1 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
3 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4 Add sh/superh.h to tm_file.
6 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
7 Mark Mitchell <mark@codesourcery.com>
9 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
11 (cpp_relocated): New function.
12 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
14 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
15 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
16 replace configured prefix with gcc_exec_prefix.
18 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
20 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
21 bfin_legitimate_constant_p.
22 * config/bfin/bfin.md (movsi expander): Check return value of
24 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
25 (expand_move): Adjust prototype.
26 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
27 invalid constants specially.
28 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
30 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
32 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
33 sibcall_value_symbol): Allow these patterns if
34 TARGET_LEAF_ID_SHARED_LIBRARY.
35 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
36 (override_options): Turn on id shared library flags if -msep-data,
37 but disallow the combination of these options on the command line.
38 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
39 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
40 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
42 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
43 * doc/invoke.texi (Blackfin Options): Document new switches.
45 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
46 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
48 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
49 inflate costs for addresses with an out-of-bounds address.
51 2006-11-19 Andrew Pinski <pinskia@gmail.com>
54 * fwprop.c (loops): Remove.
55 (forward_propagate_into): Use current_loops instead of
57 (fwprop_init): Call loop_optimizer_init instead of
59 (fwprop_done): Call loop_optimizer_finalize instead of
61 (fwprop): Use current_loops instead of loops.
63 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
66 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
68 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
71 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
72 larger than BITS_PER_WORD.
74 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
78 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
79 to MAX_FIXED_MODE_SIZE.
81 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
83 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
84 (fold_builtin_fmin_fmax): New.
85 (fold_builtin_1): Use it.
87 * fold-const.c (fold_strip_sign_ops): Handle copysign.
89 2006-11-18 Richard Guenther <rguenther@suse.de>
91 * config/i386/i386.c (ix86_builtins): New array for ix86
92 builtin function decls.
93 (def_builtin): New function.
94 (def_builtin_const): Likewise.
95 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
97 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
99 * doc/invoke.texi (core2): Add item.
101 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
103 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
104 (TARGET_CPU_DEFAULT_generic): Change value.
105 (TARGET_CPU_DEFAULT_NAMES): Add core2.
106 (processor_type): Add new constant PROCESSOR_CORE2.
108 * config/i386/i386.md (cpu): Add core2.
110 * config/i386/i386.c (core2_cost): New initialized variable.
111 (m_CORE2): New macro.
112 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
113 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
114 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
115 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
116 x86_partial_reg_dependency, x86_memory_mismatch_stall,
117 x86_accumulate_outgoing_args, x86_prologue_using_move,
118 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
119 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
120 x86_use_incdec, x86_four_jump_limit, x86_schedule,
121 x86_pad_returns): Add m_CORE2.
122 (override_options): Add entries for Core2.
123 (ix86_issue_rate): Add case for Core2.
125 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
127 * doc/invoke.texi: Fix mno-isel typo.
129 2006-11-18 Joseph Myers <joseph@codesourcery.com>
131 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
132 easy vector constant loads.
134 2006-11-18 Joseph Myers <joseph@codesourcery.com>
136 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
137 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
138 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
139 * config/rs6000/sync.md (lwsync): Emit plain sync if
142 2006-11-17 DJ Delorie <dj@redhat.com>
144 * reload1.c (reloads_unique_chain): New.
145 (reloads_conflict): Call it.
147 2006-11-17 Bob Wilson <bob.wilson@acm.org>
149 * config/xtensa/predicates.md (addsubx_operand): New.
150 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
151 (xtensa_emit_bit_branch): New.
152 (xtensa_emit_movcc): New.
153 * config/xtensa/xtensa.md (any_minmax): New code macro.
154 (minmax): New code attribute.
155 (any_cond, any_scc, any_scc_sf): New code macros.
156 (*addx2, *addx4, *addx8): Delete.
158 (*subx2, *subx4, *subx8): Delete.
160 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
161 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
162 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
163 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
164 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
165 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
166 (movsfcc_internal0, movsfcc_internal1): Likewise.
167 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
168 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
169 (xtensa_emit_bit_branch): New.
170 (xtensa_emit_movcc): New.
171 (function_arg_boundary): Add missing prototype.
173 2006-11-17 Bob Wilson <bob.wilson@acm.org>
175 * config/xtensa/xtensa.md (tstsi): Delete
177 2006-11-17 Bob Wilson <bob.wilson@acm.org>
179 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
181 2006-11-17 Bob Wilson <bob.wilson@acm.org>
183 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
185 2006-11-17 Bob Wilson <bob.wilson@acm.org>
187 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
189 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
191 * tree-vrp.c (execute_vrp): Do not update current_loops.
192 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
193 * doc/loop.texi: Remove documentation for cancelled functions.
194 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
195 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
197 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
198 (remove_path): Ensure that in delete_basic_blocks, the loops
200 (add_loop): Work on valid loop structures.
201 (loopify): Modify call of add_loop.
202 (mfb_update_loops): Removed.
203 (create_preheader): Do not update loops explicitly.
204 (force_single_succ_latches, loop_version): Do not use
205 loop_split_edge_with.
206 (loop_split_edge_with): Removed.
207 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
208 Do not use bsi_insert_on_edge_immediate_loop.
209 (split_loop_exit_edge, tree_unroll_loop): Do not use
210 loop_split_edge_with.
211 (bsi_insert_on_edge_immediate_loop): Removed.
212 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
213 use loop_split_edge_with.
214 * cfghooks.c: Include cfgloop.h.
215 (verify_flow_info): Verify that loop_father is filled iff current_loops
217 (redirect_edge_and_branch_force, split_block, delete_basic_block,
218 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
220 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
222 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
223 loop_split_edge_with.
224 (sms_schedule): Use current_loops.
225 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
226 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
228 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
229 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
230 * ifcvt.c (if_convert): Ditto.
231 * predict.c (predict_loops): Do not clear current_loops.
232 (tree_estimate_probability): Use current_loops.
233 (propagate_freq): Receive head of the region to propagate instead of
235 (estimate_loops_at_level): Do not use shared to_visit bitmap.
236 (estimate_loops): New function. Handle case current_loops == NULL.
237 (estimate_bb_frequencies): Do not allocate tovisit. Use
239 * tree-ssa-loop.c (current_loops): Removed.
240 (tree_loop_optimizer_init): Do not return loops.
241 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
242 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
243 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
244 Do not update loops explicitly.
245 * function.h (struct function): Add x_current_loops field.
246 (current_loops): New macro.
247 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
248 * loop-unroll.c (split_edge_and_insert): New function.
249 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
250 use loop_split_edge_with.
251 * loop-doloop.c (add_test, doloop_modify): Ditto.
252 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
253 * cfglayout.c (copy_bbs): Do not update loops explicitly.
254 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
255 * tree-vect-transform.c (vect_transform_loop): Do not update loops
257 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
258 (flow_loops_free): Do not free dfs_order and rc_order.
259 (flow_loops_find): Do not set dfs_order and rc_order in loops
260 structure. Do not call loops and flow info verification.
261 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
262 already belongs to some loop.
263 * cfgloop.h (struct loops): Remove struct cfg.
264 (current_loops, loop_split_edge_with): Declaration removed.
265 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
266 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
268 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
269 * basic-block.h (split_edge_and_insert): Declare.
270 * tree-cfg.c (remove_bb): Do not update loops explicitly.
272 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
274 PR tree-optimization/29801
275 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
276 (get_default_value): Use get_symbol_constant_value.
277 (set_lattice_value): ICE when the value of the constant is
279 (visit_assignment): Ignore VDEFs of read-only variables.
281 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
283 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
285 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
286 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
288 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
290 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
291 select subvars of var.
293 2006-11-17 Jakub Jelinek <jakub@redhat.com>
296 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
297 optimize if DEF doesn't have integral type.
299 2006-11-16 Mike Stump <mrs@apple.com>
301 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
302 pre-darwin9 system, unless the user asks for it directly.
303 (PREFERRED_DEBUGGING_TYPE): Likewise.
304 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
305 * config.gcc: Add suppport for darwin9.h.
306 * config/darwin9.h: Add.
307 * doc/install.texi (Specific): Clarify darwin documentation.
309 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
311 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
314 2006-11-16 Mike Stump <mrs@apple.com>
316 * Makefile.in (targhooks.o): Add $(OPTABS_H).
318 2006-11-16 Dirk Mueller <dmueller@suse.de>
320 * tree-vrp.c (get_value_range): Use XCNEW instead
322 (insert_range_assertions): Use XCNEWVEC instead
323 of XNEWVEC and memset.
324 (vrp_initialize): Same.
325 (vrp_finalize): Same.
326 * tree-ssa-ccp.c (ccp_initialize): Same.
327 * predict.c (tree_bb_level_predictions): Same.
328 * calls.c (expand_call): Same.
329 * tree-ssa-copy.c (init_copy_prop): Same.
330 (fini_copy_prop): Same.
331 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
332 of GGC_NEW and memset.
334 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
337 * gimplify.c (gimplify_expr): Only force a load for references to
338 non-BLKmode volatile values.
339 * doc/implement-c.texi (Qualifiers implementation): Document the
340 interpretation of what a volatile access is.
341 * doc/extend.texi (C++ Extensions): Rework same documentation.
343 2006-11-16 Joseph Myers <joseph@codesourcery.com>
345 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
348 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
350 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
352 (arm_neg_abssi2): Renamed from neg_abssi2.
353 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
355 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
357 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
358 number of arguments passed to local functions in SSE registers is 3.
360 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
361 number of arguments passed in SSE registers to 3.
363 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
366 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
368 (get_last_bb_insn): ... new global function.
369 (basic_block.h): Declare it.
370 * haifa-sched.c (create_recovery_block): Use it.
372 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
375 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
377 2006-11-15 Paul Brook <paul@codesourcery.com>
379 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
380 _Unwind_GetTextRelBase): Move from here ...
381 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
382 _Unwind_GetTextRelBase): ... To here.
384 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
386 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
387 addresses we generate for testing are aligned.
389 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
392 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
393 to what is the const decl is a place holder for.
395 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
397 * config/i386/i386.opt: New target option -mx87regparm.
399 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
400 and float_in_x87 variables. mmx_words, sse_words: Remove.
401 (X87_REGPARM_MAX): Define.
403 * config/i386/i386.c (override_options): Error out for
404 -mx87regparm but no 80387 support.
405 (ix86_attribute_table): Add x87regparm.
406 (ix86_handle_cconv_attribute): Update comments for x87regparm.
407 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
408 (ix86_function_x87regparm): New function.
409 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
411 (init_cumulative_args): Initialize x87_nregs and float_in_x87
413 (function_arg_advance): Process x87_nregs and x87_regno when
414 floating point argument is to be passed in 80387 register.
415 (function_arg): Pass XFmode arguments in 80387 registers for local
416 functions. Pass SFmode and DFmode arguments to local functions
417 in 80387 registers when flag_unsafe_math_optimizations is set.
419 * reg-stack.c (convert_regs_entry): Disable NaN load for
420 stack registers that are used for argument passing.
422 * doc/extend.texi: Document x87regparm function attribute.
423 * doc/invoke.texi: Document -mx87regparm.
425 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
427 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
428 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
429 arg MODE; all callers changed. Use it to determine validity per
430 machine mode instead of using Pmode for all memory references.
431 (get_address_cost): Likewise add and use new arg MEM_MODE.
433 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
434 J"orn Rennecke <joern.rennecke@st.com>
436 * combine.c (likely_spilled_retval_1): Fix masking operation.
437 (likely_spilled_retval_p): Use proper pattern for call to
438 likely_spilled_retval_1.
440 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
442 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
444 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
445 that tests for CONSTANT_POOL_ADDRESS_P.
447 2006-11-15 Jakub Jelinek <jakub@redhat.com>
449 PR tree-optimization/29581
450 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
451 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
452 type is different between Y and USE, create a temporary
453 variable, initialize it at the beginning of the body bb
454 and use it as replacement instead of Y.
456 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
459 * gimplify.c (fold_indirect_ref_rhs): Use
460 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
462 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
464 * expmed.c (emit_store_flag_1): New function.
465 (emit_store_flag): Call it. If we can't find a suitable scc insn,
467 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
468 Use do_compare_rtx_and_jump.
469 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
470 * arm.md (cstoresi4): New define_expand.
471 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
472 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
473 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
475 2006-11-14 Caroline Tice <ctice@apple.com>
477 * dwarf2out.c (debug_pubtypes_section): New static global variable.
478 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
480 (pubname_table): Redefine as a vector.
481 (pubtype_table): New static global variable, defined as a vector.
482 (pubname_table_allocated): Remove static global variable.
483 (pubname_table_in_use): Remove static global variable.
484 (PUBNAME_TABLE_INCREMENT): Remove constant.
485 (size_of_pubnames): Add parameter to deal with either pubnames or
486 pubtypes, and change code to deal with table being a vector.
487 (add_pubname): Change to deal with table being a vector.
488 (add_pubtype): New function.
489 (output_pubnames): Add parameter to deal with either pubnames or
490 pubtypes, and change code to deal with table being a vector.
491 (gen_array_type_die): Add call to add_pubtype.
492 (gen_enumeration_type_die): Add call to add_pubtype.
493 (gen_struct_or_union_type_die): Add call to add_pubtype.
494 (gen_subroutine_type_die): Add call to add_pubtype.
495 (gen_typedef_die): Add call to add_pubtype.
496 (dwarf2out_init): Add code to initialize pubname_table and
497 pubtype_table vectors; also initialize debug_pubtypes_section.
498 (prune_unused_types): Change to deal with pubnames being a vector.
499 (dwarf2out_finish): Change to deal with pubnames being a vector; add
500 pubnames table to call to output_pubnames; Add code to output pubtypes
501 table if DEBUG_PUBTYPES_SECTION is defined.
502 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
504 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
506 2006-11-14 Joseph Myers <joseph@codesourcery.com>
508 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
509 iwmmxt_nregs if TARGET_IWMMXT_ABI.
510 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
511 movv2si_internal): Support moves between core registers.
513 2006-11-14 Eric Christopher <echristo@apple.com>
515 * configure: Regenerate with autoconf 2.59.
517 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
519 Fix PR tree-optimization/27755
521 * tree-ssa-pre.c: Update comments.
522 (bb_bitmap_sets): Add pa_in and deferred member.
523 (BB_DEFERRED): New macro.
524 (maximal_set): New variable.
525 (pre_stats): Add pa_insert member.
526 (bitmap_set_and): Short circuit orig == dest.
527 (bitmap_set_subtract_values): New function.
528 (bitmap_set_contains_expr): Ditto.
529 (translate_vuses_through_block): Add phiblock argument.
530 (dependent_clean): New function.
531 (compute_antic_aux): Update for maximal_set changes.
532 (compute_partial_antic_aux): New function.
533 (compute_antic): Handle partial anticipation.
534 (do_partial_partial_insertion): New function.
535 (insert_aux): Handle partial anticipation.
536 (add_to_sets): Add to maximal set.
537 (compute_avail): Ditto.
538 (init_pre): Initialize maximal_set.
539 (execute_pre): Do partial anticipation if -O3+.
541 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
543 PR rtl-optimization/29798
545 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
546 TARGET_INSN before any other check.
547 (fwprop_init): Always calculate dominators.
548 (fwprop_done): Always free them.
550 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
552 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
555 2006-11-13 DJ Delorie <dj@redhat.com>
557 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
558 temporary for intermediates.
560 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
562 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
563 (sh_optimize_target_register_callee_saved): #if 0 the code
564 using NOTE_INSN_LOOP_{BEG,END}.
566 2006-11-13 Roger Sayle <roger@eyesopen.com>
568 * fold-const.c (optimize_bit_field_compare): Recursively call
569 fold when simplifying non-constant comparisons between bit-fields.
571 2006-11-13 Jakub Jelinek <jakub@redhat.com>
573 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
575 * configure: Rebuilt.
577 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
579 * config/rs6000/cell.md: New file.
580 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
582 (ppccell_cost): New cost matrix.
583 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
584 (rs6000_override_options): Set rs6000_always_hint to false
585 for cell. Also align functions/lables/loops to 8byte
586 for the Cell. Use PROCESSOR_CELL.
587 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
589 (rs6000_variable_issue): If the insn is a nonpipelined instruction
590 on the Cell, return 0.
591 (rs6000_adjust_cost): Add Cell cost adjustments.
592 (is_microcoded_insn): Return true for Cell microcoded
594 (is_nonpipeline_insn): New function.
595 (rs6000_issue_rate): Add PROCESSOR_CELL.
596 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
598 (rs6000_use_sched_lookahead_guard): New function.
599 (rs6000_sched_reorder): Reorder the ready list, if the second
600 to last ready insn is a nonepipeline insn on the Cell.
601 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
602 (ASM_CPU_SPEC): Add Cell.
603 * config/rs6000/rs6000.md (cpu): Add Cell.
604 (cell_micro): New Attr.
607 2006-11-13 Jakub Jelinek <jakub@redhat.com>
609 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
611 * configure: Rebuilt.
613 2006-11-13 Richard Guenther <rguenther@suse.de>
615 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
617 (ix86_expand_lfloorceil): Likewise.
618 (ix86_expand_rint): Likewise.
619 (ix86_expand_floorceildf_32): Likewise.
620 (ix86_expand_floorceil): Likewise.
621 (ix86_expand_rounddf_32): Likewise.
622 (ix86_expand_truncdf_32): Likewise.
623 (ix86_expand_round): Likewise.
625 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
626 Mark Mitchell <mark@codesourcery.com>
628 * gcc.c: Organize search path variables into $prefix relative,
629 and well-known native. Add comments.
630 (add_sysrooted_prefix): Add comment.
631 (process_command): If !gcc_exec_prefix add $prefix based paths.
632 If *cross_compile == '0', add native well-known paths.
633 Assert tooldir_base_prefix is always relative.
634 (main): If print_search_dirs, and if gcc_exec_prefix is set,
635 use this value for 'install:' path.
636 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
638 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
640 * config/i386/i386.c: Fix a typo in comment.
642 2006-11-13 Michael Matz <matz@suse.de>
644 * genemit.c (gen_expand): Allocate enough memory.
646 2006-11-13 Joseph Myers <joseph@codesourcery.com>
648 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
649 __GXX_TYPEINFO_EQUALITY_INLINE but not
650 __GXX_MERGED_TYPEINFO_NAMES.
651 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
652 __GXX_MERGED_TYPEINFO_NAMES.
653 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
654 __GXX_TYPEINFO_EQUALITY_INLINE.
656 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
657 Zdenek Dvorak <dvorakz@suse.cz>
659 PR tree-optimization/29680
660 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
663 2006-11-12 Jason Merrill <jason@redhat.com>
664 Andrew Pinski <pinskia@physics.uc.edu>
667 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
669 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
671 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
672 * tree.c (build_vector): Handle non-_CST elements.
674 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
676 * genemit.c (gen_insn): Call gen_exp with a non-null used
677 when handling multiple insns.
678 (gen_expand): Likewise.
679 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
680 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
681 (movsi_const_16bit+1): Copy operands[1].
682 (call_pcrel): Copy the call_site pattern.
683 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
685 2006-11-12 Roger Sayle <roger@eyesopen.com>
687 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
688 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
689 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
690 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
692 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
694 Fix PR tree-optimization/29587
695 * tree-ssa-structalias.c (process_constraint): Don't
696 mark address taken due only to escaped vars constraint.
698 2006-11-12 Michael Matz <matz@suse.de>
699 Roger Sayle <roger@eyesopen.com>
701 PR rtl-optimization/29797
702 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
703 BITS_BIG_ENDIAN targets.
705 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
707 * builtins.c (fold_builtin_cosh): New.
708 (fold_builtin_1): Use it.
709 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
710 trunc to the list of "odd" functions. Also add llrint, lrint,
711 rint and nearbyint when flag_rounding_math is false.
713 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
715 * tree-flow.h (name_mappings_registered_p): Declare.
716 * tree-into-ssa.c (name_mappings_registered_p): New function.
717 * tree-cfg.c (tree_can_merge_blocks_p): Check
718 name_mappings_registered_p instead of need_ssa_update_p.
720 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
722 * tree-ssa-loop.c (tree_vectorize): Return the result of
724 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
726 * tree-vectorizer.h (vectorize_loops): Declaration removed.
727 * tree-flow.h (vectorize_loops): Declaration changed.
729 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
731 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
733 (issue_prefetch_ref): Move assignment to write_p out of loop.
734 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
735 SIMULTANEOUS_PREFETCHES into account.
736 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
737 * lambda-code.c (lcm): Renamed to ...
738 (least_common_multiple): ... and exported.
739 * tree-flow.h (least_common_multiple): Declare.
741 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
743 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
744 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
745 ud-chains. Handle AND_EXPR.
746 (record_estimate): Record whether the estimate is realistic
747 and whether it is derived from a loop exit.
748 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
749 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
751 (compute_estimated_nb_iterations): Take only realistic bounds into
752 account. Set estimate_state. Use double_ints.
753 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
754 and infer_loop_bounds_from_signedness. Do not consider basic blocks
755 that do not have to be always executed.
756 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
757 to determine whether to call infer_loop_bounds_from_undefined
758 and compute_estimated_nb_iterations.
759 (n_of_executions_at_most): Use double_ints.
760 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
761 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
762 * double-int.c (double_int_to_tree): Improve comment.
763 (double_int_fits_to_tree_p): New function.
764 * double-int.h (double_int_fits_to_tree_p): Declare.
765 * tree-data-ref.c: Include langhooks.h.
766 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
767 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
768 (analyze_array): Do not pass estimate_only argument to
769 analyze_array_indexes.
770 (get_number_of_iters_for_loop): Build tree from the stored double_int
772 (get_references_in_stmt, find_data_references_in_stmt): New functions.
773 (find_data_references_in_loop): Use find_data_references_in_stmt.
774 * tree-data-ref.h (struct data_ref_loc_d): New.
775 (get_references_in_stmt): Declare.
776 (estimate_iters_using_array): Declaration removed.
777 * cfgloop.h (struct nb_iter_bound): Change type of bound to
778 double_int. Improve comments. Add is_exit and realistic
780 (struct loop): Changed type of estimated_nb_iterations to double_int.
781 Added estimate_state field.
782 (record_estimate): Declaration removed.
784 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
786 * params.c (set_param_value): Initialize the "set" field.
787 * params.h (struct param_info): Add "set" field.
788 (PARAM_SET_P): New macro.
789 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
790 L1_CACHE_LINE_SIZE): New macros.
791 * toplev.c (DEFPARAM): Initialize the "set" field.
792 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
793 SIMULTANEOUS_PREFETCHES): Removed.
794 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
795 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
796 * config/sparc/sparc.c: Include params.h.
797 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
798 L1_CACHE_LINE_SIZE parameters.
799 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
801 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
803 * config/i386/i386.c: Include params.h.
804 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
805 (override_options): Set SIMULTANEOUS_PREFETCHES and
806 L1_CACHE_LINE_SIZE parameters.
807 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
808 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
809 L1_CACHE_LINE_SIZE parameters.
810 * config/ia64/ia64.c (ia64_optimization_options): Set
811 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
812 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
814 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
815 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
816 * doc/invoke.texi: Document new params.
818 2006-11-12 Roger Sayle <roger@eyesopen.com>
820 PR tree-optimization/13827
821 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
824 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
826 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
827 update_single_exit_for_duplicated_loops): New functions.
828 (duplicate_loop_to_header_edge): Use
829 update_single_exit_for_duplicated_loops.
830 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
831 functions only with ENABLE_CHECKING.
833 2006-11-12 Andreas Schwab <schwab@suse.de>
835 * except.c (sjlj_emit_function_enter): Remove unused variable.
837 2006-11-11 Roger Sayle <roger@eyesopen.com>
839 * fold-const.c (int_binop_types_match_p): New function.
840 (size_binop): Relax constraint that both arguments must both have
841 exactly the same sizetype type. Instead use int_binop_types_match_p.
842 (size_diffop): Likewise.
844 (make_range): Use build_int_cst instead of fold_convert.
845 (fold_cond_expr_with_comparison): Use build_int_cst to construct
846 integer constants of the correct type.
847 (fold_div_compare): Likewise.
848 (fold_single_bit_test): Likewise.
849 (fold_binary): Likewise.
850 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
851 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
853 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
856 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
857 non null value if the struct memory access is in the 0th
860 2006-11-12 Jie Zhang <jie.zhang@analog.com>
863 2006-11-11 Jie Zhang <jie.zhang@analog.com>
864 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
867 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
868 instead of builtin_define for bfin and BFIN.
870 2006-11-11 Jie Zhang <jie.zhang@analog.com>
872 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
875 2006-11-11 Jan Hubicka <jh@suse.cz>
877 * extended.texi (__builtin_expect): We no longer require second argument
879 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
880 * builtins.c (expand_builtin_expect): Simplify.
881 (expand_builtin_expect_jump): Kill.
882 * final.c (final_scan_insn): Do not skip the removed notes.
883 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
884 EXPECTED_VALUE): Remove.
885 * dojump.c (do_jump): Do not care about __builtin_expect.
886 * predict.c (expected_value_to_br_prob): Kill.
887 * function.c (expand_function_end): Do not expand
888 NOTE_INSN_REPEATED_LINE_NUMBER.
889 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
890 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
891 * cfgexpand.c (add_reg_br_prob_note): Export.
892 * cfgcleanup.c (rest_of_handle_jump2): Do not call
893 expected_value_to_br_prob.
894 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
895 * rtl.h (add_reg_br_prob_note): Declare.
897 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
899 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
901 2006-11-11 Jan Hubicka <jh@suse.cz>
903 * predict.c (predict_loops): Kill RTL variant.
905 2006-11-11 Jan Hubicka <jh@suse.cz>
907 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
908 * modulo-sched.c (find_line_note): Remove.
909 (loop_canon_p): Do not worry about line number notes.
910 (sms_schedule): Likewise.
911 * cse.c (cse_main): Likewise.
912 * regmove.c (fixup_match_1): Likewise
913 * function.c (emit_return_info_block): Likewise.
914 (expand_function_end): Likewise.
915 (thread_prologue_an_epilogue_insns): Likewise.
916 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
918 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
919 emit_note_copy_after): Kill.
920 (emit_note_copy): Do not worry about line numbers.
921 * jump.c (purge_line_number_notes): Kill.
922 (pass_purge_lineno_notes): Kill.
923 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
925 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
926 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
927 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
928 * tree-pass.h (pass_purge_lineno_notes): Kill.
929 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
930 rm_redundant_line_notes.
931 * sched-rgb.c (schedule_region): Don't rm_line_notes,
932 rm_redundant_line_notes.
933 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
934 * haifa-sched.c: Update comment about handling notes.
935 (unlink_line_notes): Kill.
936 (rm_line_notes): Kill.
937 (save_line_notes): Simplify.
938 (rm_redundant_line_notes): Kill.
940 2006-11-11 Richard Guenther <rguenther@suse.de>
942 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
943 Remove unused tree codes.
944 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
945 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
946 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
947 * tree.c (stabilize_reference): Likewise.
948 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
949 fold_unary): Likewise.
950 * tree-gimple.c (is_gimple_cast): Likewise.
951 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
952 * expr.c (expand_expr_real_1): Likewise.
953 * tree-eh.c (tree_could_trap_p): Likewise.
954 * gimplify.c (gimplify_expr): Likewise.
955 * tree-inline.c (estimate_num_insns_1): Likewise.
956 * tree-cfg.c (verify_expr): Likewise.
958 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
960 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
961 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
962 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
964 2006-11-11 Richard Sandiford <richard@codesourcery.com>
967 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
968 constraints accept neither registers or memories.
970 2006-11-11 Jie Zhang <jie.zhang@analog.com>
972 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
973 (NO_PROFILE_COUNTERS): Define as 1.
975 2006-11-10 Roger Sayle <roger@eyesopen.com>
977 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
978 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
980 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
982 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
984 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
986 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
987 (fold_builtin_hypot): Likewise.
988 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
990 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
992 2006-11-10 Roger Sayle <roger@eyesopen.com>
994 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
995 when attempting to build INTEGER_CSTs of non-integral types.
996 * expmed.c (make_tree): Use the correct type, i.e. the inner
997 type, when constructing the individual elements of a CONST_VECTOR.
999 2006-11-10 Jan Hubicka <jh@suse.cz>
1001 * cse.c (cse_process_notes): Copy the propagated value.
1002 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1004 * gcse.c (try_replace_reg): Copy the replacement.
1005 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1006 (assign_386_stack_local): Always return copied memory expression
1007 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1010 2006-11-10 Jan Hubicka <jh@suse.cz>
1012 * final.c (final): Walk from first instruction.
1013 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1015 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1018 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1020 (umulv8hi3_highpart): Ditto.
1021 (vec_widen_smult_hi_v8hi): New expander.
1022 (vec_widen_smult_lo_v8hi): Ditto.
1024 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1027 * builtins.c (do_mpfr_arg3): New.
1028 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1030 2006-11-09 Eric Christopher <echristo@apple.com>
1035 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1036 * config.gcc (powerpc64-*-darwin*): New target.
1037 * config.host: Ditto.
1038 * config/rs6000/darwin64.h: New file.
1039 * config/rs6000/x-darwin64: Ditto.
1040 * config/rs6000/host-ppc64-darwin.c: Ditto.
1042 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1044 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1045 routines for integer division.
1047 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1049 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1051 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1054 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1056 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1058 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1059 simplify_subreg with BLKmode outer mode.
1061 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1063 * doc/invoke.texi: Minor formatting fixes in option lists.
1065 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1067 PR tree-optimization/29738
1068 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1069 (ccp_lattice_t): Remove UNKNOWN_VAL.
1070 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1071 Do not handle UNKNOWN_VAL.
1072 (get_default_value): Set initial value of virtual operands to
1074 (get_value): Always use get_default_value on uninitialized
1076 (set_value_varying, surely_varying_stmt_p): New functions.
1077 (set_lattice_value): Do not pass argument to get_value.
1078 Do not handle UNKNOWN_VAL.
1079 (likely_value): Follow the semantics described in the comment.
1080 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1081 phi nodes DONT_SIMULATE_AGAIN.
1082 (ccp_fold): Do not pass argument to get_value.
1083 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1086 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1088 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1089 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1091 2006-11-08 Roger Sayle <roger@eyesopen.com>
1093 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1094 test for inclusion rather than as a test for exclusion.
1095 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1096 the condition after calling fold_binary.
1097 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1098 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1099 * builtins.c (fold_builtin_isascii): Likewise.
1100 (fold_builtin_isdigit): Likewise.
1102 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1104 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1105 * configure: Regenerate.
1107 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1109 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1110 enum argument instead of bool.
1111 (vect_analyze_operations): Call vectorizable_type_promotion.
1112 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1113 stmt_vec_info_type value.
1114 (supportable_widening_operation, vectorizable_type_promotion): New
1115 function declarations.
1116 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1117 (vectorizable_type_promotion): New function.
1118 (vect_transform_stmt): Call vectorizable_type_promotion.
1119 * tree-vect-analyze.c (supportable_widening_operation): New function.
1120 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1122 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1125 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1126 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1127 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1129 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1130 * expr.c (expand_expr_real_1): Likewise.
1131 * optabs.c (optab_for_tree_code): Likewise.
1132 (init_optabs): Initialize new optabs.
1133 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1134 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1135 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1136 vec_unpacku_lo_optab): Initialize new optabs.
1137 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1138 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1139 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1141 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1142 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1143 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1144 (vec_unpacku_lo_optab): New optabs.
1145 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1146 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1147 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1148 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1149 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1150 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1152 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1153 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1154 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1155 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1156 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1157 implement the unsigned unpacking patterns.
1158 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1159 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1160 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1161 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1162 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1163 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1164 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1165 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1166 multiplication patterns.
1168 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1169 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1170 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1171 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1172 (rs6000_builtin_mul_widen_odd): New.
1173 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1174 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1175 * tree-vectorizer.h (enum vect_relevant): New enum type.
1176 (_stmt_vec_info): Field relevant chaned from bool to enum
1178 (STMT_VINFO_RELEVANT_P): Updated.
1179 (STMT_VINFO_RELEVANT): New.
1180 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1181 instead of STMT_VINFO_RELEVANT_P.
1182 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1183 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1184 and boolean variable with enum vect_relevant.
1185 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1186 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1187 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1189 2006-11-08 Richard Henderson <rth@redhat.com>
1191 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1192 vec_widen_umult_lo_v8hi): New.
1193 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1194 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1196 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1197 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1198 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1199 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1200 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1201 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1202 vec_unpacks_lo_v4si): New.
1204 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1206 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1207 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1208 (vect_analyze_operations): Call vectorizable_type_demotion.
1209 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1210 stmt_vec_info_type value.
1211 (vectorizable_type_demotion): New function declaration.
1212 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1215 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1216 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1218 * tree-iniline.c (estimate_num_insns_1): Likewise.
1219 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1220 * optabs.c (optab_for_tree_code): Likewise.
1222 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1223 compared against the predicate of the result is not 'mode' (the input
1224 to the function) but a mode with half the size of 'mode'.
1225 (init_optab): Initialize new optabs.
1226 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1228 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1230 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1231 (vec_pack_usat_optab): Initialize new optabs.
1232 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1233 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1235 2006-11-08 Richard Henderson <rth@redehat.com>
1237 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1238 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1239 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1240 (vec_interleave_highv4si, vec_interleave_lowv4si):
1241 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1243 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1245 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1247 (vect_transform_stmt): Removed redundant code.
1249 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1251 * tree-vect-transform.c (vectorizable_operation): Support multiple
1254 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1256 * tree-vect-transform.c (vect_align_data_ref): Removed.
1257 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1258 Updated function documentation. Return the increment stmt in ptr_incr.
1259 (bump_vector_ptr): New function.
1260 (vect_get_vec_def_for_stmt_copy): New function.
1261 (vect_finish_stmt_generation): Create a stmt_info to newly created
1263 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1265 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1266 VF is greater than the number of elements that can fit in one vector
1268 (vectorizable_operation, vectorizable_condition): Likewise.
1269 (vectorizable_store, vectorizable_load): Support the case that the VF
1270 is greater than the number of elements that can fit in one vector word.
1271 (vect_transform_loop): Don't fail in case of multiple data-types.
1272 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1273 in case of multiple data-types; the smallest type determines the VF.
1274 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1275 if they are of different sizes.
1276 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1277 number of elements rather than number of bytes.
1278 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1279 (vect_can_advance_ivs_p): Fix a dump printout
1281 2006-11-07 Eric Christopher <echristo@apple.com>
1283 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1284 (__bswapsi2): Ditto.
1285 * libgcc2.h: Remove transformation of bswap routines.
1286 * config/i386/i386.md (bswapsi2): New.
1289 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1291 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1292 (handle_gnu_inline_attribute): New function.
1293 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1294 (merge_decls, start_decl, start_function): Likewise.
1295 * doc/extend.texi: Document gnu_inline attribute.
1297 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1300 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1301 _fixunstfdi, and _floatditf
1303 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1305 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1307 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1308 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1309 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1310 which start in an odd register.
1312 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1314 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1316 2006-11-07 Josh Conner <jconner@apple.com>
1318 * doc/invoke.texi (fstrict-aliasing): Move implementation
1320 * doc/tree-ssa.texi (Alias analysis): ...here.
1322 2006-11-07 Richard Guenther <rguenther@suse.de>
1324 PR tree-optimization/29610
1325 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1326 of tree_purge_dead_eh_edges as it may free dominators.
1328 * g++.dg/other/pr29610.C: New testcase.
1330 2006-11-07 David Ung <davidu@mips.com>
1332 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1333 costs when optimizing for size.
1334 (override_options): Use mips_rtx_cost_optimize_size table for cost
1337 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1339 * gcc.c (process_command): Treat -b as normal switch if its argument
1342 2006-11-07 David Ung <davidu@mips.com>
1344 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1347 2006-11-06 Eric Christopher <echristo@apple.com>
1349 * config.gcc: Add x86_64-darwin host support.
1350 * config.host: Ditto.
1351 * config/i386/darwin64.h: New file.
1352 * config/i386/t-darwin64: Ditto.
1354 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1356 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1357 and output-exists-not.
1359 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1362 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1363 checking for overflow.
1365 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1367 * configure.ac: Fixed typo in case statement: :: changed to ;;
1369 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1371 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1372 count_leading_zeros, and count_trailing_zeros.
1373 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1374 (TARGET_FOLD_BUILTIN): Define.
1375 (TARGET_EXPAND_BUILTIN): Define.
1376 (xtensa_init_builtins): New.
1377 (xtensa_fold_builtin): New.
1378 (xtensa_expand_builtin): New.
1379 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1380 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1381 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1382 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1383 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1384 (any_extend): New code macro.
1385 (u, su): New code attributes.
1386 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1387 (nsau): Remove; replaced by clzsi2.
1388 (ffssi2): Use clzsi2.
1389 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1390 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1391 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1392 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1393 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1395 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1397 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1399 * config/arm/t-strongarm-elf: Likewise.
1400 * config/arm/t-pe: Likewise.
1401 * config/arm/t-arm-elf: Likewise.
1402 * config/arm/t-xscale-elf: Likewise.
1403 * config/arm/t-arm-coff: Likewise.
1404 * config/arm/t-xscale-coff: Likewise.
1405 * config/arm/t-wince-pe: Likewise.
1407 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1409 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1412 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1415 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1418 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1421 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1422 as a valid 80387 constant.
1423 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1424 * config/i386/i386.md (unnamed splitter): Split the load of
1425 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1428 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1430 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1431 from the soft-frame, argument and virtual registers.
1433 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1435 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1436 patterns for standard 80387 constants.
1438 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1439 Steven Bosscher <steven@gcc.gnu.org>
1441 * fwprop.c: New file.
1442 * Makefile.in: Add fwprop.o.
1443 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1444 * passes.c (init_optimization_passes): Schedule forward propagation.
1445 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1447 * timevar.def (TV_FWPROP): New.
1448 * common.opt (-fforward-propagate): New.
1449 * opts.c (decode_options): Enable forward propagation at -O2.
1450 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1451 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1452 canon_for_address, table_size): Remove.
1453 (new_basic_block, insert, remove_from_table): Remove references to
1455 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1456 simplification loop more straightforward by not calling fold_rtx
1458 (equiv_constant): Move here a small part of fold_rtx_subreg,
1459 do not call fold_rtx. Call avoid_constant_pool_reference
1461 * recog.h (canonicalize_change_group): New.
1463 * doc/invoke.texi (Optimization Options): Document fwprop.
1464 * doc/passes.texi (RTL passes): Document fwprop.
1466 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1468 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1469 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1470 (grokdeclarator): Likewise.
1472 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1474 * tree-dump.c (dump_enable_all): Rename local variable
1475 ir_type to avoid name conflicts.
1476 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1477 instead of using ir_type().
1478 * profile.c (tree_register_profile_hooks): Likewise.
1479 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1480 * basic-block.h (struct edge_def): Likewise.
1481 * config/arm/arm.c (legitimize_pic_address): Likewise.
1482 * coretypes.h (ir_type): New enum of all intermediate languages
1484 * cfghooks.c (ir_type): Rename to...
1485 (current_ir_type): ...this. Distinguish between cfgrtl and
1486 cfglayout mode when the current IR is RTL. Return enum ir_type.
1487 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1489 2006-11-03 Paul Brook <paul@codesourcery.com>
1491 * config/arm/arm.c (arm_file_start): New function.
1492 (TARGET_ASM_FILE_START): Define.
1493 (arm_default_cpu): New variable.
1494 (arm_override_options): Set arm_default_cpu.
1496 2006-11-03 David Ung <davidu@mips.com>
1498 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1499 PROCESSOR_24KC and PROCESSOR_24KF.
1500 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1501 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1502 (mips_rtx_cost_data): Add costs for the 24kc.
1503 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1504 * config/mips/24k.md: Remove references to 24k and replace with
1505 uses of 24kc/24kf in the appropriate reservations.
1506 * doc/invoke.texi (MIPS Options): Updated.
1508 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1510 * config/sh/crt1.asm: Fix #ifdef indent.
1512 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1513 Merged from STMicroelectronics sources:
1514 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1515 * config/sh/crt1.asm (vbr_600): Add missing #if.
1516 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1517 * sh.opt (mfused-madd): New option.
1518 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1519 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1520 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1521 Remove pointless handler at VBR+0.
1522 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1523 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1524 fr7. Make sure the timer handler is called with the correct FPU
1525 precision setting, according to the ABI.
1526 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1527 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1528 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1529 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1530 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1531 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1532 zero as second operand.
1533 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1534 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1535 Fixed some bugs related to negative values, in particular -0
1536 and overflow at -0x80000000.
1537 * config/sh/divcost-analysis: Added sh4-300 figures.
1538 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1539 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1540 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1541 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1542 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1543 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1545 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1547 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1548 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1549 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1550 mac_mem, mem_mac, dfp_mul, fp_cmp.
1551 (insn_class, dfp_comp, any_fp_comp): Update.
1552 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1553 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1554 (muldf3_i): Likewise.
1555 (movsi_i): Split rI08 alternative into two separate alternatives.
1557 (movsi_ie, movsi_i_lowpart): Likewise.
1558 (movqi_i): Split ri alternative into two separate alternatives.
1560 * sh1.md (sh1_load_store, sh1_fp): Update.
1561 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1562 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1563 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1564 (sh4a_fp_double_arith): Likewise.
1565 * sh4-300.md: New file.
1566 * sh.c (sh_handle_option): Handle m4-300* options.
1567 (sh_adjust_cost): Fix latency of auto-increments.
1568 Handle SH4-300 differently than other SH4s. Check for new insn types.
1569 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1570 been set by an option.
1571 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1572 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1573 (mbranch-cost=): Likewise.
1574 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1576 * sh.md (mulsf3): Remove special expansion code.
1577 (mulsf3_ie): Now a define_insn_and_split.
1578 (macsf3): Allow for TARGET_SH4.
1580 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1581 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1582 (expand_cbranchdi4): Likewise.
1583 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1584 CONST_DOUBLE if the outer code is COMPARE.
1585 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1586 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1587 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1588 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1589 Remove redundant fp_{zero,one}_operand checks.
1590 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1591 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1592 (expand_cbranchdi4): Likewise.
1593 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1594 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1596 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1598 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1601 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1603 * doc/invoke.texi: Fix mfp-trap-mode typo.
1605 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1607 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1608 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1609 file_end_indicate_exec_stack.
1610 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1612 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1613 for a non-executable stack.
1614 * crti.asm: Likewise.
1615 * crtn.asm: Likewise.
1616 * libunwind.S: Likewise.
1618 2006-11-02 Ben Elliston <bje@au.ibm.com>
1620 * tree-ssa.c (warn_uninit): Use expand_location variables for
1621 locus and declaration locus.
1623 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1626 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1627 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1628 cmp{eq,gt,gtu}{si,di}_media.
1629 (*cmpne0si_media): Remove.
1630 (*movsicc_umin): Adjust gen_cmp*_media call.
1631 (unordered): Change the mode of unordered and operands[1] to
1633 (seq): Adjust gen_cmp*_media calls. Make the mode of
1634 a temporary result of compare SImode if needed. If the mode
1635 of operands[0] is DImode, extend the temporary result to DImode.
1636 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1637 (sunorderd): Change the mode of match_operand and unorderd to
1639 (cmpeq{sf,df}_media): Remove.
1640 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1641 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1642 and compare operation to SImode.
1644 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1646 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1648 (sparc64-sun-solaris2*): Likewise.
1650 2006-11-02 Paul Brook <paul@codesourcery.com>
1652 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1653 from priority argument. Use different section for non-default
1655 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1657 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1660 * except.c (switch_to_exception_section): Do not cache the section
1661 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1662 and flag_function_sections is set.
1664 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1667 * builtins.c (do_mpfr_sincos): New.
1668 (fold_builtin_1): Use it to fold builtin sincos.
1670 2006-11-01 Roger Sayle <roger@eyesopen.com>
1672 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1673 it into -D_REENTRANT.
1675 2006-11-01 Roger Sayle <roger@eyesopen.com>
1677 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1678 whether the assembler supports taking the difference of symbols in
1679 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1680 * configure: Regenerate.
1681 * config.in: Regenerate.
1682 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1683 the assembler doesn't support taking the difference of symbols in
1684 different sections, i.e. we're using the native solaris assembler.
1686 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1687 Peter Bergner <bergner@vnet.ibm.com>
1689 * doc/invoke.texi: Add cpu_type power6x
1690 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1691 * config.gcc: Add cpu_type power6x.
1692 * configure.ac: Add test for mf{t,f}gpr instructions.
1693 (HAVE_AS_MFPGPR): New.
1694 * config.in: Regenerate.
1695 * configure: Regenerate.
1696 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1697 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1698 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1699 and mftgpr attributes.
1700 (define_attr "cpu"): Add power6.
1701 Change instruction sequences to use new attributes.
1702 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1703 (fix_truncdfsi2_mfpgpr): New.
1704 (floatsidf_ppc64_mfpgpr): New.
1705 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1706 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1707 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1708 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1709 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1710 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1711 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1712 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1713 cntlz,exts and var_delayed_compare.
1714 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1715 _ARCH_PWR6X, if features enabled.
1716 * config/rs6000/rs6000.opt (mmfpgpr): New.
1717 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1718 (cached_can_issue_more): New variable.
1719 (processor_costs): Add power6_cost.
1720 (rs6000_sched_init): New function.
1721 (is_dispatch_slot_restricted): Deleted.
1722 (set_to_load_agen): New function.
1723 (is_load_insn,is_store_insn): New functions.
1724 (adjacent_mem_locations): New function.
1725 (insn_must_be_first_in_group): New function.
1726 (insn_must_be_last_in_group): New function.
1727 (rs6000_sched_reorder): New function.
1728 (rs6000_sched_reorder2): New function.
1729 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1730 TARGET_SCHED_REORDER2): Define.
1731 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1732 Add power6x. Add MASK_MFPGPR for power6x.
1733 (POWERPC_MASKS): Add MASK_MFPGPR.
1734 (rs6000_override_options): Set rs6000_always_hint to false
1735 for power6. Set rs6000_align_branch_targets. Replace
1736 rs6000_sched_groups check with rs6000_align_branch_targets.
1737 Use PROCESSOR_POWER6.
1738 (last_scheduled_insn): New variable.
1739 (load_store_pendulum): New variable.
1740 (rs6000_variable_issue): Set last_scheduled_insn and
1741 cached_can_issue_more.
1742 (rs6000_adjust_cost): Add power6 cost adjustments.
1743 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1744 with insn_must_be_first_in_group. Add power6 priority adjustments.
1745 (rs6000_issue_rate): Add CPU_POWER6.
1746 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1747 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1748 (TARGET_MFPGPR): New.
1749 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1750 (ASM_CPU_SPEC): Add power6x.
1751 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1753 * config/rs6000/power6.md: New file.
1755 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1757 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1758 HOST_WIDE_INT_PRINT to print high and low parts. Use
1759 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1760 printing a hexadecimal number prefix it with 0x.
1762 2006-11-01 Chris Johns <chris@contemporary.net.au>
1765 * Makefile.in (install-driver): Use exeext when installing
1766 $target-gcc-$version.
1768 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1770 * c-common.c (flag_cpp0x): New.
1771 * c-common.h (flag_cpp0x): New.
1772 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1773 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1774 * c-opts.c (set_std_cxx0x): New.
1775 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1776 * c.opt (std=c++0x): Document.
1777 (std=gnu++0x): Ditto.
1778 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1779 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1781 2006-11-01 Richard Guenther <rguenther@suse.de>
1783 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1785 (ix86_expand_floorceildf_32): Likewise.
1786 (ix86_expand_floorceil): Likewise.
1787 (ix86_expand_trunc): Likewise.
1789 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1791 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1794 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1796 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1798 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1800 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1802 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1803 * configure.ac (use_cxa_atexit): As a special case, don't test
1804 for libc definition of __cxa_atexit on mingw32
1805 * configure: Regenerate.
1806 * config.gcc (i[34567]86-pc-mingw32): Default to
1807 enable__cxa_atexit=yes.
1809 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1811 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1813 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1816 * c-decl.c (start_struct): Don't create self-containing
1818 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1820 * config/rs6000/rs6000-protos.h
1821 (darwin_rs6000_special_round_type_align): New.
1822 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1823 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1825 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1827 * toplev.c (compile_file): Call final_write_globals
1828 even if there have been errors.
1830 2006-10-31 Eric Christopher <echristo@apple.com>
1831 Falk Hueffner <falk@debian.org>
1833 * doc/extend.texi (__builtin_bswap32): Document.
1834 (__builtin_bswap64): Ditto.
1835 * doc/libgcc.texi (bswapsi2): Document.
1837 * doc/rtl.texi (bswap): Document.
1838 * optabs.c (expand_unop): Don't widen a bswap.
1839 (init_optabs): Init bswap. Set libfuncs explicitly
1840 for bswapsi2 and bswapdi2.
1841 * optabs.h (OTI_bswap): New.
1842 (bswap_optab): Ditto.
1843 * genopinit.c (optabs): Handle bswap_optab.
1844 * tree.h (tree_index): Add TI_UINT32_TYPE and
1846 (uint32_type_node): New.
1847 (uint64_type_node): Ditto.
1848 * tree.c (build_common_tree_nodes_2): Initialize
1849 uint32_type_node and uint64_type_node.
1850 * builtins.c (expand_builtin_bswap): New.
1851 (expand_builtin): Call.
1852 (fold_builtin_bswap): New.
1853 (fold_builtin_1): Call.
1854 * fold-const.c (tree_expr_nonnegative_p): Return true
1856 * builtin-types.def (BT_UINT32): New.
1858 (BT_FN_UINT32_UINT32): Ditto.
1859 (BT_FN_UINT64_UINT64): Ditto.
1860 * builtins.def (BUILT_IN_BSWAP32): New.
1861 (BUILT_IN_BSWAP64): Ditto.
1862 * rtl.def (BSWAP): New.
1863 * genattrtab.c (check_attr_value): New.
1864 * libgcc2.c (__bswapSI2): New.
1865 (__bswapDI2): Ditto.
1866 * libgcc2.h (__bswapSI2): Declare.
1867 (__bswapDI2): Ditto.
1868 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1869 * simplify-rtx.c (simplify_const_unary_operation): Return
1871 * libgcc-std.ver (__bwapsi2): Add.
1872 (__bswapdi2): Ditto.
1873 * reload1.c (eliminate_regs_1): Add bswap.
1874 (elimination_effects): Ditto.
1875 * config/i386/i386.h (x86_bswap): New.
1876 (TARGET_BSWAP): Use.
1877 * config/i386/i386.c (x86_bswap): Set.
1879 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1881 * coverage.c (coverage_checksum_string): Update comment.
1882 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1883 of get_file_function_name.
1884 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1885 of get_file_function_name_long.
1886 * tree.c (get_file_function_name): Rename from
1887 get_file_function_name_long; improve comment; handle 'I' and 'D'
1888 specially when the target has ctor/dtor support; remove special
1890 (get_file_function_name): Remove.
1891 * tree.h (get_file_function_name): Rename from
1892 get_file_function_name_long.
1893 (get_file_function_name): Remove prototype.
1895 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1897 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1898 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1900 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1901 Call dsymutil when compiling and linking one or more source files
1904 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1907 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1909 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1911 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1912 inline static functions in c99 mode.
1915 * doc/extend.texi (Inline): Update.
1916 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1917 * c-decl.c (current_extern_inline): Delete.
1918 (pop_scope): Adjust test for an undefined nested function.
1919 Add warning about undeclared inline function.
1920 (diagnose_mismatched_decls): Update comments. Disallow overriding
1921 of inline functions in a translation unit in C99. Allow inline
1922 declarations in C99 at any time.
1923 (merge_decls): Boolize variables. Handle C99 'extern inline'
1925 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1926 C99 inline semantics.
1927 (start_function): Don't clear current_extern_inline. Don't set
1929 (c_push_function_context): Don't push current_extern_inline.
1930 (c_pop_function_context): Don't restore current_extern_inline.
1933 * c-typeck.c (build_external_ref): Warn about static variables
1934 used in extern inline functions.
1935 * c-decl.c (start_decl): Warn about static variables declared
1936 in extern inline functions.
1938 2006-10-31 Roger Sayle <roger@eyesopen.com>
1941 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1942 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1943 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1944 or y is an even integer.
1946 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1949 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1950 * gthr-posix95.h (__gthread_active_p): Likewise.
1952 2006-10-31 Richard Guenther <rguenther@suse.de>
1954 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1955 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1956 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1957 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1958 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1959 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1960 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1961 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1964 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1966 * opts.c (decode_options): Disable CSE skip blocks.
1968 2006-10-30 Dirk Mueller <dmueller@suse.de>
1970 * c-common.h (strict_aliasing_warning): Fix whitespace.
1971 * c-decl (start_function): Move code for main decl warning ..
1972 * c-common.c (check_main_parameter_types): .. here.
1973 * c-common.h (check_main_parameter_types): Declare.
1975 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1978 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1980 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1982 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1983 be a PARALLEL containing sets. Return false when out_pat is not
1986 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1988 * config/mips/mips.md (mul<mode>3): Split into...
1989 (mulsi3, muldi3): ...these separate patterns.
1991 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1993 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1994 but with each set of options separated by spaces.
1996 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1998 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1999 dwarf_reg_size_table has been initialized.
2001 2006-10-30 Roger Sayle <roger@eyesopen.com>
2003 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2004 * ddg.c (print_ddg_edge): Likewise.
2005 * dwarf2out.c (prune_unused_types_walk): Likewise.
2006 * ifcvt.c (noce_try_cmove_arith): Likewise.
2007 * langhooks.c (add_builtin_function): Likewise.
2008 * reg-stack.c (subst_stack_regs_pat): Likewise.
2009 * tree.c (expanded_location): Likewise.
2010 * tree-dump.c (dequeue_and_dump): Likewise.
2012 2006-10-30 David Daney <ddaney@avtrex.com>
2014 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2016 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2018 PR tree-optimization/29637
2019 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2020 of the innertype is the innertype itself.
2022 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2024 * dwarf2out.c (file_name_acquire): Correct typo.
2026 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2028 * tree.h (tree_value_handle): Remove struct value_set declaration.
2029 Change value_set to bitmap_set.
2030 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2031 * tree-vn.c (get_value_handle): Made inline and moved to
2033 * tree-flow-inline.h: (has_stmt_ann): New function.
2034 * tree-ssa-pre.c (expressions): New variable.
2035 (next_expression_id): Ditto.
2036 (alloc_expression_id): New function.
2037 (struct value_set): Remove.
2038 (get_expression_id): New function.
2039 (get_or_alloc_expression_id): Ditto.
2040 (expression_for_id): Ditto.
2041 (clear_expression_ids): Ditto.
2042 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2043 (bb_value_sets): Renamed to bb_bitmap_sets.
2044 All value sets replaced with bitmap_sets.
2046 (BB_VISITED): New macro.
2047 (postorder): New variable.
2048 (add_to_value): Removed.
2049 (value_exists_in_set_bitmap): Ditto.
2050 (value_insert_into_set_bitmap): Ditto.
2053 (set_remove): Ditto.
2054 (set_contains_value): Ditto.
2055 (insert_into_set): Ditto.
2057 (find_leader): Ditto.
2058 (bitmap_set_subtract_from_value_set): Ditto.
2059 (value_insert_into_set): Ditto.
2060 (print_value_set): Ditto.
2061 (debug_value_set): Ditto.
2062 (constant_expr_p): New function.
2063 (bitmap_remove_from_set): Ditto.
2064 (bitmap_insert_into_set): Ditto.
2065 (bitmap_set_free): Ditto.
2066 (vh_compare): Ditto.
2067 (sorted_array_from_bitmap_set): Ditto.
2068 (bitmap_set_subtract): Ditto.
2069 (bitmap_set_equal): Ditto.
2070 (debug_bitmap_set): Ditto.
2071 (find_leader_in_sets): Ditto.
2072 (bitmap_set_replace_value): Modify for bitmapped sets.
2073 (phi_translate): Ditto.
2074 (phi_translate_set): Ditto.
2075 (bitmap_find_leader): Ditto.
2076 (valid_in_sets): Ditto.
2077 (union_contains_value): Ditto.
2079 (compute_antic_aux): Ditto. Mark changed blocks.
2080 (compute_antic): Ditto. Iterate in postorder and only over
2082 (compute_rvuse_and_antic_safe): Reuse postorder.
2083 (create_component_ref_by_pieces): Modify for bitmapped sets.
2084 (find_or_generate_expression): Ditto.
2085 (create_expression_by_pieces): Ditto.
2086 (insert_into_preds_of_block): Ditto.
2087 (changed_blocks): New variable.
2088 (do_regular_insertion): Broken out from insert_aux.
2089 (insert_aux): Modified for bitmapped sets.
2090 (find_existing_value_expr): New function.
2091 (create_value_expr_from): Use it.
2092 (insert_extra_phis): Removed.
2093 (print_bitmap_set): Renamed from bitmap_print_value_set.
2094 (compute_avail): Handle RETURN_EXPR.
2095 (init_pre): Modify for bitmapped sets.
2096 * tree-flow.h (has_stmt_ann): New function.
2098 2006-10-29 Roger Sayle <roger@eyesopen.com>
2100 * builtins.c (fold_builtin_floor): Check for the availability of
2101 the C99 trunc function before transforming floor into trunc.
2103 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2105 * builtins.c (fold_builtin_hypot): Rearrange recursive
2106 transformation before others, and also do ABS_EXPR. When
2107 necessary, check flag_unsafe_math_optimizations. When necessary,
2110 2006-10-29 Roger Sayle <roger@eyesopen.com>
2112 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2113 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2114 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2115 Fold -X eq/ne -Y as X eq/ne Y.
2117 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2119 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2120 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2121 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2122 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2123 Use an inclusive test for "mult" rather than "mul".
2124 (rotr<mode>3): Depend on ISA_HAS_ROR.
2125 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2127 (GENERATE_MULT3_DI): Delete.
2128 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2129 (ISA_HAS_MUL3): New macro.
2130 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2131 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2132 (ISA_HAS_CLZ_CLO): Likewise.
2133 (ISA_HAS_DCLZ_DCLO): Delete.
2134 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2135 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2136 the VR4120 and VR4130.
2137 (ISA_HAS_MACCHI): Use consistent formatting.
2138 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2139 (ISA_HAS_ROR): ...this new macro.
2140 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2141 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2142 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2144 2006-10-29 Roger Sayle <roger@eyesopen.com>
2146 PR tree-optimization/15458
2147 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2150 2006-10-29 Richard Guenther <rguenther@suse.de>
2152 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2153 (ix86_expand_truncdf_32): Likewise.
2154 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2155 trunc inline for SSE math and -fno-trapping-math and if not
2156 optimizing for size.
2157 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2158 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2159 for expanding btrunc inline for SSE math.
2161 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2163 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2164 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2165 i[34567]86-*-solaris2.1[0-9]*.
2166 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2167 Define conditionally depending on TARGET_64BIT_DEFAULT.
2168 (SPEC_32, SPEC_64): Define.
2169 (LINK_SPEC): Use them.
2170 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2172 2006-10-29 Richard Guenther <rguenther@suse.de>
2174 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2175 (ix86_expand_rounddf_32): Likewise.
2176 * config/i386/i386.c (ix86_expand_round): New function expanding
2177 round inline for SSE math and -fno-trapping-math and if not
2178 optimizing for size.
2179 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2180 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2181 round via ix86_expand_round.
2183 2006-10-29 Richard Guenther <rguenther@suse.de>
2185 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2186 (ix86_expand_floorceildf_32): Likewise.
2187 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2188 static helper function.
2189 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2191 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2192 * config/i386/i386.md (floordf2): Adjust to enable floor
2193 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2194 -fno-trapping-math is enabled and if not optimizing for size.
2195 (floorsf2, ceildf2, ceilsf2): Likewise.
2196 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2197 (sse2_maskcmpdf3): Likewise.
2199 2006-10-29 Richard Guenther <rguenther@suse.de>
2201 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2202 rint in case -fno-trapping-math is enabled.
2203 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2204 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2205 (ix86_expand_sse_fabs): Likewise.
2206 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2207 * config/i386/i386.md (rintdf2): Enable for SSE math if
2208 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2209 (rintsf2): Likewise.
2211 2006-10-29 Richard Guenther <rguenther@suse.de>
2213 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2214 to conversion optabs.
2215 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2216 as conversion optab.
2217 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2218 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2219 (lfloor_optab, lceil_optab): Adjust defines.
2220 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2221 lfloor and lceil optabs now being conversion optabs.
2222 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2223 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2224 New static helper function.
2225 (ix86_expand_lfloorceil): New function to expand lfloor and
2227 * config/i386/i386.md (lfloor<mode>2): Split into ...
2228 (lfloorxf<mode>2): ... x87 variant
2229 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2230 using ix86_expand_lfloorceil.
2231 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2233 * doc/md.texi (lfloorMN, lceilMN): Document.
2235 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2237 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2238 -mno-shared assembler option on mips targets.
2239 * configure, config.in: Regenerate.
2240 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2241 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2242 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2244 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2246 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2247 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2249 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2251 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2252 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2255 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2258 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2259 (fold_builtin_pow): Evaluate constant arguments at compile-time
2261 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2262 (do_mpfr_ckconv): New helper function.
2263 (do_mpfr_arg1): Use do_mpfr_ckconv.
2264 (do_mpfr_arg2): New.
2266 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2269 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2270 (-fdump-rtl-sched): Rename to ..
2271 (-fdump-rtl-sched1): here. Also fix file extension number.
2273 2006-10-28 Richard Guenther <rguenther@suse.de>
2275 * fold-const.c (maybe_canonicalize_comparison): Fix code
2278 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2280 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2281 (NON_QI_REG_P): Use IN_RANGE.
2282 (REX_INT_REGNO_P): Use IN_RANGE.
2283 (FP_REGNO_P): Use IN_RANGE.
2284 (SSE_REGNO_P): Use IN_RANGE.
2285 (REX_SSE_REGNO_P): Use IN_RANGE.
2286 (MMX_REGNO_P): Use IN_RANGE.
2287 (STACK_REGNO_P): New macro.
2288 (STACK_REG_P): Use STACK_REGNO_P.
2289 (NON_STACK_REG_P): Use STACK_REGNO_P.
2290 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2291 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2292 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2293 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2294 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2296 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2298 * except.h (output_function_exception_table): Add 'const char*' param.
2299 * except.c (switch_to_exception_section): Add 'const char*' param.
2300 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2301 and flag_function_sections is set, use a function-specific section.
2302 (output_function_exception_table): Add 'const char*' param.
2303 Adjust call to switch_to_exception_section.
2304 * final.c (rest_of_handle_final): Adjust calls to
2305 output_function_exception_table.
2306 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2307 * config.in: Regenerate.
2308 * configure: Likewise.
2310 2006-10-28 Richard Guenther <rguenther@suse.de>
2313 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2314 for maybe_canonicalize_comparison.
2315 (maybe_canonicalize_comparison): New function for canonicalizing
2317 (fold_comparison): Call it to canonicalize comparisons with
2320 2006-10-28 Richard Guenther <rguenther@suse.de>
2323 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2324 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2325 (expand_builtin): Adjust likewise.
2326 * genopinit.c (optabs[]): Add lround optab.
2327 * optabs.c (init_optabs): Initialize lround_optab.
2328 * optabs.h (enum convert_optab_index): Add COI_lround.
2329 (lround_optab): Define.
2330 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2331 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2333 (ix86_expand_lround): New function.
2334 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2336 * doc/md.texi (lroundMN2): Document.
2338 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2341 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2342 argument to HOST_WIDE_INT. Update function prototype.
2343 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2344 "size" argument to HOST_WIDE_INT. Update function prototype.
2346 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2348 * config/i386/i386.c (output_387_ffreep): Create output from a
2349 template string for !HAVE_AS_IX86_FFREEP.
2351 2006-10-27 Eric Christopher <echristo@apple.com>
2353 * config/darwin.c: Fix formatting and grammar.
2355 2006-10-27 Jan Hubicka <jh@suse.cz>
2357 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2358 to be thrown away soon when IGNORE is set.
2359 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2360 indicating when return value shall not be computed.
2361 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2363 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2365 * config/i386/i386.h (TARGET_GEODE):
2366 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2367 (TARGET_CPU_DEFAULT_geode): New macro.
2368 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2369 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2370 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2371 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2372 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2374 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2375 (processor_type): Add PROCESSOR_GEODE.
2377 * config/i386/i386.md: Include geode.md.
2380 * config/i386/i386.c (geode_cost): New initialized global
2382 (m_GEODE, m_K6_GEODE): New macros.
2383 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2384 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2385 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2386 x86_schedule): Use m_K6_GEODE instead of m_K6.
2387 (x86_movx, x86_cmove): Set up m_GEODE.
2388 (x86_integer_DFmode_moves): Clear m_GEODE.
2389 (processor_target_table): Add entry for geode.
2390 (processor_alias_table): Ditto.
2392 * config/i386/geode.md: New file.
2394 * doc/invoke.texi: Add entry about geode processor.
2396 2006-10-27 Mike Stump <mrs@apple.com>
2398 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2399 __DYNAMIC__ from here back to ...
2400 * config/darwin.h (CPP_SPEC): ... here.
2402 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2403 Nathan Sidwell <nathan@codesourcery.com>
2405 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2406 when choosing the minimum heapsize.
2408 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2410 * gcc/unwind-dw2.h: Move cfa-related variables into
2411 struct frame_state_reg_info to ensure that the CFA is properly
2412 handled when executing DW_CFA_{remember,restore}_state.
2413 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2414 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2415 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2416 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2417 gcc/config/rs6000/linux-unwind.h,
2418 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2419 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2420 Modify to use new cfa_* fields.
2422 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2424 * config/s390/s390.c (s390_init_frame_layout): Check positive
2427 2006-10-26 Ben Elliston <bje@au.ibm.com>
2429 * gimplify.c (get_name): Remove extraneous break.
2430 (gimplify_omp_for): Initialise ret with GS_OK.
2432 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2434 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2435 Add unix98.o to link line.
2437 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2440 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2441 Calculate compile-time constants using MPFR.
2442 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2443 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2445 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2447 * config/xtensa/lib2funcs.S: Use C-style comments.
2449 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2451 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2452 (file_table_relative_p): Likewise.
2453 (dwarf2out_finish): Likewise.
2454 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2456 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2458 * tree-ssa-structalias.c (intra_create_variable_infos):
2459 Don't recreate nonlocal_all if it already exists.
2461 2006-10-25 Richard Guenther <rguenther@suse.de>
2464 * optabs.h (enum optab_index): Remove OTI_lrint.
2465 (enum convert_optab_index): Add COI_lrint.
2466 (lrint_optab): Adjust.
2467 (expand_sfix_optab): Declare.
2468 * optabs.c (expand_sfix_optab): New function.
2469 (init_optabs): Init lrint_optab as conversion optab.
2470 * genopinit.c (lrint_optab): Change to a conversion optab.
2471 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2472 expansion via conversion optab.
2473 * config/i386/i386.md (*fistdi2_1): Remove
2474 flag_unsafe_math_optimizations guard.
2475 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2476 fist<mode>2_with_temp): Likewise.
2477 (lrint<mode>2): Split into...
2478 (lrintxf<mode>2): ... x87 part
2479 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2480 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2481 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2482 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2483 * doc/md.texi (lrintMN2): Document.
2485 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2488 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2489 Use inc and dec instructions for TARGET_USE_INCDEC.
2490 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2491 ("sync_double_compare_and_swap<mode>"): Likewise.
2492 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2493 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2494 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2495 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2496 ("sync_old_add<mode>"): Likewise.
2497 ("sync_lock_test_and_set<mode>"): Likewise.
2498 ("sync_lock_test_and_set<mode>"): Likewise.
2499 ("sync_add<mode>"): Likewise.
2500 ("sync_sub<mode>"): Likewise.
2501 ("sync_ior<mode>"): Likewise.
2502 ("sync_and<mode>"): Likewise.
2503 ("sync_xor<mode>"): Likewise.
2505 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2507 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2508 (remainder_optab): Define corresponding macro.
2509 (drem_optab): Remove.
2510 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2511 drem_optab initialization.
2512 * genopinit.c (optabs): Implement remainder_optab using
2513 remainder?f3 patterns. Remove drem_optab.
2514 * builtins.c (expand_builtin_mathfn_2): Handle
2515 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2516 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2517 expand_builtin_mathfn_2.
2519 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2520 depend on flag_unsafe_math_optimizations.
2522 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2523 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2524 Do not depend on flag_unsafe_math_optimizations. Use
2525 truncxf?f expander instead of truncxf?f_i387_noop.
2527 ("fpremxf4", "fprem1xf4"): Do not depend on
2528 flag_unsafe_math_optimizations.
2529 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2530 flag_unsafe_math_optimizations. Use truncxf?f expander
2531 instead of truncxf?f_i387_noop.
2533 * doc/md.texi (fmod, remainder): Document standard named pattern.
2535 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2536 David Daney <ddaney@avtrex.com>
2539 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2541 2006-10-25 Ben Elliston <bje@au.ibm.com>
2543 * doc/extend.texi (Variable Attributes): Typo fix.
2545 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2547 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2548 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2549 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2550 (FRAME_POINTER_REGNUM): Update register number to 21.
2551 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2552 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2554 * config/i386/i386.c (regclass_map): Add fpcr entry.
2555 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2557 (print_reg): Assert REGNO (x) != FPCR_REG.
2559 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2560 (DIRFLAG_REG): Renumber.
2561 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2562 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2563 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2564 hardcoded SSE register numbers.
2566 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2567 hardcoded MMX register numbers.
2569 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2572 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2573 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2575 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2576 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2577 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2578 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2580 2006-10-24 Richard Guenther <rguenther@suse.de>
2583 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2584 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2585 for deciding optimizations in consistency with fold-const.c
2586 (fold_builtin_unordered_cmp): Likewise.
2588 2006-10-24 Richard Guenther <rguenther@suse.de>
2590 * builtins.c (fold_builtin_floor): Fold floor (x) where
2591 x is nonnegative to trunc (x).
2592 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2593 nonnegative to FIX_TRUNC_EXPR.
2595 2006-10-24 Richard Guenther <rguenther@suse.de>
2597 PR tree-optimization/29567
2598 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2599 for TRUTH_NOT_EXPR. Clarify comments.
2601 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2604 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2605 at compile-time using MPFR. Change parameter VALUE to FUNC,
2607 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2608 for overflow and underflow at all times and avoid folding in
2611 2006-10-24 Ben Elliston <bje@au.ibm.com>
2613 * reload1.c: Formatting fixes.
2615 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2617 PR tree-optimization/14784
2618 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2619 * tree-ssa-structalias.c (get_constraint_for,
2620 intra_create_variable_infos): Set is_heapvar.
2621 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2622 non-heapvar pointer variables specially.
2624 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2627 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2628 fold_builtin_tan): Fold all constant arguments. Take a "type"
2629 argument as necessary.
2630 (do_mpfr_arg1): New.
2631 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2633 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2635 * config/xtensa/lib1funcs.asm: Use C-style comments.
2637 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2639 * tree.c (local_define_builtin): Replace calls to
2640 lang_hooks.builtin_function with add_builtin_function.
2641 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2643 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2645 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2646 common code to add_builtin_function.
2647 * langhooks.c (add_builtin_function): New function.
2648 (lhd_builtin_function): New function.
2649 * langhooks.h (struct lang_hooks): Change the signature of
2651 (add_builtin_function): New function.
2652 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2653 calls to lang_hooks.builtin_function with add_builtin_function.
2654 * c-common.c (decl_builtin_1): Replace calls to
2655 lang_hooks.builtin_function with add_builtin_function.
2656 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2657 lang_hooks.builtin_function with add_builtin_function.
2658 * config/frv/frv.c (def_builtin): Replace calls to
2659 lang_hooks.builtin_function with add_builtin_function.
2660 * config/s390/s390.c (s390_init_builtins): Replace calls to
2661 lang_hooks.builtin_function with add_builtin_function.
2662 * config/sparc/sparc.c (def_builtin): Replace calls to
2663 lang_hooks.builtin_function with add_builtin_function.
2664 * config/i386/i386.c (def_builtin): Replace calls to
2665 lang_hooks.builtin_function with add_builtin_function.
2666 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2667 lang_hooks.builtin_function with add_builtin_function.
2668 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2669 lang_hooks.builtin_function with add_builtin_function.
2670 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2671 Replace calls to lang_hooks.builtin_function with
2672 add_builtin_function.
2673 * config/iq2000/iq2000.c (def_builtin):
2674 Replace calls to lang_hooks.builtin_function with
2675 add_builtin_function.
2676 * config/ia64/ia64.c (def_builtin): Replace calls to
2677 lang_hooks.builtin_function with add_builtin_function.
2678 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2679 lang_hooks.builtin_function with add_builtin_function.
2680 (altivec_init_builtins): Replace calls to
2681 lang_hooks.builtin_function with add_builtin_function.
2682 * config/arm/arm.c (def_mbuiltin): Replace calls to
2683 lang_hooks.builtin_function with add_builtin_function.
2684 (arm_init_tls_builtins): Replace calls to
2685 lang_hooks.builtin_function with add_builtin_function.
2686 * config/mips/mips.c (mips_init_builtins): Replace calls to
2687 lang_hooks.builtin_function with add_builtin_function.
2688 * config/bfin/bfin.c (def_builtin): Replace calls to
2689 lang_hooks.builtin_function with add_builtin_function.
2690 * langhooks-def.h (lhd_builtin_function): New function.
2691 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2693 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2695 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2696 BUILT_IN_STRNCAT_CHK.
2698 2006-10-23 Jan Hubicka <jh@suse.cz>
2700 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2701 don't do conversion from memmove to memcpy here.
2702 (expand_builtin_bcopy, expand_builtin): Update call of
2703 expand_builtin_memmove.
2704 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2706 2006-10-23 Paul Brook <paul@codesourcery.com>
2708 * stor-layout.c (start_record_layout): maximum_field_alignment
2709 overrides STRUCTURE_SIZE_BOUNDARY.
2711 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2713 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2714 nonlocal function symbols if flag_pic.
2716 2006-10-23 Richard Guenther <rguenther@suse.de>
2720 * builtins.c (fold_binary): Remove checks for flag_wrapv
2721 and flag_trapv where negate_expr_p covers these cases.
2723 2006-10-23 Richard Guenther <rguenther@suse.de>
2726 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2727 of two on the absolute value.
2728 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2729 and negating -C does not overflow.
2731 2006-10-23 Richard Guenther <rguenther@suse.de>
2734 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2735 only if not flag_rounding_math.
2737 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2738 Kaz Kojima <kkojima@gcc.gnu.org>
2741 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2742 SImode memory reference for the source of a movua.
2743 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2744 (movua): Use an unspec instead of sign_extract. Expect the source
2745 to have mode BLKmode.
2746 (extv, insv): Use a BLKmode rather than SImode memory reference
2747 for the source of a movua.
2749 2006-10-22 Jeff Law <law@redhat.com>
2750 Richard Guenther <rguenther@suse.de>
2752 PR tree-optimization/15911
2753 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2754 (register_edge_assert_for_1): Likewise.
2755 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2756 (find_conditional_asserts): Adjust for new function signature.
2757 (find_assert_locations): Likewise.
2759 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2761 * config/i386/tmmintrin.h: Remove the duplicated content.
2763 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2765 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2766 (x86_64-*-*): Likewise.
2768 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2769 (override_options): Check SSSE3.
2770 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2771 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2772 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2773 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2774 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2775 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2776 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2777 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2778 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2779 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2780 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2781 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2782 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2783 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2784 IX86_BUILTIN_PABSD128.
2785 (bdesc_2arg): Add SSSE3.
2786 (bdesc_1arg): Likewise.
2787 (ix86_init_mmx_sse_builtins): Support SSSE3.
2788 (ix86_expand_builtin): Likewise.
2789 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2791 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2792 (UNSPEC_PSIGN): Likewise.
2793 (UNSPEC_PALIGNR): Likewise.
2794 Include mmx.md before sse.md.
2796 * config/i386/i386.opt: Add -mssse3.
2798 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2799 (ssse3_phaddwv4hi3): Likewise.
2800 (ssse3_phadddv4si3): Likewise.
2801 (ssse3_phadddv2si3): Likewise.
2802 (ssse3_phaddswv8hi3): Likewise.
2803 (ssse3_phaddswv4hi3): Likewise.
2804 (ssse3_phsubwv8hi3): Likewise.
2805 (ssse3_phsubwv4hi3): Likewise.
2806 (ssse3_phsubdv4si3): Likewise.
2807 (ssse3_phsubdv2si3): Likewise.
2808 (ssse3_phsubswv8hi3): Likewise.
2809 (ssse3_phsubswv4hi3): Likewise.
2810 (ssse3_pmaddubswv8hi3): Likewise.
2811 (ssse3_pmaddubswv4hi3): Likewise.
2812 (ssse3_pmulhrswv8hi3): Likewise.
2813 (ssse3_pmulhrswv4hi3): Likewise.
2814 (ssse3_pshufbv16qi3): Likewise.
2815 (ssse3_pshufbv8qi3): Likewise.
2816 (ssse3_psign<mode>3): Likewise.
2817 (ssse3_psign<mode>3): Likewise.
2818 (ssse3_palignrti): Likewise.
2819 (ssse3_palignrdi): Likewise.
2820 (abs<mode>2): Likewise.
2821 (abs<mode>2): Likewise.
2823 * config/i386/tmmintrin.h: New file.
2825 * doc/extend.texi: Document SSSE3 built-in functions.
2827 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2829 2006-10-22 Ira Rosen <irar@il.ibm.com>
2831 * tree-vect-transform.c (vectorizable_load): Use the type of the
2832 return value of the mask_for_load builtin to create realign_load
2835 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2837 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2840 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2842 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2843 (UNSPEC_LDDQU): This.
2844 * config/i386/sse.md (sse3_lddqu): Updated.
2846 2006-10-21 Richard Guenther <rguenther@suse.de>
2848 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2849 (expand_builtin): Use it to expand lrint instead of
2850 expand_builtin_mathfn.
2852 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2855 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2856 flag_unsafe_math_optimizations is set.
2858 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2861 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2862 patterns to use memory input operand in x87->mem->XMM
2863 reload sequences. Skip transformation for TARGET_K8.
2865 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2867 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2868 force operand1 to register if both operands are memory operands.
2869 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2870 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2871 if both operands are memory operands.
2872 (truncdfsf2): Do not force operand1 to register if both operands
2873 are memory operands.
2875 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2877 * Makefile.in (LIBS): Add $(GMPLIBS).
2878 * doc/install.texi: Update GMP and MPFR requirements.
2879 * doc/sourcebuild.texi (need_gmp): Delete.
2881 2006-10-21 Richard Guenther <rguenther@suse.de>
2883 PR tree-optimization/3511
2884 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2885 got new invariant arguments during PHI translation.
2887 2006-10-21 Richard Guenther <rguenther@suse.de>
2890 * fold-const.c (fold_comparison): Fold signed comparisons
2891 of the form X +- C1 CMP Y +- C2.
2893 2006-10-21 Richard Guenther <rguenther@suse.de>
2896 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2897 if flag_unsafe_math_optimizations is specified. We have
2898 flag_finite_math_only for that.
2899 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2900 or flag_unsafe_math_optimizations.
2902 2006-10-21 Richard Guenther <rguenther@suse.de>
2904 * builtins.c (fold_builtin_classify): Fix typo.
2906 2006-10-21 Richard Guenther <rguenther@suse.de>
2909 * simplify-rtx.c (simplify_const_relational_operation):
2910 Do not constant-fold ORDERED and UNORDERED for
2911 flag_unsafe_math_optimizations but only we do not need to
2912 honor NaNs for the given mode.
2914 2006-10-21 Richard Guenther <rguenther@suse.de>
2917 * config/i386/i386.c (classify_argument): Remove redundant
2918 walking of the BINFOs.
2919 (contains_128bit_aligned_vector_p): Likewise.
2921 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2923 * BASE-VER: Set to 4.3.0.
2925 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2927 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2928 (tree_decl_with_vis): Remove artificial_pta_var flag.
2929 * tree-flow.h (referenced_var_check_and_insert): Expose.
2930 (nonlocal_all): New prototype.
2931 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2932 (nonlocal_all): Make global.
2933 (nonlocal_lookup): Remove.
2934 (nonlocal_insert): Ditto.
2935 (create_nonlocal_var): Do not call nonlocal_insert.
2936 (get_nonlocal_id_for_type): Remove.
2937 (find_global_initializers): Mark new vars we find for renaming.
2938 (intra_create_variable_infos): Only create one nonlocal.
2939 (expand_nonlocal_solutions): Remove.
2940 (compute_points_to_sets): Don't call it.
2941 (ipa_pta_execute): Ditto.
2942 (init_alias_heapvars): Don't create nonlocal_for_type.
2943 (delete_alias_heapvars): Don't remove it.
2944 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2947 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2949 * doc/install.texi (Downloading GCC): Clarify mention of
2950 Fortran in the "full distribution" description.
2952 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2954 Fix PR tree-optimization/28778
2955 Fix PR tree-optimization/29156
2956 Fix PR tree-optimization/29415
2957 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2958 (tree_decl_with_vis): Add artificial_pta_var flag.
2959 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2960 pushed into callers.
2961 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2962 (nonlocal_all): Ditto.
2963 (struct variable_info): Add directly_dereferenced member.
2964 (var_escaped_vars): New variable.
2965 (escaped_vars_tree): Ditto.
2966 (escaped_vars_id): Ditto.
2967 (nonlocal_vars_id): Ditto.
2968 (new_var_info): Set directly_dereferenced.
2969 (graph_size): New variable
2970 (build_constraint_graph): Use graph_size.
2971 (solve_graph): Don't process constraints that cannot change the
2972 solution, don't try to propagate an empty solution to our
2974 (process_constraint): Set directly_dereferenced.
2975 (could_have_pointers): New function.
2976 (get_constraint_for_component_ref): Don't process STRING_CST.
2977 (nonlocal_lookup): New function.
2978 (nonlocal_insert): Ditto.
2979 (create_nonlocal_var): Ditto.
2980 (get_nonlocal_id_for_type): Ditto.
2981 (get_constraint_for): Allow results vector to be empty in the case
2982 of string constants.
2983 Handle results of calls properly.
2984 (update_alias_info): Update alias info stats on number and type of
2986 (find_func_aliases): Use could_have_pointers.
2987 (make_constraint_from_escaped): Renamed from
2988 make_constraint_to_anything, and changed to make constraints from
2990 (make_constraint_to_escaped): New function.
2991 (find_global_initializers): Ditto.
2992 (create_variable_info_for): Make constraint from escaped to any
2993 global variable, and from any global variable to the set of
2995 (intra_create_variable_infos): Deal with escaped instead of
2996 pointing to anything.
2997 (set_uids_in_ptset): Do type pruning on directly dereferenced
2999 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3000 (init_base_vars): Fix comment, and initialize escaped_vars.
3001 (need_to_solve): Removed.
3002 (find_escape_constraints): New function.
3003 (expand_nonlocal_solutions): Ditto.
3004 (compute_points_to_sets): Call find_escape_constraints and
3005 expand_nonlocal_solutions.
3006 (delete_points_to_sets): Don't fall off the end of the graph.
3007 (init_alias_heapvars): Initialize nonlocal_for_type and
3009 (delete_alias_heapvars): Free nonlocal_for_type and null out
3012 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3014 * fold-const.c (add_double): Rename to add_double_with_sign.
3015 Add 'unsigned_p' parameter and take it into account for the overflow.
3016 (mul_double): Rename to mul_double_with_sign.
3017 Add 'unsigned_p' parameter and take it into account for the overflow.
3018 (fold_div_compare): Call add_double_with_sign instead of add_double
3019 and mul_double_with_sign instead of mul_double, passing them the
3020 unsignedness of the type.
3021 * tree.h (add_double): Macroize.
3022 (add_double_with_sign): New prototype.
3023 (mul_double): Macroize.
3024 (mul_double_with_sign): New prototype.
3026 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3028 * config/score/crti.asm: New file.
3029 * config/score/crtn.asm: New file.
3030 * config/score/elf.h: New file.
3031 * config/score/mac.md: New file.
3032 * config/score/misc.md: New file.
3033 * config/score/mul-div.S: New file.
3034 * config/score/predicates.md: New file.
3035 * config/score/score7.md: New file.
3036 * config/score/score.c: New file.
3037 * config/score/score-conv.h: New file.
3038 * config/score/score.h: New file.
3039 * config/score/score.md: New file.
3040 * config/score/score-mdaux.c: New file.
3041 * config/score/score-mdaux.h: New file.
3042 * config/score/score-modes.def: New file.
3043 * config/score/score.opt: New file.
3044 * config/score/score-protos.h: New file.
3045 * config/score/score-version.h: New file.
3046 * config/score/t-score-elf: New file.
3047 * config.gcc: Add score*-*-* configurations(Update before).
3048 * doc/invoke.texi (Score Options): New section.
3049 * doc/md.texi (Score family): New section to document constraints.
3051 2006-10-19 Nick Clifton <nickc@redhat.com>
3053 * config/arm/arm.c: Fix spelling typo.
3055 2006-10-18 Tom Tromey <tromey@redhat.com>
3057 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3059 2006-10-18 Jan Hubicka <jh@suse.cz>
3062 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3065 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3067 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3068 TSI_SAME_STMT, since that's the desired entity.
3070 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3072 * config/s390/contraints.md: New file.
3073 * config/s390/s390-protos.h (s390_mem_constraint,
3074 s390_O_constraint_str, s390_N_constraint_str,
3075 s390_float_const_zero_p): Function prototypes added.
3076 * config/s390/s390.c (s390_extra_constraint_str,
3077 s390_const_double_ok_for_constraint_p,
3078 s390_const_ok_for_constraint_p): Functions removed.
3079 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3080 s390_float_const_zero_p): New functions.
3081 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3082 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3083 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3084 Macro definitions removed.
3085 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3086 s390_extra_constraint_str): Functions removed.
3088 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3089 Richard Sandiford <richard@codesourcery.com>
3092 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3093 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3095 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3097 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3098 (DWARF2_FRAME_REG_OUT): Likewise.
3099 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3100 (DWARF2_FRAME_REG_OUT): Likewise.
3102 2006-10-17 Paul Brook <paul@codesourcery.com>
3104 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3106 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3108 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3109 Standardize on "GNU Fortran" as the official name of the Fortran
3112 2006-10-16 Mike Stump <mrs@apple.com>
3114 * doc/invoke.texi (Darwin Options): Document -mkernel.
3115 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3117 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3118 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3119 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3120 (OS_MISSING_ALTIVEC): Add.
3121 * config/i386/i386.c (override_options): Add
3122 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3123 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3124 -mkernel, -static or -mdynamic-no-pic is given.
3125 (C_COMMON_OVERRIDE_OPTIONS): Add.
3126 * config/darwin.opt (fapple-kext): Add.
3128 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3129 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3131 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3132 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3133 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3134 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3135 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3136 (flag_mkernel): Add.
3137 (flag_apple_kext): Add.
3138 (TARGET_KEXTABI): Add.
3139 * config/darwin.c (darwin_handle_kext_attribute): Add.
3140 (DARWIN_VTABLE_P): Add.
3141 (darwin_binds_local_p): Add partial support for rebinding vtables
3143 (darwin_kextabi_p): Add.
3144 (darwin_override_options): Add.
3145 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3146 (darwin_kextabi_p): Add.
3147 (darwin_override_options): Add.
3148 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3149 __DYNAMIC__ and __STATIC__ here.
3151 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3153 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3154 Added mention of "make pdf" target, and Texinfo requirements for
3157 2006-10-16 DJ Delorie <dj@redhat.com>
3159 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3160 into the GOT in case we need a subreg of the address.
3162 2006-10-16 Richard Guenther <rguenther@suse.de>
3165 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3166 SSE builtin documentation. Document SSE2 builtins.
3168 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3170 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3171 symbol in the output file for non-shared links when -nostdlib or
3172 -nodefaultlibs isn't specified.
3174 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3175 posix thread support.
3177 2006-10-15 Jan Hubicka <jh@suse.cz>
3180 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3181 declared always_inline even when not inlining.
3183 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3184 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3185 Andrew Pinski <pinskia@gmail.com>
3188 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3190 2006-10-15 Jan Hubicka <jh@suse.cz>
3191 Richard Guenther <rguenther@suse.de>
3194 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3195 process_function_and_variable_attributes on all variables, including
3196 those discovered during cgraph construction phase.
3198 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3200 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3202 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3204 * config/i386/athlon.md (athlon_fist): Add fisttp.
3206 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3207 Ian Lance Taylor <ian@airs.com>
3210 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3211 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3214 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3216 * config/score/score.c, config/score/score.h: Fix comment
3219 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3222 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3225 2006-10-13 Eric Christopher <echristo@apple.com>
3227 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3229 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3232 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3233 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3234 alignment supported by 32-bit ELF.
3236 2006-10-13 Eric Christopher <echristo@apple.com>
3238 * config/darwin.c (darwin_emit_unwind_label): Strip
3239 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3241 2006-10-13 Richard Guenther <rguenther@suse.de>
3243 PR tree-optimization/29446
3244 * tree-vrp.c (fix_equivalence_set): Remove.
3245 (extract_range_from_assert): Do not call fix_equivalence_set.
3246 (debug_value_range): Print a newline.
3247 (compare_name_with_value): For equivalence sets with
3248 inconsistent value ranges conservatively bail out.
3249 (compare_names): Likewise.
3251 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3253 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3254 and MPFR for gfortran.
3256 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3258 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3259 alignment supported by 32-bit ELF.
3261 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3265 * c-typeck.c (digest_init): Always allow initializing vectors
3266 that have static storage duration with compound literals.
3267 * tree.c (build_type_attribute_qual_variant): New, based on
3268 build_type_attribute_variant.
3269 (build_type_attribute_variant): Rewrite using the former.
3270 (make_vector_type): Use build_type_attribute_qual_variant to build
3271 type variants. Use type_hash_canon on the others.
3273 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3274 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3276 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3278 2006-10-12 Jan Hubicka <jh@suse.cz>
3281 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3282 current_function_decl is set but current_function_scope is not.
3284 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3286 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3287 emit_insn to emit eh_return_internal instruction.
3288 (eh_return_internal): Explicitly set pc.
3290 2006-10-11 Richard Guenther <rguenther@suse.de>
3292 PR tree-optimization/28230
3293 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3294 to the correct place.
3296 2006-10-11 Richard Guenther <rguenther@suse.de>
3299 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3302 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3304 * configure.ac: Added pdf to "Make-hooks"
3305 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3306 targets and *.pdf file patterns in cleanup targets.
3307 * configure: Regenerated.
3309 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3311 * config/avr/predicates.md: New file.
3312 * config/avr/avr.md: Include it.
3313 (REG_SP): New constant.
3314 (peepholes): Use predicates.
3315 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3316 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3317 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3319 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3321 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3324 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3327 * builtins.c (var_decl_component_p): New function.
3328 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3329 single entry optimization to variables and components thereof.
3331 2006-10-10 Richard Guenther <rguenther@suse.de>
3333 PR rtl-optimization/29323
3334 * except.c (set_nothrow_function_flags): For functions
3335 that do not bind local bail out early.
3337 2006-10-10 Ben Elliston <bje@au.ibm.com>
3339 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3342 2006-10-09 Richard Henderson <rth@redhat.com>
3344 Revert emutls patch.
3346 2006-10-09 Richard Guenther <rguenther@suse.de>
3349 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3352 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3355 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3356 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3357 * configure: Regenerate.
3358 * config.in: Regenerate.
3360 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3362 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3364 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3366 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3367 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3368 Remove stray newline.
3370 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3372 * config/mips/mips.c (mips_classify_symbol): Do not return
3373 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3374 (mips_in_small_data_p): Tweak comments.
3376 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3378 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3380 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3382 * gimplify.c, sched-int.h: Fix comment typos.
3384 * sched-int.h: Fix comment typos.
3386 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3388 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3390 * sched-ebb.c (begin_schedule_ready): Use them.
3391 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3392 add_to_speculative_block, create_check_block_twin, speculate_insn,
3393 fix_jump_move, move_block_after_check): Ditto.
3394 * sched-rgn.c (new_ready): Ditto.
3396 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3398 PR rtl-optimization/29128
3399 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3400 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3401 allow interblock movement of speculation checks.
3403 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3406 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3407 casted to integer type.
3408 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3409 if they are significantly more expensive than [reg + index] ones.
3411 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3413 PR tree-optimization/29330
3414 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3415 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3416 on newly allocated ddrs.
3417 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3418 to VEC (loop_p, heap) pointer.
3419 (compute_data_dependences_for_loop): Adjust caller.
3420 (free_dependence_relations): Free DDR_LOOP_NEST.
3422 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3423 free DEPENDENCE_RELATIONS and DATAREFS.
3426 * builtins.c (expand_builtin_sync_operation,
3427 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3428 Use convert_to_mode to handle promoted arguments.
3430 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3432 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3434 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3436 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3438 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3440 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3441 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3442 Use <modeconstraint> instead of "r" as operand 1 constraint.
3444 2006-10-06 Olivier Hainque <hainque@adacore.com>
3446 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3447 Don't recurse on the pointed-to type.
3448 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3449 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3450 types with components of variable size.
3452 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3454 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3456 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3458 PR tree-optimization/29290
3459 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3463 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3464 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3467 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3468 the number of vector elements fill the rest with zeros.
3470 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3472 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3473 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3476 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3478 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3479 unnamed pattern into subsi3. Use correct constraints/predicates.
3480 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3481 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3483 2006-10-05 Ira Rosen <irar@il.ibm.com>
3485 * doc/loop.texi: Add data references analysis description.
3487 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3489 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3491 2006-10-04 Richard Henderson <rth@redhat.com>
3492 Jakub Jelinek <jakub@redhat.com>
3494 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3495 * builtin-types.def (BT_WORD): Make unsigned.
3496 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3497 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3498 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3499 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3500 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3501 * cgraph.c (decide_is_variable_needed): Look at force_output.
3502 Recurse for emulated tls.
3503 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3504 checks redundant with decide_is_variable_needed.
3505 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3506 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3508 * expr.c (emutls_var_address): New.
3509 (expand_expr_real_1): Expand emulated tls.
3510 (expand_expr_addr_expr_1): Likewise.
3511 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3512 * output.h (emutls_finish): Declare.
3513 * toplev.c (compile_file): Call it.
3514 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3515 address before wrapping in CONST.
3516 * varasm.c (emutls_htab, emutls_object_type): New.
3517 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3518 (get_emutls_object_name, get_emutls_object_type): New.
3519 (get_emutls_init_templ_addr, emutls_decl): New.
3520 (emutls_common_1, emutls_finish): New.
3521 (assemble_variable): When emulating tls, swap decls; generate
3522 constructor for the emutls objects.
3523 (do_assemble_alias): When emulating tls, swap decl and target name.
3524 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3526 * emutls.c: New file.
3527 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3528 tls_object for real tls.
3530 2006-10-04 Zack Weinberg <zackw@panix.com>
3532 Fix bug in constraint-check generator, reported by Rask Ingemann
3534 * genpreds.c (add_constraint): Don't remove anything from the
3536 (write_tm_constrs_h): Detect whether "op" argument is used, and
3537 mark it ARG_UNUSED if it isn't.
3538 (write_insn_const_int_ok_for_constraint): Skip the part of the
3539 expression that would test whether "op" (which is not available
3540 here) is a CONST_INT.
3542 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3545 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3547 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3549 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3550 current Leopard versions.
3551 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3553 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3555 * doc/install.texi: Fix typos.
3557 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3559 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3560 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3561 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3563 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3565 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3566 arg to be struct mach_header_64* instead.
3568 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3571 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3572 side effects after the outer expression's post side effects.
3574 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3576 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3577 comments to reflect actual behavior and relationship between
3578 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3580 * doc/c-tree.texi (Working with declarations): Fix documentation
3581 of FIELD_DECL likewise.
3583 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3586 * doc/extend.texi: Add used variable attribute description.
3588 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3591 * c.opt (Woverride-init): New.
3592 * c-opts.c (c_common_post_options): Default warn_override_init to
3594 * c-typeck.c (add_pending_init, output_init_element): Warn for
3595 overriding initializers without side effects.
3596 * doc/invoke.texi (-Woverride-init): Document.
3599 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3601 PR rtl-optimization/28096
3602 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3603 assignment has already been used as a destination earlier in the block.
3605 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3607 * builtins.c (expand_builtin_setjmp): Delete.
3608 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3609 <BUILT_IN_SETJMP_SETUP>: New case.
3610 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3611 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3612 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3613 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3614 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3615 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3616 (lower_function_body): Initialize it to false. If it is set to true
3617 at the end of the processing, emit the setjmp dispatcher.
3618 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3619 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3620 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3621 on the rhs of the assignment.
3622 (lower_builtin_setjmp): New function.
3623 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3624 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3625 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3626 to detect calls that can go to non-local labels. Use specific
3627 helper to create the abnormal edges associated with them.
3628 <MODIFY_EXPR>: Likewise.
3629 (make_abnormal_goto_edges): New function extracted from...
3630 (make_goto_expr_edges): ...here. Call it for computed gotos.
3631 (simple_goto_p): Minor tweak.
3632 (tree_can_make_abnormal_goto): New predicate.
3633 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3634 (tree_purge_dead_abnormal_call_edges): New function.
3635 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3636 (tree_purge_dead_abnormal_call_edges): Likewise.
3637 (make_abnormal_goto_edges): Likewise.
3638 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3639 Purge all dead abnormal edges if the call was in the last statement.
3640 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3641 (execute_fixup_cfg): If there are non-local labels in the function,
3642 scan the basic blocks and split them at calls that can go to non-local
3643 labels or add missing abnormal call edges. Write down the CFG in the
3645 (pass_fixup_cfg): Remove TODO_dump_func flag.
3646 * unwind-sjlj.c: Poison setjmp.
3647 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3648 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3649 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3650 (DONT_USE_BUILTIN_SETJMP): Document it.
3652 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3655 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3656 to 1 when __ppc64__ is defined.
3657 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3659 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3661 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3663 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3664 * config/ia64/unwind-hpux.c: Delete.
3666 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3668 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3669 on the element before gimplifying it, instead of punting if it is of
3672 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3674 * doc/loop.texi: New file.
3675 * doc/gccint.texi: Reference loop.texi.
3676 * Makefile.in (loop.texi): Add.
3678 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3680 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3682 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3683 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3685 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3687 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3689 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3691 * doc/install.texi: Document required versions of GMP and MPFR.
3693 2006-09-27 Paul Brook <paul@codesourcery.com>
3696 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3698 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3700 * reload1.c (alter_reg): Require the alignment of the stack slot to
3701 be at least reg_max_ref_width bytes.
3702 (scan_paradoxical_subregs): Record the largest width in
3705 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3709 * tree-nested.c (struct nesting_info): Added static_chain_added.
3710 (convert_call_expr): Set static_chain_added when adding static
3711 chain. Handle OMP_PARALLEL and OMP_SECTION.
3713 2006-09-25 Matthias Klose <doko@debian.org>
3715 * doc/invoke.texi: Add missing full stop.
3717 2006-09-25 Richard Henderson <rth@redhat.com>
3719 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3720 before cgraph_function_flags_ready.
3722 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3723 Adam Nemet <anemet@caviumnetworks.com>
3725 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3726 determine_common_wider_type): New functions.
3727 (get_computation_aff): Use them to simplify arithmetic between
3728 UBASE and CBASE if they are shortened from the same type.
3730 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3733 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3734 -2147483647 - 1 instead of 0x80000000.
3736 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3738 * flags.h (HONOR_NANS): Fix typo in comment.
3740 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3742 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3744 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3748 * tree.c (merge_attributes, attribute_list_contained): If both
3749 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3751 * c-typeck.c (comptypes_internal): Don't consider aggregates
3752 in different TUs as compatible if there one set of attributes is
3753 not a subset of the other type's attributes.
3754 (composite_type): Try harder not to create a new aggregate type.
3756 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3758 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3759 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3760 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3761 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3762 than replicating condition above.
3763 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3765 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3766 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3767 the linker by default.
3769 2006-09-22 Mike Stump <mrs@apple.com>
3771 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3774 2006-09-22 Richard Guenther <rguenther@suse.de>
3777 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3778 sort of stack variables stable.
3780 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3783 * explow.c (force_reg): Set REG_POINTER flag according to
3786 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3788 PR tree-optimization/28888
3789 * tree-if-conv.c (combine_blocks): Rewritten.
3790 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3791 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3793 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3795 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3798 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3800 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3802 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3804 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3806 2006-09-21 Roger Sayle <roger@eyesopen.com>
3809 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3810 dw_fde_current_label, to be the start of the function, i.e. the same
3811 value as dw_fde_begin.
3813 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3815 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3816 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3817 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3818 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3819 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3820 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3821 (abs<mode>2, neg<mode>2): Likewise.
3822 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3823 (*mips_abs_ps): New define_insn.
3825 2006-09-20 Josh Conner <jconner@apple.com>
3828 * calls.c (expand_call): Allow reuse of structure return stack
3831 2006-09-20 Paul Brook <paul@codesourcery.com>
3833 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3836 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3838 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3839 clean up terminology.
3841 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3844 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3845 with tablejumps in them.
3847 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3850 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3851 wrap it into TARGET_EXPR.
3853 2006-09-20 Eric Christopher <echristo@apple.com>
3855 * config/i386/i386.c (x86_fisttp): Remove.
3856 * config/i386/i386.h (x86_fisttp): Ditto.
3857 (TARGET_FISTTP): Ditto.
3859 2006-09-19 Eric Christopher <echristo@apple.com>
3861 * doc/tm.texi (OBJC_JBLEN): Describe.
3862 * config/i386/darwin.h (OBJC_JBLEN): Define.
3863 * config/rs6000/darwin.h: Ditto.
3865 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3867 PR rtl-optimization/21299
3868 * reload1.c (reload): Purge invalid ASMs in the final pass.
3870 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3873 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3874 pointers as legitimate constants.
3876 2006-09-19 Paul Brook <paul@codesourcery.com>
3879 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3881 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3883 PR tree-optimization/28887
3884 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3885 component parts from the reference.
3886 (gather_memory_references_ref): Record the reference without the
3887 nonaddressable component parts.
3889 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3892 * c-opts.c (c_common_handle_option): Ignore the -std options
3893 if the input language is assembly.
3895 2006-09-17 Ira Rosen <irar@il.ibm.com>
3898 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3900 (ptr_ptr_may_alias_p): Likewise.
3901 (record_record_differ_p): New function.
3902 (base_object_differ_p): Call record_record_differ_p.
3904 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3907 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3908 away for the expr argument.
3910 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3913 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3914 before using it for dumping after vectorizing loops.
3916 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3917 Jack Howarth <howarth@bromo.med.uc.edu>
3920 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3921 skip on error_mark_node.
3922 (rs6000_darwin64_record_arg_recurse): Likewise.
3924 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3926 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3927 * doc/rtl.texi: Remove related documentation.
3929 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3931 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3934 2006-09-15 Jim Wilson <wilson@specifix.com>
3936 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3937 Handle symbol offsets same as they are handled in ia64_expand_move
3940 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3942 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3943 Add forgotten parameter to the fprintf call.
3945 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3947 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3949 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3951 * doc/contrib.texi: Add my entry.
3953 2006-09-15 Nick Clifton <nickc@redhat.com>
3955 * doc/md.texi (Processor pipeline description): Fix typo in
3956 example of how to use the absence_set directive and reword the
3957 description to make it slightly easier to read.
3959 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3961 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3962 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3963 expanding the number of iterations.
3964 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3966 * cfgrtl.c (emit_insn_at_entry): New function.
3967 * rtl.h (emit_insn_at_entry): Declare it.
3968 * integrate.c (emit_initial_value_sets): Use it.
3970 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3972 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3974 (struct loop_work and related VEC declarations): Delete.
3975 (bfin_dump_loops): Print out new member bad.
3976 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3977 (bfin_scan_loop): Don't recurse.
3978 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3979 loops. No longer need to update outer loops if the current one is
3980 found bad. Move some validitiy checks to bfin_discover_loop.
3981 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3982 but changed not to check for nesting. Also changed to use the new bad
3984 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3985 time. Use bitmap based test to discover loop nesting.
3987 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3989 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3992 2006-09-14 Richard Guenther <rguenther@suse.de>
3993 Kazu Hirata <kazu@codesourcery.com>
3995 PR middle-end/28884.
3996 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3997 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3998 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3999 with TARGET_FUNCTION_VALUE.
4001 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4004 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4006 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4008 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4011 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4014 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4017 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4019 * basic_block.h (bb_has_eh_pred): Fix comment.
4021 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4023 * flow.c (calculate_global_regs_live): Invalidate eh registers
4024 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4025 (propagate_block): Handle eh registers as if they were set at basic
4027 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4029 * global.c (global_conflicts): Make eh registers to conflict with
4030 pseudos live at basic block begin.
4031 * basic_block.h (bb_has_eh_pred): New function.
4033 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4035 PR rtl-optimization/28982
4036 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4037 index of a PRE_MODIFY or POST_MODIFY address.
4038 * reload1.c (inc_for_reload): Use find_replacement on the original
4039 base and index registers.
4041 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4043 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4044 for -Os. Update __m128 alignment requirement.
4046 2006-09-13 Jan Hubicka <jh@suse.cz>
4048 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4050 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4052 PR rtl-optimization/28243
4053 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4054 the insn to which the note was originally attached.
4056 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4057 Roger Sayle <roger@eyesopen.com>
4059 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4060 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4061 on platforms that don't use dwarf for debug info.
4063 2006-09-12 Jason Merrill <jason@redhat.com>
4066 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4067 hard_frame_pointer_rtx after using it to update the frame pointer.
4069 2006-09-12 Roger Sayle <roger@eyesopen.com>
4071 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4072 (TARGET_ASM_CLOSE_PAREN): Likewise.
4073 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4074 (TARGET_ASM_CLOSE_PAREN): Likewise.
4076 2006-09-12 Roger Sayle <roger@eyesopen.com>
4079 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4080 frame information for frames larger than 512 Kbytes on Tru64 when
4081 using the native assembler.
4083 2006-09-12 Roger Sayle <roger@eyesopen.com>
4087 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4088 and symbols. Instead use the implementation from cse.c's hash_rtx.
4090 2006-09-12 Jan Hubicka <jh@suse.cz>
4092 PR rtl-optimization/28071
4093 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4094 (vect_transform_loop): Likewise.
4095 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4096 (new_loop_vec_info): Likewise.
4097 (destroy_loop_vec_info): Likewise.
4098 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4099 (create_stmt_ann): Likewise.
4100 (create_tree_ann): Rename to ...
4101 (create_tree_common_ann): ... this one; allocate only the common part
4103 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4104 (get_value_handle): Likewise.
4105 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4106 get_tree_common_ann.
4107 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4108 (vinfo_for_stmt): Use stmt annotations.
4109 * tree-flow.h (tree_ann_common_t): New type.
4110 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4111 (tree_ann, get_tree_ann, create_tree_ann): New.
4112 * tree-flow-inline.h (get_function_ann): Do more type checking.
4113 (stmt_ann): Likewise.
4114 (tree_ann): Rename to ...
4115 (tree_common_ann): ... this one; return ony common_ann
4116 (get_tree_ann): Rename to ...
4117 (tree_common_ann): This one; return only common_ann.
4118 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4121 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4123 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4124 with_cpu by default.
4126 * dwarf2out.c (dwarf_file_data): New.
4127 (enum dw_val_class): Add dw_val_class_file.
4128 (struct dw_val_struct): Add val_file.
4129 (file_table): Change to a hash table.
4130 (file_table_emitted): Delete.
4131 (file_table_last_lookup_index): Delete.
4132 (emitcount): Delete.
4133 (last_emitted_file): New.
4134 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4135 (init_file_table): Delete.
4136 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4137 (AT_addr): Add comment.
4141 (print_die): Handle dw_val_class_file.
4142 (print_dwarf_line_table): Update for new file table structure.
4143 (attr_checksum): Do checksum a filename.
4144 (same_dw_val_p, same_attr_p): Do compare a filename.
4145 (size_of_die): Handle dw_val_class_file.
4146 (value_format): Likewise.
4147 (output_die): Likewise. Also, call maybe_emit_file here.
4148 (struct file_info): Constify filenames. Make file_idx a pointer
4149 to a struct dwarf_file_data.
4150 (struct dir_info): Constify directory names. Remove 'used' field.
4151 (struct file_name_acquire_data): New.
4152 (file_name_acquire): New.
4153 (output_file_names): Modify to handle new file data structures.
4154 (add_src_coords_attributes): Use add_AT_file.
4155 (add_call_src_coords_attributes): Likewise.
4156 (dwarf2out_imported_module_or_decl): Likewise.
4157 (gen_subprogram_die): Modify for new file data structures.
4158 (gen_variable_die): Likewise.
4159 (file_table_eq): New.
4160 (file_table_hash): New.
4161 (file_table_last_lookup): New.
4162 (lookup_filename): Rewrite to handle new file data structures.
4163 (maybe_emit_file): Rewrite to handle new file data structures.
4164 (dwarf2out_source_line): Always call lookup_filename and
4166 (dwarf2out_init): Create file_table here.
4167 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4168 (file_table_relative_p): New.
4169 (dwarf2out_finish): Change detection of relative filenames
4170 to work with new file data structures. Move output_line_info call
4171 after debug_info output.
4173 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4178 * config/i386/i386.c (override_options): Always default to 16
4179 byte stack boundary.
4181 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4184 * var-tracking.c (dump_dataflow_set): Start dumping at
4186 (clobber_variable_part): Kill only the variable part in
4187 registers holding it, leaving other variables alone.
4189 2006-09-11 Josh Triplett <josh@freedesktop.org>
4191 * doc/extend.texi (Other Builtins): Actually use the macro
4192 argument in the documentation example for
4193 __builtin_types_compatible_p.
4195 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4197 PR rtl-optimization/28726
4198 * sched-deps.c (sched_analyze_reg): New function extracted from...
4199 (sched_analyze_1): ...here. Call it to analyze references to
4200 registers. Treat again writes to a stack register as writing to the
4202 (sched_analyze_2): ...and here. Call it to analyze references to
4203 registers. Treat again reads of a stack register as reading the
4206 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4207 David Edelsohn <edelsohn@gnu.org>
4210 * config/rs6000/spe.md (frob_df_di): Remove %H.
4211 (frob_di_df): Remove %H. Change evmergelo to mr.
4212 (frob_di_df_2): Remove %H. Change evldd to two loads.
4214 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4216 * doc/cpp.texi: Fix names of charset options.
4218 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4221 * config/i386/i386.c (override_options): Use 128-bit
4222 stack boundary always for 64bits.
4224 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4226 PR rtl-optimization/28636
4227 * combine.c (force_to_mode): Test for side-effects before
4228 substituting by zero.
4229 (simplify_shift_const): Likewise for zero or other constants.
4231 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4234 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4237 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4240 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4241 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4242 returned by mode_for_size, rather than the mode of src itself,
4243 to choose between 32-bit and 64-bit patterns.
4244 (mips_mem_fits_mode_p): New function.
4245 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4246 that the size of the source matches the size of the destination.
4247 (mov_<store>l, mov_<store>r): Likewise.
4249 2006-09-10 Eric Christopher <echristo@apple.com>
4251 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4254 2006-09-09 Eric Christopher <echristo@apple.com>
4257 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4260 2006-09-09 Roger Sayle <roger@eyesopen.com>
4261 Nicolas Setton <setton@adacore.com>
4263 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4265 2006-09-10 Andreas Schwab <schwab@suse.de>
4267 * config/m68k/m68k.md (bungt_rev): New pattern.
4269 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4270 Dale Johannesen <dalej@apple.com>
4273 * regclass.c (struct reg_pref): Update documentation.
4274 (regclass): Set prefclass to NO_REGS if memory is the best option.
4275 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4277 2006-09-08 Eric Christopher <echristo@apple.com>
4279 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4280 * config/t-slibgcc-darwin: Support x86_64 multilib.
4281 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4282 Return 1 for x86_64-darwin.
4283 * config/i386/t-darwin: Add m64 multilib.
4284 (LIB2_SIDITI_CONV_FUNCS): Use.
4285 (LIB2FUNCS_EXTRA): Ditto.
4286 * config/i386/darwin.h: Support x86_64.
4287 * config/i386/i386.c (override_options): Turn on flag_pic
4288 for x86_64-darwin. Disable flag_omit_pointer.
4289 (get_pc_thunk_name): Assert !TARGET_64BIT.
4290 (legitimate_address_p): Disable machopic addressing for
4292 (legitimize_pic_address): Ditto.
4293 (ix86_expand_move): Ditto.
4294 (ix86_expand_call): Ditto.
4295 (machopic_output_stub): Ditto.
4296 * config/darwin.c (machopic_select_section): Support literal16.
4297 (machopic_select_rtx_section): Ditto.
4298 * config/darwin-sections.def: Ditto.
4299 * config/darwin-64.c: New.
4301 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4304 * c-tree.h (struct c_arg_info): Add pending_sizes.
4305 * c-parser.c (c_parser_parms_declarator,
4306 c_parser_parms_list_declarator): Initialize pending_sizes.
4307 * c-decl.c (get_parm_info): Initialize pending_sizes.
4308 (get_parm_info): Set pending_sizes.
4309 (grokdeclarator): Call put_pending_sizes for parameters for
4310 function definition only.
4312 2006-09-07 Jason Merrill <jason@redhat.com>
4315 * varasm.c (output_constant): Only strip actual no-op conversions.
4318 * config/i386/i386.c (override_options): Use 128-bit
4319 stack boundary if -msse.
4321 2006-09-07 Eric Christopher <echristo@apple.com>
4323 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4325 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4328 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4330 * dwarf2out.c: Remove strange characters from comment above
4331 dwarf2out_frame_debug_expr.
4333 2006-09-07 Eric Christopher <echristo@apple.com>
4335 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4336 * config/darwin.h: ... to here.
4338 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4340 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4342 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4343 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4345 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4346 TARGET_PARTIAL_FLAG_REG_STALL.
4347 (*ashldi3_cconly_rex64): Likewise.
4348 (*ashlsi3_cmp): Likewise.
4349 (*ashlsi3_cconly): Likewise.
4350 (*ashlsi3_cmp_zext): Likewise.
4351 (*ashlhi3_cmp): Likewise.
4352 (*ashlhi3_cconly): Likewise.
4353 (*ashlqi3_cmp): Likewise.
4354 (*ashlqi3_cconly): Likewise.
4355 (*ashrdi3_cmp_rex64): Likewise.
4356 (*ashrdi3_cconly_rex64): Likewise.
4357 (*ashrsi3_cmp): Likewise.
4358 (*ashrsi3_cconly): Likewise.
4359 (*ashrsi3_cmp_zext): Likewise.
4360 (*ashrhi3_cmp): Likewise.
4361 (*ashrhi3_cconly): Likewise.
4362 (*ashrqi3_cmp): Likewise.
4363 (*ashrqi3_cconly): Likewise.
4364 (*lshrdi3_cmp_rex64): Likewise.
4365 (*lshrdi3_cconly_rex64): Likewise.
4366 (*lshrsi3_cmp): Likewise.
4367 (*lshrsi3_cconly): Likewise.
4368 (*lshrsi3_cmp_zext): Likewise.
4369 (*lshrhi3_cmp): Likewise.
4370 (*lshrhi3_cconly): Likewise.
4371 (*lshrqi2_cmp): Likewise.
4372 (*lshrqi2_cconly): Likewise.
4374 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4377 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4378 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4379 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4380 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4381 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4382 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4383 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4384 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4385 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4386 implement only CC setting effects of shift instructions.
4388 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4390 * doc/contrib.texi: Add myself.
4392 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4395 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4396 was set by the user.
4398 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4401 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4402 (divsi_inv_m1): Use them.
4403 (UNSPEC_DIV_INV_TABLE): New constant.
4405 2006-09-06 James E Wilson <wilson@specifix.com>
4408 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4409 then call count_or_remove_death_notes.
4411 2006-09-06 Jason Merrill <jason@redhat.com>
4414 * tree-inline.c (copy_result_decl_to_var): New fn.
4415 (declare_return_variable): Use it. Call declare_inline_vars here.
4416 (expand_call_inline): Not here.
4418 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4420 * doc/contrib.texi: Update my entry.
4422 2006-09-06 Nick Clifton <nickc@redhat.com>
4424 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4426 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4429 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4430 (canonicalize_induction_variables): Likewise.
4431 (tree_unroll_loops_completely): Likewise.
4432 (tree_ssa_prefetch_arrays): Likewise.
4433 (remove_empty_loops): Likewise.
4434 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4435 TODO_cleanup_cfg instead of directly calling
4436 cleanup_tree_cfg_loop.
4437 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4439 (tree_unroll_loops_completely): Likewise.
4440 (remove_empty_loops): Likewise.
4441 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4442 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4443 of tree_ssa_unswitch_loops.
4444 (tree_ssa_loop_ivcanon): Use the return value of
4445 canonicalize_induction_variables.
4446 (tree_ssa_empty_loop): Use the return value of
4448 (tree_complete_unroll): Use the return value of
4449 tree_unroll_loops_completely.
4450 (tree_ssa_loop_prefetch): Use the return value of
4451 tree_ssa_prefetch_arrays.
4452 * passes.c (execute_todo): Before Cleanup CFG, set
4453 updating_used_alone and after cleanup CFG, call
4454 recalculate_used_alone.
4456 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4459 * tree-vect-transform.c (vectorizable_condition): Move the check
4460 for the type after the check for simple condition.
4462 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4463 Kaz Kojima <kkojima@gcc.gnu.org>
4466 * mode-switching.c (optimize_mode_switching): Make the destination
4467 block of an abnormal edge have no anticipatable mode. Don't
4468 insert mode switching code at the end of the source block of
4471 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4473 PR rtl-optimization/26847
4474 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4475 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4476 (simplify_plus_minus): Count n_constants while filling ops. Replace
4477 qsort with insertion sort. Before going through the array to simplify
4478 pairs, sort it. Delay early exit until after the first sort, exiting
4479 only if no swaps occurred. Simplify pairs in reversed order, without
4480 special-casing the first iteration. Pack ops after simplifying pairs.
4482 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4484 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4485 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4486 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4487 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4489 2006-09-05 Richard Guenther <rguenther@suse.de>
4491 PR tree-optimization/28900
4492 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4493 compound conditional before creating COND_EXPR condition.
4495 2006-09-05 Richard Guenther <rguenther@suse.de>
4497 PR tree-optimization/28905
4498 * tree-vrp.c (fix_equivalence_set): Manually implement
4499 !value_ranges_intersect_p to also handle symbolic ranges.
4501 2006-09-05 Richard Guenther <rguenther@suse.de>
4504 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4507 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4509 PR rtl-optimization/27616
4510 * cse.c (table_size): New static variable.
4511 (new_basic_block): Initialize it to 0.
4512 (remove_from_table): Decrement it.
4513 (insert): Increment it.
4514 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4515 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4516 fold_rtx_mem_1 if under the cap.
4517 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4518 the lookup of the equivalent expression and test for equality of the
4519 first operand of the equivalent expression before in turn looking up
4520 an equivalent constant for the second operand.
4522 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4525 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4526 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4527 pointer, instead of assuming it is possible to derive the
4528 correct args size from a call insn.
4530 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4533 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4534 (fold_builtin_mempcpy): Rename to...
4535 (fold_builtin_memory_op): ... this. Optimize one element copy
4537 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4539 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4540 (expand_builtin_memcpy, expand_builtin_mempcpy,
4541 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4542 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4543 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4544 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4546 2006-09-01 DJ Delorie <dj@redhat.com>
4548 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4549 (stzx_16): Likewise.
4550 ("stzx_24_<mode>"): Likewise.
4551 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4552 ("cmp<mode>_op"): New.
4553 (cmp<mode>): Change to expander; just save operands.
4555 (b<code>): Change to expander, emit compare here.
4556 (s<code>_op): Change to use split and expander.
4557 (s<code>_24_op): Likewise.
4558 (s<code>_<mode>): New.
4559 (s<code>_<mode>_24): New.
4560 (movqicc_<code>_<mode): New.
4561 (movhicc_<code>_<mode>): New.
4564 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4565 (m32c_pend_compare): New.
4566 (m32c_unpend_compare): New.
4567 (m32c_expand_scc): New.
4568 (m32c_expand_movcc): Emit the compare also.
4569 * config/m32c/predicates.md (mra_nopp_operand): New.
4571 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4572 Richard Guenther <rguenther@suse.de>
4573 Adam Nemet <anemet@caviumnetworks.com>
4576 * builtins.c (get_pointer_alignment): Handle more forms
4577 of base addresses that can be used to derive more precise
4578 information about alignment.
4580 2006-09-01 Jason Merrill <jason@redhat.com>
4583 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4586 * gimplify.c (voidify_wrapper_expr): Handle null type.
4588 2006-09-01 Josh Conner <jconner@apple.com>
4591 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4592 (execute_return_slot_opt): Use it.
4594 2006-08-31 Josh Conner <jconner@apple.com>
4597 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4598 returning aggregates.
4600 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4602 PR tree-optimization/28839
4603 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4604 blocks in that phi arguments appear.
4606 2006-08-31 Roger Sayle <roger@eyesopen.com>
4609 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4610 NULL, otherwise use an advance_loc4 to adjust relative to the
4612 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4613 (dwarf2out_switch_text_section): Reset the current label to avoid
4614 using advance_loc4 over section boundaries.
4616 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4619 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4620 r12 + SYMBOLIC_CONST.
4622 2006-08-30 Richard Guenther <rguenther@suse.de>
4624 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4626 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4628 PR rtl-optimization/27735
4629 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4630 Add new argument to keep track of whether an irreducible region
4631 was affected. All callers changed.
4632 (fix_irreducible_loops): Removed.
4633 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4634 flags were invalidated.
4636 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4638 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4639 instead of SF operands.
4640 (*fop_df_comm_sse): Likewise.
4641 (*fop_df_comm_i387): Likewise.
4642 (*fop_df_1_mixed): Likewise.
4643 (*fop_df_1_sse): Likewise.
4645 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4646 J"orn Rennecke <joern.rennecke@st.com>
4648 PR tree-optimization/17506
4649 * tree-ssa.c (warn_uninit): If warning about a location outside of
4650 the current function, note where the variable was declared.
4652 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4654 PR tree-optimization/28411
4655 * double-int.c (double_int_div): Use double_int_divmod.
4656 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4657 double_int_mod, double_int_smod, double_int_umod): New functions.
4658 * double-int.h (double_int_divmod, double_int_sdivmod,
4659 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4661 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4663 (get_computation_aff, get_computation_cost_at): Handle double_int
4664 return type of constant_multiple_of.
4666 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4669 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4670 an implicit conversion.
4672 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4674 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4676 2006-08-27 Roger Sayle <roger@eyesopen.com>
4678 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4681 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4683 * config/i386/crtfastmath.c: Fix a comment typo.
4685 2006-08-26 Roger Sayle <roger@eyesopen.com>
4687 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4688 temporary visit flags on CASE_LABEL_EXPRs.
4689 * c-common.c (match_case_to_enum): Add function comment. Avoid
4690 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4691 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4692 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4693 a constant, only warn if that constant value isn't handled.
4695 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4698 * input.h (restore_input_file_stack): Declare.
4699 (INPUT_FILE_STACK_BITS): Define.
4700 * toplev.c (fs_p, input_file_stack_history,
4701 input_file_stack_restored, restore_input_file_stack): New.
4702 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4703 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4704 (pop_srcloc): Don't free old state of stack.
4706 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4709 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4710 (PowerPC Type Attributes): New.
4712 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4714 * config/xtensa/xtensa.c (function_arg_boundary): New.
4715 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4717 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4718 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4720 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4723 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4726 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4728 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4729 (verify_local_live_at_start): Likewise.
4731 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4734 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4735 omp_add_variable): Treat sizes as variable whenever not
4738 2006-08-26 Richard Guenther <rguenther@suse.de>
4741 * fold-const.c (fold_binary): Fold temporary to correct
4742 type before constructing new comparison.
4744 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4747 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4748 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4750 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4753 * c-decl.c (start_function): Don't try to process prototype
4754 information from old declaration that isn't a function.
4756 2006-08-25 Jan Hubicka <jh@suse.cz>
4759 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4761 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4764 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4767 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4769 PR tree-optimization/16876
4770 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4771 exit if PARM doesn't match VALUE.
4773 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4775 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4776 literal_prefix directive.
4777 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4778 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4779 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4781 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4784 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4785 predicate to general_operand. Add 0->y and I->r alternatives.
4787 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4789 * doc/tm.texi: Fix a typo.
4790 * predict.c: Fix comment typos.
4792 2006-08-25 Nick Clifton <nickc@redhat.com>
4794 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4795 assertions of "cpu" and "machine".
4797 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4800 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4801 the access through a base which has an alias set of 0 cannot
4804 2006-08-24 Bill Wendling <wendling@apple.com>
4806 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4808 2006-08-24 Jan Hubicka <jh@suse.cz>
4810 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4812 2006-08-24 Jan Hubicka <jh@suse.cz>
4815 * cgraph.c: Fix comments.
4816 (cgraph_varpool_mark_needed_node): Mark only variables not already
4818 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4819 (cgraph_varpool_assembled_nodes_queue): New static variable.
4820 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4821 (cgraph_varpool_output_debug_info): New function.
4822 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4823 * Makefile.in: Add gt-cgraphunit.h
4825 2006-08-24 Jan Hubicka <jh@suse.cz>
4827 * predict.c (probability_reliable_p): New predicate.
4828 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4829 (predict_loops): Do not predict loop exit with less than 2%
4831 * basic-block.h (edge_probability_reliable_p,
4832 br_prob_note_reliable_p): Declare.
4833 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4834 prediction when static predictor is not reliable.
4835 * rs6000.c (output_cbranch): Likewise.
4837 2006-08-23 Stuart Hastings <stuart@apple.com>
4840 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4841 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4843 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4846 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4847 complex values, nor for generic vector values.
4849 2006-08-22 Richard Guenther <rguenther@suse.de>
4852 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4853 parameter. Convert arguments to arithmetic expression to the
4855 (analyze_scalar_evolution_1): Adjust caller.
4857 2006-08-22 Jan Hubicka <jh@suse.cz>
4859 Patch by Paolo Bonzini
4860 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4863 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4865 PR tree-optimization/28003
4866 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4867 before grouping aliases.
4869 2006-08-22 Roger Sayle <roger@eyesopen.com>
4871 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4872 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4874 2006-08-21 Jason Merrill <jason@redhat.com>
4877 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4878 wrapper. Loop to handle nested wrappers.
4879 (gimplify_bind_expr): Remove temp parameter.
4880 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4881 and STATEMENT_LIST on the rhs.
4882 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4883 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4884 (gimplify_target_expr): Remove special BIND_EXPR handling.
4886 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4888 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4891 2006-08-21 Olivier Hainque <hainque@adacore.com>
4893 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4894 Arrange for the temporary captures of components overlapping the lhs
4895 to happen before the lhs is possibly cleared.
4897 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4899 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4900 necessary places to pass the correct "number of registers" values
4903 2006-08-20 Jan Hubicka <jh@suse.cz>
4905 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4906 (create_name_tags): Instead of quadratic checking use hashtable.
4907 * bitmap.h: Include hashtab.h.
4908 (bitmap_hash): Declare.
4909 * bitmap.c (bitmap_hash): New function.
4911 2006-08-20 Jan Hubicka <jh@suse.cz>
4913 PR rtl-optimization/28071
4914 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4916 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4917 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4918 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4919 cgraph_decide_inlining_incrementally): Update use of
4920 cgraph_check_inline_limits.
4921 * cgraph.c (edge_hash, edge_eq): New function.
4922 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4923 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4924 cgraph_remove_node): Maintain call site hash.
4925 * cgraph.h (struct cgraph_node): Add call_site_hash.
4926 (cgraph_set_call_stmt): New function.
4928 2006-08-20 Jan Hubicka <jh@suse.cz>
4930 PR rtl-optimization/28071
4931 * reload1.c (reg_has_output_reload): Turn into regset.
4932 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4933 choose_reload_regs, emit_reload_insns): Update to new
4934 reg_has_output_reload.
4936 2006-08-20 Jan Hubicka <jh@suse.cz>
4939 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4940 function body sizes.
4941 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4943 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4946 * tree.c (handle_dll_attribute): Return early if not a
4947 var or function decl.
4949 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4952 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4953 alignment of SPE vector types.
4955 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4957 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4959 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4962 * cgraph.h (struct cgraph_node): Remove externally_visible
4964 * cgraphunit.c (process_function_and_variable_attributes): Set
4965 local.externally_visible rather than externally_visible.
4968 * c-common.c (handle_externally_visible_attribute): First look
4969 at TREE_CODE and only if it is function or var decl, check for
4970 non-public objects. Don't warn for DECL_EXTERNAL.
4971 * cgraphunit.c (process_function_and_variable_attributes): Warn
4972 if externally_visible attribute is used on non-public object.
4974 2006-08-17 Jan Hubicka <jh@suse.cz>
4976 PR tree-optimization/27865
4977 * reload1.c (forget_marked_reloads): New function.
4978 (forget_old_reloads_1): When data are passed, just mark the registers
4980 (reload_as_needed): Use the new mechanizm.
4982 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4985 * reload.h (reg_equiv_alt_mem_list): New declaration.
4986 * reload1.c (reg_equiv_alt_mem_list): New definition.
4987 (reload): Initialize it and release it.
4988 (delete_output_reload): Use it.
4989 * reload.c (push_reg_equiv_alt_mem): New function.
4990 (find_reloads_toplev): Call it.
4991 (find_reloads_address, find_reloads_address_1): Likewise.
4992 (find_reloads_subreg_address): Likewise.
4994 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4996 PR rtl-optimization/28489
4997 * sched-ebb.c (begin_schedule_ready): Create basic block
4999 (advance_target_bb): Skip empty blocks.
5000 * haifa-sched.c (bb_note): Make global.
5001 * sched-int.h (bb_note): Add prototype.
5003 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5005 PR tree-optimization/27865
5006 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5008 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5009 fold_used_pointer, pointer_used_p): New functions.
5010 (analyze_scalar_evolution_1): Use fold_used_pointer.
5011 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5012 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5015 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5018 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5019 or the INTEGER_CST. Fail on a CALL_EXPR.
5020 (fold_offsetof): Pass new argument to fold_offsetof_1.
5021 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5022 operand into an INDIRECT_REF.
5023 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5025 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5027 PR gcov/profile/26570
5028 * value-prof.c (static_values): Removed.
5029 (tree_find_values_to_profile): Do not set static_values.
5030 (find_values_to_profile): Do not free static_values.
5031 * profile.c (instrument_values): Do not free the values.
5032 (branch_prob): Free the values.
5034 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5036 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5038 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5041 * c-typeck.c (build_component_ref): Combine qualifiers of
5042 structure or union and field.
5044 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5046 PR rtl-optimization/28071
5047 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5048 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5049 * tree-into-ssa.c (struct dom_dfsnum): New.
5050 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5052 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5053 compute_global_livein.
5054 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5055 in phi nodes in the correct blocks.
5057 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5059 PR tree-optimization/28364
5060 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5062 (fold_affine_expr): New function.
5063 (may_eliminate_iv): Use fold_affine_expr.
5065 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5068 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5071 2006-08-16 Mike Stump <mrs@apple.com>
5073 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5074 * doc/cppopts.texi (-MD): Likewise.
5076 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5079 * c-common.c (handle_weak_attribute): Ignore and warn if
5080 not a FUNCTION_ or VAR_DECL.
5082 2006-07-15 Mike Stump <mrs@apple.com>
5085 * c-parser.c (c_parser_typeof_specifier): Don't use
5086 c_finish_expr_stmt, open code desired semantics instead.
5088 2006-08-15 Nick Clifton <nickc@redhat.com>
5090 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5091 fragment to tmake_file only if threads are enabled.
5092 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5093 * config/i386/t-gthr-win32: New file. ... here.
5095 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5098 * c-parser.c (c_parser_compound_statement_nostart): Reset
5099 parser->error after each statement.
5101 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5104 * omp-low.c (lower_omp_parallel): Convert t to
5105 receiver_decl's type.
5106 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5107 source before comparison.
5110 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5111 to itype in assignment to oldival2.
5113 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5117 * c-typeck.c (build_compound_expr): If the second expression
5118 is an error mark, then just return an error mark instead of
5119 creating a COMPOUND_EXPR.
5121 2006-07-14 Mike Stump <mrs@apple.com>
5123 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5125 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5127 * c-decl.c, var-tracking.c: Fix comment typos.
5129 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5131 PR rtl-optimization/28634
5132 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5133 for floating-point modes unless flag_unsafe_math_optimizations.
5135 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5136 Andrew Pinski <pinskia@physics.uc.edu>
5139 * tree.c (build_array_type): Unify array types with
5140 unspecified index_type.
5141 * c-decl.c (grokdeclarator): Make sure we do not modify a
5142 unified incomplete array type.
5143 * c-typeck.c (store_init_value): Create distinct type before
5144 filling in the index type in an initializer from a compound
5147 * c-decl.c (grokdeclarator): Remove code where we copy the
5150 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5152 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5153 into account for TODO_dump_cgraph.
5154 (TODO_update_ssa_no_phi): Likewise.
5155 (TODO_update_ssa_full_phi): Likewise.
5156 (TODO_update_ssa_only_virtuals): Likewise.
5157 (TODO_remove_unused_locals): Likewise.
5158 (TODO_set_props): Likewise.
5159 (TODO_update_stmt_usage): Likewise.
5161 2006-08-13 Dirk Mueller <dmueller@suse.de>
5163 * c-common.c (strict_aliasing_warning): Fix formatting.
5165 2006-08-13 Matthias Klose <doko@debian.org>
5167 * doc/invoke.texi: Fix spelling errors.
5169 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5171 PR rtl-optimization/23454
5172 * reorg.c (relax_delay_slots): Update comment.
5174 2006-08-11 Richard Guenther <rguenther@suse.de>
5177 * simplify-rtx.c (simplify_const_relational_operation):
5178 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5181 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5183 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5184 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5186 2006-08-10 Paul Brook <paul@codesourcery.com>
5188 * final.c (final_scan_insn): Clear current_insn_predicate before
5189 outputting inline asm.
5191 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5193 PR tree-optimization/26197
5194 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5195 get_ref_base_and_extent and overlap_subvar to add only relevant
5196 subvars as may-aliases.
5197 (add_may_alias_for_new_tag): New function, factored out of
5199 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5200 with additional argument.
5201 * tree-flow.h (new_type_alias): Takes additional argument.
5203 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5205 * gcov.c (no_data_file): New flag.
5206 (read_count_file): Set it if data file not present. Assume counts
5208 (output_lines): Don't name the data file, if there wasn't one.
5210 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5212 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5213 (rs6000_generate_compare): Tweak comments.
5214 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5216 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5218 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5219 (var_debug_decl): New function.
5220 (var_reg_set): Follow debug decl link. Add location even if
5221 reg is already known to hold some other variable.
5222 (var_mem_set): Follow debug decl link.
5223 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5224 decl link. Delete other known locations of the variable part
5226 (var_reg_delete, var_mem_delete): Delete other known locations
5227 of the variable part if requested.
5228 (same_variable_part_p): New function.
5229 (add_stores): Select MO_COPY when appropriate.
5230 (vt_initialize): Handle it.
5231 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5232 known locations for MO_SET and MO_CLOBBER.
5233 (find_variable_location_part): New function.
5234 (set_variable_part, delete_variable_part): Use it.
5235 (clobber_variable_part): New function.
5236 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5239 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5241 PR tree-optimization/26969
5242 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5243 with an empty list of PHIs.
5245 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5249 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5252 2006-08-06 Andreas Schwab <schwab@suse.de>
5254 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5255 string. Whitespace and comment fixup.
5257 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5260 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5264 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5267 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5269 2006-08-04 Jan Hubicka <jh@suse.cz>
5273 * reload.c (push_reload): Patch out the mismatching instruction;
5275 (find_reload): Bail out if the instruction was patched out.
5277 2006-08-04 Jan Hubicka <jh@suse.cz>
5279 PR tree-optimization/24888
5280 * tree-inline.c (expand_call_inline): Do not re-record variables.
5281 (declare_inline_vars): Add variable to unexpanded_var_list.
5283 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5284 Roger Sayle <roger@eyesopen.com>
5286 PR rtl-optimization/26244
5287 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5288 inner_const are negative or greater than or equal to the bitsize of
5289 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5290 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5291 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5292 CONST0_RTX (mode) when the new shift count is greater than or equal to
5293 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5296 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5298 * tree-cfg.c: Fix a comment typo.
5300 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5303 * varasm.c (output_constant): Give the front end another chance to
5304 expand constants, after stripping NOPs.
5306 2006-08-03 Jan Hubicka <jh@suse.cz>
5308 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5311 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5313 PR tree-optimization/27770
5314 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5315 declaration removed (moved to tree-flow.h).
5316 (vect_can_force_dr_alignment_p): Likewise.
5317 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5318 (moved from tree-vectorizer.h).
5319 (vect_can_force_dr_alignment_p): Likewise.
5320 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5321 from outside the vectorizer - in particular from cgraph stage.
5322 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5323 the alignment of global arrays when -fsection-anchors is enabled.
5324 * cgraphunit.c (cgraph_increase_alignment): New function.
5325 (cgraph_optimize): Call cgraph_increase_alignment.
5327 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5330 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5331 not reload a SPE symbol_ref into a lo_sum address.
5333 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5336 * dwarf2out.c (prune_unused_types_prune): Move call to
5337 prune_unused_types_update_strings to cover the parent DIE also.
5339 2006-08-02 Jan Hubicka <jh@suse.cz>
5341 PR gcov/profile/28480
5342 * tree-cfg.c (change_bb_for_stmt): New function.
5343 (tree_merge_blocks, tree_split_blocks): Use it.
5345 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5351 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5352 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5353 (cgraph_optimize): Likewise.
5355 2006-08-01 Stuart Hastings <stuart@apple.com>
5357 * rtl.h (UINTVAL) New.
5358 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5359 * testsuite/gcc.dg/20060801-1.c: New.
5361 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5364 * c-typeck.c (build_external_type): Mark used enum types.
5365 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5367 (gen_subprogram_die): Whitespace fix.
5369 2006-08-01 Jan Hubicka <jh@suse.cz>
5371 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5372 bitmap when not needed.
5373 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5376 2006-08-01 Dirk Mueller <dmueller@suse.de>
5378 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5380 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5382 * Makefile.in: Revert part of previous patch:
5383 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5386 2006-07-30 Eric Christopher <echristo@apple.com>
5389 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5390 (PowerPC Variable Attributes): New section.
5392 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5394 PR target/28126 (partial fix)
5395 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5397 2006-07-28 Jan Hubicka <jh@suse.cz>
5399 PR rtl-optimization/28071
5400 * cfgrtl.c (rtl_delete_block): Free regsets.
5401 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5403 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5405 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5406 and variables used in dependencies.
5408 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5410 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5411 %fs for -mcmodel=kernel.
5412 (stack_tls_protect_test_di): Likewise.
5414 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5416 * Makefile.in: Use mkinstalldirs.
5418 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5421 * opts-common.c (prune_options): Skip joined switches.
5423 2006-07-27 Jan Hubicka <jh@suse.cz>
5425 PR rtl-optimization/28071
5426 * cselib.c (cselib_process_insn): Don't remove useless values too
5427 often for very large hashtables.
5429 2006-07-27 Jan Hubicka <jh@suse.cz>
5431 PR rtl-optimization/28071
5432 * global.c (greg_obstack): New obstack.
5433 (allocate_bb_info): Use it.
5434 (free_bb_info): Likewise.
5435 (modify_reg_pav): Likewise.
5437 2006-07-27 Roger Sayle <roger@eyesopen.com>
5439 * builtins.c (fold_fixed_mathfn): When long and long long are the
5440 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5441 functions to their lceil*, lfloor*, lround* and lrint* forms.
5443 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5446 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5448 (rev_branch_insn): Likewise.
5450 2006-07-27 Jan Hubicka <jh@suse.cz>
5452 PR rtl-optimization/28071
5453 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5454 (reg_set_in_bb, max_reg_computed): New static variables.
5455 (regmove_optimize): Free the new array.
5456 (fixup_match_1): Update call of reg_is_remote_constant_p.
5458 2006-07-26 Jan Hubicka <jh@suse.cz>
5460 PR tree-optimization/27882
5461 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5463 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5465 (cgraph_analyze_compilation_unit): Likewise.
5466 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5467 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5468 (cgraph_early_inlinine): Make order garbage collected.
5469 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5471 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5473 * dbxout.c (output_types_sort): Add a comment.
5474 (output_used_types): Free the VEC.
5476 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5478 * function.c (reorder_fix_fragments): Delete.
5479 (reorder_blocks): Don't call it.
5480 (reorder_blocks_1): Put all subblocks under the origin block.
5482 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5484 PR rtl-optimization/27907
5485 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5488 2006-07-25 Roger Sayle <roger@eyesopen.com>
5491 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5492 bar(x) check that bar's result type can represent all the values of T.
5494 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5496 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5498 2006-07-25 Nick Clifton <nickc@redhat.com>
5500 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5501 size_lookup[] array.
5502 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5503 (ggc_pch_count_object): Likewise.
5504 (ggc_pch_alloc_object): Likewise.
5505 (ggc_pch_write_object): Likewise.
5506 (init_ggc): Do not attempt to initialize entries in the
5507 size_lookup[] array for objects whose size is greater than than
5508 the length of the array.
5510 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5512 * dbxout.c (output_used_types_helper): Push queued types
5514 (output_types_sort): New.
5515 (output_used_types): Collect used types on a VEC and sort them
5518 2006-07-24 Richard Guenther <rguenther@suse.de>
5521 * cgraph.c (cgraph_remove_node): Do not check if dumps
5523 * cgraphunit.c (cgraph_optimize): Likewise.
5525 2006-07-24 Jan Hubicka <jh@suse.cz>
5527 PR rtl-optimization/28071
5528 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5529 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5530 splitting before first stmt.
5532 2006-07-24 Jan Hubicka <jh@suse.cz>
5534 PR rtl-optimization/28071
5535 * ipa-inline.c (update_caller_keys): Remove edges that
5536 are no longer inline candidates.
5538 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5541 * dbxout.c (output_used_types_helper, output_used_types): New.
5542 (dbxout_symbol): Call output_used_types.
5544 2006-07-23 Jan Hubicka <jh@suse.cz>
5548 * cgraph.c (cgraph_varpool_nodes): Export.
5549 (decide_is_variable_needed): Ignored "used" attribute in
5550 unit-at-a-time mode.
5551 * cgraph.h (cgraph_varpool_nodes): Declare.
5552 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5553 unit-at-a-time mode.
5555 2006-07-23 Roger Sayle <roger@eyesopen.com>
5558 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5559 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5560 the __gthrw form of thr_keycreate.
5561 (__gthread_key_delete): Silence the unused argument warning.
5563 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5566 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5567 Cache the last found '\0' marker to avoid quadratic behavior.
5569 2006-07-23 Jan Hubicka <jh@suse.cz>
5571 * i386.md (subsi_3_zext): Fix output template.
5573 2006-07-21 Mike Stump <mrs@apple.com>
5575 * doc/invoke.texi (C++ Dialect Options): Note that
5576 -fvisibility-inlines-hidden doesn't affect explicitly
5577 instantiationed inline methods.
5579 2006-07-20 Roger Sayle <roger@eyesopen.com>
5581 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5582 if the target assembler is GNU binutils' gas.
5583 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5584 whether to pass GNU gas or native as command line options.
5586 2006-07-20 Jason Merrill <jason@redhat.com>
5588 * tree.c (remove_attribute): New fn.
5589 * tree.h: Declare it.
5591 2006-07-20 Paul Brook <paul@codesourcery.com>
5594 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5595 they are invalidated by this instruction.
5597 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5600 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5602 2006-07-20 Eric Christopher <echristo@apple.com>
5605 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5607 2006-07-19 Eric Christopher <echristo@apple.com>
5609 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5610 Rewrite dependencies for libgcc_s.1.dylib.
5612 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5614 * except.c (duplicate_eh_regions_1): Clear next_peer.
5616 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5618 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5619 -mlongcall does not guarantee all calls will be long.
5620 * doc/extend.texi (long_call/short_call): Document that longcall
5621 does not guarantee a long call will be used.
5622 (longcall/shortcall): Likewise.
5624 2006-07-18 Roger Sayle <roger@eyesopen.com>
5627 * expmed.c (expand_shift): Additionally check that the shift_cost
5628 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5629 before implementing a LSHIFT_EXPR as a sequence of additions.
5630 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5631 middle-end that DImode shifts need to be synthesized by expand.
5633 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5636 * tree-ssa-operands.c (access_can_touch_variable): Update
5638 Return true if ALIAS is .GLOBAL_VAR.
5640 2006-07-18 David Daney <ddaney@avtrex.com>
5642 * gcc.c (display_help): Fix typo in help text.
5644 2006-07-18 Olivier Hainque <hainque@adacore.com>
5646 * tree.h (categorize_ctor_elements): Adjust prototype and add
5647 descriptive comment, both in accordance with the interface change
5649 * varasm.c (constructor_static_from_elts_p): New function.
5650 Whether a constructor node is a valid static constant initializer
5651 if all its elements are.
5652 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5653 * output.h: Declare it.
5654 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5655 is a valid constant initializer instead of computing the number of
5656 non-constant elements. Use constructor_static_from_elts_p for this
5657 purpose. Replace the head comment with an indication that this is a
5658 helper for categorize_ctor_elements.
5659 (categorize_ctor_elements): Same interface change as for the _1
5660 helper. Former head comment from this helper moved here, adjusted to
5661 account for the interface changes.
5662 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5663 (all_zeros_p): Likewise.
5664 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5665 static versions of the constructor from the categorize_ctor_elements
5666 return value instead of the formerly computed number of non-constant
5669 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5671 * configure: Regenerate.
5672 * Makefile.in (build_libsubdir): New configure substitution
5673 (build_libobjdir): New variable.
5674 (BUILD_LIBIBERTY): Use it.
5676 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5679 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5681 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5684 * c-common.c (handle_weakref_attribute): Ignore attribute in
5685 the same conditions the alias attribute is ignored.
5687 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5689 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5690 (dbxout_begin_prologue): Increment scope_labelno.
5692 2006-07-17 Richard Henderson <rth@redhat.com>
5695 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5698 2006-07-17 Roger Sayle <roger@eyesopen.com>
5699 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5701 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5702 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5703 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5704 functions such as sbrk, write, etc.. Add function prototypes.
5705 Convert function declarations from K&R to ISO C. Cast pointers
5706 to "long" and "unsigned long" instead of "int" and "unsigned int".
5707 Convert tokens following #endif into comments.
5709 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5711 * invoke.texi: Remove mention of f77; Reformat table for
5712 inline parameter options correctly; mention that -malign-double
5713 is default on x86-64 targets.
5715 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5717 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5718 (convert_affine_scev, chrec_convert_aggressive): Use
5719 avoid_arithmetics_in_type_p. Do not check for the subtypes
5722 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5725 * optabs.c (expand_doubleword_shift): Wrap the call to
5726 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5728 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5731 * optabs.c (expand_binop): Pass next_methods rather than methods
5732 to expand_doubleword_shift.
5734 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5737 * tree.h (dump_addr): Declare.
5738 * print-tree.c (dump_addr): New function.
5739 (print_node_brief, print_node): Use it.
5740 * print-rtl.c (print_rtx): Likewise.
5741 * common.opt (-fdump-noaddr): New option.
5742 * doc/invoke.texi (-fdump-noaddr): Document.
5743 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5744 (ve_info_hash): Likewise.
5746 2006-07-13 Andrew Haley <aph@redhat.com>
5748 PR tree-optimization/19505
5749 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5750 edge leaving this block, make sure that the destination of this
5751 block has only one predecessor.
5753 2006-07-17 Richard Guenther <rguenther@suse.de>
5755 PR tree-optimization/28238
5756 * tree-inline.c (copy_bb): Check if we produced valid
5757 gimple copying and substituting a stmt. If not, gimplify
5760 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5762 * optabs.c (maybe_encapsulate_block): New function extracted from...
5763 (emit_libcall_block): ...here. Invoke it on the block of insns to
5764 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5765 (emit_no_conflict_block): Likewise.
5767 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5769 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5771 2006-07-15 Roger Sayle <roger@eyesopen.com>
5773 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5774 a new NOP_EXPR case of the switch statement.
5776 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5779 * stor-layout.c (place_field): Take the bit field with
5780 an excessive size into account in the ms-bitfiled case.
5783 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5784 the previous bit field.
5786 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5789 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5791 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5793 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5794 signal frames correctly even when the signal was installed with
5797 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5799 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5800 (dbxout_function_end): Use local label LFBB. Remove hook
5802 (dbxout_source_line): Use local label LFBB.
5803 (dbxout_block): Likewise.
5804 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5805 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5806 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5807 and DBX_OUTPUT_NFUN.
5809 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5811 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5813 2006-07-13 Jan Hubicka <jh@suse.cz>
5815 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5817 * output.h (align_variable): Declare.
5818 * varasm.c (align_variable): Export.
5819 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5820 when basic block changed.
5822 2006-07-13 Nick Clifton <nickc@redhat.com>
5824 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5825 walking the LOG_LINKS chain.
5827 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5829 * doc/invoke.texi (C++ Dialect Options): Explain difference
5830 between -fvisibility-inlines-hidden and setting hidden
5831 visibility explicitly.
5833 2006-07-12 Eric Christopher <echristo@apple.com>
5835 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5836 (stmp-lipo): Depend on libgcc.a.
5838 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5840 * tree.c: Fix a comment typo.
5842 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5844 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5846 (umulhisi3_r): Likewise.
5848 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5851 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5852 x < 19, vs wchar_t support.
5854 2006-07-12 Nick Clifton <nickc@redhat.com>
5856 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5857 instead of -isa=sh4.
5859 2006-07-12 Mike Stump <mrs@apple.com>
5861 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5863 2006-07-10 Eric Christopher <echristo@apple.com>
5865 * config/t-slibgcc-darwin: Rewrite.
5867 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5870 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5873 2006-07-08 Matthias Klose <doko@debian.org>
5875 * doc/sourcebuild.texi: Fix typo.
5877 2006-07-07 Mike Stump <mrs@apple.com>
5879 * toplev.c (process_options): Don't give -ffunction-sections may
5880 affect debugging warning for Mach-O.
5882 2006-07-07 James E Wilson <wilson@specifix.com>
5884 * config/mips/mips.md (cpu): Add sb1a.
5885 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5886 addition to sb1. Adjust comments to clarify SB-1A differences from
5888 (ir_sb1a_load): New. Modify bypasses to use it.
5889 (ir_sb1a_simple_alu): Likewise.
5890 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5891 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5892 (mips_issue_rate): Add PROCESSOR_SB1A.
5893 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5894 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5895 (TARGET_SB1): Add PROCESSOR_SB1A check.
5896 (TUNE_SB1): Likewise.
5898 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5899 * config/mips/mips.c (mips_store_data_bypass_p): New.
5900 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5901 store_data_bypass_p.
5903 2006-07-08 Paul Brook <paul@codesourcery.com>
5906 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5908 2006-07-07 Richard Guenther <rguenther@suse.de>
5911 * tree.h (build_one_cst): Declare.
5912 * tree.c (build_one_cst): New function.
5913 * tree-ssa-math-opts.c (get_constant_one): Remove.
5914 (insert_reciprocals): Use build_one_cst.
5915 * fold-const.c (fold_plusminus_mult): Likewise.
5917 2006-07-07 Roger Sayle <roger@eyesopen.com>
5919 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5920 * cfgloopanal.c (dump_graph): Likewise.
5921 * dojump.c (discard_pending_stack_adjust): Likewise.
5922 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5924 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5925 * function.c (finalize_block_changes): Likewise.
5926 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5927 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5928 * rtl.c (dump_rtx_statistics): Likewise.
5929 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5931 * varray.c (dump_varray_statistics): Likewise.
5932 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5933 decode_decimal64, encode_decimal128, decode_decimal128,
5934 decimal_real_to_decimal): Likewise.
5936 2006-07-07 Richard Guenther <rguenther@suse.de>
5938 PR tree-optimization/28187
5939 * tree-vrp.c (vrp_operand_equal_p): New function.
5940 (vrp_bitmap_equal_p): Likewise.
5941 (update_value_range): Use them to compare old and new
5944 2006-07-06 Roger Sayle <roger@eyesopen.com>
5946 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5947 a default case to switch statement to silence compiler warnings.
5949 2006-07-06 Roger Sayle <roger@eyesopen.com>
5952 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5953 the configured assembler supports the x87's ffreep mnemonic.
5954 * configure: Regenerate.
5955 * config.in: Regenerate.
5957 * config/i386/i386.c (output_387_ffreep): New function.
5958 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5959 (output_387_reg_move): Likewise.
5961 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5963 Port to hosts whose 'sort' and 'tail' implementations
5964 treat operands with leading '+' as file names, as POSIX
5965 has required since 2001. However, make sure the code still
5966 works on pre-POSIX hosts.
5967 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5968 which says you should use "tail -c +N" rather than "tail +Nc".
5969 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5971 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5973 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5976 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5979 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5980 PRE_{INC,DEC} of TFmode.
5982 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5983 Alan Modra <amodra@bigpond.net.au>
5986 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5989 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5992 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5993 Remove duplicate gtu.
5995 2006-07-05 Jason Merrill <jason@redhat.com>
5999 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6000 * c-common.c (handle_packed_attribute): So don't copy it here.
6001 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6003 2006-07-05 Mike Stump <mrs@apple.com>
6005 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6007 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6010 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6012 2006-07-05 Richard Guenther <rguenther@suse.de>
6015 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6016 TARGET_SSE2 targets if using SSE math.
6017 (*absdf2_1): Likewise.
6019 2006-07-05 Richard Guenther <rguenther@suse.de>
6021 PR tree-optimization/28162
6022 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6023 make sure to convert the operands to the correct type.
6025 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6027 PR tree-optimization/28218
6029 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6030 to calculate and free the dominator information.
6032 2006-07-04 Peter O'Gorman <peter@pogma.com>
6034 * mklibgcc.in: chmod 644 before ranlib during install.
6036 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6037 J"orn Rennecke <joern.rennecke@st.com>
6039 * configure.ac (.eh_frame data check): Use diff -b.
6041 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6044 * Makefile.in (BUILD_RTL): Add build/vec.o.
6045 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6046 (build/genextract): Delete.
6047 (build/genautomata): Likewise.
6049 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6052 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6053 128-bit IBM long doubles for ABI_V4.
6055 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6057 * tree.c (range_in_array_bounds_p): New predicate.
6058 * tree.h (range_in_array_bounds_p): Declare it.
6059 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6060 return a less conservative answer.
6061 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6062 and flag 'is_group'.
6063 (IS_ELEMENT_FOR_GROUP): New macro.
6064 (FOR_EACH_ACTUAL_CHILD): Likewise.
6065 (next_child_for_group): New helper function.
6066 (can_completely_scalarize_p): Take into account groups.
6067 (sra_hash_tree): Handle RANGE_EXPR.
6068 (sra_elt_eq): Likewise.
6069 (lookup_element): Be prepared for handling groups.
6070 (is_valid_const_index): Delete.
6071 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6072 instead of is_valid_const_index.
6073 <ARRAY_RANGE_REF>: New case.
6074 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6075 is_valid_const_index.
6076 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6077 (scan_dump): Dump info for groups too.
6078 (decide_instantiation_1): Likewise.
6079 (decide_block_copy): Assert that the element is not a group.
6080 Propagate decision to groups.
6081 (generate_one_element_ref): Handle RANGE_EXPR.
6082 (mark_no_warning): Iterate over actual childs.
6083 (generate_copy_inout): Likewise.
6084 (generate_element_copy): Likewise.
6085 (generate_element_zero): Likewise.
6086 (generate_element_init_1): Likewise.
6087 (dump_sra_elt_name): Handle RANGE_EXPR.
6089 2006-07-03 Roger Sayle <roger@eyesopen.com>
6091 PR tree-optimization/26251
6092 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6093 (thread_block): When optimizing for size refuse to thread jumps
6094 that would require duplication of blocks other than redirection
6097 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6099 * configure.ac: Fix thinko in previous check-in.
6100 * configure: Regenerate.
6102 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6105 * configure.ac (for lang...): Simplify nesting of conditionals.
6106 Test subdir_requires for non-enabled languages. Move processing
6107 of lang_opt_files and lang_tree_fiels below that test.
6108 * configure: Regenerate.
6109 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6111 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6113 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6115 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6117 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6120 2006-06-29 Jason Merrill <jason@redhat.com>
6127 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6128 * c-common.c (c_determine_visibility): Handle it here.
6129 * c-decl.c (finish_decl): Call c_determine_visibility for
6131 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6133 * varasm.c (default_assemble_visibility): Likewise.
6134 * c-common.c (handle_visibility_attribute): Complain about trying
6135 to give visibility to an already defined class, or trying to change
6136 declared visibility. Always attach the attribute.
6141 * attribs.c (decl_attributes): Ignore type-in-place attributes
6142 once the type has been defined.
6144 2006-06-29 Roger Sayle <roger@eyesopen.com>
6147 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6148 to indicate the cpplib has issued an error message for us.
6150 2006-06-29 Asher Langton <langton2@llnl.gov>
6153 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6154 insert a label at the end of an function under Mach-O.
6156 2006-06-29 Eric Christopher <echristo@apple.com>
6157 Evan Cheng <evan.cheng@apple.com>
6159 * predicates.md (vector_all_ones_operand): New.
6160 (nonimmediate_or_sse_const_operand): Ditto.
6161 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6162 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6163 (standard_sse_mode_p): Ditto.
6164 (standard_sse_constant_p): Add case for -1 vector.
6165 (ix86_expand_vector_move): Try to use.
6166 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6167 Call standard_sse_constant_opcode.
6168 (*movv4sf_internal): Ditto.
6169 (*movv2df_internal): Ditto.
6171 2006-06-29 Roger Sayle <roger@eyesopen.com>
6173 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6174 of XEXP to extract the operands of a MATCH_CODE rtx.
6176 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6178 * tree.c (tree_size): Do not waste tail padding in
6179 struct tree_string and make the size be the same as
6180 build_string will generate.
6182 2006-06-28 Jason Merrill <jason@redhat.com>
6185 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6186 may_aliases already in the tag's annotations to the bitmap.
6188 2006-06-28 Roger Sayle <roger@eyesopen.com>
6190 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6192 2006-06-28 Roger Sayle <roger@eyesopen.com>
6194 * genpreds.c (generate_switch_p): New function.
6195 (add_mode_tests): Push the new mode test down inside an AND expr
6196 if this allows the switch-suitable MATCH_CODE to be near the root.
6197 (write_match_code_switch): New function to write a MATCH_CODE as
6199 (write_predicate_stmts): New function to write a predicate RTX
6200 expression as a sequence of statements.
6201 (write_one_predicate_function): Use write_predicate_stmts.
6202 (write_tm_constrs_h): Likewise.
6204 2006-06-26 Fred Fish <fnf@specifix.com>
6206 * config/mips/t-sb1: New file.
6207 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6210 2006-06-26 DJ Delorie <dj@redhat.com>
6212 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6214 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6215 Jayant Sonar <jayants@kpitcummins.com>
6216 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6218 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6219 (subsi3, subsi3_1, subsi3_2): New.
6220 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6221 * config/m32c/mov.md (SI mov peephole): New.
6222 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6223 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6225 2006-06-26 Olivier Hainque <hainque@adacore.com>
6227 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6228 a CALL_EXPR target function declaration.
6230 2006-06-26 Richard Guenther <rguenther@suse.de>
6232 * tree.c (build_string): Do not waste tail padding in
6235 2006-06-26 Richard Guenther <rguenther@suse.de>
6237 * ggc-page.c (init_ggc): Add missing element to size_lookup
6241 2006-06-23 Richard Guenther <rguenther@suse.de>
6243 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6244 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6245 alignment requests instead. Add verification code.
6246 Add struct tree_function_decl and struct tree_binfo size to
6247 extra_order_size_table. Add missing element to size_lookup
6250 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6253 * fold-const.c (const_binop): Be prepared for self returning zero.
6254 Simplify code handling complex values.
6256 2006-06-24 Olivier Hainque <hainque@adacore.com>
6258 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6259 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6262 2006-06-24 Olivier Hainque <hainque@adacore.com>
6264 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6265 ARRAY_REF, so have the callback called for the low bound expression.
6267 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6269 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6270 * c-typeck.c (c_common_type): Disallow operations on decimal float
6271 types and other float types.
6272 * convert.c (convert_to_real): Don't ignore conversions involving
6273 decimal float types.
6275 2006-06-23 Olivier Hainque <hainque@adacore.com>
6277 * tree.c (max_int_size_in_bytes): New function, inspired from
6278 code in function.c:assign_temp.
6279 * tree.h (max_int_size_in_bytes): Declare.
6280 * function.c (assign_temp): Use it.
6281 * gimplify.c (create_tmp_var): Relax the assertions on the type
6282 properties, not mandating constant size any more.
6283 (force_constant_size): New static function.
6284 (gimple_add_tmp_var): Use it, forcing variable size to a
6285 constant upper bound if it is not constant on entry.
6287 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6290 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6291 for initialization and setting of one_only flag to ...
6292 (i386_pe_encode_section_info): ...here.
6293 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6294 Recheck that the symbol has not been defined.
6296 2006-06-23 Richard Guenther <rguenther@suse.de>
6298 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6299 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6300 alignment requests instead. Add verification code.
6301 Add struct tree_function_decl and struct tree_binfo size to
6302 extra_order_size_table. Add missing element to size_lookup
6305 2006-06-22 Roger Sayle <roger@eyesopen.com>
6306 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6309 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6310 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6312 2006-06-23 Ben Elliston <bje@au.ibm.com>
6314 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6315 negate dn -- manipulate it directly.
6317 2006-06-22 Roger Sayle <roger@eyesopen.com>
6318 Steven Bosscher <stevenb.gcc@gmail.com>
6321 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6322 generated by gen_move_insn to add REG_LABEL notes if necessary.
6324 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6326 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6327 (leaf_entry): Remove use of MIN_ESA.
6329 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6331 PR rtl-optimization/28121
6332 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6335 2006-06-21 DJ Delorie <dj@redhat.com>
6337 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6339 (mulhisi3_r): Likewise.
6341 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6344 * coverage.c (coverage_counter_alloc): Leave the index type
6346 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6349 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6351 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6352 section from the "Options for Code Generation Conventions".
6354 2006-06-21 Richard Henderson <rth@redhat.com>
6358 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6360 (global_symbolic_operand): Allow weak symbols, even if local_p.
6362 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6364 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6365 (find_interesting_uses_address): Punt if above function returns true.
6367 2006-06-21 Richard Guenther <rguenther@suse.de>
6369 * configure: Regenerated.
6371 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6373 * config/mips/mips.c (function_arg): Where one part of a
6374 complex argument is in registers and the other part in the stack,
6375 return a REG not a PARALLEL.
6377 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6379 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6380 when cross-compiling. Do not substitute libstdcxx_incdir.
6381 * configure: Regenerated.
6383 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6385 * varasm.c (mergeable_string_section): Check for embedded NULs and
6386 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6387 rather than TREE_STRING_LENGTH bytes.
6389 2006-06-21 Richard Guenther <rguenther@suse.de>
6391 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6392 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6395 2006-06-21 Richrad Guenther <rguenther@suse.de>
6397 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6398 Limit iteration over the dominators.
6400 2006-06-20 Roger Sayle <roger@eyesopen.com>
6402 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6403 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6405 2006-06-20 Richard Guenther <rguenther@suse.de>
6406 Michael Matz <matz@suse.de>
6408 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6410 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6411 * et-forest.h (et_free_pools): Prototype new function.
6412 * et-forest.c (et_free_tree_force): Free parent occurrence.
6413 (et_free_pools): New function.
6414 * dominance.c (free_dominance_info): Free et-forest alloc
6417 2006-06-20 Roger Sayle <roger@eyesopen.com>
6419 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6420 integer modes, attempt to directly construct an integer constant.
6422 * fold-const.c (native_encode_vector): Determine the size of each
6423 element from the vector type instead of the first vector element.
6425 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6426 if all of its elements/components are constant.
6427 (build_constructor_from_list): Likewise.
6429 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6431 PR tree-optimization/27331
6432 * tree-data-ref.c (free_data_ref): New function.
6433 (create_data_ref): Fail if the data reference has unknown access
6435 (free_data_refs): Use free_data_ref.
6437 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6440 * tree-inline.c (setup_one_parameter): Strip useless
6441 type conversion before adding it to the IR.
6442 (declare_return_variable): Likewise.
6444 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6447 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6449 2006-06-19 Mike Stump <mrs@apple.com>
6451 * tree.c (variably_modified_type_p): VM arguments don't make the
6454 2006-06-19 Richard Guenther <rguenther@suse.de>
6456 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6457 type conversions after folding.
6459 2006-06-19 Richard Guenther <rguenther@suse.de>
6461 * ggc-page.c (extra_order_size_tab): Add entries with
6462 size of struct function and basic_block.
6463 (size_lookup): Extend to cover sizes up to 511.
6464 (ggc_alloc_stat): Adjust user.
6465 (ggc_pch_count_object): Likewise.
6466 (ggc_pch_alloc_object): Likewise.
6467 (ggc_pch_write_object): Likewise.
6469 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6471 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6472 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6475 2006-06-19 Denis Chertykov <denisc@overta.ru>
6477 * config/avr/libgcc.S : Correct my wrong previous commit.
6479 2006-06-19 Roger Sayle <roger@eyesopen.com>
6482 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6483 have stripped a SUBREG from the shift count, so we may need to
6484 convert_to_mode back to the type's mode before calling make_tree.
6485 Use new_amount instead of amount to avoid expanding a tree twice.
6487 2006-06-19 Richard Guenther <rguenther@suse.de>
6490 * fold-const.c (operand_equal_p): Check if the argument types
6491 have the same precision before stripping NOPs.
6493 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6495 Fix PR tree-optimization/27341
6496 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6498 * tree-complex.c (pass_lower_complex): Update SMT usage.
6500 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6502 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6503 Add a new alternative to the constraint strings. Add move of
6504 operand 1 to 3 to the splitter definition.
6505 ("doloop_si_long"): Second contraint alternative removed.
6507 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6509 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6510 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6512 (AVR_HAVE_MOVW) Define.
6513 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6514 (ASM_SPEC): Add avr25.
6515 (LINK_SPEC): Add avr25.
6516 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6517 (base_arch_s): Add new member 'have_movw_lpmx'.
6518 (avr_arch_types): Init 'have_movw_lpmx'.
6519 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6520 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6521 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6522 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6523 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6525 (avr_file_start): Do not output '.arh' derective.
6526 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6527 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6528 * config/avr/avr.md (mcu_enhanced): Delete.
6529 (mcu_have_movw): Define.
6530 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6531 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6532 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6533 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6534 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6535 attiny861 and at86rf401 devices.
6537 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6539 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6542 2006-06-17 Karl Berry <karl@gnu.org>
6544 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6545 doc/gccint.texi, doc/install.texi (@dircategory): Use
6546 "Software development" instead of "Programming", following
6547 the Free Software Directory.
6549 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6551 * config/i386/i386.c (legitimate_tls_address)
6552 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6553 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6554 (*tls_dynamic_gnu2_combine_64): Likewise.
6556 2006-06-16 Richard Guenther <rguenther@suse.de>
6559 * fold-const.c (negate_expr_p): Do not introduce undefined
6560 overflow in negating INTEGER_CSTs.
6561 (fold_negate_expr): Rename from negate_expr. Revert last
6562 change for folding BIT_NOT_EXPR. Change semantics to
6563 return NULL_TREE for non-simplified negations. Do not
6564 strip type conversions and unify type handling.
6565 (negate_expr): New function, wrap around fold_negate_expr
6566 but ensure building a tree always. Strip type conversions
6567 here, fold to result type.
6568 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6570 2006-06-16 Roger Sayle <roger@eyesopen.com>
6573 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6574 that (would) return their results in stack registers.
6576 2006-06-16 Michael Matz <matz@suse.de>
6577 Richard Guenther <rguenther@suse.de>
6579 * fold-const.c (fold_truthop): Only return new tree node if
6580 we canonicalized something.
6582 2006-06-16 Richard Guenther <rguenther@suse.de>
6584 * function.h (enum function_frequency): Move declaration
6585 out of struct function.
6586 (struct function): Move bool fields and the enum to the bitfield
6587 section. Reorder elements to avoid padding. Remove unused
6588 fields left over from the RTL inliner removal.
6589 * function.c (free_after_compilation): Do not zero removed fields.
6590 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6591 (ipa-type-escape.o): Likewise.
6593 2006-06-16 Richard Guenther <rguenther@suse.de>
6595 * cgraph.h (struct cgraph_local_info): Turn bool elements
6597 (struct cgraph_node): Likewise.
6598 (struct cgraph_varpool_node): Likewise.
6600 2006-06-15 Richard Guenther <rguenther@suse.de>
6602 * fold-const.c (fold_truth_not_expr): Rename from
6603 invert_truthvalue. Give it fold_* semantics to avoid
6605 (invert_truthvalue): New function. Wrapper around
6606 fold_truth_not_expr.
6607 (optimize_minmax_comparison): Avoid creating garbage.
6608 (fold_unary): Use fold_truth_not_expr for folding
6610 (fold_ternary): Replace uses of invert_truthvalue with
6611 fold_truth_not_expr where applicable.
6612 * tree.h (fold_truth_not_expr): Prototype.
6614 2006-06-16 Richard Guenther <rguenther@suse.de>
6616 PR tree-optimization/27781
6617 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6618 * ipa-pure-const.c (target.h): Include.
6619 (analyze_function): Do not analyze functions that do not
6622 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6625 * tree-dfa.c (referenced_vars_dup_list): Remove.
6626 (find_referenced_vars): Remove assert.
6627 (referenced_var_check_and_insert): Replace dup list with assert.
6628 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6629 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6631 2006-06-15 Richard Guenther <rguenther@suse.de>
6633 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6634 extra unused identifiers if not dumping.
6635 (create_variable_info_for): Likewise.
6637 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6639 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6640 (derive_constant_upper_bound): Derive more precise upper bound in
6641 common cases. Return type changed to double_int.
6642 (record_estimate): Reflect the changed return type of
6643 derive_constant_upper_bound.
6644 * double-int.c (double_int_zext, double_int_sext): Fix.
6646 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6648 * configure.ac (CFLAGS): Get them from the toplevel or from the
6649 configure invocation.
6650 * configure: Regenerate.
6651 * Makefile.in (CFLAGS): Substitute value provided by configure.
6653 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6656 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6657 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6658 rather than calling add_stmt on it.
6659 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6661 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6664 * reload1.c (reload): Remove registers returned by update_eliminables
6665 from used_spill_regs.
6667 2006-06-13 DJ Delorie <dj@redhat.com>
6669 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6671 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6673 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6674 html__strip_dir, html__mkdir_p. Enhance install-html target.
6675 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6676 * configure: Regenerate.
6678 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6680 * fold-const.c (fold_cond_expr_with_comparison): Check for
6681 Objective-C++ as language in deciding COND_EXPR transformation.
6683 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6686 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6687 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6688 * config/sh/lib1funcs.h (SL, SL1): Define.
6689 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6690 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6691 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6692 (OBJS_Os_4_200): New variable.
6693 ($(T)libgcc-Os-4-200.a): Use it.
6694 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6695 when dividing 1 and/or by 0.
6697 2006-06-13 Roger Sayle <roger@eyesopen.com>
6699 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6700 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6701 * configure: Regenerate.
6703 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6705 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6706 for real instruction.
6708 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6711 * haifa-sched.c (check_cfg): Handle special case.
6713 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6716 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6717 Add debug_info parameter. Chain the vars to the BLOCK instead
6718 of the BIND_EXPR if debug info are requested for them.
6719 (pop_gimplify_context): Adjust for above change.
6720 (gimple_add_tmp_var): Likewise.
6721 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6723 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6724 (convert_local_reference): Likewise.
6725 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6726 (finalize_nesting_tree_1): Request that debug info be emitted
6727 for debug_var_chain.
6729 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6731 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6732 for PR target/27863.
6734 2006-06-13 Richard Guenther <rguenther@suse.de>
6737 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6739 2006-06-13 Richard Guenther <rguenther@suse.de>
6741 PR tree-optimization/27830
6742 * tree-inline.c (copy_body_r): For copying the operand
6743 of an ADDR_EXPR make sure to fold &* afterwards.
6745 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6747 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6748 lvalues in the fb_none case with side-effects.
6750 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6752 * tree-flow.h: Remove the prototype for
6753 compute_phi_arg_on_exit.
6754 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6755 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6758 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6760 * builtins.c (expand_builtin_return_addr): Only use
6761 frame_pointer_rtx when count == 0 and we are expanding
6762 __builtin_return_address.
6764 2006-06-12 Fred Fish <fnf@specifix.com>
6766 * config/mips/mips.c (mips_file_start): Create special section
6767 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6769 2006-06-11 Eric Christopher <echristo@apple.com>
6772 * stor-layout.c (place_field): Remove check for
6773 remaining_in_alignment when aligning at the end of a run.
6775 2006-06-11 Eric Christopher <echristo@apple.com>
6778 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6781 2006-06-11 Roger Sayle <roger@eyesopen.com>
6784 Revert incorrect fix for PR target/27158
6785 2006-05-08 Roger Sayle <roger@eyesopen.com>
6786 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6787 of a reg_equiv_constant if the result is a legitimate constant.
6789 2006-06-11 Roger Sayle <roger@eyesopen.com>
6792 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6793 extract a CONST_VECTOR element and interpret it as an integer.
6794 (vspltis_constant): Use const_vector_elt_as_int instead of the
6795 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6796 * config/rs6000/predicates.md (easy_vector_const): Consider
6797 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6799 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6802 * stor-layout.c (update_alignment_for_field): Don't add extra
6803 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6806 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6808 * config/mips/t-rtems: Add EL/EB multilib variants.
6810 2006-06-09 Mike Stump <mrs@apple.com>
6812 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6814 2006-06-09 David Daney <ddaney@avtrex.com>
6816 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6818 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6820 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6822 2006-06-09 Richard Guenther <rguenther@suse.de>
6824 PR tree-optimization/26998
6825 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6826 of signed types, only TYPE_MIN_VALUE is special, but for both,
6827 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6828 in this case, as is -fwrapv.
6830 2006-06-08 Mike Stump <mrs@apple.com>
6833 * config/darwin.c (darwin_asm_output_anchor): Disable
6834 -fsection-anchors on darwin for now.
6835 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6836 * rs6000/rs6000.c (optimization_options): Likewise.
6838 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6841 * config/i386/i386.c (classify_argument): Skip fields with invalid
6844 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6846 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6847 (cse_insn): Likewise for the stack_pointer_rtx.
6849 2006-06-08 Roger Sayle <roger@eyesopen.com>
6851 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6852 conditions from floating point comparisons.
6854 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6857 * expmed.c (struct alg_hash_entry): Fix type of field T
6858 to match synth_mult argument.
6859 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6861 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6864 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6867 2006-06-08 Richard Guenther <rguenther@suse.de>
6870 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6871 only, if overflow is defined and not trapping.
6872 (negate_expr): Likewise.
6874 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6876 PR tree-optimization/27872
6877 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6878 flag on the new exit edge of the unrolled loop.
6880 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6882 PR rtl-optimization/26449
6883 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6885 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6888 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6889 referenced_variables with matching DECL_UID's.
6890 (find_referenced_vars): Make sure duplicate list is empty to start.
6891 (referenced_var_p): Remove.
6892 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6893 Check if var is in the list, and add if needed. Update the duplicate
6894 list if a different var is in the list with the same DECL_UID.
6895 (add_referenced_var): Call routine to check and insert.
6896 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6897 * tree-flow.h (referenced_vars_dup_list): External declaration.
6899 2006-06-07 Fred Fish <fnf@specifix.com>
6901 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6904 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6907 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6908 the imaginary and real parts of a clobbered register.
6909 Emit insn to set the imaginary part.
6911 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6913 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6914 in lieu of unwind-dw2-fde.c.
6916 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6918 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6920 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6923 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6924 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6925 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6926 V4SImode temporaries and operations instead.
6928 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6930 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6933 2006-06-06 Mike Stump <mrs@apple.com>
6935 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6936 installing during build.
6938 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6940 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6942 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6943 * config/ia64/ia64.c (params.h): New header.
6944 (ia64_optimization_options): New function to adjust parameters.
6945 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6946 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6947 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6949 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6951 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6953 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6956 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6958 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6959 Victor Kaplansky <victork@il.ibm.com>
6961 PR tree-optimization/26360
6962 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6965 2006-06-04 Roger Sayle <roger@eyesopen.com>
6966 Andrew Pinski <pinskia@physics.uc.edu>
6969 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6970 for LABEL_DECL before calling DECL_WEAK.
6973 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6974 LABEL_DECL and PARM_DECL.
6976 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6980 * c-decl.c (grokdeclarator): Disallow variably modified types at
6981 file scope. Avoid marking shared array type of constant size as
6984 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6987 * c-common.c (fold_offsetof_1): Handle static members.
6989 2006-06-04 Eric Christopher <echristo@apple.com>
6991 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6992 (debug_rli): Output value for remaining_in_alignment.
6993 (update_alignment_for_field): Unconditionalize
6994 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6995 extra alignment code.
6996 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6997 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6998 * tree.h (record_layout_info_s): Remove prev_packed.
6999 * doc/extend.texi (ms_struct): Add documentation of format.
7001 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7003 * tree.h: Declare folding_initializer.
7004 * builtins.c (fold_builtin_constant_p): Give definite answer
7005 if folding inside an initializer.
7006 * fold-const.c: Define folding_initializer.
7007 (START_FOLD_INIT): Save and then set folding_initializer.
7008 (END_FOLD_INIT): Restore folding_initializer.
7010 2006-06-04 Richard Guenther <rguenther@suse.de>
7012 PR tree-optimization/27039
7013 * fold-const.c (fold_comparison): Handle pointer comparison
7014 again for all comparison codes. Compare offsets in signed
7016 (fold_binary): Move code from here.
7018 2006-06-03 Roger Sayle <roger@eyesopen.com>
7021 * config/i386/i386.c (construct_container): Split static issued_error
7022 flag into issued_sse_arg_error, issued_sse_ret_error and
7023 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7024 requires the use of x87 registers and the user explicitly
7025 specified the -mno-80387 command line option.
7027 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7029 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7030 HAVE_DECL_SIGALTSTACK.
7032 (segv_handler): Use MC_FLD.
7033 * configure.ac: Check for a sigaltstack declaration.
7034 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7035 * configure: Regenerate.
7036 * config.in: Regenerate.
7038 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7041 * Makefile.in (stmp-fixinc): Fix typo.
7043 2006-06-02 Roger Sayle <roger@eyesopen.com>
7045 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7046 are type correct. Clean-up.
7047 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7048 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7050 2006-06-01 DJ Delorie <dj@redhat.com>
7052 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7053 shift, as we've disabled the "switch" insn that needs it.
7055 2006-06-01 Per Bothner <bothner@bothner.com>
7057 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7058 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7059 * c-ppoutput.c (cb_define): Don't increment line 0.
7061 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7063 * doc/invoke.texi: Add cpu_type power6.
7064 * config.gcc: Add cpu_type power6.
7065 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7066 to power5+ with Altivec.
7067 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7068 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7070 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7072 * config/avr/avr.h (SET_ASM_OP): Define.
7074 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7076 * config/bfin/bfin.c: Fix comment typos.
7078 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7081 * doc/install.texi: Document --enable-bootstrap and
7082 --disable-bootstrap.
7084 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7086 * doc/install.texi: Document that InfoZIP can replace jar.
7088 2006-05-31 Roger Sayle <roger@eyesopen.com>
7090 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7091 isn't available, directly generate the simpler x87 patterns without
7092 the (use (const_int 0)).
7093 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7094 implementation isn't available.
7095 (*negdf2_1): Likewise.
7096 (*negxf2_1): XF mode negation is always done using the x87.
7097 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7099 2006-05-31 Roger Sayle <roger@eyesopen.com>
7101 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7102 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7104 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7106 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7108 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7109 * config/bfin/bfin.c (basic-block.h): Include.
7110 (struct machine_function): New.
7111 (bfin_init_machine_status): New.
7112 (override_options): Initialize init_machine_status.
7113 (bfin_hardware_loop): New.
7114 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7115 (DEF_VEC_P (loop_info)): New.
7116 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7117 (struct loop_info): New.
7118 (loop_info): New typedef.
7119 (struct loop_work): New.
7120 (loop_work): New typedef.
7121 (DEF_VEC_O (loop_work)): New.
7122 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7123 (bfin_dump_loops): New.
7124 (bfin_bb_in_loop): New.
7125 (bfin_scan_loop): New.
7126 (bfin_optimize_loop): New.
7127 (bfin_reorg_loops): New.
7128 (bfin_reorg): Use bfin_reorg_loops.
7129 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7131 (I_REGNO_P): Simplify.
7132 (DP_REGNO_P, DPREG_P): New macros.
7133 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7134 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7135 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7136 Add LT_REGS, LC_REGS, LB_REGS.
7137 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7139 (REGNO_REG_CLASS): Deal with loop registers.
7140 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7142 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7143 New constants for loop registers.
7144 (UNSPEC_LSETUP_END): New.
7145 (seq_insns): New define_attr. Set it for appropriate insns.
7146 (movsi_insn): Add alternatives for move from/to
7147 loop count registers.
7148 (doloop_end): New define_expand.
7149 (loop_end): New define_insn.
7150 (define_split for bad doloop_end): New.
7151 (lsetup_with_autoinit): New define_insn.
7152 (lsetup_without_autoinit): New define_insn.
7153 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7154 * config/bfin/predicates.md (lc_register_operand): New.
7155 (lt_register_operand): New.
7156 (lb_register_operand): New.
7157 (nondp_register_operand): New.
7158 (nondp_reg_or_memory_operand): New.
7159 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7161 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7163 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7164 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7166 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7168 * Makefile.in (CATALOGS): Add po/ prefix.
7169 * configure: Regenerated.
7171 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7174 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7175 a shift operand before calling shift_op. Avoid redundant call of
7178 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7179 DJ Delorie <dj@redhat.com>
7181 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7182 we're inserting is a singlt-bit constant.
7184 2006-05-30 Roger Sayle <roger@eyesopen.com>
7186 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7187 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7189 2006-05-30 Roger Sayle <roger@eyesopen.com>
7191 PR tree-optimization/23452
7192 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7193 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7194 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7195 complex values and with -ffast-math for FP complex values.
7197 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7199 * c-common.h: Remove the prototype for yyparse.
7200 * rtl.h: Remove the prototype for init_loop.
7202 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7204 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7207 2006-05-30 Roger Sayle <roger@eyesopen.com>
7209 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7211 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7212 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7214 2006-05-30 Dirk Mueller <dmueller@suse.de>
7217 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7218 for CONSTANT_CLASS_P expresisons.
7220 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7223 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7225 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7227 PR tree-optimization/27779
7228 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7229 initial_condition instead of CHREC_LEFT.
7231 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7233 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7234 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7235 Make prototypes ISO C90.
7237 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7238 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7240 * see.c (see_analyze_one_def): Correct check.
7241 (see_get_extension_data): Check if extension is parallel.
7242 (see_get_extension_reg): Likewise.
7244 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7247 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7248 into register for (code == GTU).
7250 2006-05-29 Roger Sayle <roger@eyesopen.com>
7252 PR tree-optimization/24964
7253 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7254 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7255 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7256 abs(x)*abs(x) as x*x for scalar floating point modes.
7258 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7261 * lambda-code.c (perfect_nestify): Don't copy statements
7262 in the inner loop: move them to the inner loop header.
7264 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7267 * c-tree.texi: Document OpenMP directives and clauses.
7269 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7271 * varasm.c (globalize_decl): Fix indentation.
7273 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7276 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7277 pass_fre, pass_store_ccp, pass_copy_prop,
7278 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7279 pass_return_slot, pass_object_size, pass_lim,
7280 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7281 pass_loop_prefetch and pass_stdarg.
7283 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7285 * config/bfin/bfin.opt (mfdpic): New option.
7286 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7287 (EXTRA_MULTILIB_PARTS): Likewise.
7288 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7289 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7291 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7292 (CRT_CALL_STATIC_FUNCTION): New.
7293 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7295 (CRT_CALL_STATIC_FUNCTION): New.
7296 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7298 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7299 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7300 (initialize_trampoline): Changed to handle FD-PIC code generation.
7301 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7302 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7303 (override_options): Disallow -mid-shared-library -mfdpic combination.
7304 Can't do unaligned ops if FD-PIC.
7305 Turn off flag_pic if trying to generate non-id-shared-library
7306 non-fdpic code, since it's not supported.
7307 (bfin_assemble_integer): New function.
7308 (TARGET_ASM_INTEGER): Define.
7309 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7311 * config/bfin/crtn.s: Restore them.
7312 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7314 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7315 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7316 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7317 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7318 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7320 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7321 FDPIC_REGS and FDPIC_FPTR_REGS.
7322 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7323 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7324 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7325 (load_funcdescsi): New pattern.
7326 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7327 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7328 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7330 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7332 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7335 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7337 * tree-flow.h: Remove the prototype for add_type_alias.
7338 * tree-ssa-alias.c (add_type_alias): Remove.
7340 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7342 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7343 config/fr30/fr30.md, config/i386/i386-interix.h,
7344 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7345 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7346 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7347 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7348 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7349 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7350 Follow spelling conventions.
7351 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7352 Follow spelling conventions.
7354 2006-05-27 Richard Guenther <rguenther@suse.de>
7357 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7358 to produce a constant of value 1 of generic type.
7360 2006-05-27 Dirk Mueller <dmueller@suse.de>
7362 * cgraphunit.c (decide_is_function_needed): Fix wrong
7365 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7367 PR rtl-optimization/27661
7368 * reload.c (find_reloads): When reloading a VOIDmode constant
7369 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7370 use Pmode as mode of the reload register.
7372 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7374 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7375 is enabled at -O and above.
7377 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7380 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7383 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7386 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7387 for anonymous variables explicitly declared by front ends.
7389 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7391 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7392 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7393 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7394 ref-all pointers, run a finalization pass for them.
7395 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7396 (finalize_ref_all_pointers): New function.
7397 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7398 regular pointer type to a ref-all pointer type.
7399 (get_tmt_for): Return the special memory tag for ref-all pointers.
7401 2006-05-25 Richard Guenther <rguenther@suse.de>
7404 * fold-const.c (fold_binary): Do not look at the stripped
7405 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7407 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7409 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7410 for LT and GT if the computed range is effectively empty.
7412 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7415 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7416 mips_quad_format formats instead of ieee_single_format,
7417 ieee_double_format and ieee_quad_format formats, respectively.
7419 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7421 PR tree-optimization/27639
7422 PR tree-optimization/26719
7423 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7424 call to scev_probably_wraps_p.
7425 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7426 used_in_pointer_arithmetic_p, convert_step): Removed.
7427 (nowrap_type_p): New function.
7428 (scev_probably_wraps_p): Rewritten.
7429 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7430 chrec_convert if chrec_convert_aggressive might have been used.
7431 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7432 scev_direction): New functions.
7433 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7434 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7435 instead of convert_step.
7436 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7437 (convert_step): Declaration removed.
7438 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7440 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7442 * df-core.c: Added to header comments.
7443 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7444 df_ur_bb_info, df_urec_bb_info): Added comments.
7445 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7446 urec, ri problems): Fixed header comments.
7447 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7448 code from df_rd_transfer_function.
7450 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7452 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7453 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7454 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7456 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7458 * expr.c (undefined_operand_subword_p): New.
7459 (emit_move_multi_word): Do not generate move from undefined bits
7460 of a paradoxical subreg.
7462 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7464 PR rtl-optimization/27736
7465 * combine.c (replaced_rhs_value): New variable.
7466 (combine_instructions): Set it.
7467 (distribute_notes): When distributing a note in replaced_rhs_insn,
7468 check whether the value was used in replaced_rhs_value.
7470 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7473 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7474 add_referenced_var instead of add_referenced_tmp_var.
7475 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7476 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7478 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7479 tree_optimize_tail_calls_1): Use add_referenced_var.
7480 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7481 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7482 Use add_referenced_var.
7483 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7484 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7485 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7486 Use add_referenced_var.
7487 * tree-dfa.c (struct walk_state): Remove.
7488 (find_referenced_vars): Remove walk state and vars_found hash table.
7489 (make_rename_temp): Use add_referenced_var.
7490 (find_vars_r): Pass less parameters to add_referenced_var.
7491 (referenced_var_p): New. Is var in referenced_var hash table.
7492 (referenced_var_insert): Assert var isn't already in hash table.
7493 (add_referenced_var): Don't need walk_state parameter. Add var if it
7494 isn't already in the hash table.
7495 (add_referenced_tmp_var): Remove.
7496 (find_new_referenced_vars_1): Use add_referenced_var.
7497 * tree-ssa-pre.c (create_expression_by_pieces,
7498 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7499 Use add_referenced_var.
7500 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7501 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7502 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7504 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7505 vect_create_data_ref_ptr, vect_create_destination_var,
7506 vect_init_vector, vect_build_loop_niters,
7507 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7508 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7509 Use add_referenced_var.
7510 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7511 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7512 (add_referenced_var): Add prototype.
7513 * tree-ssa-structalias.c (get_constraint_for,
7514 intra_create_variable_infos): Use add_referenced_var.
7516 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7518 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7519 big-endian paradoxical subregs.
7520 * var-tracking.c (struct micro_operation_def): Document that,
7521 for modify micro operations, insn is the subsequent instruction.
7522 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7523 (var_reg_set, var_mem_set): ... new functions.
7524 (add_stores): Record subsequent insn.
7525 (compute_bb_dataflow): Use new functions for MO_USE.
7526 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7527 notes after the insn, and modify notes before the insn known
7528 to be the subsequent one.
7529 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7531 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7534 * config/i386/i386.c (ix86_expand_builtin): Use
7535 gen_sse3_monitor64 for TARGET_64BIT.
7537 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7539 PR rtl-optimization/26375
7540 PR rtl-optimization/26855
7541 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7543 (df_ru_bb_local_compute): Reversed statements and removed bogus
7544 comment explaining why they should be in wrong order.
7545 (df_ru_dump, df_rd_dump): Enhanced debug info.
7546 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7548 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7549 reaching uses and fixed space problem.
7551 2006-05-23 Jan Hubicka <jh@suse.cz>
7553 * cgraphunit.c (decide_is_function_needed): Also nested functions
7554 and functions declared inline can be optimized out at -O0.
7556 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7558 * doc/install.texi (Configuration): Remove reference to CrossGCC
7562 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7565 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7566 ix86_compare_emitted is non-NULL.
7568 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7571 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7574 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7576 PR rtl-optimization/25514
7577 * combine.c (replaced_rhs_insn): New variable.
7578 (combine_instructions): Set replaced_rhs_insn when trying to replace
7579 a SET_SRC with a REG_EQUAL note.
7580 (distribute_notes): Use replaced_rhs_insn when determining the live
7581 range of a REG_DEAD register.
7583 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7584 Anatoly Sokolov <aesok@post.ru>
7586 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7587 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7588 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7589 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7590 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7591 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7592 at90usb647, at90usb1286 and at90usb1287 devices.
7593 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7594 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7596 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7598 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7600 2006-05-22 Richard Guenther <rguenther@suse.de>
7603 2006-01-31 Richard Guenther <rguenther@suse.de>
7604 Paolo Bonzini <bonzini@gnu.org>
7606 * doc/install.texi (--disable-libgcc-math): Document.
7608 2006-05-22 Richard Guenther <rguenther@suse.de>
7611 2006-01-31 Richard Guenther <rguenther@suse.de>
7613 * doc/invoke.texi (-msselibm): Document.
7614 * target.h (expand_library_builtin): New target hook.
7615 * builtins.c (expand_builtin): Use expand_library_builtin.
7616 (default_expand_library_builtin): New function.
7617 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7618 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7619 (link_gcc_math_spec): Declare.
7620 (static_specs): Add link_gcc_math_spec.
7621 * expr.h (default_expand_library_builtin): Declare.
7622 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7623 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7624 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7625 * config/i386/i386.opt (msselibm): New target option.
7626 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7627 (ix86_init_sse_abi_builtins): New function.
7628 (ix86_expand_library_builtin): Likewise.
7629 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7630 (override_options): Handle error conditions wrt -msselibm.
7631 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7632 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7633 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7636 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7639 * c-common.c (self_promoting_args_p): Skip erroneous args.
7642 * c-decl.c (finish_struct): Skip erroneous fields.
7644 2006-05-22 Nick Clifton <nickc@redhat.com>
7646 * config/cris/cris.opt (march): Remove VarExists attribute.
7647 (max-stackframe=): Likewise.
7649 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7651 * doc/rtl.texi: Fix a typo.
7652 * see.c: Fix comment typos.
7654 * tree-ssa-structalias.h (alias_info): Remove num_references.
7656 2006-05-21 Mike Stump <mrs@apple.com>
7658 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7660 (darwin_pragma_options): Use BAD instead.
7661 (darwin_pragma_unused): Likewise.
7662 (darwin_pragma_ms_struct): Likewise.
7664 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7666 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7668 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7670 PR rtl-optimization/27671
7671 * simplify-rtx.c (simplify_relational_operation_1): Fix
7672 simplifications of (eq/ne (xor x y) y) and
7673 (eq/ne (xor x y) x).
7675 PR tree-optimization/26622.
7676 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7679 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7681 * tree-cfg.c: Prune whitespace.
7682 (debug_tree_cfg): Point to correct header containing the
7685 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7688 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7690 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7693 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7694 or sorry count is non zero.
7696 2006-05-20 Andreas Schwab <schwab@suse.de>
7698 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7700 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7701 Kenneth Zadeck <zadeck@naturalbridge.com>
7703 PR rtl-optimization/26855
7705 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7707 (df_scan_alloc): Added code to properly handle multiword hard
7708 registers and add all_blocks parameter.
7709 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7710 code to properly handle multiword hard registers.
7711 (df_rescan_blocks): Added code to remove deleted blocks from
7713 (df_ref_create_structure, df_ref_record): Added code to properly
7715 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7716 and set DF_REF_PARTIAL.
7717 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7718 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7719 (df_scan_add_problem): Added flags parameter.
7720 (df_ref_create_structure): Changed switching structure.
7721 (df_bb_refs_record): Fixed case where duplicate artificial refs
7722 were created. Changed location of flags.
7723 (df_record_entry_block_defs): Added code to make stack pointer
7724 live in entry block. Refined cases where frame pointer is needed.
7725 Changed location of flags.
7726 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7727 (df_set_state): Removed function.
7728 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7729 df_insn_create_insn_record, df_insn_refs_delete,
7730 df_ref_create_structure): Formatting changes.
7731 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7732 df_delete_basic_block): New function.
7733 (df_init): Changed location of flags.
7734 (df_add_problem): Added flags parameter and the way flags are
7736 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7737 debug_df_chain): Improved debugging output.
7738 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7739 (df_refs_chain_dump): Removed df parameter.
7740 (df_iterative_dataflow): Added consistency check.
7741 (df_prune_to_subcfg): Made public.
7742 (df_analyze_problem): Added blocks_to_init parameter and made
7744 (df_ref_record, df_bb_refs_record, df_mark_reg,
7745 df_record_exit_block_uses): Whitespace changes.
7746 (df_dump): Whitespace changes.
7747 * df.h: Some reordering to remove forward references.
7748 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7749 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7750 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7751 (dataflow.flags): New field.
7752 (df.flag): Deleted field.
7753 (df_alloc_function): Added additional bitmap parameter.
7754 (df_dependent_problem_function): New type.
7755 (df_problem.changeable_flags): New field.
7756 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7757 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7758 (df_mw_hardreg): New struct.
7759 (DF_INSN_UID_MWS): New macro.
7760 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7762 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7763 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7764 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7765 (df_set_state): Removed function.
7766 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7767 * df-problems.c (df_chain_dump): Removed df parameter.
7768 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7769 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7771 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7772 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7773 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7774 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7775 DF_REF_MUST_CLOBBER cases.
7776 (df_ru_bb_local_compute_process_def,
7777 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7778 df_lr_bb_local_compute, df_ur_bb_local_compute,
7779 df_chain_create_bb): Made subreg aware.
7780 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7781 df_lr_bb_local_compute, df_lr_bb_local_compute,
7782 df_chain_create_bb): Cleanup to use proper macros.
7783 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7784 code to fixup bitvectors.
7785 (df_ri_alloc): Cleared lifetime.
7786 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7787 df_create_unused_note): New function.
7788 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7789 REG_DEAD and REG_UNUSED notes as well as register information.
7790 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7791 df_chains_dump): Fixed crash if problem was never run.
7792 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7793 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7794 df_ri_add_problem): Processes flags in uniform manner.
7795 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7796 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7797 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7798 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7799 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7800 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7801 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7802 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7803 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7804 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7805 * see.c (see_initialize_data): Ditto.
7806 * final.c (rest_of_clean_state) Added regstack_completed.
7807 * rtl.h (regstack_completed): Ditto.
7808 * reg-stack.c (regstack_completed): Ditto.
7810 2006-05-19 Mike Stump <mrs@apple.com>
7812 * c-tree.h (default_conversion): Remove.
7813 * c-common.h (default_conversion): Add.
7815 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7817 * tree-vrp.c (valid_value_p): New function.
7818 (adjust_range_with_scev): Fail if the value of bound is not
7821 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7823 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7824 (mips_fallback_frame_state): Use syscall numbers to determine
7825 the appropriate li instruction for the current ABI. Only use
7826 __NR_sigreturn for o32.
7828 2006-05-19 Nicolas Setton <setton@adacore.com>
7830 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7831 * langhooks.c (lhd_dwarf_name): New function.
7832 * langhooks-def.h (lhd_dwarf_name): Declare.
7833 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7834 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7835 * ada/misc.c (gnat_dwarf_name): New function.
7836 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7838 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7840 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7842 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7843 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7844 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7845 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7846 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7847 determine the size of Wtype, etc.
7848 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7849 (swfloatfuncs): New variable.
7850 (dwfloatfuncs): Likewise.
7851 (lib2funcs): Remove floating-point conversion functions from
7852 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7853 the set of conversion routines needed. Allow entries to specify
7854 an object name, filename and word size. Update users accordingly.
7855 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7856 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7860 2006-02-08 Roger Sayle <roger@eyesopen.com>
7863 * config/fixtfdi.c: New libgcc source file.
7864 * config/fixunstfdi.c: New source file.
7865 * config/floatditf.c: New source file.
7866 * config/floatunditf.c: New souce file.
7867 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7868 files above instead of config/mips/_tilib.c.
7869 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7871 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7873 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7874 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7876 2006-05-18 Mike Stump <mrs@apple.com>
7878 Fix up vla, vm and [*] sematics.
7884 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7885 (c_vla_unspec_p): Add.
7886 (c_vla_type_p): Add.
7887 * c-decl.c (struct c_scope): Add had_vla_unspec.
7888 (build_array_declarator): Add support for [*].
7889 (grokdeclarator): Likewise.
7890 (grokparms): Likewise.
7891 (get_parm_info): Likewise.
7892 * c-objc-common.c (c_vla_unspec_p): Likewise.
7893 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7894 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7895 typeof when argument is a variably modified type not inside sizeof or alignof.
7896 (c_parser_direct_declarator_inner): Propagate errors.
7897 (c_parser_sizeof_expression): Add support for [*].
7898 (c_parser_parms_declarator): Initialize had_vla_unspec.
7899 (c_parser_parms_list_declarator): Likewise.
7900 * c-typeck.c (c_vla_type_p): Add.
7901 (composite_type): Add support for vla compositing.
7902 (comptypes_internal): Add support for vla compatibility.
7903 (c_expr_sizeof_expr): Evaluate vla arguments.
7904 * tree.c (variably_modified_type_p): Update comment for [*].
7906 2006-05-18 Michael Matz <matz@suse.de>
7909 * config.host: Make assignments to host_xmake_file cumulative.
7910 * config.host (*-darwin*): Test $host, not $target.
7912 2006-05-12 Stuart Hastings <stuart@apple.com>
7914 * config/i386/i386.opt (-mstackrealign): New flag.
7915 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7916 (ix86_handle_cconv_attribute): Emit error when
7917 force_align_arg_pointer attribute collides with too many regparms.
7918 (ix86_function_regparm): Limit regparms when used with
7919 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7920 Support stack-realigning prologue in non-main functions. Emit
7921 warning for nested functions under -mstackrealign, emit error for
7922 nested functions with force_align_arg_pointer attribute.
7923 * doc/extend.texi (force_align_arg_pointer): Document it.
7924 * doc/invoke.texi (-mstackrealign): Document it.
7926 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7928 PR rtl-optimization/27477
7929 * combine.c (try_combine): Don't split a parallel consisting
7930 of two sets into two individual sets if both sets reference
7933 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7935 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7936 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7938 * doc/options.texi (VarExists): Updated.
7940 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7942 * unwind-dw2.c: Add declarations for uw_update_context and
7944 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7945 detected, advance frame state and context once to skip over stub.
7947 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7951 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7952 Call rewrite_into_loop_closed_ssa only when something changed.
7953 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7954 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7955 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7956 Test for perfect_nest_p here. Fix formating.
7957 (replace_uses_equiv_to_x_with_y): Fix formating.
7958 (stmt_uses_op): Removed.
7959 (can_convert_to_perfect_nest): Removed loopivs parameter.
7960 Complete the test by checking the scalar dependences.
7961 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7964 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7967 From Dan Kegel <dank@kegel.com>:
7968 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7970 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7972 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7973 if the element type is variably modified without recursing.
7975 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7978 * tree-loop-linear.c (try_interchange_loops): Test for
7979 no data dependences.
7981 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7983 PR tree-optimization/27548
7984 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7985 range of ssa names that appear on abnormal edges.
7986 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7987 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7989 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7992 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7994 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7997 * tree.h (OMP_PARALLEL_COMBINED): Define.
7998 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7999 (new_omp_context): Add is_combined_parallel argument.
8000 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8001 new_omp_context caller.
8002 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8003 Adjust gimplify_scan_omp_clauses callers.
8004 (omp_is_private): Issue errors if iteration variable is firstprivate
8005 or reduction in the current context.
8006 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8007 on combined parallel workshare constructs.
8009 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8011 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8012 (gcc-options.o): New rule.
8014 * optc-gen.awk: Protect variables for gcc-options.o with
8015 #ifdef GCC_DRIVER/#endif.
8017 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8019 Fix PR tree-optimization/27373
8020 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8021 (forward_propagate_addr_expr): Update call.
8023 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8025 * doc/options.texi: Move the Negative option.
8027 2006-05-16 Richard Guenther <rguenther@suse.de>
8029 PR tree-optimization/22303
8030 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8032 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8033 ccp_fold did not simplify the statement.
8035 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8038 * Makefile.in (GCC_OBJS): New.
8039 (OBJS-common): Add opts-common.o.
8040 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8041 (cpp$(exeext)): Likewise.
8042 (gcc.o): Also depend on opts.h.
8043 (opts-common.o): New.
8045 * common.opt (gcoff): Add Negative(gdwarf-2).
8046 (gdwarf-2): Add Negative(gstabs).
8047 (gstabs): Add Negative(gstabs+).
8048 (gstabs+): Add Negative(gvms).
8049 (gvms): Add Negative(gxcoff).
8050 (gxcoff): Add Negative(gxcoff+).
8051 (gxcoff+): Add Negative(gcoff).
8052 * config/i386/i386.opt (m32): Add Negative(m64).
8053 (m64): Add Negative(m32).
8055 * doc/options.texi: Document the Negative option.
8057 * gcc.c: Include "opts.h".
8058 (main): Call prune_options after expandargv.
8060 * optc-gen.awk: Generate common declarations for all flag
8061 variables in options.c. Output the neg_index field.
8063 * opts.c (find_opt): Moved to ...
8064 * opts-common.c: Here. New file.
8066 * opts.h (cl_option): Add a neg_index field.
8068 (prune_options): Likewise.
8070 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8073 * omp-low.c (expand_omp_parallel): Don't assert
8074 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8075 instead search for it.
8078 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8081 2006-05-16 Andreas Schwab <schwab@suse.de>
8083 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8086 2006-05-15 Roger Sayle <roger@eyesopen.com>
8089 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8090 integer constants other than zero are only legitimate on TARGET_64BIT.
8091 <CONST_VECTOR> Only zero vectors are legitimate.
8092 (ix86_cannot_force_const_mem): Integral and vector constants can
8093 always be put in the constant pool.
8095 2006-05-16 DJ Delorie <dj@redhat.com>
8097 * crtstuff.c (__dso_handle): Set section from
8098 TARGET_LBIGCC_SDATA_SECTION if defined.
8099 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8100 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8102 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8105 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8108 2006-05-16 Ben Elliston <bje@au.ibm.com>
8110 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8112 2006-05-15 Per Bothner <per@bothner.com>
8114 * tree.c: (last_annotated_node): Use source_locus typedef.
8115 This permits bootstrapping with --enable-mapped-location.
8117 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8119 PR tree-optimization/26830
8120 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8121 (info_for_ssa_name, current_info_for_ssa_name_age,
8122 blocks_to_update): New variables.
8123 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8124 (clear_ssa_name_info, initialize_flags_in_bb,
8125 mark_block_for_update): New functions.
8126 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8127 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8128 prepare_def_site_for): Use mark_block_for_update.
8129 (mark_def_interesting): Assert that the processed block is marked in
8130 blocks_to_update. Do not take blocks argument.
8131 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8133 (rewrite_update_init_block, rewrite_update_stmt): Only process
8134 blocks with statements to rewrite.
8135 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8136 (update_ssa): Initialize and free blocks_to_update. Do not
8137 clear flags on statements. Do not use blocks bitmap.
8138 * tree.h (SSA_NAME_AUX): Removed.
8139 (struct tree_ssa_name): Removed aux field.
8140 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8142 2006-05-15 Richard Guenther <rguenther@suse.de>
8144 PR tree-optimization/27603
8145 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8146 Do computations in original type.
8148 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8150 * see.c: Code style changes such as redundant paranthesis,
8151 redundant intialization of local variables etc.
8152 (see_main): Declared now as static.
8153 * doc/invoke.texi: Update that -fsee is not enabled by
8156 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8158 * omp-low.c (check_omp_nesting_restrictions): New function.
8159 (scan_omp_1): Call it.
8162 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8163 construct, return *VAR.
8165 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8167 PR rtl-optimization/27406
8168 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8171 2006-05-14 Roger Sayle <roger@eyesopen.com>
8173 PR rtl-optimization/27538
8174 * combine.c (expand_compound_operation): Call gen_lowpart
8175 before calling simplify_shift_const.
8177 2006-05-14 Roger Sayle <roger@eyesopen.com>
8179 PR rtl-optimization/22563
8180 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8181 a fixed width bitfield, always force the intermediates into psuedos.
8183 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8186 * mkconfig.sh: Use operator = instead of == for test.
8188 2006-05-13 Nick Clifton <nickc@redhat.com>
8190 * dwarf2out.c (dbx_reg_number): Check return value from
8191 LEAF_REG_REMAP and only use it if it is valid.
8192 (multiple_reg_loc_descriptor): Likewise.
8194 2006-05-13 Richard Guenther <rguenther@suse.de>
8196 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8199 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8201 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8202 information attached to non-INSNs such as NOTEs.
8203 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8205 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8207 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8209 * config/s390/s390.md: Adjust comment describing On constraint.
8211 2006-05-11 Jan Hubicka <jh@suse.cz>
8213 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8214 to be output at -O0.
8216 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8219 * fold-const.c (size_binop): Move sanity check for arguments to
8220 the beginning of the function.
8223 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8226 2006-05-11 Richard Guenther <rguenther@suse.de>
8229 * fold-const.c (fold_unary): Handle intermediate conversion
8230 to a pointer type like intermediate conversion to an integer
8231 type in folding of (T1)(T2)var to var.
8232 Match the code to the comment in the final conversion for
8233 (T1)(T2)var to (T1)var regarding to type precision. Rather
8234 than disallow T1 being of pointer type, assert that both T1
8235 and var are of pointer type or not. Make sure not to fall
8236 over the frontends lazyness wrt array to pointer decay though.
8238 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8240 * arm.c (arm_struct_value_rtx): Delete.
8241 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8242 (arm_init_cumulative_args): Always initialize nregs to zero.
8244 2006-05-10 Richard Guenther <rguenther@suse.de>
8246 PR tree-optimization/27532
8247 * tree-object-size.c (plus_expr_object_size): Fix typo.
8249 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8252 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8253 ashrdi_const, ashrdi3): Use a scratch register.
8255 2006-05-10 Richard Guenther <rguenther@suse.de>
8257 PR tree-optimization/27302
8258 * fold-const.c (operand_equal_p): For two comparisons,
8259 try comparison of one comparison code swapped if that yields
8262 2006-05-10 Ben Elliston <bje@au.ibm.com>
8264 * tree-pretty-print.c (pretty_print_string): No need to handle
8265 '\0' as a special character.
8267 * tree.h: Include "hashtab.h".
8268 (iterative_hash_expr): Use hashval_t in its prototype.
8269 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8271 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8274 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8275 (hppa*64*-*-hpux11*): Ditto.
8276 (hppa[12]*-*-hpux11*): Ditto.
8278 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8281 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8283 2006-05-09 Michael Matz <matz@suse.de>
8285 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8286 host_extra_gcc_objs and host_xmake_file.
8287 (<*-*-linux*>): Don't overwrite host_xmake_file.
8288 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8289 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8290 (host_detect_local_cpu): Declare.
8291 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8292 * config/i386/i386.c (override_options): Handle -mtune=native
8294 * config/i386/x-i386: New file.
8295 * config/i386/driver-i386.c: New file.
8296 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8299 2006-05-09 Dirk Mueller <dmueller@suse.de>
8300 Richard Guenther <rguenther@suse.de>
8303 * fold-const.c (fold_read_from_constant_string): Relax check
8304 for matching types to matching modes.
8306 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8308 PR rtl-optimization/27335
8309 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8312 2006-05-08 Chao-ying Fu <fu@mips.com>
8313 Richard Sandiford <richard@codesourcery.com>
8315 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8316 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8317 * config/mips/mips.md (UNSPEC_SCC): New constant.
8318 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8319 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8320 (mips_emit_compare): Use it.
8321 (mips_expand_vcondv2sf): New function.
8323 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8325 Fix PR tree-optimization/27093
8326 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8327 renaming when they become not-used_alone.
8329 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8331 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8332 relocation and relocation stubs.
8334 2006-05-08 Eric Christopher <echristo@apple.com>
8336 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8339 2006-05-08 Jan Hubicka <jh@suse.cz>
8342 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8343 unused static functions are needed.
8345 2006-05-08 Roger Sayle <roger@eyesopen.com>
8348 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8349 of a reg_equiv_constant if the result is a legitimate constant.
8351 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8354 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8355 standard 80387 constants, raise the cost to prevent
8356 compress_float_constant() to generate load from memory.
8358 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8360 * config/arm/constraints.md (c): Fix a typo.
8362 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8365 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8368 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8370 (_mm_mwait): Likewise.
8372 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8374 (sse3_monitor): Make it 32bit only.
8375 (sse3_monitor64): New. 64bit monitor.
8377 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8380 * config/i386/i386.c (classify_argument): Skip fields with invalid
8383 2006-05-07 Richard Guenther <rguenther@suse.de>
8385 PR tree-optimization/27409
8386 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8387 Do not try to find zero-sized subvars.
8389 2006-05-07 Richard Guenther <rguenther@suse.de>
8391 PR tree-optimization/27136
8392 * tree-ssa-loop-niter.c (get_val_for): Correct function
8393 comment, assert requirements.
8394 (loop_niter_by_eval): Stop processing if the iterated
8395 value did not simplify.
8397 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8399 * opts.c (flag_see): remove its setting at -O3.
8401 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8403 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8404 * arm/constraints.md: New file.
8405 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8406 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8407 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8408 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8409 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8410 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8411 * arm.md: Include constraints.md.
8412 (thumb_movsi_insn): Use satisfies_constraint_J.
8413 (movhi, movqi): Use satisfies_constraint_I.
8415 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8417 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8418 for atmeg a645 device.
8420 2006-05-06 Richard Guenther <rguenther@suse.de>
8422 PR tree-optimization/27151
8423 * tree-vect-transform.c (vectorizable_condition): Punt on
8424 values that have a different type than the condition.
8426 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8429 * c-parser.c (c_parser_cast_expression): Only insert casts into
8430 hash table if pointer.
8431 * function.c (used_types_insert_helper): Rename from
8433 (used_types_insert): Call used_types_insert_helper.
8434 * function.h (used_types_insert): Accept only one argument.
8436 2006-05-05 David Edelsohn <edesohn@gnu.org>
8438 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8439 scratch with output modifier.
8441 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8444 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8445 with output modifier.
8447 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8450 * config/mips/mips.c (mips_symbolic_address_p): Return true
8451 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8452 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8454 2006-05-04 Richard Guenther <rguenther@suse.de>
8456 PR tree-optimization/14287
8457 PR tree-optimization/14844
8458 PR tree-optimization/19792
8459 PR tree-optimization/21608
8460 PR tree-optimization/27090
8461 * tree-ssa-pre.c (try_combine_conversion): New function.
8462 (compute_avail): After constructing the value-handle
8463 expression, use try_combine_conversion to combine NOP_EXPRs
8464 with previous value-handle expressions and use the result if it
8467 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8469 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8471 2006-05-04 Jan Hubicka <jh@suse.cz>
8474 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8476 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8478 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8479 that this only matches CONST_INTs. All users changed to VOIDmode
8482 * config/bfin/bfin.c: Include "optabs.h".
8483 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8485 (enum bfin_builtins): Add a number of fractional and vector builtins.
8486 (bfin_init_builtins): Likewise.
8487 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8488 (safe_vector_operand, bfin_expand_binop_builtin,
8489 bfin_expand_unop_builtin): New functions.
8490 (bfin_expand_builtin): Handle the new builtins.
8491 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8494 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8497 * Makefile.in (OBJS-common): Add see.o.
8498 (see.o): Add dependencies.
8499 * common.opt (fsee): New flag for the see optimization was added.
8500 * opts.c (flag_see): Initialized.
8501 * passes.c (init_optimization_passes, pass_see): New pass.
8502 * rtl.h (see_main): Declaration as extern.
8503 * timevar.def (TV_SEE): New.
8504 * tree-pass.h (pass_see): Declaration as extern.
8505 * invoke.texi (-fsee): Document.
8506 * recog.c (validate_simplify_insn): New function.
8507 * recog.h (validate_simplify_insn): Declaration as extern.
8508 * df-problems.c (df_chain_dump): Check for NULL.
8510 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8511 Daniel Berlin <dberlin@dberlin.org>
8513 * cfgrtl.c (insert_insn_bb_end_new): New function.
8514 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8516 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8518 * df.h (struct web_entry): Moved from web.c.
8519 (union_defs): Declaration as extern.
8520 (unionfind_root): Likewise.
8521 (unionfind_union): Likewise.
8522 * web.c (struct web_entry): Moved to df.h.
8523 (unionfind_root): Remove static declaration.
8524 (unionfind_union): Likewise.
8525 (union_defs): Likewise and generalize to use callback function.
8526 (web_main): Update arguments for union_defs function call.
8528 2006-05-04 Richard Guenther <rguenther@suse.de>
8530 PR tree-optimization/26447
8531 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8532 produce SSA_NAME copies before the store stmt to avoid
8533 breaking exception handling.
8535 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8538 * gimplify.c (omp_is_private): If var is shared in some outer context,
8539 return false instead of true. Stop searching on parallel context
8542 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8545 * coverage.c: Use get_gcov_unsigned_t() instead of
8546 unsigned_type_node all over.
8548 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8550 PR tree-optimization/27381
8551 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8552 maintain the same immediate_use links.
8553 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8554 node rather than segfaulting.
8556 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8559 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8560 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8561 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8563 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8565 Fix PR tree-optimization/26626
8566 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8568 * tree-ssa-operands.c (access_can_touch_variable): Allow
8569 typecasting through union pointers.
8571 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8574 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8575 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8576 to find if var will be a global variable even in the nested context.
8577 (omp_copy_decl): Only check for global variable at the end, it might
8578 be overridden in outer contexts.
8579 (scan_sharing_clauses): For global variables don't create a field.
8580 (lower_rec_input_clauses): Do nothing for global shared variables.
8581 Emit a barrier at the end of ILIST if there were any decls in both
8582 firstprivate and lastprivate clauses.
8583 (lower_send_clauses): Do nothing for global variables except for
8586 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8588 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8589 of the correct signedness is returned.
8591 2006-05-02 Jeff Law <law@redhat.com>
8593 PR tree-optimization/27364
8594 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8595 multiply expressions.
8597 2006-05-02 Tom Tromey <tromey@redhat.com>
8599 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8601 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8604 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8605 -mthumb -fPIC are used.
8607 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8608 Joshua Kinard <kumba@gentoo.org>
8611 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8612 with 64-bit pointers.
8614 2006-05-02 Paul Brook <paul@codesourcery.com>
8616 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8618 (create_fix_barrier): Check that a suitable barrier location is
8620 (arm_reorg): Include ftmp->address in allowable range of addresses.
8622 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8625 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8628 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8631 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8632 around RESULT_DECL for result passed by reference.
8633 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8634 * omp-low.c (use_pointer_for_field): Don't look at
8635 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8636 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8637 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8638 time or var for passing by reference for
8639 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8640 TREE_ADDRESSABLE variables when passing by reference.
8642 * omp-low.c (dump_omp_region): Fix output formatting.
8645 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8646 (expand_omp_parallel): Likewise.
8647 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8650 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8651 on statement list containing also constructors and destructors.
8652 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8655 * except.c (duplicate_eh_regions): Fix clearing of
8656 cfun->eh->region_array entries.
8658 2006-05-01 DJ Delorie <dj@redhat.com>
8660 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8662 (gcc_cv_objdump): Likewise.
8663 * configure: Regenerated.
8665 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8668 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8669 templates for case 3 and 4.
8671 2006-05-01 DJ Delorie <dj@redhat.com>
8673 * vec.c: Include bconfig.h when appropriate.
8674 * Makefile.in (build/vec.o): Adjust dependencies.
8675 * mkconfig.sh: Make sure config.h isn't used for build machine
8678 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8680 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8682 (mark_phi_for_rewrite): New function.
8683 (insert_phi_nodes_for, mark_use_interesting): Call
8684 mark_phi_for_rewrite.
8685 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8686 (update_ssa): Initialize and free phis_to_rewrite.
8688 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8690 PR rtl-optimization/27291
8691 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8692 folded to a constant.
8694 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8696 PR tree-optimization/27283
8697 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8698 not whole # of iteration descriptions.
8699 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8700 uses abnormal ssa name.
8701 (niter_for_single_dom_exit): Ditto.
8702 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8703 return just the number of iterations.
8705 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8707 PR tree-optimization/27144
8708 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8709 (record_estimate): Only record constant upper bound.
8710 (infer_loop_bounds_from_undefined): Call
8711 compute_estimated_nb_iterations just once.
8712 (proved_non_wrapping_p): Renamed to ...
8713 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8714 (convert_step_widening, scev_probably_wraps_p): Call
8715 n_of_executions_at_most instead of proved_non_wrapping_p.
8716 (substitute_in_loop_info): Do not replace values in bounds.
8717 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8720 2006-05-01 Richard Henderson <rth@redhat.com>
8723 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8724 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8727 2006-05-01 Roger Sayle <roger@eyesopen.com>
8729 * c-typeck.c (parser_build_binary_op): Don't call the function
8730 unsigned_conversion_warning to spot operand/result type overflow.
8731 (build_binary_op): Instead, call convert_and_check instead of
8732 convert to report the problem when the operands are promoted.
8733 * c-common.c (unsigned_conversion_warning): Make static.
8734 * c-common.h (unsigned_conversion_warning): Delete prototype.
8736 2006-05-01 Richard Guenther <rguenther@suse.de>
8738 PR tree-optimization/26726
8739 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8741 (find_interesting_uses_address): ... we work around here
8742 by folding INDIRECT_REFs in the substituted base.
8744 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8746 * omp-low.c (dump_omp_region): Add newlines.
8748 2006-04-30 Roger Sayle <roger@eyesopen.com>
8750 * common.opt (Woverflow): New command line option.
8751 * c-common.c (constant_expression_warning): Check warn_overflow.
8752 (overflow_waring): Pass OPT_Woverflow to warning.
8753 (unsigned_conversion_warning): Likewise.
8754 (convert_and_check): Likewise.
8755 * doc/invoke.texi: Document new command line option.
8757 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8759 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8760 TARGET_NO_FP_IN_TOC for section anchors.
8761 (optimization_options): Enable section anchors for all
8762 non-"Objective" languages.
8764 2006-04-28 Eric Christopher <echristo@apple.com>
8766 * config/darwin-c.c (darwin_ms_struct): Move this
8767 (darwin_set_default_type_attributes): and this...
8768 * config/darwin.c: ... here.
8769 * config/darwin.h (darwin_ms_struct): Declare.
8771 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8773 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8775 2006-04-28 Roger Sayle <roger@eyesopen.com>
8778 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8779 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8780 an unsigned HOST_WIDE_INT.
8781 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8783 (really_start_incremental_init): No need to call convert because
8784 bitsize_zero_node is already of type bitsizetype.
8785 (push_init_level): Extract the value of constructor_index as an
8786 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8787 (process_init_element): Likewise.
8789 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8791 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8792 value before passing to make_relative_prefix.
8794 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8797 * builtins.c (expand_builtin_memset): Expand val in original mode.
8799 2006-04-27 Eric Christopher <echristo@apple.com>
8801 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8802 with #ifndef/#endif.
8803 * config/darwin-c.c (darwin_ms_struct): New.
8804 (darwin_pragma_ms_struct): Ditto.
8805 (darwin_set_default_type_attributes): Ditto.
8806 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8807 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8808 Register ms_struct pragma.
8809 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8810 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8811 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8812 darwin_set_default_type_attributes if TARGET_MACHO.
8814 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8816 PR tree-optimization/26854
8817 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8818 * doc/tree-ssa.texi: Update immuse iterator documentation.
8819 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8820 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8821 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8822 first_safe_imm_use, next_safe_imm_use): Remove.
8823 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8824 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8825 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8826 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8827 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8828 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8829 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8830 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8831 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8832 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8833 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8834 (perfect_nestify): Use new iterator.
8835 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8837 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8838 (next_imm_name): New field in struct immediate_use_iterator_d.
8839 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8840 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8841 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8842 * tree-cfg.c (replace_uses_by): Use new iterator.
8843 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8844 * tree-ssa-operands.c (correct_use_link): Remove.
8845 (finalize_ssa_use_ops): No longer call correct_use_link.
8847 2006-04-27 Stuart Hastings <stuart@apple.com>
8849 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8850 * config/t-darwin (crt3.o): Use it.
8851 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8852 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8853 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8854 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8855 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8858 2006-04-27 Roger Sayle <roger@eyesopen.com>
8860 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8861 size, force the intermediate into a new pseudo rather instead of
8862 performing both a bitwise AND and a bitwise IOR in memory.
8864 2006-04-27 Richard Guenther <rguenther@suse.de>
8866 PR rtl-optimization/26685
8867 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8868 this one "max-flow-memory-locations".
8870 2006-04-27 Richard Guenther <rguenther@suse.de>
8872 PR tree-optimization/25148
8873 * tree-vrp.c (compare_values): Remove code dealing with
8874 comparisons against type min/max value. Honour overflow
8875 and negative constants in code dealing with comparisons
8876 of plus and minus expressions.
8877 (value_inside_range): Use fold_binary with LE_EXPR and
8878 GE_EXPR rather than compare_values.
8880 2006-04-27 Dirk Mueller <dmueller@suse.de>
8882 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8885 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8887 * basic-block.h (safe_insert_insn_on_edge): Removed.
8888 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8890 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8891 Paolo Bonzini <bonzini@gnu.org>
8894 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8895 (simplify_and_const_int): Same.
8897 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8899 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8901 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8904 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8905 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8906 cgraph_global_info_ready.
8909 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8912 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8913 either decl or init is error_mark_node.
8916 * tree-flow.h (struct omp_region): Add sched_kind.
8917 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8918 instead of extracting omp for data.
8919 (expand_omp_for): Save extracted sched_kind.
8921 2006-04-25 Roger Sayle <roger@eyesopen.com>
8923 * expmed.c (store_bit_field): Also check whether the bitsize is
8924 valid for the machine's "insv" instruction before moving the
8925 target into a pseudo for use with the insv.
8926 * config/i386/predicates.md (const8_operand): New predicate.
8927 * config/i386/i386.md (extv, extzv, insv): Use the new
8928 const8_operand predicate where appropriate.
8930 2006-04-25 DJ Delorie <dj@redhat.com>
8932 * doc/install.texi (Specific): Clarify that this is not a list of
8933 supported hosts or targets.
8935 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8937 PR rtl-optimization/26725
8938 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8939 block's BB_DIRTY flag.
8941 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8943 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8946 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8947 to print an integer.
8949 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8951 * varasm.c (align_variable): New function.
8952 (get_block_for_decl): Apply align_variable to DECL before
8953 calculating section information.
8954 (assemble_variable): Split out alignment computation.
8956 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8958 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8961 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8963 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8964 MODE_PARTIAL_INT mode.
8965 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8966 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8968 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8969 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8971 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8973 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8975 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8976 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8977 MACFLAG_IH): Likewise.
8978 (movstricthi_1): Renamed from "*movstricthi".
8979 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8980 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8981 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8982 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8983 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8984 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8985 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8986 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8987 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8988 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8989 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8990 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8991 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8992 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8993 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8995 * doc/rtl.texi (ss_ashift): Improve wording.
8997 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8999 * dwarf2out.c (verify_marks_clear): New.
9000 (prune_unused_types): Call verify_marks_clear initially, not
9003 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9005 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9006 * doc/rtl.texi: Document them.
9007 * simplify-rtx.c (simplify_unary_operation,
9008 simplify_binary_operation_1): Don't abort when we see them.
9010 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9013 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9014 * configure.ac: Completely disregard languages that are not
9016 * configure: Regenerated.
9018 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9019 Richard Guenther <rguenther@suse.de>
9021 PR tree-optimization/27236
9022 * tree-inline.c (copy_body_r): Make sure to copy
9023 TREE_THIS_VOLATILE flag.
9025 2006-04-24 Richard Guenther <rguenther@suse.de>
9028 * tree-complex.c (update_parameter_components): Don't handle
9029 unused parameters which have no default def.
9031 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9032 Richard Guenther <rguenther@suse.de>
9034 PR tree-optimization/27218
9035 * tree-inline.c (expand_call_inline): Strip useless type
9036 conversions for the return slot address.
9038 2006-04-24 Richard Guenther <rguenther@suse.de>
9040 * cfgloop.h (struct loops): Remove unused field array. Reorder
9042 (LOOP_PREFETCH): Remove.
9044 2006-04-24 Richard Guenther <rguenther@suse.de>
9046 PR tree-optimization/22525
9047 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9048 variable, adjust types of generated expressions.
9050 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9052 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9053 (tree-vect-patterns.o): Likewise.
9055 (cselib.o): Likewise.
9056 (loop-doloop.o): Likewise.
9057 (regclass.o): Likewise.
9058 (reload1.o): Likewise.
9059 (explow.o): Replace target.h with $(TARGET_H).
9060 (ipa-prop.o): Likewise.
9061 (ipa-cp.o): Likewise.
9062 (ipa-inline.o): Likewise.
9063 (reorg.o): Likewise.
9064 (reg-stack.o): Likewise.
9066 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9068 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9070 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9072 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9074 * configure.ac: Completely disregard languages that are not
9076 * configure: Regenerated.
9079 * c-common.h (c_build_bitfield_integer_type): Declare.
9080 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9081 * c-common.c (c_build_bitfield_integer_type): ... here.
9083 2006-04-23 Roger Sayle <roger@eyesopen.com>
9086 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9087 a SImode SUBREG of a floating point register after no_new_pseudos.
9089 2006-04-23 Roger Sayle <roger@eyesopen.com>
9091 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9092 identify potentially eliminable registers to additionally catch
9093 VIRTUAL_INCOMING_ARGS_REGNUM.
9094 (addsi3): Update the conditions on when to use addsi_small_int.
9096 2006-04-23 Roger Sayle <roger@eyesopen.com>
9099 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9100 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9101 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9103 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9105 * fold-const.c (range_predecessor): Use operand_equal_p
9106 as the predicate for equality.
9107 (range_successor): Likewise.
9109 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9112 * config/soft-fp/op-common.h: Fix a typo.
9114 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9117 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9118 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9120 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9122 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9124 * doc/tm.texi: Fix a typo.
9126 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9128 * dwarf2out.c (struct die_struct): Document that die_sib makes
9129 a circular linked list.
9130 (FOR_EACH_CHILD): New.
9131 (reverse_die_lists): Delete.
9132 (reverse_all_dies): Delete.
9133 (add_dwarf_attr): Correct documentation.
9134 (remove_child_with_prev): New.
9135 (remove_child_TAG): Update for change to die_struct, use
9136 remove_child_with_prev.
9137 (add_child_die): Update for change to die_struct.
9138 (splice_child_die): Use remove_child_with_prev and add_child_die.
9139 (print_die): Use FOR_EACH_CHILD.
9140 (die_checksum): Likewise.
9141 (assign_symbol_names): Likewise.
9142 (output_location_lists): Likewise.
9143 (build_abbrev_table): Likewise.
9144 (calc_die_sizes): Likewise.
9145 (mark_dies): Likewise.
9146 (unmark_dies): Likewise.
9147 (unmark_all_dies): Likewise.
9148 (output_die): Likewise.
9149 (prune_unused_types_mark): Likewise.
9150 (prune_unused_types_walk): Likewise.
9151 (same_die_p): Update for change to die_struct.
9152 (break_out_includes): Likewise.
9153 (prune_unused_types_prune): Likewise.
9154 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9155 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9157 (dwarf2out_finish): Don't call reverse_all_dies.
9159 2006-04-21 Eric Christopher <echristo@apple.com>
9161 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9162 in comments and function names.
9164 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9167 * c-typeck.c (digest_init): Robustify.
9169 * c-typeck.c (pop_init_level): Simplify.
9171 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9173 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9175 2006-04-21 Paul Brook <paul@codesourcery.com>
9177 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9178 hardware floating point.
9180 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9182 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9185 2006-04-21 Nick Clifton <nickc@redhat.com>
9187 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9190 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9193 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9194 C++ lang type in traceback table for Objective-C++.
9196 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9198 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9200 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9202 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9205 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9206 were errors. Remove check for erroneous objects.
9208 2006-04-20 Jeff Law <law@redhat.com>
9210 PR tree-optimization/26854
9211 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9212 checking for zero or one use.
9213 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9214 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9215 * tree-ssa-reassoc.c (negate_value): Similarly.
9216 (reassociate_bb): Similarly.
9218 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9220 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9221 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9222 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9224 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9226 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9227 fp regs if the last fp arg doesn't fit in regs.
9229 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9232 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9233 that the last insn has the REG_INC note.
9235 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9236 Nathan Sidwell <nathan@codesourcery.com>
9239 * stor-layout.c (update_alignment_for_field): Do not align
9241 (place_union_field): Place union field at the start of the union.
9242 (place_field): Move ERROR_MARK check later, and use the current
9243 allocation position to maintain monotonicity.
9245 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9247 * dominance.c: Include timevar.h.
9248 (calculate_dominance_info): Use TV_DOMINANCE.
9249 * timevar.def (TV_DOMINANCE): New timevar.
9250 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9252 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9254 PR rtl-optimization/14261
9255 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9256 move would be an INSV insn.
9257 (noce_process_if_block): Don't optimize if the destination is a
9258 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9260 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9262 * config/s390/s390.md: Add comments with the instructions emitted
9263 by an insn pattern if macros are used.
9265 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9267 PR rtl-optimization/26026
9268 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9269 is a known power of two shifted left a variable amount.
9271 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9273 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9274 to hash table twice when the debug_str section has SECTION_MERGE.
9276 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9278 * config/soft-fp: New directory. From glibc.
9279 * config/soft-fp/t-softfp: New.
9280 * config/soft-fp/README: New.
9281 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9282 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9283 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9284 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9285 * config.gcc: Use rs6000/t-fprules-fpbit or
9286 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9288 * config/rs6000/sfp-machine.h: New. Based on glibc.
9289 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9291 * config/rs6000/t-fprules: Remove fp-bit rules.
9292 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9293 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9294 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9295 (softfp_wrap_start, softfp_wrap_end): New.
9297 2006-04-18 DJ Delorie <dj@redhat.com>
9299 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9301 2006-04-18 Devang Patel <dpatel@apple.com>
9303 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9305 2006-04-18 Nick Clifton <nickc@redhat.com>
9307 * config/sh/t-symbian: Add rule to build sh-c.o
9308 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9309 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9310 (sh_symbian_encode_section_info): Likewise.
9312 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9314 * builtins.c (expand_builtin_strcmp): Cover label definition of
9315 do_libcall with HAVE_cmpstrnsi.
9317 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9319 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9321 * function.h (temp_slot_p): New.
9322 (function): Change the type of x_used_temp_slots to
9323 VEC(temp_slot_p,gc) *.
9325 2006-04-18 Nick Clifton <nickc@redhat.com>
9327 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9328 flag_strength_reduce.
9330 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9332 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9336 Partial revert of revision 112637
9337 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9338 Dale Johannesen <dalej@apple.com>
9341 * regclass.c (struct reg_pref): Update documentation.
9342 (regclass): Set prefclass to NO_REGS if memory is the best option.
9343 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9345 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9347 PR tree-optimization/26821
9348 * tree-ssa-math-opts.c (get_constant_one): New.
9349 (insert_reciprocals): Use it.
9351 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9353 * dwarf2out.c (free_AT): Delete.
9354 (remove_AT): Update string ref counts.
9355 (remove_child_TAG): Don't call free_die.
9357 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9358 or DW_TAG_GNU_EINCL.
9359 (prune_unused_types_walk_attribs): Reset string refcounts.
9360 (prune_unused_types_update_strings): New.
9361 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9362 call free_die. Do call prune_unused_types_update_strings.
9363 (prune_unused_types): Empty debug_str_hash.
9365 2006-04-17 Roger Sayle <roger@eyesopen.com>
9367 * expr.c (expand_assignment): Optimize away no-op moves where the
9368 source and destination are equal and have no side-effects.
9370 2006-04-17 Richard Guenther <rguenther@suse.de>
9373 * reload.c (push_reload): Guard calls to get_secondary_mem
9376 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9378 * alias.c (reg_base_value, old_reg_base_value): Change the
9379 type to VEC(rtx,gc) *.
9380 (REG_BASE_VALUE, find_base_value, record_set,
9381 init_alias_analysis): Use VEC instead of VARRAY.
9383 * alias.c (alias_sets): Change the type to
9384 VEC(alias_set_entry,gc) *.
9385 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9386 VEC instead of VARRAY.
9387 (last_alias_set): Remove.
9389 * cgraph.h (cgraph_edge_p): New.
9390 Update the prototype of cgraph_function_versioning.
9391 * cgraphunit.c (cgraph_copy_node_for_versioning,
9392 cgraph_function_versioning): Use VEC instead of VARRAY.
9393 * ipa-cp.c (ipcp_insert_stage): Likewise.
9395 2006-04-16 Roger Sayle <roger@eyesopen.com>
9398 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9399 "A op B" or "A op C", we may need to convert A to the type of B and C.
9401 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9403 * target.h (struct gcc_target): Add mode_rep_extended.
9404 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9405 (init_num_sign_bit_copies_in_rep): Initialize it using
9407 (truncate_to_mode): Use it.
9408 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9409 * targhooks.h (default_mode_rep_extended): Declare it.
9410 * targhooks.c (default_mode_rep_extended): Define it.
9411 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9412 default_mode_rep_extended.
9413 (TARGET_INITIALIZER): Include it.
9414 * doc/tm.texi (Misc): Document it.
9415 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9416 (mips_truncated_to_mode): New function.
9418 2006-04-16 Roger Sayle <roger@eyesopen.com>
9421 * expr.c (compress_float_constant): Copy the narrow constant into
9422 a new pseudo before extending it to its final width.
9424 2006-04-16 Roger Sayle <roger@eyesopen.com>
9425 Andrew Pinski <pinskia@gcc.gnu.org>
9426 Dale Johannesen <dalej@apple.com>
9429 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9430 special case code to implement V8HImode and V16QImode with SSE2.
9432 2006-04-15 Roger Sayle <roger@eyesopen.com>
9434 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9435 trees are constructed with a suitable tree type.
9437 2006-04-15 Roger Sayle <roger@eyesopen.com>
9439 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9440 (integer_onep): Likewise.
9441 (integer_all_onesp): Likewise.
9442 (integer_pow2p): Likewise.
9443 (integer_nonzerop): Likewise.
9444 (real_zerop): Likewise.
9445 (real_onep): Likewise.
9446 (real_twop): Likewise.
9447 (real_minus_onep): Likewise.
9448 (int_size_in_bytes): Likewise.
9449 (host_integerp): Likewise.
9451 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9453 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9454 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9455 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9457 * tree-ssa-structalias.h (alias_info): Remove num_references.
9459 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9461 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9462 (output_bvb patterns): Likewise.
9463 * pa.c (output_bb): Use 'bb' insn for long branch case.
9464 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9465 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9466 1. Correct length operand for alternatives 1 and 2.
9467 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9468 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9470 2006-04-14 Roger Sayle <roger@eyesopen.com>
9472 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9473 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9474 were accidentally reverted by r112959.
9476 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9479 * except.h (eh_region_outermost): New prototype.
9480 * except.c (eh_region_outermost): New function.
9481 * tree-cfg.c (find_outermost_region_in_block): Use it.
9483 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9485 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9487 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9488 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9489 (init_reload, reload): Use VEC instead of VARRAY.
9490 * reload.h: Update the prototype for
9491 reg_equiv_memory_loc_varray.
9493 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9494 Eric Botcazou <ebotcazou@libertysurf.fr>
9496 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9499 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9502 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9503 to expand fallback builtin function call.
9505 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9508 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9509 and emit libcall here in case the builtin fails.
9510 (expand_builtin_strcmp): Always emit the libcall here on failure.
9512 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9514 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9515 * flow.c (reg_n_info): Change the type to
9516 VEC(reg_info_p,heap) *.
9517 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9519 * regs.h (reg_info_p): New.
9520 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9521 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9522 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9525 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9527 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9529 * params.h (MAX_SCHED_READY_INSNS): New macro.
9530 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9531 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9532 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9533 the ready list for 1 cycle during the first scheduling pass.
9534 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9536 2006-04-13 Richard Henderson <rth@redhat.com>
9539 * gimple-low.c (lower_omp_directive): Remove dead code.
9540 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9541 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9542 * omp-low.c (struct omp_region): Move to tree-flow.h.
9543 (root_omp_region): Export.
9544 (omp_regions, lookup_omp_region): Remove.
9545 (determine_parallel_type): Update for struct omp_region changes.
9546 (dump_omp_region): Dump regions with block numbers.
9547 (new_omp_region): Take type and block instead of stmt; malloc
9549 (free_omp_region_1, free_omp_regions): New.
9550 (expand_parallel_call): Take entry_stmt as argument; update for
9551 changes to omp_region.
9552 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9553 (remove_exit_barriers): New.
9554 (expand_omp_parallel): Update for struct omp_region changes.
9555 (expand_omp_synch): Likewise.
9556 (expand_omp): Likewise.
9557 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9558 (expand_omp_for_static_chunk): Likewise.
9559 (expand_omp_for): Likewise.
9560 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9561 (expand_omp_sections): Similarly, with GOMP_sections_end.
9562 (expand_omp_single): New.
9563 (build_omp_regions_1): Update for OMP_CONTINUE.
9564 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9565 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9566 OMP_SECTIONS_SECTIONS.
9567 (lower_omp_single_simple): Don't emit barrier here.
9568 (lower_omp_single_copy): Likewise.
9569 (lower_omp_single): Fix bindings, and lower to straightline now.
9570 (lower_omp_master, lower_omp_ordered): Likewise.
9571 (lower_omp_critical): Likewise.
9572 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9573 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9574 omp edges, free it afterward.
9575 (make_omp_sections_edges): Remove.
9576 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9577 (move_stmt_r): Handle OMP_CONTINUE.
9578 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9579 statement pointers to basic blocks. Add type member.
9580 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9581 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9582 * tree-inline.c (estimate_num_insns_1): Likewise.
9583 * tree-pretty-print.c (dump_generic_node): Likewise.
9584 * tree-ssa-operands.c (get_expr_operands): Likewise.
9585 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9586 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9587 (OMP_CONTINUE): New.
9588 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9589 (OMP_SECTIONS_SECTIONS): Remove.
9590 (OMP_SECTION_LAST): New.
9591 (OMP_RETURN_NOWAIT): New.
9593 2006-04-13 Roger Sayle <roger@eyesopen.com>
9595 * fold-const.c (native_encode_vector, native_interpret_real):
9596 Correct obvious mistakes in the previous check-in.
9598 2006-04-13 Roger Sayle <roger@eyesopen.com>
9600 * fold-const.c (native_encode_expr): New function to encode
9601 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9602 or VECTOR_CST into a specified buffer.
9603 (native_encode_int): New function.
9604 (native_encode_real): New function.
9605 (native_encode_complex): New function.
9606 (native_encode_vector): New function.
9607 (native_interpret_expr): Inverse of native_encode_expr to convert
9608 a target representation into an INTEGER_CST, REAL_CST etc...
9609 (native_interpret_int): New function.
9610 (native_interpret_real): New function.
9611 (native_interpret_complex): New function.
9612 (native_interpret_vector): New function.
9613 (fold_view_convert_expr): New function to constant fold/evaluate
9614 a VIEW_CONVERT_EXPR of a suitable constant expression.
9615 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9616 Change call of build1 to fold_build1 when constructing a
9619 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9620 Ulrich Weigand <uweigand@de.ibm.com>
9623 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9626 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9629 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9630 optimize to lo_sum for DFmode if !TARGET_FPRS.
9632 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9634 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9635 delete_alias_info, compute_flow_sensitive_aliasing,
9636 group_aliases): Use VEC instead of VARRAY.
9637 * tree-ssa-structalias.c (update_alias_info): Likewise.
9638 * tree-ssa-structalias.h (alias_info): Change the type of
9639 processed_ptrs to VEC(tree,heap) *.
9641 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9644 * config/sh/lib1funcs.h: New file, broken out of:
9645 * config/sh/lib1funcs.asm.
9646 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9648 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9649 * config/sh/lib1funcs-Os-4-200.asm: New file.
9650 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9651 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9652 (EXTRA_MULTILIB_PARTS): Include it.
9653 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9654 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9655 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9656 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9659 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9661 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9662 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9663 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9665 * tree-ssa-live.h: Include vecprim.h.
9666 (tree_partition_associator_d): Change the type of
9667 first_partition to VEC(int,heap) *.
9668 (tpa_first_partition): Use VEC instead of VARRAY.
9670 * Makefile.in (GTFILES): Move functions.h after tree.h.
9671 * function.c (reset_block_changes, record_block_change,
9672 check_block_change, free_block_changes): Use VEC instead of
9674 * function.h (function): Change the type of
9675 ib_boundaries_block to VEC(tree,gc) *.
9676 * tree-inline.c (copy_cfg_body): Initialize
9677 ib_boundaries_block to NULL instead of (varray_type) 0.
9679 2006-04-12 Roger Sayle <roger@eyesopen.com>
9681 * expr.c (emit_group_store): Correct operand order in call to
9682 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9683 a SUBREG_BYTE of zero.
9685 2006-04-12 Richard Guenther <rguenther@suse.de>
9687 * profile.c (compute_branch_probabilities): Remove code
9688 encapsulated in !ir_type (), which are remanents of the
9689 removed RTL profiling code.
9690 * rtl-profile.c: Remove.
9692 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9694 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9695 magic NULL_RTX comment.
9696 (function_arg): Store entire fp arg to mem if any part should go
9698 (rs6000_arg_partial_bytes): Adjust for above change.
9700 2006-04-11 Roger Sayle <roger@eyesopen.com>
9702 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9703 if it hasn't been initialized by dwarf2out_init.
9705 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9707 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9708 symbolic constants in branch patterns.
9710 2006-04-11 Roger Sayle <roger@eyesopen.com>
9712 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9714 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9716 PR rtl-optimization/27073
9717 * gcse.c (try_replace_reg): Revert last change. Continue to search
9718 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9721 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9723 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9724 aggregate types other than record and union types.
9725 (function_arg): Likewise.
9726 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9728 (function_value): In 64-bit mode, return objects that require it
9731 2006-04-11 Roger Sayle <roger@eyesopen.com>
9733 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9735 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9737 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9739 2006-04-03 Jeff Law <law@redhat.com>
9742 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9743 alias information too.
9745 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9747 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9749 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9752 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9753 (premark_used_types_helper): New.
9754 (premark_used_types): New.
9755 (gen_subprogram_die): Call premark_used_types.
9756 (prune_unused_types_walk): Do not prune perennial dies.
9757 * function.c (used_types_insert): New.
9758 * function.h (struct function): Add used_types_hash field.
9759 (used_types_insert): Add prototype.
9760 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9761 * c-parser.c (c_parser_cast_expression): Save casted types in used
9764 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9767 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9768 rs6000_explicit_options.float_gprs.
9770 2006-04-10 Roger Sayle <roger@eyesopen.com>
9772 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9773 from ix86_expand_vector_init_low_nonzero. Take an additional
9774 one_var argument indicating which element is non-zero. Support
9775 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9776 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9777 with one_var instead of ix86_expand_vector_init_low_nonzero.
9779 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9781 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9782 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9783 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9784 build/genextract.o): Depend on vecprim.h.
9785 * cfglayout.c, df-problems.c, function.c, genextract.c,
9786 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9787 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9791 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9793 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9794 Declare VECs of this type.
9795 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9796 (remove_children): Delete.
9797 (add_dwarf_attr): Use VEC routines.
9798 (add_AT_flag): Update for changes to add_dwarf_attr.
9799 (add_AT_int): Likewise.
9800 (add_AT_unsigned): Likewise.
9801 (add_AT_long_long): Likewise.
9802 (add_AT_vec): Likewise.
9803 (add_AT_string): Likewise.
9804 (add_AT_die_ref): Likewise.
9805 (add_AT_fde_ref): Likewise.
9806 (add_AT_loc): Likewise.
9807 (add_AT_loc_list): Likewise.
9808 (add_AT_addr): Likewise.
9809 (add_AT_lbl_id): Likewise.
9810 (add_AT_lineptr): Likewise.
9811 (add_AT_macptr): Likewise.
9812 (add_AT_offset): Likewise.
9813 (add_AT_range_list): Likewise.
9814 (get_AT): Use VEC_iterate.
9815 (remove_AT): Use VEC_ordered_remove.
9816 (free_die): Fold remove_children into here; have it use VEC_iterate.
9817 (print_die): Use VEC_iterate on attrs.
9818 (reverse_die_lists): Don't reverse attr lists.
9819 (die_checksum): Use VEC_iterate on attrs.
9820 (same_die_p): Likewise.
9821 (output_location_lists): Likewise.
9822 (build_abbrev_table): Likewise.
9823 (size_of_die): Likewise.
9824 (unmark_all_dies): Likewise.
9825 (output_abbrev_section): Likewise.
9826 (output_die): Likewise.
9827 (prune_unused_types_walk_attribs): Likewise.
9829 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9831 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9833 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9836 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9838 2006-04-09 Roger Sayle <roger@eyesopen.com>
9840 * expr.c (store_constructor): Don't bother clearing target if
9841 we're about to assign a vector to it using vec_init_optab.
9843 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9845 * tree-ssa-alias.c (lhs_may_store_to): New function.
9846 (recalculate_used_alone): Handle LHS of calls.
9848 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9852 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9853 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9854 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9855 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9856 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9857 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9858 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9859 stubs. Add ".align 8" directives before all ".dword" directives.
9860 (GTHREAD_USE_WEAK): Revise comment.
9861 (TARGET_ATTRIBUTE_WEAK): Define.
9862 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9863 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9864 * stublib.c: New file.
9869 * pa.md (cbranch patterns): Revise arguments used in calls to
9870 output_cbranch, output_bb and output_bvd. Add long branch length
9872 (fbranch patterns): Handle long branches.
9873 (jump): Revise length check. Revise arguments for output_lbranch call.
9874 Add long branch length attributes.
9875 (decrement_and_branch_until_zero): Add long branch length attributes.
9876 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9877 Likewise. Revise arguments for output_parallel_addb and
9878 output_parallel_movb calls.
9879 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9880 output_parallel_movb and output_parallel_addb): Update prototypes.
9881 * pa.c (output_cbranch): Revise arguments. Correct handling of
9882 nullification in long branches.
9883 (output_lbranch): Add new argument to control extraction of delay
9885 (output_bb): Handle long branches.
9886 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9887 output_parallel_addb): Likewise.
9889 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9891 PR rtl-optimization/27073
9892 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9895 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9897 * tree.h (tree_memory_tag): Add old_used_alone.
9898 (SMT_OLD_USED_ALONE): New macro.
9899 * tree-ssa-alias.c (recalculate_used_alone): Stop
9900 marking things for renaming unnecessarily.
9902 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9904 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9905 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9906 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9907 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9908 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9909 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9910 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9911 spelling convensions.
9912 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9913 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9914 typos. Follow spelling conventions.
9916 2006-04-07 DJ Delorie <dj@redhat.com>
9918 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9919 passed on the stack.
9920 (m32c_init_cumulative_args): When a function returns a structure,
9921 always pass the pointer to that return area on the stack.
9922 (m32c_function_arg_advance): Don't increment the parameter number
9923 if we're processing the returned structure pointer.
9924 (pushm_info): Reverse order of registers.
9926 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9928 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9929 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9930 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9931 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9933 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9934 chrec_fold_multiply): Same.
9935 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9936 force_expr_to_var_cost): Same.
9937 * tree-mudflap.c (mf_xform_derefs_1): Same.
9938 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9940 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9942 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9943 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9946 2006-04-07 Jan Hubicka <jh@suse.cz>
9948 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9950 2006-04-07 Richard Guenther <rguenther@suse.de>
9952 PR tree-optimization/26135
9953 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9954 loads for store copy-prop.
9955 (copy_prop_visit_stmt): Likewise.
9957 2006-04-05 Robert Millan <robertmh@gnu.org>
9959 * config/i386/linux.h: Add a comment to mark macros that are
9960 being overriden in config/k*bsd-gnu.h.
9961 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9963 * config/knetbsd-gnu.h: Ditto.
9965 2006-04-06 Jan Hubicka <jh@suse.cz>
9969 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9972 2006-04-06 Mike Stump <mrs@apple.com>
9974 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9975 for HAVE_nonlocal_goto to be consistent.
9976 (expand_builtin_nonlocal_goto): Likewise.
9977 (expand_builtin_strcmp): Use #ifdef instead of #if
9978 for HAVE_cmpstrnsi to be consistent.
9980 2006-04-05 DJ Delorie <dj@redhat.com>
9982 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9985 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9987 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9988 got-relative addressing for anything but SImode.
9990 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9991 even if the calling function doesn't modify them.
9993 2006-04-05 Richard Guenther <rguenther@suse.de>
9995 PR tree-optimization/26919
9996 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9997 to cgraph_estimate_size_after_inlining.
9999 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10001 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10003 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10005 PR tree-optimization/26996
10006 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10007 VECTOR_TYPE variables.
10009 2006-04-05 Richard Guenther <rguenther@suse.de>
10011 PR tree-optimization/26763
10012 * fold-const.c (fold_comparison): Move folding of
10013 PTR + CST CMP PTR + CST ...
10014 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10016 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10018 * doc/install.texi (Prerequisites): Refine some wording on
10019 bootstrapping and ksh.
10020 Move the version numbers of DejaGnu here from the testing section
10021 and fix casing of names.
10022 Fix markup and clarify wording for autogen requirements.
10023 Refer to GCJ instead of just java.
10024 Refer to SVN instead of CVS.
10025 Describe diffutils as useful instead of necessary.
10026 (Downloading the source): Refer to SVN instead of CVS.
10027 Adjust a link to our web site accordingly.
10028 (Configuration): Fix casing of Bison.
10029 (Building): Refer to SVN instead of CVS.
10030 Fix a sentence on the use of Bison and remove duplicate (and
10031 incorrect) version number of Bison requirement.
10032 Remove one redundant list of packages needed for building.
10033 (Specific): Avoid reference to CVS.
10035 2006-04-04 Eric Christopher <echristo@apple.com>
10037 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10038 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10039 (rs6000_handle_struct_attribute): New.
10040 (rs6000_ms_bitfield_layout_p): Ditto.
10042 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10044 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10045 NULL for dso parameter to atexit_common.
10047 2006-04-04 Eric Christopher <echristo@apple.com>
10049 * config/i386/i386.c (machopic_output_stub): Output \t
10050 between instructions and operands.
10052 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10054 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10055 satisfies_constraint_[IL] to explicit tests on value.
10057 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10059 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10060 set_nb_iterations_in_loop): Use build_int_cst instead of
10061 build_int_cst_type.
10062 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10063 build_int_cst instead of convert.
10065 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10067 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10068 new value 2 for incoming.
10069 * function.c (expand_function_start): Call struct_value_rtx
10070 with incoming as 2.
10071 * config/sparc/sparc.md: Comment updated_return.
10072 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10073 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10074 struct return if sparc_std_struct_return and incoming is 2.
10075 (print_operand): Do not adjust return if
10076 sparc_std_struct_return.
10078 2006-04-04 Roger Sayle <roger@eyesopen.com>
10080 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10081 convert in the middle-end.
10082 * expr.c (store_expr, store_constructor, get_inner_reference,
10083 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10085 * tree.c (build_range_type): Likewise.
10087 2006-04-04 Tom Tromey <tromey@redhat.com>
10089 * doc/install.texi (Prerequisites): Mention jar.
10091 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10093 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10096 2006-04-04 Matthias Klose <doko@debian.org>
10098 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10102 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10105 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10107 * doc/extend.texi (Function Attributes): Rewrite visibility
10108 attribute documentation.
10109 * doc/invoke.texi (C++ Dialect Options): Rewrite
10110 -fvisibility-inlines-hidden documentation to describe something
10111 entirely different, although in practise compatible.
10112 (Code Gen Options): Warn about system headers in -fvisibility=
10115 * doc/extend.texi (Other Builtins): Document that
10116 __builtin_nan is a compile-time constant only when its argument
10119 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10121 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10122 trying to remove TRUNCATE check if all bits outside the new mode
10123 are identical to the sign bit.
10125 2006-04-03 Jeff Law <law@redhat.com>
10127 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10128 and operand scanning in some common cases.
10130 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10131 Dale Johannesen <dalej@apple.com>
10134 * regclass.c (struct reg_pref): Update documentation.
10135 (regclass): Set prefclass to NO_REGS if memory is the best option.
10136 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10137 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10138 into account. For non-registers, equate an empty preferred
10139 reload class to a `!' in the constraint; move the if clause to
10140 do so after those that reject the insn.
10141 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10143 (find_dummy_reload): Likewise.
10144 * doc/tm.texi (Register Classes): Document what it means
10145 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10146 * config/i386/i386.c (ix86_preferred_reload_class): Force
10147 using SSE registers (and return NO_REGS for floating-point
10148 constants) if math is done with SSE.
10149 (ix86_preferred_output_reload_class): New.
10150 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10151 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10152 * config/i386/i386.md: Remove # register preferences.
10154 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10157 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10158 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10159 the type of nb_iter.
10160 (instantiate_parameters_1): Convert the operands before calling
10161 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10162 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10164 2006-04-02 Roger Sayle <roger@eyesopen.com>
10166 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10167 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10168 instead of convert.
10169 * dojump.c (do_jump): Likewise.
10170 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10171 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10172 gimplify_boolean_expr): Likewise.
10173 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10174 * varasm.c (array_size_for_constructor): Likewise.
10175 * tree-object-size.c (compute_object_offset): Likewise.
10177 2006-04-02 Roger Sayle <roger@eyesopen.com>
10179 PR middle-end/26977
10180 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10181 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10183 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10185 PR tree-optimization/26939
10186 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10188 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10190 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10191 at_stmt. Convert the type of operands before calling
10192 build_polynomial_chrec.
10193 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10194 add_to_evolution_1.
10195 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10196 (instantiate_parameters_1): Convert the type of operands before calling
10197 build_polynomial_chrec.
10198 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10199 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10200 reset_evolution_in_loop): Insert asserts to check the types of the
10202 (chrec_type): Moved...
10203 (eq_evolutions_p): Use operand_equal_p.
10204 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10205 the types of the operands.
10206 (chrec_type): ...here.
10207 * tree-data-ref.c (create_data_ref): Convert the operands before
10208 calling chrec_replace_initial_condition.
10209 (same_access_functions, analyze_subscript_affine_affine,
10210 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10211 (compute_subscript_distance, analyze_ziv_subscript,
10212 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10213 analyze_miv_subscript): Convert the operands before calling
10214 chrec_fold_minus or chrec_fold_plus.
10216 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10218 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10219 the dependence_relations vector.
10220 (compute_data_dependences_for_loop): Adjust call to
10221 compute_all_dependences.
10223 2006-04-01 Roger Sayle <roger@eyesopen.com>
10224 Richard Henderson <rth@redhat.com>
10226 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10227 gimple_boolify on the condition before calling gimplify_expr.
10229 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10231 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10232 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10233 the frame size. Update to use the new macros.
10234 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10235 * config/xtensa/ieee754-df.S: Likewise.
10237 2006-03-31 Richard Henderson <rth@redhat.com>
10239 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10240 (make_edges): ... here. Control fallthru creation with a local
10241 variable. Do not play with fake edges.
10242 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10243 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10246 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10248 * dwarf2.h (DW64_CIE_ID): Define.
10249 * dwarf2out.c (DWARF_CIE_ID): Define.
10250 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10251 length header. Use DWARF_CIE_ID.
10252 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10253 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10255 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10257 * config/sh/linux-atomic.asm: New file.
10258 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10260 2006-03-31 DJ Delorie <dj@redhat.com>
10262 * config/m32c/cond.md: Set condition flags properly throughout.
10263 * config/m32c/minmax.md: Likewise.
10264 * config/m32c/prologue.md: Likewise.
10265 * config/m32c/bitops.md: Likewise.
10266 * config/m32c/muldiv.md: Likewise.
10267 * config/m32c/mov.md: Likewise.
10268 * config/m32c/addsub.md: Likewise.
10269 * config/m32c/m32c.md: Likewise.
10270 * config/m32c/jump.md: Likewise.
10271 * config/m32c/shift.md: Likewise.
10273 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10274 conditionally output the pattern for this.
10275 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10276 (m32c_compare_redundant): New.
10277 (m32c_output_compare): New.
10278 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10280 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10281 dest, not src. Allow other 4-byte modes.
10283 2006-03-30 Denis Chertykov <denisc@overta.ru>
10285 * doc/md.texi: Refer to avr/constraints.md instead of
10288 2006-03-30 Roger Sayle <roger@eyesopen.com>
10290 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10291 signed vs. unsigned comparison failures on some hosts.
10293 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10296 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10297 change to FLOAT_REGS.
10299 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10300 (rs6000_override_options): Use it.
10301 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10302 only for -mabi=spe/no-spe and -mabi=altivec.
10304 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10306 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10309 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10311 * Makefile.in: Rename docdir to gcc_docdir.
10313 2006-03-30 Roger Sayle <roger@eyesopen.com>
10316 * expr.c (emit_group_store): Optimize group stores into a pseudo
10317 register by using a paradoxical subreg to initialize the destination
10318 if the first or last member of the group specifies a "low part".
10320 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10323 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10324 * target.h (struct gcc_target.speculate_insn): Change type of the
10325 second parameter to 'int'.
10326 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10327 the second operand of the DEPS_LIST.
10328 (copy_DEPS_LIST_list): Update reference to the second operand of the
10330 * rtl.h (alloc_DEPS_LIST): Update signature.
10331 * sched-int.h (ds_t): Change typedef to 'int'.
10332 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10334 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10336 * haifa-sched.c (try_ready): Change condition to restore
10337 non-speculative pattern of the instruction.
10338 (process_insn_depend_be_in_spec): Code to keep probability of the
10339 speculative dependence non-decreasing.
10341 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10343 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10344 (single_move_for_movmem): ... this. Also change all uses.
10345 (bfin_expand_strmov): Renamed to...
10346 (bfin_expand_movmem): ... this. Also change all uses.
10347 * config/bfin/bfin.md (movstrsi): Renamed to...
10348 (movstrsi): ...this.
10350 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10352 PR tree-optimization/26830
10354 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10355 (copy_prop_visit_stmt): Remove write-only variable ann.
10356 (init_copy_prop): Check variable loop depth here. Do not simulate
10357 memory-tag and virtual operand PHIs except for store copy prop.
10359 2006-03-30 Richard Guenther <rguenther@suse.de>
10361 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10362 variants with double arguments.
10364 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10366 * genpreds.c (write_tm_constrs_h): Delete variable p.
10367 * genconditions.c (write_header): Add tm-constrs.h to included
10369 * genpeep.c (main): Add toplev.h to included headers.
10370 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10371 (build/genpeep.o): Add toplev.h dependency.
10372 * config/rs6000/constraints.md: Add "W" constraint.
10374 2006-03-29 Roger Sayle <roger@eyesopen.com>
10376 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10377 sizes by correctly testing whether the size fits a host integer.
10378 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10379 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10380 SImode range for the default sizetype and bitsizetype.
10382 2006-03-29 Roger Sayle <roger@eyesopen.com>
10384 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10385 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10386 quickly if the argument is already of the correct type.
10387 Call fold_build1 instead of build1. Tidy up blank lines.
10389 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10391 * genemit.c (main): Add tm-constrs.h to included headers.
10392 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10393 * genpeep.c (main): Add tm-constrs.h to included headers.
10394 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10395 (write_tm_constrs_h): this and write complete file.
10396 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10397 (write_insn_preds_c): Add tm-constrs.h to included headers.
10398 (gen_constrs): New variable.
10399 (parse_option): Parse "-c".
10400 (main): Invoke write_tm_constrs_h.
10401 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10402 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10403 (object_out_file): Add tm-constrs.h dependency.
10404 (insn-emit.o): Same.
10405 (insn-output.o): Same.
10406 (insn-peep.o): Same.
10407 (insn-preds.o): Same.
10408 (insn-recog.o): Same.
10409 (tm-constsr.h): New target.
10410 (s-constrs-h): New target.
10412 * config/rs6000/constraints.md: New file.
10413 * config/rs6000/rs6000.c: Include tm-constrs.h.
10414 (num_insn_constant_wide): Convert to satisfies_constraint.
10415 (rs6000_rtx_costs): Convert to satisfies_constraint.
10416 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10417 (CONST_OK_FOR_LETTER_P): Delete.
10418 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10419 (EXTRA_CONSTRAINT): Delete.
10420 (EXTRA_MEMORY_CONSTRAINT): Delete.
10421 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10422 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10423 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10424 satisfies_constraint.
10426 * config/i386/i386.c: Include tm-constrs.h.
10428 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10430 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10431 * tree-data-ref.c (find_data_references_in_loop,
10432 compute_data_dependences_for_loop): Use pointers to VEC.
10433 (analyze_all_data_dependences): Adjust calls.
10434 * tree-data-ref.h (find_data_references_in_loop,
10435 compute_data_dependences_for_loop): Adjust declarations.
10436 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10437 compute_data_dependences_for_loop.
10439 2006-03-29 Paul Brook <paul@codesourcery.com>
10441 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10442 (movdf_vfp): Ditto.
10444 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10446 PR tree-optimization/26859
10447 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10449 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10450 for the step after fold_convert.
10452 2006-03-29 Paul Brook <paul@codesourcery.com>
10454 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10455 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10457 2006-03-29 Paul Brook <paul@codesourcery.com>
10459 PR middle-end/23623
10460 * targhooks.c (default_narrow_bitfield): New fuction.
10461 * targhooks.h (default_narrow_bitfield): add prototype.
10462 * target.h (gcc_target): Add narrow_volatile_bitfield.
10463 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10464 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10465 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10466 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10468 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10470 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10472 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10473 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10474 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10475 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10476 (s390_function_arg_float): Allow SDmode and DDmode values to be
10477 passed in floating point registers.
10478 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10479 check with SCALAR_FLOAT_MODE_P.
10480 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10482 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10484 PR tree-optimization/25985
10485 * tree-ssa-loop-niter.c (number_of_iterations_le,
10486 number_of_iterations_ne): Make comments more precise.
10487 (number_of_iterations_cond): Add only_exit argument. Use the
10488 fact that signed variables do not overflow only when only_exit
10490 (loop_only_exit_p): New.
10491 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10492 number_of_iterations_cond.
10494 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10496 PR tree-optimization/26643
10497 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10500 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10502 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10503 (divsi3_i4_int): Likewise.
10505 2006-03-28 Roger Sayle <roger@eyesopen.com>
10507 * expr.c (emit_group_store): Only create a new pseudo reg if the
10508 quantity it needs to hold isn't already a suitable pseudo.
10510 2006-03-28 Jeff Law <law@redhat.com>
10512 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10513 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10515 2006-03-28 Roger Sayle <roger@eyesopen.com>
10517 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10518 the equivalent ~X & Y, and the symmetry related transformations.
10519 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10520 ~X & Y, and symmetry related transforms.
10522 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10524 Revert my 2006-03-27 patches.
10526 2006-03-28 Roger Sayle <roger@eyesopen.com>
10528 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10529 ~(T1)X, when T1 and T2 are integer types of the same precision
10530 and (T2)X isn't an extension.
10532 2006-03-28 Jeff Law <law@redhat.com>
10534 PR tree-optimization/26796
10535 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10536 need EH edge cleanups rather than purging them immediately.
10537 (eliminate_degenerate_phis): Handle queued EH cleanups.
10539 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10541 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10544 2006-03-27 Roger Sayle <roger@eyesopen.com>
10546 PR middle-end/22524
10547 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10548 cast BIT_NOT_EXPR operand to the correct type.
10550 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10552 * tree-loop-linear.c: Don't include varray.h.
10553 (gather_interchange_stats, try_interchange_loops,
10554 linear_transform_loops): Use VEC instead of VARRAY.
10555 * lambda-mat.c: Don't include varray.h.
10556 * tree-chrec.c: Same.
10557 * lambda-trans.c: Same.
10558 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10559 VEC instead of VARRAY.
10560 * tree-vectorizer.h: Idem.
10561 * tree-data-ref.c (dump_data_references,
10562 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10563 initialize_data_dependence_relation, finalize_ddr_dependent,
10564 compute_all_dependences, find_data_references_in_loop,
10565 compute_data_dependences_for_loop, analyze_all_data_dependences,
10566 free_dependence_relation, free_dependence_relations,
10567 free_data_refs): Idem.
10568 * tree-data-ref.h (data_reference_p, subscript_p): New.
10569 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10570 VEC instead of VARRAY.
10571 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10572 (find_data_references_in_loop, compute_data_dependences_for_loop,
10573 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10574 dump_data_dependence_relations, free_dependence_relations,
10575 free_data_refs): Adjust declaration.
10576 (lambda_transform_legal_p): Move declaration here...
10577 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10578 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10579 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10580 vect_analyze_data_refs): Use VEC instead of VARRAY.
10581 * lambda.h (lambda_transform_legal_p): ...from here.
10582 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10583 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10584 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10585 tree-chrec.o): Don't depend on VARRAY_H.
10587 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10589 * rtl.def (Copyright): Update date.
10590 (DEPS_LIST): Change type of the second operand to 'int'.
10591 * target.h (Copyright): Update date.
10592 (struct gcc_target.speculate_insn): Change type of the second parameter
10594 * lists.c (Copyright): Update date.
10595 (alloc_DEPS_LIST): Change signature. Update reference to the second
10596 operand of the DEPS_LIST.
10597 (copy_DEPS_LIST_list): Update reference to the second operand of the
10599 * rtl.h (Copyright): Update date.
10600 (alloc_DEPS_LIST): Update signature.
10601 * sched-int.h (Copyright): Update date.
10602 (ds_t): Change typedef to 'int'.
10603 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10605 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10607 * haifa-sched.c (Copyright): Update date.
10608 (try_ready): Change condition to restore non-speculative pattern
10609 of the instruction.
10610 (process_insn_depend_be_in_spec): Code to keep probability of the
10611 speculative dependence non-decreasing.
10613 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10615 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10616 shut up the compiler.
10618 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10620 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10621 to use lib prefix for target.
10622 ($(T)libic_invalidate_array_4-200.a): Likewise.
10623 ($(T)libic_invalidate_array_4a.a): Likewise.
10625 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10626 J"orn Rennecke <joern.rennecke@st.com>
10628 * superh.opt: New file.
10629 * sh.c (boardtype, osruntime): Remove.
10630 * superh.h (SUBTARGET_OPTIONS): Remove.
10631 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10633 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10634 arguments with ^ and/or [].
10636 * config.gcc (sh-*-*): Add quoting to account for quirk of
10638 Replace == with = in enable_incomplete_targets test.
10640 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10641 with MASK_LITTLE_ENDIAN.
10643 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10644 * config/sh/sh.opt: Added to some comments.
10645 * config/sh/superh.h: Removed some chaff.
10647 * config/sh/sh.opt: Add m4-[1234]00* options.
10648 * config/sh/sh.c (sh_handle_option): Likewise.
10649 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10650 (ic_invalidate_array_4-100.o): New rule.
10651 ($(T)libic_invalidate_array_4-100.a): Likewise.
10652 (ic_invalidate_array_4-200.o): Likewise.
10653 ($(T)libic_invalidate_array_4-200.a): Likewise.
10654 (ic_invalidate_array_4a.o): Likewise.
10655 ($(T)libic_invalidate_array_4a.a): Likewise.
10656 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10657 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10659 * config/sh/crt1.asm: Merged in profiling code.
10660 * config/sh/superh.h (STARTFILE_SPEC): Override.
10661 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10662 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10663 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10665 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10666 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10667 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10669 * sh.opt (mpretend-cmove): New option.
10670 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10671 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10672 (movsicc): Add TARGET_PRETEND_CMOVE code.
10674 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10676 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10677 s390_class_max_nregs): New function prototypes.
10678 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10679 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10680 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10681 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10683 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10685 * dwarf2out.c (add_location_or_const_value_attribute): Call
10686 tree_add_const_value_attribute if nothing else works.
10687 (reference_to_unused): New.
10688 (rtl_for_decl_init): Use reference_to_unused to decide whether
10689 to output an initializer.
10691 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10694 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10695 peephole removing spe frob_di_df_2.
10697 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10699 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10700 (subscript_dependence_tester_1): Declared.
10701 (print_dir_vectors, print_dist_vectors): New.
10702 (debug_data_dependence_relation): New.
10703 (dump_data_dependence_relation): Print more details.
10704 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10705 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10706 (save_dist_v, save_dir_v, add_outer_distances,
10707 build_classic_dist_vector_1): New.
10708 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10709 Don't test for lambda_vector_lexico_pos.
10710 (same_access_functions, add_multivariate_self_dist,
10711 add_other_self_distances, dir_from_dist): New.
10712 (build_classic_dir_vector): Replace implementation almost identical to
10713 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10715 (subscript_dependence_tester_1): New.
10716 (subscript_dependence_tester): Handle the lexicographically negative
10717 distance vectors by recomputing the dependence relation.
10718 (compute_affine_dependence): Remove parameter loop_nest_depth.
10719 (compute_self_dependence): Don't call compute_subscript_distance.
10720 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10721 Add a parameter for the loop_nest.
10722 (find_loop_nest_1, find_loop_nest): New.
10723 (compute_data_dependences_for_loop): Compute the loop nest, and give
10724 up if the nest is not well formed.
10725 * tree-data-ref.h (loop_p): New.
10726 (struct data_dependence_relation): Replace size_vect field with
10727 loop_nest, a vec of loops.
10728 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10729 (DDR_LOOP_NEST): New.
10730 (print_dir_vectors, print_dist_vectors,
10731 debug_data_dependence_relation): Declared.
10732 (index_in_loop_nest): New.
10733 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10734 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10737 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10739 * simplify-rtx.c (simplify_relational_operation): Call
10740 simplify_relational_operation_1 even if mode is VOIDmode.
10742 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10744 PR tree-optimization/26804
10745 * tree.h (DECL_CALL_CLOBBERED): New macro.
10746 (tree_decl_common): Add call_clobbered_flag.
10747 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10748 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10749 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10750 (mark_non_addressable): Ditto.
10751 * tree-ssa.c (verify_call_clobbered): New function.
10752 (verify_alias_info): Use it.
10753 * tree-pass.h (pass_reset_cc_flags): New prototype.
10754 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10755 (reset_cc_flags): New function.
10756 * passes.c (init_optimization_passes): Call reset_cc_flags after
10757 initializing referenced_vars.
10759 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10760 Roger Sayle <roger@eyesopen.com>
10762 PR middle-end/26717
10763 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10764 to 1.0 for non-real operands. Implement A / A optimization for
10767 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10769 * config/i386/i386.c (size_cost): Correct the comment for
10770 cost of storing fp registers.
10771 (i386_cost): Likewise.
10772 (i486_cost): Likewise.
10773 (pentium_cost): Likewise.
10774 (pentiumpro_cost): Likewise.
10775 (k6_cost): Likewise.
10776 (athlon_cost): Likewise.
10777 (k8_cost): Likewise.
10778 (pentium4_cost): Likewise.
10779 (nocona_cost): Likewise.
10780 (generic64_cost): Likewise.
10781 (generic32_cost): Likewise.
10783 2006-03-24 Denis Chertykov <denisc@overta.ru>
10785 * config/avr/avr-protos.h (extra_constraint): Delete.
10786 (extra_constraint_Q): New declaration.
10787 * config/avr/constraints.md: New file.
10788 * config/avr/avr.md: Include it.
10789 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10790 (TMP_REGNO, ZERO_REGNO): Likewise.
10791 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10792 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10793 (extra_constraint): Delete.
10794 (extra_constraint_Q): Test for memory constraint 'Q'.
10795 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10796 (REG_CLASS_FROM_LETTER): Delete.
10797 (CONST_OK_FOR_LETTER_P): Delete.
10798 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10799 (EXTRA_CONSTRAINT): Delete.
10800 (TMP_REGNO): Delete.
10801 (ZERO_REGNO): Delete.
10803 2006-03-24 Jeff Law <law@redhat.com>
10805 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10806 directly. Call mark_new_vars_to_rename slightly earlier.
10808 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10810 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10811 (is_cxx): Likewise.
10812 (gen_compile_unit_die): Use new language types for Objective-C and
10814 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10815 DW_LANG_C_plus_plus.
10818 * config/t-darwin (crt3.o): Work around bug 26840.
10819 * config/darwin-crt3.c: Rewrite.
10820 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10822 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10824 * doc/invoke.texi: Document -femit-class-debug-always
10825 * common.opt: Add -femit-class-debug-always.
10827 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10829 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10830 index and base register.
10831 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10832 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10833 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10834 REGNO_OK_FOR_INDEX_P.
10835 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10837 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10838 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10839 REG_OK_FOR_BASE_P): Definitions removed.
10841 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10843 PR middle-end/26611
10844 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10845 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10846 set yet or weren't marked as local yet.
10848 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10850 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10853 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10855 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10856 (rs6000_legitimate_small_data_p): Delete.
10857 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10858 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10859 and make static. Add forward declaration. Update uses.
10860 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10861 of offsettable_memref_p.
10862 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10863 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10865 2006-03-24 Jeff Law <law@redhat.com>
10867 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10868 around bug in immediate-use iterator.
10870 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10873 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10874 or __LITTLE_ENDIAN__.
10876 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10878 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10879 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10880 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10881 * config/sh/sh.opt (mdiv=): Amend description.
10882 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10883 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10884 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10885 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10886 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10887 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10888 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10889 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10890 TARGET_DIVIDE_CALL_FP.
10892 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10894 * haifa-sched.c (choose_ready): Fix type of the local variable.
10895 Move local variables. Add comment.
10896 (check_reg_live): Change signature. Make callable from debugger.
10897 * sched-int.h (check_reg_live): Update signature.
10898 * sched-ebb.c (check_reg_live): Update parameters.
10899 * sched-rgn.c (check_reg_live): Ditto.
10900 (region_head_or_leaf_p): Check pointer before dereferencing.
10901 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10902 before reload on optimization levels below 1.
10904 2006-03-23 Richard Henderson <rth@redhat.com>
10906 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10910 * config/alpha/predicates.md (local_symbolic_operand): Reject
10913 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10916 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10917 expressions which have overflowed constants.
10919 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10921 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10923 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10925 * cfgloopmanip.c (create_loop_notes): Removed.
10926 * final.c (final_scan_insn): Do not handle loop notes.
10927 * jump.c (squeeze_notes): Ditto.
10928 * cfglayout.c (skip_insns_after_block,
10929 duplicate_insn_chain): Ditto.
10930 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10932 * cfgloop.h (create_loop_notes): Declaration removed.
10934 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10936 * varasm.c (output_constant_pool): Restore fnname and fndecl
10938 (assemble_start_function): Adjust call accordingly.
10939 (assemble_end_function): Likewise.
10941 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10944 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10947 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10949 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10952 * system.h (ICE_EXIT_CODE): New macro.
10953 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10954 (diagnostic_action_after_output): Likewise.
10955 * gcc.c (fatal_ice): New function.
10956 (execute): Use it instead of fatal.
10957 (fancy_abort): Likewise.
10958 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10960 2006-03-22 Jeff Law <law@redhat.com>
10962 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10963 iv_analyze_result returning false.
10965 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10967 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10969 2006-03-22 Richard Henderson <rth@redhat.com>
10971 PR middle-end/26084
10972 * except.c (duplicate_eh_regions_0): New.
10973 (duplicate_eh_region_1): Duplicate the children of the node as
10974 well as the node itself. Link them up properly.
10975 (duplicate_eh_region_2): Merge into ...
10976 (duplicate_eh_regions): ... here. Take copy_region argument, and
10977 copy only a sub-tree if asked. Simplify copying and fixup.
10978 (eh_region_outer_p): New.
10979 * except.h (duplicate_eh_regions): Update decl.
10980 (eh_region_outer_p): Declare.
10981 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10982 (lower_omp_master): Likewise.
10983 (lower_omp_ordered): Likewise.
10984 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10985 (move_stmt_r): Use it to remap labels. Handle recursion vs
10986 remap_decls_p properly.
10987 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10988 (find_outermost_region_in_block): New.
10989 (new_label_mapper): New.
10990 (move_sese_region_to_fn): Copy eh information to the new function
10992 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10994 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10997 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10999 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11000 into shared libraries.
11002 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11004 * doc/md.texi: Refer to i386/constraints.md instead of
11005 i386/predicates.md.
11006 * config/i386/constraints.md: New file, extracted from...
11007 * config/i386/predicates.md: ...here.
11008 * config/i386/i386.md: Include constraints.md.
11010 2006-03-21 Jason Merrill <jason@redhat.com>
11012 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11014 PR middle-end/20297
11015 * expr.c (init_block_move_fn): Force default visibility.
11016 (init_block_clear_fn): Likewise.
11017 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11018 * targhooks.c (default_external_stack_protect_fail): Likewise.
11020 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11022 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11023 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11024 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11025 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11026 (loadgp): Use mips_current_loadgp_style.
11027 (loadgp_noshared): New pattern.
11028 (sibcall_internal): Use MIPS_CALL.
11029 (sibcall_value_internal): Likewise.
11030 (sibcall_value_multiple_internal): Likewise.
11031 (call_internal): Likewise.
11032 (call_value_internal): Likewise.
11033 (call_value_multiple_internal): Likewise.
11034 (call_split): Use MIPS_CALL and add an 'S' constraint.
11035 (call_value_split): Likewise.
11036 (call_value_multiple_split): Likewise.
11037 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11038 (-mshared): New option.
11039 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11040 (mips_current_loadgp_style): Declare.
11041 * config/mips/mips.c (mips_classify_symbol): Avoid using
11042 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11043 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11044 TARGET_ABSOLUTE_ABICALLS.
11045 (override_options): Adjust comments. Improve the warning that is
11046 issued when -mabicalls and -G are used together.
11047 (mips_file_start): Remove comment.
11048 (mips_current_loadgp_style): New function.
11049 (mips_gnu_local_gp): New variable.
11050 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11052 (mips_output_function_prologue): Use mips_current_laodgp_style.
11053 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11054 the cprestore instruction.
11055 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11056 live for TARGET_ABSOLUTE_ABICALLS.
11057 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11058 (ASM_SPEC): Pass down -mshared and -mno-shared.
11059 (MIPS_CALL): New macro.
11060 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11062 * doc/invoke.texi (-mabicalls): Update documentation.
11063 (-mshared): Document.
11065 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11067 * config/ia64/unwind-hpux.c: New file.
11068 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11070 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11073 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11075 2006-03-21 Jeff Law <law@redhat.com>
11077 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11078 type conversions of a VR_VARYING source to a wider type.
11080 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11082 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11083 tm_file on Solaris 10 and later.
11084 (sparc64-*-solaris2*): Likewise.
11085 (sparc-*-solaris2*): Likewise.
11086 * config/sol26.h: Rename to config/sol2-6.h.
11087 * config/sol2-10.h: New file.
11089 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11092 * tree-ssa-pre.c (create_component_ref_by_pieces):
11095 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11098 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11099 return it immediately.
11101 2006-03-21 Michael Matz <matz@suse.de>
11103 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11105 (remove_arc, add_arc): Update num_out_arcs member.
11106 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11108 (cache_presence): New function.
11109 (compare_states_for_equiv): New function.
11110 (state_is_differed): Don't take number of outargs, adjust callers.
11111 Use new invariant for speeding up.
11112 (init_equiv_class): Create initial classes based on sorted
11114 (partition_equiv_class): Don't track out_arcs_num.
11115 (evaluate_equiv_classes): Call cache_presence on all states and
11118 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11120 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11121 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11122 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11123 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11125 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11126 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11127 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11128 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11129 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11131 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11132 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11133 (REGNO_REG_CLASS): ARGP is in PREGS.
11134 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11136 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11137 to deal with those addresses.
11138 * addresses.h: New file.
11139 * caller-save.c: Include "addresses.h".
11140 (init_caller_save): Use new base_reg_class function.
11141 * rtl-factoring.c: Include "addresses.h".
11142 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11143 * recog.c: Include "addresses.h".
11144 (preprocess_constraints): Use new base_reg_class function.
11145 * regrename.c: Include "addresses.h".
11146 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11147 functions. Keep track of a new var INDEX_CODE to compute valid
11149 (replace_oldest_value_addr): Likewise.
11150 (replace_oldest_value_mem): Use base_reg_class.
11151 * reload.c: Include "addresses.h".
11152 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11153 (find_reloads): Use new base_reg_class function.
11154 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11155 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11156 all callers and prototype changed.
11157 * reload1.c: Include "addresses.h".
11158 (maybe_fix_stack_asms): Use base_reg_class.
11159 * regclass.c: Include "addresses.h".
11160 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11161 (init_reg_autoinc): Use new base_reg_class function.
11162 (record_reg_classes): Likewise.
11163 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11164 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11165 Use new args to compute necessary class.
11167 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11168 regrename.o, rtl-factoring.o): Update dependencies.
11169 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11170 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11171 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11172 REG_OK_FOR_INDEX_P): Delete documentation.
11174 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11176 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11177 from V7 to V9 for Solaris 7 and above.
11179 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11181 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11182 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11183 argument pointers may not alias any other storage.
11184 * common.opt: Define option -fargument-noalias-anything.
11185 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11186 alias semantics is specified by flag_argument_noalias > 2.
11188 2006-03-20 Jeff Law <law@redhat.com>
11190 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11191 (pass_phi_only_cprop): Declare.
11192 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11193 with phi_only_cprop
11194 * tree-ssa-dom.c (degenerate_phi_result): New function.
11195 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11196 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11197 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11198 (eliminate_degenerate_phis): Likewise.
11199 (pass_phi_only_cprop): New pass descriptor.
11200 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11201 support code. Callers updated.
11202 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11203 (store_copy_prop): Likewise.
11204 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11206 2006-03-20 Jason Merrill <jason@redhat.com>
11209 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11210 (push_visibility, pop_visibility): Likewise.
11211 * c-pragma.h: Declare them.
11213 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11215 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11217 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11218 parameter and use get_ebb_head_tail.
11219 (sh_md_init_global): Adjust uses of find_regmode_weight.
11221 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11223 * function.h (struct function) <x_tail_recursion_reentry>:
11224 Rename to x_stack_check_probe_note.
11225 (tail_recursion_reentry): Rename to stack_check_probe_note.
11226 * function.c: Replace tail_recursion_reentry with
11227 stack_check_probe_note everywhere.
11228 (expand_function_start): Only emit a note for
11229 stack_check_probe_note with -fstack-protect.
11230 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11232 * emit-rtl.c (remove_unnecessary_notes): Remove.
11233 (pass_remove_unnecessary_notes): Remove.
11234 * rtl.h (remove_unnecessary_notes): Remove prototype.
11235 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11236 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11237 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11239 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11242 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11243 (valid_in_set): Handle ARRAY_REF.
11244 Change "if min_variant or VH" to asserts.
11245 (create_component_ref_by_pieces): Handle ARRAY_REF.
11246 (create_expression_by_pieces): Likewise.
11247 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11249 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11251 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11252 is operand of switch, not str[0].
11254 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11256 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11257 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11259 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11261 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11262 end of insn_extra_address_constraint declaration.
11264 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11266 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11267 (no-sum-in-toc): Same.
11268 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11270 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11271 NO_FP_IN_TOC for -fPIC instead of mask.
11273 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11274 (BOOT_LDFLAGS): Delete.
11276 * config/rs6000/t-aix52: Same.
11278 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11279 (stmsi[345678]_power): New.
11281 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11283 * config/ia64/ia64.opt: Add empty line to end of file.
11285 2006-03-17 Richard Guenther <rguenther@suse.de>
11287 PR middle-end/26721
11288 * builtins.c (get_pointer_alignment): For component style references
11289 adjust alignment to the component type alignment. Make sure
11290 to adjust alignment for component access of constants.
11292 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11294 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11295 unconditional jump.
11297 2006-03-17 Paul Brook <paul@codesourcery.com>
11299 * doc/install.texi: Docuemnt --with-mode.
11300 * config.gcc: Add --with-mode for arm*-*-*.
11301 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11303 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11305 * sh.c (max_labelno_before_reorg): New variable.
11306 (sh_reorg): Initialize it.
11307 (find_barrier): Check max_labelno_before_reorg before using
11308 label_to_alignment. Take length of explicit alignment insns
11309 into account. When seeing a UNSPECV_CONST_END, return it.
11311 * sh.c (fixup_mova): Set mode of affected label to QImode.
11312 (untangle_mova): New function.
11313 (find_barrier): Use it. Check mode of label before decrementing
11315 (sh_reorg): Likewise.
11316 Set mode of all insns back to VOIDmode.
11318 * sh.c (MOVA_LABELREF): New macro.
11319 (mova_p, fixup_mova, sh_reorg): Use it.
11320 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11321 ADDR_DIFF_VEC matches mova.
11323 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11325 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11326 with ATTRIBUTE_UNUSED.
11328 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11330 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11331 pointer, instead of assuming it is possible to derive the
11332 correct args size from a call insn.
11334 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11336 * rtl.h (CONST_INT_P): Define.
11337 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11338 instead of GET_CODE(x) == CONST_INT.
11339 (vax_rtx_costs): Likewise.
11340 (vax_output_int_move): Likewise.
11341 (vax_output_int_add): Likewise.
11342 (legitimate_constant_address_p): Likewise.
11343 (index_term_p): Likewise.
11344 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11345 * config/vax/vax.md (and<mode>3): Likewise.
11346 (ashrsi3): Likewise.
11348 (movstricthi): Likewise.
11349 (movstrictqi): Likewise.
11350 (rotrsi3): Likewise.
11351 (five unnamed insns): Likewise.
11353 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11355 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11356 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11357 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11358 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11359 Pass to ASM_OUTPUT_DWARF_OFFSET.
11360 * dwarf2out.c (debug_frame_section): New.
11361 (output_call_frame_info): Use debug_frame_section. Pass it to
11362 dw2_asm_output_offset.
11363 (output_die): Pass appropriate section to dw2_asm_output_offset.
11364 (output_compilation_unit_header): Likewise.
11365 (output_pubnames): Likewise.
11366 (output_aranges): Likewise.
11367 (enum dw_val_class): Break dw_val_class_lbl_offset into
11368 dw_val_class_lineptr and dw_val_class_macptr.
11369 (add_AT_lbl_offset): Delete.
11370 (add_AT_lineptr): New.
11371 (add_AT_macptr): New.
11372 (AT_lbl): Expect a lineptr or macptr.
11373 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11374 (attr_checksum): Likewise.
11375 (same_dw_val_p): Likewise.
11376 (size_of_die): Likewise.
11377 (value_format): Likewise.
11378 (output_die): Likewise.
11379 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11381 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11382 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11383 * config/darwin-protos.h (darwin_file_start): New.
11384 (darwin_asm_output_dwarf_offset): New.
11385 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11386 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11388 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11389 if not EH section; simplify.
11390 (darwin_file_start): New.
11391 (darwin_asm_output_dwarf_offset): New.
11392 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11394 (DEBUG_INFO_SECTION): Likewise.
11395 (DEBUG_ABBREV_SECTION): Likewise.
11396 (DEBUG_ARANGES_SECTION): Likewise.
11397 (DEBUG_MACINFO_SECTION): Likewise.
11398 (DEBUG_LINE_SECTION): Likewise.
11399 (DEBUG_LOC_SECTION): Likewise.
11400 (DEBUG_PUBNAMES_SECTION): Likewise.
11401 (DEBUG_STR_SECTION): Likewise.
11402 (DEBUG_RANGES_SECTION): Likewise.
11403 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11404 (ASM_OUTPUT_DWARF_OFFSET): New.
11406 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11408 * config.gcc (tm_defines): Always add to previous value rather
11411 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11413 * config/mips/predicates.md (splittable_const_int_operand): New,
11414 split from move_operand.
11415 (splittable_symbolic_operand): New.
11416 (move_operand): Add commentary. Use splittable_const_int_operand.
11417 Inline mips_atomic_symbolic_constant_p.
11418 * config/mips/mips.md: Add combine splitters for handling moves
11419 of splittable_const_int_operands and splittable_symbolic_operands.
11420 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11421 (mips_split_symbol): Declare.
11422 (mips_move_integer): Declare.
11423 * config/mips/mips.c (mips_split_p): Make global.
11424 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11425 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11426 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11427 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11428 (mips_offset_within_object_p): Handle block symbols.
11429 (mips_atomic_symbolic_constant_p): Delete.
11430 (mips_cannot_force_const_mem): Return false for constants that
11431 mips_legitimize_move can handle.
11432 (mips_use_blocks_for_constant_p): New function.
11433 (mips_split_symbol): Make global.
11434 (mips_move_integer): Likewise. Add a temporary register argument.
11435 (mips_legitimize_const_move): Use splittable_const_int_operand and
11436 splittable_symbolic_operand.
11437 (mips_use_anchors_for_symbol_p): New function.
11438 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11439 (mips_split_p): Declare.
11441 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11443 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11444 (mips*-*-linux*): Likewise.
11446 2006-03-16 Roger Sayle <roger@eyesopen.com>
11447 Daniel Speyer <dspeyer@wam.umd.edu>
11449 PR middle-end/18259
11450 * tree-dump.c (dump_real): New function.
11451 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11452 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11453 (tree-dump.o): Add $(REAL_H) to the dependencies.
11455 2006-03-16 Roger Sayle <roger@eyesopen.com>
11457 PR middle-end/21781
11458 * real.c (real_from_string): If the mantissa is zero, don't bother
11459 parsing the exponent as the result should always be zero.
11461 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11463 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11465 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11467 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11468 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11469 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11470 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11471 ia64_sched_finish_global): New static functions to implement
11472 hooks from gcc_target.sched.
11473 (spec_check_no, max_uid, pending_data_specs): New static variables.
11474 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11475 ia64_spec_check_src_p): New static functions.
11476 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11477 (TARGET_SCHED_ADJUST_COST): Removed.
11478 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11479 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11480 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11481 TARGET_SCHED_GEN_CHECK,
11482 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11483 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11484 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11485 Fixed to handle speculation checks.
11486 (rtx_needs_barrier): Fixed to handle speculative loads and
11488 (ia64_variable_issue): Added code to count speculative loads and their
11490 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11492 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11494 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11496 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11497 (ia64_reorg): Reset stops_p to NULL after it is freed.
11498 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11499 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11500 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11502 (data_speculative, control_speculative, check_load): New attributes.
11503 (mov<mode>_advanced, mov<mode>_speculative,
11504 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11505 zero_extend<mode>di2_speculative,
11506 zero_extend<mode>di2_speculative_advanced): New patterns for
11507 data and control speculative loads.
11508 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11510 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11511 New pattern for data and control speculation checks.
11512 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11513 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11514 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11515 Auxiliary definitions for the patterns.
11516 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11517 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11519 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11521 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11522 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11523 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11524 New resource constraints.
11525 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11527 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11528 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11529 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11530 msched-in-control-spec, msched-ldc, msched-control-ldc,
11531 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11532 msched-prefer-non-control-spec-insns,
11533 msched-count-spec-in-critical-path): New flags to tune speculative
11535 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11536 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11537 msched-in-control-spec, msched-ldc, msched-control-ldc,
11538 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11539 msched-prefer-non-control-spec-insns,
11540 msched-count-spec-in-critical-path): Document new flags.
11542 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11544 * target.h (struct spec_info_def): New opaque declaration.
11545 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11546 speculate_insn, needs_block_p, gen_check,
11547 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11548 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11549 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11550 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11551 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11552 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11554 (TARGET_SCHED): Use new macros.
11555 * rtl.h (copy_DEPS_LIST_list): New prototype.
11556 * sched-int.h (struct sched_info): Change signature of new_ready field,
11557 adjust all initializations. New fields: add_remove_insn,
11558 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11559 region_head_or_leaf_p.
11560 (struct spec_info_def): New structure declaration.
11561 (spec_info_t): New typedef.
11562 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11563 recovery_block, orig_pat.
11564 (glat_start, glat_end): New variables declaraions.
11565 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11567 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11568 DETACH_LIFE_INFO, USE_GLAT.
11569 (enum SPEC_SCHED_FLAGS): New enumeration.
11570 (NOTE_NOTE_BB_P): New macro.
11571 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11572 attach_life_info, debug_spec_status, check_reg_live): New functions.
11573 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11574 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11576 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11577 * ddg.c (get_block_head_tail): Adjust all uses.
11578 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11579 (sms_sched_info): Initialize new fields.
11580 (contributes_to_priority): Removed.
11581 * haifa-sched.c (params.h): New include.
11582 (get_block_head_tail): Adjust all uses.
11583 (ISSUE_POINTS): New macro.
11584 (glat_start, glat_end): New global variables.
11585 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11586 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11587 old_last_basic_block, before_recovery, current_sched_info_var,
11588 rgn_n_insns, luid): New static variables.
11589 (insn_cost1): New function. Move logic from insn_cost to here.
11590 (find_insn_reg_weight1): New function. Move logic from
11591 find_insn_reg_weight to here.
11592 (reemit_notes, move_insn, max_issue): Change signature.
11593 (move_insn1): Removed.
11594 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11595 extend_bb): New static functions to support extension of scheduler's
11597 (generate_recovery_code, process_insn_depend_be_in_spec,
11598 begin_speculative_block, add_to_speculative_block,
11599 init_before_recovery, create_recovery_block, create_check_block_twin,
11600 fix_recovery_deps): New static functions to support
11601 generation of recovery code.
11602 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11603 restore_bb_notes, move_block_after_check, move_succs): New static
11604 functions to support ebb scheduling.
11605 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11606 functions to support handling of register live information.
11607 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11608 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11609 add_jump_dependencies): New static functions.
11610 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11611 consistancy checking.
11612 (debug_spec_status): New function to call from debugger.
11613 (priority): Added code to handle speculation checks.
11614 (rank_for_schedule): Added code to distinguish speculative instructions.
11615 (schedule_insn): Added code to handle speculation checks.
11616 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11617 Fixed to handle ebbs.
11618 (move_insn): Added code to handle ebb scheduling.
11619 (max_issue): Added code to use ISSUE_POINTS of instructions.
11620 (choose_ready): Added code to choose between speculative and
11621 non-speculative instructions.
11622 (schedule_block): Added code to handle ebb scheduling and scheduling of
11623 speculative instructions.
11624 (sched_init): Initialize new variables.
11625 (sched_finish): Free new variables. Print statistics.
11626 (try_ready): Added code to handle speculative instructions.
11627 * lists.c (copy_DEPS_LIST_list): New function.
11628 * sched-deps.c (extend_dependency_caches): New function. Move logic
11629 from create_dependency_caches to here.
11630 (get_dep_weak, ds_merge): Make global.
11631 * genattr.c (main): Code to output prototype for
11632 dfa_clear_single_insn_cache.
11633 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11634 (output_dfa_clean_insn_cache_func): Code to output
11635 dfa_clear_single_insn_cache function.
11636 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11638 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11640 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11641 New static variables.
11642 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11643 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11645 (ebb_sched_info): Initialize new fields.
11646 (get_block_head_tail): Adjust all uses.
11647 (compute_jump_reg_dependencies): Fixed to use glat_start.
11648 (schedule_ebb): Code to remove unreachable last block.
11649 (schedule_ebbs): Added code to update register live information.
11650 * sched-rgn.c (region_sched_info): Initialize new fields.
11651 (get_block_head_tail): Adjust all uses.
11652 (last_was_jump): Removed. Adjust users.
11653 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11654 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11655 Implement new hooks.
11656 (check_dead_notes1): New static function.
11657 (struct region): New fields: dont_calc_deps, has_real_ebb.
11658 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11659 (BB_TO_BLOCK): Fixed to handle EBBs.
11660 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11661 (ebb_head): New static variable.
11662 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11663 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11665 (compute_dom_prob_ps): New assertion.
11666 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11667 global_live_at_start.
11668 (init_ready_list): New assertions.
11669 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11670 (new_ready): Add support for BEGIN_CONTROL speculation.
11671 (schedule_insns): Fixed code that updates register live information
11673 (schedule_region): Fixed to handle EBBs.
11674 (init_regions): Use extend_regions and check_dead_notes1.
11675 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11676 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11677 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11678 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11679 TARGET_SCHED_GEN_CHECK,
11680 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11681 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11682 * doc/invoke.texi (max-sched-insn-conflict-delay,
11683 sched-spec-prob-cutoff): Document.
11685 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11687 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11688 inter_tick, queue_index.
11689 (struct sched_info): Change signature of init_ready_list field.
11690 Adjust all initializations.
11691 (RESOLVED_DEPS): New access macro.
11692 (ready_add): Remove prototype.
11693 (try_ready): Add prototype.
11694 * sched-rgn.c (init_ready_list): Use try_ready.
11695 (schedule_region): Initialize
11696 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11697 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11698 (init_ready_list): Use try_ready.
11699 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11700 * lists.c (remove_list_elem): Remove `static'.
11701 (remove_free_INSN_LIST_elem): New function.
11702 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11703 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11704 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11706 (readyp): New variable.
11707 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11708 change_queue_index, resolve_dep): New static functions.
11709 (try_ready): New function. Adjust callers in sched-rgn.c and
11710 sched-ebb.c to use it instead of ready_add.
11711 (clock_var): Move at the begining of file.
11712 (rank_for_schedule): Fix typo.
11713 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11714 (ready_lastpos): Enforce assertion.
11715 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11716 update all callers.
11717 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11718 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11719 (queue_to_ready): Use free_INSN_LIST_list.
11720 (early_queue_to_ready): Fix typo.
11721 (schedule_block): Init readyp. Move init_ready_list call after the
11722 initialization of clock_var. Fix error in rejecting insn by
11723 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11724 that previously corrected INSN_TICKs. Add code for handling
11726 (set_priorities): Fix typo.
11727 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11728 Clarify comment and code that keeps current_sched_info->next_tail
11731 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11733 * sched-rgn.c (extend_rgns): New static function.
11734 (find_rgns): Use it.
11735 (gather_region_statistics, print_region_statistics): New static
11737 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11738 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11740 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11741 Andrey Belevantsev <abel@ispras.ru>
11743 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11744 * lists.c (unused_deps_list): New variable.
11745 (free_list): Add assertions to verify the proper distinguishing
11746 between INSN_LISTs and DEPS_LISTs.
11747 (find_list_elem, remove_list_elem, remove_list_node): New static
11749 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11750 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11751 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11752 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11754 (free_INSN_LIST_node): Likewise.
11755 * modulo-sched.c (current_sched_info): Initialize flags field.
11756 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11757 * rtl.def (DEPS_LIST): Define.
11758 * rtl.h: Declare new functions from lists.c.
11759 * sched-deps.c (spec_dependency_cache): New static variable.
11760 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11761 (add_dependence): Change return type to void. Move the logic to ...
11762 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11763 (delete_all_dependences): Add comment about forward_dependency_cache.
11764 Handle spec_dependency_cache. Handle DEPS_LISTs.
11765 (fixup_sched_groups): Clarify the change of priority of output
11766 and anti dependencies.
11767 (sched_analyze_2): Adjust add_dependence calls to create data
11768 speculative dependence.
11769 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11770 Adjust all callers. Handle DEPS_LISTS.
11771 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11772 presence of speculation.
11773 (init_dependency_caches, free_dependency_caches):
11774 Handle spec_dependency_cache.
11775 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11776 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11777 New static functions.
11778 (add_or_update_back_dep, add_or_update_back_forw_dep,
11779 add_back_forw_dep, delete_back_forw_dep): New functions.
11780 * sched-int.h (ds_t, dw_t): New typedefs.
11781 (struct sched_info): Add new field flags.
11782 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11783 Prototype new sched-deps.c functions.
11784 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11785 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11786 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11787 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11788 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11789 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11791 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11793 * sched-rgn.c (current_sched_info): Initialize flags field.
11794 (schedule_insns): Initialize current_sched_info before the sched_init
11796 * sched-ebb.c (current_sched_info): Initialize flags field.
11797 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11798 Call add_or_update_back_dep instead of add_dependence.
11799 Create control speculative dependencies.
11800 (schedule_insns): Initialize current_sched_info before the sched_init
11803 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11805 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11807 (sh_fallback_frame_state): Likewise.
11809 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11811 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11812 Do switch on default_use_cxa_atexit.
11813 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11814 * config/darwin-crt3.o: New.
11815 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11816 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11817 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11819 * config/rs6000/t-darwin: Move crt2.o building to here.
11820 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11821 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11824 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11826 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11827 from '! xxx' to '!xxx' for coding-style conformance.
11828 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11829 (EXTRA_CONSTRAINT): Likewise.
11830 * config/vax/vax.md (four unnamed insns): Likewise.
11832 2006-03-15 Paul Brook <paul@codesourcery.com>
11834 * config/arm/arm.c (minipool_pad): New.
11835 (add_minipool_forward_ref): Include pool alignment padding in address
11837 (push_minipool_fix): Set minipool_pad.
11838 (minipool_pad): Ditto.
11840 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11842 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11843 instead of GET_CODE() == MEM and REG_P() instead of
11845 (print_operand_address): Likewise.
11846 (vax_address_cost): Likewise.
11847 (vax_rtx_costs): Likewise.
11848 (vax_notice_update_cc): Likewise.
11849 (vax_output_int_add): Likewise.
11850 (INDEX_REGISTER_P): Likewise.
11851 (BASE_REGISTER_P): Likewise.
11852 (nonindexed_address_p): Likewise.
11853 (vax_mode_dependent_address_p): Likewise.
11854 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11855 (PRINT_OPERAND): Likewise.
11856 * config/vax/vax.md (ashlsi3): Likewise.
11857 (ashlsi3): Likewise.
11858 (some more unnamed insns): Likewise.
11860 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11862 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11863 iterator-style macro.
11864 (mark_control_dependent_edges_necessary): Update the use of
11865 EXECUTE_IF_CONTROL_DEPENDENT.
11867 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11869 * config/sh/predicates.md (cache_address_operand): Special.
11870 (ua_address_operand): Likewise.
11872 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11874 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11876 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11878 2006-03-15 Andreas Schwab <schwab@suse.de>
11880 * gensupport.c (identify_predicable_attribute): Don't free p_false
11881 when it is still in use.
11883 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11885 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11886 the default setting here.
11888 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11890 * tree-pass.h (pass_cfg): Remove.
11891 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11892 * passes.c (pass_cfg): Don't run it.
11894 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11896 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11897 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11899 (stack_regs_mentioned): Update the uses of
11900 stack_regs_mentioned_data. Don't access the array beyond its
11902 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11903 Don't include gt-reg-stack.h.
11905 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11906 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11908 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11910 PR middle-end/26684
11911 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11914 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11916 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11918 2006-03-14 Richard Guenther <rguenther@suse.de>
11920 PR tree-optimization/26672
11921 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11924 2006-03-14 Richard Guenther <rguenther@suse.de>
11926 PR tree-optimization/26667
11927 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11928 node for the callees. Always allow inlining if it will shrink
11931 2006-03-14 Richard Guenther <rguenther@suse.de>
11933 PR middle-end/26659
11934 * builtins.c (get_pointer_alignment): Prefer alignment
11935 information from decls over that from types.
11937 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11940 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11942 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11944 * config/rs6000/rs6000.opt (mdlmzb): New option.
11945 (msched-prolog, msched-epilog): Use Var not Mask.
11946 * doc/invoke.texi (-mdlmzb): Document.
11947 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11949 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11950 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11952 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11954 PR rtl-optimization/25739
11955 * bt-load.c (augment_live_range): Free tos pointer.
11957 * gensupport.c (identify_predicable_attribute): Free
11959 * gcov.c (create_file_names): Free name pointer.
11961 2006-03-13 Roger Sayle <roger@eyesopen.com>
11963 PR middle-end/26557
11964 * stmt.c (emit_case_nodes): Handle the case where the index is a
11965 CONST_INT, where the comparison mode is specified by the index type.
11967 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11969 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11972 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11974 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11975 (*branch_fp_inverted): Likewise.
11977 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11979 PR middle-end/25989
11980 * omp-low.c (expand_omp_for_generic): Mark istart0
11981 and iend0 as addressable.
11983 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11985 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11987 2006-03-13 Jeff Law <law@redhat.com>
11989 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11990 virtual operands are interesting.
11991 (vrp_visit_stmt): Corresponding changes.
11993 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11995 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11997 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11998 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11999 * config/bfin/crti.S: Use it instead of __PIC__.
12000 * config/bfin/crtn.S: Likewise.
12002 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12003 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12005 Lose 'G' modifier for call operand.
12006 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12007 recognize 'G' modifier.
12009 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12011 PR middle-end/18859
12012 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12013 * stmt.c (expand_case): Likewise.
12015 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12017 PR rtl-optimization/26254
12018 * loop-invariant.c (seq_insns_valid_p): New function.
12019 (move_invariant_reg): Only emit new code if it is valid.
12021 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12023 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12025 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12026 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12027 (commit_one_edge_insertion): Do not look for loop notes.
12029 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12031 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12032 flag_test_coverage out of loop.
12034 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12036 * final.c (shorten_branches): Remove outdated comment, and turn
12037 the if branch that guards it to continue.
12039 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12041 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12042 * cfgloop.h (struct loop): Remove unused fields.
12044 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12046 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12047 (-dL, -fdump-rtl-loop2): Update the dump file names
12049 * doc/invoke.texi: Update dump file names.
12051 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12053 * predict.c (estimate_probability): Remove.
12054 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12055 * basic-block.h (estimate_probability): Remove prototype.
12056 * passes.c (finish_optimization_passes): Dump branch prediction or
12057 profiling heuristics to the .profile tree dump.
12058 (init_optimization_passes): Unqueue pass_branch_prob.
12060 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12062 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12064 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12065 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12067 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12069 * function.h (frame_offset_overflow): Declare.
12070 * function.c (frame_offset_overflow): New function.
12071 (assign_stack_local_1): Call it to detect that the offset overflows.
12072 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12074 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12076 * config/sh/sh.c: Include alloc-pool.h.
12077 (label_ref_list_pool): New alloc pool.
12078 (label_ref_list_t): New type for lists of labels.
12079 (struct pool_node): Make wend a label_ref_list_t.
12080 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12082 (dump_table): Likewise.
12083 (sh_reorg): Set up the alloc pool before using add_constant and
12084 dump_table, and destroy it when finishing.
12086 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12088 * config/mips/mips.c: Remove redundant comment.
12090 2006-03-10 Jason Merrill <jason@redhat.com>
12093 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12094 the target was declared 'register'.
12096 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12098 * genpreds.c (write_insn_constraint_len): Change definition of
12099 insn_constraint_len to return size_t to match the declaration.
12101 2006-03-10 DJ Delorie <dj@redhat.com>
12103 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12105 (m32c_expand_insv): Fix test for an AND mask.
12107 2006-03-10 Richard Guenther <rguenther@suse.de>
12109 PR middle-end/26565
12110 * builtins.c (get_pointer_alignment): Handle component
12111 references for field alignment.
12113 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12115 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12116 when building with libgloss.
12117 (sh*elf): Implement --without-fp option.
12118 (sh64-superh-linux*): Don't multilib.
12120 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12122 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12124 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12126 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12127 Set it when one of the replacement functions returned true.
12128 Return TODO_cleanup_cfg if cfgchanged is true.
12129 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12131 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12133 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12134 instead of gen_lowpart.
12136 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12138 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12140 (mips_output_order_conditional_branch): Declare.
12141 * config/mips/mips.h (MIPS_BRANCH): New macro.
12142 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12143 for the comparison. Use gen_condjump.
12144 (mips_output_conditional_branch): Rework interface to take the
12145 asm templates for a direct branch and the inverse of a direct branch.
12146 (mips_output_order_conditional_branch): New function.
12147 (mips_builtin_branch_and_move): New function.
12148 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12149 branch condition. Use gen_single_cc as the condition for
12150 __builtin_mips_upper_* or __builtin_mips_lower_*.
12151 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12152 Use VOIDmode for the branch condition.
12153 * config/mips/predicates.md (order_operator): New predicate.
12154 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12155 (branch_fp): Rename to...
12156 (*branch_fp): ...this. Remove mode from comparison operator.
12157 Use new mips_output_conditional_branch interface.
12158 (branch_fp_inverted): Rename to...
12159 (*branch_fp_inverted): ...this and update as for *branch_fp.
12160 (*branch_zero<mode>): Rename to...
12161 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12162 Use mips_output_order_conditional_branch. Only accept ordered
12164 (*branch_zero<mode>_inverted): Rename to...
12165 (*branch_order<mode>_inverted): ...this and update as for
12166 *branch_order<mode>.
12167 (*branch_equality<mode>): Accept zero as the second operand to
12168 the equality operator. Use the new mips_output_conditional_branch
12170 (*branch_equality<mode>_inverted): Likewise.
12171 (condjump): New expander.
12172 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12174 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12175 (bc1any2t, bc1any2f): Likewise.
12176 (single_cc): New expander.
12177 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12179 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12181 * doc/md.texi: Update documentation of MIPS constraints.
12182 * config/mips/constraints.md: New file.
12183 * config/mips/mips.md: Include it.
12184 * config/mips/mips.c (mips_char_to_class): Delete.
12185 (override_options): Don't initialize mips_char_to_class.
12186 * config/mips/mips.h (mips_char_to_class): Delete.
12187 (REG_CLASS_FROM_LETTER): Delete.
12188 (CONST_OK_FOR_LETTER_P): Delete.
12189 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12190 (EXTRA_CONSTRAINT_Y): Delete.
12191 (EXTRA_CONSTRAINT_STR): Delete.
12192 (CONSTRAINT_LEN): Delete.
12193 (EXTRA_MEMORY_CONSTRAINT): Delete.
12195 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12197 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12198 original fn's eh regions.
12200 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12202 * fold-const.c (build_range_check): Make sure to use a valid type to
12203 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12206 (range_predecessor): New static function.
12207 (range_successor): Likewise.
12208 (merge_ranges): Use them to compute predecessors and successors of
12211 2006-03-09 Roger Sayle <roger@eyesopen.com>
12213 PR middle-end/26561
12214 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12215 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12217 2006-03-08 DJ Delorie <dj@redhat.com>
12219 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12220 (addpsi3): Expand to include memory operands. Remove
12221 reload-specific splits.
12222 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12223 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12224 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12225 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12226 (shift1_qi, shift1_hi, insv): New.
12227 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12228 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12229 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12231 * config/m32c/m32c-protos.h: Update as needed.
12232 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12233 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12234 Fail for unrecognized R* constraints.
12235 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12236 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12237 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12239 (m32c_init_libfuncs): New.
12240 (m32c_legitimate_address_p): Add debug wrapper.
12241 (m32c_rtx_costs): New.
12242 (m32c_address_cost): New.
12243 (conversions): Add 'B' prefix.
12244 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12245 operands, or word regnames for QI operands. 'B' prints bit
12247 (m32c_expand_setmemhi): New.
12248 (m32c_expand_movmemhi): New.
12249 (m32c_expand_movstr): New.
12250 (m32c_expand_cmpstr): New.
12251 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12252 (m32c_expand_neg_mulpsi3): Handle non-ints.
12253 (m32c_cmp_flg_0): New.
12254 (m32c_expand_movcc): New.
12255 (m32c_expand_insv): New.
12256 (m32c_scc_pattern): New.
12257 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12258 a0/a1 out of SIregs.
12259 (STORE_FLAG_VALUE): New.
12260 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12263 * config/m32c/mov.md: Make constraints more liberal.
12264 (zero_extendqihi2): Optimize r0/r1 case.
12265 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12266 * config/m32c/predicates.md (m32c_any_operand): New.
12267 (m32c_nonimmediate_operand): New.
12268 (m32c_hl_operand): New.
12269 (m32c_r3_operand): New.
12272 (memsym_operand): New.
12273 (memimmed_operand): New.
12274 (a_qi_operand): New.
12275 (m32c_eqne_operator): New.
12276 (m32c_1bit8_operand): New.
12277 (m32c_1bit16_operand): New.
12278 (m32c_1mask8_operand): New.
12279 (m32c_1mask16_operand): New.
12280 * config/m32c/blkmov.md: New file.
12281 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12283 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12285 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12286 unsigned to fix signed/unsigned comparison issue in
12287 DWARF2_FRAME_REG_OUT.
12288 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12289 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12291 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12292 of ptr into the ENABLE_CHECKING section.
12294 2006-03-08 Jeff Law <law@redhat.com>
12296 * tree-vrp.c (infer_value_range): Only count pointer uses
12297 and dereferences if -fdelete-null-pointer-checks is enabled.
12299 * tree-vrp.c (find_assert_locations): Infer value ranges for
12300 single use pointers, but do not create ASSERT_EXPRs for them.
12301 When a non-null range is inferred for a pointer, backwards
12302 propagate that range to other equivalent pointers through the
12305 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12308 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12309 language hook targets.
12310 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12311 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12312 if language hook targets were missing.
12314 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12316 * tree-ssa-opfinalize.h: Removed.
12317 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12319 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12320 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12321 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12322 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12323 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12324 finalize_ssa_v_must_def_ops): New.
12326 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12328 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12329 block as parameter.
12331 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12333 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12335 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12336 addresses with offsets; reorganize.
12338 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12339 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12340 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12342 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12345 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12347 2006-03-08 Ben Elliston <bje@au.ibm.com>
12349 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12351 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12354 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12357 2006-03-07 Richard Guenther <rguenther@suse.de>
12359 PR tree-optimization/26587
12360 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12362 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12364 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12366 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12368 * hooks.c (hook_bool_mode_rtx_true): New function.
12369 * hooks.h (hook_bool_mode_rtx_true): Declare.
12370 * toplev.c (compile_file): Call output_shared_constant_pool.
12371 * varasm.c (shared_constant_pool): New variable.
12372 (assemble_start_function, assemble_end_function): Remove arguments
12373 from call to output_constant_pool.
12374 (create_constant_pool): New function, split out from...
12375 (init_varasm_status): ...here.
12376 (force_const_mem): Choose between the shared and per-function constant
12377 pools. Set current_function_uses_const_pool when reusing old entries
12378 as well as when creating new ones.
12379 (mark_constant): Ignore data argument.
12380 (mark_constants): Remove pool argument.
12381 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12382 to decide whether the function uses a constant pool.
12383 (output_constant_pool_contents): New function, split out from...
12384 (output_constant_pool): ...here.
12385 (output_shared_constant_pool): New function.
12386 (init_varasm_once): Initialize shared_constant_pool.
12387 * output.h (output_constant_pool): Delete.
12388 (output_shared_constant_pool): Declare.
12389 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12390 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12392 2006-03-06 Nick Clifton <nickc@redhat.com>
12394 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12395 flag_strength_reduce.
12397 2006-03-06 Ben Elliston <bje@au.ibm.com>
12399 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12400 x86_64-*-linux* configurations.
12402 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12403 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12405 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12407 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12409 * basic-block.h: Remove the extern for
12410 rediscover_loops_after_threading.
12412 * cfgloop.c (cancel_loop): Make it static.
12413 * cfgloop.h: Remove the prototype for cancel_loop.
12415 * flow.c (recompute_reg_usage): Make it static.
12416 * rtl.h: Remove the prototype for recompute_reg_usage.
12418 * function.c (use_return_register): Make it static.
12419 * function.h: Remove the prototype.
12421 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12423 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12425 * recog.h: Remove the prototype for
12426 validate_change_maybe_volatile.
12428 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12430 * rtlanal.c (replace_reg): Remove.
12431 * rtl.h: Remove the prototype for replace_reg.
12433 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12435 * regclass.c (reg_scan_update): Remove.
12436 (reg_scan_mark_refs): Remove the last argument.
12437 * rtl.h: Remove the prototype for reg_scan_update.
12439 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12441 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12442 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12443 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12444 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12445 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12446 loop-invariant.c, omp-low.c, opts.c, passes.c,
12447 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12448 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12449 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12450 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12451 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12452 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12454 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12456 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12457 * dwarf2out.h: Remove the prototype for
12458 dwarf2out_add_library_unit_info.
12460 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12462 * tree.c (add_var_to_bind_expr): Remove.
12463 * tree.h: Remove the prototype for add_var_to_bind_expr.
12465 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12467 * regclass.c (n_non_fixed_regs): Remove.
12468 (init_reg_sets_1, globalize_reg): Remove all uses of
12470 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12472 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12474 * rtlanal.c (insns_safe_to_move_p): Remove.
12475 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12477 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12479 * expmed.c (expand_mult_add): Remove.
12480 * expr.h: Remove the prototype for expand_mult_add.
12482 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12484 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12485 and REG_SAVED_VAL_EXP constants.
12486 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12487 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12488 Handle regs stored by value.
12489 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12490 (execute_cfa_program): Handle DW_CFA_val_offset,
12491 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12492 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12493 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12494 (uw_install_context_1): Handle target regs stored by value.
12496 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12498 * tree-sra.c (tree_sra): Return todoflags;
12499 (generate_one_element): Set TODO_update_smt_usage if needed.
12500 (pass_sra): Remove TODO_update_smt_usage.
12501 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12503 (tree_ssa_forward_propagate_single_use_vars): Return
12504 TODO_update_smt_usage if we need to update SMT usage.
12505 (pass_forwprop): Remove TODO_update_smt_usage.
12507 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12509 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12510 (correct_use_link): Remove reference to get_stmt_operands.
12511 (update_stmt_operands): Likewise.
12512 (get_modify_expr_operands): New function factored out of
12513 parse_ssa_operands and get_expr_operands.
12514 Try to create V_MUST_DEFs for LHS by default.
12515 (get_expr_operands) <case MODIFY_EXPR>: Call
12516 get_modify_expr_operands.
12517 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12518 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12519 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12520 get_modify_expr_operands.
12522 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12524 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12525 * tree-flow.h: Remove the prototype for
12526 referenced_var_lookup_if_exists.
12528 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12530 PR rtl-optimization/26345
12532 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12534 2006-03-03 Roger Sayle <roger@eyesopen.com>
12536 PR tree-optimization/26524
12537 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12538 fold_convert to create a constant of the appropriate type.
12540 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12542 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12543 SYMBOL_REF_IN_BLOCK_P.
12544 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12545 of SYMBOL_FLAG_IN_BLOCK.
12546 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12547 instead of SYMBOL_REF_IN_BLOCK_P.
12548 * explow.c (use_anchored_address): Likewise.
12549 * rtl.c (rtx_size): Likewise.
12550 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12551 instead of SYMBOL_FLAG_IN_BLOCK.
12552 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12553 SYMBOL_REF_IN_BLOCK_P.
12554 (assemble_variable): Likewise.
12555 (output_constant_def_contents): Likewise.
12556 (output_constant_pool): Likewise.
12557 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12558 instead of SYMBOL_FLAG_IN_BLOCK.
12559 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12560 SYMBOL_REF_IN_BLOCK_P.
12561 (SYMBOL_REF_BLOCK): Likewise.
12562 (SYMBOL_REF_OFFSET): Likewise.
12563 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12564 SYMBOL_REF_IN_BLOCK_P.
12565 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12566 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12567 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12568 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12570 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12572 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12574 2006-03-02 Roger Sayle <roger@eyesopen.com>
12576 * simplify-rtx.c (simplify_unary_operation): When simplifying
12577 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12578 that we perform the right shift in the appropriate mode, and
12579 then extend or truncate the result to requested mode.
12581 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12583 * gengtype.c (main): Handle double_int type.
12584 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12585 * double-int.c: New file.
12586 * double-int.h: New file.
12587 * system.h: Include doubleint.h.
12588 * Makefile.in (SYSTEM_H): Include double-int.h.
12589 (double-int.o): Add.
12591 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12594 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12597 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12599 * tree-vrp.c (remove_range_assertions): Do not update statements
12602 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12604 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12606 * gcse.c (rest_of_handle_gcse): Ditto.
12607 * except.c (gate_handle_eh): Ditto.
12608 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12609 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12611 2006-03-02 Eric Christopher <echristo@apple.com>
12613 * config/i386/i386.c (machopic_output_stub): Add indirection to
12616 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12620 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12622 Sun Niagara specific optimizations.
12623 * config.gcc: Recognize niagara as target.
12624 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12625 (TARGET_CPU_niagara): Define.
12626 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12627 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12628 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12629 (ASM_CPU_SPEC): Likewise.
12630 (PROCESSOR_NIAGARA): New enum entry.
12631 (REGISTER_MOVE_COST): Handle Niagara.
12632 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12633 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12634 (sparc_override_options): Recognize "niagara", set appropriate
12635 default MASK_* values for it, and align functions to 32-bytes
12636 by default just like ULTRASPARC/ULTRASPARC3.
12637 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12638 (sparc64_initialize_trampoline): Likewise.
12639 (sparc_use_sched_lookahead): Use zero for niagara.
12640 (sparc_issue_rate): Use one for niagara.
12641 * config/sparc/niagara.md: New file.
12642 * config/sparc/sparc.md: Include it.
12643 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12644 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12645 when default cpu is niagara.
12646 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12647 (ASM_CPU_SPEC): Likewise.
12648 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12649 when default cpu is niagara.
12650 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12651 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12652 just like v9/ultrasparc/ultrasparc3.
12653 * doc/invoke.texi: Add documentation for "niagara" and improve
12654 existing documentation for ultrasparc variants.
12656 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12658 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12660 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12662 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12663 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12664 and say that only one is needed.
12665 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12666 * target.h (have_switchable_bss_sections): New hook.
12667 * explow.c (use_anchored_address): Check that the symbol is in a block.
12668 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12669 (bss_noswitch_section): New variables.
12670 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12671 (get_noswitch_section): New function.
12672 (get_block_for_section): Allow SECT to be null.
12673 (unlikely_text_section_p): Use SECTION_STYLE.
12674 (bss_initializer_p): New function.
12675 (get_variable_section): Move earlier in file. Take a new argument,
12676 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12677 Return one of the new *_sections in such cases.
12678 (get_block_for_decl): New function, extracting some logic from
12679 use_blocks_for_decl_p.
12680 (change_symbol_section): Remove in favor of...
12681 (change_symbol_block): ...this new function.
12682 (use_blocks_for_decl_p): Remove checks now performed by
12683 get_block_for_decl.
12684 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12685 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12686 (emit_local, emit_bss, emit_common): ...these new functions.
12687 Return true if the alignment was honored.
12688 (emit_tls_common): New function.
12689 (asm_emit_uninitialised): Delete.
12690 (assemble_variable_noswitch): New function, split out from...
12691 (assemble_variable): ...here. Don't make decisions about common
12692 variables here. Globalize all public decls that go into non-common
12693 sections. Check whether SYMBOL_REF_BLOCK is null.
12694 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12695 (output_constant_pool): Likewise.
12696 (init_varasm_once): Initialize the new section variables.
12697 (have_global_bss_p): New function.
12698 (categorize_decl_for_section): Use bss_initializer_p.
12699 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12700 (place_block_symbol): Assert that the symbol must be in a block.
12701 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12702 (TARGET_INITIALIZER): Include it.
12703 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12704 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12705 (SECTION_MACH_DEP): Bump by two.
12706 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12707 (unnamed_section): Mention SECTION_UNNAMED in comment.
12708 (named_section): Likewise SECTION_NAMED.
12709 (noswitch_section_callback): New type.
12710 (noswitch_section): New structure.
12711 (section): Add a noswitch_section alternative.
12712 (SECTION_STYLE): New macro.
12713 (tls_comm_section, comm_section, lcomm_section): Declare.
12714 (bss_noswitch_section, have_global_bss_p): Declare.
12715 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12716 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12718 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12719 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12722 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12724 * tree-vrp.c (execute_vrp): Return value.
12725 * regrename.c (rest_of_handle_regrename): Ditto.
12726 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12727 * tree-complex.c (tree_lower_complex): Ditto.
12728 (tree_lower_complex_O0): Ditto.
12729 * tracer.c (rest_of_handle_tracer): Ditto.
12730 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12731 * postreload.c (rest_of_handle_postreload): Ditto.
12732 * tree-tailcall.c (execute_tail_recursion): Ditto.
12733 (execute_tail_calls): Ditto.
12734 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12735 * tree.h (init_function_for_compilation): Ditto.
12736 * ipa-cp.c (ipcp_driver): Ditto.
12737 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12738 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12739 * final.c (compute_alignments): Ditto.
12740 (rest_of_handle_final): Ditto.
12741 (rest_of_handle_shorten_branches): Ditto.
12742 (rest_of_clean_state): Ditto.
12743 * omp-low.c (execute_expand_omp): Ditto.
12744 (execute_lower_omp): Ditto.
12745 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12746 * ipa-reference.c (static_execute): Ditto.
12747 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12748 * reorg.c (rest_of_handle_delay_slots): Ditto.
12749 (rest_of_handle_machine_reorg): Ditto.
12750 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12751 * flow.c (recompute_reg_usage): Ditto.
12752 (rest_of_handle_remove_death_notes): Ditto.
12753 (rest_of_handle_life): Ditto.
12754 (rest_of_handle_flow2): Ditto.
12755 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12756 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12757 (do_ssa_store_ccp): Ditto.
12758 (execute_fold_all_builtins): Ditto.
12759 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12760 * modulo-sched.c (rest_of_handle_sms): Ditto.
12761 * ipa-pure-const.c (static_execute): Ditto.
12762 * cse.c (rest_of_handle_cse): Ditto.
12763 (rest_of_handle_cse2): Ditto.
12764 * web.c (rest_of_handle_web): Ditto.
12765 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12766 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12767 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12768 * tree-nrv.c (tree_nrv): Ditto.
12769 (execute_return_slot_opt): Ditto.
12770 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12771 (create_structure_vars): Ditto.
12772 * loop-init.c (rtl_loop_init): Ditto.
12773 (rtl_loop_done): Ditto.
12774 (rtl_move_loop_invariants): Ditto.
12775 (rtl_unswitch): Ditto.
12776 (rtl_unroll_and_peel_loops): Ditto.
12777 (rtl_doloop): Ditto.
12778 * gimple-low.c (lower_function_body): Ditto.
12779 (mark_used_blocks): Ditto.
12780 * tree-ssa-sink.c (execute_sink_code): Ditto.
12781 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12782 (cgraph_early_inlining): Ditto.
12783 * global.c (rest_of_handle_global_alloc): Ditto.
12784 * jump.c (cleanup_barriers): Ditto.
12785 (purge_line_number_notes): Ditto.
12786 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12787 (rest_of_handle_if_after_reload): Ditto.
12788 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12789 (tree_ssa_loop_im): Ditto.
12790 (tree_ssa_loop_unswitch): Ditto.
12791 (tree_vectorize): Ditto.
12792 (tree_linear_transform): Ditto.
12793 (tree_ssa_loop_ivcanon): Ditto.
12794 (tree_ssa_empty_loop): Ditto.
12795 (tree_ssa_loop_bounds): Ditto.
12796 (tree_complete_unroll): Ditto.
12797 (tree_ssa_loop_prefetch): Ditto.
12798 (tree_ssa_loop_ivopts): Ditto.
12799 (tree_ssa_loop_done): Ditto.
12800 * predict.c (tree_estimate_probability): Ditto.
12801 * recog.c (split_all_insns_noflow): Ditto.
12802 (rest_of_handle_peephole2): Ditto.
12803 (rest_of_handle_split_all_insns): Ditto.
12804 * tree-eh.c (lower_eh_constructs): Ditto.
12805 * regmove.c (rest_of_handle_regmove): Ditto.
12806 (rest_of_handle_stack_adjustments): Ditto.
12807 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12808 * function.c (instantiate_virtual_regs): Ditto.
12809 (init_function_for_compilation): Ditto.
12810 (rest_of_handle_check_leaf_regs): Ditto.
12811 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12812 (rest_of_handle_gcse): Ditto.
12813 * ipa-type-escape.c (type_escape_execute): Ditto.
12814 * alias.c (rest_of_handle_cfg): Ditto.
12815 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12816 * profile.c (rest_of_handle_branch_prob): Ditto.
12817 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12818 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12819 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12820 * tree-dfa.c (find_referenced_vars): Ditto.
12821 * except.c (set_nothrow_function_flags): Ditto.
12822 (convert_to_eh_region_ranges): Ditto.
12823 (rest_of_handle_eh): Ditto.
12824 * emit-rtl.c (unshare_all_rtl): Ditto.
12825 (remove_unnecessary_notes): Ditto.
12826 * except.h (set_nothrow_function_flags): Ditto.
12827 (convert_to_eh_region_ranges): Ditto.
12828 * cfgexpand.c (tree_expand_cfg): Ditto.
12829 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12830 * tree-ssa-pre.c (do_pre): Ditto.
12831 (execute_fre): Ditto.
12832 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12833 (rest_of_handle_jump2): Ditto.
12834 * tree-sra.c (tree_sra): Ditto.
12835 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12836 (execute_mudflap_function_decls): Ditto.
12837 * tree-ssa-copy.c (do_copy_prop): Ditto.
12838 (do_store_copy_prop): Ditto.
12839 * ipa-prop.h (ipcp_driver): Ditto.
12840 * cfglayout.c (insn_locators_initialize): Ditto.
12841 * tree-ssa-forwprop.c
12842 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12843 * cfglayout.h (insn_locators_initialize): Ditto.
12844 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12845 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12846 (execute_late_warn_uninitialized): Ditto.
12847 * rtl.h (cleanup_barriers): Ditto.
12848 (split_all_insns_noflow): Ditto.
12849 (purge_line_number_notes): Ditto.
12850 (unshare_all_rtl): Ditto.
12851 (remove_unnecessary_notes): Ditto.
12852 (recompute_reg_usage): Ditto.
12853 (variable_tracking_main): Ditto.
12854 * integrate.c (emit_initial_value_sets): Ditto.
12855 * integrate.h (emit_initial_value_sets): Ditto.
12856 * tree-optimize.c (execute_free_datastructures): Ditto
12857 (execute_free_cfg_annotations): Ditto.
12858 (execute_fixup_cfg): Ditto.
12859 (execute_cleanup_cfg_pre_ipa): Ditto.
12860 (execute_cleanup_cfg_post_optimizing): Ditto.
12861 (execute_init_datastructures): Ditto.
12862 * tree-object-size.c (compute_object_sizes): Ditto.
12863 * combine.c (rest_of_handle_combine): Ditto.
12864 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12865 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12866 (rest_of_handle_reorder_blocks): Ditto.
12867 (rest_of_handle_partition_blocks): Ditto.
12868 * var-tracking.c (variable_tracking_main): Ditto.
12869 * tree-profile.c (tree_profiling): Ditto.
12870 * tree-vect-generic.c (expand_vector_operations): Ditto.
12871 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12872 * sched-rgn.c (rest_of_handle_sched): Ditto.
12873 (rest_of_handle_sched2): Ditto.
12874 * basic-block.h (free_bb_insn): Ditto.
12875 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12876 * tree-cfg.c (execute_build_cfg): Ditto.
12877 (remove_useless_stmts): Ditto.
12878 (split_critical_edges): Ditto.
12879 (execute_warn_function_return): Ditto.
12880 (execute_warn_function_noreturn): Ditto.
12881 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12882 * cfgrtl.c (free_bb_for_insn): Ditto.
12883 * passes.c (execute_one_pass): Run additional
12884 todos returned by execute function.
12885 * tree-pass.h (struct tree_opt_pass): Make execute
12888 2006-03-02 Richard Guenther <rguenther@suse.de>
12890 * tree-ssa-alias.c (find_used_portions): Consider taking
12891 the address as making the variable not write-only.
12893 2006-03-02 Nick Clifton <nickc@redhat.com>
12895 * config.gcc (default_use_cxa_atexit): Extend the description of
12896 this configure variable. Set its default value to "yes" for
12897 Linux, NetBSD and ELF targets on the assumption that they will
12898 use C libraries with the __cxa_atexit function.
12900 2006-03-02 Ben Elliston <bje@au.ibm.com>
12902 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12903 parameter as unused to suppress a build warning.
12905 2006-03-02 Ben Elliston <bje@au.ibm.com>
12907 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12910 2006-03-01 Roger Sayle <roger@eyesopen.com>
12913 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12914 declared name, the weak reference name, and the typeof name.
12915 (__gthrw): Avoid expanding the declared name suffix.
12916 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12918 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12920 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12922 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12923 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12924 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12925 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12926 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12927 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12928 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12929 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12930 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12931 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12932 (DW_END_default, DW_END_big, DW_END_little): New.
12933 (DW_END_lo_user, DW_END_hi_user): Define.
12934 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12935 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12936 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12939 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12941 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12943 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12945 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12947 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12949 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12950 to 'symbol_mem_tag'.
12952 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12955 2006-03-01 Roger Sayle <roger@eyesopen.com>
12957 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12959 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12962 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12963 MACHO_DYNAMIC_NO_PIC_P.
12964 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12966 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12969 * config/darwin-protos.h (darwin_asm_output_anchor):
12971 * config/darwin-sections.def (cstring_section):
12972 Add SECTION_MERGE to the flags.
12973 (literal4_section): Likewise.
12974 (literal8_section): Likewise.
12975 (objc_selector_refs_section): Likewise.
12976 (objc_cls_refs_section): Likewise.
12977 * config/darwin.c (darwin_asm_output_anchor): New
12979 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12981 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12983 Fix PR tree-optimization/26443
12984 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12985 to todo and PROP_tmt_usage to properties_destroyed.
12986 * tree-ssa-ccp.c (pass_ccp): Ditto.
12987 (pass_store_ccp): Ditto.
12988 * tree-ssa-dom.c (pass_dominator): Ditto.
12990 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12992 * tree-ssa-operands.c: Cleanup whitespace.
12993 (get_asm_expr_operands): Move before first invocation.
12994 (get_indirect_ref_operands): Likewise.
12995 (get_tmr_operands): Likewise.
12996 (get_call_expr_operands): Likewise.
12997 (append_def): Likewise.
12998 (append_use): Likewise.
12999 (append_v_may_def): Likewise.
13000 (append_v_must_def): Likewise.
13001 (add_call_clobber_ops): Likewise.
13002 (add_call_read_ops): Likewise.
13003 (add_stmt_operand): Likewise.
13004 (add_virtual_operand): Likewise.
13005 (build_ssa_operands): Likewise.
13007 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13009 PR middle-end/26022
13011 PR middle-end/24437
13012 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13013 with a call expr to ...
13014 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13016 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13018 * tree-vrp.c (extract_range_from_assert): Remove special
13019 handling for types with super-types.
13021 2006-03-01 Ben Elliston <bje@au.ibm.com>
13023 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13024 and powerpc64-*-linux* configurations.
13025 * config/t-dfprules: New file.
13027 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13028 Compile dfp-bit.c from the source directory using -DWIDTH and
13029 $DFP_CFLAGS to control the compilation of that file, rather than
13030 generating width-specific versions in the build directory.
13031 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13032 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13034 2006-02-28 Zack Weinberg <zackw@panix.com>
13036 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13039 2006-02-28 Eric Christopher <echristo@apple.com>
13041 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13042 Set up IN_LIBGCC definition of TARGET_64BIT.
13043 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13045 2006-02-28 Roger Sayle <roger@eyesopen.com>
13047 PR middle-end/14752
13048 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13049 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13050 cases via the construction of "expr != 0".
13052 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13054 * alias.c (alias_invariant, alias_invariant_size): Remove.
13055 (record_base_value): Remove.
13056 (memrefs_conflict_p): Don't look at alias_invariant.
13057 (end_alias_analysis): Don't free it.
13058 * alias.h (record_base_value): Remove prototype.
13060 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13061 Adam Nemet <anemet@caviumnetworks.com>
13063 * rtl.h (truncated_to_mode): Declare it.
13064 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13065 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13066 (RTL_HOOKS_INITIALIZER): Include it.
13067 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13068 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13069 reg_truncated_to_mode.
13070 * rtlanal.c (truncated_to_mode): Define it.
13071 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13073 2006-02-28 Jeff Law <law@redhat.com>
13075 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13076 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13077 the range allowed by TYPE_PRECISION.
13079 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13081 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13083 PR tree-optimization/26419
13084 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13087 2006-02-27 Zack Weinberg <zackw@panix.com>
13089 * doc/md.texi: Fix typo in previous change.
13091 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13095 2006-02-27 Zack Weinberg <zackw@panix.com>
13097 * rtl.def (define_constraint, define_register_constraint)
13098 (define_memory_constraint, define_address_constraint): New MD forms.
13099 * gensupport.c (process_rtx): Put define_constraint etc on the
13101 * genpreds.c (process_define_predicate): Adjust comment. Validate
13102 the name, and call validate_exp to validate the expression.
13103 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13104 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13105 all callers changed.
13106 (validate_exp, needs_variable, struct constraint_data)
13107 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13108 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13109 (const_dbl_constraints, constraint_max_namelen)
13110 (have_register_constraints, have_memory_constraints)
13111 (have_address_constraints, have_address_constraints)
13112 (have_extra_constraints, have_const_int_constraints)
13113 (have_const_dbl_constraints, mangle, add_constraint)
13114 (process_define_constraint, process_define_register_constraint)
13115 (write_enum_constraint_num, write_lookup_constraint)
13116 (write_insn_constraint_len, write_regclass_for_constraint)
13117 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13118 (write_insn_extra_memory_constraint)
13119 (write_insn_extra_address_constraint)
13120 (write_satisfies_constraint_fns): New.
13121 (write_tm_preds_h): If we have new-style constraint definitions,
13122 prototype the functions generated from them, and define the
13123 old constraint interface (still used by generic code) in terms of
13125 (write_insn_preds_c): If we have new-style constraint definitions,
13126 generate all relevant functions from those definitions.
13127 (main): Handle define_constraint etc.
13128 * genoutput.c (struct constraint_data, indep_constraints)
13129 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13130 (mdep_constraint_len): New data structures and functions, defined
13131 #ifdef USE_MD_CONSTRAINTS.
13132 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13133 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13134 use new logic to validate operand constraints against constraint
13136 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13138 * defaults.h: If none of the old-style constraint macros are
13139 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13140 old-style macros; and poison REG_CLASS_FROM_LETTER,
13141 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13143 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13144 * doc/md.texi: Document new constraint-definition mechanism and the
13145 C interface it provides. Remove references to old mechanism
13146 elsewhere in the document.
13147 (Machine Constraints): Use pathnames relative to gcc directory,
13148 i.e. config/ARCH/FILE. Change i386 section to refer to
13149 config/i386/predicates.md; update that section to match docstrings.
13150 * doc/tm.texi: Move all documentation of the old constraint-
13151 definition macros to their own section, clearly mark as obsolete.
13153 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13154 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13156 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13157 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13158 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13159 constraint strings.
13160 (splits and peepholes): Use satisfies_constraint_*.
13161 * config/i386/i386.c (memory_address_length)
13162 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13164 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13166 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13167 scalar operation to be put back into the loop.
13169 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13172 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13173 (extract_cie_info): Handle S flag in augmentation string.
13174 (execute_cfa_program): If context->signal_frame, execute also
13175 fs->pc == context->ra instructions.
13176 (uw_frame_state_for): If context->signal_frame, don't subtract one
13177 from context->ra to find FDE.
13178 (uw_update_context_1): Set context->signal_frame to
13180 (_Unwind_GetIPInfo): New function.
13181 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13182 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13184 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13185 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13186 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13187 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13188 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13189 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13190 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13191 x86_64_fallback_frame_state): Set fs->signal_frame.
13192 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13193 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13194 (frob_update_context): Likewise. Workaround missing S flag in
13195 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13196 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13197 Remove the psw_addr + 1 hack.
13199 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13201 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13202 with aggregates here.
13203 (find_func_aliases): Remove code for &<aggregate> from here.
13205 2006-02-26 Roger Sayle <roger@eyesopen.com>
13207 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13208 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13209 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13210 as (X & C) ne/eq 0.
13212 2006-02-26 Roger Sayle <roger@eyesopen.com>
13214 PR middle-end/19983
13215 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13217 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13219 * opts.c (decode_options): Do not handle flag_strength_reduce.
13220 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13221 and OPT_fstrength_reduce.
13222 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13223 flag_prefetch_loop_arrays for being nonzero.
13224 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13226 (fprefetch-loop-arrays-rtl): Removed.
13227 (flag_prefetch_loop_arrays): Do not specify the value.
13229 * doc/passes.texi: Update documentation of loop optimizer
13231 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13232 -frerun-loop-opt): Remove.
13234 2006-02-26 Richard Guenther <rguenther@suse.de>
13236 PR tree-optimization/26421
13237 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13238 in function calls that are ADDR_EXPRs as using the whole structure.
13240 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13242 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13243 * tree-pass.h (pass_loop_optimize): Remove.
13244 * passes.c (pass_loop_optimize): Never run it.
13245 * toplev.c (backend_init): Don't call init_loop.
13246 * opts.c (flag_loop_optimize_set): Remove.
13247 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13248 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13249 the old RTL loop optimizer when profiling enabled.
13250 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13251 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13252 pre-headers for the sake of the old RTL loop optimizer.
13253 * Makefile.in: Remove all references to loop.o.
13255 * doc/invoke.texi: Remove all references to -floop-optimize
13256 and -frerun-loop-opt.
13258 2006-02-26 Zack Weinberg <zackw@panix.com>
13260 * doc/md.texi (Machine Constraints): Refer to all files with paths
13261 relative to gcc directory (i.e. config/CPU/file). Add missing
13262 @table @code ... @end table to M32C subsection.
13264 2006-02-26 Roger Sayle <roger@eyesopen.com>
13266 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13268 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13270 2006-02-26 Roger Sayle <roger@eyesopen.com>
13271 James A. Morrison <phython@gcc.gnu.org>
13273 PR middle-end/21137
13274 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13275 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13276 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13277 signedness of the shift operation.
13279 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13281 PR tree-optimization/26359
13282 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13284 2006-02-25 Roger Sayle <roger@eyesopen.com>
13286 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13287 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13288 as X == 0, and some symmetry related transformations.
13289 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13291 2006-02-25 Roger Sayle <roger@eyesopen.com>
13293 PR middle-end/23673
13294 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13295 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13296 symmetry related transformations. Fold (X^C1) == C2 as
13299 2006-02-25 Juergen Weigert <jw@suse.de>
13300 Richard Guenther <rguenther@suse.de>
13302 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13304 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13306 * combine.c (gen_lowpart_or_truncate): Call
13307 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13309 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13311 * doc/invoke.texi: Move -fopenmp description to "Options for
13313 Remove reference to -lgomp.
13315 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13317 * doc/install.texi: Require GNU tar version 1.14.
13319 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13321 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13322 * doc/invoke.texi (C++ Dialect Options): Document
13323 -fno-use-cxa-get-exception-ptr.
13324 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13325 * configure: Regenerate.
13326 * c.opt (fuse-cxa-get-exception-ptr): New.
13327 * c-opts.c (c_common_handle_option): Handle
13328 OPT_fuse_cxa_get_exception_ptr.
13329 * c-common.c (flag_use_cxa_atexit): Update documentation.
13330 (flag_use_cxa_get_exception_ptr): New.
13331 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13332 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13334 (C_COMMON_OVERRIDE_OPTIONS): New.
13336 2006-02-24 Roger Sayle <roger@eyesopen.com>
13338 PR middle-end/24952
13339 * combine.c (try_combine): Explicitly check whether GET_CODE is
13340 a SET or a CLOBBER, instead on checking that it isn't a USE.
13342 2006-02-24 Roger Sayle <roger@eyesopen.com>
13344 * fold-const.c (fold_comparison): New subroutine of fold_binary
13345 containing transformations common to both the equality and
13346 ordering relational operators, factored out of fold_binary.
13347 (fold_binary): Separate out the equality operators (EQ_EXPR
13348 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13349 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13350 transformations common to both.
13351 (fold_div_compare): Fix latent bugs in the previously unreachable
13352 LT_EXPR and GE_EXPR cases.
13354 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13356 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13357 decl libname for clog to __clog on AIX.
13359 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13361 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13364 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13365 output traceback table for thunks. Localise rs6000_stack_info call.
13367 2006-02-23 Roger Sayle <roger@eyesopen.com>
13368 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13370 * gthr-posix.h (__gthrw): Fix typo in comment.
13372 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13374 * doc/cpp.texi (Character sets): Document that we do support
13375 input files to be in any character set.
13377 2006-02-23 Jeff Law <law@redhat.com>
13379 * tree.h (PHI_ARG_NONZERO): Remove.
13380 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13381 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13382 node to the new node.
13384 PR tree-optimization/26425
13385 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13386 min/max, then assume its varying.
13388 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13390 PR rtl-optimization/26316
13391 * rtlanal.c (enum may_trap_p_flags): New.
13392 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13393 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13394 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13395 (may_trap_after_code_motion_p): New function.
13396 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13397 (find_invariant_insn): Use may_trap_after_code_motion_p.
13398 * rtl.h (may_trap_after_code_motion_p): Declare.
13400 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13402 * emit-rtl.c (immed_double_const): Cleanup.
13404 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13406 Fix PR tree-optimization/26376
13407 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13410 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13412 PR middle-end/26412
13413 * gimplify.c (omp_add_variable): Guard variable size decl test with
13414 DECL_SIZE (decl) check.
13416 2006-02-23 Richard Guenther <rguenther@suse.de>
13418 PR middle-end/26439
13419 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13420 like aggregate types.
13422 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13424 * configure.ac: Add --with{,out}-long-double-128 configure option.
13425 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13426 * configure: Rebuilt.
13427 * config.in: Rebuilt.
13428 * doc/install.texi (Options specification): Document
13429 --with-long-double-128.
13431 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13432 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13433 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13434 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13436 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13438 * config/s390/s390.c (override_options): Handle
13439 TARGET_DEFAULT_LONG_DOUBLE_128.
13441 * config/alpha/alpha.c (override_options): Handle
13442 TARGET_DEFAULT_LONG_DOUBLE_128.
13444 * config/sparc/sparc.c (sparc_override_options): Handle
13445 TARGET_DEFAULT_LONG_DOUBLE_128.
13447 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13449 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13450 (real-install-headers-tar, real-install-headers-cpio)
13451 (real-install-headers-cp): New targets.
13453 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13455 * tree.h (variable_section): Delete.
13456 * varasm.c (variable_section): Delete.
13458 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13460 * install.texi: Add notes on install.texi2html.
13461 (Building in parallel): Do not use footnotes.
13463 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13466 * doc/install.texi (Configuration): Document --disable-libgomp.
13468 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13470 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13472 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13474 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13475 (vec_extractv2df_0_sse): New.
13477 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13479 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13480 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13481 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13482 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13483 to the result of the expression.
13484 (def_cfa_1): Adjust.
13485 (frame_pointer_cfa_offset): Rename to...
13486 (frame_pointer_fb_offset): ... this. Adjust all uses.
13487 (convert_cfa_to_loc_list): Rename to...
13488 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13489 Pass it on to build_cfa_loc.
13490 (compute_frame_pointer_to_cfa_displacement): Rename to...
13491 (compute_frame_pointer_to_fb_displacement): ... this. New
13492 offset parameter. Use it in computation.
13493 (gen_subprogram_die): Compute cfa_fb_offset with the new
13494 macro, and use it to compute the fb loc list and the
13497 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13499 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13500 replaced with register_operand.
13501 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13502 non-DREG is expensive.
13503 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13504 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13507 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13509 * doc/install.texi2html: Use set -e.
13511 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13513 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13514 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13515 * doc/invoke.texi (-fshared-data): Delete.
13516 * common.opt (fshared-data): Delete.
13517 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13518 (assemble_static_space): Remove #if 0 code.
13519 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13520 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13521 * config/cris/cris.h: Remove FIXME.
13523 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13525 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13528 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13530 PR middle-end/26379
13531 * combine.c (simplify_shift_const_1): Disable nested shifts
13532 optimization for vector shifts.
13534 2006-02-20 Roger Sayle <roger@eyesopen.com>
13536 PR tree-optimization/26361
13537 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13538 of unsigned integer types.
13540 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13542 * tree-chrec.c (eq_evolutions_p): New.
13543 * tree-chrec.h (eq_evolutions_p): Declared.
13544 * tree-data-ref.c: Fix formatting.
13545 (datadep_stats, dependence_stats): New.
13547 (print_direction_vector): New.
13548 (dump_data_dependence_relation): Use print_direction_vector.
13549 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13550 (compute_subscript_distance): Static.
13551 (initialize_data_dependence_relation): Static. Get the number
13552 of loops surrounding the references from the callers, and initialize
13553 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13554 base_object_differ_p analyzers.
13555 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13556 compute_overlap_steps_for_affine_1_2,
13557 analyze_subscript_affine_affine): Count the classified dependences.
13558 Print a message when a test failed.
13559 (can_use_analyze_subscript_affine_affine): New.
13560 (analyze_siv_subscript): Compute the data dependences on symbolic
13561 scevs that verify can_use_analyze_subscript_affine_affine.
13562 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13563 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13564 Handle symbolic scevs.
13565 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13567 (subscript_dependence_tester): Moved...
13568 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13569 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13570 DDR_SIZE_VECT instead of getting it in parameter.
13571 (subscript_dependence_tester): ... here. Take as a parameter
13572 loop_nest_depth. Call build_classic_dist_vector and
13573 build_classic_dir_vector.
13574 (compute_affine_dependence): Update subscript_dependence_tester
13575 parameters. Update datadep_stats counters. Call
13576 compute_subscript_distance.
13577 (compute_self_dependence): Save the dist and dir vectors. Call
13578 compute_subscript_distance.
13579 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13580 (compute_all_dependences): Reorder parameters as they were before
13581 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13582 compute_subscript_distance. Update the use of
13583 compute_affine_dependence and initialize_data_dependence_relation.
13584 (find_data_references_in_loop): Handle COMPONENT_REF.
13585 (compute_data_dependences_for_loop): Initialize dependence_stats.
13586 Don't call build_classic_dist_vector and build_classic_dir_vector.
13587 Update the parameters of initialize_data_dependence_relation and
13588 compute_all_dependences. Print the statistics from datadep_stats.
13589 (analyze_all_data_dependences): Static. Not used until the pass for
13590 checking the data dependences is contributed.
13591 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13592 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13593 (initialize_data_dependence_relation, compute_affine_dependence,
13594 analyze_all_data_dependences, compute_subscript_distance): Removed.
13595 (print_direction_vector): New.
13596 * lambda.h (gcd): ... here.
13597 (lambda_vector_gcd): Moved here from gcd_vector.
13598 * lambda-code.c (gcd, gcd_vector): Removed.
13599 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13600 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13602 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13604 * ipa-type-escape.c: Tidy some comments and white space.
13605 * tree-ssa-operands.c: Likewise.
13607 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13610 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13611 (dump_decl_name): Do not walk the decl tree chains.
13612 * tree-pass.h (TDF_CHAIN): Remove.
13614 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13616 * Makefile.in (C): Remove
13618 (.PHONY): Remove C and PROTO
13620 2006-02-20 Roger Sayle <roger@eyesopen.com>
13622 PR middle-end/26236
13623 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13624 deprecated CHAR_TYPE tree code.
13626 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13628 * configure.ac (target_list): Add install-info, dvi, html.
13629 * configure: Regenerate.
13631 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13632 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13633 treelang/Make-lang.in: Do not use double-colon rules.
13635 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13637 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13638 (TMT_USED_ALONE): New macro.
13639 * tree-pass.h (PROP_tmt_usage): New property.
13640 (TODO_update_tmt_usage): New todo.
13641 * tree-ssa-alias.c (updating_used_alone): New variable.
13642 (recalculate_used_alone): New function.
13643 (compute_may_aliases): Set updating_used_alone, call
13644 recalculate_used_alone.
13645 * tree-sra.c (pass_sra): Note that this pass destroys
13646 PROP_tmt_usage, and add TODO_update_tmt_usage.
13647 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13648 * tree-flow.h (updating_used_alone): Prototype.
13649 (recalculate_used_alone): Ditto.
13650 * passes.c (execute_todo): Add code to set updating_used_alone,
13651 and call recalculate.
13652 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13653 for clobber if used alone, and add assert to verify used_alone
13656 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13658 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13659 for non tls symbols added.
13660 (legitimize_address): Do nothing for PLUS expressions if one of the
13661 addends is a tls symbol reference.
13663 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13667 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13669 * Makefile.in (BOOTSTRAPPING): New.
13670 (quickstrap): New definition if BOOTSTRAPPING=yes.
13672 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13673 * configure.ac: Substitute all_selected_languages with the languages
13674 that were configured. For all the other variables except
13675 lang_specs_files, include all the languages in the tree.
13676 * configure: Regenerate.
13678 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13679 if there is one. Run the commands to run fixincludes in the same
13682 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13683 * doc/install.texi: Document exact conventions for searching target tools.
13684 Document --with-build-time-tools. Document toplevel bootstrap. Document
13685 something more about building an Ada cross-compiler. Don't list GNU Make
13686 requirements which affect all platforms.
13688 2006-02-19 Roger Sayle <roger@eyesopen.com>
13690 PR middle-end/19543
13691 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13692 only equivalent if the have both the same mode and precision.
13694 2006-02-20 Ben Elliston <bje@au.ibm.com>
13696 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13698 2006-02-19 Roger Sayle <roger@eyesopen.com>
13699 Steven Bosscher <stevenb.gcc@gmail.com>
13701 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13702 constant pool references to identify stack mode constants.
13703 * rtlanal.c (constant_pool_constant_p): New predicate to check
13704 whether operand is a floating point constant in the pool.
13705 * rtl.h (constant_pool_constant_p): Prototype here.
13706 * loop.c (scan_loop): Avoid hoisting constants from the constant
13707 pool on STACK_REGS targets.
13708 (load_mems): Likewise.
13709 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13710 loads into x87 registers expensive in terms of register pressure.
13712 2006-02-19 Roger Sayle <roger@eyesopen.com>
13714 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13715 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13717 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13719 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13720 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13722 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13724 * doc/invoke.texi: Document -fipa-pta.
13725 * common.opt: Add ipa-pta option.
13726 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13727 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13728 (do_ds_constraint): Ditto.
13729 (get_constraint_for): Only add to referenced_vars if
13730 referenced_vars exists.
13731 (insert_into_field_list): Rewrite to do this unsorted.
13732 (insert_into_field_list_sorted): Rename old insert_into_field_list
13734 (create_function_info_for): Use insert_into_field_list_sorted.
13735 (create_variable_info_for): Rewrite so it uses unsorted version,
13736 since the field list is sorted.
13737 (intra_create_variable_infos): Only add to referenced_vars if
13738 referenced_vars exists.
13739 (ipa_pta_execute): Init heapvars, and delete when done.
13740 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13742 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13744 * doc/install.texi: Add missing `@samp'.
13746 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13748 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13751 2006-02-18 Mark Wielaard <mark@klomp.org>
13753 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13754 who added new 4.1 features, bug fixes and integration support.
13756 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13759 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13760 MEM for ABI_V4 pic.
13762 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13764 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13765 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13766 (copy_insn_1): Likewise. Don't copy each field individually.
13768 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13770 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13771 * rtl.c (rtx_size): Rename variable to...
13772 (rtx_code_size): ...this.
13773 (rtx_size): New function.
13774 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13775 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13777 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13778 * rtl.h (rtx_code_size): New variable.
13779 (rtx_size): Change from a variable to a function.
13780 (RTX_SIZE): Rename to...
13781 (RTX_CODE_SIZE): ...this.
13784 PR tree-optimization/17106
13785 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13786 (Anchored Addresses): New section.
13787 * doc/invoke.texi (-fsection-anchors): Document.
13788 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13789 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13790 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13791 * hooks.c (hook_bool_mode_rtx_false): New function.
13792 * hooks.h (hook_bool_mode_rtx_false): Declare.
13793 * gengtype.c (create_optional_field): New function.
13794 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13795 SYMBOL_REF_IN_BLOCK_P is true.
13796 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13797 (min_anchor_offset, max_anchor_offset): Likewise.
13798 (use_anchors_for_symbol_p): New hook.
13799 * toplev.c (compile_file): Call output_object_blocks.
13800 (target_supports_section_anchors_p): New function.
13801 (process_options): Check that -fsection-anchors is only used on
13802 targets that support it and when -funit-at-a-time is in effect.
13803 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13804 if the decl doesn't have one.
13805 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13806 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13807 of force_const_mem through use_anchored_address.
13808 (expand_expr_constant): New function.
13809 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13810 calling expand_expr for INDIRECT_REF.
13811 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13812 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13813 * expr.h (use_anchored_address): Declare.
13814 * loop-unroll.c: Don't declare rtx vectors here.
13815 * explow.c: Include output.h.
13816 (validize_mem): Call use_anchored_address.
13817 (use_anchored_address): New function.
13818 * common.opt (-fsection-anchors): New switch.
13819 * varasm.c (object_block_htab, anchor_labelno): New variables.
13820 (hash_section, object_block_entry_eq, object_block_entry_hash)
13821 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13822 (use_blocks_for_decl_p, change_symbol_section): New functions.
13823 (get_variable_section): New function, split out from assemble_variable.
13824 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13825 use_blocks_for_decl_p say so. Use change_symbol_section if the
13826 symbol has already been created.
13827 (assemble_variable_contents): New function, split out from...
13828 (assemble_variable): ...here. Don't output any code for
13829 block symbols; just pass them to place_block_symbol.
13830 Use get_variable_section and assemble_variable_contents.
13831 (get_constant_alignment, get_constant_section, get_constant_size): New
13832 functions, split from output_constant_def_contents.
13833 (build_constant_desc): Create a block symbol if use_object_blocks_p
13834 says so. Or into SYMBOL_REF_FLAGS.
13835 (assemble_constant_contents): New function, split from...
13836 (output_constant_def_contents): ...here. Don't output any code
13837 for block symbols; just pass them to place_section_symbol.
13838 Use get_constant_section and get_constant_alignment.
13839 (force_const_mem): Create a block symbol if use_object_blocks_p and
13840 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13841 (output_constant_pool_1): Add an explicit alignment argument.
13842 Don't switch sections here.
13843 (output_constant_pool): Adjust call to output_constant_pool_1.
13844 Switch sections here instead. Don't output anything for block symbols;
13845 just pass them to place_block_symbol.
13846 (init_varasm_once): Initialize object_block_htab.
13847 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13848 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13849 (place_block_symbol, get_section_anchor, output_object_block)
13850 (output_object_block_htab, output_object_blocks): New functions.
13851 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13852 (TARGET_ASM_OUT): Include it.
13853 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13854 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13855 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13856 (TARGET_INITIALIZER): Include them.
13857 * rtl.c (rtl_check_failed_block_symbol): New function.
13858 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13859 (block_symbol, object_block): New structures.
13860 (rtx_def): Add a block_symbol field to the union.
13861 (BLOCK_SYMBOL_CHECK): New macro.
13862 (rtl_check_failed_block_symbol): Declare.
13863 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13864 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13865 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13866 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13867 * output.h (output_section_symbols): Declare.
13868 (object_block): Name structure.
13869 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13870 (default_use_anchors_for_symbol_p): Declare.
13871 * Makefile.in (RTL_BASE_H): Add vec.h.
13872 (explow.o): Depend on output.h.
13873 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13874 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13875 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13876 (rs6000_use_blocks_for_constant_p): New function.
13878 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13880 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13882 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13885 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13888 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13890 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13894 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13896 PR middle-end/26334
13897 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13898 instead of DECL_REGISTER.
13900 2006-02-18 Olivier Hainque <hainque@adacore.com>
13903 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13905 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13908 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13909 * opth-gen.awk: Handle Var and InverseMask together.
13910 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13911 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13912 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13913 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13915 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13916 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13917 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13918 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13919 LINUX_DYNAMIC_LINKER): Define.
13920 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13921 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13923 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13924 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13925 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13926 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13927 (TARGET_C99_FUNCTIONS): Don't define.
13928 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13929 GLIBC_DYNAMIC_LINKER.
13930 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13931 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13932 GLIBC_DYNAMIC_LINKER64): Define.
13933 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13934 LINUX_DYNAMIC_LINKER64.
13935 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13936 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13937 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13938 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13939 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13940 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13941 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13942 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13943 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13944 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13945 and LINUX_DYNAMIC_LINKER32.
13946 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13947 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13948 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13949 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13950 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13952 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13953 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13954 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13955 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13956 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13957 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13958 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13959 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13960 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13961 LINUX_DYNAMIC_LINKER): Define.
13962 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13963 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13964 GLIBC_DYNAMIC_LINKER64): Define.
13965 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13966 LINUX_DYNAMIC_LINKER64.
13967 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13968 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13969 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13970 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13971 LINUX_DYNAMIC_LINKER): Define.
13972 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13973 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13974 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13975 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13976 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13977 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13978 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13979 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13980 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13981 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13982 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13983 * doc/invoke.texi (-muclibc): Remove caveat about supported
13986 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13988 * doc/cpp.texi (__TIMESTAMP__): Document.
13990 2006-02-17 Roger Sayle <roger@eyesopen.com>
13992 PR middle-end/25600
13993 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13994 C is one less than the width of X (and related transformations).
13995 * simplify-rtx.c (simplify_unary_operation_1): Transform
13996 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13997 depending on STORE_FLAG_VALUE, were C is one less then the
14000 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14002 Fix PR tree-optimization/26341
14003 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14004 about NAME_MEMORY_TAG's.
14006 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14009 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14010 with hardware float support, and software float support. Add fcpy
14011 alternative to hardware patterns. Add alternatives to copy between
14012 general and floating-point registers to the 32-bit pattern.
14013 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14014 secondary reload to load a QI or HI mode constant into a floating
14016 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14017 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14019 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14022 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14024 (load_macho_picbase_di): Likewise.
14026 2006-02-16 Jeff Law <law@redhat.com>
14028 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14029 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14030 (ssa_name_nonzero_p): Likewise.
14031 (get_value_range): Return NULL if VRP is not running.
14032 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14033 VRP routines do not discover a range.
14034 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14035 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14036 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14037 (tree_expr_nonnegative_p): Similarly.
14038 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14039 (restore_nonzero_vars_to_original_value): Remove.
14040 (unsafe_associative_fp_binop): Remove.
14041 (tree_ssa_dominator_optimize): Remove initialization and
14042 finalization of nonzero_vars and nonzero_vars_stack.
14043 (dom_opt_initialize_block): No longer push marker on
14044 nonzero_vars_stack.
14045 (dom_opt_finalize_block): No longer call
14046 restore_nonzero_vars_to_original_value.
14047 (record_equivalences_from_phis): No longer look for
14048 nonzero PHI arguments.
14049 (cprop_into_successor_phis): No longer propagate nonzero
14050 property into PHI arguments. Lose unused argument. Caller
14052 (record_equivalences_from_stmt): No longer record nonzero
14053 values for SSA_NAMEs.
14054 (lookup_avail_expr): No longer use nonzero_vars.
14056 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14057 for sizetype when sizetype is unsigned.
14059 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14061 PR rtl-optimization/25603
14062 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14063 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14064 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14065 with new meaning of SETS.
14067 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14072 * config/linux.opt: New file.
14073 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14074 LINUX_DYNAMIC_LINKER): Define.
14075 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14076 * config.gcc (*-*-linux*): Define extra_options.
14077 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14078 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14079 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14080 GLIBC_DYNAMIC_LINKER.
14081 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14082 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14083 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14084 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14085 * doc/invoke.texi (GNU/Linux Options): New section.
14087 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14089 * config/sparc/sparc.md (setjmp): Rewrite.
14090 (setjmp_32): Delete.
14091 (setjmp_64): Likewise.
14093 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14095 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14098 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14100 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14103 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14105 PR rtl-optimization/26296
14106 * Makefile.in (loop-invariant.c): Add except.h dependency.
14107 * loop-invariant.c: Include except.h.
14108 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14110 2005-02-16 Paul Brook <paul@codesourcery.com>
14112 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14115 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14117 PR rtl-optimization/25636
14118 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14119 when deciding whether an insn is an initializing insn.
14121 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14123 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14124 (tree_code_size): Ditto.
14125 * tree.h (struct tree_memory_tag): Remove parent_var.
14126 (struct tree_struct_field_tag): New.
14129 (union tree_node): Add sft member.
14130 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14132 (create_sft): Add size and offset argument, set SFT_OFFSET and
14134 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14135 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14136 * tree-flow-inline.h (get_subvar_at): Update for
14137 SFT_OFFSET/SFT_SIZE.
14138 (var_can_have_subvars): Ditto.
14139 (overlap_subvar): Ditto.
14140 * print-tree.c (print_node): Print out interesting things for
14142 * tree-flow.h (struct subvar): Remove offset and size members.
14143 * tree-ssa-operands.c (get_expr_operands): Update for
14144 get_indirect_ref_operands changes.
14145 (get_indirect_ref_operands): Call add_virtual_operand instead of
14146 add_stmt_operand. Only recurse on base var if requested.
14147 (access_can_touch_variable): New function.
14148 (add_stmt_operand): Split virtual operand handling into ...
14149 (add_virtual_operand): Here. Add offset, size, and for_clobber
14150 arguments. Prune alias sets.
14151 (add_call_clobber_ops): Call add_virtual_operand.
14153 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14155 PR middle-end/26300
14156 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14158 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14159 than TREE_CODE as index into omp_clause_num_ops array.
14161 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14163 PR rtl-optimization/26184
14164 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14166 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14167 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14168 must_precede, must_follow and tobe_scheduled.
14171 * opts.c (common_handle_option): Free new_option pointer.
14172 * df-core.c (df_analyze): Free postorder pointer.
14174 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14176 * Makefile.in: Fix the examples about the use of stamps
14178 2006-02-15 Michael Matz <matz@suse.de>
14180 PR middle-end/22275
14182 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14183 influenced by maximum_field_alignment or DECL_PACKED.
14184 (update_alignment_for_field): Ditto.
14185 (place_field): Ditto.
14186 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14189 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14191 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14192 (debug_flow_info): Pass it.
14193 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14194 * bb-reorder.c (reorder_basic_blocks): Likewise.
14195 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14196 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14197 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14198 * gcse.c (gcse_main, bypass_jumps): Likewise.
14199 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14200 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14201 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14202 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14203 * rtl.h (dump_flow_info): Adjust prototype.
14204 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14205 * var-tracking.c (variable_tracking_main): Likewise.
14206 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14207 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14210 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14212 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14215 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14217 PR tree-optimization/26209
14218 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14219 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14221 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14223 2006-02-14 Roger Sayle <roger@eyesopen.com>
14225 PR middle-end/23670
14226 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14227 (X,Y) and the corresponding symmetry related transformations.
14228 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14229 (X,Y) and its symmetry related transformations.
14231 2006-02-14 Roger Sayle <roger@eyesopen.com>
14233 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14236 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14238 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14240 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14243 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14244 support COMDAT group.
14245 * configure: Regenerate.
14247 2006-02-14 Roger Sayle <roger@eyesopen.com>
14249 PR middle-end/26279
14250 PR middle-end/26280
14251 PR middle-end/26283
14252 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14254 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14256 Fix PR tree-optimization/26260
14258 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14260 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14261 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14262 * tree-ssa-structalias.c (create_variable_info_for): Use
14263 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14265 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14267 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14269 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14270 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14271 of the ending condition.
14272 * tree-ssa-loop-manip.c: Include params.h.
14273 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14274 tree_unroll_loop): New functions.
14275 * tree-pass.h (pass_loop_prefetch): Declare.
14276 * loop.c (rest_of_handle_loop_optimize): Test for
14277 -fprefetch-loop-arrays-rtl.
14278 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14279 * timevar.def (TV_TREE_PREFETCH): New timevar.
14280 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14281 pass_loop_prefetch): New.
14282 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14283 (cleanup_tree_cfg_loop): Call scev_reset.
14284 * common.opt (fprefetch-loop-arrays-rtl): Add.
14285 * tree-ssa-loop-prefetch.c: New file.
14286 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14287 (new_temp_expr_table): Initialize expr_vars.
14288 (free_temp_expr_table): Cleanup expr_vars.
14289 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14290 expressions from being merged into one.
14291 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14292 (struct tree_niter_desc): Add control, bound and cmp fields.
14293 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14295 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14296 (tree-cfgcleanup.o): Add SCEV_H dependency.
14297 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14298 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14300 2006-02-14 Richard Guenther <rguenther@suse.de>
14302 PR tree-optimization/26258
14303 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14304 in PHI argument processing.
14306 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14308 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14309 new expression in the requested machine mode.
14311 2006-02-13 Roger Sayle <roger@eyesopen.com>
14313 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14314 directly, instead let do_compare_rtx_and_jump handle this for us.
14315 * expr.c (expand_expr_real_1): Likewise.
14316 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14317 before do_jump_by_parts_greater.
14318 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14319 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14321 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14323 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14325 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14327 PR rtl-optimization/26235
14328 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14329 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14332 2006-02-13 Jeff Law <law@redhat.com>
14334 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14337 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14339 PR middle-end/26092
14340 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14341 twice if decl is a builtin. When trying again, call get_callee_fndecl
14342 first to verify it is still a builtin.
14344 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14346 * dwarf2out.c (base_type_die): Don't add AT_name here.
14347 (subrange_type_die): Don't add AT_name here.
14348 (modified_type_die): Rearrange code flow. Do add AT_name here.
14350 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14352 PR rtl-optimization/26247
14353 PR rtl-optimization/26248
14354 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14356 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14358 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14359 * config/fixtfdi.c: Likewise.
14360 * config/fixunstfdi.c: Likewise.
14361 * config/floatditf.c: Likewise.
14363 2006-02-13 Roger Sayle <roger@eyesopen.com>
14365 PR middle-end/24427
14366 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14367 into (X,C2) if C1 is a subset of the bits of C2. Transform
14368 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14370 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14372 2006-02-13 Josh Conner <jconner@apple.com>
14375 * varasm.c (function_section): Check for section name before
14376 calling select_section on targets that define
14377 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14378 unlikely_text_section instead of hot_function_section if
14379 first_function_block_is_cold.
14381 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14383 PR middle-end/25335
14384 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14386 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14388 PR rtl-optimization/26222
14389 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14390 after tree->rtl expansion.
14391 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14392 before passing it to emit_move_insn.
14394 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14396 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14398 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14399 Clarify documentation.
14400 * c-common.h (warn_write_strings): Remove.
14401 * c-common.c (warn_write_strings): Likewise.
14402 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14405 2006-02-12 Roger Sayle <roger@eyesopen.com>
14407 PR middle-end/25724
14408 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14409 (do_jump_parts_zero_rtx): New function renamed from
14410 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14411 (do_jump_parts_equality_rtx): New function split out from
14412 do_jump_parts_equality. Old implementation renamed as above.
14413 Call do_jump_parts_zero_rtx if either operand is zero.
14414 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14415 do all of the heavy lifting.
14416 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14417 calling either do_jump_by_parts_greater_rtx or
14418 do_jump_by_parts_equality_rtx.
14419 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14420 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14421 moved to do_compare_rtx_and_jump, call it directly.
14422 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14423 mode argument. Call do_compare_rtx_and_jump.
14424 (emit_case_nodes): Update calls to do_jump_if_equal.
14426 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14428 PR rtl-optimization/26225
14429 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14431 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14433 PR rtl-optimization/26232
14434 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14436 2006-02-11 Jason Merrill <jason@redhat.com>
14439 * tree-inline.c (declare_return_variable): Just don't use the
14440 modify target if it's a gimple complex reg and the return slot
14443 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14445 * doc/contrib.texi: Update my entry.
14447 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14449 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14451 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14453 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14456 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14458 * doc/invoke.texi (-floop-optimize2): Removed.
14459 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14460 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14461 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14462 * common.opt (floop-optimize2): Removed.
14463 (fmove-loop-invariants): Enabled by default.
14465 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14467 * tree-if-conv.c (combine_blocks): Free the result of
14468 get_loop_exit_edges.
14470 2006-02-10 Jeff Law <law@redhat.com>
14472 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14474 PR tree-optimization/26213
14475 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14476 loop trying to follow SSA_NAME_VALUE chains.
14478 2006-02-10 Richard Guenther <rguenther@suse.de>
14480 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14481 deal with structures that end in implicitly variable sized arrays.
14483 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14485 PR rtl-optimization/24762
14486 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14489 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14491 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14492 (struct ivopts_data): Add regs_used field.
14493 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14494 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14495 instead of loop_data->regs_used;
14496 (free_loop_data): Do not free aux fields for loops.
14497 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14498 and tree_ssa_iv_optimize_finalize.
14500 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14502 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14504 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14507 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14508 computing the effective result type.
14510 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14512 PR inline-asm/16194
14513 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14514 (tree_overlaps_hard_reg_set): Declare.
14515 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14516 type and signature to match function type expected by walk_tree.
14517 (tree_overlaps_hard_reg_set): New function.
14518 (decl_conflicts_with_clobbers_p): Rename to:
14519 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14520 Use tree_overlaps_hard_reg_set. Changed caller.
14521 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14522 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14523 * cris.c (cris_md_asm_clobbers): Likewise.
14525 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14527 * reload1.c (emit_input_reload_insns): Delete code that tries to
14528 inherit using find_equiv_reg.
14530 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14532 * c-common.h (flag_const_strings): Don't declare.
14533 * c-common.c (flag_const_strings): Remove.
14534 * c.opt (fconst_strings): Remove.
14535 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14536 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14537 (c_common_init_options): Don't set flag_const_strings.
14538 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14540 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14542 * arm.md (tlobits_cbranch): New pattern.
14543 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14544 testing a single bit.
14546 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14549 * tree-ssa-pre.c (create_component_ref_by_pieces):
14550 Handle RETURN_DECL like VAR_DECL.
14552 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14554 PR middle-end/26134
14555 * fold-const.c (fold_indirect_ref_1): Fold
14556 "*(foo *)&complexfoo" to "__real__ complexfoo"
14557 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14559 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14561 * tree-flow-inline.h (var_can_have_subvars):
14562 Volatile variables should not have subvariables.
14564 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14567 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14568 multiplying unsigned values.
14571 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14573 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14575 2006-02-08 Jason Merrill <jason@redhat.com>
14578 * tree.def: Elaborate on difference from MODIFY_EXPR.
14579 * doc/c-tree.texi (INIT_EXPR): Likewise.
14580 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14581 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14582 (gimplify_target_expr): Likewise.
14583 (gimplify_cond_expr): Remove target handling.
14584 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14585 (gimplify_expr): Clobber it here.
14586 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14587 Do return slot optimization if we have an INIT_EXPR.
14590 * tree-inline.c (declare_return_variable): Also clear
14591 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14594 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14596 PR middle-end/22439
14597 * gimplify.c (gimplify_one_sizepos): Fix typo.
14599 2006-02-08 Jeff Law <law@redhat.com>
14601 PR tree-optimization/21417
14602 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14603 across a backedge if the control statement at the end of the
14604 block is data dependent on other statements in the same block.
14605 (record_temporary_equivalences_from_stmts): Remove over-conservative
14606 test for threading across backedges.
14608 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14609 control statement, handle all three special cases in the same
14610 manner as they all have the same desired solution. No longer
14611 special case edge flag updating when the post dominator is
14614 2006-02-08 Roger Sayle <roger@eyesopen.com>
14616 * tree.def (CHAR_TYPE): Remove.
14617 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14618 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14619 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14620 (gen_string_type_die): Delete unreachable function.
14622 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14623 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14624 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14625 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14626 * builtins.c (type_to_class): Likewise.
14627 * fold-const.c (fold_convert, build_range_check,
14628 merge_ranges): Likewise.
14629 * expr.c (count_type_elements): Likewise.
14630 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14631 * stor-layout.c (layout_type): Likewise.
14632 * ipa-type-escape.c (type_to_consider): Likewise.
14633 * gimplify.c (omp_firstprivatize_type_sizes,
14634 gimplify_type_sizes): Likewise.
14635 * explow.c (promote_mode): Likewise.
14636 * tree-sra.c (is_sra_scalar_type): Likewise.
14637 * varasm.c (output_constant): Likewise.
14638 * tree-inline.c (remap_type_1): Likewise.
14639 * convert.c (convert_to_pointer, convert_to_real,
14640 convert_to_integer, convert_to_complex): Likewise.
14642 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14644 * df-scan.c (df_def_record_1): A set destination may
14645 be a parallel regardless of mode.
14647 2006-02-08 Roger Sayle <roger@eyesopen.com>
14650 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14651 * config/mips/_tilib.c: Remove.
14652 * config/fixtfdi.c: New libgcc source file.
14653 * config/fixunstfdi.c: New source file.
14654 * config/floatditf.c: New source file.
14655 * config/floatunditf.c: New souce file.
14656 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14657 files above instead of config/mips/_tilib.c.
14658 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14660 2006-02-08 Jeff Law <law@redhat.com>
14662 PR tree-optimization/26169
14663 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14666 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14668 * df.h (DF_REG_SIZE): Return the length of the initialized
14671 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14673 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14674 __muldf3): Return a correctly signed zero.
14676 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14678 * passes.c (register_one_dump_file): Accept the current properties
14679 instead of pass number. Adjust call to dump_register. Remove
14681 (register_dump_files): Now a wrapper around...
14682 (register_dump_files_1): ... this one. Do not modify the pass
14684 (next_pass_1): Cosmetic fix.
14685 (execute_todo): Keep second parameter only. Use curr_properties
14686 instead of fetching it from the pass structure. Check and set
14688 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14689 instead of fetching it from the pass structure. Fix calls to
14690 execute_todo. Update curr_properties and initialize .vcg RTL dump
14691 after running the pass. Reset last_verified.
14692 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14694 (FIRST_AUTO_NUMBERED_DUMP): New.
14695 (dump_register): Remove "num" parameter, assign it within the
14697 (get_dump_file_name): Modify template for dumps.
14698 * tree-dump.h (dump_register): Adjust prototype.
14699 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14700 (PROP_trees): Add PROP_gimple_lomp.
14701 (TODO_set_props): New.
14702 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14703 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14704 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14706 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14708 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14709 (sparc64-*-linux*): Likewise.
14710 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14711 * config/sparc/t-linux: New file.
14712 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14713 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14714 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14715 -m32 -mlong-double-128.
14717 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14718 * config/alpha/t-linux: New file.
14719 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14721 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14722 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14723 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14724 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14725 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14726 (CPP_ARCH32_SPEC): Remove.
14728 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14730 PR tree-optimization/26145
14731 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14734 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14737 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14738 >= 240000 when generating code for SOM runtime.
14739 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14740 to $$dyncall when generating code for SOM runtime..
14742 2006-02-07 Dirk Mueller <dmueller@suse.com>
14745 * doc/invoke.texi (-Wsequence-point): Update documentation
14746 that -Wsequence-point is implemented for C++ as well.
14748 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14750 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14751 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14752 (LIB_SPEC): Likewise.
14753 * doc/invoke.texi (SPARC options): Document -pthread.
14755 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14757 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14760 2006-02-07 Roger Sayle <roger@eyesopen.com>
14762 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14763 Correct comment describing BOOLEAN_TYPE.
14765 2006-02-07 Dirk Mueller <dmueller@suse.com>
14767 * c.opt: C++ frontend supports -Wdiv-by-zero.
14768 * c-opts.c (c_common_handle_option): Remove dead case.
14770 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14772 * configure.ac (TLS assembler check): Do not enable TLS by
14773 default on SPARC/Solaris before version 10.
14774 * configure: Regenerate.
14776 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14778 * doc/invoke.texi (xl-compat): Document conversion and support
14781 2006-02-07 Jeff Law <law@redhat.com>
14783 * tree-vrp.c (find_conditional_asserts): Update comments.
14784 (simplify_stmt_for_jump_threading): New.
14785 (identify_jump_threads, finalize_jump_threads): New.
14786 (vrp_finalize): Call identify_jump_threads.
14787 (execute_vrp): Call finalize_jump_threads.
14788 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14789 (vrp_element, vrp_data, vrp_element_p): Remove.
14790 (vrp_hash_elt, vrp_variables_stack): Remove.
14791 (vrp_hash, vrp_eq, record_range): Remove.
14792 (simplify_cond_and_lookup_avail_expr): Remove.
14793 (extract_range_from_cond): Remove.
14794 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14795 (simplify_stmt_for_jump_threading): New.
14796 (dom_thread_across_edge): New wrapper.
14797 (tree_ssa_dominator_optimize): No longer initialize or
14798 finalize any of the VRP datastructures. Remove iteration
14799 step and simplify as a result of removal of iteration step.
14800 (pass_dominator): Perform a cfg cleanup after DOM.
14801 (dom_opt_finalize_block): Use the new common routines
14802 for threading jumps. Simplify stack management slightly.
14803 No longer need to unwind VRP state.
14804 (record_equivalences_from_incoming_edge): No longer record
14806 (eliminate_redundant_computations): No longer call
14807 simplify_cond_and_lookup_avail_expr.
14808 * tree-flow.h (potentially_threadable_block): Prototype.
14809 (thread_across_edge): Likewise.
14810 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14811 (tree-ssa-threadedge.o): Add dependencies.
14812 * tree-ssa-threadedge.c: New file.
14813 * passes.c (init_optimization_passes): Merge PHIs before
14814 calling VRP. Run VRP again late in the SSA optimization pipeline.
14816 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14818 * df-core.c (df_set_blocks): Do not dereference function pointers.
14819 (df_finish1): Likewise.
14820 (df_hybrid_search_forward): Likewise.
14821 (df_hybrid_search_backward): Likewise.
14822 (df_iterative_dataflow): Likewise.
14823 (df_analyze_problem): Likewise.
14824 (df_compact_blocks): Likewise.
14825 (df_dump): Likewise.
14826 * df-scan.c (df_rescan_blocks): Likewise.
14827 (df_record_entry_block_defs): Likewise.
14829 * genconditions.c (write_conditions): Guard the definition of
14830 'insn_conditions' with the check on GCC version.
14831 (write_writer): Guard the traversal 'insn_conditions' with
14832 the check on GCC version.
14834 2006-02-07 Richard Guenther <rguenther@suse.de>
14838 2006-01-30 Richard Guenther <rguenther@suse.de>
14840 * gimplify.c (gimplify_target_expr): Handle easy cases
14841 without creating a temporary.
14843 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14845 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14846 use of float in probability computations. Use edge probabilities
14847 in place of statically computed probabilities.
14848 (min_spec_prob): New static variable.
14849 (schedule_insns): Initialize it.
14850 (GET_SRC_PROB): Removed.
14851 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14853 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14856 * config/ia64/unwind-ia64.c: Revert last change.
14857 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14858 (INCOMING_FRAME_SP_OFFSET): Define.
14860 2006-02-06 Roger Sayle <roger@eyesopen.com>
14862 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14864 2006-02-07 Ben Elliston <bje@au.ibm.com>
14866 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14867 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14868 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14869 (ix86_return_in_memory): Handle TDmode.
14870 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14871 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14873 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14875 * reorg.c (dbr_schedule): Use dump_file instead of file.
14877 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14880 * config/ia64/predicates.md (extr_len_operand): New predicate.
14881 * config/ia64/ia64.md (extv): Tighten constraints.
14883 (*tbit_and_2): Ditto.
14884 (*tbit_and_3): Ditto.
14885 (*tbit_or_2): Ditto.
14886 (*tbit_or_3): Ditto.
14887 (*bit_zero): Ditto.
14890 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14893 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14895 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14897 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14898 loop_optimizer_init and loop_optimizer_finalize
14899 * tree-ssa-sink.c (execute_sink_code): Ditto.
14900 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14901 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14902 tree_ssa_loop_done): Ditto.
14903 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14904 * sched-ebb.c: Include output.h.
14905 (schedule_ebbs): Do not use dump argument.
14906 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14907 * loop.c (loop_dump_stream): Removed.
14908 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14910 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14911 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14912 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14913 loop_iterations, strength_reduce, record_biv, record_giv,
14914 final_giv_value, check_final_value, check_ext_dependent_givs,
14915 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14916 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14917 dump_file instead of loop_dump_stream.
14918 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14919 argument dump_file.
14920 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14922 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14923 * haifa-sched.c: Include output.h
14924 (schedule_insns, sched_init): Do not use dump argument.
14925 * mode-switching.c (optimize_mode_switching): Ditto.
14926 * modulo-sched.c (stats_file): Removed.
14927 (print_node_sched_params): Do not call argument dump_file.
14928 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14929 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14931 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14933 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14934 rtl_loop_init, rtl_loop_done): Ditto.
14935 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14936 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14938 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14939 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14940 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14941 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14942 * emit-rtl.c (renumber_insns): Ditto.
14943 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14944 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14945 * regclass.c (regclass): Ditto.
14946 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14947 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14948 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14949 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14951 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14952 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14954 * gcse.c (gcse_file, debug_stderr): Removed.
14955 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14956 rest_of_handle_gcse): Do not use dump argument.
14957 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14958 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14959 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14960 compute_code_hoist_vbeinout, compute_code_hoist_data,
14961 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14962 compute_store_table, build_store_vectors, insert_insn_start_bb,
14963 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14964 store_motion): Use dump_file instead of gcse_file.
14965 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14966 * profile.c (profile_dump_file): Removed.
14967 (branch_prob): Use dump_file instead of profile_dump_file.
14968 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14970 * tree-ssa-copy.c (dump_copy_of): Ditto.
14971 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14972 dump file to life_analysis.
14973 * bt-load.c (branch_target_load_optimize): Ditto.
14974 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14976 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14977 regclass, dbr_schedule): Declaration changed.
14978 * sched-int.h (sched_init): Declaration changed.
14979 * tree-profile.c (tree_profile_dump_file): Removed.
14980 (tree_profile_hooks): Removed profile_dump_file hook.
14981 * rtl-profile (rtl_profile_dump_file): Removed.
14982 (rtl_profile_hooks): emoved profile_dump_file hook.
14983 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14985 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14986 * tree-cfg.c (build_tree_cfg): Ditto.
14987 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14988 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14989 Declaration changed.
14990 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14991 life_analysis and schedule_insns.
14992 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14994 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14996 * config/mips/mips.c (mips_reorg): Ditto.
14997 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15000 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15002 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15003 (s390_mangle_fundamental_type): New.
15004 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15007 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15008 (alpha_mangle_fundamental_type): New.
15009 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15012 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15014 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15016 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15017 (sparc_mangle_fundamental_type): New.
15019 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15021 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15022 (s390x-*-linux*): Likewise.
15023 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15024 * config/s390/t-linux: New file.
15026 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15028 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15029 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15031 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15033 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15034 (ANTIC_SAFE_LOADS): New macro.
15035 (find_or_generate_expression): Add prototype.
15036 (set_contains_value): Allow null set for sake of not always having
15037 to allocate ANTIC_SAFE_LOADS.
15038 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15039 Allow COMPONENT_REF too.
15040 (valid_in_set): Allow COMPONENT_REF.
15041 Check ANTIC_SAFE_LOADS too.
15042 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15043 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15045 (can_PRE_operation): Add COMPONENT_REF.
15046 (create_component_ref_by_pieces): New function.
15047 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15048 (insert_aux): Move AGGREGATE_TYPE_P check here.
15049 (compute_avail): Set bb local stmt uids.
15050 (pass_pre): Use TODO_update_ssa_only_virtuals.
15052 2006-02-06 Ben Elliston <bje@au.ibm.com>
15054 * configure.ac: Unconditionally disable decimal float by default.
15055 * configure: Regenerate.
15057 2006-02-06 Ben Elliston <bje@au.ibm.com>
15059 * read-rtl.c (read_name): Terminate reading on EOF.
15061 2006-02-06 Ben Elliston <bje@au.ibm.com>
15063 * dfp.c (decimal_real_arithmetic): Change second argument type
15064 from int to enum tree_code. Do not always return true, but now
15065 return result of any call to decimal_do helper functions.
15066 * dfp.h (decimal_real_arithmetic): Update prototype.
15068 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15070 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15072 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15075 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15078 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15080 * tree-vrp.c (cfg_loops): Removed.
15081 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15082 Use current_loops instead of cfg_loops. Pass flags to
15083 loop_optimizer_init.
15084 * cfgloopmanip.c (fix_loop_structure): Update only available
15086 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15087 loop_optimizer_init.
15088 * modulo-sched.c (build_loops_structure): Removed.
15089 (sms_schedule): Use loop_optimizer_init.
15090 * loop-init.c (loop_optimizer_init): Use flags to determine
15091 which properties of loops to prepare.
15092 (rtl_loop_init): Pass flags to loop_optimizer_init.
15093 * tree-ssa-sink.c (execute_sink_code): Ditto.
15094 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15095 * tree-ssa-pre.c (init_pre): Ditto.
15096 * cfgloop.h (LOOPS_NORMAL): New.
15097 (loop_optimizer_init): Declaration changed.
15099 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15101 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15102 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15104 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15106 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15108 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15109 * pa/t-pa64: Delete quadlib.c rule.
15110 * pa/x-ada: Revert last change.
15111 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15113 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15115 PR rtl-optimization/26087
15116 * rtlanal.c (canonicalize_condition): Do not cross basic block
15119 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15122 * config/ia64/ia64.c: Include debug.h.
15123 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15124 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15125 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15126 (process_epilogue, process_set, process_for_unwind_directive):
15127 Output unwind info only if requested. Add CFA info if requested.
15128 Add new arguments as needed. Adjust callers.
15129 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15131 (DWARF2_FRAME_INFO): Define to zero.
15132 * config/ia64/unwind-ia64.c: Remove code that compensated for
15133 the CFA offset error fixed above.
15134 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15135 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15136 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15137 -funwind-tables and -fexceptions to enable frame info.
15138 (dwarf2out_frame_init): Define initial CFA even if
15139 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15140 DWARF2_UNWIND_INFO is nonzero, not just defined.
15141 (dwarf2out_frame_finish): Output non-EH call frame info only
15142 if DWARF2_FRAME_INFO is nonzero.
15143 (convert_cfa_to_loc_list,
15144 compute_frame_pointer_to_cfa_displacement): Define even if
15145 unwind info is not supported.
15146 (gen_subprogram_die): Use the above unconditionally. Remove
15147 legacy alternate code.
15148 * toplev.c (compile_file): Compile in call to
15149 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15150 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15152 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15153 Jakub Jelinek <jakub@redhat.com>
15155 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15156 IBM extended float format long double as "g" on powerpc*-linux.
15158 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15161 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15162 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15164 2006-02-03 Jason Merrill <jason@redhat.com>
15167 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15169 PR middle-end/25977
15170 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15171 on the return slot if it's an NRV.
15173 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15175 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15176 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15177 rewrite_use): Do not handle USE_OUTER.
15178 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15179 add_iv_outer_candidates, may_replace_final_value,
15180 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15181 (find_interesting_uses_op): Functionality of
15182 find_interesting_uses_outer_or_nonlin moved here.
15183 (find_interesting_uses_outside): Use find_interesting_uses_op.
15185 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15188 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15190 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15191 Ulrich Weigand <uweigand@de.ibm.com>
15194 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15195 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15196 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15197 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15199 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15200 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15201 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15202 Define secondary reloads for TFmode moves.
15203 (constant_modes): Add TFmode.
15204 (NR_C_MODES): Set to 8.
15205 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15207 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15208 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15209 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15210 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15211 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15212 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15213 (FPR mode macro): Add TFmode.
15214 (DSF mode macro): New.
15215 (<de>, <dee> mode attributes): Removed.
15216 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15217 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15218 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15219 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15220 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15221 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15222 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15223 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15224 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15225 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15226 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15227 "*negabs<mode>2", "sqrt<mode>2"):
15228 Changed <de> to <xde>. R constraint replaced by <Rf>.
15229 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15231 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15232 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15233 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15235 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15236 "extenddftf2", "extendsftf2"): New expanders.
15237 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15238 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15239 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15240 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15242 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15243 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15244 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15245 __floatditf): Add a GCC_4.1.0 symbol version tag.
15246 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15249 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15252 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15253 Use targetm.binds_local_p instead of TREE_PUBLIC.
15255 2006-02-02 Roger Sayle <roger@eyesopen.com>
15257 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15258 on INTEGER_TYPEs to indicate that it denotes a character type.
15259 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15260 signed_char_type_node, unsigned_char_type_node and char_type_node.
15261 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15262 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15263 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15265 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15266 Daniel Berlin <dberlin@dberlin.org>
15268 * tree-tailcall.c (arg_needs_copy_p): New function.
15269 (eliminate_tail_call): Use arg_needs_copy_p.
15270 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15271 (add_virtual_phis): New function.
15273 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15275 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15276 #ignore instead of #scratch for %g7 .register directive.
15278 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15280 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15283 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15285 * flow.c (calculate_global_regs_live): Assert that there aren't any
15288 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15290 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15291 what its name says.
15292 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15293 bsi_after_labels iterator.
15294 * tree-if-conv.c (find_phi_replacement_condition,
15295 replace_phi_with_cond_modify_expr): Likewise.
15296 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15297 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15299 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15301 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15303 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15306 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15307 array after growing it.
15309 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15311 PR middle-end/24901
15312 * fold-const.c (fold_checksum_tree): Change type of buf.
15314 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15316 * reload.c (push_secondary_reload): Initialize t_icode.
15318 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15320 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15321 -msoft-float -mlong-double-128 only issue a warning, but don't
15322 swich to DFmode long double.
15324 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15326 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15327 has a constant equivalent, iterate over equivalents for arg0,
15328 calling simplify_relational_operation and if there's a result
15329 cheaper than X, apply fold_rtx and return the result.
15331 2006-02-01 Jan Hubicka <jh@suse.cz>
15333 * opts.c (no_unit_at_a_time_default): New global variable.
15334 (decode_options): Use it.
15335 * opts.h (no_unit_at_a_time_default): Declare.
15337 2006-02-01 Paul Brook <paul@codesourcery.com>
15339 * function.c (assign_parm_setup_reg): Use function argument promotion
15341 * expr.c (expand_expr_real_1): Use function argument promotion rules
15344 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15346 * gcc.c (process_command): Change j to 'unsigned int'.
15348 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15350 PR middle-end/26001
15351 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15352 Use the corrected index for the character
15353 out of the string constant.
15355 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15357 * mode-switching.c (optimize_mode_switching): Fix size
15358 allocated for bb_info[n_entities].
15360 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15362 * gcc.c (main): Correct type that is allocated for
15363 explicit_link_files.
15365 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15367 * config/s390/s390.c (init_alignment_context): Set
15368 ALIAS_SET_MEMORY_BARRIER on the MEM.
15369 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15371 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15373 PR middle-end/25933
15374 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15376 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15379 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15381 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15382 * regrename.c: Ditto.
15383 * tree-ssa-loop-im.c: Ditto.
15384 * tree-dump.c: Ditto.
15385 * tree-complex.c: Ditto.
15386 * genrecog.c: Ditto.
15387 * tree-ssa-threadupdate.c: Ditto.
15389 * java/class.c: Ditto.
15390 * java/jcf-parse.c: Ditto.
15391 * java/resource.c: Ditto.
15392 * java/except.c: Ditto.
15393 * java/jvspec.c: Ditto.
15394 * java/jcf-write.c: Ditto.
15395 * java/jcf-path.c: Ditto.
15396 * java/gjavah.c: Ditto.
15397 * java/zextract.c: Ditto.
15398 * java/jcf-io.c: Ditto.
15399 * java/jcf.h: Ditto.
15400 * java/buffer.c: Ditto.
15401 * java/lang.c: Ditto.
15402 * java/parse-scan.y: Ditto.
15403 * java/lex.c: Ditto.
15404 * java/lex.h: Ditto.
15405 * cfgloopmanip.c: Ditto.
15406 * postreload-gcse.c: Ditto.
15407 * tree-ssa-loop-manip.c: Ditto.
15408 * postreload.c: Ditto.
15409 * tree-ssa-loop-ch.c: Ditto.
15412 * cppspec.c: Ditto.
15413 * diagnostic.c: Ditto.
15415 * genoutput.c: Ditto.
15417 * cfghooks.c: Ditto.
15418 * cfgloopanal.c: Ditto.
15419 * objc/objc-act.c: Ditto.
15421 * genextract.c: Ditto.
15422 * genautomata.c: Ditto.
15423 * pretty-print.c: Ditto.
15424 * genemit.c: Ditto.
15425 * cgraphunit.c: Ditto.
15427 * df-scan.c: Ditto.
15428 * haifa-sched.c: Ditto.
15429 * dominance.c: Ditto.
15431 * tree-ssa-loop-ivopts.c: Ditto.
15432 * df-core.c: Ditto.
15433 * mode-switching.c: Ditto.
15434 * modulo-sched.c: Ditto.
15436 * ipa-pure-const.c: Ditto.
15438 * fix-header.c: Ditto.
15440 * tree-stdarg.c: Ditto.
15441 * ipa-utils.c: Ditto.
15442 * loop-init.c: Ditto.
15443 * ipa-inline.c: Ditto.
15444 * cfganal.c: Ditto.
15446 * alloc-pool.c: Ditto.
15447 * dwarf2out.c: Ditto.
15449 * genattrtab.c: Ditto.
15450 * tree-ssa-loop-ivcanon.c: Ditto.
15451 * predict.c: Ditto.
15452 * timevar.c: Ditto.
15454 * fortran/gfortranspec.c: Ditto.
15455 * regmove.c: Ditto.
15456 * local-alloc.c: Ditto.
15457 * langhooks.c: Ditto.
15458 * function.c: Ditto.
15459 * tree-vectorizer.c: Ditto.
15461 * ipa-type-escape.c: Ditto.
15463 * tree-if-conv.c: Ditto.
15464 * profile.c: Ditto.
15466 * tree-data-ref.c: Ditto.
15467 * loop-unroll.c: Ditto.
15468 * treelang/treetree.c: Ditto.
15470 * bt-load.c: Ditto.
15471 * ggc-common.c: Ditto.
15473 * coverage.c: Ditto.
15475 * tree-cfgcleanup.c: Ditto.
15476 * tree-ssa-pre.c: Ditto.
15477 * cfgcleanup.c: Ditto.
15478 * loop-invariant.c: Ditto.
15479 * loop-iv.c: Ditto.
15480 * ipa-prop.c: Ditto.
15481 * print-tree.c: Ditto.
15482 * conflict.c: Ditto.
15483 * ggc-page.c: Ditto.
15484 * sched-deps.c: Ditto.
15485 * regclass.c: Ditto.
15486 * tree-object-size.c: Ditto.
15487 * combine.c: Ditto.
15488 * bb-reorder.c: Ditto.
15489 * resource.c: Ditto.
15490 * var-tracking.c: Ditto.
15491 * cfgloop.c: Ditto.
15492 * df-problems.c: Ditto.
15493 * reg-stack.c: Ditto.
15495 * gccspec.c: Ditto.
15496 * sched-rgn.c: Ditto.
15497 * tree-ssa-structalias.c: Ditto.
15498 * tree-ssa-reassoc.c: Ditto.
15499 * config/darwin-c.c: Ditto.
15500 * config/darwin.c: Ditto.
15501 * config/arm/arm.c: Ditto.
15503 * collect2.c: Ditto.
15504 * reload1.c: Ditto.
15506 2006-01-31 Nicolas Pitre <nico@cam.org>
15508 * arm.md (smaxsi3): Make aware of smax_m1.
15511 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15513 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15515 2006-01-31 Richard Guenther <rguenther@suse.de>
15517 * doc/invoke.texi (-msselibm): Document.
15518 * target.h (expand_library_builtin): New target hook.
15519 * builtins.c (expand_builtin): Use expand_library_builtin.
15520 (default_expand_library_builtin): New function.
15521 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15522 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15523 (link_gcc_math_spec): Declare.
15524 (static_specs): Add link_gcc_math_spec.
15525 * expr.h (default_expand_library_builtin): Declare.
15526 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15527 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15528 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15529 * config/i386/i386.opt (msselibm): New target option.
15530 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15531 (ix86_init_sse_abi_builtins): New function.
15532 (ix86_expand_library_builtin): Likewise.
15533 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15534 (override_options): Handle error conditions wrt -msselibm.
15535 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15536 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15537 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15540 2006-01-31 Richard Guenther <rguenther@suse.de>
15541 Paolo Bonzini <bonzini@gnu.org>
15543 * doc/install.texi (--disable-libgcc-math): Document.
15545 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15547 * expr.h (expand_normal): new inline function.
15548 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15549 * dojump.c: use it.
15550 * dwarf2out.c: use it.
15553 * expmed.c: use it.
15554 * except.c: use it.
15555 * config/sparc/sparc.c: use it.
15556 * config/i386/i386.c: use it.
15557 * config/rs6000/rs6000.c: use it.
15558 * config/arm/arm.c: use it.
15559 * config/mips/mips.c: use it.
15560 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15562 2006-01-30 Roger Sayle <roger@eyesopen.com>
15564 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15565 argv to the appropriate type.
15567 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15569 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15572 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15575 * config/s390/s390.c (struct machine_function): New flag
15576 decomposed_literal_pool_addresses_ok_p.
15577 (s390_reorg): Set it before final stage of literal pool transforms.
15578 (s390_decompose_address): Only accept displacements of the form
15579 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15581 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15583 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15584 the comparison routine return.
15586 2006-01-30 Michael Matz <matz@suse.de>
15588 * global.c (find_reg): Only evict for global regs.
15589 Take n_refs into account and dump more info.
15591 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15594 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15595 (pragma_trap, pragma_nosave_low_regs): Likewise.
15596 (current_function_anonymous_args): Likewise.
15597 (sh_deferred_function_attributes): New variable.
15598 (sh_deferred_function_attributes_tail): Likewise.
15599 (print_operand): For '@', look up trap_exit attribute.
15600 (calc_live_regs): Look up trapa_handler attribute. For trapa
15601 handlers, save/restore fpscr, but don't do any other
15602 interrupt-specific saves.
15603 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15604 Fix check for partially saved registers to check for SHmedia.
15605 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15606 (sh_output_function_epilogue): Don't clear any of the removed
15608 (sh_insert_attributes): Don't check pragma_interrupt.
15609 Insert deferred attributes. Check that interrupt attribute is
15610 present for other attributes that require its presence.
15611 (sh_attribute_table): Add new attributes trapa_handler and
15613 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15614 Don't check for pragma_interrupt. Don't store argument.
15615 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15616 (sh_deferred_function_attributes): Declare.
15617 (sh_deferred_function_attributes_tail): Likewise.
15618 * sh.md (sp_switch_1): Add operand. Change generator caller.
15619 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15620 (*return_i): Don't use when trap_exit attribute is in effect.
15621 (*return_trapa): New insn pattern.
15622 * sh-c.c: New file.
15623 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15624 setting c_target_objs and cxx_target_objs.
15625 * t-sh: Add rule for sh-c.o.
15627 2006-01-30 Richard Guenther <rguenther@suse.de>
15630 * gimplify.c (gimplify_target_expr): Handle easy cases
15631 without creating a temporary.
15633 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15635 * vec.h (safe_grow): Remove duplicated line.
15637 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15640 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15641 (expand_omp): ... here.
15642 (expand_omp_parallel): Only remove barriers for combined
15643 parallel+workshare constructs.
15645 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15649 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15650 * tree.c (build_qualified_type): Chain the new type to the original
15651 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15652 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15653 (build_pointer_type_for_mode): Only return unqualified types.
15654 (build_reference_type_for_mode): Likewise.
15656 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15658 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15659 * Makefile.in (CXX_COMPAT_WARN): Define.
15660 * configure: Regenerate.
15662 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15665 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15668 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15670 * toplev.c: Fix thinko.
15672 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15673 Marcin Dalecki <martin@dalecki.de>
15675 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15676 (push_srcloc): Use XNEW.
15677 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15679 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15681 * df-core.c (df_set_blocks): Deleted all variable.
15683 2006-01-28 Ian Lance Taylor <ian@airs.com>
15685 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15686 cgraph_output_pending_asms.
15688 2006-01-28 Zack Weinberg <zackw@panix.com>
15690 * c.opt: Add -W(no-)overlength-strings.
15691 * doc/invoke.texi: Document it.
15692 * c-opts.c (c_common_handle_option): -pedantic implies
15693 -Woverlength-strings, if not explicitly disabled already.
15694 (c_common_post_options): -Woverlength-strings defaults to off, and
15695 is always off for C++.
15696 * c-common.c (fix_string_type): Issue warning about strings longer
15697 than is portable only if warn_overlength_strings. Rearrange code
15698 a little for clarity.
15699 * configure.in: Check for -Wno-overlength-strings as well before
15700 enabling -pedantic in stage 1.
15701 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15702 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15704 * genconditions.c (write_header, write_one_condition)
15705 (write_conditions, write_writer): Consolidate very long strings
15706 that were broken up to fit in C89 portable limit. Don't use
15707 printf when fputs will do.
15709 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15711 * combine.c (simplify_comparison <AND>): Check
15712 TRULY_NOOP_TRUNCATION before start using a subreg.
15714 * config/mips/mips.md (*branch_zero<mode>,
15715 *branch_zero<mode>_inverted, *branch_equality<mode>,
15716 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15717 Remove mode check from comparisons.
15719 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15721 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15723 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15725 * expmed.c (const_mult_add_overflow_p): Remove.
15726 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15728 * recog.c (validate_replace_rtx_subexp): Remove.
15729 * recog.h: Remove the prototype for
15730 validate_replace_rtx_subexp.
15732 * integrate.h: Remove the prototype for
15733 copy_decl_for_inlining.
15734 * rtl.h: Remove the prototype for mark_constant_function.
15735 * tree-vectorizer.h: Remove the prototype for
15736 vect_strip_conversion.
15738 * modulo-sched.c (create_partial_schedule,
15739 free_partial_schedule, reset_partial_schedule): Make them
15742 * hooks.c (hook_bool_rtx_int_false): Remove.
15743 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15745 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15747 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15748 and -mlong-double-128 are incompatible.
15749 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15750 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15751 (TARGET_LIBGCC2_CFLAGS): Define.
15752 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15753 (TARGET_LIBGCC2_CFLAGS): Same.
15754 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15756 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15759 * c-typeck.c (build_binary_op): Perform implicit casts of
15760 operands before shortening them.
15762 * cfgloopmanip.c (split_loop_bb): Remove.
15763 * cfgloop.h: Remove the prototype for split_loop_bb.
15765 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15766 * cfgloop.h: Remove the prototype for
15767 flow_loop_outside_edge_p.
15769 * emit-rtl.c (init_virtual_regs): Make it static.
15770 * function.h: Remove the prototype for init_virtual_regs.
15772 * recog.c (peephole2_optimize): Make it static.
15773 * recog.h: Remove the prototype for peephole2_optimize.
15775 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15777 * df-scan.c (df_record_entry_block_defs): Check if
15778 INCOMING_RETURN_ADDR_RTX is defined.
15780 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15781 Kenneth Zadeck <zadeck@naturalbridge.com>
15783 PR rtl-optimization/24762
15784 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15785 * targhooks.c (hook_void_bitmap): New hook prototype.
15786 * targhoohs.h (hook_void_bitmap): Ditto.
15787 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15788 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15789 * target.h (live_on_entry): New function pointer.
15790 * df-scan.c (df_all_hard_regs): Removed.
15791 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15792 (df_scan_free_internal): Added df->entry_block_defs.
15793 (df_scan_alloc): Ditto.
15794 (df_scan_dump): Ditto.
15795 (df_uses_record): Plumbed flag field properly thru calls.
15796 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15797 This part fixes PR24762.
15798 (df_bb_refs_record): Added code to make the frame and arg
15799 pointers live in EH blocks.
15800 (df_refs_record): Added call to df_record_entry_block_defs.
15801 (df_record_entry_block_defs): New function.
15802 * df-core.c: Added comments to describe new artifical defs.
15803 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15804 (entry_block_defs): New field in struct df.
15805 (df_all_hard_regs): Deleted.
15806 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15807 * df-problems.c (df_ru_bb_local_compute_process_def):
15808 Added code to handle artifical defs in the entry to a function.
15809 (df_ru_bb_local_compute): Ditto.
15810 (df_rd_bb_local_compute_process_def): Ditto.
15811 (df_rd_bb_local_compute): Ditto.
15812 (df_lr_bb_local_compute): Ditto.
15813 (df_ur_bb_local_compute): Ditto.
15814 (df_urec_bb_local_compute): Ditto.
15815 (df_chain_create_bb): Ditto.
15816 (df_ur_local_finalize): Removed entry.
15817 (df_urec_init): Ditto.
15818 (df_urec_local_finalize): Ditto.
15819 (df_ri_bb_compute): Added detection of last use of pseudos.
15820 * Makefile.in (df-scan.o): Updated dependencies.
15821 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15822 * config/mips/mips.c (mips_set_live_on_entry): Added.
15823 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15825 * dce.c (marked_insn_p): Added code to handle artifical defs.
15827 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15829 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15831 (_mm_cvtsi128_si64): Likewise.
15832 (_mm_cvtsd_si64): Likewise.
15833 (_mm_cvttsd_si64): Likewise.
15834 (_mm_cvtsi64_sd): Likewise.
15835 (_mm_cvtsi64_si128): Likewise.
15836 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15837 (_mm_cvtsi64_m64): Likewise.
15838 (_m_to_int64): Likewise.
15839 (_mm_cvtm64_si64): Likewise.
15840 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15841 (_mm_cvttss_si64): Likewise.
15842 (_mm_cvtsi64_ss): Likewise.
15843 (_mm_cvtss_f32): Likewise.
15845 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15847 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15848 for pragma redefine_extname.
15850 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15853 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15854 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15855 -mno-minimal-toc to previous content.
15856 (bispecs): Remove goal.
15857 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15858 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15859 compatibility aliases on powerpc-*-*gnu*.
15860 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15861 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15862 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15863 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15864 (ldblspecs): New goal.
15865 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15866 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15868 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15869 L_sf_to_tf or L_df_to_tf is defined.
15871 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15872 Alan Modra <amodra@bigpond.net.au>
15875 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15876 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15877 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15878 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15879 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15880 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15881 (rs6000_override_options): Initialize rs6000_ieeequad.
15882 Initialize TFmode format to ibm_extended_format if not
15884 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15886 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15887 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15888 (function_arg_advance): IBM long double passed in two FPRs, not
15890 (function_arg): IBM long double passed in FPRs.
15891 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15892 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15893 Only multireg GPR aligned.
15894 (rs6000_init_libfuncs): Enable IBM long double functions if not
15896 (rs6000_generate_compare): Use IBM long double compare if not
15898 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15899 (TARGET_IEEEQUAD): Define.
15900 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15901 not TARGET_IEEEQUAD.
15902 * config/rs6000/rs6000.md: Enable TFmode patterns if
15904 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15905 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15906 and -mlong-double-128 are incompatible.
15907 * doc/invoke.texi (-mabi): Collect options together. Add
15908 ibmlongdouble and ieeelongdouble.
15910 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15912 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15914 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15915 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15916 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15917 * rtl.h (rtunion_def): Remove rt_ptr.
15919 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15920 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15921 * config/i386/winnt.c (i386_pe_mark_dllexport)
15922 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15924 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15926 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15928 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15932 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15933 pthread_key_delete. From John David Anglin. gthrw-ify
15934 pthread_getunique_np only if it it's not a macro. Delete
15936 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15937 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15938 __gthread_objc_condition_signal, __gthread_key_delete): Add
15939 "__attribute__ ((__unused__))" to unused arguments.
15940 (__gthread_recursive_mutex_init_function): Add missing return.
15941 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15942 gthr-posix95.h: Use macro-based approach for name redirection
15943 on targets missing weakref.
15945 2006-01-26 Zack Weinberg <zackw@panix.com>
15947 * genconditions.c (write_header): In generated code, #ifdef out
15948 all includes and fake declarations, except includes of bconfig.h
15949 and system.h, unless GCC_VERSION >= 3001. Do not include
15950 gensupport.h in any case.
15951 (write_conditions): Generate a definition of struct c_test. Add
15952 a comment to the generated #endif.
15953 (write_one_condition): Escape backslashes in string too.
15954 (write_writer): Generated code must escape backslashes and quote
15955 marks (but not newlines) in the strings it writes.
15956 * Makefile.in (build/gencondmd.o): Update dependencies.
15958 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15961 * Makefile.in (insn-automata.o): Add header file dependencies.
15962 * genautomata.c: Add includes.
15964 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15967 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15969 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15971 * configure.ac: Expect target tools paths to be passed from the toplevel
15972 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15974 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15976 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15979 * c.opt (Wpointer-sign): Init to -1.
15980 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15981 OPT_pedantic, to 0 otherwise.
15982 * doc/invoke.texi: Update.
15984 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15986 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15987 constants provided by 80387 instructions in the destination mode.
15989 2006-01-26 Richard Guenther <rguenther@suse.de>
15990 Andrew Pinski <pinskia@physics.uc.edu>
15993 partial PR tree-opt/17064
15994 * tree-ssa-structalias.c (intra_create_variable_infos):
15995 Create heap variables for incoming parameters if
15996 flag_argument_noalias > 1.
15997 (find_what_p_points_to): Look through default defs of
16000 2006-01-26 Jeff Law <law@redhat.com>
16003 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16004 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16005 within the VR_RANGE, use the VR_RANGE as the result, not the
16007 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16008 bounds for the type.
16010 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16012 * tree-ssa-alias.c (maybe_create_global_var): Change
16013 subvar walking to an assertion that we don't have subvar'd variables.
16015 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16018 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16019 Use a new variable, inner. PARM_DECLs are always non-weak.
16021 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16023 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16024 --disable-checking.
16026 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16028 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16030 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16032 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16033 (smax_insn, smin_insn, smax_0, smin_0): New.
16035 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16038 * config/cris/cris.c (cris_order_for_addsi3): New function.
16039 * config/cris/cris-protos.h: Prototype it.
16040 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16041 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16042 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16043 (split for "op.S1 [rx=rx+i],ry (swapped)")
16044 (split for "op(s|u).S1 [rx=rx+i],ry")
16045 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16046 Apply cris_order_for_addsi3 when generating addsi3 insns.
16048 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16050 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16051 (TREE_BLOCK): Add call to EXPR_CHECK.
16053 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16056 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16057 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16058 (dump_omp_clauses): ... here.
16059 (dump_generic_node): Handle OMP_CLAUSE.
16060 * tree.c (omp_clause_num_ops): New.
16061 (omp_clause_code_name): New.
16062 (tree_code_size): Handle OMP_CLAUSE.
16063 (tree_size): Likewise.
16064 (make_node): Document handling of OMP_CLAUSE.
16065 (tree_node_structure): Handle OMP_CLAUSE.
16066 (omp_clause_check_failed): New.
16067 (omp_clause_range_check_failed): New.
16068 (omp_clause_operand_check_failed): New.
16069 (build_omp_clause): New.
16070 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16071 * tree.h (enum omp_clause_code): Declare.
16072 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16073 (OMP_CLAUSE_RANGE_CHECK): Define.
16074 (OMP_CLAUSE_ELT_CHECK): Define.
16075 (omp_clause_check_failed): Declare.
16076 (omp_clause_operand_check_failed): Declare.
16077 (omp_clause_range_check_failed): Declare.
16078 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16079 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16080 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16081 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16082 (OMP_CLAUSE_IF_EXPR): Likewise.
16083 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16084 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16085 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16086 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16087 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16088 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16089 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16090 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16091 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16092 (OMP_CLAUSE_CODE): Define.
16093 (OMP_CLAUSE_SET_CODE): Define.
16094 (OMP_CLAUSE_CODE): Define.
16095 (OMP_CLAUSE_OPERAND): Define.
16096 (struct tree_omp_clause): Declare.
16097 (union tree_node): Add field 'omp_clause'.
16098 * treestruct.def (TS_OMP_CLAUSE): Define.
16099 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16100 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16101 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16102 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16103 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16104 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16105 (OMP_CLAUSE): Define.
16106 * print-tree.c (print_node): Handle OMP_CLAUSE.
16107 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16108 * c-typeck.c: Likewise.
16109 * gimplify.c: Likewise.
16110 * c-omp.c: Likewise.
16111 * tree-nested.c: Likewise.
16112 * tree-inline.c: Likewise.
16113 * c-parser.c: Likewise.
16114 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16117 2006-01-25 Roger Sayle <roger@eyesopen.com>
16119 PR rtl-optimization/25703
16120 * combine.c (try_combine): Handle zero_extract and strict_low_part
16121 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16123 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16125 * global.c: Fix comment typos.
16127 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16130 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16131 Use output_addr_const instead of assemble_name.
16133 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16135 * Makefile.in (sched-vis.o): Update dependencies.
16136 * haifa-sched.c (sched_finish): Clear current_sched_info.
16137 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16138 (dump_flow_info): Call it.
16139 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16141 * basic-block.h (dump_bb_info): Declare.
16142 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16143 option, and apply options only for dump files whose TDF_RTL,
16144 TDF_TREE, or TDF_IPA bits match.
16145 * rtl.h: Declare new functions exported from sched-vis.c.
16146 * sched-vis.c: Enable also if scheduling is not used.
16147 (print_value): Print the mode of registers if not inside scheduling.
16148 (print_insn): Make it work outside the scheduler. Beautify the output
16150 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16152 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16154 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16155 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16156 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16157 depending on the value of CONSTANT_POOL_ADDRESS_P.
16158 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16160 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16161 rather than SYMBOL_REF_DECL.
16162 (rtx_constant_pool): Remove const_rtx_sym_htab.
16163 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16164 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16165 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16166 Remove handling of const_rtx_sym_htab.
16167 (find_pool_constant): Delete.
16168 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16169 rather than find_pool_constant.
16170 (get_pool_constant_for_function): Delete.
16171 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16172 find_pool_constant.
16173 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16174 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16175 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16176 (SYMBOL_REF_CONSTANT): New macro.
16177 (get_pool_constant_for_function): Delete.
16178 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16179 rather than SYMBOL_REF_DECL.
16180 (i386_pe_mark_dllimport): Likewise.
16181 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16182 rather than SYMBOL_REF_DECL.
16183 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16184 (machopic_indirect_call_target): Likewise.
16186 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16188 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16190 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16192 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16194 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16196 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16198 2006-01-24 David Daney <ddaney@avtrex.com>
16201 * configure.ac (enable_tls): New enable option.
16202 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16203 * configure: Regenerate.
16204 * doc/install.texi (--enable-tls): Document new option.
16205 (--disable-tls): Ditto.
16207 2006-01-24 Richard Henderson <rth@redehat.com>
16209 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16210 * alias.c (true_dependence): Respect it.
16211 (canon_true_dependence, write_dependence_p): Likewise.
16212 * builtins.c (get_builtin_sync_mem): Set it.
16214 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16216 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16219 2006-01-24 DJ Delorie <dj@redhat.com>
16221 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16222 for storing constants in single-bit bitfields.
16224 2006-01-25 Ben Elliston <bje@au.ibm.com>
16226 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16228 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16231 * tree-ssa-pre.c (phi_translate): Return NULL
16232 for AGGREGATE_TYPE's.
16234 2006-01-24 Zack Weinberg <zackw@panix.com>
16236 * genautomata.c (process_state_for_insn_equiv_partition):
16237 Use xcalloc for insn_arcs_array.
16238 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16239 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16241 2006-01-24 Richard Henderson <rth@redhat.com>
16243 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16244 update all callers.
16246 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16248 PR rtl-optimization/25890
16249 PR rtl-optimization/25905
16250 * combine.c (expand_compound_operation, expand_field_assignment):
16251 Fail if the bitfield's final position is out of bounds.
16253 2006-01-24 Ian Lance Taylor <ian@airs.com>
16255 PR middle-end/25930
16256 * cgraphunit.c (cgraph_output_in_order): Don't clear
16257 cgraph_asm_nodes until after asm strings have been output.
16259 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16261 * fix-header.c (read_scan_file): Add new parameter imultilib when
16262 calling register_include_chains.
16264 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16266 * omp-low.c: Update documentation.
16268 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16269 Daniel Berlin <dberlin@dberlin.org>
16273 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16274 return from the function.
16276 2006-01-22 Zack Weinberg <zackw@panix.com>
16278 * rtl.def (match_code): Add second argument.
16279 * genpreds.c (write_extract_subexp): New function.
16280 (write_match_code): Add path argument. Use write_extract_subexp.
16281 (write_predicate_expr): Pass path to write_match_code.
16282 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16283 not perform a mode test.
16284 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16285 a subexpression does not constrain the top-level code set.
16286 * read-rtl.c (read_rtx_variadic): New function.
16287 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16288 * doc/md.texi: Document new notation.
16289 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16290 (cmpsi_operand): ... here, using new notation.
16292 2006-01-22 Zack Weinberg <zackw@panix.com>
16294 * varray.c: Remove GENERATOR_FILE #ifdefs.
16296 2006-01-22 Zack Weinberg <zackw@panix.com>
16298 * genautomata.c (output_reserved_units_table): Emit nothing if
16299 description->query_units_num is zero. Remove extra blank line.
16300 (output_cpu_unit_reservation_p): Short circuit
16301 if description->query_units_num is zero.
16303 2006-01-22 Zack Weinberg <zackw@panix.com>
16305 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16306 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16307 nor any of the random handful of variables that used to be necessary
16308 when this program was linked with rtlanal.o. Prune set of forward
16309 function declarations.
16310 (struct attr_desc): Remove static_p field.
16311 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16312 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16313 (attr_string): Do not read the character one past the length of
16315 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16316 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16317 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16318 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16319 (make_automaton_attrs): New.
16320 (main): Do not call into genautomata. Call local gen_bypass
16321 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16322 Remove special case for insn_alts.
16323 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16324 varray.h (leftover from previous change). Prune set of forward
16325 function declarations. Remove state_alts fields from all
16326 structures. Remove state_alts_table from struct automaton.
16327 Make everything except main static. Do not maintain num_dfa_decls.
16328 Do not maintain state_alts fields of various structures.
16329 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16330 (add_arc): Remove state_alts argument. All callers updated.
16331 (output_reserved_units_table): Emit #ifdef here...
16332 (output_tables): ...not here. Don't generate state_alts tables.
16333 (expand_automata): Don't generate attributes.
16334 (write_automata): Don't generate state_alts functions.
16335 (main): New function.
16336 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16337 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16338 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16339 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16340 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16341 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16342 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16343 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16345 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16346 * genattrtab.h: Delete file.
16347 * Makefile.in (OBJS-common): Add insn-automata.o.
16348 (insn-automata.o): New rule.
16349 (simple_generated_c): Add insn-automata.c.
16350 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16351 (genprogmd): Add automata.
16352 (build/genattrtab): Needs no extra objects nor libraries.
16353 (build/genautomata): Needs build/vec.o and -lm.
16355 2006-01-22 Zack Weinberg <zackw@panix.com>
16357 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16358 (output_dfa_max_issue_rate, locked_states_num): Delete.
16359 (struct automaton): Add locked_states field.
16360 (output_dead_lock_vect): Save number of locked states in
16361 automaton->locked_states. If it is zero, don't print anything.
16362 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16363 (output_internal_dead_lock_func): Only test the dead_lock_vect
16364 for automata that have locked states.
16365 (output_statistics): Always print the number of locked states for
16366 each automaton. Calculate total number of locked states here.
16367 (write_automata): Don't call output_dfa_max_issue_rate.
16368 * genattrtab.c: Define length_unit_log as a const variable.
16369 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16370 max_insn_queue_index const.
16371 * final.c (length_unit_log): Declare const.
16372 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16374 2006-01-22 Zack Weinberg <zackw@panix.com>
16376 * genautomata.c: Include vec.h, not varray.h.
16377 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16378 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16379 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16380 VEC_* macros operating on appropriately typed vectors, or to
16381 malloced arrays when the size is known in advance. Const-ify
16382 many char* variables and function arguments. No functional changes.
16383 * Makefile.in (build/varray.o): Delete rule.
16384 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16385 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16387 2006-01-22 Zack Weinberg <zackw@panix.com>
16389 * gensupport.c: Define get_insn_name and record_insn_name here.
16390 (read_md_rtx): Call record_insn_name as appropriate.
16391 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16392 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16393 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16395 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16396 (BUILD_VARRAY): Delete.
16397 (genprognormal): Rename genprogmd. Fold in all programs from
16398 genprognoprint; also attrtab.
16399 (build/genattrtab): Just mention genautomata.o and varray.o.
16400 Reorganize a bit, add comments to make the categories clearer.
16402 2006-01-22 Zack Weinberg <zackw@panix.com>
16404 * genconditions.c (condition_table, add_condition): Delete.
16405 (write_conditions): Don't emit n_insn_conditions nor
16406 insn_elision_unavailable. Issue the gcc version #ifdef here,
16407 inside the table, with no #else clause ...
16408 (write_header): ...not here.
16409 (write_writer): New function.
16410 (main): Don't initialize condition_table. Use add_c_test.
16412 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16413 files on the command line.
16414 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16415 Return -1 if there is no entry in the table, don't abort.
16416 (add_c_test, traverse_c_tests): New functions.
16417 * gensupport.h (insn_elision_unavailable, insn_conditions)
16418 (n_insn_conditions): Delete declarations.
16419 (add_c_test, traverse_c_tests): Declare.
16420 * read-rtl.c: Include gensupport.h.
16421 (read_conditions): New function.
16422 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16423 (read_rtx_1): If we get EOF when we were looking for an initial
16424 open paren, return 0. Call read_conditions when appropriate.
16425 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16426 dummy-conditions.o. Eliminate references to insn-conditions.o,
16427 or change them to build/gencondmd.o, as appropriate. Remove
16428 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16429 from $(simple_generated_c). For all files remaining in those
16430 two lists, add insn-conditions.md to the generator command line.
16431 Give insn-constants.h/s-constants their own rules. Add rules
16432 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16433 (build/read-rtl.o): Depend on gensupport.h.
16434 (genprognormal): Include preds.
16435 (genprogearly): Rename genprognoprint; only difference is now that
16436 they don't link with $(BUILD_PRINT).
16437 * dummy-conditions.c: Delete.
16439 2006-01-22 Zack Weinberg <zackw@panix.com>
16441 * genextract.c: Don't include insn-config.h. Do include vec.h.
16442 Declare vectors of int, char, and locstr.
16443 (locstr): New typedef.
16444 (struct extraction): Make all array fields into bare pointers.
16445 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16446 (insn_code_number): Delete.
16447 (accum_extract): New struct.
16448 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16449 (gen_insn): Take insn_code_number as an argument. Use an
16450 accum_extract structure instead of loading data directly into
16451 a struct extraction, and having to know how big it might get.
16452 (walk_rtx): Operate entirely on an accum_extract structure.
16453 (print_path): Avoid unnecessary use of printf.
16454 (print_header): New function, split out of main. Distinguish
16455 more carefully between an unrecognizable insn and an insn that
16456 has the code number of a define_expand.
16457 (main): Pass insn_code_number to gen_insn. Call print_header
16458 only after parsing. Avoid unnecessary use of printf.
16459 * Makefile.in (build/vec.o): New rule.
16460 (build/genextract): Depend on build/vec.o.
16461 (build/genextract.o): Don't depend on insn-config.h.
16463 2006-01-22 Zack Weinberg <zackw@panix.com>
16465 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16466 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16467 practical. Eliminate per-generator-program link rules.
16469 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16471 PR middle-end/24437
16472 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16473 with a call expr to ...
16474 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16476 2006-01-23 Richard Guenther <rguenther@suse.de>
16478 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16479 before make_edge with conditional EDGE_TRUE_VALUE.
16481 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16482 Jan Hubicka <jh@suse.cz>
16483 Richard Guenther <rguenther@suse.de>
16485 PR rtl-optimization/25654
16486 * cfgexpand.c (aggregate_contains_union_type): New function.
16487 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16488 for structure variables that contain a union type.
16490 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16492 * gengtype.c (new_structure): Return the structure.
16493 (create_option): Add an extra "next" argument.
16494 (create_field): New function.
16495 (adjust_field_rtx_def): Use create_option and create_field.
16496 Remove a now-unnecessary call to find_structure.
16497 (adjust_field_tree_def): Likewise.
16498 (note_yacc_type): Remove an unnecessary call to find_structure.
16499 * gengtype.h (new_structure): Return the structure.
16500 (create_option): Add an extra argument.
16501 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16502 (option): Adjust calls to create_option.
16504 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16506 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16508 2006-01-22 Paul Brook <paul@codesourcery.com>
16509 Peter Barada <peter@the-baradas.com>
16511 * config/m68k/m68k.md: Add Coldfire FPU support.
16512 Define FP mode macro and associated attributes.
16513 Use it for float mode patterns.
16514 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16515 (LIBCALL_VALUE): Use m68k_libcall_value.
16516 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16517 (m68k_function_value): Ditto.
16518 (emit_move_sequence): Ditto.
16519 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16520 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16521 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16522 (MULTILIB_EXCEPTIONS): Ditto.
16523 * config/m68k/m68k.opt: Add mcfv4e.
16524 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16525 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16526 (m68k_output_function_prologue): Save ColdFire FPU registers.
16527 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16528 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16529 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16530 ColdFire FPU registers.
16531 (m68k_libcall_value, m68k_function_value): New functions.
16532 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16533 (LIBCALL_VALUE): Use m68k_libcall_value.
16534 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16535 (MASK_COLDFIRE): Add MASK_CFV4E.
16536 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16537 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16538 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16539 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16540 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16541 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16542 * doc/invoke.tex: Document -mcfv4e on m68k.
16544 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16546 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16549 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16552 * c-opts.c (c_common_handle_option): Don't include
16553 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16554 * doc/invoke.texi (C++ Dialect Options): Document that
16555 -Wnon-virtual-dtor is no longer included in -Wall.
16557 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16559 * gcov.c (print_version), gcov-dump.c (print_version),
16560 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16563 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16565 * df-scan.c (problem_SCAN): Added NULL reset function.
16566 (df_scan_reset_blocks): Added code to call reset block function
16567 (df_bb_refs_delete) Fixed comment.
16568 (df_insn_refs_delete): Made tolerant of deleting non existent info
16569 for dataflow problems that need to be reset.
16570 * df-core.c (df_set_blocks): Ditto.
16571 * df.h (struct df_problem): Added reset_fun.
16572 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16573 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16574 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16575 functions to clear out all references to def-use or use-def chains.
16577 2006-01-21 Ben Elliston <bje@au.ibm.com>
16579 * varasm.c (assemble_real): Initialise data array.
16581 2006-01-20 Paul Brook <paul@codesourcery.com>
16583 Merge from csl-arm-branch.
16584 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16585 * config/arm/arm.md (movdi): Force operands[1] to a register
16586 if we have a non-register source.
16587 (*arm_movdi, *movdf_soft_insn): Require that one of the
16588 operands be a register.
16589 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16590 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16592 2006-01-20 DJ Delorie <dj@redhat.com>
16594 * varasm.c (initializer_constant_valid_p): Allow pointers
16595 initialized from integer constants of lesser precision.
16596 (output_constant): Allow non-int-sized pointer modes to be
16597 initialized from integer constants.
16599 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16602 * cppdefault.h (struct default_include): Add multilib flag.
16603 * cppdefault.c (cpp_include_defaults): Set it.
16604 * c.opt (-imultilib): New option.
16605 * c-opts.c (imultilib): New.
16606 (c_common_handle_option): Handle -imultilib.
16607 (c_common_post_options): Likewise.
16608 * c-incpath.c (add_standard_paths, register_include_chains):
16610 * c-incpath.h (register_include_chains): Add extra parameter.
16611 * gcc.c (do_spec_1): Generate -imultilib option.
16612 (The Specs Language): Update %I description.
16613 (process_command): Update copyright notice.
16614 * doc/cppopts.texi (-imultilib): Document.
16615 * doc/invoke.texi (-imultilib): Include in option summary.
16616 (%I): Update specs documentation.
16618 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16620 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16622 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16624 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16627 2006-01-20 Richard Guenther <rguenther@suse.de>
16628 Steven Bosscher <stevenb.gcc@gmail.com>
16630 PR rtl-optimization/24626
16631 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16632 EDGE_TRUE_VALUE if in RTL mode.
16635 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16636 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16638 2006-01-20 Dirk Mueller <dmueller@suse.com>
16641 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16642 instead of a special NOP marker.
16643 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16644 NOP marker handling.
16645 * c-common.h (empty_body_warning): Add forward declaration.
16646 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16647 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16649 2006-01-20 Paul Brook <paul@codesourcery.com>
16651 * Makefile.in (lang_checks): Keep going if mkdir fails.
16653 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16655 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16656 be able to clean out basic block when not necessary.
16657 (df_scan_free): Fixed to properly delete information if df is
16658 unused before calling df_finish.
16659 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16660 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16662 (df_bb_refs_delete): New function.
16663 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16664 * df-core.c (df_set_blocks): Added code to properly clean out
16665 unused blocks if they are not part of the blocks to consider.
16666 Added additional null check.
16667 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16668 be able to clean out basic block when not necessary
16669 * df.h (df_free_bb_function): Ditto.
16670 (df_bb_refs_delete): New function.
16671 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16672 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16673 basic block parameter to be able to clean out basic block when not
16675 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16676 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16677 Fixed to properly delete information if df is unused before
16680 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16682 PR rtl-optimization/25799
16683 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16684 Corrected confluence operator to remove bits from op2 before oring
16685 with op1 rather than removing bits from op1.
16686 (df_ru_transfer_function): Corrected test on wrong bitmap which
16687 caused infinite loop. Both of these problems were introduced in
16688 the dataflow rewrite.
16690 2006-01-19 DJ Delorie <dj@redhat.com>
16692 * reload1.c (find_reload_regs): Note the details of reload
16693 failures in the dump file.
16694 (spill_failure): Likewise.
16696 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16698 * loop-iv.c: Include df.h and hashtab.h.
16699 (enum iv_grd_result): New enum.
16700 (DF_REF_IV, DF_REF_IV_SET): New macros.
16701 (struct biv_entry): New.
16702 (df, bivs): New global variables.
16703 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16704 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16706 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16707 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16708 analyzed_for_bivness_p, record_biv): New functions.
16709 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16710 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16711 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16713 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16715 (iv_number_of_iterations): Use new interface to iv analysis.
16716 * loop-unroll.c: Do not include varray.h.
16717 (analyze_iv_to_split_insn): Use new interface to iv
16719 * loop-unswitch.c (may_unswitch_on): Ditto.
16720 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16722 (df_bb_modify): Realloc tables to the new index.
16723 (df_find_use): New function.
16724 * df.h (df_find_use): Declare.
16725 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16727 * cfgloop.h (struct rtx_iv): Remove analysed field.
16728 (iv_get_reaching_def): Removed.
16729 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16730 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16731 (loop-iv.o): Add df.h and hashtab.h dependency.
16732 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16734 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16737 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16739 (__floatundisf, __floatundidf): Likewise.
16740 * libgcc2.h (IS_IBM_EXTENDED): Define.
16742 2006-01-19 DJ Delorie <dj@redhat.com>
16744 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16746 2006-01-19 Paul Brook <paul@codesourcery.com>
16748 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16749 as nothrow when unwinding tables are disabled.
16751 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16754 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16755 of bit-field" when in system header.
16757 2006-01-19 DJ Delorie <dj@redhat.com>
16759 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16760 the 16 bit shift limit of the m16c.
16762 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16765 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16766 * config/i386/i386.c (output_set_got): Output the label if we have one
16767 for the TARGET_DEEP_BRANCH_PREDICTION case.
16769 2006-01-19 Jan Hubicka <jh@suse.cz>
16770 H.J. Lu <hongjiu.lu@intel.com>
16771 Evandro Menezes <evandro.menezes@amd.com>
16773 * invoke.texi (generic): Document
16775 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16776 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16777 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16778 (x86_use_incdec, x86_pad_returns): New variables
16779 (TARGET_CPU_DEFAULT_generic): New constant
16780 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16781 (enum processor_type): Add generic32 and generic64.
16782 * i386.md (cpu attribute): Add generic32/generic64
16783 (movhi splitter): Behave sanely when both partial_reg_dependency and
16784 partial_reg_stall are set.
16785 (K8 splitters): Enable for generic as well.
16786 * predicates.md (incdec_operand): Use TARGET_INCDEC
16787 (aligned_operand): Avoid memory mismatch stalls.
16788 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16789 * ppro.md: Enable for generic32
16790 * i386.c (generic64_cost, generic32_cost): New.
16791 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16792 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16793 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16794 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16795 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16796 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16797 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16798 x86_accumulate_outgoing_args, x86_prologue_using_move,
16799 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16800 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16801 Enable for generic.
16802 (x86_use_incdec, x86_pad_returns): New.
16803 (override_options): Add generic32 and generic64, translate "generic"
16804 to generic32/generic64 and "i686" to "generic32", refuse
16805 "generic32"/"generic64" as arch target.
16806 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16807 (ix86_reorg): Honor PAD_RETURNS.
16809 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16811 * tree-pretty-print.c (dump_generic_node): Handle
16812 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16813 * cgraph.c (cgraph_expand_queue): Rename from
16814 cgraph_analyze_queue. Update all users.
16815 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16816 cgraph_expand_queue.
16817 (cgraph_expand_all_functions): Likewise.
16818 (cgraph_finalize_pending_functions): Remove. Update callers.
16820 * tree.h (OMP_DIRECTIVE_P): Define.
16821 (OMP_PARALLEL_FN): Define.
16822 (OMP_PARALLEL_DATA_ARG): Define.
16823 (OMP_SECTIONS_SECTIONS): Define.
16824 * tree-pass.h (pass_expand_omp): Declare.
16825 * omp-low.c (struct omp_region): Declare.
16826 (struct omp_context): Remove fields 'parallel_type',
16827 'parallel_start_ix' and 'parallel_start_additional_args'.
16829 (struct omp_for_data): Rename from struct expand_omp_for_data.
16830 (omp_regions): New static variable.
16831 (root_omp_region): New static variable.
16832 (find_omp_clause): Make static.
16833 (is_in_combined_parallel_ctx): Remove.
16834 (is_combined_parallel): New.
16835 (extract_omp_for_data): Move earlier in the file.
16836 (workshare_safe_to_combine_p): New.
16837 (get_ws_args_for): New.
16838 (determine_parallel_type): Move earlier in the file.
16839 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16841 (omp_copy_decl): Likewise.
16842 (create_omp_child_function): Likewise.
16843 (lookup_omp_region): New.
16844 (dump_omp_region): New.
16845 (debug_omp_region): New.
16846 (debug_all_omp_regions): New.
16847 (new_omp_region): New.
16848 (scan_omp_parallel): If parallel_nesting_level > 1, the
16849 directive is nested within another parallel directive.
16850 Set OMP_PARALLEL_FN.
16851 (scan_omp_for): Do not try to handle combined parallel+for
16853 Remove FIXME comment.
16854 (scan_omp_nested): Remove.
16855 (scan_omp_1): Do not call scan_omp_nested when
16856 parallel_nesting_level is > 1.
16857 Do not change the DECL_CONTEXT of local variables found.
16858 (lookup_decl_in_outer_ctx): New.
16859 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16860 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16861 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16862 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16863 If CTX is nested, lookup VAR in the outer context when
16864 building copy assignment.
16865 (lower_send_clauses): Rename from expand_send_clauses.
16866 If CTX is nested, lookup VAR in the outer context when
16867 building copy assignments.
16868 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16869 If CTX is nested, lookup VAR in the outer context when
16870 building copy assignments.
16871 (expand_parallel_call): Rename from build_parallel_call.
16872 Handle combined parallel+workshare cases.
16873 Re-implement to emit code into the CFG.
16875 (expand_omp_parallel): Re-implement to emit code into the CFG.
16876 Call move_sese_region_to_fn to outline the sub-graph
16877 containing the parallel region.
16878 (expand_omp_for_1): Remove.
16879 (expand_omp_for_generic): Re-implement to emit code into the
16881 (expand_omp_for_static_nochunk): Likewise.
16882 (expand_omp_for_static_chunk): Likewise.
16883 (expand_omp_for): Likewise.
16884 (expand_omp_sections): Likewise.
16885 (remove_exit_barriers): New.
16886 (expand_omp_synch): New.
16888 (build_omp_regions_1): New.
16889 (build_omp_regions): New.
16890 (execute_expand_omp): New.
16891 (gate_expand_omp): New.
16892 (pass_expand_omp): Define.
16893 (lower_omp_sections): Rename from expand_omp_sections.
16894 Set OMP_SECTIONS_SECTIONS.
16895 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16896 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16897 (lower_omp_single): Rename from expand_omp_simple.
16898 (lower_omp_master): Rename from expand_omp_master.
16899 (lower_omp_ordered): Rename from expand_omp_ordered.
16900 (lower_omp_critical): Rename from expand_omp_critical.
16901 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16902 (lower_omp_for): Re-implement.
16903 (lower_omp_parallel): Re-implement.
16904 (lower_regimplify): Rename from expand_regimplify.
16905 (lower_omp_1): Rename from expand_omp_1.
16906 If there are syntax errors in the program, replace every
16907 OpenMP directive with NOP.
16908 Call lower_omp_* instead of expand_omp_*.
16909 (lower_omp): Rename from expand_omp.
16911 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16912 * tree-gimple.h (enum omp_parallel_type): Remove.
16913 (gimple_boolify): Declare extern.
16914 (find_omp_clause, determine_parallel_type): Remove.
16916 * gimple-low.c (lower_omp_directive): New.
16917 (lower_stmt): Call it.
16918 (record_vars_into): Move from ...
16919 (record_vars): ... here.
16920 Call record_vars_into with current_function_decl.
16922 * gimplify.c (struct gimplify_ctx): Remove fields
16923 combined_pre_p and combined_ctxp. Update users.
16924 (get_formal_tmp_var): Add documentation.
16925 (gimple_boolify): Make extern.
16926 (gimplify_expr_in_ctx): Remove. Update callers.
16927 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16928 will always be a BIND_EXPR.
16929 (gimplify_expr): Handle OMP_RETURN_EXPR.
16930 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16931 (OMP_PARALLEL): Add 3 operands.
16932 (OMP_SECTIONS): Add 1 operand.
16933 (OMP_RETURN_EXPR): Define.
16935 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16936 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16937 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16938 creating a circular free list.
16939 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16941 * tree-flow.h (move_sese_region_to_fn): Declare.
16942 (record_vars_into): Declare.
16943 * tree-cfg.c (make_omp_sections_edges): New.
16944 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16945 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16946 OMP_SECTIONS and OMP_SECTION.
16947 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16948 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16949 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16950 (gather_blocks_in_sese_region): New.
16951 (struct move_stmt_d): Declare.
16952 (move_stmt_r): New.
16953 (move_block_to_fn): New.
16954 (move_sese_region_to_fn): New.
16956 * passes.c (init_optimization_passes): Schedule
16957 pass_expand_omp after pass_init_datastructures.
16959 * tree-ssa-operands.c (get_expr_operands): Handle
16960 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16961 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16963 2006-01-19 Jeff Law <law@redhat.com>
16965 * tree-vrp.c (extract_range_from_assert): Refine the result range
16966 if the variable referenced by the ASSERT_EXPR has a range and
16967 either the tentative result range or the previous range is a
16970 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16972 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16974 2006-01-19 Jan Hubicka <jh@suse.cz>
16976 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16978 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16980 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16981 (expand_compound_operation, expand_field_assignment): Fail if the
16982 bit lengths of an extract operation are out of range.
16983 (make_extraction): Compute wanted_inner_mode based on the position
16984 and length of the extraction. Make it extraction_mode for non-constant
16985 positions, and do not modify offset in that case. When generating a
16986 new MEM, use a mode that can hold the extraction while keeping correct
16987 alignment. Remove code that supported MEMs wrapped by USEs.
16988 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16990 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16992 * config/s390/s390.md ("Y", "y"): New mode attribute.
16993 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16994 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16995 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16996 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16997 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16998 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16999 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17000 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17001 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17002 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17003 "addsi3", "subsi3"): Insn patterns removed.
17004 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17005 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17006 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17007 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17008 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17009 "*sub<mode>3_cconly2"): New insn patterns.
17010 ("addsi3", "subsi3"): New expanders.
17012 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17014 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17015 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17016 existing STMT_VINFO_VECTYPE if available.
17017 (vect_mark_relevant): Add special handling for stmts that are
17018 marked as STMT_VINFO_IN_PATTERN_P.
17019 (vect_analyze_loop): Call vect_pattern_recog.
17020 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17021 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17023 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17024 (vect_recog_func_ptr): New function-pointer type.
17025 * tree-vect-patterns.c: New file.
17026 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17027 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17028 (vect_pattern_recog_1): New functions.
17029 (vect_pattern_recog_funcs): New array of function pointers.
17031 * tree-vectorizer.h (ternary_op): New enum value.
17032 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17033 declaration. Revised documentation. Removed redundant dump prints.
17034 Removed redundant argument. Added support for reduction patterns.
17035 (vectorizable_reduction): Added support for reduction patterns.
17036 (vect_transform_stmt): Added support for patterns.
17038 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17039 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17040 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17041 (expand_widen_pattern_expr): New function.
17042 (init_optabs): Initialize new optabs udot_prod_optab,
17044 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17045 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17046 (expand_widen_pattern_expr): New function declaration.
17047 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17049 * tree-inline.c (estimate_num_insns_1): Added cases for new
17050 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17051 * tree-pretty-print.c (dump_generic_node): Likewise.
17052 (op_prio): Likewise.
17053 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17054 * tree-ssa-operands.c (get_expr_operands): Added case for
17056 * tree-vect-patterns.c (widened_name_p): New function.
17057 (vect_recog_dot_prod_pattern): Added function implementation.
17058 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17059 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17060 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17061 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17063 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17064 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17065 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17066 (init_optabs): Initialize new optabs widen_ssum_optab,
17068 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17069 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17070 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17071 use instead of type of def.
17072 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17073 function implementation.
17074 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17075 widen_ssumv8hi): New.
17077 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17080 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17083 * c-decl.c (add_flexible_array_elts_to_size): New function.
17084 (finish_decl): Use it.
17086 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17088 * diagnostic.h: Include options.h.
17089 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17090 dependancies for diagnostic.h.
17091 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17093 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17095 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17096 (ssa_ro_call_cache_valid): Ditto.
17097 * tree-ssa-alias.c (sort_tags_by_id): New function.
17098 (init_transitive_clobber_worklist): Ditto.
17099 (add_to_worklist): Ditto.
17100 (mark_aliases_call_clobbered): Ditto.
17101 (compute_tag_properties): Ditto.
17102 (set_initial_properties): Ditto.
17103 (compute_call_clobbered): Ditto.
17104 (compute_may_aliases): Call compute_call_clobbered and grouping.
17105 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17106 (compute_flow_insensitive_aliasing): Grouping now happens in our
17108 (setup_pointers_and_addressables): Remove clobbering related code.
17109 (add_may_alias): Ditto.
17110 (replace_may_alias): Ditto.
17111 (get_nmt_for): Ditto.
17112 (create_global_var):
17113 (is_escape_site): Return an escape_type enumeration.
17114 * tree-flow-inline.h (is_call_clobbered): Global var does not
17115 imply call clobbered.
17116 (mark_call_clobbered): Take a reason for marking this. Remove
17117 marking of globalness, and cache invalidation.
17118 (clear_call_clobbered): Remove cache invalidation code.
17119 * tree-dfa.c (dump_variable): If details is on, dump the reason
17121 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17123 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17124 (struct var_ann_d): Ditto.
17125 (enum escape_type): New.
17126 (mark_call_clobbered): Adjust prototype.
17127 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17128 are never call clobbered.
17129 Record reasons for escaping.
17130 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17131 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17132 (ssa_ro_call_cache_valid): Ditto.
17133 (clobbered_v_may_defs): Ditto.
17134 (clobbered_vuses): Ditto.
17135 (ro_call_vuses): Ditto.
17136 (clobber_stats): New.
17137 (init_ssa_operands): Zero out clobber stats.
17138 (fini_ssa_operands): Print out clobber stats.
17139 (get_call_expr_operands): Pass callee fndecl to
17140 add_call_read_ops).
17141 (add_call_clobber_ops): Remove use of cache.
17142 Add use of PURE_CONST information.
17143 (add_call_read_ops): Remove use of cache.
17144 Add use of static not_read information.
17146 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17148 Introduce TLS descriptors for i386 and x86_64.
17149 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17150 (TARGET_ANY_GNU_TLS): New macro.
17151 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17152 (struct machine_function): Add tls_descriptor_call_expanded_p.
17153 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17154 (ix86_current_function_calls_tls_descriptor): Likewise.
17155 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17156 (override_options): Introduce gnu2 tls dialect.
17157 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17159 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17161 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17162 (ix86_init_machine_status): Initialize new field.
17163 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17164 (ix86_tls_module_base): New.
17165 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17166 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17167 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17168 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17169 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17170 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17171 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17172 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17173 * config/i386/predicates.md (tls_modbase_operand): New.
17174 (tp_or_register_operand): New.
17176 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17178 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17179 (look_for_address_of): Ditto.
17180 (ipa_init): Walk the function decls.
17181 (static_execute): Don't set readonly on FUNCTION_DECL's.
17183 2006-01-18 Roger Sayle <roger@eyesopen.com>
17185 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17186 for shifts where the source and destination registers are different.
17188 2006-01-18 Paul Brook <paul@codesourcery.com>
17190 Merge from csl-arm-branch.
17191 2005-03-14 Julian Brown <julian@codesourcery.com>
17192 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17193 (aeabi_llsl): Likewise.
17194 (ashrdi3): Likewise.
17195 (aeabi_lasr): Likewise.
17196 (lshrdi3): Likewise.
17197 (aeabi_llsr): Likewise.
17198 2005-03-10 Julian Brown <julian@codesourcery.com>
17199 * config.gcc: Disable shared libgcc for SymbianOS.
17200 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17202 2006-01-18 DJ Delorie <dj@redhat.com>
17204 * c-pragma.c (handle_pragma_diagnostic): New.
17205 (init_pragma): Register it.
17206 * doc/extend.texi: Document it.
17208 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17209 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17210 (diagnostic_context): Add classify_diagnostic[].
17211 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17212 as errors if they're overridden to DK_WARNING.
17213 (diagnostic_initialize): Initialize classify_diagnostic[].
17214 (diagnostic_set_kind_override): New.
17215 (diagnostic_report_diagnostic): Check for kind changes.
17216 * opts.c (common_handle_option): Take lang_mask. Update callers.
17217 Handle OPT_Werror_.
17218 * common.opt (Werror=): New.
17219 * doc/invoke.texi: Document -Werror=*
17221 2006-01-18 Jeff Law <law@redhat.com>
17223 * tree-vrp.c (test_for_singularity): Correct test for new
17224 min limit. Use operand_equal_p rather than pointer equality
17225 for testing if new min/max values are equal.
17227 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17228 using range information until after propagation and folding.
17230 2006-01-18 Richard Henderson <rth@redhat.com>
17231 Aldy Hernandez <aldyh@redhat.com>
17232 Jakub Jelinek <jakub@redhat.com>
17233 Diego Novillo <dnovillo@redhat.com>
17235 * omp-low.c: New file.
17236 * c-omp.c: New file.
17238 2006-01-18 Richard Henderson <rth@redhat.com>
17239 Jakub Jelinek <jakub@redhat.com>
17240 Diego Novillo <dnovillo@redhat.com>
17242 * doc/invoke.texi: Document -fopenmp.
17243 * tree-dump.h (debug_function): Declare.
17244 * hooks.c (hook_bool_tree_bool_false): New function.
17245 (hook_tree_tree_null): Remove.
17246 (hook_tree_tree_tree_null): New.
17247 * hooks.h: Update to match.
17248 * tree-pretty-print.c (debug_tree_chain): New.
17249 (print_generic_expr): Handle TDF_CHAIN.
17250 (dump_generic_node): Handle BLOCK.
17251 Do not abort with incomplete SWITCH_EXPRs.
17252 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17253 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17254 print space after directive name.
17255 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17256 Handle OMP_MASTER and OMP_ORDERED.
17257 Handle printing of OMP_BODY just in one place, goto
17258 dump_omp_body in the rest of OMP_* nodes that have
17260 Don't handle clause nodes here. Update omp statements to
17261 use dump_omp_clauses.
17262 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17263 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17264 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17265 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17266 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17267 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17268 Adjust output for GOMP_PARALLEL.
17269 (dump_omp_clauses): New.
17270 (print_declaration): Dump DECL_VALUE_EXPR.
17271 (op_symbol_1): Split out of op_symbol.
17272 (dumping_stmts): Remove. Update all users.
17273 * cgraph.c (cgraph_analyze_queue): New.
17274 (cgraph_add_new_function): New.
17275 * cgraph.h (cgraph_analyze_queue): Declare.
17276 (cgraph_add_new_function): Declare.
17277 (cgraph_lower_function): Remove.
17278 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17279 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17280 and TYPE_P nodes in its default clause.
17281 (empty_body_p): New.
17282 (tree_range_check_failed): New.
17283 (build5_stat): New.
17284 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17285 OMP_CLAUSE_REDUCTION_MERGE,
17286 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17287 OMP_CLAUSE_PRIVATE_DEBUG,
17288 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17289 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17290 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17291 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17292 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17293 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17294 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17295 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17296 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17297 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17298 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17299 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17300 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17301 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17302 (TREE_RANGE_CHECK): New.
17303 (empty_body_p): Declare.
17304 (enum omp_clause_default_kind): New.
17305 (build_string_literal): Declare.
17306 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17307 (build5_stat, build5): Declare.
17308 * tree-pass.h (TDF_CHAIN): Define.
17309 * tree-pass.h (PROP_gimple_lomp): Define.
17310 (pass_lower_omp): Declare.
17311 * diagnostic.h (debug_tree_chain): Declare.
17312 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17314 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17315 * builtins.c (build_string_literal): Make extern.
17316 * gcc.c (include_spec_function): New.
17317 (static_spec_functions): Add it.
17318 (main): Move load of libgomp.spec ...
17319 (LINK_COMMAND_SPEC): ... here.
17320 (link_gomp_spec): New.
17321 (static_specs): Include it.
17322 (LINK_COMMAND_SPEC): Add link_gomp.
17323 (GOMP_SELF_SPECS): New.
17324 (driver_self_specs): Include it.
17325 (switch_matches): Don't mark inline.
17326 (main): Load libgomp.spec.
17327 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17328 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17329 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17330 * tree-gimple.h (enum omp_parallel): Declare.
17331 (determine_parallel_type): Declare.
17332 (omp_firstprivatize_variable): Declare.
17333 (omp_reduction_init): Declare.
17334 (diagnose_omp_structured_block_errors): Declare.
17335 (struct walk_stmt_info): Add want_return_expr.
17336 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17337 (find_omp_clause): Declare.
17338 (insert_field_into_struct): Declare.
17339 (struct walk_stmt_info): Move from tree-nested.c
17340 (walk_stmts): Declare.
17341 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17343 * cgraphunit.c (cgraph_lower_function): Make static.
17344 (cgraph_finalize_pending_functions): New.
17345 (cgraph_finalize_function): Call it.
17346 (cgraph_finalize_compilation_unit): Likewise.
17347 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17348 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17349 (BT_FN_UINT_UINT): New.
17350 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17351 DEF_FUNCTION_TYPE_VAR_4): Document.
17352 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17353 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17354 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17355 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17356 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17357 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17358 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17359 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17360 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17361 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17362 into separate files.
17363 (DEF_GOMP_BUILTIN): New.
17364 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17365 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17366 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17367 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17368 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17369 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17370 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17371 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17372 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17373 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17374 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17375 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17376 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17377 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17378 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17379 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17380 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17381 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17382 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17383 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17384 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17385 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17386 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17387 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17388 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17389 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17390 * sync-builtins.def: New file, moved from builtins.def.
17391 * omp-builtins.def: New file, moved from builtins.def.
17392 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17393 * gimple-low.c (lower_function_body): Clear data.
17394 (lower_stmt): Do not handle COMPOUND_EXPR.
17395 Remove call to print_node_brief.
17396 * c-tree.h (c_finish_omp_clauses): New prototype.
17397 (C_DECL_THREADPRIVATE_P): Define.
17398 (lookup_name_no_remap, c_omp_remap_private): Remove
17399 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17400 (check_for_loop_decls): Update decl.
17401 (lookup_name_no_remap, c_omp_remap_private): Declare.
17402 (build_indirect_ref, build_modify_expr, pushdecl,
17403 pushdecl_top_level): Move to c-common.h.
17404 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17405 before the switch, but just in the 2 places that need it.
17406 * c-decl.c (diagnose_mismatched_decls): Do not check for
17407 mismatched thread-local attributes when OLDDECL is marked
17408 threadprivate and NEWDECL has no thread-local attributes.
17409 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17410 (c_gimple_diagnostics_recursively): Rename from
17411 c_warn_unused_result_recursively. Invoke
17412 diagnose_omp_structured_block_errors.
17413 (check_for_loop_decls): Return a singular decl found.
17414 * langhooks.c (lhd_omp_predetermined_sharing): Return
17415 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17416 (lhd_omp_firstprivatize_type_sizes): New.
17417 (lhd_omp_assignment): New.
17418 (lhd_omp_predetermined_sharing): New.
17419 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17420 (struct lang_hooks_for_types): Add
17421 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17422 omp_predetermined_sharing, omp_disregard_value_expr,
17423 omp_private_debug_clause, omp_clause_default_ctor,
17424 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17425 (c_finish_omp_clauses): New.
17426 (c_finish_bc_stmt): Diagnose break within omp for.
17427 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17428 (build_unary_op): Return error_mark after reporting
17430 (build_modify_expr): Likewise.
17431 * gimplify.c: Include optabs.h and pointer-set.h.
17432 (enum gimplify_omp_var_data): Declare.
17433 (struct gimplify_omp_ctx): Declare.
17434 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17436 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17437 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17438 (splay_tree_compare_decl_uid): New.
17439 (new_omp_context): New.
17440 (delete_omp_context): New.
17441 (gimple_add_tmp_var): Call omp_add_variable.
17442 (gimplify_bind_expr): Likewise.
17443 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17444 true, disregard DECL_VALUE_EXPR on the decl if any.
17445 (gimplify_expr_in_ctx): New.
17446 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17447 omp_add_variable, omp_notice_variable, omp_is_private
17448 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17449 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17450 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17451 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17452 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17453 gimplify_omp_atomic): New.
17454 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17455 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17456 OMP_CRITICAL and OMP_ATOMIC.
17457 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17458 * c-pragma.h (enum pragma_kind): Add
17459 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17460 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17461 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17462 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17463 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17464 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17465 PRAGMA_OMP_THREADPRIVATE.
17466 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17467 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17468 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17469 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17470 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17471 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17472 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17473 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17474 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17475 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17476 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17477 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17478 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17480 (struct nesting_info): Add field_map,
17481 suppress_expansion, debug_var_chain.
17482 (create_nesting_tree): Initialize them.
17483 (lookup_field_for_decl): Use field_map.
17484 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17485 (convert_local_omp_clauses): New.
17486 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17487 (walk_body): Split out of walk_function.
17488 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17489 (convert_nonlocal_reference): Handle omp statements.
17490 (convert_local_reference): Likewise.
17491 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17492 (unnest_nesting_tree): New.
17493 (lower_nested_functions): Call it.
17494 (insert_field_into_struct): Make extern.
17495 (struct walk_stmt_info): Move to tree-gimple.h.
17496 (walk_stmts): Make extern.
17497 * omp-builtins.def: New file.
17498 * tree-iterator.c (expr_only): Clarify comment.
17499 * c-common.h (pushdecl_top_level, pushdecl,
17500 build_modify_expr, build_indirect_ref,
17501 c_finish_omp_master, c_finish_omp_critical,
17502 c_finish_omp_ordered, c_finish_omp_barrier,
17503 c_finish_omp_atomic, c_finish_omp_flush,
17504 c_finish_omp_for, c_split_parallel_clauses,
17505 omp_clause_default_kind, c_omp_sharing_predetermined,
17506 c_omp_remap_decl): Declare.
17507 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17508 (OBJS-common): Add omp-low.o.
17509 (c-omp.o, omp-low.o): Add.
17510 (gimplify.o): Add dependency on $(OPTABS_H).
17511 (GTFILES): Add omp-low.c.
17512 (gt-stringpool.h): Add.
17513 * tree-cfg.c (set_bb_for_stmt): Do not update the
17514 block-to-labels map if we are currently expanding to RTL.
17515 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17517 Handle IDENTIFIER_NODE.
17518 (tree_verify_flow_info): Do not ICE when emitting error
17519 messages about invalid labels.
17520 (dump_function_to_file): Reset CFUN before emitting the body
17522 (debug_function): New.
17523 * passes.c (init_optimization_passes): Schedule
17525 * langhooks-def.h (lhd_omp_predetermined_sharing,
17526 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17528 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17529 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17530 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17531 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17532 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17533 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17534 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17535 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17536 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17537 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17538 (LANG_HOOK_DECLS): Use them.
17540 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17541 Richard Henderson <rth@redhat.com>
17542 Jakub Jelinek <jakub@redhat.com>
17543 Diego Novillo <dnovillo@redhat.com>
17545 * c-parser.c (pragma_omp_clause): Define.
17546 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17547 (c_parser_compound_statement): Likewise.
17548 (c_parser_statement): Likewise.
17549 (c_parser_pragma): Handle omp pragmas.
17550 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17551 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17552 (c_parser_omp_clause_name, check_no_duplicate_clause,
17553 c_parser_omp_variable_list,
17554 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17555 c_parser_omp_clause_copyprivate,
17556 c_parser_omp_clause_default,
17557 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17558 c_parser_omp_clause_lastprivate,
17559 c_parser_omp_clause_nowait,
17560 c_parser_omp_clause_num_threads,
17561 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17562 c_parser_omp_clause_reduction,
17563 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17564 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17565 c_parser_omp_atomic, c_parser_omp_barrier,
17566 c_parser_omp_critical, c_parser_omp_flush,
17567 c_parser_omp_for_loop, c_parser_omp_for,
17568 c_parser_omp_master, c_parser_omp_ordered,
17569 c_parser_omp_sections_scope, c_parser_omp_sections,
17570 c_parser_omp_parallel, c_parser_omp_single,
17571 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17572 * c-pragma.c (init_pragma): Do omp pragma registration here.
17573 * c.opt (fopenmp): New flag.
17575 2006-01-18 Eric Christopher <echristo@apple.com>
17577 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17578 * config/darwin.h (GOMP_SELF_SPECS): Define.
17580 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17582 * rtl.h: Remove the prototype for reg_alloc.
17584 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17587 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17588 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17589 sjlj and dwarf2 exception handling.
17590 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17591 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17592 * pa/pa.c (function_value): Treat complex and vector types as
17594 (function_arg): Likewise. Only pass scalar floats in the floating
17595 point argument registers.
17596 * pa/t-slibgcc-dwarf-ver: New file.
17597 * pa/t-slibgcc-sjlj-ver: New file.
17598 * pa/t-slibgcc-elf-ver: Delete file.
17600 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17602 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17603 unlikely_test_section_p test.
17605 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17607 * mode-switching.c (optimize_mode_switching): Make it static.
17608 * basic-block.h: Remove the prototype for
17609 optimize_mode_switching.
17611 * modulo-sched.c (sms_schedule): Make it static.
17612 * rtl.h: Remove the prototype for sms_schedule.
17614 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17615 * rtl.h: Remove the prototype for gcse_after_reload_main.
17617 * reg-stack.c (reg_to_stack): Make it static.
17618 * rtl.h: Remove the prototype for reg_to_stack.
17620 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17622 * rtl.h: Remove the prototypes for regrename_optimize and
17623 copyprop_hardreg_forward.
17625 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17627 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17628 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17629 Test against the appropriate null constant for the mode.
17630 If 'fixup_overlap' is true, swap the operands if they overlap.
17631 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17632 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17633 alpha_split_tmode_pair and adjust for above change.
17634 * config/alpha/alpha.md (movtf_internal): Adjust call to
17635 alpha_split_tfmode_pair and rely on it to swap the operands.
17636 (movti_internal): New insn and post-reload splitter.
17637 (movti): New expander.
17639 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17641 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17644 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17646 * rtlanal.c (global_reg_mentioned_p_1,
17647 global_reg_mentioned_p): Remove.
17648 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17650 * flow.c (initialize_uninitialized_subregs): Make it static.
17651 * rtl.h: Remove the prototype for
17652 initialize_uninitialized_subregs.
17654 * function.c (instantiate_virtual_regs): Make it static.
17655 * function.h: Remove the prototype for
17656 instantiate_virtual_regs.
17658 * regmove.c (regmove_optimize, combine_stack_adjustments):
17660 * rtl.h: Remove the prototypes for regmove_optimize and
17661 combine_stack_adjustments.
17663 2006-01-17 Roger Sayle <roger@eyesopen.com>
17665 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17666 (size_cost): Encode costs in bytes so that a reg-reg addition is
17667 equivalent to COSTS_N_INSNS(1).
17668 (override_options): Use the size_cost.branch_cost as the default
17669 ix86_branch_cost when optimizing for size.
17671 2006-01-18 Ben Elliston <bje@au.ibm.com>
17673 * Makefile.in (D32PBIT_FUNCS): New.
17674 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17675 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17676 D64PBIT_FUNCS and D128PBIT_FUNCS.
17677 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17678 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17680 (decnumber_dep): Define.
17681 * doc/libgcc.texi (Decimal float library routines): New node.
17682 * config/dfp-bit.h, config/dfp-bit.c: New files.
17684 2006-01-18 Ben Elliston <bje@au.ibm.com>
17686 * expr.c (emit_move_change_mode): Always adjust addresses, not
17687 just during reload. Copy replacements only during reload.
17688 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17689 emit_move_via_integer.
17691 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17693 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17694 instead of $(srcdir) and ${srcdir}.
17696 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17699 PR middle-end/11135
17700 * arm.h (struct machine_function): Add pic_reg.
17701 * arm.c (arm_pic_register): Make unsigned.
17702 (arm_override_options): Only set arm_pic_register if
17703 TARGET_SINGLE_PIC_BASE.
17704 (use_return_insn): Only test for a pic register if it is fixed.
17705 (arm_compute_save_reg0_reg12_mask): Likewise.
17706 (thumb_compute_save_reg_mask): Likewise.
17707 (legitimate_pic_operand): Factor out some known invariants.
17708 (legitimize_pic_address): If we don't have a fixed pic register,
17709 then set up a pseudo in the function entry sequence. Handle the
17710 pic base being in a pseudo.
17711 (arm_load_pic_register): Handle the pic register being in a pseudo.
17712 (arm_expand_prologue): Only set up the pic register if it is fixed.
17713 (thumb_expand_prologue): Likewise.
17714 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17715 (pic_load_addr_based_insn): Likewise.
17716 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17719 2006-01-18 Ben Elliston <bje@au.ibm.com>
17721 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17722 decimal float modes for all floating point registers.
17724 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17725 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17727 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17730 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17731 even when the pointer is not NULL.
17733 2006-01-16 Ian Lance Taylor <ian@airs.com>
17735 * common.opt (ftoplevel-reorder): New option.
17736 * cgraph.c (cgraph_asm_nodes): New global variable.
17737 (cgraph_asm_last_node): New static variable.
17738 (cgraph_order): New global variable.
17739 (cgraph_create_node): Set new order field.
17740 (cgraph_varpool_node): Likewise.
17741 (decide_is_variable_needed): Return true if not
17742 flag_toplevel_reorder.
17743 (cgraph_add_asm_node): New function.
17744 * cgraph.h (struct cgraph_node): Add order field.
17745 (struct cgraph_varpool_node): Add order field.
17746 (struct cgraph_asm_node): Define.
17747 (cgraph_asm_nodes, cgraph_order): Declare.
17748 (cgraph_add_asm_node): Declare.
17749 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17751 (cgraph_varpool_assemble_pending_decls): Call it.
17752 (cgraph_output_pending_asms): New static function.
17753 (cgraph_finalize_compilation_unit): Call it.
17754 (struct cgraph_order_sort): Define.
17755 (cgraph_output_in_order): New static function.
17756 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17757 !flag_toplevel_reorder case.
17758 * c-parser.c: Include "cgraph.h".
17759 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17761 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17762 than -fno-unit-at-a-time.
17763 * doc/invoke.texi (Option Summary): Mention
17764 -fno-toplevel-reorder.
17765 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17766 -funit-at-a-time documentation.
17768 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17769 Kazu Hirata <kazu@codesourcery.com>
17771 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17773 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17775 * Makefile.in (FUNCTION_H): New. Use it instead of
17776 function.h throughout the file.
17777 * function.h: Include tree.h.
17779 2006-01-17 Ben Elliston <bje@au.ibm.com>
17781 * recog.c: Separate some functions with whitespace.
17783 2006-01-16 Richard Henderson <rth@redhat.com>
17785 Merge from gomp branch:
17786 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17787 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17788 and rename from struct inline_data. Rename callee* to dst*;
17789 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17790 transform_new_cfg, transform_return_to_modify, and
17791 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17793 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17794 (copy_decl_for_dup): Remove.
17795 * tree-inline.c (struct inline_data): Move to header.
17796 (insert_decl_map): Export.
17797 (remap_decl): Update for member name changes. Use copy_decl hook.
17798 Allow for replacement to be a non-decl. Remove dead code.
17799 (remap_type_1): Check for existing mapping.
17800 (remap_type): Export.
17801 (remap_decls): Update for member name changes.
17802 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17803 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17804 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17805 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17806 (tree_function_versioning, build_duplicate_type): Likewise.
17807 (copy_body_r): Likewise. Export.
17808 (copy_decl_for_dup): Split into ...
17809 (copy_decl_for_dup_finish, copy_decl_to_var,
17810 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17811 (replace_ref_tree, inlining_p): Remove.
17813 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17815 * ifcvt.c (if_convert): Make it static.
17816 * rtl.h: Remove the prototype for if_convert.
17818 * local-alloc.c (local_alloc): Make it static.
17819 * rtl.h: Remove the prototype for local_alloc.
17821 * loop.c (loop_optimize): Make it static.
17822 * cfgloop.h: Remove the prototype for loop_optimize.
17825 2006-01-16 DJ Delorie <dj@redhat.com>
17827 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17830 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17832 * pa.md: Disparage copies between general and floating-point registers
17833 in 32-bit move patterns.
17835 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17838 * Makefile.in (check-%): Depend on site.exp instead of
17839 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17842 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17844 * global.c (global_alloc): Make it static.
17845 * rtl.h: Remove the prototype for global_alloc.
17847 2006-01-16 Richard Guenther <rguenther@suse.de>
17849 * tree-ssa-alias.c (struct used_part): Add write_only field.
17850 (get_or_create_used_part_for): Initialize it to true.
17851 (create_overlap_variables_for): Don't create structure variables
17852 for structures that only are written to.
17853 (find_used_portions): Handle MODIFY_EXPR to track whether a
17854 structure is only written to.
17856 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17858 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17860 * basic-block.h: Remove the prototype for
17861 partition_hot_cold_basic_blocks.
17863 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17865 * cppspec.c (lang_specific_spec_functions): Remove.
17866 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17867 * gcc.h (lang_specific_spec_functions): Remove.
17868 * gccspec.c (lang_specific_spec_functions): Remove.
17870 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17872 * combine.c (record_value_for_reg): Invalidate registers
17874 (record_dead_and_set_regs_1): Likewise, by passing them to
17875 record_value_for_reg.
17876 (record_dead_and_set_regs): Invalidate stores made by a
17877 call. We do not combine across a call, but we still
17878 relied on equivalences.
17880 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17882 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17883 vrp_int_const_binop returning non-constant nodes.
17885 2006-01-16 Paul Brook <paul@codesourcery.com>
17887 * config/m68k/m68k.c (output_move_const_into_data_reg):
17888 Output correct mnemonic for mvz and mvs.
17890 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17892 * rtl-factoring.c: Add sequence abstraction algorithm.
17893 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17894 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17896 (block_has_preserve_label): New function.
17897 * common.opt: Register new pass.
17898 * Makefile.in: Ditto.
17900 * timevar.def: Ditto.
17901 * tree-pass.h: Ditto.
17902 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17903 * rtl.h (make_jump_insn_raw): Add forward decl.
17904 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17906 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17907 Roger Sayle <roger@eyesopen.com>
17909 * fold-const.c (fold_minmax): New static function.
17910 (fold_binary) <MIN_EXPR>: Call it.
17911 <MAX_EXPR>: Likewise.
17912 * stor-layout.c (place_field): Use DECL_SIZE consistently
17913 in the computation of the new record size.
17915 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17917 * cse.c (cse_condition_code_reg): Make it static.
17918 * rtl.h: Remove the prototype for cse_condition_code_reg.
17920 * combine.c (combine_instructions): Make it static.
17921 * rtl.h: Remove the prototype for combine_instructions.
17923 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17926 * tree.c (get_file_function_name_long): Concatenate the first global
17927 object name with a string derived from the input filename of the object
17930 2006-01-16 Ben Elliston <bje@au.ibm.com>
17932 * config/i386/winnt-stubs.c: Update FSF address.
17933 * config/xtensa/ieee754-df.S: Ditto.
17934 * config/xtensa/ieee754-sf.S: Ditto.
17936 2006-01-14 Ian Lance Taylor <ian@airs.com>
17938 * ifcvt.c (noce_init_if_info): New static function, broken out of
17939 noce_process_if_block.
17940 (noce_process_if_block): Call noce_init_if_info.
17941 (check_cond_move_block): New static function.
17942 (cond_move_process_if_block): New static function.
17943 (process_if_block): Call cond_move_process_if_block.
17945 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17947 * cselib.c (hash_table): Rename to cselib_hash_table.
17948 (cselib_clear_table, discard_useless_values,
17949 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17950 cselib_init, cselib_finish): Adjust uses of hash_table.
17952 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17954 PR tree-optimization/25485
17955 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17956 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17957 is known to be false and true, respectively.
17959 2006-01-14 Richard Guenther <rguenther@suse.de>
17961 PR tree-optimization/22548
17962 PR tree-optimization/22555
17963 PR tree-optimization/22501
17964 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17965 * params.def (salias-max-array-elements): New parameter.
17966 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17967 * doc/invoke.texi (salias-max-array-elements): Document.
17968 * tree-flow-inline.h (var_can_have_subvars): We also handle
17970 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17972 * tree-ssa-structalias.c (params.h): Include.
17973 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17974 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17975 (get_constraint_for): For ADDR_EXPR operating on something
17976 containing an ARRAY_REF, add all subvars to the solution.
17977 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17978 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17979 for creating MUST_DEFs.
17980 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17982 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17984 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17986 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17987 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17988 number_of_iterations_le): New functions.
17989 (number_of_iterations_special): Removed.
17990 (number_of_iterations_exit): Do not use number_of_iterations_special.
17991 * tree.c (unsigned_type_for): Always return integer type.
17993 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17994 Richard Guenther <rguenther@suse.de>
17996 PR rtl-optimization/24257
17997 * gcse.c (find_moveable_store): Only consider a store movable
17998 when the SET_SRC of the insn can be assigned to a register.
18000 2006-01-14 Ian Lance Taylor <ian@airs.com>
18002 * tree.c (tree_not_class_check_failed): New function.
18003 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18004 (tree_not_class_check_failed): Declare.
18006 2006-01-13 Ian Lance Taylor <ian@airs.com>
18008 * reload1.c (do_output_reload): Add assertion rejecting a
18011 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18013 * combine.c (struct reg_stat): Add new fields truncation_label and
18015 (record_value_for_reg): Reset truncated_to_mode.
18016 (record_truncated_value): New function.
18017 (check_promoted_subreg): Call it. Rename to check_conversions.
18018 (combine_instructions): Rename check_promoted_subreg to
18020 (reg_truncated_to_mode): New function.
18021 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18022 (gen_lowpart_or_truncate): New function.
18023 (force_to_mode): Use it instead of gen_lowpart.
18025 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18027 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18028 VAR is a tag, not its type tag.
18030 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18032 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18033 alternatives to match style of other entries.
18034 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18036 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18038 PR tree-optimization/25771
18039 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18042 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18045 * tree-inline.c (declare_return_variable): If the return variable
18046 was marked as a non gimple complex, set the return slot variable
18047 to be a non gimple comple variable.
18049 2006-01-13 Richard Guenther <rguenther@suse.de>
18051 * builtins.c (expand_builtin_sincos): New function.
18052 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18054 (expand_builtin): Expand sincos using expand_builtin_sincos.
18056 2006-01-12 DJ Delorie <dj@redhat.com>
18058 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18059 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18060 so that constant shifts can be split.
18061 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18062 (m32c_valid_pointer_mode): Make static.
18063 (shift_gen_func_for): New.
18064 (m32c_prepare_shift): Use it. Split large const shifts into
18066 * config/m32c/predicates.md (shiftcount_operand): Allow more
18068 (longshiftcount_operand): New.
18069 * doc/md.texi (Machine Constraints): Document In6.
18071 2006-01-13 Ben Elliston <bje@au.ibm.com>
18073 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18074 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18077 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18079 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18080 to try to avoid clobbering pieces of structures when we know
18081 something about the whole structure.
18082 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18084 2006-01-13 Ben Elliston <bje@au.ibm.com>
18086 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18087 return in memory, as this is no limitation is no longer present.
18089 2006-01-12 DJ Delorie <dj@redhat.com>
18091 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18092 mova with fb, and for fb+0 -> An.
18094 * config/m32c/mov.md (peephole2): Fix enabling logic.
18096 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18097 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18098 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18099 FINI_ARRAY_SECTION_ASM_OP): Define.
18101 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18103 (m32c_legitimize_reload_address): New logic to reload FB to An.
18104 (m32c_output_reg_push): Add newline.
18105 (m32c_output_reg_pop): Likewise.
18107 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18109 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18111 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18113 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18115 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18117 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18120 2006-01-11 Ben Elliston <bje@au.ibm.com>
18122 * rtlanal.c (find_reg_note): Assert insn is not null.
18124 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18126 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18129 2006-01-11 Jeff Law <law@redhat.com>
18131 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18133 (mark_threaded_blocks, register_jump_thread): New functions.
18134 (thread_through_all_blocks): Remove unwanted argument. No
18135 longer rely on e->aux to communicate thread target info.
18136 Call mark_threaded_blocks. Release the threaded_blocks
18137 bitmap and threaded_edges vector when complete.
18138 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18139 (threaded_blocks): Remove.
18140 (tree_ssa_dominator_optimize): Remove initialization and
18141 finalization of threaded_blocks. Simplify call to
18142 thread_through_all_blocks.
18143 (thread_across_edge): Call register_jump_thread rather than
18144 storing thread information into e->aux.
18145 (free_all_edge_infos): Simplify now that e->aux is no longer
18146 used to communicate with thread_through_all_blocks.
18147 * tree-flow.h (thread_through_all_blocks): Update prototype.
18148 (register_jump_thread): Prototype.
18150 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18152 * df-core.c (df_compact_blocks, df_bb_replace): Use
18153 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18155 2006-01-11 Richard Guenther <rguenther@suse.de>
18157 PR tree-optimization/25734
18158 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18159 stop propagation after successful propagation to the LHS.
18161 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18163 * basic-block.h (control_flow_graph): Change the type of
18164 x_basic_block_info to VEC(basic_block,gc) *.
18165 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18167 (SET_BASIC_BLOCK): New.
18168 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18169 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18170 * cfgbuild.c (find_basic_blocks): Likewise.
18171 * cfglayout.c (fixup_reorder_chain): Likewise.
18172 * cfgrtl.c (create_basic_block_structure,
18173 rtl_create_basic_block): Likewise.
18174 * ifcvt.c (find_if_case_1): Likewise.
18175 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18178 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18180 * Makefile.in: Removed rotted odf.c entry.
18182 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18185 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18186 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18187 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18188 output pattern modifier, not %e.
18189 * config/cris/cris.c (cris_op_str): Update comment about pattern
18191 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18192 before falling through into...
18193 <case 'E'>: Redefined from old 'e' case.
18195 2006-01-11 Jan Hubicka <jh@suse.cz>
18198 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18200 2006-01-11 Jan Hubicka <jh@suse.cz>
18202 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18203 * i386.c (x86_decompose_lea): Kill.
18204 (ix86_rtx_costs): Kill.
18206 2006-01-11 Jan Hubicka <jh@suse.cz>
18208 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18209 * cgraph.h (cgraph_node): Add inline_decl.
18210 (cgraph_insert_node_to_hashtable): Declare.
18211 (save_inline_function_body): Declare.
18212 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18214 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18215 (cgraph_function_versioning): Update call of tree_function_versioning.
18216 (save_inline_function_body): New function.
18217 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18218 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18219 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18220 (cgraph_default_inline_p): Likewise.
18221 (cgraph_decide_inlining_incrementally): Likewise.
18222 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18223 (copy_bb): Kill saving; do updating of clones.
18224 (copy_cfg_body): Kill saving.
18225 (initialize_inlined-parameters): Likewise.
18226 (expand_call_inline): Likewise.
18228 (tree_function_versioning): New parameter "update_clones".
18229 (inlining_p): Kill saving.
18230 * tree-inline.h (tree_function_versioning): Update prototype.
18231 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18234 2006-01-11 Ian Lance Taylor <ian@airs.com>
18236 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18237 Allow undoing set of machine mode.
18238 (do_SUBST): Use enums instead of is_int.
18239 (do_SUBST_MODE): New function.
18240 (SUBST_MODE): New macro.
18241 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18242 reg and trying to replace reg_regno_rtx with a new register.
18243 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18244 (simplify_set): Use SUBST_MODE.
18245 (distribute_notes): Remove code that tried to update reg notes
18246 for regno_reg_rtx changes.
18248 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18250 PR tree-optimization/23109
18251 PR tree-optimization/23948
18252 PR tree-optimization/24123
18254 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18255 * tree-cfg.c (single_noncomplex_succ): New.
18256 * tree-flow.h (single_noncomplex_succ): Declare it.
18257 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18258 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18259 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18260 insert_bb, register_division_in, insert_reciprocals,
18261 replace_reciprocal, free_bb): New.
18262 (execute_cse_reciprocals_1): Rewritten.
18263 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18264 Do not commit any edge insertion. Always compute dominators and
18265 create the allocation pool.
18266 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18267 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18268 * targhooks.c (default_min_divistions_for_recip_mul): New.
18269 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18270 * passes.c (init_optimization_passes): Run recip after tree loop
18272 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18274 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18275 Kenneth Zadeck <zadeck@naturalbridge.com>
18277 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18278 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18279 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18280 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18281 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18282 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18283 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18284 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18285 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18286 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18287 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18288 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18289 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18290 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18291 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18292 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18293 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18294 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18295 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18296 DF_SCAN_POST_ALLOC): New macros.
18297 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18298 df_free_bb_function, df_local_compute_function, df_init_function,
18299 df_dataflow_function, df_confluence_function_0,
18300 df_confluence_function_n, df_transfer_function,
18301 df_finalizer_function, df_free_function, df_dump_problem_function,
18302 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18303 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18304 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18305 df_urec_bb_info, ) New types.
18306 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18308 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18309 df_analyze_simple_change_some_blocks,
18310 df_analyze_simple_change_one_block, df_compact_blocks,
18311 df_bb_replace, df_bb_regno_last_use_find,
18312 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18313 df_insn_regno_def_p, df_find_def, df_find_use,
18314 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18315 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18316 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18317 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18318 debug_df_chain, df_get_dependent_problem, df_chain_create,
18319 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18320 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18321 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18322 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18323 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18324 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18325 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18326 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18327 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18328 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18329 df_reorganize_refs, df_set_state, df_hard_reg_init,
18330 df_read_modify_subreg_p) New public functions.
18331 * df-core.c: The core dataflow solver and glue routines for rtl
18333 (df_init, df_add_problem, df_set_blocks, df_finish,
18334 df_hybrid_search_forward, df_hybrid_search_backward,
18335 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18336 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18337 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18338 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18339 df_reg_defined, df_find_use, df_reg_used, df_dump,
18340 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18341 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18342 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18343 debug_df_useno, reset_df_after_reload): New functions.
18344 * df-scan.c: The scanning fuctions, once in df.c, completely
18345 rewritten so that they now fully model the functionality of
18346 register usage at the backend.
18347 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18348 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18349 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18350 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18351 df_get_artificial_defs, df_get_artificial_uses,
18352 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18353 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18354 df_refs_delete, df_reorganize_refs, df_set_state,
18355 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18356 df_def_record_1, df_defs_record, df_uses_record,
18357 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18358 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18359 df_record_exit_block_uses, df_hard_reg_init): New functions.
18361 * df-problems.c: Seven concrete dataflow problems that use the
18362 scanning in df-scan.c and are solved by the engine in df-core.c.
18363 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18364 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18365 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18366 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18367 df_ru_free_bb_info, df_ru_alloc,
18368 df_ru_bb_local_compute_process_def,
18369 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18370 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18371 df_ru_transfer_function, df_ru_free, df_ru_dump,
18372 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18373 df_rd_free_bb_info, df_rd_alloc,
18374 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18375 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18376 df_rd_transfer_function, df_rd_free, df_rd_dump,
18377 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18378 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18379 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18380 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18381 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18382 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18383 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18384 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18385 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18386 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18387 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18388 df_urec_mark_reg_use_for_earlyclobber,
18389 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18390 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18391 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18392 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18393 df_chain_create_bb_process_use, df_chain_create_bb,
18394 df_chain_finalize, df_chain_free, df_chains_dump,
18395 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18396 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18397 df_reg_lifetime): New functions.
18398 * df.c: Deleted file.
18399 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18400 consistent with new df api.
18401 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18402 rest_of_handle_sms): Ditto.
18403 * web.c (unionfind_union, union_defs, entry_register, web_main):
18405 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18406 invariant_expr_equal_p, find_defs, check_dependencies,
18407 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18408 free_inv_motion_data, move_loop_invariants): Ditto.
18409 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18410 Update dependencies.
18411 (odf.c): Added defective entry that was deleted later in day.
18412 * sched-deps.c (sched_analyze_1): Ditto.
18414 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18416 * tree-ssa-operands.c (get_expr_operands): Record addressable
18417 variables directly. Do not call add_stmt_operands for CONST_DECLs
18419 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18420 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18422 2006-01-11 Ben Elliston <bje@au.ibm.com>
18424 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18425 function returns true in the positive case.
18427 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18430 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18431 for SI, DI, SF and DF modes. Add alternatives to copy between
18432 general and floating point registers to the 32-bit patterns.
18433 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18434 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18435 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18436 generating 64-bit code.
18437 * config/pa/pa.c (output_move_double): Handle copies between general
18438 and floating registers.
18440 2006-01-10 Stuart Hastings <stuart@apple.com>
18442 * config/i386/i386.md (set_got): Update.
18443 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18444 (builtin_setjmp_receiver): Mach-O support.
18445 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18446 (GOT_SYMBOL_NAME): Define.
18447 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18448 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18449 * config/i386/i386.c (override_options): Revise for Darwin.
18450 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18451 support. (darwin_x86_file_end): New. (output_set_got): Add label
18452 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18453 * config/i386/i386-protos.h (output_set_got): Likewise.
18454 * config/darwin.c (machopic_legitimize_pic_address): Update
18457 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18459 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18460 when MODE isn't BLKmode.
18462 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18464 PR rtl-optimization/25367
18465 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18467 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18470 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18471 for a negative bound.
18473 2006-01-10 Richard Guenther <rguenther@suse.de>
18475 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18476 Never override with anything constraint.
18478 2006-01-10 Jan Beulich <jbeulich@novell.com>
18480 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18481 256 bits when optimize_size.
18483 2006-01-10 Jan Beulich <jbeulich@novell.com>
18485 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18487 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18488 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18491 2006-01-10 Ben Elliston <bje@au.ibm.com>
18493 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18495 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18496 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18497 (USE_FP_FOR_ARG): Reject decimal float modes.
18498 (function_arg_advance): Likewise.
18499 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18500 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18501 point types in AltiVec vectors.
18502 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18503 (rs6000_libcall_value): Likewise.
18505 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18507 * config/xtensa/ieee754-df.S: New file.
18508 * config/xtensa/ieee754-sf.S: New file.
18509 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18510 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18511 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18513 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18515 * config/sh/predicates.md (binary_float_operator,
18516 binary_logical_operator, commutative_float_operator,
18517 equality_comparison_operator, greater_comparison_operator,
18518 less_comparison_operator, logical_operator,
18519 noncommutative_float_operator, shift_operator,
18520 symbol_ref_operand, unary_float_operator): Remove redundant
18523 2006-01-09 Jeff Law <law@redhat.com>
18525 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18526 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18527 now unused arguments. Callers updated.
18528 (eliminate_redundant_computations): Remove now unused arguments,
18530 (local_fold): Remove, no longer used.
18531 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18533 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18534 (simplify_cond): New function.
18535 (forward_propagate_into_cond): Call simplify_cond.
18537 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18539 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18540 (*vec_extractv2di_1_sse): New.
18542 2006-01-09 Ben Elliston <bje@au.ibm.com>
18544 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18546 2006-01-08 Richard Guenther <rguenther@suse.de>
18548 * tree-ssa-structalias.c (get_constraint_for): Remove
18549 anyoffset argument.
18550 (get_constraint_for_component_ref): Likewise.
18551 (do_deref): Likewise.
18552 (get_constraint_for): Likewise.
18553 (do_structure_copy): Likewise.
18554 (handle_ptr_arith): Likewise.
18555 (find_func_aliases): Likewise. Remove unused need_anyoffset
18558 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18559 Kaz Kojima <kkojima@gcc.gnu.org>
18561 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18562 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18563 (EXTRA_CONSTRAINT_C16): Remove.
18564 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18565 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18566 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18567 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18568 constants of SHmedia. Handle nested constant expressions of
18570 (andcosts): Fix the costs for SHmedia constants.
18571 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18572 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18573 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18574 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18575 (movv4hi_i, movv2si_i): Likewise.
18576 (movsi_const): Adjust the second operand of ior so to match with
18577 the Csu constraint.
18578 (movdi_const, movdi_const_32bit): Likewise.
18579 (movdi_const_16bit+1): Don't sign-extend LOW.
18580 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18582 (*double_shori): Fix the split condition. Use GEN_INT instead
18583 of get_int_mode calls. Mask lower 16-bit of the argument of
18585 (sym2GOTPLT): Remove.
18586 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18588 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18589 instead of EXTRA_CONSTRAINT_C16.
18591 2006-01-07 Ian Lance Taylor <ian@airs.com>
18592 David Edelsohn <edelsohn@gnu.org>
18594 PR rtl-optimization/25662
18595 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18596 for constant operands instead of simplify_gen_binary.
18597 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18598 after trying simplify_binary_operation
18600 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18602 * tree.c (iterative_hash_expr): Hash decls based on UID.
18604 2006-01-06 Eric Christopher <echristo@apple.com>
18606 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18607 (TARGET_UNWIND_EMIT): Fix spelling.
18608 * target.h (gcc_target): Add except_table_label.
18609 * except.c (output_function_exception_table): Use.
18610 * varasm.c (default_emit_except_table_label): New.
18611 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18613 (asm_out): Add here.
18614 * output.h (default_emit_except_table_label): Prototype.
18615 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18616 * config/darwin.c (darwin_emit_except_table_label): Define.
18617 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18619 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18621 PR tree-optimization/18527
18622 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18623 number_of_iterations_special, number_of_iterations_exit):
18624 Move base and step of an iv to a single structure. Add
18625 no_overflow flag, and use it in # of iterations analysis.
18626 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18627 folded_casts argument.
18628 (simple_iv): Pass base and step in a structure. Set no_overflow
18630 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18631 Evaluate expensiveness of computing # of iterations instead of
18632 the final expression.
18633 * tree-scalar-evolution.h (affine_iv): New structure.
18634 (simple_iv): Declaration changed.
18635 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18636 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18637 find_givs_in_stmt): Changed due to simple_iv change.
18639 2006-01-06 Jeff Law <law@redhat.com>
18642 * tree-cfg.c (bsi_replace): Rename final argument from
18643 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18644 change (stmt -> orig_stmt).
18645 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18646 (bsi_remove): Add new argument. Remove EH information
18648 (verify_eh_throw_table_statements): New function.
18649 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18651 * tree-optimize.c (execute_free_cfg_annotations): Verify
18652 the EH throw statement table after removing annotations.
18653 * except.h (verify_eh_throw_table_statements): Prototype.
18654 * tree-flow.h (bsi_remove): Update prototype.
18655 * tree-vrp.c (remove_range_assertions): Add new argument to
18657 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18658 * tree-complex.c (expand_complex_div_wide): Likewise.
18659 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18660 * tree-tailcall.c (eliminate_tailcall): Likewise.
18661 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18662 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18663 * tree-nrv.c (tree_nrv): Likewise.
18664 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18665 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18666 (combine_blocks): Likewise.
18667 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18668 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18669 (cleanup_control_flow): Likewise.
18670 (remove_forwarder_block): Likewise.
18671 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18672 * tree-sra.c (sra_replace): Likewise.
18673 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18674 (forward_propagate_single_use_vars): Likewise.
18675 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18676 * tree-inline.c (expand_call_inline): Likewise.
18677 * tree-vect-transform.c (vect_transform_loop): Likewise.
18678 * tree-outof-ssa.c (rewrite_trees): Likewise.
18679 * tree-cfg.c (make_goto_expr_edges): Likewise.
18680 (cleanup_dead_labels): Likewise.
18681 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18682 (bsi_move_before, bsi_move_after): Likewise.
18683 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18684 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18686 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18689 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18691 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18692 on non gimple variables. Also add checks at the top for decls and
18694 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18696 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18697 and IMAGPART_EXPR for creating MUST_DEFs.
18698 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18699 and NAME_MEMORY_TAG separately from the DECLs.
18701 2006-01-06 Richard Guenther <rguenther@suse.de>
18703 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18704 annotation, if necessary.
18705 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18706 redundant calls to update_stmt.
18707 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18710 2006-01-05 Richard Henderson <rth@redhat.com>
18712 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18714 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18716 * c-typeck.c: Update copyright date.
18718 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18720 * c-typeck.c (build_c_cast): Always warn when casting
18721 from a pointer to an integer of different size, even if
18722 the node was constant.
18724 2006-01-05 Richard Guenther <rguenther@suse.de>
18726 PR tree-optimization/22555
18727 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18728 if one structure field is an array.
18729 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18730 operands even if we found a subvar, but ignore VOPs in this
18732 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18734 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18736 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18738 PR middle-end/24998
18739 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18741 2006-01-05 Richard Guenther <rguenther@suse.de>
18742 Diego Novillo <dnovillo@redhat.com>
18744 * tree-pass.h (TODO_remove_unused_locals): Define.
18745 * gimple-low.c (expand_var_p, remove_useless_vars,
18746 pass_remove_useless_vars): Remove. Update all users.
18747 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18748 (remove_unused_locals): New function.
18749 * tree-flow.h (remove_unused_locals): Declare.
18750 * passes.c (execute_todo): Call remove_unused_locals if
18751 TODO_remove_unused_locals is set.
18752 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18753 * tree-ssa-dce.c (pass_dce): Likewise.
18754 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18756 2006-01-05 Richard Guenther <rguenther@suse.de>
18758 * tree-flow.h (struct fieldoff): Decompose field to
18759 type, size and decl.
18760 * tree-ssa-alias.c (create_sft): Take type as parameter.
18761 (create_overlap_variables_for): Store type, size and decl
18762 in the fieldoff structure.
18763 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18764 of struct fieldoff.
18765 (push_fields_onto_fieldstack): Likewise.
18766 (create_variable_info_for): Likewise. Use offset for the
18767 SFT name if the decl is not available.
18769 2006-01-04 Paul Brook <paul@codesourcery.com>
18771 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18773 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18775 * lambda-code.c (can_put_in_inner_loop): Relax
18777 (can_put_after_inner_loop): New function.
18778 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18779 (perfect_nestify): Change to make copies and modify uses.
18781 2006-01-04 Richard Henderson <rth@redhat.com>
18783 Merge from gomp branch:
18784 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18785 via integer constant.
18786 (pragma_lex): Remove.
18787 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18788 rather than parsing it.
18789 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18790 handle_pragma_extern_prefix): Add %< %> quotes.
18791 (registered_pragmas): New.
18792 (c_register_pragma_1): New.
18793 (c_register_pragma): Use it.
18794 (c_register_pragma_with_expansion): Likewise.
18795 (c_invoke_pragma_handler): New.
18796 (init_pragma): Use cpp_register_deferred_pragma directly for
18798 * c-pragma.h (enum pragma_kind): New.
18799 (pragma_handler): New.
18800 (c_invoke_pragma_handler): Declare.
18801 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18803 * c-common.h (c_common_pch_pragma): Update decl.
18804 * Makefile.in (c-parser.o): Update dependencies.
18805 (GTFILES): Add c-pragma.h.
18806 * c-parser.c (struct c_token): Add pragma_kind.
18807 (struct c_parser): Add in_pragma.
18808 (c_lex_one_token): Always initialize keyword and pragma_kind.
18809 Extract data for CPP_PRAGMA.
18810 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18811 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18812 Don't allow CPP_PRAGMA_EOL if in_pragma.
18813 (c_parser_consume_pragma): New.
18814 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18815 (c_parser_skip_to_end_of_parameter): Likewise.
18816 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18817 (c_parser_skip_to_pragma_eol): New.
18818 (c_parser_external_declaration): Handle CPP_PRAGMA.
18819 (c_parser_compound_statement_nostart): Likewise.
18820 (c_parser_statement_after_labels): Likewise.
18821 (c_parser_pragma): New.
18822 (pragma_lex): Likewise.
18823 (c_parser_pragma_pch_preprocess): New.
18824 (c_parser_new): Merge into ...
18825 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18827 2006-01-04 Jeff Law <law@redhat.com>
18830 * tree-cfg.c (bsi_replace): Remove the original statement
18831 from the EH throw statement table.
18833 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18835 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18836 make the prototype extern "C" and add throw ().
18839 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18840 and pos non-negative and pos + len <= 32.
18841 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18842 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18843 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18846 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18847 as well as sizes not multiple of component size.
18850 * function.c (instantiate_expr): New function.
18851 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18852 walk its DECL_VALUE_EXPR with instantiate_expr.
18854 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18855 DW_OP_deref{,_size} if address isn't going to be added.
18857 2006-01-04 Ben Elliston <bje@au.ibm.com>
18859 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18860 * config/fp-bit.c: Likewise.
18862 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18864 * dominance.c: Add comment about why we use DFS numbering
18867 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18868 Richard Henderson <rth@redhat.com>
18870 Merge from gomp-branch:
18871 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18872 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18874 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18876 PR rtl-optimization/25578
18877 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18878 pass a parameter to simplify_shift_const if changing ASHIFTRT
18881 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18883 * builtins.c (get_builtin_sync_mem): New function.
18884 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18885 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18886 Call get_builtin_sync_mem to generate mem rtx.
18888 2006-01-03 Richard Guenther <rguenther@suse.de>
18891 * stmt.c (add_case_node): Make sure to clear overflow flags
18894 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18896 Merge from gomp-branch.
18897 * config/sparc/sync.md: New file.
18898 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18899 UNSPECV_LDSTUB): New constants.
18900 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18901 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18902 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18905 2006-01-03 Roger Sayle <roger@eyesopen.com>
18907 * combine.c (reg_subword_p): New predicate to test whether the
18908 destination of a set refers to a subword/piece of a register.
18909 (try_combine): Generalize the code to merge the setting of a
18910 pseudo to a constant followed by a set of a subword of that
18911 register to a constant.
18913 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18915 * basic-block.h (control_flow_graph): Change the type of
18916 x_label_to_block_map to VEC(basic_block,gc) *.
18917 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18918 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18920 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18921 VEC(basic_block,heap) *.
18922 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18923 ssa_prop_fini): Adjust the uses of cfg_blocks.
18925 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18927 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18929 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18930 hashing trees instead of a pointer hash.
18931 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18932 compare for MEM_EXPR.
18934 PR rtl-optimization/25130
18935 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18936 when comparing MEMs for GCSE
18938 2006-01-03 Ben Elliston <bje@au.ibm.com>
18940 * targhooks.h (default_decimal_float_supported_p): Declare.
18941 * targhooks.c (default_decimal_float_supported_p): Define.
18942 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18943 `default_decimal_float_supported_p'.
18944 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18946 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18948 * combine.c (apply_distributive_law <SUBREG>): Check
18949 TRULY_NOOP_TRUNCATION.
18951 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18953 * dwarf2out.c (have_switched_text_section): Delete.
18954 (have_multiple_function_sections): New.
18955 (have_location_lists): Make 'bool'.
18956 (add_AT_loc_list): Use 'true' not '1'.
18957 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18958 (output_loc_list): Use have_multiple_function_sections.
18959 (output_ranges): Likewise.
18960 (dwarf2out_begin_function): Set have_multiple_function_sections if
18962 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18963 Check function_section rather than DECL_SECTION_NAME.
18964 (dwarf2out_finish): Use have_multiple_function_sections.
18965 Don't clear have_location_lists.
18967 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18968 Jan Hubicka <jh@suse.cz>
18970 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18971 case of conditional jump jumping to the next instruction.
18972 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18973 cases of conditional jump jumping to the next instruction.
18975 2006-01-02 Jan Hubicka <jh@suse.cz>
18977 * i386.c (*_cost): Add COSTS_N_INSNS.
18978 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18980 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18983 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18985 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18987 * config/arm/arm.c (all_fpus): Fix comment typo.
18988 * config/darwin.c: Likewise.
18989 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18990 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18991 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18993 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18995 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18996 (rs6000_split_compare_and_swapqhi): New.
18997 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18998 (sync_compare_and_swapqhi_internal): New.
18999 * config/rs6000/rs6000-protos.h: Declare.