-df.S: Likewise.
10214 2006-03-31 Richard Henderson <rth@redhat.com>
10216 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10217 (make_edges): ... here. Control fallthru creation with a local
10218 variable. Do not play with fake edges.
10219 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10220 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10223 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10225 * dwarf2.h (DW64_CIE_ID): Define.
10226 * dwarf2out.c (DWARF_CIE_ID): Define.
10227 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10228 length header. Use DWARF_CIE_ID.
10229 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10230 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10232 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10234 * config/sh/linux-atomic.asm: New file.
10235 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10237 2006-03-31 DJ Delorie <dj@redhat.com>
10239 * config/m32c/cond.md: Set condition flags properly throughout.
10240 * config/m32c/minmax.md: Likewise.
10241 * config/m32c/prologue.md: Likewise.
10242 * config/m32c/bitops.md: Likewise.
10243 * config/m32c/muldiv.md: Likewise.
10244 * config/m32c/mov.md: Likewise.
10245 * config/m32c/addsub.md: Likewise.
10246 * config/m32c/m32c.md: Likewise.
10247 * config/m32c/jump.md: Likewise.
10248 * config/m32c/shift.md: Likewise.
10250 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10251 conditionally output the pattern for this.
10252 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10253 (m32c_compare_redundant): New.
10254 (m32c_output_compare): New.
10255 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10257 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10258 dest, not src. Allow other 4-byte modes.
10260 2006-03-30 Denis Chertykov <denisc@overta.ru>
10262 * doc/md.texi: Refer to avr/constraints.md instead of
10265 2006-03-30 Roger Sayle <roger@eyesopen.com>
10267 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10268 signed vs. unsigned comparison failures on some hosts.
10270 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10273 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10274 change to FLOAT_REGS.
10276 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10277 (rs6000_override_options): Use it.
10278 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10279 only for -mabi=spe/no-spe and -mabi=altivec.
10281 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10283 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10286 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10288 * Makefile.in: Rename docdir to gcc_docdir.
10290 2006-03-30 Roger Sayle <roger@eyesopen.com>
10293 * expr.c (emit_group_store): Optimize group stores into a pseudo
10294 register by using a paradoxical subreg to initialize the destination
10295 if the first or last member of the group specifies a "low part".
10297 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10300 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10301 * target.h (struct gcc_target.speculate_insn): Change type of the
10302 second parameter to 'int'.
10303 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10304 the second operand of the DEPS_LIST.
10305 (copy_DEPS_LIST_list): Update reference to the second operand of the
10307 * rtl.h (alloc_DEPS_LIST): Update signature.
10308 * sched-int.h (ds_t): Change typedef to 'int'.
10309 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10311 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10313 * haifa-sched.c (try_ready): Change condition to restore
10314 non-speculative pattern of the instruction.
10315 (process_insn_depend_be_in_spec): Code to keep probability of the
10316 speculative dependence non-decreasing.
10318 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10320 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10321 (single_move_for_movmem): ... this. Also change all uses.
10322 (bfin_expand_strmov): Renamed to...
10323 (bfin_expand_movmem): ... this. Also change all uses.
10324 * config/bfin/bfin.md (movstrsi): Renamed to...
10325 (movstrsi): ...this.
10327 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10329 PR tree-optimization/26830
10331 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10332 (copy_prop_visit_stmt): Remove write-only variable ann.
10333 (init_copy_prop): Check variable loop depth here. Do not simulate
10334 memory-tag and virtual operand PHIs except for store copy prop.
10336 2006-03-30 Richard Guenther <rguenther@suse.de>
10338 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10339 variants with double arguments.
10341 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10343 * genpreds.c (write_tm_constrs_h): Delete variable p.
10344 * genconditions.c (write_header): Add tm-constrs.h to included
10346 * genpeep.c (main): Add toplev.h to included headers.
10347 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10348 (build/genpeep.o): Add toplev.h dependency.
10349 * config/rs6000/constraints.md: Add "W" constraint.
10351 2006-03-29 Roger Sayle <roger@eyesopen.com>
10353 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10354 sizes by correctly testing whether the size fits a host integer.
10355 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10356 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10357 SImode range for the default sizetype and bitsizetype.
10359 2006-03-29 Roger Sayle <roger@eyesopen.com>
10361 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10362 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10363 quickly if the argument is already of the correct type.
10364 Call fold_build1 instead of build1. Tidy up blank lines.
10366 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10368 * genemit.c (main): Add tm-constrs.h to included headers.
10369 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10370 * genpeep.c (main): Add tm-constrs.h to included headers.
10371 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10372 (write_tm_constrs_h): this and write complete file.
10373 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10374 (write_insn_preds_c): Add tm-constrs.h to included headers.
10375 (gen_constrs): New variable.
10376 (parse_option): Parse "-c".
10377 (main): Invoke write_tm_constrs_h.
10378 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10379 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10380 (object_out_file): Add tm-constrs.h dependency.
10381 (insn-emit.o): Same.
10382 (insn-output.o): Same.
10383 (insn-peep.o): Same.
10384 (insn-preds.o): Same.
10385 (insn-recog.o): Same.
10386 (tm-constsr.h): New target.
10387 (s-constrs-h): New target.
10389 * config/rs6000/constraints.md: New file.
10390 * config/rs6000/rs6000.c: Include tm-constrs.h.
10391 (num_insn_constant_wide): Convert to satisfies_constraint.
10392 (rs6000_rtx_costs): Convert to satisfies_constraint.
10393 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10394 (CONST_OK_FOR_LETTER_P): Delete.
10395 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10396 (EXTRA_CONSTRAINT): Delete.
10397 (EXTRA_MEMORY_CONSTRAINT): Delete.
10398 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10399 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10400 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10401 satisfies_constraint.
10403 * config/i386/i386.c: Include tm-constrs.h.
10405 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10407 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10408 * tree-data-ref.c (find_data_references_in_loop,
10409 compute_data_dependences_for_loop): Use pointers to VEC.
10410 (analyze_all_data_dependences): Adjust calls.
10411 * tree-data-ref.h (find_data_references_in_loop,
10412 compute_data_dependences_for_loop): Adjust declarations.
10413 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10414 compute_data_dependences_for_loop.
10416 2006-03-29 Paul Brook <paul@codesourcery.com>
10418 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10419 (movdf_vfp): Ditto.
10421 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10423 PR tree-optimization/26859
10424 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10426 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10427 for the step after fold_convert.
10429 2006-03-29 Paul Brook <paul@codesourcery.com>
10431 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10432 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10434 2006-03-29 Paul Brook <paul@codesourcery.com>
10436 PR middle-end/23623
10437 * targhooks.c (default_narrow_bitfield): New fuction.
10438 * targhooks.h (default_narrow_bitfield): add prototype.
10439 * target.h (gcc_target): Add narrow_volatile_bitfield.
10440 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10441 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10442 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10443 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10445 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10447 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10449 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10450 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10451 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10452 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10453 (s390_function_arg_float): Allow SDmode and DDmode values to be
10454 passed in floating point registers.
10455 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10456 check with SCALAR_FLOAT_MODE_P.
10457 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10459 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10461 PR tree-optimization/25985
10462 * tree-ssa-loop-niter.c (number_of_iterations_le,
10463 number_of_iterations_ne): Make comments more precise.
10464 (number_of_iterations_cond): Add only_exit argument. Use the
10465 fact that signed variables do not overflow only when only_exit
10467 (loop_only_exit_p): New.
10468 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10469 number_of_iterations_cond.
10471 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10473 PR tree-optimization/26643
10474 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10477 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10479 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10480 (divsi3_i4_int): Likewise.
10482 2006-03-28 Roger Sayle <roger@eyesopen.com>
10484 * expr.c (emit_group_store): Only create a new pseudo reg if the
10485 quantity it needs to hold isn't already a suitable pseudo.
10487 2006-03-28 Jeff Law <law@redhat.com>
10489 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10490 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10492 2006-03-28 Roger Sayle <roger@eyesopen.com>
10494 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10495 the equivalent ~X & Y, and the symmetry related transformations.
10496 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10497 ~X & Y, and symmetry related transforms.
10499 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10501 Revert my 2006-03-27 patches.
10503 2006-03-28 Roger Sayle <roger@eyesopen.com>
10505 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10506 ~(T1)X, when T1 and T2 are integer types of the same precision
10507 and (T2)X isn't an extension.
10509 2006-03-28 Jeff Law <law@redhat.com>
10511 PR tree-optimization/26796
10512 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10513 need EH edge cleanups rather than purging them immediately.
10514 (eliminate_degenerate_phis): Handle queued EH cleanups.
10516 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10518 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10521 2006-03-27 Roger Sayle <roger@eyesopen.com>
10523 PR middle-end/22524
10524 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10525 cast BIT_NOT_EXPR operand to the correct type.
10527 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10529 * tree-loop-linear.c: Don't include varray.h.
10530 (gather_interchange_stats, try_interchange_loops,
10531 linear_transform_loops): Use VEC instead of VARRAY.
10532 * lambda-mat.c: Don't include varray.h.
10533 * tree-chrec.c: Same.
10534 * lambda-trans.c: Same.
10535 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10536 VEC instead of VARRAY.
10537 * tree-vectorizer.h: Idem.
10538 * tree-data-ref.c (dump_data_references,
10539 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10540 initialize_data_dependence_relation, finalize_ddr_dependent,
10541 compute_all_dependences, find_data_references_in_loop,
10542 compute_data_dependences_for_loop, analyze_all_data_dependences,
10543 free_dependence_relation, free_dependence_relations,
10544 free_data_refs): Idem.
10545 * tree-data-ref.h (data_reference_p, subscript_p): New.
10546 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10547 VEC instead of VARRAY.
10548 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10549 (find_data_references_in_loop, compute_data_dependences_for_loop,
10550 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10551 dump_data_dependence_relations, free_dependence_relations,
10552 free_data_refs): Adjust declaration.
10553 (lambda_transform_legal_p): Move declaration here...
10554 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10555 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10556 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10557 vect_analyze_data_refs): Use VEC instead of VARRAY.
10558 * lambda.h (lambda_transform_legal_p): ...from here.
10559 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10560 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10561 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10562 tree-chrec.o): Don't depend on VARRAY_H.
10564 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10566 * rtl.def (Copyright): Update date.
10567 (DEPS_LIST): Change type of the second operand to 'int'.
10568 * target.h (Copyright): Update date.
10569 (struct gcc_target.speculate_insn): Change type of the second parameter
10571 * lists.c (Copyright): Update date.
10572 (alloc_DEPS_LIST): Change signature. Update reference to the second
10573 operand of the DEPS_LIST.
10574 (copy_DEPS_LIST_list): Update reference to the second operand of the
10576 * rtl.h (Copyright): Update date.
10577 (alloc_DEPS_LIST): Update signature.
10578 * sched-int.h (Copyright): Update date.
10579 (ds_t): Change typedef to 'int'.
10580 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10582 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10584 * haifa-sched.c (Copyright): Update date.
10585 (try_ready): Change condition to restore non-speculative pattern
10586 of the instruction.
10587 (process_insn_depend_be_in_spec): Code to keep probability of the
10588 speculative dependence non-decreasing.
10590 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10592 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10593 shut up the compiler.
10595 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10597 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10598 to use lib prefix for target.
10599 ($(T)libic_invalidate_array_4-200.a): Likewise.
10600 ($(T)libic_invalidate_array_4a.a): Likewise.
10602 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10603 J"orn Rennecke <joern.rennecke@st.com>
10605 * superh.opt: New file.
10606 * sh.c (boardtype, osruntime): Remove.
10607 * superh.h (SUBTARGET_OPTIONS): Remove.
10608 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10610 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10611 arguments with ^ and/or [].
10613 * config.gcc (sh-*-*): Add quoting to account for quirk of
10615 Replace == with = in enable_incomplete_targets test.
10617 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10618 with MASK_LITTLE_ENDIAN.
10620 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10621 * config/sh/sh.opt: Added to some comments.
10622 * config/sh/superh.h: Removed some chaff.
10624 * config/sh/sh.opt: Add m4-[1234]00* options.
10625 * config/sh/sh.c (sh_handle_option): Likewise.
10626 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10627 (ic_invalidate_array_4-100.o): New rule.
10628 ($(T)libic_invalidate_array_4-100.a): Likewise.
10629 (ic_invalidate_array_4-200.o): Likewise.
10630 ($(T)libic_invalidate_array_4-200.a): Likewise.
10631 (ic_invalidate_array_4a.o): Likewise.
10632 ($(T)libic_invalidate_array_4a.a): Likewise.
10633 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10634 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10636 * config/sh/crt1.asm: Merged in profiling code.
10637 * config/sh/superh.h (STARTFILE_SPEC): Override.
10638 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10639 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10640 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10642 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10643 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10644 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10646 * sh.opt (mpretend-cmove): New option.
10647 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10648 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10649 (movsicc): Add TARGET_PRETEND_CMOVE code.
10651 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10653 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10654 s390_class_max_nregs): New function prototypes.
10655 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10656 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10657 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10658 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10660 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10662 * dwarf2out.c (add_location_or_const_value_attribute): Call
10663 tree_add_const_value_attribute if nothing else works.
10664 (reference_to_unused): New.
10665 (rtl_for_decl_init): Use reference_to_unused to decide whether
10666 to output an initializer.
10668 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10671 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10672 peephole removing spe frob_di_df_2.
10674 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10676 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10677 (subscript_dependence_tester_1): Declared.
10678 (print_dir_vectors, print_dist_vectors): New.
10679 (debug_data_dependence_relation): New.
10680 (dump_data_dependence_relation): Print more details.
10681 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10682 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10683 (save_dist_v, save_dir_v, add_outer_distances,
10684 build_classic_dist_vector_1): New.
10685 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10686 Don't test for lambda_vector_lexico_pos.
10687 (same_access_functions, add_multivariate_self_dist,
10688 add_other_self_distances, dir_from_dist): New.
10689 (build_classic_dir_vector): Replace implementation almost identical to
10690 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10692 (subscript_dependence_tester_1): New.
10693 (subscript_dependence_tester): Handle the lexicographically negative
10694 distance vectors by recomputing the dependence relation.
10695 (compute_affine_dependence): Remove parameter loop_nest_depth.
10696 (compute_self_dependence): Don't call compute_subscript_distance.
10697 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10698 Add a parameter for the loop_nest.
10699 (find_loop_nest_1, find_loop_nest): New.
10700 (compute_data_dependences_for_loop): Compute the loop nest, and give
10701 up if the nest is not well formed.
10702 * tree-data-ref.h (loop_p): New.
10703 (struct data_dependence_relation): Replace size_vect field with
10704 loop_nest, a vec of loops.
10705 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10706 (DDR_LOOP_NEST): New.
10707 (print_dir_vectors, print_dist_vectors,
10708 debug_data_dependence_relation): Declared.
10709 (index_in_loop_nest): New.
10710 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10711 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10714 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10716 * simplify-rtx.c (simplify_relational_operation): Call
10717 simplify_relational_operation_1 even if mode is VOIDmode.
10719 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10721 PR tree-optimization/26804
10722 * tree.h (DECL_CALL_CLOBBERED): New macro.
10723 (tree_decl_common): Add call_clobbered_flag.
10724 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10725 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10726 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10727 (mark_non_addressable): Ditto.
10728 * tree-ssa.c (verify_call_clobbered): New function.
10729 (verify_alias_info): Use it.
10730 * tree-pass.h (pass_reset_cc_flags): New prototype.
10731 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10732 (reset_cc_flags): New function.
10733 * passes.c (init_optimization_passes): Call reset_cc_flags after
10734 initializing referenced_vars.
10736 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10737 Roger Sayle <roger@eyesopen.com>
10739 PR middle-end/26717
10740 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10741 to 1.0 for non-real operands. Implement A / A optimization for
10744 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10746 * config/i386/i386.c (size_cost): Correct the comment for
10747 cost of storing fp registers.
10748 (i386_cost): Likewise.
10749 (i486_cost): Likewise.
10750 (pentium_cost): Likewise.
10751 (pentiumpro_cost): Likewise.
10752 (k6_cost): Likewise.
10753 (athlon_cost): Likewise.
10754 (k8_cost): Likewise.
10755 (pentium4_cost): Likewise.
10756 (nocona_cost): Likewise.
10757 (generic64_cost): Likewise.
10758 (generic32_cost): Likewise.
10760 2006-03-24 Denis Chertykov <denisc@overta.ru>
10762 * config/avr/avr-protos.h (extra_constraint): Delete.
10763 (extra_constraint_Q): New declaration.
10764 * config/avr/constraints.md: New file.
10765 * config/avr/avr.md: Include it.
10766 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10767 (TMP_REGNO, ZERO_REGNO): Likewise.
10768 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10769 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10770 (extra_constraint): Delete.
10771 (extra_constraint_Q): Test for memory constraint 'Q'.
10772 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10773 (REG_CLASS_FROM_LETTER): Delete.
10774 (CONST_OK_FOR_LETTER_P): Delete.
10775 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10776 (EXTRA_CONSTRAINT): Delete.
10777 (TMP_REGNO): Delete.
10778 (ZERO_REGNO): Delete.
10780 2006-03-24 Jeff Law <law@redhat.com>
10782 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10783 directly. Call mark_new_vars_to_rename slightly earlier.
10785 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10787 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10788 (is_cxx): Likewise.
10789 (gen_compile_unit_die): Use new language types for Objective-C and
10791 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10792 DW_LANG_C_plus_plus.
10795 * config/t-darwin (crt3.o): Work around bug 26840.
10796 * config/darwin-crt3.c: Rewrite.
10797 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10799 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10801 * doc/invoke.texi: Document -femit-class-debug-always
10802 * common.opt: Add -femit-class-debug-always.
10804 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10806 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10807 index and base register.
10808 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10809 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10810 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10811 REGNO_OK_FOR_INDEX_P.
10812 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10814 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10815 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10816 REG_OK_FOR_BASE_P): Definitions removed.
10818 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10820 PR middle-end/26611
10821 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10822 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10823 set yet or weren't marked as local yet.
10825 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10827 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10830 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10832 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10833 (rs6000_legitimate_small_data_p): Delete.
10834 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10835 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10836 and make static. Add forward declaration. Update uses.
10837 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10838 of offsettable_memref_p.
10839 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10840 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10842 2006-03-24 Jeff Law <law@redhat.com>
10844 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10845 around bug in immediate-use iterator.
10847 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10850 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10851 or __LITTLE_ENDIAN__.
10853 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10855 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10856 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10857 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10858 * config/sh/sh.opt (mdiv=): Amend description.
10859 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10860 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10861 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10862 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10863 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10864 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10865 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10866 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10867 TARGET_DIVIDE_CALL_FP.
10869 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10871 * haifa-sched.c (choose_ready): Fix type of the local variable.
10872 Move local variables. Add comment.
10873 (check_reg_live): Change signature. Make callable from debugger.
10874 * sched-int.h (check_reg_live): Update signature.
10875 * sched-ebb.c (check_reg_live): Update parameters.
10876 * sched-rgn.c (check_reg_live): Ditto.
10877 (region_head_or_leaf_p): Check pointer before dereferencing.
10878 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10879 before reload on optimization levels below 1.
10881 2006-03-23 Richard Henderson <rth@redhat.com>
10883 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10887 * config/alpha/predicates.md (local_symbolic_operand): Reject
10890 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10893 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10894 expressions which have overflowed constants.
10896 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10898 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10900 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10902 * cfgloopmanip.c (create_loop_notes): Removed.
10903 * final.c (final_scan_insn): Do not handle loop notes.
10904 * jump.c (squeeze_notes): Ditto.
10905 * cfglayout.c (skip_insns_after_block,
10906 duplicate_insn_chain): Ditto.
10907 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10909 * cfgloop.h (create_loop_notes): Declaration removed.
10911 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10913 * varasm.c (output_constant_pool): Restore fnname and fndecl
10915 (assemble_start_function): Adjust call accordingly.
10916 (assemble_end_function): Likewise.
10918 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10921 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10924 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10926 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10929 * system.h (ICE_EXIT_CODE): New macro.
10930 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10931 (diagnostic_action_after_output): Likewise.
10932 * gcc.c (fatal_ice): New function.
10933 (execute): Use it instead of fatal.
10934 (fancy_abort): Likewise.
10935 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10937 2006-03-22 Jeff Law <law@redhat.com>
10939 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10940 iv_analyze_result returning false.
10942 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10944 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10946 2006-03-22 Richard Henderson <rth@redhat.com>
10948 PR middle-end/26084
10949 * except.c (duplicate_eh_regions_0): New.
10950 (duplicate_eh_region_1): Duplicate the children of the node as
10951 well as the node itself. Link them up properly.
10952 (duplicate_eh_region_2): Merge into ...
10953 (duplicate_eh_regions): ... here. Take copy_region argument, and
10954 copy only a sub-tree if asked. Simplify copying and fixup.
10955 (eh_region_outer_p): New.
10956 * except.h (duplicate_eh_regions): Update decl.
10957 (eh_region_outer_p): Declare.
10958 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10959 (lower_omp_master): Likewise.
10960 (lower_omp_ordered): Likewise.
10961 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10962 (move_stmt_r): Use it to remap labels. Handle recursion vs
10963 remap_decls_p properly.
10964 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10965 (find_outermost_region_in_block): New.
10966 (new_label_mapper): New.
10967 (move_sese_region_to_fn): Copy eh information to the new function
10969 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10971 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10974 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10976 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10977 into shared libraries.
10979 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10981 * doc/md.texi: Refer to i386/constraints.md instead of
10982 i386/predicates.md.
10983 * config/i386/constraints.md: New file, extracted from...
10984 * config/i386/predicates.md: ...here.
10985 * config/i386/i386.md: Include constraints.md.
10987 2006-03-21 Jason Merrill <jason@redhat.com>
10989 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10991 PR middle-end/20297
10992 * expr.c (init_block_move_fn): Force default visibility.
10993 (init_block_clear_fn): Likewise.
10994 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10995 * targhooks.c (default_external_stack_protect_fail): Likewise.
10997 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10999 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11000 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11001 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11002 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11003 (loadgp): Use mips_current_loadgp_style.
11004 (loadgp_noshared): New pattern.
11005 (sibcall_internal): Use MIPS_CALL.
11006 (sibcall_value_internal): Likewise.
11007 (sibcall_value_multiple_internal): Likewise.
11008 (call_internal): Likewise.
11009 (call_value_internal): Likewise.
11010 (call_value_multiple_internal): Likewise.
11011 (call_split): Use MIPS_CALL and add an 'S' constraint.
11012 (call_value_split): Likewise.
11013 (call_value_multiple_split): Likewise.
11014 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11015 (-mshared): New option.
11016 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11017 (mips_current_loadgp_style): Declare.
11018 * config/mips/mips.c (mips_classify_symbol): Avoid using
11019 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11020 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11021 TARGET_ABSOLUTE_ABICALLS.
11022 (override_options): Adjust comments. Improve the warning that is
11023 issued when -mabicalls and -G are used together.
11024 (mips_file_start): Remove comment.
11025 (mips_current_loadgp_style): New function.
11026 (mips_gnu_local_gp): New variable.
11027 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11029 (mips_output_function_prologue): Use mips_current_laodgp_style.
11030 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11031 the cprestore instruction.
11032 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11033 live for TARGET_ABSOLUTE_ABICALLS.
11034 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11035 (ASM_SPEC): Pass down -mshared and -mno-shared.
11036 (MIPS_CALL): New macro.
11037 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11039 * doc/invoke.texi (-mabicalls): Update documentation.
11040 (-mshared): Document.
11042 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11044 * config/ia64/unwind-hpux.c: New file.
11045 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11047 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11050 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11052 2006-03-21 Jeff Law <law@redhat.com>
11054 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11055 type conversions of a VR_VARYING source to a wider type.
11057 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11059 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11060 tm_file on Solaris 10 and later.
11061 (sparc64-*-solaris2*): Likewise.
11062 (sparc-*-solaris2*): Likewise.
11063 * config/sol26.h: Rename to config/sol2-6.h.
11064 * config/sol2-10.h: New file.
11066 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11069 * tree-ssa-pre.c (create_component_ref_by_pieces):
11072 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11075 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11076 return it immediately.
11078 2006-03-21 Michael Matz <matz@suse.de>
11080 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11082 (remove_arc, add_arc): Update num_out_arcs member.
11083 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11085 (cache_presence): New function.
11086 (compare_states_for_equiv): New function.
11087 (state_is_differed): Don't take number of outargs, adjust callers.
11088 Use new invariant for speeding up.
11089 (init_equiv_class): Create initial classes based on sorted
11091 (partition_equiv_class): Don't track out_arcs_num.
11092 (evaluate_equiv_classes): Call cache_presence on all states and
11095 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11097 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11098 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11099 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11100 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11102 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11103 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11104 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11105 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11106 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11108 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11109 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11110 (REGNO_REG_CLASS): ARGP is in PREGS.
11111 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11113 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11114 to deal with those addresses.
11115 * addresses.h: New file.
11116 * caller-save.c: Include "addresses.h".
11117 (init_caller_save): Use new base_reg_class function.
11118 * rtl-factoring.c: Include "addresses.h".
11119 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11120 * recog.c: Include "addresses.h".
11121 (preprocess_constraints): Use new base_reg_class function.
11122 * regrename.c: Include "addresses.h".
11123 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11124 functions. Keep track of a new var INDEX_CODE to compute valid
11126 (replace_oldest_value_addr): Likewise.
11127 (replace_oldest_value_mem): Use base_reg_class.
11128 * reload.c: Include "addresses.h".
11129 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11130 (find_reloads): Use new base_reg_class function.
11131 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11132 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11133 all callers and prototype changed.
11134 * reload1.c: Include "addresses.h".
11135 (maybe_fix_stack_asms): Use base_reg_class.
11136 * regclass.c: Include "addresses.h".
11137 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11138 (init_reg_autoinc): Use new base_reg_class function.
11139 (record_reg_classes): Likewise.
11140 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11141 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11142 Use new args to compute necessary class.
11144 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11145 regrename.o, rtl-factoring.o): Update dependencies.
11146 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11147 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11148 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11149 REG_OK_FOR_INDEX_P): Delete documentation.
11151 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11153 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11154 from V7 to V9 for Solaris 7 and above.
11156 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11158 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11159 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11160 argument pointers may not alias any other storage.
11161 * common.opt: Define option -fargument-noalias-anything.
11162 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11163 alias semantics is specified by flag_argument_noalias > 2.
11165 2006-03-20 Jeff Law <law@redhat.com>
11167 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11168 (pass_phi_only_cprop): Declare.
11169 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11170 with phi_only_cprop
11171 * tree-ssa-dom.c (degenerate_phi_result): New function.
11172 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11173 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11174 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11175 (eliminate_degenerate_phis): Likewise.
11176 (pass_phi_only_cprop): New pass descriptor.
11177 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11178 support code. Callers updated.
11179 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11180 (store_copy_prop): Likewise.
11181 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11183 2006-03-20 Jason Merrill <jason@redhat.com>
11186 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11187 (push_visibility, pop_visibility): Likewise.
11188 * c-pragma.h: Declare them.
11190 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11192 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11194 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11195 parameter and use get_ebb_head_tail.
11196 (sh_md_init_global): Adjust uses of find_regmode_weight.
11198 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11200 * function.h (struct function) <x_tail_recursion_reentry>:
11201 Rename to x_stack_check_probe_note.
11202 (tail_recursion_reentry): Rename to stack_check_probe_note.
11203 * function.c: Replace tail_recursion_reentry with
11204 stack_check_probe_note everywhere.
11205 (expand_function_start): Only emit a note for
11206 stack_check_probe_note with -fstack-protect.
11207 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11209 * emit-rtl.c (remove_unnecessary_notes): Remove.
11210 (pass_remove_unnecessary_notes): Remove.
11211 * rtl.h (remove_unnecessary_notes): Remove prototype.
11212 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11213 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11214 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11216 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11219 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11220 (valid_in_set): Handle ARRAY_REF.
11221 Change "if min_variant or VH" to asserts.
11222 (create_component_ref_by_pieces): Handle ARRAY_REF.
11223 (create_expression_by_pieces): Likewise.
11224 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11226 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11228 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11229 is operand of switch, not str[0].
11231 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11233 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11234 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11236 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11238 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11239 end of insn_extra_address_constraint declaration.
11241 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11243 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11244 (no-sum-in-toc): Same.
11245 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11247 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11248 NO_FP_IN_TOC for -fPIC instead of mask.
11250 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11251 (BOOT_LDFLAGS): Delete.
11253 * config/rs6000/t-aix52: Same.
11255 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11256 (stmsi[345678]_power): New.
11258 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11260 * config/ia64/ia64.opt: Add empty line to end of file.
11262 2006-03-17 Richard Guenther <rguenther@suse.de>
11264 PR middle-end/26721
11265 * builtins.c (get_pointer_alignment): For component style references
11266 adjust alignment to the component type alignment. Make sure
11267 to adjust alignment for component access of constants.
11269 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11271 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11272 unconditional jump.
11274 2006-03-17 Paul Brook <paul@codesourcery.com>
11276 * doc/install.texi: Docuemnt --with-mode.
11277 * config.gcc: Add --with-mode for arm*-*-*.
11278 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11280 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11282 * sh.c (max_labelno_before_reorg): New variable.
11283 (sh_reorg): Initialize it.
11284 (find_barrier): Check max_labelno_before_reorg before using
11285 label_to_alignment. Take length of explicit alignment insns
11286 into account. When seeing a UNSPECV_CONST_END, return it.
11288 * sh.c (fixup_mova): Set mode of affected label to QImode.
11289 (untangle_mova): New function.
11290 (find_barrier): Use it. Check mode of label before decrementing
11292 (sh_reorg): Likewise.
11293 Set mode of all insns back to VOIDmode.
11295 * sh.c (MOVA_LABELREF): New macro.
11296 (mova_p, fixup_mova, sh_reorg): Use it.
11297 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11298 ADDR_DIFF_VEC matches mova.
11300 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11302 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11303 with ATTRIBUTE_UNUSED.
11305 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11307 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11308 pointer, instead of assuming it is possible to derive the
11309 correct args size from a call insn.
11311 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11313 * rtl.h (CONST_INT_P): Define.
11314 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11315 instead of GET_CODE(x) == CONST_INT.
11316 (vax_rtx_costs): Likewise.
11317 (vax_output_int_move): Likewise.
11318 (vax_output_int_add): Likewise.
11319 (legitimate_constant_address_p): Likewise.
11320 (index_term_p): Likewise.
11321 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11322 * config/vax/vax.md (and<mode>3): Likewise.
11323 (ashrsi3): Likewise.
11325 (movstricthi): Likewise.
11326 (movstrictqi): Likewise.
11327 (rotrsi3): Likewise.
11328 (five unnamed insns): Likewise.
11330 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11332 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11333 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11334 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11335 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11336 Pass to ASM_OUTPUT_DWARF_OFFSET.
11337 * dwarf2out.c (debug_frame_section): New.
11338 (output_call_frame_info): Use debug_frame_section. Pass it to
11339 dw2_asm_output_offset.
11340 (output_die): Pass appropriate section to dw2_asm_output_offset.
11341 (output_compilation_unit_header): Likewise.
11342 (output_pubnames): Likewise.
11343 (output_aranges): Likewise.
11344 (enum dw_val_class): Break dw_val_class_lbl_offset into
11345 dw_val_class_lineptr and dw_val_class_macptr.
11346 (add_AT_lbl_offset): Delete.
11347 (add_AT_lineptr): New.
11348 (add_AT_macptr): New.
11349 (AT_lbl): Expect a lineptr or macptr.
11350 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11351 (attr_checksum): Likewise.
11352 (same_dw_val_p): Likewise.
11353 (size_of_die): Likewise.
11354 (value_format): Likewise.
11355 (output_die): Likewise.
11356 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11358 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11359 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11360 * config/darwin-protos.h (darwin_file_start): New.
11361 (darwin_asm_output_dwarf_offset): New.
11362 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11363 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11365 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11366 if not EH section; simplify.
11367 (darwin_file_start): New.
11368 (darwin_asm_output_dwarf_offset): New.
11369 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11371 (DEBUG_INFO_SECTION): Likewise.
11372 (DEBUG_ABBREV_SECTION): Likewise.
11373 (DEBUG_ARANGES_SECTION): Likewise.
11374 (DEBUG_MACINFO_SECTION): Likewise.
11375 (DEBUG_LINE_SECTION): Likewise.
11376 (DEBUG_LOC_SECTION): Likewise.
11377 (DEBUG_PUBNAMES_SECTION): Likewise.
11378 (DEBUG_STR_SECTION): Likewise.
11379 (DEBUG_RANGES_SECTION): Likewise.
11380 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11381 (ASM_OUTPUT_DWARF_OFFSET): New.
11383 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11385 * config.gcc (tm_defines): Always add to previous value rather
11388 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11390 * config/mips/predicates.md (splittable_const_int_operand): New,
11391 split from move_operand.
11392 (splittable_symbolic_operand): New.
11393 (move_operand): Add commentary. Use splittable_const_int_operand.
11394 Inline mips_atomic_symbolic_constant_p.
11395 * config/mips/mips.md: Add combine splitters for handling moves
11396 of splittable_const_int_operands and splittable_symbolic_operands.
11397 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11398 (mips_split_symbol): Declare.
11399 (mips_move_integer): Declare.
11400 * config/mips/mips.c (mips_split_p): Make global.
11401 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11402 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11403 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11404 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11405 (mips_offset_within_object_p): Handle block symbols.
11406 (mips_atomic_symbolic_constant_p): Delete.
11407 (mips_cannot_force_const_mem): Return false for constants that
11408 mips_legitimize_move can handle.
11409 (mips_use_blocks_for_constant_p): New function.
11410 (mips_split_symbol): Make global.
11411 (mips_move_integer): Likewise. Add a temporary register argument.
11412 (mips_legitimize_const_move): Use splittable_const_int_operand and
11413 splittable_symbolic_operand.
11414 (mips_use_anchors_for_symbol_p): New function.
11415 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11416 (mips_split_p): Declare.
11418 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11420 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11421 (mips*-*-linux*): Likewise.
11423 2006-03-16 Roger Sayle <roger@eyesopen.com>
11424 Daniel Speyer <dspeyer@wam.umd.edu>
11426 PR middle-end/18259
11427 * tree-dump.c (dump_real): New function.
11428 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11429 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11430 (tree-dump.o): Add $(REAL_H) to the dependencies.
11432 2006-03-16 Roger Sayle <roger@eyesopen.com>
11434 PR middle-end/21781
11435 * real.c (real_from_string): If the mantissa is zero, don't bother
11436 parsing the exponent as the result should always be zero.
11438 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11440 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11442 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11444 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11445 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11446 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11447 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11448 ia64_sched_finish_global): New static functions to implement
11449 hooks from gcc_target.sched.
11450 (spec_check_no, max_uid, pending_data_specs): New static variables.
11451 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11452 ia64_spec_check_src_p): New static functions.
11453 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11454 (TARGET_SCHED_ADJUST_COST): Removed.
11455 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11456 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11457 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11458 TARGET_SCHED_GEN_CHECK,
11459 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11460 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11461 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11462 Fixed to handle speculation checks.
11463 (rtx_needs_barrier): Fixed to handle speculative loads and
11465 (ia64_variable_issue): Added code to count speculative loads and their
11467 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11469 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11471 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11473 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11474 (ia64_reorg): Reset stops_p to NULL after it is freed.
11475 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11476 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11477 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11479 (data_speculative, control_speculative, check_load): New attributes.
11480 (mov<mode>_advanced, mov<mode>_speculative,
11481 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11482 zero_extend<mode>di2_speculative,
11483 zero_extend<mode>di2_speculative_advanced): New patterns for
11484 data and control speculative loads.
11485 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11487 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11488 New pattern for data and control speculation checks.
11489 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11490 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11491 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11492 Auxiliary definitions for the patterns.
11493 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11494 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11496 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11498 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11499 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11500 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11501 New resource constraints.
11502 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11504 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11505 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11506 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11507 msched-in-control-spec, msched-ldc, msched-control-ldc,
11508 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11509 msched-prefer-non-control-spec-insns,
11510 msched-count-spec-in-critical-path): New flags to tune speculative
11512 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11513 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11514 msched-in-control-spec, msched-ldc, msched-control-ldc,
11515 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11516 msched-prefer-non-control-spec-insns,
11517 msched-count-spec-in-critical-path): Document new flags.
11519 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11521 * target.h (struct spec_info_def): New opaque declaration.
11522 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11523 speculate_insn, needs_block_p, gen_check,
11524 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11525 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11526 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11527 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11528 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11529 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11531 (TARGET_SCHED): Use new macros.
11532 * rtl.h (copy_DEPS_LIST_list): New prototype.
11533 * sched-int.h (struct sched_info): Change signature of new_ready field,
11534 adjust all initializations. New fields: add_remove_insn,
11535 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11536 region_head_or_leaf_p.
11537 (struct spec_info_def): New structure declaration.
11538 (spec_info_t): New typedef.
11539 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11540 recovery_block, orig_pat.
11541 (glat_start, glat_end): New variables declaraions.
11542 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11544 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11545 DETACH_LIFE_INFO, USE_GLAT.
11546 (enum SPEC_SCHED_FLAGS): New enumeration.
11547 (NOTE_NOTE_BB_P): New macro.
11548 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11549 attach_life_info, debug_spec_status, check_reg_live): New functions.
11550 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11551 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11553 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11554 * ddg.c (get_block_head_tail): Adjust all uses.
11555 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11556 (sms_sched_info): Initialize new fields.
11557 (contributes_to_priority): Removed.
11558 * haifa-sched.c (params.h): New include.
11559 (get_block_head_tail): Adjust all uses.
11560 (ISSUE_POINTS): New macro.
11561 (glat_start, glat_end): New global variables.
11562 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11563 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11564 old_last_basic_block, before_recovery, current_sched_info_var,
11565 rgn_n_insns, luid): New static variables.
11566 (insn_cost1): New function. Move logic from insn_cost to here.
11567 (find_insn_reg_weight1): New function. Move logic from
11568 find_insn_reg_weight to here.
11569 (reemit_notes, move_insn, max_issue): Change signature.
11570 (move_insn1): Removed.
11571 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11572 extend_bb): New static functions to support extension of scheduler's
11574 (generate_recovery_code, process_insn_depend_be_in_spec,
11575 begin_speculative_block, add_to_speculative_block,
11576 init_before_recovery, create_recovery_block, create_check_block_twin,
11577 fix_recovery_deps): New static functions to support
11578 generation of recovery code.
11579 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11580 restore_bb_notes, move_block_after_check, move_succs): New static
11581 functions to support ebb scheduling.
11582 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11583 functions to support handling of register live information.
11584 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11585 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11586 add_jump_dependencies): New static functions.
11587 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11588 consistancy checking.
11589 (debug_spec_status): New function to call from debugger.
11590 (priority): Added code to handle speculation checks.
11591 (rank_for_schedule): Added code to distinguish speculative instructions.
11592 (schedule_insn): Added code to handle speculation checks.
11593 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11594 Fixed to handle ebbs.
11595 (move_insn): Added code to handle ebb scheduling.
11596 (max_issue): Added code to use ISSUE_POINTS of instructions.
11597 (choose_ready): Added code to choose between speculative and
11598 non-speculative instructions.
11599 (schedule_block): Added code to handle ebb scheduling and scheduling of
11600 speculative instructions.
11601 (sched_init): Initialize new variables.
11602 (sched_finish): Free new variables. Print statistics.
11603 (try_ready): Added code to handle speculative instructions.
11604 * lists.c (copy_DEPS_LIST_list): New function.
11605 * sched-deps.c (extend_dependency_caches): New function. Move logic
11606 from create_dependency_caches to here.
11607 (get_dep_weak, ds_merge): Make global.
11608 * genattr.c (main): Code to output prototype for
11609 dfa_clear_single_insn_cache.
11610 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11611 (output_dfa_clean_insn_cache_func): Code to output
11612 dfa_clear_single_insn_cache function.
11613 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11615 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11617 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11618 New static variables.
11619 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11620 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11622 (ebb_sched_info): Initialize new fields.
11623 (get_block_head_tail): Adjust all uses.
11624 (compute_jump_reg_dependencies): Fixed to use glat_start.
11625 (schedule_ebb): Code to remove unreachable last block.
11626 (schedule_ebbs): Added code to update register live information.
11627 * sched-rgn.c (region_sched_info): Initialize new fields.
11628 (get_block_head_tail): Adjust all uses.
11629 (last_was_jump): Removed. Adjust users.
11630 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11631 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11632 Implement new hooks.
11633 (check_dead_notes1): New static function.
11634 (struct region): New fields: dont_calc_deps, has_real_ebb.
11635 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11636 (BB_TO_BLOCK): Fixed to handle EBBs.
11637 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11638 (ebb_head): New static variable.
11639 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11640 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11642 (compute_dom_prob_ps): New assertion.
11643 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11644 global_live_at_start.
11645 (init_ready_list): New assertions.
11646 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11647 (new_ready): Add support for BEGIN_CONTROL speculation.
11648 (schedule_insns): Fixed code that updates register live information
11650 (schedule_region): Fixed to handle EBBs.
11651 (init_regions): Use extend_regions and check_dead_notes1.
11652 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11653 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11654 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11655 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11656 TARGET_SCHED_GEN_CHECK,
11657 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11658 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11659 * doc/invoke.texi (max-sched-insn-conflict-delay,
11660 sched-spec-prob-cutoff): Document.
11662 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11664 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11665 inter_tick, queue_index.
11666 (struct sched_info): Change signature of init_ready_list field.
11667 Adjust all initializations.
11668 (RESOLVED_DEPS): New access macro.
11669 (ready_add): Remove prototype.
11670 (try_ready): Add prototype.
11671 * sched-rgn.c (init_ready_list): Use try_ready.
11672 (schedule_region): Initialize
11673 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11674 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11675 (init_ready_list): Use try_ready.
11676 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11677 * lists.c (remove_list_elem): Remove `static'.
11678 (remove_free_INSN_LIST_elem): New function.
11679 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11680 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11681 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11683 (readyp): New variable.
11684 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11685 change_queue_index, resolve_dep): New static functions.
11686 (try_ready): New function. Adjust callers in sched-rgn.c and
11687 sched-ebb.c to use it instead of ready_add.
11688 (clock_var): Move at the begining of file.
11689 (rank_for_schedule): Fix typo.
11690 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11691 (ready_lastpos): Enforce assertion.
11692 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11693 update all callers.
11694 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11695 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11696 (queue_to_ready): Use free_INSN_LIST_list.
11697 (early_queue_to_ready): Fix typo.
11698 (schedule_block): Init readyp. Move init_ready_list call after the
11699 initialization of clock_var. Fix error in rejecting insn by
11700 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11701 that previously corrected INSN_TICKs. Add code for handling
11703 (set_priorities): Fix typo.
11704 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11705 Clarify comment and code that keeps current_sched_info->next_tail
11708 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11710 * sched-rgn.c (extend_rgns): New static function.
11711 (find_rgns): Use it.
11712 (gather_region_statistics, print_region_statistics): New static
11714 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11715 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11717 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11718 Andrey Belevantsev <abel@ispras.ru>
11720 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11721 * lists.c (unused_deps_list): New variable.
11722 (free_list): Add assertions to verify the proper distinguishing
11723 between INSN_LISTs and DEPS_LISTs.
11724 (find_list_elem, remove_list_elem, remove_list_node): New static
11726 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11727 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11728 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11729 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11731 (free_INSN_LIST_node): Likewise.
11732 * modulo-sched.c (current_sched_info): Initialize flags field.
11733 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11734 * rtl.def (DEPS_LIST): Define.
11735 * rtl.h: Declare new functions from lists.c.
11736 * sched-deps.c (spec_dependency_cache): New static variable.
11737 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11738 (add_dependence): Change return type to void. Move the logic to ...
11739 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11740 (delete_all_dependences): Add comment about forward_dependency_cache.
11741 Handle spec_dependency_cache. Handle DEPS_LISTs.
11742 (fixup_sched_groups): Clarify the change of priority of output
11743 and anti dependencies.
11744 (sched_analyze_2): Adjust add_dependence calls to create data
11745 speculative dependence.
11746 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11747 Adjust all callers. Handle DEPS_LISTS.
11748 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11749 presence of speculation.
11750 (init_dependency_caches, free_dependency_caches):
11751 Handle spec_dependency_cache.
11752 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11753 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11754 New static functions.
11755 (add_or_update_back_dep, add_or_update_back_forw_dep,
11756 add_back_forw_dep, delete_back_forw_dep): New functions.
11757 * sched-int.h (ds_t, dw_t): New typedefs.
11758 (struct sched_info): Add new field flags.
11759 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11760 Prototype new sched-deps.c functions.
11761 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11762 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11763 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11764 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11765 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11766 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11768 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11770 * sched-rgn.c (current_sched_info): Initialize flags field.
11771 (schedule_insns): Initialize current_sched_info before the sched_init
11773 * sched-ebb.c (current_sched_info): Initialize flags field.
11774 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11775 Call add_or_update_back_dep instead of add_dependence.
11776 Create control speculative dependencies.
11777 (schedule_insns): Initialize current_sched_info before the sched_init
11780 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11782 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11784 (sh_fallback_frame_state): Likewise.
11786 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11788 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11789 Do switch on default_use_cxa_atexit.
11790 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11791 * config/darwin-crt3.o: New.
11792 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11793 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11794 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11796 * config/rs6000/t-darwin: Move crt2.o building to here.
11797 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11798 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11801 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11803 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11804 from '! xxx' to '!xxx' for coding-style conformance.
11805 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11806 (EXTRA_CONSTRAINT): Likewise.
11807 * config/vax/vax.md (four unnamed insns): Likewise.
11809 2006-03-15 Paul Brook <paul@codesourcery.com>
11811 * config/arm/arm.c (minipool_pad): New.
11812 (add_minipool_forward_ref): Include pool alignment padding in address
11814 (push_minipool_fix): Set minipool_pad.
11815 (minipool_pad): Ditto.
11817 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11819 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11820 instead of GET_CODE() == MEM and REG_P() instead of
11822 (print_operand_address): Likewise.
11823 (vax_address_cost): Likewise.
11824 (vax_rtx_costs): Likewise.
11825 (vax_notice_update_cc): Likewise.
11826 (vax_output_int_add): Likewise.
11827 (INDEX_REGISTER_P): Likewise.
11828 (BASE_REGISTER_P): Likewise.
11829 (nonindexed_address_p): Likewise.
11830 (vax_mode_dependent_address_p): Likewise.
11831 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11832 (PRINT_OPERAND): Likewise.
11833 * config/vax/vax.md (ashlsi3): Likewise.
11834 (ashlsi3): Likewise.
11835 (some more unnamed insns): Likewise.
11837 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11839 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11840 iterator-style macro.
11841 (mark_control_dependent_edges_necessary): Update the use of
11842 EXECUTE_IF_CONTROL_DEPENDENT.
11844 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11846 * config/sh/predicates.md (cache_address_operand): Special.
11847 (ua_address_operand): Likewise.
11849 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11851 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11853 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11855 2006-03-15 Andreas Schwab <schwab@suse.de>
11857 * gensupport.c (identify_predicable_attribute): Don't free p_false
11858 when it is still in use.
11860 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11862 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11863 the default setting here.
11865 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11867 * tree-pass.h (pass_cfg): Remove.
11868 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11869 * passes.c (pass_cfg): Don't run it.
11871 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11873 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11874 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11876 (stack_regs_mentioned): Update the uses of
11877 stack_regs_mentioned_data. Don't access the array beyond its
11879 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11880 Don't include gt-reg-stack.h.
11882 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11883 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11885 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11887 PR middle-end/26684
11888 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11891 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11893 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11895 2006-03-14 Richard Guenther <rguenther@suse.de>
11897 PR tree-optimization/26672
11898 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11901 2006-03-14 Richard Guenther <rguenther@suse.de>
11903 PR tree-optimization/26667
11904 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11905 node for the callees. Always allow inlining if it will shrink
11908 2006-03-14 Richard Guenther <rguenther@suse.de>
11910 PR middle-end/26659
11911 * builtins.c (get_pointer_alignment): Prefer alignment
11912 information from decls over that from types.
11914 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11917 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11919 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11921 * config/rs6000/rs6000.opt (mdlmzb): New option.
11922 (msched-prolog, msched-epilog): Use Var not Mask.
11923 * doc/invoke.texi (-mdlmzb): Document.
11924 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11926 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11927 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11929 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11931 PR rtl-optimization/25739
11932 * bt-load.c (augment_live_range): Free tos pointer.
11934 * gensupport.c (identify_predicable_attribute): Free
11936 * gcov.c (create_file_names): Free name pointer.
11938 2006-03-13 Roger Sayle <roger@eyesopen.com>
11940 PR middle-end/26557
11941 * stmt.c (emit_case_nodes): Handle the case where the index is a
11942 CONST_INT, where the comparison mode is specified by the index type.
11944 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11946 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11949 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11951 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11952 (*branch_fp_inverted): Likewise.
11954 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11956 PR middle-end/25989
11957 * omp-low.c (expand_omp_for_generic): Mark istart0
11958 and iend0 as addressable.
11960 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11962 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11964 2006-03-13 Jeff Law <law@redhat.com>
11966 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11967 virtual operands are interesting.
11968 (vrp_visit_stmt): Corresponding changes.
11970 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11972 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11974 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11975 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11976 * config/bfin/crti.S: Use it instead of __PIC__.
11977 * config/bfin/crtn.S: Likewise.
11979 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11980 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11982 Lose 'G' modifier for call operand.
11983 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11984 recognize 'G' modifier.
11986 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11988 PR middle-end/18859
11989 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11990 * stmt.c (expand_case): Likewise.
11992 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11994 PR rtl-optimization/26254
11995 * loop-invariant.c (seq_insns_valid_p): New function.
11996 (move_invariant_reg): Only emit new code if it is valid.
11998 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12000 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12002 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12003 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12004 (commit_one_edge_insertion): Do not look for loop notes.
12006 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12008 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12009 flag_test_coverage out of loop.
12011 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12013 * final.c (shorten_branches): Remove outdated comment, and turn
12014 the if branch that guards it to continue.
12016 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12018 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12019 * cfgloop.h (struct loop): Remove unused fields.
12021 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12023 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12024 (-dL, -fdump-rtl-loop2): Update the dump file names
12026 * doc/invoke.texi: Update dump file names.
12028 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12030 * predict.c (estimate_probability): Remove.
12031 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12032 * basic-block.h (estimate_probability): Remove prototype.
12033 * passes.c (finish_optimization_passes): Dump branch prediction or
12034 profiling heuristics to the .profile tree dump.
12035 (init_optimization_passes): Unqueue pass_branch_prob.
12037 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12039 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12041 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12042 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12044 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12046 * function.h (frame_offset_overflow): Declare.
12047 * function.c (frame_offset_overflow): New function.
12048 (assign_stack_local_1): Call it to detect that the offset overflows.
12049 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12051 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12053 * config/sh/sh.c: Include alloc-pool.h.
12054 (label_ref_list_pool): New alloc pool.
12055 (label_ref_list_t): New type for lists of labels.
12056 (struct pool_node): Make wend a label_ref_list_t.
12057 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12059 (dump_table): Likewise.
12060 (sh_reorg): Set up the alloc pool before using add_constant and
12061 dump_table, and destroy it when finishing.
12063 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12065 * config/mips/mips.c: Remove redundant comment.
12067 2006-03-10 Jason Merrill <jason@redhat.com>
12070 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12071 the target was declared 'register'.
12073 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12075 * genpreds.c (write_insn_constraint_len): Change definition of
12076 insn_constraint_len to return size_t to match the declaration.
12078 2006-03-10 DJ Delorie <dj@redhat.com>
12080 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12082 (m32c_expand_insv): Fix test for an AND mask.
12084 2006-03-10 Richard Guenther <rguenther@suse.de>
12086 PR middle-end/26565
12087 * builtins.c (get_pointer_alignment): Handle component
12088 references for field alignment.
12090 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12092 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12093 when building with libgloss.
12094 (sh*elf): Implement --without-fp option.
12095 (sh64-superh-linux*): Don't multilib.
12097 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12099 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12101 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12103 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12104 Set it when one of the replacement functions returned true.
12105 Return TODO_cleanup_cfg if cfgchanged is true.
12106 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12108 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12110 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12111 instead of gen_lowpart.
12113 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12115 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12117 (mips_output_order_conditional_branch): Declare.
12118 * config/mips/mips.h (MIPS_BRANCH): New macro.
12119 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12120 for the comparison. Use gen_condjump.
12121 (mips_output_conditional_branch): Rework interface to take the
12122 asm templates for a direct branch and the inverse of a direct branch.
12123 (mips_output_order_conditional_branch): New function.
12124 (mips_builtin_branch_and_move): New function.
12125 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12126 branch condition. Use gen_single_cc as the condition for
12127 __builtin_mips_upper_* or __builtin_mips_lower_*.
12128 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12129 Use VOIDmode for the branch condition.
12130 * config/mips/predicates.md (order_operator): New predicate.
12131 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12132 (branch_fp): Rename to...
12133 (*branch_fp): ...this. Remove mode from comparison operator.
12134 Use new mips_output_conditional_branch interface.
12135 (branch_fp_inverted): Rename to...
12136 (*branch_fp_inverted): ...this and update as for *branch_fp.
12137 (*branch_zero<mode>): Rename to...
12138 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12139 Use mips_output_order_conditional_branch. Only accept ordered
12141 (*branch_zero<mode>_inverted): Rename to...
12142 (*branch_order<mode>_inverted): ...this and update as for
12143 *branch_order<mode>.
12144 (*branch_equality<mode>): Accept zero as the second operand to
12145 the equality operator. Use the new mips_output_conditional_branch
12147 (*branch_equality<mode>_inverted): Likewise.
12148 (condjump): New expander.
12149 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12151 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12152 (bc1any2t, bc1any2f): Likewise.
12153 (single_cc): New expander.
12154 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12156 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12158 * doc/md.texi: Update documentation of MIPS constraints.
12159 * config/mips/constraints.md: New file.
12160 * config/mips/mips.md: Include it.
12161 * config/mips/mips.c (mips_char_to_class): Delete.
12162 (override_options): Don't initialize mips_char_to_class.
12163 * config/mips/mips.h (mips_char_to_class): Delete.
12164 (REG_CLASS_FROM_LETTER): Delete.
12165 (CONST_OK_FOR_LETTER_P): Delete.
12166 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12167 (EXTRA_CONSTRAINT_Y): Delete.
12168 (EXTRA_CONSTRAINT_STR): Delete.
12169 (CONSTRAINT_LEN): Delete.
12170 (EXTRA_MEMORY_CONSTRAINT): Delete.
12172 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12174 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12175 original fn's eh regions.
12177 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12179 * fold-const.c (build_range_check): Make sure to use a valid type to
12180 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12183 (range_predecessor): New static function.
12184 (range_successor): Likewise.
12185 (merge_ranges): Use them to compute predecessors and successors of
12188 2006-03-09 Roger Sayle <roger@eyesopen.com>
12190 PR middle-end/26561
12191 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12192 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12194 2006-03-08 DJ Delorie <dj@redhat.com>
12196 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12197 (addpsi3): Expand to include memory operands. Remove
12198 reload-specific splits.
12199 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12200 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12201 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12202 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12203 (shift1_qi, shift1_hi, insv): New.
12204 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12205 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12206 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12208 * config/m32c/m32c-protos.h: Update as needed.
12209 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12210 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12211 Fail for unrecognized R* constraints.
12212 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12213 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12214 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12216 (m32c_init_libfuncs): New.
12217 (m32c_legitimate_address_p): Add debug wrapper.
12218 (m32c_rtx_costs): New.
12219 (m32c_address_cost): New.
12220 (conversions): Add 'B' prefix.
12221 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12222 operands, or word regnames for QI operands. 'B' prints bit
12224 (m32c_expand_setmemhi): New.
12225 (m32c_expand_movmemhi): New.
12226 (m32c_expand_movstr): New.
12227 (m32c_expand_cmpstr): New.
12228 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12229 (m32c_expand_neg_mulpsi3): Handle non-ints.
12230 (m32c_cmp_flg_0): New.
12231 (m32c_expand_movcc): New.
12232 (m32c_expand_insv): New.
12233 (m32c_scc_pattern): New.
12234 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12235 a0/a1 out of SIregs.
12236 (STORE_FLAG_VALUE): New.
12237 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12240 * config/m32c/mov.md: Make constraints more liberal.
12241 (zero_extendqihi2): Optimize r0/r1 case.
12242 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12243 * config/m32c/predicates.md (m32c_any_operand): New.
12244 (m32c_nonimmediate_operand): New.
12245 (m32c_hl_operand): New.
12246 (m32c_r3_operand): New.
12249 (memsym_operand): New.
12250 (memimmed_operand): New.
12251 (a_qi_operand): New.
12252 (m32c_eqne_operator): New.
12253 (m32c_1bit8_operand): New.
12254 (m32c_1bit16_operand): New.
12255 (m32c_1mask8_operand): New.
12256 (m32c_1mask16_operand): New.
12257 * config/m32c/blkmov.md: New file.
12258 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12260 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12262 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12263 unsigned to fix signed/unsigned comparison issue in
12264 DWARF2_FRAME_REG_OUT.
12265 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12266 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12268 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12269 of ptr into the ENABLE_CHECKING section.
12271 2006-03-08 Jeff Law <law@redhat.com>
12273 * tree-vrp.c (infer_value_range): Only count pointer uses
12274 and dereferences if -fdelete-null-pointer-checks is enabled.
12276 * tree-vrp.c (find_assert_locations): Infer value ranges for
12277 single use pointers, but do not create ASSERT_EXPRs for them.
12278 When a non-null range is inferred for a pointer, backwards
12279 propagate that range to other equivalent pointers through the
12282 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12285 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12286 language hook targets.
12287 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12288 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12289 if language hook targets were missing.
12291 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12293 * tree-ssa-opfinalize.h: Removed.
12294 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12296 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12297 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12298 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12299 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12300 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12301 finalize_ssa_v_must_def_ops): New.
12303 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12305 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12306 block as parameter.
12308 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12310 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12312 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12313 addresses with offsets; reorganize.
12315 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12316 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12317 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12319 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12322 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12324 2006-03-08 Ben Elliston <bje@au.ibm.com>
12326 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12328 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12331 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12334 2006-03-07 Richard Guenther <rguenther@suse.de>
12336 PR tree-optimization/26587
12337 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12339 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12341 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12343 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12345 * hooks.c (hook_bool_mode_rtx_true): New function.
12346 * hooks.h (hook_bool_mode_rtx_true): Declare.
12347 * toplev.c (compile_file): Call output_shared_constant_pool.
12348 * varasm.c (shared_constant_pool): New variable.
12349 (assemble_start_function, assemble_end_function): Remove arguments
12350 from call to output_constant_pool.
12351 (create_constant_pool): New function, split out from...
12352 (init_varasm_status): ...here.
12353 (force_const_mem): Choose between the shared and per-function constant
12354 pools. Set current_function_uses_const_pool when reusing old entries
12355 as well as when creating new ones.
12356 (mark_constant): Ignore data argument.
12357 (mark_constants): Remove pool argument.
12358 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12359 to decide whether the function uses a constant pool.
12360 (output_constant_pool_contents): New function, split out from...
12361 (output_constant_pool): ...here.
12362 (output_shared_constant_pool): New function.
12363 (init_varasm_once): Initialize shared_constant_pool.
12364 * output.h (output_constant_pool): Delete.
12365 (output_shared_constant_pool): Declare.
12366 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12367 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12369 2006-03-06 Nick Clifton <nickc@redhat.com>
12371 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12372 flag_strength_reduce.
12374 2006-03-06 Ben Elliston <bje@au.ibm.com>
12376 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12377 x86_64-*-linux* configurations.
12379 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12380 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12382 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12384 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12386 * basic-block.h: Remove the extern for
12387 rediscover_loops_after_threading.
12389 * cfgloop.c (cancel_loop): Make it static.
12390 * cfgloop.h: Remove the prototype for cancel_loop.
12392 * flow.c (recompute_reg_usage): Make it static.
12393 * rtl.h: Remove the prototype for recompute_reg_usage.
12395 * function.c (use_return_register): Make it static.
12396 * function.h: Remove the prototype.
12398 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12400 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12402 * recog.h: Remove the prototype for
12403 validate_change_maybe_volatile.
12405 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12407 * rtlanal.c (replace_reg): Remove.
12408 * rtl.h: Remove the prototype for replace_reg.
12410 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12412 * regclass.c (reg_scan_update): Remove.
12413 (reg_scan_mark_refs): Remove the last argument.
12414 * rtl.h: Remove the prototype for reg_scan_update.
12416 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12418 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12419 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12420 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12421 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12422 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12423 loop-invariant.c, omp-low.c, opts.c, passes.c,
12424 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12425 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12426 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12427 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12428 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12429 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12431 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12433 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12434 * dwarf2out.h: Remove the prototype for
12435 dwarf2out_add_library_unit_info.
12437 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12439 * tree.c (add_var_to_bind_expr): Remove.
12440 * tree.h: Remove the prototype for add_var_to_bind_expr.
12442 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12444 * regclass.c (n_non_fixed_regs): Remove.
12445 (init_reg_sets_1, globalize_reg): Remove all uses of
12447 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12449 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12451 * rtlanal.c (insns_safe_to_move_p): Remove.
12452 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12454 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12456 * expmed.c (expand_mult_add): Remove.
12457 * expr.h: Remove the prototype for expand_mult_add.
12459 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12461 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12462 and REG_SAVED_VAL_EXP constants.
12463 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12464 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12465 Handle regs stored by value.
12466 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12467 (execute_cfa_program): Handle DW_CFA_val_offset,
12468 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12469 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12470 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12471 (uw_install_context_1): Handle target regs stored by value.
12473 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12475 * tree-sra.c (tree_sra): Return todoflags;
12476 (generate_one_element): Set TODO_update_smt_usage if needed.
12477 (pass_sra): Remove TODO_update_smt_usage.
12478 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12480 (tree_ssa_forward_propagate_single_use_vars): Return
12481 TODO_update_smt_usage if we need to update SMT usage.
12482 (pass_forwprop): Remove TODO_update_smt_usage.
12484 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12486 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12487 (correct_use_link): Remove reference to get_stmt_operands.
12488 (update_stmt_operands): Likewise.
12489 (get_modify_expr_operands): New function factored out of
12490 parse_ssa_operands and get_expr_operands.
12491 Try to create V_MUST_DEFs for LHS by default.
12492 (get_expr_operands) <case MODIFY_EXPR>: Call
12493 get_modify_expr_operands.
12494 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12495 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12496 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12497 get_modify_expr_operands.
12499 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12501 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12502 * tree-flow.h: Remove the prototype for
12503 referenced_var_lookup_if_exists.
12505 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12507 PR rtl-optimization/26345
12509 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12511 2006-03-03 Roger Sayle <roger@eyesopen.com>
12513 PR tree-optimization/26524
12514 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12515 fold_convert to create a constant of the appropriate type.
12517 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12519 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12520 SYMBOL_REF_IN_BLOCK_P.
12521 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12522 of SYMBOL_FLAG_IN_BLOCK.
12523 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12524 instead of SYMBOL_REF_IN_BLOCK_P.
12525 * explow.c (use_anchored_address): Likewise.
12526 * rtl.c (rtx_size): Likewise.
12527 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12528 instead of SYMBOL_FLAG_IN_BLOCK.
12529 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12530 SYMBOL_REF_IN_BLOCK_P.
12531 (assemble_variable): Likewise.
12532 (output_constant_def_contents): Likewise.
12533 (output_constant_pool): Likewise.
12534 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12535 instead of SYMBOL_FLAG_IN_BLOCK.
12536 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12537 SYMBOL_REF_IN_BLOCK_P.
12538 (SYMBOL_REF_BLOCK): Likewise.
12539 (SYMBOL_REF_OFFSET): Likewise.
12540 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12541 SYMBOL_REF_IN_BLOCK_P.
12542 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12543 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12544 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12545 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12547 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12549 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12551 2006-03-02 Roger Sayle <roger@eyesopen.com>
12553 * simplify-rtx.c (simplify_unary_operation): When simplifying
12554 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12555 that we perform the right shift in the appropriate mode, and
12556 then extend or truncate the result to requested mode.
12558 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12560 * gengtype.c (main): Handle double_int type.
12561 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12562 * double-int.c: New file.
12563 * double-int.h: New file.
12564 * system.h: Include doubleint.h.
12565 * Makefile.in (SYSTEM_H): Include double-int.h.
12566 (double-int.o): Add.
12568 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12571 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12574 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12576 * tree-vrp.c (remove_range_assertions): Do not update statements
12579 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12581 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12583 * gcse.c (rest_of_handle_gcse): Ditto.
12584 * except.c (gate_handle_eh): Ditto.
12585 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12586 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12588 2006-03-02 Eric Christopher <echristo@apple.com>
12590 * config/i386/i386.c (machopic_output_stub): Add indirection to
12593 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12597 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12599 Sun Niagara specific optimizations.
12600 * config.gcc: Recognize niagara as target.
12601 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12602 (TARGET_CPU_niagara): Define.
12603 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12604 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12605 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12606 (ASM_CPU_SPEC): Likewise.
12607 (PROCESSOR_NIAGARA): New enum entry.
12608 (REGISTER_MOVE_COST): Handle Niagara.
12609 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12610 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12611 (sparc_override_options): Recognize "niagara", set appropriate
12612 default MASK_* values for it, and align functions to 32-bytes
12613 by default just like ULTRASPARC/ULTRASPARC3.
12614 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12615 (sparc64_initialize_trampoline): Likewise.
12616 (sparc_use_sched_lookahead): Use zero for niagara.
12617 (sparc_issue_rate): Use one for niagara.
12618 * config/sparc/niagara.md: New file.
12619 * config/sparc/sparc.md: Include it.
12620 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12621 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12622 when default cpu is niagara.
12623 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12624 (ASM_CPU_SPEC): Likewise.
12625 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12626 when default cpu is niagara.
12627 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12628 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12629 just like v9/ultrasparc/ultrasparc3.
12630 * doc/invoke.texi: Add documentation for "niagara" and improve
12631 existing documentation for ultrasparc variants.
12633 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12635 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12637 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12639 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12640 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12641 and say that only one is needed.
12642 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12643 * target.h (have_switchable_bss_sections): New hook.
12644 * explow.c (use_anchored_address): Check that the symbol is in a block.
12645 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12646 (bss_noswitch_section): New variables.
12647 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12648 (get_noswitch_section): New function.
12649 (get_block_for_section): Allow SECT to be null.
12650 (unlikely_text_section_p): Use SECTION_STYLE.
12651 (bss_initializer_p): New function.
12652 (get_variable_section): Move earlier in file. Take a new argument,
12653 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12654 Return one of the new *_sections in such cases.
12655 (get_block_for_decl): New function, extracting some logic from
12656 use_blocks_for_decl_p.
12657 (change_symbol_section): Remove in favor of...
12658 (change_symbol_block): ...this new function.
12659 (use_blocks_for_decl_p): Remove checks now performed by
12660 get_block_for_decl.
12661 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12662 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12663 (emit_local, emit_bss, emit_common): ...these new functions.
12664 Return true if the alignment was honored.
12665 (emit_tls_common): New function.
12666 (asm_emit_uninitialised): Delete.
12667 (assemble_variable_noswitch): New function, split out from...
12668 (assemble_variable): ...here. Don't make decisions about common
12669 variables here. Globalize all public decls that go into non-common
12670 sections. Check whether SYMBOL_REF_BLOCK is null.
12671 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12672 (output_constant_pool): Likewise.
12673 (init_varasm_once): Initialize the new section variables.
12674 (have_global_bss_p): New function.
12675 (categorize_decl_for_section): Use bss_initializer_p.
12676 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12677 (place_block_symbol): Assert that the symbol must be in a block.
12678 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12679 (TARGET_INITIALIZER): Include it.
12680 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12681 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12682 (SECTION_MACH_DEP): Bump by two.
12683 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12684 (unnamed_section): Mention SECTION_UNNAMED in comment.
12685 (named_section): Likewise SECTION_NAMED.
12686 (noswitch_section_callback): New type.
12687 (noswitch_section): New structure.
12688 (section): Add a noswitch_section alternative.
12689 (SECTION_STYLE): New macro.
12690 (tls_comm_section, comm_section, lcomm_section): Declare.
12691 (bss_noswitch_section, have_global_bss_p): Declare.
12692 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12693 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12695 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12696 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12699 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12701 * tree-vrp.c (execute_vrp): Return value.
12702 * regrename.c (rest_of_handle_regrename): Ditto.
12703 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12704 * tree-complex.c (tree_lower_complex): Ditto.
12705 (tree_lower_complex_O0): Ditto.
12706 * tracer.c (rest_of_handle_tracer): Ditto.
12707 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12708 * postreload.c (rest_of_handle_postreload): Ditto.
12709 * tree-tailcall.c (execute_tail_recursion): Ditto.
12710 (execute_tail_calls): Ditto.
12711 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12712 * tree.h (init_function_for_compilation): Ditto.
12713 * ipa-cp.c (ipcp_driver): Ditto.
12714 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12715 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12716 * final.c (compute_alignments): Ditto.
12717 (rest_of_handle_final): Ditto.
12718 (rest_of_handle_shorten_branches): Ditto.
12719 (rest_of_clean_state): Ditto.
12720 * omp-low.c (execute_expand_omp): Ditto.
12721 (execute_lower_omp): Ditto.
12722 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12723 * ipa-reference.c (static_execute): Ditto.
12724 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12725 * reorg.c (rest_of_handle_delay_slots): Ditto.
12726 (rest_of_handle_machine_reorg): Ditto.
12727 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12728 * flow.c (recompute_reg_usage): Ditto.
12729 (rest_of_handle_remove_death_notes): Ditto.
12730 (rest_of_handle_life): Ditto.
12731 (rest_of_handle_flow2): Ditto.
12732 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12733 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12734 (do_ssa_store_ccp): Ditto.
12735 (execute_fold_all_builtins): Ditto.
12736 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12737 * modulo-sched.c (rest_of_handle_sms): Ditto.
12738 * ipa-pure-const.c (static_execute): Ditto.
12739 * cse.c (rest_of_handle_cse): Ditto.
12740 (rest_of_handle_cse2): Ditto.
12741 * web.c (rest_of_handle_web): Ditto.
12742 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12743 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12744 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12745 * tree-nrv.c (tree_nrv): Ditto.
12746 (execute_return_slot_opt): Ditto.
12747 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12748 (create_structure_vars): Ditto.
12749 * loop-init.c (rtl_loop_init): Ditto.
12750 (rtl_loop_done): Ditto.
12751 (rtl_move_loop_invariants): Ditto.
12752 (rtl_unswitch): Ditto.
12753 (rtl_unroll_and_peel_loops): Ditto.
12754 (rtl_doloop): Ditto.
12755 * gimple-low.c (lower_function_body): Ditto.
12756 (mark_used_blocks): Ditto.
12757 * tree-ssa-sink.c (execute_sink_code): Ditto.
12758 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12759 (cgraph_early_inlining): Ditto.
12760 * global.c (rest_of_handle_global_alloc): Ditto.
12761 * jump.c (cleanup_barriers): Ditto.
12762 (purge_line_number_notes): Ditto.
12763 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12764 (rest_of_handle_if_after_reload): Ditto.
12765 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12766 (tree_ssa_loop_im): Ditto.
12767 (tree_ssa_loop_unswitch): Ditto.
12768 (tree_vectorize): Ditto.
12769 (tree_linear_transform): Ditto.
12770 (tree_ssa_loop_ivcanon): Ditto.
12771 (tree_ssa_empty_loop): Ditto.
12772 (tree_ssa_loop_bounds): Ditto.
12773 (tree_complete_unroll): Ditto.
12774 (tree_ssa_loop_prefetch): Ditto.
12775 (tree_ssa_loop_ivopts): Ditto.
12776 (tree_ssa_loop_done): Ditto.
12777 * predict.c (tree_estimate_probability): Ditto.
12778 * recog.c (split_all_insns_noflow): Ditto.
12779 (rest_of_handle_peephole2): Ditto.
12780 (rest_of_handle_split_all_insns): Ditto.
12781 * tree-eh.c (lower_eh_constructs): Ditto.
12782 * regmove.c (rest_of_handle_regmove): Ditto.
12783 (rest_of_handle_stack_adjustments): Ditto.
12784 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12785 * function.c (instantiate_virtual_regs): Ditto.
12786 (init_function_for_compilation): Ditto.
12787 (rest_of_handle_check_leaf_regs): Ditto.
12788 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12789 (rest_of_handle_gcse): Ditto.
12790 * ipa-type-escape.c (type_escape_execute): Ditto.
12791 * alias.c (rest_of_handle_cfg): Ditto.
12792 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12793 * profile.c (rest_of_handle_branch_prob): Ditto.
12794 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12795 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12796 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12797 * tree-dfa.c (find_referenced_vars): Ditto.
12798 * except.c (set_nothrow_function_flags): Ditto.
12799 (convert_to_eh_region_ranges): Ditto.
12800 (rest_of_handle_eh): Ditto.
12801 * emit-rtl.c (unshare_all_rtl): Ditto.
12802 (remove_unnecessary_notes): Ditto.
12803 * except.h (set_nothrow_function_flags): Ditto.
12804 (convert_to_eh_region_ranges): Ditto.
12805 * cfgexpand.c (tree_expand_cfg): Ditto.
12806 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12807 * tree-ssa-pre.c (do_pre): Ditto.
12808 (execute_fre): Ditto.
12809 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12810 (rest_of_handle_jump2): Ditto.
12811 * tree-sra.c (tree_sra): Ditto.
12812 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12813 (execute_mudflap_function_decls): Ditto.
12814 * tree-ssa-copy.c (do_copy_prop): Ditto.
12815 (do_store_copy_prop): Ditto.
12816 * ipa-prop.h (ipcp_driver): Ditto.
12817 * cfglayout.c (insn_locators_initialize): Ditto.
12818 * tree-ssa-forwprop.c
12819 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12820 * cfglayout.h (insn_locators_initialize): Ditto.
12821 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12822 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12823 (execute_late_warn_uninitialized): Ditto.
12824 * rtl.h (cleanup_barriers): Ditto.
12825 (split_all_insns_noflow): Ditto.
12826 (purge_line_number_notes): Ditto.
12827 (unshare_all_rtl): Ditto.
12828 (remove_unnecessary_notes): Ditto.
12829 (recompute_reg_usage): Ditto.
12830 (variable_tracking_main): Ditto.
12831 * integrate.c (emit_initial_value_sets): Ditto.
12832 * integrate.h (emit_initial_value_sets): Ditto.
12833 * tree-optimize.c (execute_free_datastructures): Ditto
12834 (execute_free_cfg_annotations): Ditto.
12835 (execute_fixup_cfg): Ditto.
12836 (execute_cleanup_cfg_pre_ipa): Ditto.
12837 (execute_cleanup_cfg_post_optimizing): Ditto.
12838 (execute_init_datastructures): Ditto.
12839 * tree-object-size.c (compute_object_sizes): Ditto.
12840 * combine.c (rest_of_handle_combine): Ditto.
12841 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12842 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12843 (rest_of_handle_reorder_blocks): Ditto.
12844 (rest_of_handle_partition_blocks): Ditto.
12845 * var-tracking.c (variable_tracking_main): Ditto.
12846 * tree-profile.c (tree_profiling): Ditto.
12847 * tree-vect-generic.c (expand_vector_operations): Ditto.
12848 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12849 * sched-rgn.c (rest_of_handle_sched): Ditto.
12850 (rest_of_handle_sched2): Ditto.
12851 * basic-block.h (free_bb_insn): Ditto.
12852 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12853 * tree-cfg.c (execute_build_cfg): Ditto.
12854 (remove_useless_stmts): Ditto.
12855 (split_critical_edges): Ditto.
12856 (execute_warn_function_return): Ditto.
12857 (execute_warn_function_noreturn): Ditto.
12858 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12859 * cfgrtl.c (free_bb_for_insn): Ditto.
12860 * passes.c (execute_one_pass): Run additional
12861 todos returned by execute function.
12862 * tree-pass.h (struct tree_opt_pass): Make execute
12865 2006-03-02 Richard Guenther <rguenther@suse.de>
12867 * tree-ssa-alias.c (find_used_portions): Consider taking
12868 the address as making the variable not write-only.
12870 2006-03-02 Nick Clifton <nickc@redhat.com>
12872 * config.gcc (default_use_cxa_atexit): Extend the description of
12873 this configure variable. Set its default value to "yes" for
12874 Linux, NetBSD and ELF targets on the assumption that they will
12875 use C libraries with the __cxa_atexit function.
12877 2006-03-02 Ben Elliston <bje@au.ibm.com>
12879 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12880 parameter as unused to suppress a build warning.
12882 2006-03-02 Ben Elliston <bje@au.ibm.com>
12884 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12887 2006-03-01 Roger Sayle <roger@eyesopen.com>
12890 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12891 declared name, the weak reference name, and the typeof name.
12892 (__gthrw): Avoid expanding the declared name suffix.
12893 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12895 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12897 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12899 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12900 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12901 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12902 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12903 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12904 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12905 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12906 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12907 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12908 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12909 (DW_END_default, DW_END_big, DW_END_little): New.
12910 (DW_END_lo_user, DW_END_hi_user): Define.
12911 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12912 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12913 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12916 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12918 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12920 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12922 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12924 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12926 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12927 to 'symbol_mem_tag'.
12929 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12932 2006-03-01 Roger Sayle <roger@eyesopen.com>
12934 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12936 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12939 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12940 MACHO_DYNAMIC_NO_PIC_P.
12941 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12943 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12946 * config/darwin-protos.h (darwin_asm_output_anchor):
12948 * config/darwin-sections.def (cstring_section):
12949 Add SECTION_MERGE to the flags.
12950 (literal4_section): Likewise.
12951 (literal8_section): Likewise.
12952 (objc_selector_refs_section): Likewise.
12953 (objc_cls_refs_section): Likewise.
12954 * config/darwin.c (darwin_asm_output_anchor): New
12956 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12958 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12960 Fix PR tree-optimization/26443
12961 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12962 to todo and PROP_tmt_usage to properties_destroyed.
12963 * tree-ssa-ccp.c (pass_ccp): Ditto.
12964 (pass_store_ccp): Ditto.
12965 * tree-ssa-dom.c (pass_dominator): Ditto.
12967 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12969 * tree-ssa-operands.c: Cleanup whitespace.
12970 (get_asm_expr_operands): Move before first invocation.
12971 (get_indirect_ref_operands): Likewise.
12972 (get_tmr_operands): Likewise.
12973 (get_call_expr_operands): Likewise.
12974 (append_def): Likewise.
12975 (append_use): Likewise.
12976 (append_v_may_def): Likewise.
12977 (append_v_must_def): Likewise.
12978 (add_call_clobber_ops): Likewise.
12979 (add_call_read_ops): Likewise.
12980 (add_stmt_operand): Likewise.
12981 (add_virtual_operand): Likewise.
12982 (build_ssa_operands): Likewise.
12984 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12986 PR middle-end/26022
12988 PR middle-end/24437
12989 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12990 with a call expr to ...
12991 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12993 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12995 * tree-vrp.c (extract_range_from_assert): Remove special
12996 handling for types with super-types.
12998 2006-03-01 Ben Elliston <bje@au.ibm.com>
13000 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13001 and powerpc64-*-linux* configurations.
13002 * config/t-dfprules: New file.
13004 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13005 Compile dfp-bit.c from the source directory using -DWIDTH and
13006 $DFP_CFLAGS to control the compilation of that file, rather than
13007 generating width-specific versions in the build directory.
13008 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13009 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13011 2006-02-28 Zack Weinberg <zackw@panix.com>
13013 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13016 2006-02-28 Eric Christopher <echristo@apple.com>
13018 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13019 Set up IN_LIBGCC definition of TARGET_64BIT.
13020 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13022 2006-02-28 Roger Sayle <roger@eyesopen.com>
13024 PR middle-end/14752
13025 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13026 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13027 cases via the construction of "expr != 0".
13029 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13031 * alias.c (alias_invariant, alias_invariant_size): Remove.
13032 (record_base_value): Remove.
13033 (memrefs_conflict_p): Don't look at alias_invariant.
13034 (end_alias_analysis): Don't free it.
13035 * alias.h (record_base_value): Remove prototype.
13037 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13038 Adam Nemet <anemet@caviumnetworks.com>
13040 * rtl.h (truncated_to_mode): Declare it.
13041 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13042 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13043 (RTL_HOOKS_INITIALIZER): Include it.
13044 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13045 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13046 reg_truncated_to_mode.
13047 * rtlanal.c (truncated_to_mode): Define it.
13048 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13050 2006-02-28 Jeff Law <law@redhat.com>
13052 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13053 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13054 the range allowed by TYPE_PRECISION.
13056 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13058 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13060 PR tree-optimization/26419
13061 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13064 2006-02-27 Zack Weinberg <zackw@panix.com>
13066 * doc/md.texi: Fix typo in previous change.
13068 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13072 2006-02-27 Zack Weinberg <zackw@panix.com>
13074 * rtl.def (define_constraint, define_register_constraint)
13075 (define_memory_constraint, define_address_constraint): New MD forms.
13076 * gensupport.c (process_rtx): Put define_constraint etc on the
13078 * genpreds.c (process_define_predicate): Adjust comment. Validate
13079 the name, and call validate_exp to validate the expression.
13080 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13081 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13082 all callers changed.
13083 (validate_exp, needs_variable, struct constraint_data)
13084 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13085 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13086 (const_dbl_constraints, constraint_max_namelen)
13087 (have_register_constraints, have_memory_constraints)
13088 (have_address_constraints, have_address_constraints)
13089 (have_extra_constraints, have_const_int_constraints)
13090 (have_const_dbl_constraints, mangle, add_constraint)
13091 (process_define_constraint, process_define_register_constraint)
13092 (write_enum_constraint_num, write_lookup_constraint)
13093 (write_insn_constraint_len, write_regclass_for_constraint)
13094 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13095 (write_insn_extra_memory_constraint)
13096 (write_insn_extra_address_constraint)
13097 (write_satisfies_constraint_fns): New.
13098 (write_tm_preds_h): If we have new-style constraint definitions,
13099 prototype the functions generated from them, and define the
13100 old constraint interface (still used by generic code) in terms of
13102 (write_insn_preds_c): If we have new-style constraint definitions,
13103 generate all relevant functions from those definitions.
13104 (main): Handle define_constraint etc.
13105 * genoutput.c (struct constraint_data, indep_constraints)
13106 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13107 (mdep_constraint_len): New data structures and functions, defined
13108 #ifdef USE_MD_CONSTRAINTS.
13109 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13110 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13111 use new logic to validate operand constraints against constraint
13113 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13115 * defaults.h: If none of the old-style constraint macros are
13116 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13117 old-style macros; and poison REG_CLASS_FROM_LETTER,
13118 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13120 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13121 * doc/md.texi: Document new constraint-definition mechanism and the
13122 C interface it provides. Remove references to old mechanism
13123 elsewhere in the document.
13124 (Machine Constraints): Use pathnames relative to gcc directory,
13125 i.e. config/ARCH/FILE. Change i386 section to refer to
13126 config/i386/predicates.md; update that section to match docstrings.
13127 * doc/tm.texi: Move all documentation of the old constraint-
13128 definition macros to their own section, clearly mark as obsolete.
13130 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13131 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13133 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13134 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13135 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13136 constraint strings.
13137 (splits and peepholes): Use satisfies_constraint_*.
13138 * config/i386/i386.c (memory_address_length)
13139 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13141 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13143 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13144 scalar operation to be put back into the loop.
13146 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13149 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13150 (extract_cie_info): Handle S flag in augmentation string.
13151 (execute_cfa_program): If context->signal_frame, execute also
13152 fs->pc == context->ra instructions.
13153 (uw_frame_state_for): If context->signal_frame, don't subtract one
13154 from context->ra to find FDE.
13155 (uw_update_context_1): Set context->signal_frame to
13157 (_Unwind_GetIPInfo): New function.
13158 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13159 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13161 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13162 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13163 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13164 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13165 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13166 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13167 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13168 x86_64_fallback_frame_state): Set fs->signal_frame.
13169 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13170 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13171 (frob_update_context): Likewise. Workaround missing S flag in
13172 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13173 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13174 Remove the psw_addr + 1 hack.
13176 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13178 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13179 with aggregates here.
13180 (find_func_aliases): Remove code for &<aggregate> from here.
13182 2006-02-26 Roger Sayle <roger@eyesopen.com>
13184 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13185 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13186 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13187 as (X & C) ne/eq 0.
13189 2006-02-26 Roger Sayle <roger@eyesopen.com>
13191 PR middle-end/19983
13192 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13194 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13196 * opts.c (decode_options): Do not handle flag_strength_reduce.
13197 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13198 and OPT_fstrength_reduce.
13199 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13200 flag_prefetch_loop_arrays for being nonzero.
13201 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13203 (fprefetch-loop-arrays-rtl): Removed.
13204 (flag_prefetch_loop_arrays): Do not specify the value.
13206 * doc/passes.texi: Update documentation of loop optimizer
13208 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13209 -frerun-loop-opt): Remove.
13211 2006-02-26 Richard Guenther <rguenther@suse.de>
13213 PR tree-optimization/26421
13214 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13215 in function calls that are ADDR_EXPRs as using the whole structure.
13217 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13219 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13220 * tree-pass.h (pass_loop_optimize): Remove.
13221 * passes.c (pass_loop_optimize): Never run it.
13222 * toplev.c (backend_init): Don't call init_loop.
13223 * opts.c (flag_loop_optimize_set): Remove.
13224 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13225 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13226 the old RTL loop optimizer when profiling enabled.
13227 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13228 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13229 pre-headers for the sake of the old RTL loop optimizer.
13230 * Makefile.in: Remove all references to loop.o.
13232 * doc/invoke.texi: Remove all references to -floop-optimize
13233 and -frerun-loop-opt.
13235 2006-02-26 Zack Weinberg <zackw@panix.com>
13237 * doc/md.texi (Machine Constraints): Refer to all files with paths
13238 relative to gcc directory (i.e. config/CPU/file). Add missing
13239 @table @code ... @end table to M32C subsection.
13241 2006-02-26 Roger Sayle <roger@eyesopen.com>
13243 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13245 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13247 2006-02-26 Roger Sayle <roger@eyesopen.com>
13248 James A. Morrison <phython@gcc.gnu.org>
13250 PR middle-end/21137
13251 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13252 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13253 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13254 signedness of the shift operation.
13256 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13258 PR tree-optimization/26359
13259 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13261 2006-02-25 Roger Sayle <roger@eyesopen.com>
13263 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13264 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13265 as X == 0, and some symmetry related transformations.
13266 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13268 2006-02-25 Roger Sayle <roger@eyesopen.com>
13270 PR middle-end/23673
13271 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13272 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13273 symmetry related transformations. Fold (X^C1) == C2 as
13276 2006-02-25 Juergen Weigert <jw@suse.de>
13277 Richard Guenther <rguenther@suse.de>
13279 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13281 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13283 * combine.c (gen_lowpart_or_truncate): Call
13284 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13286 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13288 * doc/invoke.texi: Move -fopenmp description to "Options for
13290 Remove reference to -lgomp.
13292 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13294 * doc/install.texi: Require GNU tar version 1.14.
13296 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13298 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13299 * doc/invoke.texi (C++ Dialect Options): Document
13300 -fno-use-cxa-get-exception-ptr.
13301 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13302 * configure: Regenerate.
13303 * c.opt (fuse-cxa-get-exception-ptr): New.
13304 * c-opts.c (c_common_handle_option): Handle
13305 OPT_fuse_cxa_get_exception_ptr.
13306 * c-common.c (flag_use_cxa_atexit): Update documentation.
13307 (flag_use_cxa_get_exception_ptr): New.
13308 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13309 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13311 (C_COMMON_OVERRIDE_OPTIONS): New.
13313 2006-02-24 Roger Sayle <roger@eyesopen.com>
13315 PR middle-end/24952
13316 * combine.c (try_combine): Explicitly check whether GET_CODE is
13317 a SET or a CLOBBER, instead on checking that it isn't a USE.
13319 2006-02-24 Roger Sayle <roger@eyesopen.com>
13321 * fold-const.c (fold_comparison): New subroutine of fold_binary
13322 containing transformations common to both the equality and
13323 ordering relational operators, factored out of fold_binary.
13324 (fold_binary): Separate out the equality operators (EQ_EXPR
13325 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13326 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13327 transformations common to both.
13328 (fold_div_compare): Fix latent bugs in the previously unreachable
13329 LT_EXPR and GE_EXPR cases.
13331 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13333 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13334 decl libname for clog to __clog on AIX.
13336 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13338 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13341 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13342 output traceback table for thunks. Localise rs6000_stack_info call.
13344 2006-02-23 Roger Sayle <roger@eyesopen.com>
13345 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13347 * gthr-posix.h (__gthrw): Fix typo in comment.
13349 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13351 * doc/cpp.texi (Character sets): Document that we do support
13352 input files to be in any character set.
13354 2006-02-23 Jeff Law <law@redhat.com>
13356 * tree.h (PHI_ARG_NONZERO): Remove.
13357 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13358 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13359 node to the new node.
13361 PR tree-optimization/26425
13362 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13363 min/max, then assume its varying.
13365 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13367 PR rtl-optimization/26316
13368 * rtlanal.c (enum may_trap_p_flags): New.
13369 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13370 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13371 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13372 (may_trap_after_code_motion_p): New function.
13373 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13374 (find_invariant_insn): Use may_trap_after_code_motion_p.
13375 * rtl.h (may_trap_after_code_motion_p): Declare.
13377 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13379 * emit-rtl.c (immed_double_const): Cleanup.
13381 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13383 Fix PR tree-optimization/26376
13384 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13387 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13389 PR middle-end/26412
13390 * gimplify.c (omp_add_variable): Guard variable size decl test with
13391 DECL_SIZE (decl) check.
13393 2006-02-23 Richard Guenther <rguenther@suse.de>
13395 PR middle-end/26439
13396 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13397 like aggregate types.
13399 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13401 * configure.ac: Add --with{,out}-long-double-128 configure option.
13402 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13403 * configure: Rebuilt.
13404 * config.in: Rebuilt.
13405 * doc/install.texi (Options specification): Document
13406 --with-long-double-128.
13408 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13409 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13410 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13411 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13413 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13415 * config/s390/s390.c (override_options): Handle
13416 TARGET_DEFAULT_LONG_DOUBLE_128.
13418 * config/alpha/alpha.c (override_options): Handle
13419 TARGET_DEFAULT_LONG_DOUBLE_128.
13421 * config/sparc/sparc.c (sparc_override_options): Handle
13422 TARGET_DEFAULT_LONG_DOUBLE_128.
13424 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13426 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13427 (real-install-headers-tar, real-install-headers-cpio)
13428 (real-install-headers-cp): New targets.
13430 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13432 * tree.h (variable_section): Delete.
13433 * varasm.c (variable_section): Delete.
13435 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13437 * install.texi: Add notes on install.texi2html.
13438 (Building in parallel): Do not use footnotes.
13440 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13443 * doc/install.texi (Configuration): Document --disable-libgomp.
13445 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13447 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13449 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13451 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13452 (vec_extractv2df_0_sse): New.
13454 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13456 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13457 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13458 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13459 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13460 to the result of the expression.
13461 (def_cfa_1): Adjust.
13462 (frame_pointer_cfa_offset): Rename to...
13463 (frame_pointer_fb_offset): ... this. Adjust all uses.
13464 (convert_cfa_to_loc_list): Rename to...
13465 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13466 Pass it on to build_cfa_loc.
13467 (compute_frame_pointer_to_cfa_displacement): Rename to...
13468 (compute_frame_pointer_to_fb_displacement): ... this. New
13469 offset parameter. Use it in computation.
13470 (gen_subprogram_die): Compute cfa_fb_offset with the new
13471 macro, and use it to compute the fb loc list and the
13474 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13476 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13477 replaced with register_operand.
13478 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13479 non-DREG is expensive.
13480 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13481 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13484 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13486 * doc/install.texi2html: Use set -e.
13488 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13490 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13491 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13492 * doc/invoke.texi (-fshared-data): Delete.
13493 * common.opt (fshared-data): Delete.
13494 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13495 (assemble_static_space): Remove #if 0 code.
13496 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13497 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13498 * config/cris/cris.h: Remove FIXME.
13500 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13502 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13505 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13507 PR middle-end/26379
13508 * combine.c (simplify_shift_const_1): Disable nested shifts
13509 optimization for vector shifts.
13511 2006-02-20 Roger Sayle <roger@eyesopen.com>
13513 PR tree-optimization/26361
13514 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13515 of unsigned integer types.
13517 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13519 * tree-chrec.c (eq_evolutions_p): New.
13520 * tree-chrec.h (eq_evolutions_p): Declared.
13521 * tree-data-ref.c: Fix formatting.
13522 (datadep_stats, dependence_stats): New.
13524 (print_direction_vector): New.
13525 (dump_data_dependence_relation): Use print_direction_vector.
13526 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13527 (compute_subscript_distance): Static.
13528 (initialize_data_dependence_relation): Static. Get the number
13529 of loops surrounding the references from the callers, and initialize
13530 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13531 base_object_differ_p analyzers.
13532 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13533 compute_overlap_steps_for_affine_1_2,
13534 analyze_subscript_affine_affine): Count the classified dependences.
13535 Print a message when a test failed.
13536 (can_use_analyze_subscript_affine_affine): New.
13537 (analyze_siv_subscript): Compute the data dependences on symbolic
13538 scevs that verify can_use_analyze_subscript_affine_affine.
13539 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13540 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13541 Handle symbolic scevs.
13542 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13544 (subscript_dependence_tester): Moved...
13545 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13546 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13547 DDR_SIZE_VECT instead of getting it in parameter.
13548 (subscript_dependence_tester): ... here. Take as a parameter
13549 loop_nest_depth. Call build_classic_dist_vector and
13550 build_classic_dir_vector.
13551 (compute_affine_dependence): Update subscript_dependence_tester
13552 parameters. Update datadep_stats counters. Call
13553 compute_subscript_distance.
13554 (compute_self_dependence): Save the dist and dir vectors. Call
13555 compute_subscript_distance.
13556 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13557 (compute_all_dependences): Reorder parameters as they were before
13558 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13559 compute_subscript_distance. Update the use of
13560 compute_affine_dependence and initialize_data_dependence_relation.
13561 (find_data_references_in_loop): Handle COMPONENT_REF.
13562 (compute_data_dependences_for_loop): Initialize dependence_stats.
13563 Don't call build_classic_dist_vector and build_classic_dir_vector.
13564 Update the parameters of initialize_data_dependence_relation and
13565 compute_all_dependences. Print the statistics from datadep_stats.
13566 (analyze_all_data_dependences): Static. Not used until the pass for
13567 checking the data dependences is contributed.
13568 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13569 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13570 (initialize_data_dependence_relation, compute_affine_dependence,
13571 analyze_all_data_dependences, compute_subscript_distance): Removed.
13572 (print_direction_vector): New.
13573 * lambda.h (gcd): ... here.
13574 (lambda_vector_gcd): Moved here from gcd_vector.
13575 * lambda-code.c (gcd, gcd_vector): Removed.
13576 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13577 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13579 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13581 * ipa-type-escape.c: Tidy some comments and white space.
13582 * tree-ssa-operands.c: Likewise.
13584 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13587 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13588 (dump_decl_name): Do not walk the decl tree chains.
13589 * tree-pass.h (TDF_CHAIN): Remove.
13591 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13593 * Makefile.in (C): Remove
13595 (.PHONY): Remove C and PROTO
13597 2006-02-20 Roger Sayle <roger@eyesopen.com>
13599 PR middle-end/26236
13600 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13601 deprecated CHAR_TYPE tree code.
13603 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13605 * configure.ac (target_list): Add install-info, dvi, html.
13606 * configure: Regenerate.
13608 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13609 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13610 treelang/Make-lang.in: Do not use double-colon rules.
13612 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13614 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13615 (TMT_USED_ALONE): New macro.
13616 * tree-pass.h (PROP_tmt_usage): New property.
13617 (TODO_update_tmt_usage): New todo.
13618 * tree-ssa-alias.c (updating_used_alone): New variable.
13619 (recalculate_used_alone): New function.
13620 (compute_may_aliases): Set updating_used_alone, call
13621 recalculate_used_alone.
13622 * tree-sra.c (pass_sra): Note that this pass destroys
13623 PROP_tmt_usage, and add TODO_update_tmt_usage.
13624 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13625 * tree-flow.h (updating_used_alone): Prototype.
13626 (recalculate_used_alone): Ditto.
13627 * passes.c (execute_todo): Add code to set updating_used_alone,
13628 and call recalculate.
13629 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13630 for clobber if used alone, and add assert to verify used_alone
13633 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13635 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13636 for non tls symbols added.
13637 (legitimize_address): Do nothing for PLUS expressions if one of the
13638 addends is a tls symbol reference.
13640 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13644 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13646 * Makefile.in (BOOTSTRAPPING): New.
13647 (quickstrap): New definition if BOOTSTRAPPING=yes.
13649 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13650 * configure.ac: Substitute all_selected_languages with the languages
13651 that were configured. For all the other variables except
13652 lang_specs_files, include all the languages in the tree.
13653 * configure: Regenerate.
13655 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13656 if there is one. Run the commands to run fixincludes in the same
13659 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13660 * doc/install.texi: Document exact conventions for searching target tools.
13661 Document --with-build-time-tools. Document toplevel bootstrap. Document
13662 something more about building an Ada cross-compiler. Don't list GNU Make
13663 requirements which affect all platforms.
13665 2006-02-19 Roger Sayle <roger@eyesopen.com>
13667 PR middle-end/19543
13668 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13669 only equivalent if the have both the same mode and precision.
13671 2006-02-20 Ben Elliston <bje@au.ibm.com>
13673 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13675 2006-02-19 Roger Sayle <roger@eyesopen.com>
13676 Steven Bosscher <stevenb.gcc@gmail.com>
13678 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13679 constant pool references to identify stack mode constants.
13680 * rtlanal.c (constant_pool_constant_p): New predicate to check
13681 whether operand is a floating point constant in the pool.
13682 * rtl.h (constant_pool_constant_p): Prototype here.
13683 * loop.c (scan_loop): Avoid hoisting constants from the constant
13684 pool on STACK_REGS targets.
13685 (load_mems): Likewise.
13686 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13687 loads into x87 registers expensive in terms of register pressure.
13689 2006-02-19 Roger Sayle <roger@eyesopen.com>
13691 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13692 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13694 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13696 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13697 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13699 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13701 * doc/invoke.texi: Document -fipa-pta.
13702 * common.opt: Add ipa-pta option.
13703 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13704 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13705 (do_ds_constraint): Ditto.
13706 (get_constraint_for): Only add to referenced_vars if
13707 referenced_vars exists.
13708 (insert_into_field_list): Rewrite to do this unsorted.
13709 (insert_into_field_list_sorted): Rename old insert_into_field_list
13711 (create_function_info_for): Use insert_into_field_list_sorted.
13712 (create_variable_info_for): Rewrite so it uses unsorted version,
13713 since the field list is sorted.
13714 (intra_create_variable_infos): Only add to referenced_vars if
13715 referenced_vars exists.
13716 (ipa_pta_execute): Init heapvars, and delete when done.
13717 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13719 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13721 * doc/install.texi: Add missing `@samp'.
13723 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13725 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13728 2006-02-18 Mark Wielaard <mark@klomp.org>
13730 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13731 who added new 4.1 features, bug fixes and integration support.
13733 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13736 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13737 MEM for ABI_V4 pic.
13739 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13741 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13742 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13743 (copy_insn_1): Likewise. Don't copy each field individually.
13745 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13747 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13748 * rtl.c (rtx_size): Rename variable to...
13749 (rtx_code_size): ...this.
13750 (rtx_size): New function.
13751 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13752 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13754 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13755 * rtl.h (rtx_code_size): New variable.
13756 (rtx_size): Change from a variable to a function.
13757 (RTX_SIZE): Rename to...
13758 (RTX_CODE_SIZE): ...this.
13761 PR tree-optimization/17106
13762 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13763 (Anchored Addresses): New section.
13764 * doc/invoke.texi (-fsection-anchors): Document.
13765 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13766 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13767 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13768 * hooks.c (hook_bool_mode_rtx_false): New function.
13769 * hooks.h (hook_bool_mode_rtx_false): Declare.
13770 * gengtype.c (create_optional_field): New function.
13771 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13772 SYMBOL_REF_IN_BLOCK_P is true.
13773 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13774 (min_anchor_offset, max_anchor_offset): Likewise.
13775 (use_anchors_for_symbol_p): New hook.
13776 * toplev.c (compile_file): Call output_object_blocks.
13777 (target_supports_section_anchors_p): New function.
13778 (process_options): Check that -fsection-anchors is only used on
13779 targets that support it and when -funit-at-a-time is in effect.
13780 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13781 if the decl doesn't have one.
13782 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13783 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13784 of force_const_mem through use_anchored_address.
13785 (expand_expr_constant): New function.
13786 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13787 calling expand_expr for INDIRECT_REF.
13788 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13789 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13790 * expr.h (use_anchored_address): Declare.
13791 * loop-unroll.c: Don't declare rtx vectors here.
13792 * explow.c: Include output.h.
13793 (validize_mem): Call use_anchored_address.
13794 (use_anchored_address): New function.
13795 * common.opt (-fsection-anchors): New switch.
13796 * varasm.c (object_block_htab, anchor_labelno): New variables.
13797 (hash_section, object_block_entry_eq, object_block_entry_hash)
13798 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13799 (use_blocks_for_decl_p, change_symbol_section): New functions.
13800 (get_variable_section): New function, split out from assemble_variable.
13801 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13802 use_blocks_for_decl_p say so. Use change_symbol_section if the
13803 symbol has already been created.
13804 (assemble_variable_contents): New function, split out from...
13805 (assemble_variable): ...here. Don't output any code for
13806 block symbols; just pass them to place_block_symbol.
13807 Use get_variable_section and assemble_variable_contents.
13808 (get_constant_alignment, get_constant_section, get_constant_size): New
13809 functions, split from output_constant_def_contents.
13810 (build_constant_desc): Create a block symbol if use_object_blocks_p
13811 says so. Or into SYMBOL_REF_FLAGS.
13812 (assemble_constant_contents): New function, split from...
13813 (output_constant_def_contents): ...here. Don't output any code
13814 for block symbols; just pass them to place_section_symbol.
13815 Use get_constant_section and get_constant_alignment.
13816 (force_const_mem): Create a block symbol if use_object_blocks_p and
13817 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13818 (output_constant_pool_1): Add an explicit alignment argument.
13819 Don't switch sections here.
13820 (output_constant_pool): Adjust call to output_constant_pool_1.
13821 Switch sections here instead. Don't output anything for block symbols;
13822 just pass them to place_block_symbol.
13823 (init_varasm_once): Initialize object_block_htab.
13824 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13825 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13826 (place_block_symbol, get_section_anchor, output_object_block)
13827 (output_object_block_htab, output_object_blocks): New functions.
13828 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13829 (TARGET_ASM_OUT): Include it.
13830 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13831 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13832 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13833 (TARGET_INITIALIZER): Include them.
13834 * rtl.c (rtl_check_failed_block_symbol): New function.
13835 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13836 (block_symbol, object_block): New structures.
13837 (rtx_def): Add a block_symbol field to the union.
13838 (BLOCK_SYMBOL_CHECK): New macro.
13839 (rtl_check_failed_block_symbol): Declare.
13840 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13841 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13842 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13843 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13844 * output.h (output_section_symbols): Declare.
13845 (object_block): Name structure.
13846 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13847 (default_use_anchors_for_symbol_p): Declare.
13848 * Makefile.in (RTL_BASE_H): Add vec.h.
13849 (explow.o): Depend on output.h.
13850 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13851 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13852 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13853 (rs6000_use_blocks_for_constant_p): New function.
13855 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13857 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13859 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13862 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13865 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13867 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13871 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13873 PR middle-end/26334
13874 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13875 instead of DECL_REGISTER.
13877 2006-02-18 Olivier Hainque <hainque@adacore.com>
13880 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13882 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13885 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13886 * opth-gen.awk: Handle Var and InverseMask together.
13887 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13888 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13889 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13890 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13892 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13893 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13894 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13895 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13896 LINUX_DYNAMIC_LINKER): Define.
13897 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13898 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13900 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13901 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13902 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13903 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13904 (TARGET_C99_FUNCTIONS): Don't define.
13905 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13906 GLIBC_DYNAMIC_LINKER.
13907 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13908 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13909 GLIBC_DYNAMIC_LINKER64): Define.
13910 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13911 LINUX_DYNAMIC_LINKER64.
13912 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13913 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13914 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13915 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13916 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13917 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13918 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13919 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13920 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13921 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13922 and LINUX_DYNAMIC_LINKER32.
13923 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13924 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13925 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13926 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13927 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13929 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13930 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13931 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13932 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13933 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13934 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13935 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13936 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13937 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13938 LINUX_DYNAMIC_LINKER): Define.
13939 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13940 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13941 GLIBC_DYNAMIC_LINKER64): Define.
13942 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13943 LINUX_DYNAMIC_LINKER64.
13944 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13945 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13946 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13947 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13948 LINUX_DYNAMIC_LINKER): Define.
13949 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13950 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13951 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13952 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13953 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13954 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13955 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13956 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13957 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13958 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13959 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13960 * doc/invoke.texi (-muclibc): Remove caveat about supported
13963 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13965 * doc/cpp.texi (__TIMESTAMP__): Document.
13967 2006-02-17 Roger Sayle <roger@eyesopen.com>
13969 PR middle-end/25600
13970 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13971 C is one less than the width of X (and related transformations).
13972 * simplify-rtx.c (simplify_unary_operation_1): Transform
13973 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13974 depending on STORE_FLAG_VALUE, were C is one less then the
13977 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13979 Fix PR tree-optimization/26341
13980 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13981 about NAME_MEMORY_TAG's.
13983 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13986 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13987 with hardware float support, and software float support. Add fcpy
13988 alternative to hardware patterns. Add alternatives to copy between
13989 general and floating-point registers to the 32-bit pattern.
13990 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13991 secondary reload to load a QI or HI mode constant into a floating
13993 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13994 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13996 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13999 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14001 (load_macho_picbase_di): Likewise.
14003 2006-02-16 Jeff Law <law@redhat.com>
14005 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14006 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14007 (ssa_name_nonzero_p): Likewise.
14008 (get_value_range): Return NULL if VRP is not running.
14009 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14010 VRP routines do not discover a range.
14011 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14012 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14013 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14014 (tree_expr_nonnegative_p): Similarly.
14015 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14016 (restore_nonzero_vars_to_original_value): Remove.
14017 (unsafe_associative_fp_binop): Remove.
14018 (tree_ssa_dominator_optimize): Remove initialization and
14019 finalization of nonzero_vars and nonzero_vars_stack.
14020 (dom_opt_initialize_block): No longer push marker on
14021 nonzero_vars_stack.
14022 (dom_opt_finalize_block): No longer call
14023 restore_nonzero_vars_to_original_value.
14024 (record_equivalences_from_phis): No longer look for
14025 nonzero PHI arguments.
14026 (cprop_into_successor_phis): No longer propagate nonzero
14027 property into PHI arguments. Lose unused argument. Caller
14029 (record_equivalences_from_stmt): No longer record nonzero
14030 values for SSA_NAMEs.
14031 (lookup_avail_expr): No longer use nonzero_vars.
14033 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14034 for sizetype when sizetype is unsigned.
14036 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14038 PR rtl-optimization/25603
14039 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14040 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14041 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14042 with new meaning of SETS.
14044 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14049 * config/linux.opt: New file.
14050 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14051 LINUX_DYNAMIC_LINKER): Define.
14052 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14053 * config.gcc (*-*-linux*): Define extra_options.
14054 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14055 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14056 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14057 GLIBC_DYNAMIC_LINKER.
14058 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14059 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14060 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14061 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14062 * doc/invoke.texi (GNU/Linux Options): New section.
14064 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14066 * config/sparc/sparc.md (setjmp): Rewrite.
14067 (setjmp_32): Delete.
14068 (setjmp_64): Likewise.
14070 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14072 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14075 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14077 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14080 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14082 PR rtl-optimization/26296
14083 * Makefile.in (loop-invariant.c): Add except.h dependency.
14084 * loop-invariant.c: Include except.h.
14085 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14087 2005-02-16 Paul Brook <paul@codesourcery.com>
14089 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14092 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14094 PR rtl-optimization/25636
14095 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14096 when deciding whether an insn is an initializing insn.
14098 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14100 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14101 (tree_code_size): Ditto.
14102 * tree.h (struct tree_memory_tag): Remove parent_var.
14103 (struct tree_struct_field_tag): New.
14106 (union tree_node): Add sft member.
14107 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14109 (create_sft): Add size and offset argument, set SFT_OFFSET and
14111 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14112 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14113 * tree-flow-inline.h (get_subvar_at): Update for
14114 SFT_OFFSET/SFT_SIZE.
14115 (var_can_have_subvars): Ditto.
14116 (overlap_subvar): Ditto.
14117 * print-tree.c (print_node): Print out interesting things for
14119 * tree-flow.h (struct subvar): Remove offset and size members.
14120 * tree-ssa-operands.c (get_expr_operands): Update for
14121 get_indirect_ref_operands changes.
14122 (get_indirect_ref_operands): Call add_virtual_operand instead of
14123 add_stmt_operand. Only recurse on base var if requested.
14124 (access_can_touch_variable): New function.
14125 (add_stmt_operand): Split virtual operand handling into ...
14126 (add_virtual_operand): Here. Add offset, size, and for_clobber
14127 arguments. Prune alias sets.
14128 (add_call_clobber_ops): Call add_virtual_operand.
14130 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14132 PR middle-end/26300
14133 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14135 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14136 than TREE_CODE as index into omp_clause_num_ops array.
14138 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14140 PR rtl-optimization/26184
14141 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14143 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14144 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14145 must_precede, must_follow and tobe_scheduled.
14148 * opts.c (common_handle_option): Free new_option pointer.
14149 * df-core.c (df_analyze): Free postorder pointer.
14151 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14153 * Makefile.in: Fix the examples about the use of stamps
14155 2006-02-15 Michael Matz <matz@suse.de>
14157 PR middle-end/22275
14159 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14160 influenced by maximum_field_alignment or DECL_PACKED.
14161 (update_alignment_for_field): Ditto.
14162 (place_field): Ditto.
14163 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14166 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14168 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14169 (debug_flow_info): Pass it.
14170 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14171 * bb-reorder.c (reorder_basic_blocks): Likewise.
14172 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14173 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14174 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14175 * gcse.c (gcse_main, bypass_jumps): Likewise.
14176 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14177 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14178 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14179 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14180 * rtl.h (dump_flow_info): Adjust prototype.
14181 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14182 * var-tracking.c (variable_tracking_main): Likewise.
14183 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14184 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14187 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14189 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14192 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14194 PR tree-optimization/26209
14195 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14196 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14198 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14200 2006-02-14 Roger Sayle <roger@eyesopen.com>
14202 PR middle-end/23670
14203 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14204 (X,Y) and the corresponding symmetry related transformations.
14205 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14206 (X,Y) and its symmetry related transformations.
14208 2006-02-14 Roger Sayle <roger@eyesopen.com>
14210 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14213 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14215 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14217 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14220 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14221 support COMDAT group.
14222 * configure: Regenerate.
14224 2006-02-14 Roger Sayle <roger@eyesopen.com>
14226 PR middle-end/26279
14227 PR middle-end/26280
14228 PR middle-end/26283
14229 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14231 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14233 Fix PR tree-optimization/26260
14235 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14237 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14238 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14239 * tree-ssa-structalias.c (create_variable_info_for): Use
14240 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14242 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14244 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14246 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14247 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14248 of the ending condition.
14249 * tree-ssa-loop-manip.c: Include params.h.
14250 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14251 tree_unroll_loop): New functions.
14252 * tree-pass.h (pass_loop_prefetch): Declare.
14253 * loop.c (rest_of_handle_loop_optimize): Test for
14254 -fprefetch-loop-arrays-rtl.
14255 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14256 * timevar.def (TV_TREE_PREFETCH): New timevar.
14257 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14258 pass_loop_prefetch): New.
14259 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14260 (cleanup_tree_cfg_loop): Call scev_reset.
14261 * common.opt (fprefetch-loop-arrays-rtl): Add.
14262 * tree-ssa-loop-prefetch.c: New file.
14263 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14264 (new_temp_expr_table): Initialize expr_vars.
14265 (free_temp_expr_table): Cleanup expr_vars.
14266 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14267 expressions from being merged into one.
14268 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14269 (struct tree_niter_desc): Add control, bound and cmp fields.
14270 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14272 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14273 (tree-cfgcleanup.o): Add SCEV_H dependency.
14274 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14275 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14277 2006-02-14 Richard Guenther <rguenther@suse.de>
14279 PR tree-optimization/26258
14280 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14281 in PHI argument processing.
14283 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14285 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14286 new expression in the requested machine mode.
14288 2006-02-13 Roger Sayle <roger@eyesopen.com>
14290 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14291 directly, instead let do_compare_rtx_and_jump handle this for us.
14292 * expr.c (expand_expr_real_1): Likewise.
14293 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14294 before do_jump_by_parts_greater.
14295 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14296 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14298 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14300 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14302 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14304 PR rtl-optimization/26235
14305 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14306 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14309 2006-02-13 Jeff Law <law@redhat.com>
14311 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14314 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14316 PR middle-end/26092
14317 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14318 twice if decl is a builtin. When trying again, call get_callee_fndecl
14319 first to verify it is still a builtin.
14321 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14323 * dwarf2out.c (base_type_die): Don't add AT_name here.
14324 (subrange_type_die): Don't add AT_name here.
14325 (modified_type_die): Rearrange code flow. Do add AT_name here.
14327 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14329 PR rtl-optimization/26247
14330 PR rtl-optimization/26248
14331 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14333 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14335 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14336 * config/fixtfdi.c: Likewise.
14337 * config/fixunstfdi.c: Likewise.
14338 * config/floatditf.c: Likewise.
14340 2006-02-13 Roger Sayle <roger@eyesopen.com>
14342 PR middle-end/24427
14343 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14344 into (X,C2) if C1 is a subset of the bits of C2. Transform
14345 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14347 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14349 2006-02-13 Josh Conner <jconner@apple.com>
14352 * varasm.c (function_section): Check for section name before
14353 calling select_section on targets that define
14354 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14355 unlikely_text_section instead of hot_function_section if
14356 first_function_block_is_cold.
14358 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14360 PR middle-end/25335
14361 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14363 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14365 PR rtl-optimization/26222
14366 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14367 after tree->rtl expansion.
14368 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14369 before passing it to emit_move_insn.
14371 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14373 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14375 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14376 Clarify documentation.
14377 * c-common.h (warn_write_strings): Remove.
14378 * c-common.c (warn_write_strings): Likewise.
14379 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14382 2006-02-12 Roger Sayle <roger@eyesopen.com>
14384 PR middle-end/25724
14385 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14386 (do_jump_parts_zero_rtx): New function renamed from
14387 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14388 (do_jump_parts_equality_rtx): New function split out from
14389 do_jump_parts_equality. Old implementation renamed as above.
14390 Call do_jump_parts_zero_rtx if either operand is zero.
14391 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14392 do all of the heavy lifting.
14393 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14394 calling either do_jump_by_parts_greater_rtx or
14395 do_jump_by_parts_equality_rtx.
14396 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14397 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14398 moved to do_compare_rtx_and_jump, call it directly.
14399 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14400 mode argument. Call do_compare_rtx_and_jump.
14401 (emit_case_nodes): Update calls to do_jump_if_equal.
14403 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14405 PR rtl-optimization/26225
14406 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14408 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14410 PR rtl-optimization/26232
14411 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14413 2006-02-11 Jason Merrill <jason@redhat.com>
14416 * tree-inline.c (declare_return_variable): Just don't use the
14417 modify target if it's a gimple complex reg and the return slot
14420 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14422 * doc/contrib.texi: Update my entry.
14424 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14426 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14428 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14430 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14433 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14435 * doc/invoke.texi (-floop-optimize2): Removed.
14436 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14437 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14438 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14439 * common.opt (floop-optimize2): Removed.
14440 (fmove-loop-invariants): Enabled by default.
14442 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14444 * tree-if-conv.c (combine_blocks): Free the result of
14445 get_loop_exit_edges.
14447 2006-02-10 Jeff Law <law@redhat.com>
14449 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14451 PR tree-optimization/26213
14452 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14453 loop trying to follow SSA_NAME_VALUE chains.
14455 2006-02-10 Richard Guenther <rguenther@suse.de>
14457 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14458 deal with structures that end in implicitly variable sized arrays.
14460 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14462 PR rtl-optimization/24762
14463 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14466 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14468 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14469 (struct ivopts_data): Add regs_used field.
14470 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14471 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14472 instead of loop_data->regs_used;
14473 (free_loop_data): Do not free aux fields for loops.
14474 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14475 and tree_ssa_iv_optimize_finalize.
14477 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14479 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14481 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14484 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14485 computing the effective result type.
14487 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14489 PR inline-asm/16194
14490 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14491 (tree_overlaps_hard_reg_set): Declare.
14492 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14493 type and signature to match function type expected by walk_tree.
14494 (tree_overlaps_hard_reg_set): New function.
14495 (decl_conflicts_with_clobbers_p): Rename to:
14496 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14497 Use tree_overlaps_hard_reg_set. Changed caller.
14498 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14499 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14500 * cris.c (cris_md_asm_clobbers): Likewise.
14502 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14504 * reload1.c (emit_input_reload_insns): Delete code that tries to
14505 inherit using find_equiv_reg.
14507 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14509 * c-common.h (flag_const_strings): Don't declare.
14510 * c-common.c (flag_const_strings): Remove.
14511 * c.opt (fconst_strings): Remove.
14512 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14513 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14514 (c_common_init_options): Don't set flag_const_strings.
14515 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14517 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14519 * arm.md (tlobits_cbranch): New pattern.
14520 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14521 testing a single bit.
14523 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14526 * tree-ssa-pre.c (create_component_ref_by_pieces):
14527 Handle RETURN_DECL like VAR_DECL.
14529 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14531 PR middle-end/26134
14532 * fold-const.c (fold_indirect_ref_1): Fold
14533 "*(foo *)&complexfoo" to "__real__ complexfoo"
14534 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14536 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14538 * tree-flow-inline.h (var_can_have_subvars):
14539 Volatile variables should not have subvariables.
14541 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14544 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14545 multiplying unsigned values.
14548 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14550 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14552 2006-02-08 Jason Merrill <jason@redhat.com>
14555 * tree.def: Elaborate on difference from MODIFY_EXPR.
14556 * doc/c-tree.texi (INIT_EXPR): Likewise.
14557 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14558 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14559 (gimplify_target_expr): Likewise.
14560 (gimplify_cond_expr): Remove target handling.
14561 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14562 (gimplify_expr): Clobber it here.
14563 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14564 Do return slot optimization if we have an INIT_EXPR.
14567 * tree-inline.c (declare_return_variable): Also clear
14568 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14571 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14573 PR middle-end/22439
14574 * gimplify.c (gimplify_one_sizepos): Fix typo.
14576 2006-02-08 Jeff Law <law@redhat.com>
14578 PR tree-optimization/21417
14579 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14580 across a backedge if the control statement at the end of the
14581 block is data dependent on other statements in the same block.
14582 (record_temporary_equivalences_from_stmts): Remove over-conservative
14583 test for threading across backedges.
14585 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14586 control statement, handle all three special cases in the same
14587 manner as they all have the same desired solution. No longer
14588 special case edge flag updating when the post dominator is
14591 2006-02-08 Roger Sayle <roger@eyesopen.com>
14593 * tree.def (CHAR_TYPE): Remove.
14594 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14595 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14596 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14597 (gen_string_type_die): Delete unreachable function.
14599 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14600 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14601 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14602 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14603 * builtins.c (type_to_class): Likewise.
14604 * fold-const.c (fold_convert, build_range_check,
14605 merge_ranges): Likewise.
14606 * expr.c (count_type_elements): Likewise.
14607 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14608 * stor-layout.c (layout_type): Likewise.
14609 * ipa-type-escape.c (type_to_consider): Likewise.
14610 * gimplify.c (omp_firstprivatize_type_sizes,
14611 gimplify_type_sizes): Likewise.
14612 * explow.c (promote_mode): Likewise.
14613 * tree-sra.c (is_sra_scalar_type): Likewise.
14614 * varasm.c (output_constant): Likewise.
14615 * tree-inline.c (remap_type_1): Likewise.
14616 * convert.c (convert_to_pointer, convert_to_real,
14617 convert_to_integer, convert_to_complex): Likewise.
14619 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14621 * df-scan.c (df_def_record_1): A set destination may
14622 be a parallel regardless of mode.
14624 2006-02-08 Roger Sayle <roger@eyesopen.com>
14627 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14628 * config/mips/_tilib.c: Remove.
14629 * config/fixtfdi.c: New libgcc source file.
14630 * config/fixunstfdi.c: New source file.
14631 * config/floatditf.c: New source file.
14632 * config/floatunditf.c: New souce file.
14633 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14634 files above instead of config/mips/_tilib.c.
14635 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14637 2006-02-08 Jeff Law <law@redhat.com>
14639 PR tree-optimization/26169
14640 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14643 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14645 * df.h (DF_REG_SIZE): Return the length of the initialized
14648 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14650 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14651 __muldf3): Return a correctly signed zero.
14653 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14655 * passes.c (register_one_dump_file): Accept the current properties
14656 instead of pass number. Adjust call to dump_register. Remove
14658 (register_dump_files): Now a wrapper around...
14659 (register_dump_files_1): ... this one. Do not modify the pass
14661 (next_pass_1): Cosmetic fix.
14662 (execute_todo): Keep second parameter only. Use curr_properties
14663 instead of fetching it from the pass structure. Check and set
14665 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14666 instead of fetching it from the pass structure. Fix calls to
14667 execute_todo. Update curr_properties and initialize .vcg RTL dump
14668 after running the pass. Reset last_verified.
14669 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14671 (FIRST_AUTO_NUMBERED_DUMP): New.
14672 (dump_register): Remove "num" parameter, assign it within the
14674 (get_dump_file_name): Modify template for dumps.
14675 * tree-dump.h (dump_register): Adjust prototype.
14676 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14677 (PROP_trees): Add PROP_gimple_lomp.
14678 (TODO_set_props): New.
14679 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14680 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14681 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14683 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14685 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14686 (sparc64-*-linux*): Likewise.
14687 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14688 * config/sparc/t-linux: New file.
14689 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14690 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14691 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14692 -m32 -mlong-double-128.
14694 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14695 * config/alpha/t-linux: New file.
14696 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14698 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14699 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14700 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14701 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14702 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14703 (CPP_ARCH32_SPEC): Remove.
14705 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14707 PR tree-optimization/26145
14708 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14711 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14714 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14715 >= 240000 when generating code for SOM runtime.
14716 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14717 to $$dyncall when generating code for SOM runtime..
14719 2006-02-07 Dirk Mueller <dmueller@suse.com>
14722 * doc/invoke.texi (-Wsequence-point): Update documentation
14723 that -Wsequence-point is implemented for C++ as well.
14725 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14727 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14728 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14729 (LIB_SPEC): Likewise.
14730 * doc/invoke.texi (SPARC options): Document -pthread.
14732 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14734 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14737 2006-02-07 Roger Sayle <roger@eyesopen.com>
14739 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14740 Correct comment describing BOOLEAN_TYPE.
14742 2006-02-07 Dirk Mueller <dmueller@suse.com>
14744 * c.opt: C++ frontend supports -Wdiv-by-zero.
14745 * c-opts.c (c_common_handle_option): Remove dead case.
14747 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14749 * configure.ac (TLS assembler check): Do not enable TLS by
14750 default on SPARC/Solaris before version 10.
14751 * configure: Regenerate.
14753 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14755 * doc/invoke.texi (xl-compat): Document conversion and support
14758 2006-02-07 Jeff Law <law@redhat.com>
14760 * tree-vrp.c (find_conditional_asserts): Update comments.
14761 (simplify_stmt_for_jump_threading): New.
14762 (identify_jump_threads, finalize_jump_threads): New.
14763 (vrp_finalize): Call identify_jump_threads.
14764 (execute_vrp): Call finalize_jump_threads.
14765 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14766 (vrp_element, vrp_data, vrp_element_p): Remove.
14767 (vrp_hash_elt, vrp_variables_stack): Remove.
14768 (vrp_hash, vrp_eq, record_range): Remove.
14769 (simplify_cond_and_lookup_avail_expr): Remove.
14770 (extract_range_from_cond): Remove.
14771 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14772 (simplify_stmt_for_jump_threading): New.
14773 (dom_thread_across_edge): New wrapper.
14774 (tree_ssa_dominator_optimize): No longer initialize or
14775 finalize any of the VRP datastructures. Remove iteration
14776 step and simplify as a result of removal of iteration step.
14777 (pass_dominator): Perform a cfg cleanup after DOM.
14778 (dom_opt_finalize_block): Use the new common routines
14779 for threading jumps. Simplify stack management slightly.
14780 No longer need to unwind VRP state.
14781 (record_equivalences_from_incoming_edge): No longer record
14783 (eliminate_redundant_computations): No longer call
14784 simplify_cond_and_lookup_avail_expr.
14785 * tree-flow.h (potentially_threadable_block): Prototype.
14786 (thread_across_edge): Likewise.
14787 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14788 (tree-ssa-threadedge.o): Add dependencies.
14789 * tree-ssa-threadedge.c: New file.
14790 * passes.c (init_optimization_passes): Merge PHIs before
14791 calling VRP. Run VRP again late in the SSA optimization pipeline.
14793 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14795 * df-core.c (df_set_blocks): Do not dereference function pointers.
14796 (df_finish1): Likewise.
14797 (df_hybrid_search_forward): Likewise.
14798 (df_hybrid_search_backward): Likewise.
14799 (df_iterative_dataflow): Likewise.
14800 (df_analyze_problem): Likewise.
14801 (df_compact_blocks): Likewise.
14802 (df_dump): Likewise.
14803 * df-scan.c (df_rescan_blocks): Likewise.
14804 (df_record_entry_block_defs): Likewise.
14806 * genconditions.c (write_conditions): Guard the definition of
14807 'insn_conditions' with the check on GCC version.
14808 (write_writer): Guard the traversal 'insn_conditions' with
14809 the check on GCC version.
14811 2006-02-07 Richard Guenther <rguenther@suse.de>
14815 2006-01-30 Richard Guenther <rguenther@suse.de>
14817 * gimplify.c (gimplify_target_expr): Handle easy cases
14818 without creating a temporary.
14820 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14822 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14823 use of float in probability computations. Use edge probabilities
14824 in place of statically computed probabilities.
14825 (min_spec_prob): New static variable.
14826 (schedule_insns): Initialize it.
14827 (GET_SRC_PROB): Removed.
14828 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14830 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14833 * config/ia64/unwind-ia64.c: Revert last change.
14834 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14835 (INCOMING_FRAME_SP_OFFSET): Define.
14837 2006-02-06 Roger Sayle <roger@eyesopen.com>
14839 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14841 2006-02-07 Ben Elliston <bje@au.ibm.com>
14843 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14844 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14845 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14846 (ix86_return_in_memory): Handle TDmode.
14847 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14848 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14850 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14852 * reorg.c (dbr_schedule): Use dump_file instead of file.
14854 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14857 * config/ia64/predicates.md (extr_len_operand): New predicate.
14858 * config/ia64/ia64.md (extv): Tighten constraints.
14860 (*tbit_and_2): Ditto.
14861 (*tbit_and_3): Ditto.
14862 (*tbit_or_2): Ditto.
14863 (*tbit_or_3): Ditto.
14864 (*bit_zero): Ditto.
14867 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14870 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14872 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14874 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14875 loop_optimizer_init and loop_optimizer_finalize
14876 * tree-ssa-sink.c (execute_sink_code): Ditto.
14877 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14878 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14879 tree_ssa_loop_done): Ditto.
14880 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14881 * sched-ebb.c: Include output.h.
14882 (schedule_ebbs): Do not use dump argument.
14883 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14884 * loop.c (loop_dump_stream): Removed.
14885 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14887 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14888 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14889 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14890 loop_iterations, strength_reduce, record_biv, record_giv,
14891 final_giv_value, check_final_value, check_ext_dependent_givs,
14892 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14893 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14894 dump_file instead of loop_dump_stream.
14895 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14896 argument dump_file.
14897 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14899 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14900 * haifa-sched.c: Include output.h
14901 (schedule_insns, sched_init): Do not use dump argument.
14902 * mode-switching.c (optimize_mode_switching): Ditto.
14903 * modulo-sched.c (stats_file): Removed.
14904 (print_node_sched_params): Do not call argument dump_file.
14905 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14906 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14908 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14910 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14911 rtl_loop_init, rtl_loop_done): Ditto.
14912 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14913 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14915 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14916 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14917 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14918 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14919 * emit-rtl.c (renumber_insns): Ditto.
14920 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14921 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14922 * regclass.c (regclass): Ditto.
14923 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14924 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14925 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14926 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14928 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14929 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14931 * gcse.c (gcse_file, debug_stderr): Removed.
14932 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14933 rest_of_handle_gcse): Do not use dump argument.
14934 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14935 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14936 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14937 compute_code_hoist_vbeinout, compute_code_hoist_data,
14938 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14939 compute_store_table, build_store_vectors, insert_insn_start_bb,
14940 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14941 store_motion): Use dump_file instead of gcse_file.
14942 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14943 * profile.c (profile_dump_file): Removed.
14944 (branch_prob): Use dump_file instead of profile_dump_file.
14945 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14947 * tree-ssa-copy.c (dump_copy_of): Ditto.
14948 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14949 dump file to life_analysis.
14950 * bt-load.c (branch_target_load_optimize): Ditto.
14951 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14953 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14954 regclass, dbr_schedule): Declaration changed.
14955 * sched-int.h (sched_init): Declaration changed.
14956 * tree-profile.c (tree_profile_dump_file): Removed.
14957 (tree_profile_hooks): Removed profile_dump_file hook.
14958 * rtl-profile (rtl_profile_dump_file): Removed.
14959 (rtl_profile_hooks): emoved profile_dump_file hook.
14960 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14962 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14963 * tree-cfg.c (build_tree_cfg): Ditto.
14964 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14965 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14966 Declaration changed.
14967 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14968 life_analysis and schedule_insns.
14969 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14971 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14973 * config/mips/mips.c (mips_reorg): Ditto.
14974 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14977 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14979 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14980 (s390_mangle_fundamental_type): New.
14981 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14984 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14985 (alpha_mangle_fundamental_type): New.
14986 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14989 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14991 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14993 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14994 (sparc_mangle_fundamental_type): New.
14996 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14998 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14999 (s390x-*-linux*): Likewise.
15000 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15001 * config/s390/t-linux: New file.
15003 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15005 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15006 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15008 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15010 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15011 (ANTIC_SAFE_LOADS): New macro.
15012 (find_or_generate_expression): Add prototype.
15013 (set_contains_value): Allow null set for sake of not always having
15014 to allocate ANTIC_SAFE_LOADS.
15015 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15016 Allow COMPONENT_REF too.
15017 (valid_in_set): Allow COMPONENT_REF.
15018 Check ANTIC_SAFE_LOADS too.
15019 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15020 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15022 (can_PRE_operation): Add COMPONENT_REF.
15023 (create_component_ref_by_pieces): New function.
15024 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15025 (insert_aux): Move AGGREGATE_TYPE_P check here.
15026 (compute_avail): Set bb local stmt uids.
15027 (pass_pre): Use TODO_update_ssa_only_virtuals.
15029 2006-02-06 Ben Elliston <bje@au.ibm.com>
15031 * configure.ac: Unconditionally disable decimal float by default.
15032 * configure: Regenerate.
15034 2006-02-06 Ben Elliston <bje@au.ibm.com>
15036 * read-rtl.c (read_name): Terminate reading on EOF.
15038 2006-02-06 Ben Elliston <bje@au.ibm.com>
15040 * dfp.c (decimal_real_arithmetic): Change second argument type
15041 from int to enum tree_code. Do not always return true, but now
15042 return result of any call to decimal_do helper functions.
15043 * dfp.h (decimal_real_arithmetic): Update prototype.
15045 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15047 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15049 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15052 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15055 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15057 * tree-vrp.c (cfg_loops): Removed.
15058 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15059 Use current_loops instead of cfg_loops. Pass flags to
15060 loop_optimizer_init.
15061 * cfgloopmanip.c (fix_loop_structure): Update only available
15063 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15064 loop_optimizer_init.
15065 * modulo-sched.c (build_loops_structure): Removed.
15066 (sms_schedule): Use loop_optimizer_init.
15067 * loop-init.c (loop_optimizer_init): Use flags to determine
15068 which properties of loops to prepare.
15069 (rtl_loop_init): Pass flags to loop_optimizer_init.
15070 * tree-ssa-sink.c (execute_sink_code): Ditto.
15071 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15072 * tree-ssa-pre.c (init_pre): Ditto.
15073 * cfgloop.h (LOOPS_NORMAL): New.
15074 (loop_optimizer_init): Declaration changed.
15076 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15078 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15079 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15081 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15083 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15085 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15086 * pa/t-pa64: Delete quadlib.c rule.
15087 * pa/x-ada: Revert last change.
15088 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15090 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15092 PR rtl-optimization/26087
15093 * rtlanal.c (canonicalize_condition): Do not cross basic block
15096 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15099 * config/ia64/ia64.c: Include debug.h.
15100 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15101 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15102 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15103 (process_epilogue, process_set, process_for_unwind_directive):
15104 Output unwind info only if requested. Add CFA info if requested.
15105 Add new arguments as needed. Adjust callers.
15106 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15108 (DWARF2_FRAME_INFO): Define to zero.
15109 * config/ia64/unwind-ia64.c: Remove code that compensated for
15110 the CFA offset error fixed above.
15111 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15112 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15113 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15114 -funwind-tables and -fexceptions to enable frame info.
15115 (dwarf2out_frame_init): Define initial CFA even if
15116 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15117 DWARF2_UNWIND_INFO is nonzero, not just defined.
15118 (dwarf2out_frame_finish): Output non-EH call frame info only
15119 if DWARF2_FRAME_INFO is nonzero.
15120 (convert_cfa_to_loc_list,
15121 compute_frame_pointer_to_cfa_displacement): Define even if
15122 unwind info is not supported.
15123 (gen_subprogram_die): Use the above unconditionally. Remove
15124 legacy alternate code.
15125 * toplev.c (compile_file): Compile in call to
15126 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15127 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15129 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15130 Jakub Jelinek <jakub@redhat.com>
15132 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15133 IBM extended float format long double as "g" on powerpc*-linux.
15135 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15138 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15139 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15141 2006-02-03 Jason Merrill <jason@redhat.com>
15144 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15146 PR middle-end/25977
15147 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15148 on the return slot if it's an NRV.
15150 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15152 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15153 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15154 rewrite_use): Do not handle USE_OUTER.
15155 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15156 add_iv_outer_candidates, may_replace_final_value,
15157 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15158 (find_interesting_uses_op): Functionality of
15159 find_interesting_uses_outer_or_nonlin moved here.
15160 (find_interesting_uses_outside): Use find_interesting_uses_op.
15162 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15165 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15167 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15168 Ulrich Weigand <uweigand@de.ibm.com>
15171 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15172 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15173 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15174 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15176 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15177 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15178 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15179 Define secondary reloads for TFmode moves.
15180 (constant_modes): Add TFmode.
15181 (NR_C_MODES): Set to 8.
15182 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15184 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15185 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15186 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15187 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15188 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15189 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15190 (FPR mode macro): Add TFmode.
15191 (DSF mode macro): New.
15192 (<de>, <dee> mode attributes): Removed.
15193 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15194 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15195 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15196 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15197 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15198 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15199 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15200 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15201 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15202 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15203 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15204 "*negabs<mode>2", "sqrt<mode>2"):
15205 Changed <de> to <xde>. R constraint replaced by <Rf>.
15206 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15208 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15209 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15210 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15212 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15213 "extenddftf2", "extendsftf2"): New expanders.
15214 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15215 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15216 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15217 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15219 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15220 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15221 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15222 __floatditf): Add a GCC_4.1.0 symbol version tag.
15223 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15226 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15229 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15230 Use targetm.binds_local_p instead of TREE_PUBLIC.
15232 2006-02-02 Roger Sayle <roger@eyesopen.com>
15234 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15235 on INTEGER_TYPEs to indicate that it denotes a character type.
15236 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15237 signed_char_type_node, unsigned_char_type_node and char_type_node.
15238 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15239 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15240 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15242 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15243 Daniel Berlin <dberlin@dberlin.org>
15245 * tree-tailcall.c (arg_needs_copy_p): New function.
15246 (eliminate_tail_call): Use arg_needs_copy_p.
15247 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15248 (add_virtual_phis): New function.
15250 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15252 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15253 #ignore instead of #scratch for %g7 .register directive.
15255 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15257 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15260 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15262 * flow.c (calculate_global_regs_live): Assert that there aren't any
15265 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15267 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15268 what its name says.
15269 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15270 bsi_after_labels iterator.
15271 * tree-if-conv.c (find_phi_replacement_condition,
15272 replace_phi_with_cond_modify_expr): Likewise.
15273 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15274 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15276 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15278 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15280 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15283 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15284 array after growing it.
15286 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15288 PR middle-end/24901
15289 * fold-const.c (fold_checksum_tree): Change type of buf.
15291 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15293 * reload.c (push_secondary_reload): Initialize t_icode.
15295 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15297 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15298 -msoft-float -mlong-double-128 only issue a warning, but don't
15299 swich to DFmode long double.
15301 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15303 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15304 has a constant equivalent, iterate over equivalents for arg0,
15305 calling simplify_relational_operation and if there's a result
15306 cheaper than X, apply fold_rtx and return the result.
15308 2006-02-01 Jan Hubicka <jh@suse.cz>
15310 * opts.c (no_unit_at_a_time_default): New global variable.
15311 (decode_options): Use it.
15312 * opts.h (no_unit_at_a_time_default): Declare.
15314 2006-02-01 Paul Brook <paul@codesourcery.com>
15316 * function.c (assign_parm_setup_reg): Use function argument promotion
15318 * expr.c (expand_expr_real_1): Use function argument promotion rules
15321 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15323 * gcc.c (process_command): Change j to 'unsigned int'.
15325 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15327 PR middle-end/26001
15328 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15329 Use the corrected index for the character
15330 out of the string constant.
15332 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15334 * mode-switching.c (optimize_mode_switching): Fix size
15335 allocated for bb_info[n_entities].
15337 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15339 * gcc.c (main): Correct type that is allocated for
15340 explicit_link_files.
15342 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15344 * config/s390/s390.c (init_alignment_context): Set
15345 ALIAS_SET_MEMORY_BARRIER on the MEM.
15346 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15348 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15350 PR middle-end/25933
15351 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15353 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15356 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15358 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15359 * regrename.c: Ditto.
15360 * tree-ssa-loop-im.c: Ditto.
15361 * tree-dump.c: Ditto.
15362 * tree-complex.c: Ditto.
15363 * genrecog.c: Ditto.
15364 * tree-ssa-threadupdate.c: Ditto.
15366 * java/class.c: Ditto.
15367 * java/jcf-parse.c: Ditto.
15368 * java/resource.c: Ditto.
15369 * java/except.c: Ditto.
15370 * java/jvspec.c: Ditto.
15371 * java/jcf-write.c: Ditto.
15372 * java/jcf-path.c: Ditto.
15373 * java/gjavah.c: Ditto.
15374 * java/zextract.c: Ditto.
15375 * java/jcf-io.c: Ditto.
15376 * java/jcf.h: Ditto.
15377 * java/buffer.c: Ditto.
15378 * java/lang.c: Ditto.
15379 * java/parse-scan.y: Ditto.
15380 * java/lex.c: Ditto.
15381 * java/lex.h: Ditto.
15382 * cfgloopmanip.c: Ditto.
15383 * postreload-gcse.c: Ditto.
15384 * tree-ssa-loop-manip.c: Ditto.
15385 * postreload.c: Ditto.
15386 * tree-ssa-loop-ch.c: Ditto.
15389 * cppspec.c: Ditto.
15390 * diagnostic.c: Ditto.
15392 * genoutput.c: Ditto.
15394 * cfghooks.c: Ditto.
15395 * cfgloopanal.c: Ditto.
15396 * objc/objc-act.c: Ditto.
15398 * genextract.c: Ditto.
15399 * genautomata.c: Ditto.
15400 * pretty-print.c: Ditto.
15401 * genemit.c: Ditto.
15402 * cgraphunit.c: Ditto.
15404 * df-scan.c: Ditto.
15405 * haifa-sched.c: Ditto.
15406 * dominance.c: Ditto.
15408 * tree-ssa-loop-ivopts.c: Ditto.
15409 * df-core.c: Ditto.
15410 * mode-switching.c: Ditto.
15411 * modulo-sched.c: Ditto.
15413 * ipa-pure-const.c: Ditto.
15415 * fix-header.c: Ditto.
15417 * tree-stdarg.c: Ditto.
15418 * ipa-utils.c: Ditto.
15419 * loop-init.c: Ditto.
15420 * ipa-inline.c: Ditto.
15421 * cfganal.c: Ditto.
15423 * alloc-pool.c: Ditto.
15424 * dwarf2out.c: Ditto.
15426 * genattrtab.c: Ditto.
15427 * tree-ssa-loop-ivcanon.c: Ditto.
15428 * predict.c: Ditto.
15429 * timevar.c: Ditto.
15431 * fortran/gfortranspec.c: Ditto.
15432 * regmove.c: Ditto.
15433 * local-alloc.c: Ditto.
15434 * langhooks.c: Ditto.
15435 * function.c: Ditto.
15436 * tree-vectorizer.c: Ditto.
15438 * ipa-type-escape.c: Ditto.
15440 * tree-if-conv.c: Ditto.
15441 * profile.c: Ditto.
15443 * tree-data-ref.c: Ditto.
15444 * loop-unroll.c: Ditto.
15445 * treelang/treetree.c: Ditto.
15447 * bt-load.c: Ditto.
15448 * ggc-common.c: Ditto.
15450 * coverage.c: Ditto.
15452 * tree-cfgcleanup.c: Ditto.
15453 * tree-ssa-pre.c: Ditto.
15454 * cfgcleanup.c: Ditto.
15455 * loop-invariant.c: Ditto.
15456 * loop-iv.c: Ditto.
15457 * ipa-prop.c: Ditto.
15458 * print-tree.c: Ditto.
15459 * conflict.c: Ditto.
15460 * ggc-page.c: Ditto.
15461 * sched-deps.c: Ditto.
15462 * regclass.c: Ditto.
15463 * tree-object-size.c: Ditto.
15464 * combine.c: Ditto.
15465 * bb-reorder.c: Ditto.
15466 * resource.c: Ditto.
15467 * var-tracking.c: Ditto.
15468 * cfgloop.c: Ditto.
15469 * df-problems.c: Ditto.
15470 * reg-stack.c: Ditto.
15472 * gccspec.c: Ditto.
15473 * sched-rgn.c: Ditto.
15474 * tree-ssa-structalias.c: Ditto.
15475 * tree-ssa-reassoc.c: Ditto.
15476 * config/darwin-c.c: Ditto.
15477 * config/darwin.c: Ditto.
15478 * config/arm/arm.c: Ditto.
15480 * collect2.c: Ditto.
15481 * reload1.c: Ditto.
15483 2006-01-31 Nicolas Pitre <nico@cam.org>
15485 * arm.md (smaxsi3): Make aware of smax_m1.
15488 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15490 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15492 2006-01-31 Richard Guenther <rguenther@suse.de>
15494 * doc/invoke.texi (-msselibm): Document.
15495 * target.h (expand_library_builtin): New target hook.
15496 * builtins.c (expand_builtin): Use expand_library_builtin.
15497 (default_expand_library_builtin): New function.
15498 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15499 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15500 (link_gcc_math_spec): Declare.
15501 (static_specs): Add link_gcc_math_spec.
15502 * expr.h (default_expand_library_builtin): Declare.
15503 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15504 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15505 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15506 * config/i386/i386.opt (msselibm): New target option.
15507 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15508 (ix86_init_sse_abi_builtins): New function.
15509 (ix86_expand_library_builtin): Likewise.
15510 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15511 (override_options): Handle error conditions wrt -msselibm.
15512 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15513 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15514 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15517 2006-01-31 Richard Guenther <rguenther@suse.de>
15518 Paolo Bonzini <bonzini@gnu.org>
15520 * doc/install.texi (--disable-libgcc-math): Document.
15522 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15524 * expr.h (expand_normal): new inline function.
15525 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15526 * dojump.c: use it.
15527 * dwarf2out.c: use it.
15530 * expmed.c: use it.
15531 * except.c: use it.
15532 * config/sparc/sparc.c: use it.
15533 * config/i386/i386.c: use it.
15534 * config/rs6000/rs6000.c: use it.
15535 * config/arm/arm.c: use it.
15536 * config/mips/mips.c: use it.
15537 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15539 2006-01-30 Roger Sayle <roger@eyesopen.com>
15541 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15542 argv to the appropriate type.
15544 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15546 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15549 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15552 * config/s390/s390.c (struct machine_function): New flag
15553 decomposed_literal_pool_addresses_ok_p.
15554 (s390_reorg): Set it before final stage of literal pool transforms.
15555 (s390_decompose_address): Only accept displacements of the form
15556 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15558 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15560 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15561 the comparison routine return.
15563 2006-01-30 Michael Matz <matz@suse.de>
15565 * global.c (find_reg): Only evict for global regs.
15566 Take n_refs into account and dump more info.
15568 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15571 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15572 (pragma_trap, pragma_nosave_low_regs): Likewise.
15573 (current_function_anonymous_args): Likewise.
15574 (sh_deferred_function_attributes): New variable.
15575 (sh_deferred_function_attributes_tail): Likewise.
15576 (print_operand): For '@', look up trap_exit attribute.
15577 (calc_live_regs): Look up trapa_handler attribute. For trapa
15578 handlers, save/restore fpscr, but don't do any other
15579 interrupt-specific saves.
15580 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15581 Fix check for partially saved registers to check for SHmedia.
15582 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15583 (sh_output_function_epilogue): Don't clear any of the removed
15585 (sh_insert_attributes): Don't check pragma_interrupt.
15586 Insert deferred attributes. Check that interrupt attribute is
15587 present for other attributes that require its presence.
15588 (sh_attribute_table): Add new attributes trapa_handler and
15590 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15591 Don't check for pragma_interrupt. Don't store argument.
15592 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15593 (sh_deferred_function_attributes): Declare.
15594 (sh_deferred_function_attributes_tail): Likewise.
15595 * sh.md (sp_switch_1): Add operand. Change generator caller.
15596 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15597 (*return_i): Don't use when trap_exit attribute is in effect.
15598 (*return_trapa): New insn pattern.
15599 * sh-c.c: New file.
15600 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15601 setting c_target_objs and cxx_target_objs.
15602 * t-sh: Add rule for sh-c.o.
15604 2006-01-30 Richard Guenther <rguenther@suse.de>
15607 * gimplify.c (gimplify_target_expr): Handle easy cases
15608 without creating a temporary.
15610 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15612 * vec.h (safe_grow): Remove duplicated line.
15614 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15617 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15618 (expand_omp): ... here.
15619 (expand_omp_parallel): Only remove barriers for combined
15620 parallel+workshare constructs.
15622 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15626 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15627 * tree.c (build_qualified_type): Chain the new type to the original
15628 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15629 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15630 (build_pointer_type_for_mode): Only return unqualified types.
15631 (build_reference_type_for_mode): Likewise.
15633 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15635 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15636 * Makefile.in (CXX_COMPAT_WARN): Define.
15637 * configure: Regenerate.
15639 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15642 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15645 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15647 * toplev.c: Fix thinko.
15649 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15650 Marcin Dalecki <martin@dalecki.de>
15652 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15653 (push_srcloc): Use XNEW.
15654 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15656 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15658 * df-core.c (df_set_blocks): Deleted all variable.
15660 2006-01-28 Ian Lance Taylor <ian@airs.com>
15662 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15663 cgraph_output_pending_asms.
15665 2006-01-28 Zack Weinberg <zackw@panix.com>
15667 * c.opt: Add -W(no-)overlength-strings.
15668 * doc/invoke.texi: Document it.
15669 * c-opts.c (c_common_handle_option): -pedantic implies
15670 -Woverlength-strings, if not explicitly disabled already.
15671 (c_common_post_options): -Woverlength-strings defaults to off, and
15672 is always off for C++.
15673 * c-common.c (fix_string_type): Issue warning about strings longer
15674 than is portable only if warn_overlength_strings. Rearrange code
15675 a little for clarity.
15676 * configure.in: Check for -Wno-overlength-strings as well before
15677 enabling -pedantic in stage 1.
15678 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15679 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15681 * genconditions.c (write_header, write_one_condition)
15682 (write_conditions, write_writer): Consolidate very long strings
15683 that were broken up to fit in C89 portable limit. Don't use
15684 printf when fputs will do.
15686 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15688 * combine.c (simplify_comparison <AND>): Check
15689 TRULY_NOOP_TRUNCATION before start using a subreg.
15691 * config/mips/mips.md (*branch_zero<mode>,
15692 *branch_zero<mode>_inverted, *branch_equality<mode>,
15693 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15694 Remove mode check from comparisons.
15696 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15698 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15700 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15702 * expmed.c (const_mult_add_overflow_p): Remove.
15703 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15705 * recog.c (validate_replace_rtx_subexp): Remove.
15706 * recog.h: Remove the prototype for
15707 validate_replace_rtx_subexp.
15709 * integrate.h: Remove the prototype for
15710 copy_decl_for_inlining.
15711 * rtl.h: Remove the prototype for mark_constant_function.
15712 * tree-vectorizer.h: Remove the prototype for
15713 vect_strip_conversion.
15715 * modulo-sched.c (create_partial_schedule,
15716 free_partial_schedule, reset_partial_schedule): Make them
15719 * hooks.c (hook_bool_rtx_int_false): Remove.
15720 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15722 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15724 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15725 and -mlong-double-128 are incompatible.
15726 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15727 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15728 (TARGET_LIBGCC2_CFLAGS): Define.
15729 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15730 (TARGET_LIBGCC2_CFLAGS): Same.
15731 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15733 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15736 * c-typeck.c (build_binary_op): Perform implicit casts of
15737 operands before shortening them.
15739 * cfgloopmanip.c (split_loop_bb): Remove.
15740 * cfgloop.h: Remove the prototype for split_loop_bb.
15742 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15743 * cfgloop.h: Remove the prototype for
15744 flow_loop_outside_edge_p.
15746 * emit-rtl.c (init_virtual_regs): Make it static.
15747 * function.h: Remove the prototype for init_virtual_regs.
15749 * recog.c (peephole2_optimize): Make it static.
15750 * recog.h: Remove the prototype for peephole2_optimize.
15752 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15754 * df-scan.c (df_record_entry_block_defs): Check if
15755 INCOMING_RETURN_ADDR_RTX is defined.
15757 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15758 Kenneth Zadeck <zadeck@naturalbridge.com>
15760 PR rtl-optimization/24762
15761 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15762 * targhooks.c (hook_void_bitmap): New hook prototype.
15763 * targhoohs.h (hook_void_bitmap): Ditto.
15764 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15765 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15766 * target.h (live_on_entry): New function pointer.
15767 * df-scan.c (df_all_hard_regs): Removed.
15768 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15769 (df_scan_free_internal): Added df->entry_block_defs.
15770 (df_scan_alloc): Ditto.
15771 (df_scan_dump): Ditto.
15772 (df_uses_record): Plumbed flag field properly thru calls.
15773 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15774 This part fixes PR24762.
15775 (df_bb_refs_record): Added code to make the frame and arg
15776 pointers live in EH blocks.
15777 (df_refs_record): Added call to df_record_entry_block_defs.
15778 (df_record_entry_block_defs): New function.
15779 * df-core.c: Added comments to describe new artifical defs.
15780 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15781 (entry_block_defs): New field in struct df.
15782 (df_all_hard_regs): Deleted.
15783 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15784 * df-problems.c (df_ru_bb_local_compute_process_def):
15785 Added code to handle artifical defs in the entry to a function.
15786 (df_ru_bb_local_compute): Ditto.
15787 (df_rd_bb_local_compute_process_def): Ditto.
15788 (df_rd_bb_local_compute): Ditto.
15789 (df_lr_bb_local_compute): Ditto.
15790 (df_ur_bb_local_compute): Ditto.
15791 (df_urec_bb_local_compute): Ditto.
15792 (df_chain_create_bb): Ditto.
15793 (df_ur_local_finalize): Removed entry.
15794 (df_urec_init): Ditto.
15795 (df_urec_local_finalize): Ditto.
15796 (df_ri_bb_compute): Added detection of last use of pseudos.
15797 * Makefile.in (df-scan.o): Updated dependencies.
15798 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15799 * config/mips/mips.c (mips_set_live_on_entry): Added.
15800 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15802 * dce.c (marked_insn_p): Added code to handle artifical defs.
15804 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15806 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15808 (_mm_cvtsi128_si64): Likewise.
15809 (_mm_cvtsd_si64): Likewise.
15810 (_mm_cvttsd_si64): Likewise.
15811 (_mm_cvtsi64_sd): Likewise.
15812 (_mm_cvtsi64_si128): Likewise.
15813 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15814 (_mm_cvtsi64_m64): Likewise.
15815 (_m_to_int64): Likewise.
15816 (_mm_cvtm64_si64): Likewise.
15817 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15818 (_mm_cvttss_si64): Likewise.
15819 (_mm_cvtsi64_ss): Likewise.
15820 (_mm_cvtss_f32): Likewise.
15822 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15824 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15825 for pragma redefine_extname.
15827 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15830 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15831 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15832 -mno-minimal-toc to previous content.
15833 (bispecs): Remove goal.
15834 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15835 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15836 compatibility aliases on powerpc-*-*gnu*.
15837 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15838 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15839 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15840 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15841 (ldblspecs): New goal.
15842 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15843 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15845 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15846 L_sf_to_tf or L_df_to_tf is defined.
15848 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15849 Alan Modra <amodra@bigpond.net.au>
15852 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15853 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15854 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15855 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15856 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15857 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15858 (rs6000_override_options): Initialize rs6000_ieeequad.
15859 Initialize TFmode format to ibm_extended_format if not
15861 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15863 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15864 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15865 (function_arg_advance): IBM long double passed in two FPRs, not
15867 (function_arg): IBM long double passed in FPRs.
15868 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15869 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15870 Only multireg GPR aligned.
15871 (rs6000_init_libfuncs): Enable IBM long double functions if not
15873 (rs6000_generate_compare): Use IBM long double compare if not
15875 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15876 (TARGET_IEEEQUAD): Define.
15877 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15878 not TARGET_IEEEQUAD.
15879 * config/rs6000/rs6000.md: Enable TFmode patterns if
15881 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15882 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15883 and -mlong-double-128 are incompatible.
15884 * doc/invoke.texi (-mabi): Collect options together. Add
15885 ibmlongdouble and ieeelongdouble.
15887 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15889 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15891 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15892 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15893 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15894 * rtl.h (rtunion_def): Remove rt_ptr.
15896 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15897 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15898 * config/i386/winnt.c (i386_pe_mark_dllexport)
15899 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15901 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15903 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15905 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15909 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15910 pthread_key_delete. From John David Anglin. gthrw-ify
15911 pthread_getunique_np only if it it's not a macro. Delete
15913 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15914 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15915 __gthread_objc_condition_signal, __gthread_key_delete): Add
15916 "__attribute__ ((__unused__))" to unused arguments.
15917 (__gthread_recursive_mutex_init_function): Add missing return.
15918 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15919 gthr-posix95.h: Use macro-based approach for name redirection
15920 on targets missing weakref.
15922 2006-01-26 Zack Weinberg <zackw@panix.com>
15924 * genconditions.c (write_header): In generated code, #ifdef out
15925 all includes and fake declarations, except includes of bconfig.h
15926 and system.h, unless GCC_VERSION >= 3001. Do not include
15927 gensupport.h in any case.
15928 (write_conditions): Generate a definition of struct c_test. Add
15929 a comment to the generated #endif.
15930 (write_one_condition): Escape backslashes in string too.
15931 (write_writer): Generated code must escape backslashes and quote
15932 marks (but not newlines) in the strings it writes.
15933 * Makefile.in (build/gencondmd.o): Update dependencies.
15935 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15938 * Makefile.in (insn-automata.o): Add header file dependencies.
15939 * genautomata.c: Add includes.
15941 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15944 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15946 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15948 * configure.ac: Expect target tools paths to be passed from the toplevel
15949 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15951 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15953 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15956 * c.opt (Wpointer-sign): Init to -1.
15957 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15958 OPT_pedantic, to 0 otherwise.
15959 * doc/invoke.texi: Update.
15961 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15963 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15964 constants provided by 80387 instructions in the destination mode.
15966 2006-01-26 Richard Guenther <rguenther@suse.de>
15967 Andrew Pinski <pinskia@physics.uc.edu>
15970 partial PR tree-opt/17064
15971 * tree-ssa-structalias.c (intra_create_variable_infos):
15972 Create heap variables for incoming parameters if
15973 flag_argument_noalias > 1.
15974 (find_what_p_points_to): Look through default defs of
15977 2006-01-26 Jeff Law <law@redhat.com>
15980 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15981 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15982 within the VR_RANGE, use the VR_RANGE as the result, not the
15984 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15985 bounds for the type.
15987 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15989 * tree-ssa-alias.c (maybe_create_global_var): Change
15990 subvar walking to an assertion that we don't have subvar'd variables.
15992 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15995 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15996 Use a new variable, inner. PARM_DECLs are always non-weak.
15998 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16000 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16001 --disable-checking.
16003 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16005 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16007 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16009 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16010 (smax_insn, smin_insn, smax_0, smin_0): New.
16012 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16015 * config/cris/cris.c (cris_order_for_addsi3): New function.
16016 * config/cris/cris-protos.h: Prototype it.
16017 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16018 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16019 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16020 (split for "op.S1 [rx=rx+i],ry (swapped)")
16021 (split for "op(s|u).S1 [rx=rx+i],ry")
16022 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16023 Apply cris_order_for_addsi3 when generating addsi3 insns.
16025 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16027 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16028 (TREE_BLOCK): Add call to EXPR_CHECK.
16030 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16033 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16034 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16035 (dump_omp_clauses): ... here.
16036 (dump_generic_node): Handle OMP_CLAUSE.
16037 * tree.c (omp_clause_num_ops): New.
16038 (omp_clause_code_name): New.
16039 (tree_code_size): Handle OMP_CLAUSE.
16040 (tree_size): Likewise.
16041 (make_node): Document handling of OMP_CLAUSE.
16042 (tree_node_structure): Handle OMP_CLAUSE.
16043 (omp_clause_check_failed): New.
16044 (omp_clause_range_check_failed): New.
16045 (omp_clause_operand_check_failed): New.
16046 (build_omp_clause): New.
16047 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16048 * tree.h (enum omp_clause_code): Declare.
16049 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16050 (OMP_CLAUSE_RANGE_CHECK): Define.
16051 (OMP_CLAUSE_ELT_CHECK): Define.
16052 (omp_clause_check_failed): Declare.
16053 (omp_clause_operand_check_failed): Declare.
16054 (omp_clause_range_check_failed): Declare.
16055 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16056 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16057 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16058 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16059 (OMP_CLAUSE_IF_EXPR): Likewise.
16060 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16061 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16062 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16063 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16064 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16065 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16066 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16067 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16068 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16069 (OMP_CLAUSE_CODE): Define.
16070 (OMP_CLAUSE_SET_CODE): Define.
16071 (OMP_CLAUSE_CODE): Define.
16072 (OMP_CLAUSE_OPERAND): Define.
16073 (struct tree_omp_clause): Declare.
16074 (union tree_node): Add field 'omp_clause'.
16075 * treestruct.def (TS_OMP_CLAUSE): Define.
16076 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16077 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16078 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16079 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16080 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16081 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16082 (OMP_CLAUSE): Define.
16083 * print-tree.c (print_node): Handle OMP_CLAUSE.
16084 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16085 * c-typeck.c: Likewise.
16086 * gimplify.c: Likewise.
16087 * c-omp.c: Likewise.
16088 * tree-nested.c: Likewise.
16089 * tree-inline.c: Likewise.
16090 * c-parser.c: Likewise.
16091 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16094 2006-01-25 Roger Sayle <roger@eyesopen.com>
16096 PR rtl-optimization/25703
16097 * combine.c (try_combine): Handle zero_extract and strict_low_part
16098 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16100 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16102 * global.c: Fix comment typos.
16104 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16107 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16108 Use output_addr_const instead of assemble_name.
16110 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16112 * Makefile.in (sched-vis.o): Update dependencies.
16113 * haifa-sched.c (sched_finish): Clear current_sched_info.
16114 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16115 (dump_flow_info): Call it.
16116 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16118 * basic-block.h (dump_bb_info): Declare.
16119 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16120 option, and apply options only for dump files whose TDF_RTL,
16121 TDF_TREE, or TDF_IPA bits match.
16122 * rtl.h: Declare new functions exported from sched-vis.c.
16123 * sched-vis.c: Enable also if scheduling is not used.
16124 (print_value): Print the mode of registers if not inside scheduling.
16125 (print_insn): Make it work outside the scheduler. Beautify the output
16127 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16129 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16131 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16132 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16133 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16134 depending on the value of CONSTANT_POOL_ADDRESS_P.
16135 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16137 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16138 rather than SYMBOL_REF_DECL.
16139 (rtx_constant_pool): Remove const_rtx_sym_htab.
16140 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16141 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16142 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16143 Remove handling of const_rtx_sym_htab.
16144 (find_pool_constant): Delete.
16145 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16146 rather than find_pool_constant.
16147 (get_pool_constant_for_function): Delete.
16148 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16149 find_pool_constant.
16150 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16151 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16152 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16153 (SYMBOL_REF_CONSTANT): New macro.
16154 (get_pool_constant_for_function): Delete.
16155 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16156 rather than SYMBOL_REF_DECL.
16157 (i386_pe_mark_dllimport): Likewise.
16158 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16159 rather than SYMBOL_REF_DECL.
16160 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16161 (machopic_indirect_call_target): Likewise.
16163 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16165 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16167 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16169 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16171 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16173 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16175 2006-01-24 David Daney <ddaney@avtrex.com>
16178 * configure.ac (enable_tls): New enable option.
16179 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16180 * configure: Regenerate.
16181 * doc/install.texi (--enable-tls): Document new option.
16182 (--disable-tls): Ditto.
16184 2006-01-24 Richard Henderson <rth@redehat.com>
16186 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16187 * alias.c (true_dependence): Respect it.
16188 (canon_true_dependence, write_dependence_p): Likewise.
16189 * builtins.c (get_builtin_sync_mem): Set it.
16191 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16193 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16196 2006-01-24 DJ Delorie <dj@redhat.com>
16198 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16199 for storing constants in single-bit bitfields.
16201 2006-01-25 Ben Elliston <bje@au.ibm.com>
16203 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16205 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16208 * tree-ssa-pre.c (phi_translate): Return NULL
16209 for AGGREGATE_TYPE's.
16211 2006-01-24 Zack Weinberg <zackw@panix.com>
16213 * genautomata.c (process_state_for_insn_equiv_partition):
16214 Use xcalloc for insn_arcs_array.
16215 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16216 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16218 2006-01-24 Richard Henderson <rth@redhat.com>
16220 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16221 update all callers.
16223 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16225 PR rtl-optimization/25890
16226 PR rtl-optimization/25905
16227 * combine.c (expand_compound_operation, expand_field_assignment):
16228 Fail if the bitfield's final position is out of bounds.
16230 2006-01-24 Ian Lance Taylor <ian@airs.com>
16232 PR middle-end/25930
16233 * cgraphunit.c (cgraph_output_in_order): Don't clear
16234 cgraph_asm_nodes until after asm strings have been output.
16236 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16238 * fix-header.c (read_scan_file): Add new parameter imultilib when
16239 calling register_include_chains.
16241 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16243 * omp-low.c: Update documentation.
16245 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16246 Daniel Berlin <dberlin@dberlin.org>
16250 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16251 return from the function.
16253 2006-01-22 Zack Weinberg <zackw@panix.com>
16255 * rtl.def (match_code): Add second argument.
16256 * genpreds.c (write_extract_subexp): New function.
16257 (write_match_code): Add path argument. Use write_extract_subexp.
16258 (write_predicate_expr): Pass path to write_match_code.
16259 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16260 not perform a mode test.
16261 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16262 a subexpression does not constrain the top-level code set.
16263 * read-rtl.c (read_rtx_variadic): New function.
16264 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16265 * doc/md.texi: Document new notation.
16266 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16267 (cmpsi_operand): ... here, using new notation.
16269 2006-01-22 Zack Weinberg <zackw@panix.com>
16271 * varray.c: Remove GENERATOR_FILE #ifdefs.
16273 2006-01-22 Zack Weinberg <zackw@panix.com>
16275 * genautomata.c (output_reserved_units_table): Emit nothing if
16276 description->query_units_num is zero. Remove extra blank line.
16277 (output_cpu_unit_reservation_p): Short circuit
16278 if description->query_units_num is zero.
16280 2006-01-22 Zack Weinberg <zackw@panix.com>
16282 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16283 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16284 nor any of the random handful of variables that used to be necessary
16285 when this program was linked with rtlanal.o. Prune set of forward
16286 function declarations.
16287 (struct attr_desc): Remove static_p field.
16288 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16289 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16290 (attr_string): Do not read the character one past the length of
16292 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16293 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16294 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16295 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16296 (make_automaton_attrs): New.
16297 (main): Do not call into genautomata. Call local gen_bypass
16298 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16299 Remove special case for insn_alts.
16300 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16301 varray.h (leftover from previous change). Prune set of forward
16302 function declarations. Remove state_alts fields from all
16303 structures. Remove state_alts_table from struct automaton.
16304 Make everything except main static. Do not maintain num_dfa_decls.
16305 Do not maintain state_alts fields of various structures.
16306 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16307 (add_arc): Remove state_alts argument. All callers updated.
16308 (output_reserved_units_table): Emit #ifdef here...
16309 (output_tables): ...not here. Don't generate state_alts tables.
16310 (expand_automata): Don't generate attributes.
16311 (write_automata): Don't generate state_alts functions.
16312 (main): New function.
16313 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16314 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16315 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16316 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16317 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16318 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16319 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16320 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16322 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16323 * genattrtab.h: Delete file.
16324 * Makefile.in (OBJS-common): Add insn-automata.o.
16325 (insn-automata.o): New rule.
16326 (simple_generated_c): Add insn-automata.c.
16327 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16328 (genprogmd): Add automata.
16329 (build/genattrtab): Needs no extra objects nor libraries.
16330 (build/genautomata): Needs build/vec.o and -lm.
16332 2006-01-22 Zack Weinberg <zackw@panix.com>
16334 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16335 (output_dfa_max_issue_rate, locked_states_num): Delete.
16336 (struct automaton): Add locked_states field.
16337 (output_dead_lock_vect): Save number of locked states in
16338 automaton->locked_states. If it is zero, don't print anything.
16339 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16340 (output_internal_dead_lock_func): Only test the dead_lock_vect
16341 for automata that have locked states.
16342 (output_statistics): Always print the number of locked states for
16343 each automaton. Calculate total number of locked states here.
16344 (write_automata): Don't call output_dfa_max_issue_rate.
16345 * genattrtab.c: Define length_unit_log as a const variable.
16346 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16347 max_insn_queue_index const.
16348 * final.c (length_unit_log): Declare const.
16349 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16351 2006-01-22 Zack Weinberg <zackw@panix.com>
16353 * genautomata.c: Include vec.h, not varray.h.
16354 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16355 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16356 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16357 VEC_* macros operating on appropriately typed vectors, or to
16358 malloced arrays when the size is known in advance. Const-ify
16359 many char* variables and function arguments. No functional changes.
16360 * Makefile.in (build/varray.o): Delete rule.
16361 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16362 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16364 2006-01-22 Zack Weinberg <zackw@panix.com>
16366 * gensupport.c: Define get_insn_name and record_insn_name here.
16367 (read_md_rtx): Call record_insn_name as appropriate.
16368 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16369 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16370 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16372 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16373 (BUILD_VARRAY): Delete.
16374 (genprognormal): Rename genprogmd. Fold in all programs from
16375 genprognoprint; also attrtab.
16376 (build/genattrtab): Just mention genautomata.o and varray.o.
16377 Reorganize a bit, add comments to make the categories clearer.
16379 2006-01-22 Zack Weinberg <zackw@panix.com>
16381 * genconditions.c (condition_table, add_condition): Delete.
16382 (write_conditions): Don't emit n_insn_conditions nor
16383 insn_elision_unavailable. Issue the gcc version #ifdef here,
16384 inside the table, with no #else clause ...
16385 (write_header): ...not here.
16386 (write_writer): New function.
16387 (main): Don't initialize condition_table. Use add_c_test.
16389 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16390 files on the command line.
16391 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16392 Return -1 if there is no entry in the table, don't abort.
16393 (add_c_test, traverse_c_tests): New functions.
16394 * gensupport.h (insn_elision_unavailable, insn_conditions)
16395 (n_insn_conditions): Delete declarations.
16396 (add_c_test, traverse_c_tests): Declare.
16397 * read-rtl.c: Include gensupport.h.
16398 (read_conditions): New function.
16399 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16400 (read_rtx_1): If we get EOF when we were looking for an initial
16401 open paren, return 0. Call read_conditions when appropriate.
16402 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16403 dummy-conditions.o. Eliminate references to insn-conditions.o,
16404 or change them to build/gencondmd.o, as appropriate. Remove
16405 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16406 from $(simple_generated_c). For all files remaining in those
16407 two lists, add insn-conditions.md to the generator command line.
16408 Give insn-constants.h/s-constants their own rules. Add rules
16409 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16410 (build/read-rtl.o): Depend on gensupport.h.
16411 (genprognormal): Include preds.
16412 (genprogearly): Rename genprognoprint; only difference is now that
16413 they don't link with $(BUILD_PRINT).
16414 * dummy-conditions.c: Delete.
16416 2006-01-22 Zack Weinberg <zackw@panix.com>
16418 * genextract.c: Don't include insn-config.h. Do include vec.h.
16419 Declare vectors of int, char, and locstr.
16420 (locstr): New typedef.
16421 (struct extraction): Make all array fields into bare pointers.
16422 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16423 (insn_code_number): Delete.
16424 (accum_extract): New struct.
16425 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16426 (gen_insn): Take insn_code_number as an argument. Use an
16427 accum_extract structure instead of loading data directly into
16428 a struct extraction, and having to know how big it might get.
16429 (walk_rtx): Operate entirely on an accum_extract structure.
16430 (print_path): Avoid unnecessary use of printf.
16431 (print_header): New function, split out of main. Distinguish
16432 more carefully between an unrecognizable insn and an insn that
16433 has the code number of a define_expand.
16434 (main): Pass insn_code_number to gen_insn. Call print_header
16435 only after parsing. Avoid unnecessary use of printf.
16436 * Makefile.in (build/vec.o): New rule.
16437 (build/genextract): Depend on build/vec.o.
16438 (build/genextract.o): Don't depend on insn-config.h.
16440 2006-01-22 Zack Weinberg <zackw@panix.com>
16442 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16443 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16444 practical. Eliminate per-generator-program link rules.
16446 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16448 PR middle-end/24437
16449 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16450 with a call expr to ...
16451 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16453 2006-01-23 Richard Guenther <rguenther@suse.de>
16455 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16456 before make_edge with conditional EDGE_TRUE_VALUE.
16458 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16459 Jan Hubicka <jh@suse.cz>
16460 Richard Guenther <rguenther@suse.de>
16462 PR rtl-optimization/25654
16463 * cfgexpand.c (aggregate_contains_union_type): New function.
16464 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16465 for structure variables that contain a union type.
16467 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16469 * gengtype.c (new_structure): Return the structure.
16470 (create_option): Add an extra "next" argument.
16471 (create_field): New function.
16472 (adjust_field_rtx_def): Use create_option and create_field.
16473 Remove a now-unnecessary call to find_structure.
16474 (adjust_field_tree_def): Likewise.
16475 (note_yacc_type): Remove an unnecessary call to find_structure.
16476 * gengtype.h (new_structure): Return the structure.
16477 (create_option): Add an extra argument.
16478 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16479 (option): Adjust calls to create_option.
16481 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16483 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16485 2006-01-22 Paul Brook <paul@codesourcery.com>
16486 Peter Barada <peter@the-baradas.com>
16488 * config/m68k/m68k.md: Add Coldfire FPU support.
16489 Define FP mode macro and associated attributes.
16490 Use it for float mode patterns.
16491 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16492 (LIBCALL_VALUE): Use m68k_libcall_value.
16493 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16494 (m68k_function_value): Ditto.
16495 (emit_move_sequence): Ditto.
16496 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16497 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16498 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16499 (MULTILIB_EXCEPTIONS): Ditto.
16500 * config/m68k/m68k.opt: Add mcfv4e.
16501 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16502 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16503 (m68k_output_function_prologue): Save ColdFire FPU registers.
16504 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16505 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16506 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16507 ColdFire FPU registers.
16508 (m68k_libcall_value, m68k_function_value): New functions.
16509 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16510 (LIBCALL_VALUE): Use m68k_libcall_value.
16511 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16512 (MASK_COLDFIRE): Add MASK_CFV4E.
16513 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16514 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16515 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16516 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16517 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16518 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16519 * doc/invoke.tex: Document -mcfv4e on m68k.
16521 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16523 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16526 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16529 * c-opts.c (c_common_handle_option): Don't include
16530 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16531 * doc/invoke.texi (C++ Dialect Options): Document that
16532 -Wnon-virtual-dtor is no longer included in -Wall.
16534 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16536 * gcov.c (print_version), gcov-dump.c (print_version),
16537 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16540 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16542 * df-scan.c (problem_SCAN): Added NULL reset function.
16543 (df_scan_reset_blocks): Added code to call reset block function
16544 (df_bb_refs_delete) Fixed comment.
16545 (df_insn_refs_delete): Made tolerant of deleting non existent info
16546 for dataflow problems that need to be reset.
16547 * df-core.c (df_set_blocks): Ditto.
16548 * df.h (struct df_problem): Added reset_fun.
16549 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16550 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16551 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16552 functions to clear out all references to def-use or use-def chains.
16554 2006-01-21 Ben Elliston <bje@au.ibm.com>
16556 * varasm.c (assemble_real): Initialise data array.
16558 2006-01-20 Paul Brook <paul@codesourcery.com>
16560 Merge from csl-arm-branch.
16561 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16562 * config/arm/arm.md (movdi): Force operands[1] to a register
16563 if we have a non-register source.
16564 (*arm_movdi, *movdf_soft_insn): Require that one of the
16565 operands be a register.
16566 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16567 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16569 2006-01-20 DJ Delorie <dj@redhat.com>
16571 * varasm.c (initializer_constant_valid_p): Allow pointers
16572 initialized from integer constants of lesser precision.
16573 (output_constant): Allow non-int-sized pointer modes to be
16574 initialized from integer constants.
16576 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16579 * cppdefault.h (struct default_include): Add multilib flag.
16580 * cppdefault.c (cpp_include_defaults): Set it.
16581 * c.opt (-imultilib): New option.
16582 * c-opts.c (imultilib): New.
16583 (c_common_handle_option): Handle -imultilib.
16584 (c_common_post_options): Likewise.
16585 * c-incpath.c (add_standard_paths, register_include_chains):
16587 * c-incpath.h (register_include_chains): Add extra parameter.
16588 * gcc.c (do_spec_1): Generate -imultilib option.
16589 (The Specs Language): Update %I description.
16590 (process_command): Update copyright notice.
16591 * doc/cppopts.texi (-imultilib): Document.
16592 * doc/invoke.texi (-imultilib): Include in option summary.
16593 (%I): Update specs documentation.
16595 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16597 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16599 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16601 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16604 2006-01-20 Richard Guenther <rguenther@suse.de>
16605 Steven Bosscher <stevenb.gcc@gmail.com>
16607 PR rtl-optimization/24626
16608 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16609 EDGE_TRUE_VALUE if in RTL mode.
16612 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16613 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16615 2006-01-20 Dirk Mueller <dmueller@suse.com>
16618 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16619 instead of a special NOP marker.
16620 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16621 NOP marker handling.
16622 * c-common.h (empty_body_warning): Add forward declaration.
16623 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16624 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16626 2006-01-20 Paul Brook <paul@codesourcery.com>
16628 * Makefile.in (lang_checks): Keep going if mkdir fails.
16630 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16632 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16633 be able to clean out basic block when not necessary.
16634 (df_scan_free): Fixed to properly delete information if df is
16635 unused before calling df_finish.
16636 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16637 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16639 (df_bb_refs_delete): New function.
16640 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16641 * df-core.c (df_set_blocks): Added code to properly clean out
16642 unused blocks if they are not part of the blocks to consider.
16643 Added additional null check.
16644 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16645 be able to clean out basic block when not necessary
16646 * df.h (df_free_bb_function): Ditto.
16647 (df_bb_refs_delete): New function.
16648 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16649 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16650 basic block parameter to be able to clean out basic block when not
16652 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16653 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16654 Fixed to properly delete information if df is unused before
16657 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16659 PR rtl-optimization/25799
16660 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16661 Corrected confluence operator to remove bits from op2 before oring
16662 with op1 rather than removing bits from op1.
16663 (df_ru_transfer_function): Corrected test on wrong bitmap which
16664 caused infinite loop. Both of these problems were introduced in
16665 the dataflow rewrite.
16667 2006-01-19 DJ Delorie <dj@redhat.com>
16669 * reload1.c (find_reload_regs): Note the details of reload
16670 failures in the dump file.
16671 (spill_failure): Likewise.
16673 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16675 * loop-iv.c: Include df.h and hashtab.h.
16676 (enum iv_grd_result): New enum.
16677 (DF_REF_IV, DF_REF_IV_SET): New macros.
16678 (struct biv_entry): New.
16679 (df, bivs): New global variables.
16680 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16681 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16683 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16684 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16685 analyzed_for_bivness_p, record_biv): New functions.
16686 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16687 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16688 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16690 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16692 (iv_number_of_iterations): Use new interface to iv analysis.
16693 * loop-unroll.c: Do not include varray.h.
16694 (analyze_iv_to_split_insn): Use new interface to iv
16696 * loop-unswitch.c (may_unswitch_on): Ditto.
16697 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16699 (df_bb_modify): Realloc tables to the new index.
16700 (df_find_use): New function.
16701 * df.h (df_find_use): Declare.
16702 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16704 * cfgloop.h (struct rtx_iv): Remove analysed field.
16705 (iv_get_reaching_def): Removed.
16706 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16707 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16708 (loop-iv.o): Add df.h and hashtab.h dependency.
16709 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16711 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16714 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16716 (__floatundisf, __floatundidf): Likewise.
16717 * libgcc2.h (IS_IBM_EXTENDED): Define.
16719 2006-01-19 DJ Delorie <dj@redhat.com>
16721 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16723 2006-01-19 Paul Brook <paul@codesourcery.com>
16725 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16726 as nothrow when unwinding tables are disabled.
16728 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16731 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16732 of bit-field" when in system header.
16734 2006-01-19 DJ Delorie <dj@redhat.com>
16736 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16737 the 16 bit shift limit of the m16c.
16739 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16742 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16743 * config/i386/i386.c (output_set_got): Output the label if we have one
16744 for the TARGET_DEEP_BRANCH_PREDICTION case.
16746 2006-01-19 Jan Hubicka <jh@suse.cz>
16747 H.J. Lu <hongjiu.lu@intel.com>
16748 Evandro Menezes <evandro.menezes@amd.com>
16750 * invoke.texi (generic): Document
16752 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16753 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16754 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16755 (x86_use_incdec, x86_pad_returns): New variables
16756 (TARGET_CPU_DEFAULT_generic): New constant
16757 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16758 (enum processor_type): Add generic32 and generic64.
16759 * i386.md (cpu attribute): Add generic32/generic64
16760 (movhi splitter): Behave sanely when both partial_reg_dependency and
16761 partial_reg_stall are set.
16762 (K8 splitters): Enable for generic as well.
16763 * predicates.md (incdec_operand): Use TARGET_INCDEC
16764 (aligned_operand): Avoid memory mismatch stalls.
16765 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16766 * ppro.md: Enable for generic32
16767 * i386.c (generic64_cost, generic32_cost): New.
16768 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16769 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16770 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16771 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16772 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16773 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16774 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16775 x86_accumulate_outgoing_args, x86_prologue_using_move,
16776 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16777 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16778 Enable for generic.
16779 (x86_use_incdec, x86_pad_returns): New.
16780 (override_options): Add generic32 and generic64, translate "generic"
16781 to generic32/generic64 and "i686" to "generic32", refuse
16782 "generic32"/"generic64" as arch target.
16783 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16784 (ix86_reorg): Honor PAD_RETURNS.
16786 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16788 * tree-pretty-print.c (dump_generic_node): Handle
16789 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16790 * cgraph.c (cgraph_expand_queue): Rename from
16791 cgraph_analyze_queue. Update all users.
16792 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16793 cgraph_expand_queue.
16794 (cgraph_expand_all_functions): Likewise.
16795 (cgraph_finalize_pending_functions): Remove. Update callers.
16797 * tree.h (OMP_DIRECTIVE_P): Define.
16798 (OMP_PARALLEL_FN): Define.
16799 (OMP_PARALLEL_DATA_ARG): Define.
16800 (OMP_SECTIONS_SECTIONS): Define.
16801 * tree-pass.h (pass_expand_omp): Declare.
16802 * omp-low.c (struct omp_region): Declare.
16803 (struct omp_context): Remove fields 'parallel_type',
16804 'parallel_start_ix' and 'parallel_start_additional_args'.
16806 (struct omp_for_data): Rename from struct expand_omp_for_data.
16807 (omp_regions): New static variable.
16808 (root_omp_region): New static variable.
16809 (find_omp_clause): Make static.
16810 (is_in_combined_parallel_ctx): Remove.
16811 (is_combined_parallel): New.
16812 (extract_omp_for_data): Move earlier in the file.
16813 (workshare_safe_to_combine_p): New.
16814 (get_ws_args_for): New.
16815 (determine_parallel_type): Move earlier in the file.
16816 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16818 (omp_copy_decl): Likewise.
16819 (create_omp_child_function): Likewise.
16820 (lookup_omp_region): New.
16821 (dump_omp_region): New.
16822 (debug_omp_region): New.
16823 (debug_all_omp_regions): New.
16824 (new_omp_region): New.
16825 (scan_omp_parallel): If parallel_nesting_level > 1, the
16826 directive is nested within another parallel directive.
16827 Set OMP_PARALLEL_FN.
16828 (scan_omp_for): Do not try to handle combined parallel+for
16830 Remove FIXME comment.
16831 (scan_omp_nested): Remove.
16832 (scan_omp_1): Do not call scan_omp_nested when
16833 parallel_nesting_level is > 1.
16834 Do not change the DECL_CONTEXT of local variables found.
16835 (lookup_decl_in_outer_ctx): New.
16836 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16837 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16838 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16839 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16840 If CTX is nested, lookup VAR in the outer context when
16841 building copy assignment.
16842 (lower_send_clauses): Rename from expand_send_clauses.
16843 If CTX is nested, lookup VAR in the outer context when
16844 building copy assignments.
16845 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16846 If CTX is nested, lookup VAR in the outer context when
16847 building copy assignments.
16848 (expand_parallel_call): Rename from build_parallel_call.
16849 Handle combined parallel+workshare cases.
16850 Re-implement to emit code into the CFG.
16852 (expand_omp_parallel): Re-implement to emit code into the CFG.
16853 Call move_sese_region_to_fn to outline the sub-graph
16854 containing the parallel region.
16855 (expand_omp_for_1): Remove.
16856 (expand_omp_for_generic): Re-implement to emit code into the
16858 (expand_omp_for_static_nochunk): Likewise.
16859 (expand_omp_for_static_chunk): Likewise.
16860 (expand_omp_for): Likewise.
16861 (expand_omp_sections): Likewise.
16862 (remove_exit_barriers): New.
16863 (expand_omp_synch): New.
16865 (build_omp_regions_1): New.
16866 (build_omp_regions): New.
16867 (execute_expand_omp): New.
16868 (gate_expand_omp): New.
16869 (pass_expand_omp): Define.
16870 (lower_omp_sections): Rename from expand_omp_sections.
16871 Set OMP_SECTIONS_SECTIONS.
16872 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16873 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16874 (lower_omp_single): Rename from expand_omp_simple.
16875 (lower_omp_master): Rename from expand_omp_master.
16876 (lower_omp_ordered): Rename from expand_omp_ordered.
16877 (lower_omp_critical): Rename from expand_omp_critical.
16878 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16879 (lower_omp_for): Re-implement.
16880 (lower_omp_parallel): Re-implement.
16881 (lower_regimplify): Rename from expand_regimplify.
16882 (lower_omp_1): Rename from expand_omp_1.
16883 If there are syntax errors in the program, replace every
16884 OpenMP directive with NOP.
16885 Call lower_omp_* instead of expand_omp_*.
16886 (lower_omp): Rename from expand_omp.
16888 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16889 * tree-gimple.h (enum omp_parallel_type): Remove.
16890 (gimple_boolify): Declare extern.
16891 (find_omp_clause, determine_parallel_type): Remove.
16893 * gimple-low.c (lower_omp_directive): New.
16894 (lower_stmt): Call it.
16895 (record_vars_into): Move from ...
16896 (record_vars): ... here.
16897 Call record_vars_into with current_function_decl.
16899 * gimplify.c (struct gimplify_ctx): Remove fields
16900 combined_pre_p and combined_ctxp. Update users.
16901 (get_formal_tmp_var): Add documentation.
16902 (gimple_boolify): Make extern.
16903 (gimplify_expr_in_ctx): Remove. Update callers.
16904 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16905 will always be a BIND_EXPR.
16906 (gimplify_expr): Handle OMP_RETURN_EXPR.
16907 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16908 (OMP_PARALLEL): Add 3 operands.
16909 (OMP_SECTIONS): Add 1 operand.
16910 (OMP_RETURN_EXPR): Define.
16912 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16913 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16914 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16915 creating a circular free list.
16916 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16918 * tree-flow.h (move_sese_region_to_fn): Declare.
16919 (record_vars_into): Declare.
16920 * tree-cfg.c (make_omp_sections_edges): New.
16921 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16922 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16923 OMP_SECTIONS and OMP_SECTION.
16924 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16925 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16926 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16927 (gather_blocks_in_sese_region): New.
16928 (struct move_stmt_d): Declare.
16929 (move_stmt_r): New.
16930 (move_block_to_fn): New.
16931 (move_sese_region_to_fn): New.
16933 * passes.c (init_optimization_passes): Schedule
16934 pass_expand_omp after pass_init_datastructures.
16936 * tree-ssa-operands.c (get_expr_operands): Handle
16937 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16938 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16940 2006-01-19 Jeff Law <law@redhat.com>
16942 * tree-vrp.c (extract_range_from_assert): Refine the result range
16943 if the variable referenced by the ASSERT_EXPR has a range and
16944 either the tentative result range or the previous range is a
16947 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16949 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16951 2006-01-19 Jan Hubicka <jh@suse.cz>
16953 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16955 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16957 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16958 (expand_compound_operation, expand_field_assignment): Fail if the
16959 bit lengths of an extract operation are out of range.
16960 (make_extraction): Compute wanted_inner_mode based on the position
16961 and length of the extraction. Make it extraction_mode for non-constant
16962 positions, and do not modify offset in that case. When generating a
16963 new MEM, use a mode that can hold the extraction while keeping correct
16964 alignment. Remove code that supported MEMs wrapped by USEs.
16965 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16967 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16969 * config/s390/s390.md ("Y", "y"): New mode attribute.
16970 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16971 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16972 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16973 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16974 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16975 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16976 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16977 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16978 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16979 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16980 "addsi3", "subsi3"): Insn patterns removed.
16981 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16982 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16983 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16984 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16985 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16986 "*sub<mode>3_cconly2"): New insn patterns.
16987 ("addsi3", "subsi3"): New expanders.
16989 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16991 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16992 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16993 existing STMT_VINFO_VECTYPE if available.
16994 (vect_mark_relevant): Add special handling for stmts that are
16995 marked as STMT_VINFO_IN_PATTERN_P.
16996 (vect_analyze_loop): Call vect_pattern_recog.
16997 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16998 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17000 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17001 (vect_recog_func_ptr): New function-pointer type.
17002 * tree-vect-patterns.c: New file.
17003 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17004 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17005 (vect_pattern_recog_1): New functions.
17006 (vect_pattern_recog_funcs): New array of function pointers.
17008 * tree-vectorizer.h (ternary_op): New enum value.
17009 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17010 declaration. Revised documentation. Removed redundant dump prints.
17011 Removed redundant argument. Added support for reduction patterns.
17012 (vectorizable_reduction): Added support for reduction patterns.
17013 (vect_transform_stmt): Added support for patterns.
17015 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17016 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17017 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17018 (expand_widen_pattern_expr): New function.
17019 (init_optabs): Initialize new optabs udot_prod_optab,
17021 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17022 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17023 (expand_widen_pattern_expr): New function declaration.
17024 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17026 * tree-inline.c (estimate_num_insns_1): Added cases for new
17027 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17028 * tree-pretty-print.c (dump_generic_node): Likewise.
17029 (op_prio): Likewise.
17030 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17031 * tree-ssa-operands.c (get_expr_operands): Added case for
17033 * tree-vect-patterns.c (widened_name_p): New function.
17034 (vect_recog_dot_prod_pattern): Added function implementation.
17035 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17036 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17037 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17038 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17040 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17041 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17042 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17043 (init_optabs): Initialize new optabs widen_ssum_optab,
17045 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17046 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17047 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17048 use instead of type of def.
17049 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17050 function implementation.
17051 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17052 widen_ssumv8hi): New.
17054 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17057 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17060 * c-decl.c (add_flexible_array_elts_to_size): New function.
17061 (finish_decl): Use it.
17063 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17065 * diagnostic.h: Include options.h.
17066 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17067 dependancies for diagnostic.h.
17068 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17070 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17072 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17073 (ssa_ro_call_cache_valid): Ditto.
17074 * tree-ssa-alias.c (sort_tags_by_id): New function.
17075 (init_transitive_clobber_worklist): Ditto.
17076 (add_to_worklist): Ditto.
17077 (mark_aliases_call_clobbered): Ditto.
17078 (compute_tag_properties): Ditto.
17079 (set_initial_properties): Ditto.
17080 (compute_call_clobbered): Ditto.
17081 (compute_may_aliases): Call compute_call_clobbered and grouping.
17082 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17083 (compute_flow_insensitive_aliasing): Grouping now happens in our
17085 (setup_pointers_and_addressables): Remove clobbering related code.
17086 (add_may_alias): Ditto.
17087 (replace_may_alias): Ditto.
17088 (get_nmt_for): Ditto.
17089 (create_global_var):
17090 (is_escape_site): Return an escape_type enumeration.
17091 * tree-flow-inline.h (is_call_clobbered): Global var does not
17092 imply call clobbered.
17093 (mark_call_clobbered): Take a reason for marking this. Remove
17094 marking of globalness, and cache invalidation.
17095 (clear_call_clobbered): Remove cache invalidation code.
17096 * tree-dfa.c (dump_variable): If details is on, dump the reason
17098 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17100 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17101 (struct var_ann_d): Ditto.
17102 (enum escape_type): New.
17103 (mark_call_clobbered): Adjust prototype.
17104 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17105 are never call clobbered.
17106 Record reasons for escaping.
17107 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17108 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17109 (ssa_ro_call_cache_valid): Ditto.
17110 (clobbered_v_may_defs): Ditto.
17111 (clobbered_vuses): Ditto.
17112 (ro_call_vuses): Ditto.
17113 (clobber_stats): New.
17114 (init_ssa_operands): Zero out clobber stats.
17115 (fini_ssa_operands): Print out clobber stats.
17116 (get_call_expr_operands): Pass callee fndecl to
17117 add_call_read_ops).
17118 (add_call_clobber_ops): Remove use of cache.
17119 Add use of PURE_CONST information.
17120 (add_call_read_ops): Remove use of cache.
17121 Add use of static not_read information.
17123 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17125 Introduce TLS descriptors for i386 and x86_64.
17126 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17127 (TARGET_ANY_GNU_TLS): New macro.
17128 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17129 (struct machine_function): Add tls_descriptor_call_expanded_p.
17130 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17131 (ix86_current_function_calls_tls_descriptor): Likewise.
17132 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17133 (override_options): Introduce gnu2 tls dialect.
17134 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17136 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17138 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17139 (ix86_init_machine_status): Initialize new field.
17140 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17141 (ix86_tls_module_base): New.
17142 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17143 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17144 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17145 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17146 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17147 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17148 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17149 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17150 * config/i386/predicates.md (tls_modbase_operand): New.
17151 (tp_or_register_operand): New.
17153 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17155 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17156 (look_for_address_of): Ditto.
17157 (ipa_init): Walk the function decls.
17158 (static_execute): Don't set readonly on FUNCTION_DECL's.
17160 2006-01-18 Roger Sayle <roger@eyesopen.com>
17162 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17163 for shifts where the source and destination registers are different.
17165 2006-01-18 Paul Brook <paul@codesourcery.com>
17167 Merge from csl-arm-branch.
17168 2005-03-14 Julian Brown <julian@codesourcery.com>
17169 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17170 (aeabi_llsl): Likewise.
17171 (ashrdi3): Likewise.
17172 (aeabi_lasr): Likewise.
17173 (lshrdi3): Likewise.
17174 (aeabi_llsr): Likewise.
17175 2005-03-10 Julian Brown <julian@codesourcery.com>
17176 * config.gcc: Disable shared libgcc for SymbianOS.
17177 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17179 2006-01-18 DJ Delorie <dj@redhat.com>
17181 * c-pragma.c (handle_pragma_diagnostic): New.
17182 (init_pragma): Register it.
17183 * doc/extend.texi: Document it.
17185 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17186 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17187 (diagnostic_context): Add classify_diagnostic[].
17188 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17189 as errors if they're overridden to DK_WARNING.
17190 (diagnostic_initialize): Initialize classify_diagnostic[].
17191 (diagnostic_set_kind_override): New.
17192 (diagnostic_report_diagnostic): Check for kind changes.
17193 * opts.c (common_handle_option): Take lang_mask. Update callers.
17194 Handle OPT_Werror_.
17195 * common.opt (Werror=): New.
17196 * doc/invoke.texi: Document -Werror=*
17198 2006-01-18 Jeff Law <law@redhat.com>
17200 * tree-vrp.c (test_for_singularity): Correct test for new
17201 min limit. Use operand_equal_p rather than pointer equality
17202 for testing if new min/max values are equal.
17204 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17205 using range information until after propagation and folding.
17207 2006-01-18 Richard Henderson <rth@redhat.com>
17208 Aldy Hernandez <aldyh@redhat.com>
17209 Jakub Jelinek <jakub@redhat.com>
17210 Diego Novillo <dnovillo@redhat.com>
17212 * omp-low.c: New file.
17213 * c-omp.c: New file.
17215 2006-01-18 Richard Henderson <rth@redhat.com>
17216 Jakub Jelinek <jakub@redhat.com>
17217 Diego Novillo <dnovillo@redhat.com>
17219 * doc/invoke.texi: Document -fopenmp.
17220 * tree-dump.h (debug_function): Declare.
17221 * hooks.c (hook_bool_tree_bool_false): New function.
17222 (hook_tree_tree_null): Remove.
17223 (hook_tree_tree_tree_null): New.
17224 * hooks.h: Update to match.
17225 * tree-pretty-print.c (debug_tree_chain): New.
17226 (print_generic_expr): Handle TDF_CHAIN.
17227 (dump_generic_node): Handle BLOCK.
17228 Do not abort with incomplete SWITCH_EXPRs.
17229 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17230 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17231 print space after directive name.
17232 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17233 Handle OMP_MASTER and OMP_ORDERED.
17234 Handle printing of OMP_BODY just in one place, goto
17235 dump_omp_body in the rest of OMP_* nodes that have
17237 Don't handle clause nodes here. Update omp statements to
17238 use dump_omp_clauses.
17239 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17240 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17241 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17242 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17243 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17244 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17245 Adjust output for GOMP_PARALLEL.
17246 (dump_omp_clauses): New.
17247 (print_declaration): Dump DECL_VALUE_EXPR.
17248 (op_symbol_1): Split out of op_symbol.
17249 (dumping_stmts): Remove. Update all users.
17250 * cgraph.c (cgraph_analyze_queue): New.
17251 (cgraph_add_new_function): New.
17252 * cgraph.h (cgraph_analyze_queue): Declare.
17253 (cgraph_add_new_function): Declare.
17254 (cgraph_lower_function): Remove.
17255 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17256 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17257 and TYPE_P nodes in its default clause.
17258 (empty_body_p): New.
17259 (tree_range_check_failed): New.
17260 (build5_stat): New.
17261 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17262 OMP_CLAUSE_REDUCTION_MERGE,
17263 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17264 OMP_CLAUSE_PRIVATE_DEBUG,
17265 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17266 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17267 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17268 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17269 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17270 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17271 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17272 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17273 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17274 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17275 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17276 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17277 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17278 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17279 (TREE_RANGE_CHECK): New.
17280 (empty_body_p): Declare.
17281 (enum omp_clause_default_kind): New.
17282 (build_string_literal): Declare.
17283 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17284 (build5_stat, build5): Declare.
17285 * tree-pass.h (TDF_CHAIN): Define.
17286 * tree-pass.h (PROP_gimple_lomp): Define.
17287 (pass_lower_omp): Declare.
17288 * diagnostic.h (debug_tree_chain): Declare.
17289 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17291 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17292 * builtins.c (build_string_literal): Make extern.
17293 * gcc.c (include_spec_function): New.
17294 (static_spec_functions): Add it.
17295 (main): Move load of libgomp.spec ...
17296 (LINK_COMMAND_SPEC): ... here.
17297 (link_gomp_spec): New.
17298 (static_specs): Include it.
17299 (LINK_COMMAND_SPEC): Add link_gomp.
17300 (GOMP_SELF_SPECS): New.
17301 (driver_self_specs): Include it.
17302 (switch_matches): Don't mark inline.
17303 (main): Load libgomp.spec.
17304 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17305 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17306 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17307 * tree-gimple.h (enum omp_parallel): Declare.
17308 (determine_parallel_type): Declare.
17309 (omp_firstprivatize_variable): Declare.
17310 (omp_reduction_init): Declare.
17311 (diagnose_omp_structured_block_errors): Declare.
17312 (struct walk_stmt_info): Add want_return_expr.
17313 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17314 (find_omp_clause): Declare.
17315 (insert_field_into_struct): Declare.
17316 (struct walk_stmt_info): Move from tree-nested.c
17317 (walk_stmts): Declare.
17318 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17320 * cgraphunit.c (cgraph_lower_function): Make static.
17321 (cgraph_finalize_pending_functions): New.
17322 (cgraph_finalize_function): Call it.
17323 (cgraph_finalize_compilation_unit): Likewise.
17324 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17325 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17326 (BT_FN_UINT_UINT): New.
17327 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17328 DEF_FUNCTION_TYPE_VAR_4): Document.
17329 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17330 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17331 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17332 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17333 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17334 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17335 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17336 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17337 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17338 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17339 into separate files.
17340 (DEF_GOMP_BUILTIN): New.
17341 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17342 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17343 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17344 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17345 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17346 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17347 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17348 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17349 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17350 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17351 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17352 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17353 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17354 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17355 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17356 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17357 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17358 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17359 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17360 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17361 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17362 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17363 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17364 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17365 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17366 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17367 * sync-builtins.def: New file, moved from builtins.def.
17368 * omp-builtins.def: New file, moved from builtins.def.
17369 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17370 * gimple-low.c (lower_function_body): Clear data.
17371 (lower_stmt): Do not handle COMPOUND_EXPR.
17372 Remove call to print_node_brief.
17373 * c-tree.h (c_finish_omp_clauses): New prototype.
17374 (C_DECL_THREADPRIVATE_P): Define.
17375 (lookup_name_no_remap, c_omp_remap_private): Remove
17376 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17377 (check_for_loop_decls): Update decl.
17378 (lookup_name_no_remap, c_omp_remap_private): Declare.
17379 (build_indirect_ref, build_modify_expr, pushdecl,
17380 pushdecl_top_level): Move to c-common.h.
17381 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17382 before the switch, but just in the 2 places that need it.
17383 * c-decl.c (diagnose_mismatched_decls): Do not check for
17384 mismatched thread-local attributes when OLDDECL is marked
17385 threadprivate and NEWDECL has no thread-local attributes.
17386 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17387 (c_gimple_diagnostics_recursively): Rename from
17388 c_warn_unused_result_recursively. Invoke
17389 diagnose_omp_structured_block_errors.
17390 (check_for_loop_decls): Return a singular decl found.
17391 * langhooks.c (lhd_omp_predetermined_sharing): Return
17392 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17393 (lhd_omp_firstprivatize_type_sizes): New.
17394 (lhd_omp_assignment): New.
17395 (lhd_omp_predetermined_sharing): New.
17396 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17397 (struct lang_hooks_for_types): Add
17398 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17399 omp_predetermined_sharing, omp_disregard_value_expr,
17400 omp_private_debug_clause, omp_clause_default_ctor,
17401 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17402 (c_finish_omp_clauses): New.
17403 (c_finish_bc_stmt): Diagnose break within omp for.
17404 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17405 (build_unary_op): Return error_mark after reporting
17407 (build_modify_expr): Likewise.
17408 * gimplify.c: Include optabs.h and pointer-set.h.
17409 (enum gimplify_omp_var_data): Declare.
17410 (struct gimplify_omp_ctx): Declare.
17411 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17413 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17414 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17415 (splay_tree_compare_decl_uid): New.
17416 (new_omp_context): New.
17417 (delete_omp_context): New.
17418 (gimple_add_tmp_var): Call omp_add_variable.
17419 (gimplify_bind_expr): Likewise.
17420 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17421 true, disregard DECL_VALUE_EXPR on the decl if any.
17422 (gimplify_expr_in_ctx): New.
17423 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17424 omp_add_variable, omp_notice_variable, omp_is_private
17425 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17426 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17427 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17428 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17429 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17430 gimplify_omp_atomic): New.
17431 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17432 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17433 OMP_CRITICAL and OMP_ATOMIC.
17434 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17435 * c-pragma.h (enum pragma_kind): Add
17436 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17437 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17438 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17439 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17440 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17441 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17442 PRAGMA_OMP_THREADPRIVATE.
17443 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17444 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17445 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17446 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17447 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17448 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17449 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17450 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17451 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17452 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17453 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17454 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17455 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17457 (struct nesting_info): Add field_map,
17458 suppress_expansion, debug_var_chain.
17459 (create_nesting_tree): Initialize them.
17460 (lookup_field_for_decl): Use field_map.
17461 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17462 (convert_local_omp_clauses): New.
17463 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17464 (walk_body): Split out of walk_function.
17465 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17466 (convert_nonlocal_reference): Handle omp statements.
17467 (convert_local_reference): Likewise.
17468 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17469 (unnest_nesting_tree): New.
17470 (lower_nested_functions): Call it.
17471 (insert_field_into_struct): Make extern.
17472 (struct walk_stmt_info): Move to tree-gimple.h.
17473 (walk_stmts): Make extern.
17474 * omp-builtins.def: New file.
17475 * tree-iterator.c (expr_only): Clarify comment.
17476 * c-common.h (pushdecl_top_level, pushdecl,
17477 build_modify_expr, build_indirect_ref,
17478 c_finish_omp_master, c_finish_omp_critical,
17479 c_finish_omp_ordered, c_finish_omp_barrier,
17480 c_finish_omp_atomic, c_finish_omp_flush,
17481 c_finish_omp_for, c_split_parallel_clauses,
17482 omp_clause_default_kind, c_omp_sharing_predetermined,
17483 c_omp_remap_decl): Declare.
17484 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17485 (OBJS-common): Add omp-low.o.
17486 (c-omp.o, omp-low.o): Add.
17487 (gimplify.o): Add dependency on $(OPTABS_H).
17488 (GTFILES): Add omp-low.c.
17489 (gt-stringpool.h): Add.
17490 * tree-cfg.c (set_bb_for_stmt): Do not update the
17491 block-to-labels map if we are currently expanding to RTL.
17492 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17494 Handle IDENTIFIER_NODE.
17495 (tree_verify_flow_info): Do not ICE when emitting error
17496 messages about invalid labels.
17497 (dump_function_to_file): Reset CFUN before emitting the body
17499 (debug_function): New.
17500 * passes.c (init_optimization_passes): Schedule
17502 * langhooks-def.h (lhd_omp_predetermined_sharing,
17503 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17505 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17506 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17507 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17508 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17509 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17510 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17511 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17512 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17513 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17514 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17515 (LANG_HOOK_DECLS): Use them.
17517 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17518 Richard Henderson <rth@redhat.com>
17519 Jakub Jelinek <jakub@redhat.com>
17520 Diego Novillo <dnovillo@redhat.com>
17522 * c-parser.c (pragma_omp_clause): Define.
17523 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17524 (c_parser_compound_statement): Likewise.
17525 (c_parser_statement): Likewise.
17526 (c_parser_pragma): Handle omp pragmas.
17527 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17528 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17529 (c_parser_omp_clause_name, check_no_duplicate_clause,
17530 c_parser_omp_variable_list,
17531 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17532 c_parser_omp_clause_copyprivate,
17533 c_parser_omp_clause_default,
17534 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17535 c_parser_omp_clause_lastprivate,
17536 c_parser_omp_clause_nowait,
17537 c_parser_omp_clause_num_threads,
17538 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17539 c_parser_omp_clause_reduction,
17540 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17541 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17542 c_parser_omp_atomic, c_parser_omp_barrier,
17543 c_parser_omp_critical, c_parser_omp_flush,
17544 c_parser_omp_for_loop, c_parser_omp_for,
17545 c_parser_omp_master, c_parser_omp_ordered,
17546 c_parser_omp_sections_scope, c_parser_omp_sections,
17547 c_parser_omp_parallel, c_parser_omp_single,
17548 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17549 * c-pragma.c (init_pragma): Do omp pragma registration here.
17550 * c.opt (fopenmp): New flag.
17552 2006-01-18 Eric Christopher <echristo@apple.com>
17554 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17555 * config/darwin.h (GOMP_SELF_SPECS): Define.
17557 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17559 * rtl.h: Remove the prototype for reg_alloc.
17561 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17564 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17565 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17566 sjlj and dwarf2 exception handling.
17567 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17568 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17569 * pa/pa.c (function_value): Treat complex and vector types as
17571 (function_arg): Likewise. Only pass scalar floats in the floating
17572 point argument registers.
17573 * pa/t-slibgcc-dwarf-ver: New file.
17574 * pa/t-slibgcc-sjlj-ver: New file.
17575 * pa/t-slibgcc-elf-ver: Delete file.
17577 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17579 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17580 unlikely_test_section_p test.
17582 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17584 * mode-switching.c (optimize_mode_switching): Make it static.
17585 * basic-block.h: Remove the prototype for
17586 optimize_mode_switching.
17588 * modulo-sched.c (sms_schedule): Make it static.
17589 * rtl.h: Remove the prototype for sms_schedule.
17591 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17592 * rtl.h: Remove the prototype for gcse_after_reload_main.
17594 * reg-stack.c (reg_to_stack): Make it static.
17595 * rtl.h: Remove the prototype for reg_to_stack.
17597 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17599 * rtl.h: Remove the prototypes for regrename_optimize and
17600 copyprop_hardreg_forward.
17602 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17604 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17605 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17606 Test against the appropriate null constant for the mode.
17607 If 'fixup_overlap' is true, swap the operands if they overlap.
17608 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17609 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17610 alpha_split_tmode_pair and adjust for above change.
17611 * config/alpha/alpha.md (movtf_internal): Adjust call to
17612 alpha_split_tfmode_pair and rely on it to swap the operands.
17613 (movti_internal): New insn and post-reload splitter.
17614 (movti): New expander.
17616 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17618 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17621 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17623 * rtlanal.c (global_reg_mentioned_p_1,
17624 global_reg_mentioned_p): Remove.
17625 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17627 * flow.c (initialize_uninitialized_subregs): Make it static.
17628 * rtl.h: Remove the prototype for
17629 initialize_uninitialized_subregs.
17631 * function.c (instantiate_virtual_regs): Make it static.
17632 * function.h: Remove the prototype for
17633 instantiate_virtual_regs.
17635 * regmove.c (regmove_optimize, combine_stack_adjustments):
17637 * rtl.h: Remove the prototypes for regmove_optimize and
17638 combine_stack_adjustments.
17640 2006-01-17 Roger Sayle <roger@eyesopen.com>
17642 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17643 (size_cost): Encode costs in bytes so that a reg-reg addition is
17644 equivalent to COSTS_N_INSNS(1).
17645 (override_options): Use the size_cost.branch_cost as the default
17646 ix86_branch_cost when optimizing for size.
17648 2006-01-18 Ben Elliston <bje@au.ibm.com>
17650 * Makefile.in (D32PBIT_FUNCS): New.
17651 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17652 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17653 D64PBIT_FUNCS and D128PBIT_FUNCS.
17654 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17655 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17657 (decnumber_dep): Define.
17658 * doc/libgcc.texi (Decimal float library routines): New node.
17659 * config/dfp-bit.h, config/dfp-bit.c: New files.
17661 2006-01-18 Ben Elliston <bje@au.ibm.com>
17663 * expr.c (emit_move_change_mode): Always adjust addresses, not
17664 just during reload. Copy replacements only during reload.
17665 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17666 emit_move_via_integer.
17668 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17670 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17671 instead of $(srcdir) and ${srcdir}.
17673 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17676 PR middle-end/11135
17677 * arm.h (struct machine_function): Add pic_reg.
17678 * arm.c (arm_pic_register): Make unsigned.
17679 (arm_override_options): Only set arm_pic_register if
17680 TARGET_SINGLE_PIC_BASE.
17681 (use_return_insn): Only test for a pic register if it is fixed.
17682 (arm_compute_save_reg0_reg12_mask): Likewise.
17683 (thumb_compute_save_reg_mask): Likewise.
17684 (legitimate_pic_operand): Factor out some known invariants.
17685 (legitimize_pic_address): If we don't have a fixed pic register,
17686 then set up a pseudo in the function entry sequence. Handle the
17687 pic base being in a pseudo.
17688 (arm_load_pic_register): Handle the pic register being in a pseudo.
17689 (arm_expand_prologue): Only set up the pic register if it is fixed.
17690 (thumb_expand_prologue): Likewise.
17691 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17692 (pic_load_addr_based_insn): Likewise.
17693 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17696 2006-01-18 Ben Elliston <bje@au.ibm.com>
17698 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17699 decimal float modes for all floating point registers.
17701 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17702 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17704 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17707 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17708 even when the pointer is not NULL.
17710 2006-01-16 Ian Lance Taylor <ian@airs.com>
17712 * common.opt (ftoplevel-reorder): New option.
17713 * cgraph.c (cgraph_asm_nodes): New global variable.
17714 (cgraph_asm_last_node): New static variable.
17715 (cgraph_order): New global variable.
17716 (cgraph_create_node): Set new order field.
17717 (cgraph_varpool_node): Likewise.
17718 (decide_is_variable_needed): Return true if not
17719 flag_toplevel_reorder.
17720 (cgraph_add_asm_node): New function.
17721 * cgraph.h (struct cgraph_node): Add order field.
17722 (struct cgraph_varpool_node): Add order field.
17723 (struct cgraph_asm_node): Define.
17724 (cgraph_asm_nodes, cgraph_order): Declare.
17725 (cgraph_add_asm_node): Declare.
17726 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17728 (cgraph_varpool_assemble_pending_decls): Call it.
17729 (cgraph_output_pending_asms): New static function.
17730 (cgraph_finalize_compilation_unit): Call it.
17731 (struct cgraph_order_sort): Define.
17732 (cgraph_output_in_order): New static function.
17733 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17734 !flag_toplevel_reorder case.
17735 * c-parser.c: Include "cgraph.h".
17736 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17738 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17739 than -fno-unit-at-a-time.
17740 * doc/invoke.texi (Option Summary): Mention
17741 -fno-toplevel-reorder.
17742 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17743 -funit-at-a-time documentation.
17745 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17746 Kazu Hirata <kazu@codesourcery.com>
17748 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17750 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17752 * Makefile.in (FUNCTION_H): New. Use it instead of
17753 function.h throughout the file.
17754 * function.h: Include tree.h.
17756 2006-01-17 Ben Elliston <bje@au.ibm.com>
17758 * recog.c: Separate some functions with whitespace.
17760 2006-01-16 Richard Henderson <rth@redhat.com>
17762 Merge from gomp branch:
17763 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17764 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17765 and rename from struct inline_data. Rename callee* to dst*;
17766 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17767 transform_new_cfg, transform_return_to_modify, and
17768 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17770 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17771 (copy_decl_for_dup): Remove.
17772 * tree-inline.c (struct inline_data): Move to header.
17773 (insert_decl_map): Export.
17774 (remap_decl): Update for member name changes. Use copy_decl hook.
17775 Allow for replacement to be a non-decl. Remove dead code.
17776 (remap_type_1): Check for existing mapping.
17777 (remap_type): Export.
17778 (remap_decls): Update for member name changes.
17779 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17780 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17781 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17782 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17783 (tree_function_versioning, build_duplicate_type): Likewise.
17784 (copy_body_r): Likewise. Export.
17785 (copy_decl_for_dup): Split into ...
17786 (copy_decl_for_dup_finish, copy_decl_to_var,
17787 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17788 (replace_ref_tree, inlining_p): Remove.
17790 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17792 * ifcvt.c (if_convert): Make it static.
17793 * rtl.h: Remove the prototype for if_convert.
17795 * local-alloc.c (local_alloc): Make it static.
17796 * rtl.h: Remove the prototype for local_alloc.
17798 * loop.c (loop_optimize): Make it static.
17799 * cfgloop.h: Remove the prototype for loop_optimize.
17802 2006-01-16 DJ Delorie <dj@redhat.com>
17804 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17807 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17809 * pa.md: Disparage copies between general and floating-point registers
17810 in 32-bit move patterns.
17812 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17815 * Makefile.in (check-%): Depend on site.exp instead of
17816 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17819 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17821 * global.c (global_alloc): Make it static.
17822 * rtl.h: Remove the prototype for global_alloc.
17824 2006-01-16 Richard Guenther <rguenther@suse.de>
17826 * tree-ssa-alias.c (struct used_part): Add write_only field.
17827 (get_or_create_used_part_for): Initialize it to true.
17828 (create_overlap_variables_for): Don't create structure variables
17829 for structures that only are written to.
17830 (find_used_portions): Handle MODIFY_EXPR to track whether a
17831 structure is only written to.
17833 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17835 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17837 * basic-block.h: Remove the prototype for
17838 partition_hot_cold_basic_blocks.
17840 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17842 * cppspec.c (lang_specific_spec_functions): Remove.
17843 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17844 * gcc.h (lang_specific_spec_functions): Remove.
17845 * gccspec.c (lang_specific_spec_functions): Remove.
17847 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17849 * combine.c (record_value_for_reg): Invalidate registers
17851 (record_dead_and_set_regs_1): Likewise, by passing them to
17852 record_value_for_reg.
17853 (record_dead_and_set_regs): Invalidate stores made by a
17854 call. We do not combine across a call, but we still
17855 relied on equivalences.
17857 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17859 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17860 vrp_int_const_binop returning non-constant nodes.
17862 2006-01-16 Paul Brook <paul@codesourcery.com>
17864 * config/m68k/m68k.c (output_move_const_into_data_reg):
17865 Output correct mnemonic for mvz and mvs.
17867 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17869 * rtl-factoring.c: Add sequence abstraction algorithm.
17870 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17871 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17873 (block_has_preserve_label): New function.
17874 * common.opt: Register new pass.
17875 * Makefile.in: Ditto.
17877 * timevar.def: Ditto.
17878 * tree-pass.h: Ditto.
17879 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17880 * rtl.h (make_jump_insn_raw): Add forward decl.
17881 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17883 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17884 Roger Sayle <roger@eyesopen.com>
17886 * fold-const.c (fold_minmax): New static function.
17887 (fold_binary) <MIN_EXPR>: Call it.
17888 <MAX_EXPR>: Likewise.
17889 * stor-layout.c (place_field): Use DECL_SIZE consistently
17890 in the computation of the new record size.
17892 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17894 * cse.c (cse_condition_code_reg): Make it static.
17895 * rtl.h: Remove the prototype for cse_condition_code_reg.
17897 * combine.c (combine_instructions): Make it static.
17898 * rtl.h: Remove the prototype for combine_instructions.
17900 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17903 * tree.c (get_file_function_name_long): Concatenate the first global
17904 object name with a string derived from the input filename of the object
17907 2006-01-16 Ben Elliston <bje@au.ibm.com>
17909 * config/i386/winnt-stubs.c: Update FSF address.
17910 * config/xtensa/ieee754-df.S: Ditto.
17911 * config/xtensa/ieee754-sf.S: Ditto.
17913 2006-01-14 Ian Lance Taylor <ian@airs.com>
17915 * ifcvt.c (noce_init_if_info): New static function, broken out of
17916 noce_process_if_block.
17917 (noce_process_if_block): Call noce_init_if_info.
17918 (check_cond_move_block): New static function.
17919 (cond_move_process_if_block): New static function.
17920 (process_if_block): Call cond_move_process_if_block.
17922 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17924 * cselib.c (hash_table): Rename to cselib_hash_table.
17925 (cselib_clear_table, discard_useless_values,
17926 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17927 cselib_init, cselib_finish): Adjust uses of hash_table.
17929 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17931 PR tree-optimization/25485
17932 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17933 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17934 is known to be false and true, respectively.
17936 2006-01-14 Richard Guenther <rguenther@suse.de>
17938 PR tree-optimization/22548
17939 PR tree-optimization/22555
17940 PR tree-optimization/22501
17941 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17942 * params.def (salias-max-array-elements): New parameter.
17943 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17944 * doc/invoke.texi (salias-max-array-elements): Document.
17945 * tree-flow-inline.h (var_can_have_subvars): We also handle
17947 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17949 * tree-ssa-structalias.c (params.h): Include.
17950 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17951 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17952 (get_constraint_for): For ADDR_EXPR operating on something
17953 containing an ARRAY_REF, add all subvars to the solution.
17954 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17955 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17956 for creating MUST_DEFs.
17957 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17959 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17961 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17963 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17964 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17965 number_of_iterations_le): New functions.
17966 (number_of_iterations_special): Removed.
17967 (number_of_iterations_exit): Do not use number_of_iterations_special.
17968 * tree.c (unsigned_type_for): Always return integer type.
17970 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17971 Richard Guenther <rguenther@suse.de>
17973 PR rtl-optimization/24257
17974 * gcse.c (find_moveable_store): Only consider a store movable
17975 when the SET_SRC of the insn can be assigned to a register.
17977 2006-01-14 Ian Lance Taylor <ian@airs.com>
17979 * tree.c (tree_not_class_check_failed): New function.
17980 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17981 (tree_not_class_check_failed): Declare.
17983 2006-01-13 Ian Lance Taylor <ian@airs.com>
17985 * reload1.c (do_output_reload): Add assertion rejecting a
17988 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17990 * combine.c (struct reg_stat): Add new fields truncation_label and
17992 (record_value_for_reg): Reset truncated_to_mode.
17993 (record_truncated_value): New function.
17994 (check_promoted_subreg): Call it. Rename to check_conversions.
17995 (combine_instructions): Rename check_promoted_subreg to
17997 (reg_truncated_to_mode): New function.
17998 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17999 (gen_lowpart_or_truncate): New function.
18000 (force_to_mode): Use it instead of gen_lowpart.
18002 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18004 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18005 VAR is a tag, not its type tag.
18007 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18009 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18010 alternatives to match style of other entries.
18011 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18013 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18015 PR tree-optimization/25771
18016 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18019 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18022 * tree-inline.c (declare_return_variable): If the return variable
18023 was marked as a non gimple complex, set the return slot variable
18024 to be a non gimple comple variable.
18026 2006-01-13 Richard Guenther <rguenther@suse.de>
18028 * builtins.c (expand_builtin_sincos): New function.
18029 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18031 (expand_builtin): Expand sincos using expand_builtin_sincos.
18033 2006-01-12 DJ Delorie <dj@redhat.com>
18035 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18036 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18037 so that constant shifts can be split.
18038 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18039 (m32c_valid_pointer_mode): Make static.
18040 (shift_gen_func_for): New.
18041 (m32c_prepare_shift): Use it. Split large const shifts into
18043 * config/m32c/predicates.md (shiftcount_operand): Allow more
18045 (longshiftcount_operand): New.
18046 * doc/md.texi (Machine Constraints): Document In6.
18048 2006-01-13 Ben Elliston <bje@au.ibm.com>
18050 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18051 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18054 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18056 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18057 to try to avoid clobbering pieces of structures when we know
18058 something about the whole structure.
18059 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18061 2006-01-13 Ben Elliston <bje@au.ibm.com>
18063 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18064 return in memory, as this is no limitation is no longer present.
18066 2006-01-12 DJ Delorie <dj@redhat.com>
18068 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18069 mova with fb, and for fb+0 -> An.
18071 * config/m32c/mov.md (peephole2): Fix enabling logic.
18073 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18074 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18075 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18076 FINI_ARRAY_SECTION_ASM_OP): Define.
18078 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18080 (m32c_legitimize_reload_address): New logic to reload FB to An.
18081 (m32c_output_reg_push): Add newline.
18082 (m32c_output_reg_pop): Likewise.
18084 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18086 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18088 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18090 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18092 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18094 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18097 2006-01-11 Ben Elliston <bje@au.ibm.com>
18099 * rtlanal.c (find_reg_note): Assert insn is not null.
18101 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18103 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18106 2006-01-11 Jeff Law <law@redhat.com>
18108 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18110 (mark_threaded_blocks, register_jump_thread): New functions.
18111 (thread_through_all_blocks): Remove unwanted argument. No
18112 longer rely on e->aux to communicate thread target info.
18113 Call mark_threaded_blocks. Release the threaded_blocks
18114 bitmap and threaded_edges vector when complete.
18115 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18116 (threaded_blocks): Remove.
18117 (tree_ssa_dominator_optimize): Remove initialization and
18118 finalization of threaded_blocks. Simplify call to
18119 thread_through_all_blocks.
18120 (thread_across_edge): Call register_jump_thread rather than
18121 storing thread information into e->aux.
18122 (free_all_edge_infos): Simplify now that e->aux is no longer
18123 used to communicate with thread_through_all_blocks.
18124 * tree-flow.h (thread_through_all_blocks): Update prototype.
18125 (register_jump_thread): Prototype.
18127 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18129 * df-core.c (df_compact_blocks, df_bb_replace): Use
18130 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18132 2006-01-11 Richard Guenther <rguenther@suse.de>
18134 PR tree-optimization/25734
18135 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18136 stop propagation after successful propagation to the LHS.
18138 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18140 * basic-block.h (control_flow_graph): Change the type of
18141 x_basic_block_info to VEC(basic_block,gc) *.
18142 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18144 (SET_BASIC_BLOCK): New.
18145 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18146 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18147 * cfgbuild.c (find_basic_blocks): Likewise.
18148 * cfglayout.c (fixup_reorder_chain): Likewise.
18149 * cfgrtl.c (create_basic_block_structure,
18150 rtl_create_basic_block): Likewise.
18151 * ifcvt.c (find_if_case_1): Likewise.
18152 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18155 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18157 * Makefile.in: Removed rotted odf.c entry.
18159 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18162 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18163 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18164 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18165 output pattern modifier, not %e.
18166 * config/cris/cris.c (cris_op_str): Update comment about pattern
18168 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18169 before falling through into...
18170 <case 'E'>: Redefined from old 'e' case.
18172 2006-01-11 Jan Hubicka <jh@suse.cz>
18175 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18177 2006-01-11 Jan Hubicka <jh@suse.cz>
18179 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18180 * i386.c (x86_decompose_lea): Kill.
18181 (ix86_rtx_costs): Kill.
18183 2006-01-11 Jan Hubicka <jh@suse.cz>
18185 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18186 * cgraph.h (cgraph_node): Add inline_decl.
18187 (cgraph_insert_node_to_hashtable): Declare.
18188 (save_inline_function_body): Declare.
18189 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18191 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18192 (cgraph_function_versioning): Update call of tree_function_versioning.
18193 (save_inline_function_body): New function.
18194 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18195 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18196 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18197 (cgraph_default_inline_p): Likewise.
18198 (cgraph_decide_inlining_incrementally): Likewise.
18199 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18200 (copy_bb): Kill saving; do updating of clones.
18201 (copy_cfg_body): Kill saving.
18202 (initialize_inlined-parameters): Likewise.
18203 (expand_call_inline): Likewise.
18205 (tree_function_versioning): New parameter "update_clones".
18206 (inlining_p): Kill saving.
18207 * tree-inline.h (tree_function_versioning): Update prototype.
18208 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18211 2006-01-11 Ian Lance Taylor <ian@airs.com>
18213 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18214 Allow undoing set of machine mode.
18215 (do_SUBST): Use enums instead of is_int.
18216 (do_SUBST_MODE): New function.
18217 (SUBST_MODE): New macro.
18218 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18219 reg and trying to replace reg_regno_rtx with a new register.
18220 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18221 (simplify_set): Use SUBST_MODE.
18222 (distribute_notes): Remove code that tried to update reg notes
18223 for regno_reg_rtx changes.
18225 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18227 PR tree-optimization/23109
18228 PR tree-optimization/23948
18229 PR tree-optimization/24123
18231 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18232 * tree-cfg.c (single_noncomplex_succ): New.
18233 * tree-flow.h (single_noncomplex_succ): Declare it.
18234 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18235 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18236 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18237 insert_bb, register_division_in, insert_reciprocals,
18238 replace_reciprocal, free_bb): New.
18239 (execute_cse_reciprocals_1): Rewritten.
18240 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18241 Do not commit any edge insertion. Always compute dominators and
18242 create the allocation pool.
18243 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18244 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18245 * targhooks.c (default_min_divistions_for_recip_mul): New.
18246 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18247 * passes.c (init_optimization_passes): Run recip after tree loop
18249 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18251 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18252 Kenneth Zadeck <zadeck@naturalbridge.com>
18254 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18255 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18256 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18257 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18258 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18259 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18260 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18261 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18262 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18263 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18264 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18265 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18266 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18267 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18268 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18269 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18270 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18271 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18272 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18273 DF_SCAN_POST_ALLOC): New macros.
18274 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18275 df_free_bb_function, df_local_compute_function, df_init_function,
18276 df_dataflow_function, df_confluence_function_0,
18277 df_confluence_function_n, df_transfer_function,
18278 df_finalizer_function, df_free_function, df_dump_problem_function,
18279 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18280 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18281 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18282 df_urec_bb_info, ) New types.
18283 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18285 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18286 df_analyze_simple_change_some_blocks,
18287 df_analyze_simple_change_one_block, df_compact_blocks,
18288 df_bb_replace, df_bb_regno_last_use_find,
18289 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18290 df_insn_regno_def_p, df_find_def, df_find_use,
18291 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18292 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18293 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18294 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18295 debug_df_chain, df_get_dependent_problem, df_chain_create,
18296 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18297 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18298 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18299 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18300 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18301 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18302 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18303 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18304 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18305 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18306 df_reorganize_refs, df_set_state, df_hard_reg_init,
18307 df_read_modify_subreg_p) New public functions.
18308 * df-core.c: The core dataflow solver and glue routines for rtl
18310 (df_init, df_add_problem, df_set_blocks, df_finish,
18311 df_hybrid_search_forward, df_hybrid_search_backward,
18312 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18313 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18314 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18315 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18316 df_reg_defined, df_find_use, df_reg_used, df_dump,
18317 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18318 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18319 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18320 debug_df_useno, reset_df_after_reload): New functions.
18321 * df-scan.c: The scanning fuctions, once in df.c, completely
18322 rewritten so that they now fully model the functionality of
18323 register usage at the backend.
18324 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18325 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18326 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18327 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18328 df_get_artificial_defs, df_get_artificial_uses,
18329 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18330 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18331 df_refs_delete, df_reorganize_refs, df_set_state,
18332 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18333 df_def_record_1, df_defs_record, df_uses_record,
18334 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18335 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18336 df_record_exit_block_uses, df_hard_reg_init): New functions.
18338 * df-problems.c: Seven concrete dataflow problems that use the
18339 scanning in df-scan.c and are solved by the engine in df-core.c.
18340 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18341 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18342 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18343 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18344 df_ru_free_bb_info, df_ru_alloc,
18345 df_ru_bb_local_compute_process_def,
18346 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18347 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18348 df_ru_transfer_function, df_ru_free, df_ru_dump,
18349 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18350 df_rd_free_bb_info, df_rd_alloc,
18351 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18352 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18353 df_rd_transfer_function, df_rd_free, df_rd_dump,
18354 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18355 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18356 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18357 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18358 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18359 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18360 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18361 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18362 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18363 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18364 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18365 df_urec_mark_reg_use_for_earlyclobber,
18366 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18367 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18368 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18369 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18370 df_chain_create_bb_process_use, df_chain_create_bb,
18371 df_chain_finalize, df_chain_free, df_chains_dump,
18372 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18373 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18374 df_reg_lifetime): New functions.
18375 * df.c: Deleted file.
18376 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18377 consistent with new df api.
18378 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18379 rest_of_handle_sms): Ditto.
18380 * web.c (unionfind_union, union_defs, entry_register, web_main):
18382 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18383 invariant_expr_equal_p, find_defs, check_dependencies,
18384 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18385 free_inv_motion_data, move_loop_invariants): Ditto.
18386 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18387 Update dependencies.
18388 (odf.c): Added defective entry that was deleted later in day.
18389 * sched-deps.c (sched_analyze_1): Ditto.
18391 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18393 * tree-ssa-operands.c (get_expr_operands): Record addressable
18394 variables directly. Do not call add_stmt_operands for CONST_DECLs
18396 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18397 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18399 2006-01-11 Ben Elliston <bje@au.ibm.com>
18401 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18402 function returns true in the positive case.
18404 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18407 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18408 for SI, DI, SF and DF modes. Add alternatives to copy between
18409 general and floating point registers to the 32-bit patterns.
18410 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18411 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18412 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18413 generating 64-bit code.
18414 * config/pa/pa.c (output_move_double): Handle copies between general
18415 and floating registers.
18417 2006-01-10 Stuart Hastings <stuart@apple.com>
18419 * config/i386/i386.md (set_got): Update.
18420 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18421 (builtin_setjmp_receiver): Mach-O support.
18422 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18423 (GOT_SYMBOL_NAME): Define.
18424 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18425 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18426 * config/i386/i386.c (override_options): Revise for Darwin.
18427 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18428 support. (darwin_x86_file_end): New. (output_set_got): Add label
18429 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18430 * config/i386/i386-protos.h (output_set_got): Likewise.
18431 * config/darwin.c (machopic_legitimize_pic_address): Update
18434 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18436 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18437 when MODE isn't BLKmode.
18439 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18441 PR rtl-optimization/25367
18442 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18444 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18447 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18448 for a negative bound.
18450 2006-01-10 Richard Guenther <rguenther@suse.de>
18452 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18453 Never override with anything constraint.
18455 2006-01-10 Jan Beulich <jbeulich@novell.com>
18457 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18458 256 bits when optimize_size.
18460 2006-01-10 Jan Beulich <jbeulich@novell.com>
18462 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18464 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18465 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18468 2006-01-10 Ben Elliston <bje@au.ibm.com>
18470 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18472 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18473 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18474 (USE_FP_FOR_ARG): Reject decimal float modes.
18475 (function_arg_advance): Likewise.
18476 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18477 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18478 point types in AltiVec vectors.
18479 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18480 (rs6000_libcall_value): Likewise.
18482 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18484 * config/xtensa/ieee754-df.S: New file.
18485 * config/xtensa/ieee754-sf.S: New file.
18486 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18487 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18488 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18490 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18492 * config/sh/predicates.md (binary_float_operator,
18493 binary_logical_operator, commutative_float_operator,
18494 equality_comparison_operator, greater_comparison_operator,
18495 less_comparison_operator, logical_operator,
18496 noncommutative_float_operator, shift_operator,
18497 symbol_ref_operand, unary_float_operator): Remove redundant
18500 2006-01-09 Jeff Law <law@redhat.com>
18502 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18503 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18504 now unused arguments. Callers updated.
18505 (eliminate_redundant_computations): Remove now unused arguments,
18507 (local_fold): Remove, no longer used.
18508 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18510 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18511 (simplify_cond): New function.
18512 (forward_propagate_into_cond): Call simplify_cond.
18514 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18516 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18517 (*vec_extractv2di_1_sse): New.
18519 2006-01-09 Ben Elliston <bje@au.ibm.com>
18521 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18523 2006-01-08 Richard Guenther <rguenther@suse.de>
18525 * tree-ssa-structalias.c (get_constraint_for): Remove
18526 anyoffset argument.
18527 (get_constraint_for_component_ref): Likewise.
18528 (do_deref): Likewise.
18529 (get_constraint_for): Likewise.
18530 (do_structure_copy): Likewise.
18531 (handle_ptr_arith): Likewise.
18532 (find_func_aliases): Likewise. Remove unused need_anyoffset
18535 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18536 Kaz Kojima <kkojima@gcc.gnu.org>
18538 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18539 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18540 (EXTRA_CONSTRAINT_C16): Remove.
18541 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18542 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18543 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18544 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18545 constants of SHmedia. Handle nested constant expressions of
18547 (andcosts): Fix the costs for SHmedia constants.
18548 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18549 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18550 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18551 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18552 (movv4hi_i, movv2si_i): Likewise.
18553 (movsi_const): Adjust the second operand of ior so to match with
18554 the Csu constraint.
18555 (movdi_const, movdi_const_32bit): Likewise.
18556 (movdi_const_16bit+1): Don't sign-extend LOW.
18557 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18559 (*double_shori): Fix the split condition. Use GEN_INT instead
18560 of get_int_mode calls. Mask lower 16-bit of the argument of
18562 (sym2GOTPLT): Remove.
18563 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18565 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18566 instead of EXTRA_CONSTRAINT_C16.
18568 2006-01-07 Ian Lance Taylor <ian@airs.com>
18569 David Edelsohn <edelsohn@gnu.org>
18571 PR rtl-optimization/25662
18572 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18573 for constant operands instead of simplify_gen_binary.
18574 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18575 after trying simplify_binary_operation
18577 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18579 * tree.c (iterative_hash_expr): Hash decls based on UID.
18581 2006-01-06 Eric Christopher <echristo@apple.com>
18583 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18584 (TARGET_UNWIND_EMIT): Fix spelling.
18585 * target.h (gcc_target): Add except_table_label.
18586 * except.c (output_function_exception_table): Use.
18587 * varasm.c (default_emit_except_table_label): New.
18588 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18590 (asm_out): Add here.
18591 * output.h (default_emit_except_table_label): Prototype.
18592 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18593 * config/darwin.c (darwin_emit_except_table_label): Define.
18594 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18596 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18598 PR tree-optimization/18527
18599 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18600 number_of_iterations_special, number_of_iterations_exit):
18601 Move base and step of an iv to a single structure. Add
18602 no_overflow flag, and use it in # of iterations analysis.
18603 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18604 folded_casts argument.
18605 (simple_iv): Pass base and step in a structure. Set no_overflow
18607 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18608 Evaluate expensiveness of computing # of iterations instead of
18609 the final expression.
18610 * tree-scalar-evolution.h (affine_iv): New structure.
18611 (simple_iv): Declaration changed.
18612 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18613 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18614 find_givs_in_stmt): Changed due to simple_iv change.
18616 2006-01-06 Jeff Law <law@redhat.com>
18619 * tree-cfg.c (bsi_replace): Rename final argument from
18620 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18621 change (stmt -> orig_stmt).
18622 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18623 (bsi_remove): Add new argument. Remove EH information
18625 (verify_eh_throw_table_statements): New function.
18626 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18628 * tree-optimize.c (execute_free_cfg_annotations): Verify
18629 the EH throw statement table after removing annotations.
18630 * except.h (verify_eh_throw_table_statements): Prototype.
18631 * tree-flow.h (bsi_remove): Update prototype.
18632 * tree-vrp.c (remove_range_assertions): Add new argument to
18634 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18635 * tree-complex.c (expand_complex_div_wide): Likewise.
18636 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18637 * tree-tailcall.c (eliminate_tailcall): Likewise.
18638 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18639 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18640 * tree-nrv.c (tree_nrv): Likewise.
18641 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18642 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18643 (combine_blocks): Likewise.
18644 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18645 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18646 (cleanup_control_flow): Likewise.
18647 (remove_forwarder_block): Likewise.
18648 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18649 * tree-sra.c (sra_replace): Likewise.
18650 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18651 (forward_propagate_single_use_vars): Likewise.
18652 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18653 * tree-inline.c (expand_call_inline): Likewise.
18654 * tree-vect-transform.c (vect_transform_loop): Likewise.
18655 * tree-outof-ssa.c (rewrite_trees): Likewise.
18656 * tree-cfg.c (make_goto_expr_edges): Likewise.
18657 (cleanup_dead_labels): Likewise.
18658 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18659 (bsi_move_before, bsi_move_after): Likewise.
18660 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18661 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18663 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18666 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18668 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18669 on non gimple variables. Also add checks at the top for decls and
18671 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18673 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18674 and IMAGPART_EXPR for creating MUST_DEFs.
18675 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18676 and NAME_MEMORY_TAG separately from the DECLs.
18678 2006-01-06 Richard Guenther <rguenther@suse.de>
18680 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18681 annotation, if necessary.
18682 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18683 redundant calls to update_stmt.
18684 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18687 2006-01-05 Richard Henderson <rth@redhat.com>
18689 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18691 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18693 * c-typeck.c: Update copyright date.
18695 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18697 * c-typeck.c (build_c_cast): Always warn when casting
18698 from a pointer to an integer of different size, even if
18699 the node was constant.
18701 2006-01-05 Richard Guenther <rguenther@suse.de>
18703 PR tree-optimization/22555
18704 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18705 if one structure field is an array.
18706 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18707 operands even if we found a subvar, but ignore VOPs in this
18709 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18711 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18713 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18715 PR middle-end/24998
18716 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18718 2006-01-05 Richard Guenther <rguenther@suse.de>
18719 Diego Novillo <dnovillo@redhat.com>
18721 * tree-pass.h (TODO_remove_unused_locals): Define.
18722 * gimple-low.c (expand_var_p, remove_useless_vars,
18723 pass_remove_useless_vars): Remove. Update all users.
18724 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18725 (remove_unused_locals): New function.
18726 * tree-flow.h (remove_unused_locals): Declare.
18727 * passes.c (execute_todo): Call remove_unused_locals if
18728 TODO_remove_unused_locals is set.
18729 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18730 * tree-ssa-dce.c (pass_dce): Likewise.
18731 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18733 2006-01-05 Richard Guenther <rguenther@suse.de>
18735 * tree-flow.h (struct fieldoff): Decompose field to
18736 type, size and decl.
18737 * tree-ssa-alias.c (create_sft): Take type as parameter.
18738 (create_overlap_variables_for): Store type, size and decl
18739 in the fieldoff structure.
18740 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18741 of struct fieldoff.
18742 (push_fields_onto_fieldstack): Likewise.
18743 (create_variable_info_for): Likewise. Use offset for the
18744 SFT name if the decl is not available.
18746 2006-01-04 Paul Brook <paul@codesourcery.com>
18748 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18750 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18752 * lambda-code.c (can_put_in_inner_loop): Relax
18754 (can_put_after_inner_loop): New function.
18755 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18756 (perfect_nestify): Change to make copies and modify uses.
18758 2006-01-04 Richard Henderson <rth@redhat.com>
18760 Merge from gomp branch:
18761 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18762 via integer constant.
18763 (pragma_lex): Remove.
18764 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18765 rather than parsing it.
18766 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18767 handle_pragma_extern_prefix): Add %< %> quotes.
18768 (registered_pragmas): New.
18769 (c_register_pragma_1): New.
18770 (c_register_pragma): Use it.
18771 (c_register_pragma_with_expansion): Likewise.
18772 (c_invoke_pragma_handler): New.
18773 (init_pragma): Use cpp_register_deferred_pragma directly for
18775 * c-pragma.h (enum pragma_kind): New.
18776 (pragma_handler): New.
18777 (c_invoke_pragma_handler): Declare.
18778 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18780 * c-common.h (c_common_pch_pragma): Update decl.
18781 * Makefile.in (c-parser.o): Update dependencies.
18782 (GTFILES): Add c-pragma.h.
18783 * c-parser.c (struct c_token): Add pragma_kind.
18784 (struct c_parser): Add in_pragma.
18785 (c_lex_one_token): Always initialize keyword and pragma_kind.
18786 Extract data for CPP_PRAGMA.
18787 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18788 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18789 Don't allow CPP_PRAGMA_EOL if in_pragma.
18790 (c_parser_consume_pragma): New.
18791 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18792 (c_parser_skip_to_end_of_parameter): Likewise.
18793 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18794 (c_parser_skip_to_pragma_eol): New.
18795 (c_parser_external_declaration): Handle CPP_PRAGMA.
18796 (c_parser_compound_statement_nostart): Likewise.
18797 (c_parser_statement_after_labels): Likewise.
18798 (c_parser_pragma): New.
18799 (pragma_lex): Likewise.
18800 (c_parser_pragma_pch_preprocess): New.
18801 (c_parser_new): Merge into ...
18802 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18804 2006-01-04 Jeff Law <law@redhat.com>
18807 * tree-cfg.c (bsi_replace): Remove the original statement
18808 from the EH throw statement table.
18810 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18812 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18813 make the prototype extern "C" and add throw ().
18816 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18817 and pos non-negative and pos + len <= 32.
18818 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18819 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18820 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18823 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18824 as well as sizes not multiple of component size.
18827 * function.c (instantiate_expr): New function.
18828 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18829 walk its DECL_VALUE_EXPR with instantiate_expr.
18831 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18832 DW_OP_deref{,_size} if address isn't going to be added.
18834 2006-01-04 Ben Elliston <bje@au.ibm.com>
18836 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18837 * config/fp-bit.c: Likewise.
18839 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18841 * dominance.c: Add comment about why we use DFS numbering
18844 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18845 Richard Henderson <rth@redhat.com>
18847 Merge from gomp-branch:
18848 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18849 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18851 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18853 PR rtl-optimization/25578
18854 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18855 pass a parameter to simplify_shift_const if changing ASHIFTRT
18858 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18860 * builtins.c (get_builtin_sync_mem): New function.
18861 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18862 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18863 Call get_builtin_sync_mem to generate mem rtx.
18865 2006-01-03 Richard Guenther <rguenther@suse.de>
18868 * stmt.c (add_case_node): Make sure to clear overflow flags
18871 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18873 Merge from gomp-branch.
18874 * config/sparc/sync.md: New file.
18875 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18876 UNSPECV_LDSTUB): New constants.
18877 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18878 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18879 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18882 2006-01-03 Roger Sayle <roger@eyesopen.com>
18884 * combine.c (reg_subword_p): New predicate to test whether the
18885 destination of a set refers to a subword/piece of a register.
18886 (try_combine): Generalize the code to merge the setting of a
18887 pseudo to a constant followed by a set of a subword of that
18888 register to a constant.
18890 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18892 * basic-block.h (control_flow_graph): Change the type of
18893 x_label_to_block_map to VEC(basic_block,gc) *.
18894 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18895 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18897 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18898 VEC(basic_block,heap) *.
18899 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18900 ssa_prop_fini): Adjust the uses of cfg_blocks.
18902 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18904 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18906 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18907 hashing trees instead of a pointer hash.
18908 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18909 compare for MEM_EXPR.
18911 PR rtl-optimization/25130
18912 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18913 when comparing MEMs for GCSE
18915 2006-01-03 Ben Elliston <bje@au.ibm.com>
18917 * targhooks.h (default_decimal_float_supported_p): Declare.
18918 * targhooks.c (default_decimal_float_supported_p): Define.
18919 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18920 `default_decimal_float_supported_p'.
18921 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18923 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18925 * combine.c (apply_distributive_law <SUBREG>): Check
18926 TRULY_NOOP_TRUNCATION.
18928 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18930 * dwarf2out.c (have_switched_text_section): Delete.
18931 (have_multiple_function_sections): New.
18932 (have_location_lists): Make 'bool'.
18933 (add_AT_loc_list): Use 'true' not '1'.
18934 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18935 (output_loc_list): Use have_multiple_function_sections.
18936 (output_ranges): Likewise.
18937 (dwarf2out_begin_function): Set have_multiple_function_sections if
18939 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18940 Check function_section rather than DECL_SECTION_NAME.
18941 (dwarf2out_finish): Use have_multiple_function_sections.
18942 Don't clear have_location_lists.
18944 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18945 Jan Hubicka <jh@suse.cz>
18947 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18948 case of conditional jump jumping to the next instruction.
18949 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18950 cases of conditional jump jumping to the next instruction.
18952 2006-01-02 Jan Hubicka <jh@suse.cz>
18954 * i386.c (*_cost): Add COSTS_N_INSNS.
18955 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18957 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18960 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18962 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18964 * config/arm/arm.c (all_fpus): Fix comment typo.
18965 * config/darwin.c: Likewise.
18966 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18967 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18968 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18970 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18972 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18973 (rs6000_split_compare_and_swapqhi): New.
18974 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18975 (sync_compare_and_swapqhi_internal): New.
18976 * config/rs6000/rs6000-protos.h: Declare.