1 2006-11-20 David Daney <ddaney@avtrex.com>
3 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4 PC to point to following instruction.
6 2006-11-20 Anatoly Sokolov <aesok@post.ru>
10 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
12 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
14 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
16 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
17 Add sh/superh.h to tm_file.
19 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
20 Mark Mitchell <mark@codesourcery.com>
22 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
24 (cpp_relocated): New function.
25 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
27 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
28 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
29 replace configured prefix with gcc_exec_prefix.
31 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
33 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
34 bfin_legitimate_constant_p.
35 * config/bfin/bfin.md (movsi expander): Check return value of
37 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
38 (expand_move): Adjust prototype.
39 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
40 invalid constants specially.
41 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
43 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
45 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
46 sibcall_value_symbol): Allow these patterns if
47 TARGET_LEAF_ID_SHARED_LIBRARY.
48 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
49 (override_options): Turn on id shared library flags if -msep-data,
50 but disallow the combination of these options on the command line.
51 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
52 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
53 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
55 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
56 * doc/invoke.texi (Blackfin Options): Document new switches.
58 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
59 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
61 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
62 inflate costs for addresses with an out-of-bounds address.
64 2006-11-19 Andrew Pinski <pinskia@gmail.com>
67 * fwprop.c (loops): Remove.
68 (forward_propagate_into): Use current_loops instead of
70 (fwprop_init): Call loop_optimizer_init instead of
72 (fwprop_done): Call loop_optimizer_finalize instead of
74 (fwprop): Use current_loops instead of loops.
76 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
79 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
81 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
84 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
85 larger than BITS_PER_WORD.
87 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
91 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
92 to MAX_FIXED_MODE_SIZE.
94 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
96 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
97 (fold_builtin_fmin_fmax): New.
98 (fold_builtin_1): Use it.
100 * fold-const.c (fold_strip_sign_ops): Handle copysign.
102 2006-11-18 Richard Guenther <rguenther@suse.de>
104 * config/i386/i386.c (ix86_builtins): New array for ix86
105 builtin function decls.
106 (def_builtin): New function.
107 (def_builtin_const): Likewise.
108 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
110 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
112 * doc/invoke.texi (core2): Add item.
114 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
116 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
117 (TARGET_CPU_DEFAULT_generic): Change value.
118 (TARGET_CPU_DEFAULT_NAMES): Add core2.
119 (processor_type): Add new constant PROCESSOR_CORE2.
121 * config/i386/i386.md (cpu): Add core2.
123 * config/i386/i386.c (core2_cost): New initialized variable.
124 (m_CORE2): New macro.
125 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
126 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
127 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
128 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
129 x86_partial_reg_dependency, x86_memory_mismatch_stall,
130 x86_accumulate_outgoing_args, x86_prologue_using_move,
131 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
132 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
133 x86_use_incdec, x86_four_jump_limit, x86_schedule,
134 x86_pad_returns): Add m_CORE2.
135 (override_options): Add entries for Core2.
136 (ix86_issue_rate): Add case for Core2.
138 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
140 * doc/invoke.texi: Fix mno-isel typo.
142 2006-11-18 Joseph Myers <joseph@codesourcery.com>
144 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
145 easy vector constant loads.
147 2006-11-18 Joseph Myers <joseph@codesourcery.com>
149 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
150 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
151 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
152 * config/rs6000/sync.md (lwsync): Emit plain sync if
155 2006-11-17 DJ Delorie <dj@redhat.com>
157 * reload1.c (reloads_unique_chain): New.
158 (reloads_conflict): Call it.
160 2006-11-17 Bob Wilson <bob.wilson@acm.org>
162 * config/xtensa/predicates.md (addsubx_operand): New.
163 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
164 (xtensa_emit_bit_branch): New.
165 (xtensa_emit_movcc): New.
166 * config/xtensa/xtensa.md (any_minmax): New code macro.
167 (minmax): New code attribute.
168 (any_cond, any_scc, any_scc_sf): New code macros.
169 (*addx2, *addx4, *addx8): Delete.
171 (*subx2, *subx4, *subx8): Delete.
173 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
174 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
175 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
176 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
177 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
178 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
179 (movsfcc_internal0, movsfcc_internal1): Likewise.
180 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
181 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
182 (xtensa_emit_bit_branch): New.
183 (xtensa_emit_movcc): New.
184 (function_arg_boundary): Add missing prototype.
186 2006-11-17 Bob Wilson <bob.wilson@acm.org>
188 * config/xtensa/xtensa.md (tstsi): Delete
190 2006-11-17 Bob Wilson <bob.wilson@acm.org>
192 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
194 2006-11-17 Bob Wilson <bob.wilson@acm.org>
196 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
198 2006-11-17 Bob Wilson <bob.wilson@acm.org>
200 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
202 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
204 * tree-vrp.c (execute_vrp): Do not update current_loops.
205 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
206 * doc/loop.texi: Remove documentation for cancelled functions.
207 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
208 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
210 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
211 (remove_path): Ensure that in delete_basic_blocks, the loops
213 (add_loop): Work on valid loop structures.
214 (loopify): Modify call of add_loop.
215 (mfb_update_loops): Removed.
216 (create_preheader): Do not update loops explicitly.
217 (force_single_succ_latches, loop_version): Do not use
218 loop_split_edge_with.
219 (loop_split_edge_with): Removed.
220 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
221 Do not use bsi_insert_on_edge_immediate_loop.
222 (split_loop_exit_edge, tree_unroll_loop): Do not use
223 loop_split_edge_with.
224 (bsi_insert_on_edge_immediate_loop): Removed.
225 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
226 use loop_split_edge_with.
227 * cfghooks.c: Include cfgloop.h.
228 (verify_flow_info): Verify that loop_father is filled iff current_loops
230 (redirect_edge_and_branch_force, split_block, delete_basic_block,
231 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
233 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
235 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
236 loop_split_edge_with.
237 (sms_schedule): Use current_loops.
238 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
239 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
241 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
242 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
243 * ifcvt.c (if_convert): Ditto.
244 * predict.c (predict_loops): Do not clear current_loops.
245 (tree_estimate_probability): Use current_loops.
246 (propagate_freq): Receive head of the region to propagate instead of
248 (estimate_loops_at_level): Do not use shared to_visit bitmap.
249 (estimate_loops): New function. Handle case current_loops == NULL.
250 (estimate_bb_frequencies): Do not allocate tovisit. Use
252 * tree-ssa-loop.c (current_loops): Removed.
253 (tree_loop_optimizer_init): Do not return loops.
254 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
255 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
256 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
257 Do not update loops explicitly.
258 * function.h (struct function): Add x_current_loops field.
259 (current_loops): New macro.
260 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
261 * loop-unroll.c (split_edge_and_insert): New function.
262 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
263 use loop_split_edge_with.
264 * loop-doloop.c (add_test, doloop_modify): Ditto.
265 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
266 * cfglayout.c (copy_bbs): Do not update loops explicitly.
267 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
268 * tree-vect-transform.c (vect_transform_loop): Do not update loops
270 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
271 (flow_loops_free): Do not free dfs_order and rc_order.
272 (flow_loops_find): Do not set dfs_order and rc_order in loops
273 structure. Do not call loops and flow info verification.
274 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
275 already belongs to some loop.
276 * cfgloop.h (struct loops): Remove struct cfg.
277 (current_loops, loop_split_edge_with): Declaration removed.
278 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
279 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
281 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
282 * basic-block.h (split_edge_and_insert): Declare.
283 * tree-cfg.c (remove_bb): Do not update loops explicitly.
285 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
287 PR tree-optimization/29801
288 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
289 (get_default_value): Use get_symbol_constant_value.
290 (set_lattice_value): ICE when the value of the constant is
292 (visit_assignment): Ignore VDEFs of read-only variables.
294 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
296 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
298 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
299 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
301 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
303 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
304 select subvars of var.
306 2006-11-17 Jakub Jelinek <jakub@redhat.com>
309 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
310 optimize if DEF doesn't have integral type.
312 2006-11-16 Mike Stump <mrs@apple.com>
314 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
315 pre-darwin9 system, unless the user asks for it directly.
316 (PREFERRED_DEBUGGING_TYPE): Likewise.
317 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
318 * config.gcc: Add suppport for darwin9.h.
319 * config/darwin9.h: Add.
320 * doc/install.texi (Specific): Clarify darwin documentation.
322 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
324 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
327 2006-11-16 Mike Stump <mrs@apple.com>
329 * Makefile.in (targhooks.o): Add $(OPTABS_H).
331 2006-11-16 Dirk Mueller <dmueller@suse.de>
333 * tree-vrp.c (get_value_range): Use XCNEW instead
335 (insert_range_assertions): Use XCNEWVEC instead
336 of XNEWVEC and memset.
337 (vrp_initialize): Same.
338 (vrp_finalize): Same.
339 * tree-ssa-ccp.c (ccp_initialize): Same.
340 * predict.c (tree_bb_level_predictions): Same.
341 * calls.c (expand_call): Same.
342 * tree-ssa-copy.c (init_copy_prop): Same.
343 (fini_copy_prop): Same.
344 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
345 of GGC_NEW and memset.
347 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
350 * gimplify.c (gimplify_expr): Only force a load for references to
351 non-BLKmode volatile values.
352 * doc/implement-c.texi (Qualifiers implementation): Document the
353 interpretation of what a volatile access is.
354 * doc/extend.texi (C++ Extensions): Rework same documentation.
356 2006-11-16 Joseph Myers <joseph@codesourcery.com>
358 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
361 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
363 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
365 (arm_neg_abssi2): Renamed from neg_abssi2.
366 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
368 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
370 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
371 number of arguments passed to local functions in SSE registers is 3.
373 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
374 number of arguments passed in SSE registers to 3.
376 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
379 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
381 (get_last_bb_insn): ... new global function.
382 (basic_block.h): Declare it.
383 * haifa-sched.c (create_recovery_block): Use it.
385 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
388 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
390 2006-11-15 Paul Brook <paul@codesourcery.com>
392 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
393 _Unwind_GetTextRelBase): Move from here ...
394 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
395 _Unwind_GetTextRelBase): ... To here.
397 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
399 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
400 addresses we generate for testing are aligned.
402 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
405 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
406 to what is the const decl is a place holder for.
408 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
410 * config/i386/i386.opt: New target option -mx87regparm.
412 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
413 and float_in_x87 variables. mmx_words, sse_words: Remove.
414 (X87_REGPARM_MAX): Define.
416 * config/i386/i386.c (override_options): Error out for
417 -mx87regparm but no 80387 support.
418 (ix86_attribute_table): Add x87regparm.
419 (ix86_handle_cconv_attribute): Update comments for x87regparm.
420 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
421 (ix86_function_x87regparm): New function.
422 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
424 (init_cumulative_args): Initialize x87_nregs and float_in_x87
426 (function_arg_advance): Process x87_nregs and x87_regno when
427 floating point argument is to be passed in 80387 register.
428 (function_arg): Pass XFmode arguments in 80387 registers for local
429 functions. Pass SFmode and DFmode arguments to local functions
430 in 80387 registers when flag_unsafe_math_optimizations is set.
432 * reg-stack.c (convert_regs_entry): Disable NaN load for
433 stack registers that are used for argument passing.
435 * doc/extend.texi: Document x87regparm function attribute.
436 * doc/invoke.texi: Document -mx87regparm.
438 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
440 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
441 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
442 arg MODE; all callers changed. Use it to determine validity per
443 machine mode instead of using Pmode for all memory references.
444 (get_address_cost): Likewise add and use new arg MEM_MODE.
446 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
447 J"orn Rennecke <joern.rennecke@st.com>
449 * combine.c (likely_spilled_retval_1): Fix masking operation.
450 (likely_spilled_retval_p): Use proper pattern for call to
451 likely_spilled_retval_1.
453 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
455 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
457 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
458 that tests for CONSTANT_POOL_ADDRESS_P.
460 2006-11-15 Jakub Jelinek <jakub@redhat.com>
462 PR tree-optimization/29581
463 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
464 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
465 type is different between Y and USE, create a temporary
466 variable, initialize it at the beginning of the body bb
467 and use it as replacement instead of Y.
469 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
472 * gimplify.c (fold_indirect_ref_rhs): Use
473 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
475 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
477 * expmed.c (emit_store_flag_1): New function.
478 (emit_store_flag): Call it. If we can't find a suitable scc insn,
480 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
481 Use do_compare_rtx_and_jump.
482 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
483 * arm.md (cstoresi4): New define_expand.
484 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
485 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
486 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
488 2006-11-14 Caroline Tice <ctice@apple.com>
490 * dwarf2out.c (debug_pubtypes_section): New static global variable.
491 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
493 (pubname_table): Redefine as a vector.
494 (pubtype_table): New static global variable, defined as a vector.
495 (pubname_table_allocated): Remove static global variable.
496 (pubname_table_in_use): Remove static global variable.
497 (PUBNAME_TABLE_INCREMENT): Remove constant.
498 (size_of_pubnames): Add parameter to deal with either pubnames or
499 pubtypes, and change code to deal with table being a vector.
500 (add_pubname): Change to deal with table being a vector.
501 (add_pubtype): New function.
502 (output_pubnames): Add parameter to deal with either pubnames or
503 pubtypes, and change code to deal with table being a vector.
504 (gen_array_type_die): Add call to add_pubtype.
505 (gen_enumeration_type_die): Add call to add_pubtype.
506 (gen_struct_or_union_type_die): Add call to add_pubtype.
507 (gen_subroutine_type_die): Add call to add_pubtype.
508 (gen_typedef_die): Add call to add_pubtype.
509 (dwarf2out_init): Add code to initialize pubname_table and
510 pubtype_table vectors; also initialize debug_pubtypes_section.
511 (prune_unused_types): Change to deal with pubnames being a vector.
512 (dwarf2out_finish): Change to deal with pubnames being a vector; add
513 pubnames table to call to output_pubnames; Add code to output pubtypes
514 table if DEBUG_PUBTYPES_SECTION is defined.
515 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
517 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
519 2006-11-14 Joseph Myers <joseph@codesourcery.com>
521 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
522 iwmmxt_nregs if TARGET_IWMMXT_ABI.
523 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
524 movv2si_internal): Support moves between core registers.
526 2006-11-14 Eric Christopher <echristo@apple.com>
528 * configure: Regenerate with autoconf 2.59.
530 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
532 Fix PR tree-optimization/27755
534 * tree-ssa-pre.c: Update comments.
535 (bb_bitmap_sets): Add pa_in and deferred member.
536 (BB_DEFERRED): New macro.
537 (maximal_set): New variable.
538 (pre_stats): Add pa_insert member.
539 (bitmap_set_and): Short circuit orig == dest.
540 (bitmap_set_subtract_values): New function.
541 (bitmap_set_contains_expr): Ditto.
542 (translate_vuses_through_block): Add phiblock argument.
543 (dependent_clean): New function.
544 (compute_antic_aux): Update for maximal_set changes.
545 (compute_partial_antic_aux): New function.
546 (compute_antic): Handle partial anticipation.
547 (do_partial_partial_insertion): New function.
548 (insert_aux): Handle partial anticipation.
549 (add_to_sets): Add to maximal set.
550 (compute_avail): Ditto.
551 (init_pre): Initialize maximal_set.
552 (execute_pre): Do partial anticipation if -O3+.
554 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
556 PR rtl-optimization/29798
558 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
559 TARGET_INSN before any other check.
560 (fwprop_init): Always calculate dominators.
561 (fwprop_done): Always free them.
563 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
565 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
568 2006-11-13 DJ Delorie <dj@redhat.com>
570 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
571 temporary for intermediates.
573 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
575 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
576 (sh_optimize_target_register_callee_saved): #if 0 the code
577 using NOTE_INSN_LOOP_{BEG,END}.
579 2006-11-13 Roger Sayle <roger@eyesopen.com>
581 * fold-const.c (optimize_bit_field_compare): Recursively call
582 fold when simplifying non-constant comparisons between bit-fields.
584 2006-11-13 Jakub Jelinek <jakub@redhat.com>
586 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
588 * configure: Rebuilt.
590 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
592 * config/rs6000/cell.md: New file.
593 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
595 (ppccell_cost): New cost matrix.
596 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
597 (rs6000_override_options): Set rs6000_always_hint to false
598 for cell. Also align functions/lables/loops to 8byte
599 for the Cell. Use PROCESSOR_CELL.
600 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
602 (rs6000_variable_issue): If the insn is a nonpipelined instruction
603 on the Cell, return 0.
604 (rs6000_adjust_cost): Add Cell cost adjustments.
605 (is_microcoded_insn): Return true for Cell microcoded
607 (is_nonpipeline_insn): New function.
608 (rs6000_issue_rate): Add PROCESSOR_CELL.
609 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
611 (rs6000_use_sched_lookahead_guard): New function.
612 (rs6000_sched_reorder): Reorder the ready list, if the second
613 to last ready insn is a nonepipeline insn on the Cell.
614 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
615 (ASM_CPU_SPEC): Add Cell.
616 * config/rs6000/rs6000.md (cpu): Add Cell.
617 (cell_micro): New Attr.
620 2006-11-13 Jakub Jelinek <jakub@redhat.com>
622 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
624 * configure: Rebuilt.
626 2006-11-13 Richard Guenther <rguenther@suse.de>
628 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
630 (ix86_expand_lfloorceil): Likewise.
631 (ix86_expand_rint): Likewise.
632 (ix86_expand_floorceildf_32): Likewise.
633 (ix86_expand_floorceil): Likewise.
634 (ix86_expand_rounddf_32): Likewise.
635 (ix86_expand_truncdf_32): Likewise.
636 (ix86_expand_round): Likewise.
638 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
639 Mark Mitchell <mark@codesourcery.com>
641 * gcc.c: Organize search path variables into $prefix relative,
642 and well-known native. Add comments.
643 (add_sysrooted_prefix): Add comment.
644 (process_command): If !gcc_exec_prefix add $prefix based paths.
645 If *cross_compile == '0', add native well-known paths.
646 Assert tooldir_base_prefix is always relative.
647 (main): If print_search_dirs, and if gcc_exec_prefix is set,
648 use this value for 'install:' path.
649 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
651 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
653 * config/i386/i386.c: Fix a typo in comment.
655 2006-11-13 Michael Matz <matz@suse.de>
657 * genemit.c (gen_expand): Allocate enough memory.
659 2006-11-13 Joseph Myers <joseph@codesourcery.com>
661 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
662 __GXX_TYPEINFO_EQUALITY_INLINE but not
663 __GXX_MERGED_TYPEINFO_NAMES.
664 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
665 __GXX_MERGED_TYPEINFO_NAMES.
666 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
667 __GXX_TYPEINFO_EQUALITY_INLINE.
669 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
670 Zdenek Dvorak <dvorakz@suse.cz>
672 PR tree-optimization/29680
673 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
676 2006-11-12 Jason Merrill <jason@redhat.com>
677 Andrew Pinski <pinskia@physics.uc.edu>
680 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
682 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
684 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
685 * tree.c (build_vector): Handle non-_CST elements.
687 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
689 * genemit.c (gen_insn): Call gen_exp with a non-null used
690 when handling multiple insns.
691 (gen_expand): Likewise.
692 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
693 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
694 (movsi_const_16bit+1): Copy operands[1].
695 (call_pcrel): Copy the call_site pattern.
696 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
698 2006-11-12 Roger Sayle <roger@eyesopen.com>
700 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
701 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
702 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
703 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
705 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
707 Fix PR tree-optimization/29587
708 * tree-ssa-structalias.c (process_constraint): Don't
709 mark address taken due only to escaped vars constraint.
711 2006-11-12 Michael Matz <matz@suse.de>
712 Roger Sayle <roger@eyesopen.com>
714 PR rtl-optimization/29797
715 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
716 BITS_BIG_ENDIAN targets.
718 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
720 * builtins.c (fold_builtin_cosh): New.
721 (fold_builtin_1): Use it.
722 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
723 trunc to the list of "odd" functions. Also add llrint, lrint,
724 rint and nearbyint when flag_rounding_math is false.
726 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
728 * tree-flow.h (name_mappings_registered_p): Declare.
729 * tree-into-ssa.c (name_mappings_registered_p): New function.
730 * tree-cfg.c (tree_can_merge_blocks_p): Check
731 name_mappings_registered_p instead of need_ssa_update_p.
733 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
735 * tree-ssa-loop.c (tree_vectorize): Return the result of
737 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
739 * tree-vectorizer.h (vectorize_loops): Declaration removed.
740 * tree-flow.h (vectorize_loops): Declaration changed.
742 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
744 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
746 (issue_prefetch_ref): Move assignment to write_p out of loop.
747 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
748 SIMULTANEOUS_PREFETCHES into account.
749 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
750 * lambda-code.c (lcm): Renamed to ...
751 (least_common_multiple): ... and exported.
752 * tree-flow.h (least_common_multiple): Declare.
754 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
756 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
757 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
758 ud-chains. Handle AND_EXPR.
759 (record_estimate): Record whether the estimate is realistic
760 and whether it is derived from a loop exit.
761 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
762 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
764 (compute_estimated_nb_iterations): Take only realistic bounds into
765 account. Set estimate_state. Use double_ints.
766 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
767 and infer_loop_bounds_from_signedness. Do not consider basic blocks
768 that do not have to be always executed.
769 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
770 to determine whether to call infer_loop_bounds_from_undefined
771 and compute_estimated_nb_iterations.
772 (n_of_executions_at_most): Use double_ints.
773 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
774 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
775 * double-int.c (double_int_to_tree): Improve comment.
776 (double_int_fits_to_tree_p): New function.
777 * double-int.h (double_int_fits_to_tree_p): Declare.
778 * tree-data-ref.c: Include langhooks.h.
779 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
780 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
781 (analyze_array): Do not pass estimate_only argument to
782 analyze_array_indexes.
783 (get_number_of_iters_for_loop): Build tree from the stored double_int
785 (get_references_in_stmt, find_data_references_in_stmt): New functions.
786 (find_data_references_in_loop): Use find_data_references_in_stmt.
787 * tree-data-ref.h (struct data_ref_loc_d): New.
788 (get_references_in_stmt): Declare.
789 (estimate_iters_using_array): Declaration removed.
790 * cfgloop.h (struct nb_iter_bound): Change type of bound to
791 double_int. Improve comments. Add is_exit and realistic
793 (struct loop): Changed type of estimated_nb_iterations to double_int.
794 Added estimate_state field.
795 (record_estimate): Declaration removed.
797 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
799 * params.c (set_param_value): Initialize the "set" field.
800 * params.h (struct param_info): Add "set" field.
801 (PARAM_SET_P): New macro.
802 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
803 L1_CACHE_LINE_SIZE): New macros.
804 * toplev.c (DEFPARAM): Initialize the "set" field.
805 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
806 SIMULTANEOUS_PREFETCHES): Removed.
807 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
808 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
809 * config/sparc/sparc.c: Include params.h.
810 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
811 L1_CACHE_LINE_SIZE parameters.
812 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
814 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
816 * config/i386/i386.c: Include params.h.
817 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
818 (override_options): Set SIMULTANEOUS_PREFETCHES and
819 L1_CACHE_LINE_SIZE parameters.
820 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
821 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
822 L1_CACHE_LINE_SIZE parameters.
823 * config/ia64/ia64.c (ia64_optimization_options): Set
824 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
825 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
827 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
828 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
829 * doc/invoke.texi: Document new params.
831 2006-11-12 Roger Sayle <roger@eyesopen.com>
833 PR tree-optimization/13827
834 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
837 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
839 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
840 update_single_exit_for_duplicated_loops): New functions.
841 (duplicate_loop_to_header_edge): Use
842 update_single_exit_for_duplicated_loops.
843 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
844 functions only with ENABLE_CHECKING.
846 2006-11-12 Andreas Schwab <schwab@suse.de>
848 * except.c (sjlj_emit_function_enter): Remove unused variable.
850 2006-11-11 Roger Sayle <roger@eyesopen.com>
852 * fold-const.c (int_binop_types_match_p): New function.
853 (size_binop): Relax constraint that both arguments must both have
854 exactly the same sizetype type. Instead use int_binop_types_match_p.
855 (size_diffop): Likewise.
857 (make_range): Use build_int_cst instead of fold_convert.
858 (fold_cond_expr_with_comparison): Use build_int_cst to construct
859 integer constants of the correct type.
860 (fold_div_compare): Likewise.
861 (fold_single_bit_test): Likewise.
862 (fold_binary): Likewise.
863 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
864 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
866 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
869 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
870 non null value if the struct memory access is in the 0th
873 2006-11-12 Jie Zhang <jie.zhang@analog.com>
876 2006-11-11 Jie Zhang <jie.zhang@analog.com>
877 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
880 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
881 instead of builtin_define for bfin and BFIN.
883 2006-11-11 Jie Zhang <jie.zhang@analog.com>
885 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
888 2006-11-11 Jan Hubicka <jh@suse.cz>
890 * extended.texi (__builtin_expect): We no longer require second argument
892 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
893 * builtins.c (expand_builtin_expect): Simplify.
894 (expand_builtin_expect_jump): Kill.
895 * final.c (final_scan_insn): Do not skip the removed notes.
896 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
897 EXPECTED_VALUE): Remove.
898 * dojump.c (do_jump): Do not care about __builtin_expect.
899 * predict.c (expected_value_to_br_prob): Kill.
900 * function.c (expand_function_end): Do not expand
901 NOTE_INSN_REPEATED_LINE_NUMBER.
902 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
903 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
904 * cfgexpand.c (add_reg_br_prob_note): Export.
905 * cfgcleanup.c (rest_of_handle_jump2): Do not call
906 expected_value_to_br_prob.
907 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
908 * rtl.h (add_reg_br_prob_note): Declare.
910 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
912 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
914 2006-11-11 Jan Hubicka <jh@suse.cz>
916 * predict.c (predict_loops): Kill RTL variant.
918 2006-11-11 Jan Hubicka <jh@suse.cz>
920 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
921 * modulo-sched.c (find_line_note): Remove.
922 (loop_canon_p): Do not worry about line number notes.
923 (sms_schedule): Likewise.
924 * cse.c (cse_main): Likewise.
925 * regmove.c (fixup_match_1): Likewise
926 * function.c (emit_return_info_block): Likewise.
927 (expand_function_end): Likewise.
928 (thread_prologue_an_epilogue_insns): Likewise.
929 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
931 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
932 emit_note_copy_after): Kill.
933 (emit_note_copy): Do not worry about line numbers.
934 * jump.c (purge_line_number_notes): Kill.
935 (pass_purge_lineno_notes): Kill.
936 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
938 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
939 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
940 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
941 * tree-pass.h (pass_purge_lineno_notes): Kill.
942 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
943 rm_redundant_line_notes.
944 * sched-rgb.c (schedule_region): Don't rm_line_notes,
945 rm_redundant_line_notes.
946 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
947 * haifa-sched.c: Update comment about handling notes.
948 (unlink_line_notes): Kill.
949 (rm_line_notes): Kill.
950 (save_line_notes): Simplify.
951 (rm_redundant_line_notes): Kill.
953 2006-11-11 Richard Guenther <rguenther@suse.de>
955 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
956 Remove unused tree codes.
957 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
958 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
959 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
960 * tree.c (stabilize_reference): Likewise.
961 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
962 fold_unary): Likewise.
963 * tree-gimple.c (is_gimple_cast): Likewise.
964 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
965 * expr.c (expand_expr_real_1): Likewise.
966 * tree-eh.c (tree_could_trap_p): Likewise.
967 * gimplify.c (gimplify_expr): Likewise.
968 * tree-inline.c (estimate_num_insns_1): Likewise.
969 * tree-cfg.c (verify_expr): Likewise.
971 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
973 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
974 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
975 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
977 2006-11-11 Richard Sandiford <richard@codesourcery.com>
980 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
981 constraints accept neither registers or memories.
983 2006-11-11 Jie Zhang <jie.zhang@analog.com>
985 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
986 (NO_PROFILE_COUNTERS): Define as 1.
988 2006-11-10 Roger Sayle <roger@eyesopen.com>
990 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
991 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
993 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
995 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
997 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
999 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1000 (fold_builtin_hypot): Likewise.
1001 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1003 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1005 2006-11-10 Roger Sayle <roger@eyesopen.com>
1007 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1008 when attempting to build INTEGER_CSTs of non-integral types.
1009 * expmed.c (make_tree): Use the correct type, i.e. the inner
1010 type, when constructing the individual elements of a CONST_VECTOR.
1012 2006-11-10 Jan Hubicka <jh@suse.cz>
1014 * cse.c (cse_process_notes): Copy the propagated value.
1015 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1017 * gcse.c (try_replace_reg): Copy the replacement.
1018 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1019 (assign_386_stack_local): Always return copied memory expression
1020 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1023 2006-11-10 Jan Hubicka <jh@suse.cz>
1025 * final.c (final): Walk from first instruction.
1026 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1028 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1031 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1033 (umulv8hi3_highpart): Ditto.
1034 (vec_widen_smult_hi_v8hi): New expander.
1035 (vec_widen_smult_lo_v8hi): Ditto.
1037 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1040 * builtins.c (do_mpfr_arg3): New.
1041 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1043 2006-11-09 Eric Christopher <echristo@apple.com>
1048 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1049 * config.gcc (powerpc64-*-darwin*): New target.
1050 * config.host: Ditto.
1051 * config/rs6000/darwin64.h: New file.
1052 * config/rs6000/x-darwin64: Ditto.
1053 * config/rs6000/host-ppc64-darwin.c: Ditto.
1055 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1057 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1058 routines for integer division.
1060 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1062 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1064 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1067 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1069 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1071 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1072 simplify_subreg with BLKmode outer mode.
1074 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1076 * doc/invoke.texi: Minor formatting fixes in option lists.
1078 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1080 PR tree-optimization/29738
1081 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1082 (ccp_lattice_t): Remove UNKNOWN_VAL.
1083 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1084 Do not handle UNKNOWN_VAL.
1085 (get_default_value): Set initial value of virtual operands to
1087 (get_value): Always use get_default_value on uninitialized
1089 (set_value_varying, surely_varying_stmt_p): New functions.
1090 (set_lattice_value): Do not pass argument to get_value.
1091 Do not handle UNKNOWN_VAL.
1092 (likely_value): Follow the semantics described in the comment.
1093 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1094 phi nodes DONT_SIMULATE_AGAIN.
1095 (ccp_fold): Do not pass argument to get_value.
1096 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1099 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1101 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1102 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1104 2006-11-08 Roger Sayle <roger@eyesopen.com>
1106 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1107 test for inclusion rather than as a test for exclusion.
1108 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1109 the condition after calling fold_binary.
1110 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1111 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1112 * builtins.c (fold_builtin_isascii): Likewise.
1113 (fold_builtin_isdigit): Likewise.
1115 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1117 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1118 * configure: Regenerate.
1120 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1122 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1123 enum argument instead of bool.
1124 (vect_analyze_operations): Call vectorizable_type_promotion.
1125 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1126 stmt_vec_info_type value.
1127 (supportable_widening_operation, vectorizable_type_promotion): New
1128 function declarations.
1129 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1130 (vectorizable_type_promotion): New function.
1131 (vect_transform_stmt): Call vectorizable_type_promotion.
1132 * tree-vect-analyze.c (supportable_widening_operation): New function.
1133 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1135 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1138 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1139 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1140 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1142 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1143 * expr.c (expand_expr_real_1): Likewise.
1144 * optabs.c (optab_for_tree_code): Likewise.
1145 (init_optabs): Initialize new optabs.
1146 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1147 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1148 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1149 vec_unpacku_lo_optab): Initialize new optabs.
1150 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1151 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1152 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1154 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1155 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1156 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1157 (vec_unpacku_lo_optab): New optabs.
1158 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1159 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1160 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1161 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1162 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1163 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1165 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1166 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1167 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1168 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1169 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1170 implement the unsigned unpacking patterns.
1171 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1172 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1173 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1174 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1175 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1176 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1177 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1178 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1179 multiplication patterns.
1181 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1182 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1183 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1184 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1185 (rs6000_builtin_mul_widen_odd): New.
1186 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1187 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1188 * tree-vectorizer.h (enum vect_relevant): New enum type.
1189 (_stmt_vec_info): Field relevant chaned from bool to enum
1191 (STMT_VINFO_RELEVANT_P): Updated.
1192 (STMT_VINFO_RELEVANT): New.
1193 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1194 instead of STMT_VINFO_RELEVANT_P.
1195 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1196 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1197 and boolean variable with enum vect_relevant.
1198 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1199 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1200 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1202 2006-11-08 Richard Henderson <rth@redhat.com>
1204 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1205 vec_widen_umult_lo_v8hi): New.
1206 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1207 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1209 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1210 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1211 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1212 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1213 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1214 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1215 vec_unpacks_lo_v4si): New.
1217 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1219 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1220 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1221 (vect_analyze_operations): Call vectorizable_type_demotion.
1222 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1223 stmt_vec_info_type value.
1224 (vectorizable_type_demotion): New function declaration.
1225 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1228 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1229 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1231 * tree-iniline.c (estimate_num_insns_1): Likewise.
1232 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1233 * optabs.c (optab_for_tree_code): Likewise.
1235 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1236 compared against the predicate of the result is not 'mode' (the input
1237 to the function) but a mode with half the size of 'mode'.
1238 (init_optab): Initialize new optabs.
1239 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1241 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1243 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1244 (vec_pack_usat_optab): Initialize new optabs.
1245 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1246 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1248 2006-11-08 Richard Henderson <rth@redehat.com>
1250 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1251 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1252 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1253 (vec_interleave_highv4si, vec_interleave_lowv4si):
1254 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1256 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1258 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1260 (vect_transform_stmt): Removed redundant code.
1262 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1264 * tree-vect-transform.c (vectorizable_operation): Support multiple
1267 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1269 * tree-vect-transform.c (vect_align_data_ref): Removed.
1270 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1271 Updated function documentation. Return the increment stmt in ptr_incr.
1272 (bump_vector_ptr): New function.
1273 (vect_get_vec_def_for_stmt_copy): New function.
1274 (vect_finish_stmt_generation): Create a stmt_info to newly created
1276 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1278 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1279 VF is greater than the number of elements that can fit in one vector
1281 (vectorizable_operation, vectorizable_condition): Likewise.
1282 (vectorizable_store, vectorizable_load): Support the case that the VF
1283 is greater than the number of elements that can fit in one vector word.
1284 (vect_transform_loop): Don't fail in case of multiple data-types.
1285 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1286 in case of multiple data-types; the smallest type determines the VF.
1287 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1288 if they are of different sizes.
1289 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1290 number of elements rather than number of bytes.
1291 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1292 (vect_can_advance_ivs_p): Fix a dump printout
1294 2006-11-07 Eric Christopher <echristo@apple.com>
1296 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1297 (__bswapsi2): Ditto.
1298 * libgcc2.h: Remove transformation of bswap routines.
1299 * config/i386/i386.md (bswapsi2): New.
1302 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1304 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1305 (handle_gnu_inline_attribute): New function.
1306 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1307 (merge_decls, start_decl, start_function): Likewise.
1308 * doc/extend.texi: Document gnu_inline attribute.
1310 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1313 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1314 _fixunstfdi, and _floatditf
1316 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1318 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1320 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1321 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1322 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1323 which start in an odd register.
1325 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1327 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1329 2006-11-07 Josh Conner <jconner@apple.com>
1331 * doc/invoke.texi (fstrict-aliasing): Move implementation
1333 * doc/tree-ssa.texi (Alias analysis): ...here.
1335 2006-11-07 Richard Guenther <rguenther@suse.de>
1337 PR tree-optimization/29610
1338 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1339 of tree_purge_dead_eh_edges as it may free dominators.
1341 * g++.dg/other/pr29610.C: New testcase.
1343 2006-11-07 David Ung <davidu@mips.com>
1345 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1346 costs when optimizing for size.
1347 (override_options): Use mips_rtx_cost_optimize_size table for cost
1350 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1352 * gcc.c (process_command): Treat -b as normal switch if its argument
1355 2006-11-07 David Ung <davidu@mips.com>
1357 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1360 2006-11-06 Eric Christopher <echristo@apple.com>
1362 * config.gcc: Add x86_64-darwin host support.
1363 * config.host: Ditto.
1364 * config/i386/darwin64.h: New file.
1365 * config/i386/t-darwin64: Ditto.
1367 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1369 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1370 and output-exists-not.
1372 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1375 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1376 checking for overflow.
1378 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1380 * configure.ac: Fixed typo in case statement: :: changed to ;;
1382 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1384 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1385 count_leading_zeros, and count_trailing_zeros.
1386 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1387 (TARGET_FOLD_BUILTIN): Define.
1388 (TARGET_EXPAND_BUILTIN): Define.
1389 (xtensa_init_builtins): New.
1390 (xtensa_fold_builtin): New.
1391 (xtensa_expand_builtin): New.
1392 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1393 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1394 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1395 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1396 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1397 (any_extend): New code macro.
1398 (u, su): New code attributes.
1399 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1400 (nsau): Remove; replaced by clzsi2.
1401 (ffssi2): Use clzsi2.
1402 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1403 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1404 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1405 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1406 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1408 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1410 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1412 * config/arm/t-strongarm-elf: Likewise.
1413 * config/arm/t-pe: Likewise.
1414 * config/arm/t-arm-elf: Likewise.
1415 * config/arm/t-xscale-elf: Likewise.
1416 * config/arm/t-arm-coff: Likewise.
1417 * config/arm/t-xscale-coff: Likewise.
1418 * config/arm/t-wince-pe: Likewise.
1420 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1422 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1425 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1428 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1431 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1434 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1435 as a valid 80387 constant.
1436 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1437 * config/i386/i386.md (unnamed splitter): Split the load of
1438 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1441 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1443 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1444 from the soft-frame, argument and virtual registers.
1446 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1448 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1449 patterns for standard 80387 constants.
1451 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1452 Steven Bosscher <steven@gcc.gnu.org>
1454 * fwprop.c: New file.
1455 * Makefile.in: Add fwprop.o.
1456 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1457 * passes.c (init_optimization_passes): Schedule forward propagation.
1458 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1460 * timevar.def (TV_FWPROP): New.
1461 * common.opt (-fforward-propagate): New.
1462 * opts.c (decode_options): Enable forward propagation at -O2.
1463 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1464 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1465 canon_for_address, table_size): Remove.
1466 (new_basic_block, insert, remove_from_table): Remove references to
1468 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1469 simplification loop more straightforward by not calling fold_rtx
1471 (equiv_constant): Move here a small part of fold_rtx_subreg,
1472 do not call fold_rtx. Call avoid_constant_pool_reference
1474 * recog.h (canonicalize_change_group): New.
1476 * doc/invoke.texi (Optimization Options): Document fwprop.
1477 * doc/passes.texi (RTL passes): Document fwprop.
1479 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1481 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1482 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1483 (grokdeclarator): Likewise.
1485 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1487 * tree-dump.c (dump_enable_all): Rename local variable
1488 ir_type to avoid name conflicts.
1489 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1490 instead of using ir_type().
1491 * profile.c (tree_register_profile_hooks): Likewise.
1492 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1493 * basic-block.h (struct edge_def): Likewise.
1494 * config/arm/arm.c (legitimize_pic_address): Likewise.
1495 * coretypes.h (ir_type): New enum of all intermediate languages
1497 * cfghooks.c (ir_type): Rename to...
1498 (current_ir_type): ...this. Distinguish between cfgrtl and
1499 cfglayout mode when the current IR is RTL. Return enum ir_type.
1500 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1502 2006-11-03 Paul Brook <paul@codesourcery.com>
1504 * config/arm/arm.c (arm_file_start): New function.
1505 (TARGET_ASM_FILE_START): Define.
1506 (arm_default_cpu): New variable.
1507 (arm_override_options): Set arm_default_cpu.
1509 2006-11-03 David Ung <davidu@mips.com>
1511 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1512 PROCESSOR_24KC and PROCESSOR_24KF.
1513 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1514 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1515 (mips_rtx_cost_data): Add costs for the 24kc.
1516 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1517 * config/mips/24k.md: Remove references to 24k and replace with
1518 uses of 24kc/24kf in the appropriate reservations.
1519 * doc/invoke.texi (MIPS Options): Updated.
1521 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1523 * config/sh/crt1.asm: Fix #ifdef indent.
1525 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1526 Merged from STMicroelectronics sources:
1527 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1528 * config/sh/crt1.asm (vbr_600): Add missing #if.
1529 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1530 * sh.opt (mfused-madd): New option.
1531 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1532 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1533 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1534 Remove pointless handler at VBR+0.
1535 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1536 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1537 fr7. Make sure the timer handler is called with the correct FPU
1538 precision setting, according to the ABI.
1539 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1540 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1541 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1542 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1543 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1544 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1545 zero as second operand.
1546 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1547 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1548 Fixed some bugs related to negative values, in particular -0
1549 and overflow at -0x80000000.
1550 * config/sh/divcost-analysis: Added sh4-300 figures.
1551 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1552 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1553 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1554 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1555 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1556 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1558 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1560 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1561 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1562 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1563 mac_mem, mem_mac, dfp_mul, fp_cmp.
1564 (insn_class, dfp_comp, any_fp_comp): Update.
1565 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1566 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1567 (muldf3_i): Likewise.
1568 (movsi_i): Split rI08 alternative into two separate alternatives.
1570 (movsi_ie, movsi_i_lowpart): Likewise.
1571 (movqi_i): Split ri alternative into two separate alternatives.
1573 * sh1.md (sh1_load_store, sh1_fp): Update.
1574 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1575 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1576 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1577 (sh4a_fp_double_arith): Likewise.
1578 * sh4-300.md: New file.
1579 * sh.c (sh_handle_option): Handle m4-300* options.
1580 (sh_adjust_cost): Fix latency of auto-increments.
1581 Handle SH4-300 differently than other SH4s. Check for new insn types.
1582 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1583 been set by an option.
1584 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1585 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1586 (mbranch-cost=): Likewise.
1587 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1589 * sh.md (mulsf3): Remove special expansion code.
1590 (mulsf3_ie): Now a define_insn_and_split.
1591 (macsf3): Allow for TARGET_SH4.
1593 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1594 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1595 (expand_cbranchdi4): Likewise.
1596 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1597 CONST_DOUBLE if the outer code is COMPARE.
1598 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1599 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1600 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1601 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1602 Remove redundant fp_{zero,one}_operand checks.
1603 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1604 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1605 (expand_cbranchdi4): Likewise.
1606 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1607 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1609 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1611 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1614 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1616 * doc/invoke.texi: Fix mfp-trap-mode typo.
1618 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1620 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1621 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1622 file_end_indicate_exec_stack.
1623 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1625 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1626 for a non-executable stack.
1627 * crti.asm: Likewise.
1628 * crtn.asm: Likewise.
1629 * libunwind.S: Likewise.
1631 2006-11-02 Ben Elliston <bje@au.ibm.com>
1633 * tree-ssa.c (warn_uninit): Use expand_location variables for
1634 locus and declaration locus.
1636 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1639 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1640 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1641 cmp{eq,gt,gtu}{si,di}_media.
1642 (*cmpne0si_media): Remove.
1643 (*movsicc_umin): Adjust gen_cmp*_media call.
1644 (unordered): Change the mode of unordered and operands[1] to
1646 (seq): Adjust gen_cmp*_media calls. Make the mode of
1647 a temporary result of compare SImode if needed. If the mode
1648 of operands[0] is DImode, extend the temporary result to DImode.
1649 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1650 (sunorderd): Change the mode of match_operand and unorderd to
1652 (cmpeq{sf,df}_media): Remove.
1653 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1654 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1655 and compare operation to SImode.
1657 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1659 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1661 (sparc64-sun-solaris2*): Likewise.
1663 2006-11-02 Paul Brook <paul@codesourcery.com>
1665 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1666 from priority argument. Use different section for non-default
1668 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1670 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1673 * except.c (switch_to_exception_section): Do not cache the section
1674 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1675 and flag_function_sections is set.
1677 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1680 * builtins.c (do_mpfr_sincos): New.
1681 (fold_builtin_1): Use it to fold builtin sincos.
1683 2006-11-01 Roger Sayle <roger@eyesopen.com>
1685 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1686 it into -D_REENTRANT.
1688 2006-11-01 Roger Sayle <roger@eyesopen.com>
1690 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1691 whether the assembler supports taking the difference of symbols in
1692 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1693 * configure: Regenerate.
1694 * config.in: Regenerate.
1695 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1696 the assembler doesn't support taking the difference of symbols in
1697 different sections, i.e. we're using the native solaris assembler.
1699 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1700 Peter Bergner <bergner@vnet.ibm.com>
1702 * doc/invoke.texi: Add cpu_type power6x
1703 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1704 * config.gcc: Add cpu_type power6x.
1705 * configure.ac: Add test for mf{t,f}gpr instructions.
1706 (HAVE_AS_MFPGPR): New.
1707 * config.in: Regenerate.
1708 * configure: Regenerate.
1709 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1710 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1711 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1712 and mftgpr attributes.
1713 (define_attr "cpu"): Add power6.
1714 Change instruction sequences to use new attributes.
1715 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1716 (fix_truncdfsi2_mfpgpr): New.
1717 (floatsidf_ppc64_mfpgpr): New.
1718 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1719 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1720 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1721 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1722 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1723 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1724 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1725 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1726 cntlz,exts and var_delayed_compare.
1727 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1728 _ARCH_PWR6X, if features enabled.
1729 * config/rs6000/rs6000.opt (mmfpgpr): New.
1730 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1731 (cached_can_issue_more): New variable.
1732 (processor_costs): Add power6_cost.
1733 (rs6000_sched_init): New function.
1734 (is_dispatch_slot_restricted): Deleted.
1735 (set_to_load_agen): New function.
1736 (is_load_insn,is_store_insn): New functions.
1737 (adjacent_mem_locations): New function.
1738 (insn_must_be_first_in_group): New function.
1739 (insn_must_be_last_in_group): New function.
1740 (rs6000_sched_reorder): New function.
1741 (rs6000_sched_reorder2): New function.
1742 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1743 TARGET_SCHED_REORDER2): Define.
1744 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1745 Add power6x. Add MASK_MFPGPR for power6x.
1746 (POWERPC_MASKS): Add MASK_MFPGPR.
1747 (rs6000_override_options): Set rs6000_always_hint to false
1748 for power6. Set rs6000_align_branch_targets. Replace
1749 rs6000_sched_groups check with rs6000_align_branch_targets.
1750 Use PROCESSOR_POWER6.
1751 (last_scheduled_insn): New variable.
1752 (load_store_pendulum): New variable.
1753 (rs6000_variable_issue): Set last_scheduled_insn and
1754 cached_can_issue_more.
1755 (rs6000_adjust_cost): Add power6 cost adjustments.
1756 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1757 with insn_must_be_first_in_group. Add power6 priority adjustments.
1758 (rs6000_issue_rate): Add CPU_POWER6.
1759 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1760 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1761 (TARGET_MFPGPR): New.
1762 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1763 (ASM_CPU_SPEC): Add power6x.
1764 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1766 * config/rs6000/power6.md: New file.
1768 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1770 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1771 HOST_WIDE_INT_PRINT to print high and low parts. Use
1772 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1773 printing a hexadecimal number prefix it with 0x.
1775 2006-11-01 Chris Johns <chris@contemporary.net.au>
1778 * Makefile.in (install-driver): Use exeext when installing
1779 $target-gcc-$version.
1781 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1783 * c-common.c (flag_cpp0x): New.
1784 * c-common.h (flag_cpp0x): New.
1785 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1786 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1787 * c-opts.c (set_std_cxx0x): New.
1788 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1789 * c.opt (std=c++0x): Document.
1790 (std=gnu++0x): Ditto.
1791 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1792 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1794 2006-11-01 Richard Guenther <rguenther@suse.de>
1796 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1798 (ix86_expand_floorceildf_32): Likewise.
1799 (ix86_expand_floorceil): Likewise.
1800 (ix86_expand_trunc): Likewise.
1802 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1804 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1807 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1809 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1811 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1813 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1815 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1816 * configure.ac (use_cxa_atexit): As a special case, don't test
1817 for libc definition of __cxa_atexit on mingw32
1818 * configure: Regenerate.
1819 * config.gcc (i[34567]86-pc-mingw32): Default to
1820 enable__cxa_atexit=yes.
1822 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1824 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1826 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1829 * c-decl.c (start_struct): Don't create self-containing
1831 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1833 * config/rs6000/rs6000-protos.h
1834 (darwin_rs6000_special_round_type_align): New.
1835 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1836 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1838 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1840 * toplev.c (compile_file): Call final_write_globals
1841 even if there have been errors.
1843 2006-10-31 Eric Christopher <echristo@apple.com>
1844 Falk Hueffner <falk@debian.org>
1846 * doc/extend.texi (__builtin_bswap32): Document.
1847 (__builtin_bswap64): Ditto.
1848 * doc/libgcc.texi (bswapsi2): Document.
1850 * doc/rtl.texi (bswap): Document.
1851 * optabs.c (expand_unop): Don't widen a bswap.
1852 (init_optabs): Init bswap. Set libfuncs explicitly
1853 for bswapsi2 and bswapdi2.
1854 * optabs.h (OTI_bswap): New.
1855 (bswap_optab): Ditto.
1856 * genopinit.c (optabs): Handle bswap_optab.
1857 * tree.h (tree_index): Add TI_UINT32_TYPE and
1859 (uint32_type_node): New.
1860 (uint64_type_node): Ditto.
1861 * tree.c (build_common_tree_nodes_2): Initialize
1862 uint32_type_node and uint64_type_node.
1863 * builtins.c (expand_builtin_bswap): New.
1864 (expand_builtin): Call.
1865 (fold_builtin_bswap): New.
1866 (fold_builtin_1): Call.
1867 * fold-const.c (tree_expr_nonnegative_p): Return true
1869 * builtin-types.def (BT_UINT32): New.
1871 (BT_FN_UINT32_UINT32): Ditto.
1872 (BT_FN_UINT64_UINT64): Ditto.
1873 * builtins.def (BUILT_IN_BSWAP32): New.
1874 (BUILT_IN_BSWAP64): Ditto.
1875 * rtl.def (BSWAP): New.
1876 * genattrtab.c (check_attr_value): New.
1877 * libgcc2.c (__bswapSI2): New.
1878 (__bswapDI2): Ditto.
1879 * libgcc2.h (__bswapSI2): Declare.
1880 (__bswapDI2): Ditto.
1881 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1882 * simplify-rtx.c (simplify_const_unary_operation): Return
1884 * libgcc-std.ver (__bwapsi2): Add.
1885 (__bswapdi2): Ditto.
1886 * reload1.c (eliminate_regs_1): Add bswap.
1887 (elimination_effects): Ditto.
1888 * config/i386/i386.h (x86_bswap): New.
1889 (TARGET_BSWAP): Use.
1890 * config/i386/i386.c (x86_bswap): Set.
1892 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1894 * coverage.c (coverage_checksum_string): Update comment.
1895 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1896 of get_file_function_name.
1897 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1898 of get_file_function_name_long.
1899 * tree.c (get_file_function_name): Rename from
1900 get_file_function_name_long; improve comment; handle 'I' and 'D'
1901 specially when the target has ctor/dtor support; remove special
1903 (get_file_function_name): Remove.
1904 * tree.h (get_file_function_name): Rename from
1905 get_file_function_name_long.
1906 (get_file_function_name): Remove prototype.
1908 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1910 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1911 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1913 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1914 Call dsymutil when compiling and linking one or more source files
1917 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1920 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1922 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1924 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1925 inline static functions in c99 mode.
1928 * doc/extend.texi (Inline): Update.
1929 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1930 * c-decl.c (current_extern_inline): Delete.
1931 (pop_scope): Adjust test for an undefined nested function.
1932 Add warning about undeclared inline function.
1933 (diagnose_mismatched_decls): Update comments. Disallow overriding
1934 of inline functions in a translation unit in C99. Allow inline
1935 declarations in C99 at any time.
1936 (merge_decls): Boolize variables. Handle C99 'extern inline'
1938 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1939 C99 inline semantics.
1940 (start_function): Don't clear current_extern_inline. Don't set
1942 (c_push_function_context): Don't push current_extern_inline.
1943 (c_pop_function_context): Don't restore current_extern_inline.
1946 * c-typeck.c (build_external_ref): Warn about static variables
1947 used in extern inline functions.
1948 * c-decl.c (start_decl): Warn about static variables declared
1949 in extern inline functions.
1951 2006-10-31 Roger Sayle <roger@eyesopen.com>
1954 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1955 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1956 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1957 or y is an even integer.
1959 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1962 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1963 * gthr-posix95.h (__gthread_active_p): Likewise.
1965 2006-10-31 Richard Guenther <rguenther@suse.de>
1967 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1968 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1969 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1970 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1971 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1972 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1973 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1974 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1977 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1979 * opts.c (decode_options): Disable CSE skip blocks.
1981 2006-10-30 Dirk Mueller <dmueller@suse.de>
1983 * c-common.h (strict_aliasing_warning): Fix whitespace.
1984 * c-decl (start_function): Move code for main decl warning ..
1985 * c-common.c (check_main_parameter_types): .. here.
1986 * c-common.h (check_main_parameter_types): Declare.
1988 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1991 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1993 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1995 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1996 be a PARALLEL containing sets. Return false when out_pat is not
1999 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2001 * config/mips/mips.md (mul<mode>3): Split into...
2002 (mulsi3, muldi3): ...these separate patterns.
2004 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2006 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2007 but with each set of options separated by spaces.
2009 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2011 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2012 dwarf_reg_size_table has been initialized.
2014 2006-10-30 Roger Sayle <roger@eyesopen.com>
2016 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2017 * ddg.c (print_ddg_edge): Likewise.
2018 * dwarf2out.c (prune_unused_types_walk): Likewise.
2019 * ifcvt.c (noce_try_cmove_arith): Likewise.
2020 * langhooks.c (add_builtin_function): Likewise.
2021 * reg-stack.c (subst_stack_regs_pat): Likewise.
2022 * tree.c (expanded_location): Likewise.
2023 * tree-dump.c (dequeue_and_dump): Likewise.
2025 2006-10-30 David Daney <ddaney@avtrex.com>
2027 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2029 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2031 PR tree-optimization/29637
2032 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2033 of the innertype is the innertype itself.
2035 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2037 * dwarf2out.c (file_name_acquire): Correct typo.
2039 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2041 * tree.h (tree_value_handle): Remove struct value_set declaration.
2042 Change value_set to bitmap_set.
2043 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2044 * tree-vn.c (get_value_handle): Made inline and moved to
2046 * tree-flow-inline.h: (has_stmt_ann): New function.
2047 * tree-ssa-pre.c (expressions): New variable.
2048 (next_expression_id): Ditto.
2049 (alloc_expression_id): New function.
2050 (struct value_set): Remove.
2051 (get_expression_id): New function.
2052 (get_or_alloc_expression_id): Ditto.
2053 (expression_for_id): Ditto.
2054 (clear_expression_ids): Ditto.
2055 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2056 (bb_value_sets): Renamed to bb_bitmap_sets.
2057 All value sets replaced with bitmap_sets.
2059 (BB_VISITED): New macro.
2060 (postorder): New variable.
2061 (add_to_value): Removed.
2062 (value_exists_in_set_bitmap): Ditto.
2063 (value_insert_into_set_bitmap): Ditto.
2066 (set_remove): Ditto.
2067 (set_contains_value): Ditto.
2068 (insert_into_set): Ditto.
2070 (find_leader): Ditto.
2071 (bitmap_set_subtract_from_value_set): Ditto.
2072 (value_insert_into_set): Ditto.
2073 (print_value_set): Ditto.
2074 (debug_value_set): Ditto.
2075 (constant_expr_p): New function.
2076 (bitmap_remove_from_set): Ditto.
2077 (bitmap_insert_into_set): Ditto.
2078 (bitmap_set_free): Ditto.
2079 (vh_compare): Ditto.
2080 (sorted_array_from_bitmap_set): Ditto.
2081 (bitmap_set_subtract): Ditto.
2082 (bitmap_set_equal): Ditto.
2083 (debug_bitmap_set): Ditto.
2084 (find_leader_in_sets): Ditto.
2085 (bitmap_set_replace_value): Modify for bitmapped sets.
2086 (phi_translate): Ditto.
2087 (phi_translate_set): Ditto.
2088 (bitmap_find_leader): Ditto.
2089 (valid_in_sets): Ditto.
2090 (union_contains_value): Ditto.
2092 (compute_antic_aux): Ditto. Mark changed blocks.
2093 (compute_antic): Ditto. Iterate in postorder and only over
2095 (compute_rvuse_and_antic_safe): Reuse postorder.
2096 (create_component_ref_by_pieces): Modify for bitmapped sets.
2097 (find_or_generate_expression): Ditto.
2098 (create_expression_by_pieces): Ditto.
2099 (insert_into_preds_of_block): Ditto.
2100 (changed_blocks): New variable.
2101 (do_regular_insertion): Broken out from insert_aux.
2102 (insert_aux): Modified for bitmapped sets.
2103 (find_existing_value_expr): New function.
2104 (create_value_expr_from): Use it.
2105 (insert_extra_phis): Removed.
2106 (print_bitmap_set): Renamed from bitmap_print_value_set.
2107 (compute_avail): Handle RETURN_EXPR.
2108 (init_pre): Modify for bitmapped sets.
2109 * tree-flow.h (has_stmt_ann): New function.
2111 2006-10-29 Roger Sayle <roger@eyesopen.com>
2113 * builtins.c (fold_builtin_floor): Check for the availability of
2114 the C99 trunc function before transforming floor into trunc.
2116 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2118 * builtins.c (fold_builtin_hypot): Rearrange recursive
2119 transformation before others, and also do ABS_EXPR. When
2120 necessary, check flag_unsafe_math_optimizations. When necessary,
2123 2006-10-29 Roger Sayle <roger@eyesopen.com>
2125 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2126 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2127 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2128 Fold -X eq/ne -Y as X eq/ne Y.
2130 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2132 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2133 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2134 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2135 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2136 Use an inclusive test for "mult" rather than "mul".
2137 (rotr<mode>3): Depend on ISA_HAS_ROR.
2138 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2140 (GENERATE_MULT3_DI): Delete.
2141 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2142 (ISA_HAS_MUL3): New macro.
2143 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2144 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2145 (ISA_HAS_CLZ_CLO): Likewise.
2146 (ISA_HAS_DCLZ_DCLO): Delete.
2147 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2148 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2149 the VR4120 and VR4130.
2150 (ISA_HAS_MACCHI): Use consistent formatting.
2151 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2152 (ISA_HAS_ROR): ...this new macro.
2153 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2154 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2155 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2157 2006-10-29 Roger Sayle <roger@eyesopen.com>
2159 PR tree-optimization/15458
2160 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2163 2006-10-29 Richard Guenther <rguenther@suse.de>
2165 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2166 (ix86_expand_truncdf_32): Likewise.
2167 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2168 trunc inline for SSE math and -fno-trapping-math and if not
2169 optimizing for size.
2170 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2171 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2172 for expanding btrunc inline for SSE math.
2174 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2176 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2177 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2178 i[34567]86-*-solaris2.1[0-9]*.
2179 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2180 Define conditionally depending on TARGET_64BIT_DEFAULT.
2181 (SPEC_32, SPEC_64): Define.
2182 (LINK_SPEC): Use them.
2183 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2185 2006-10-29 Richard Guenther <rguenther@suse.de>
2187 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2188 (ix86_expand_rounddf_32): Likewise.
2189 * config/i386/i386.c (ix86_expand_round): New function expanding
2190 round inline for SSE math and -fno-trapping-math and if not
2191 optimizing for size.
2192 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2193 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2194 round via ix86_expand_round.
2196 2006-10-29 Richard Guenther <rguenther@suse.de>
2198 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2199 (ix86_expand_floorceildf_32): Likewise.
2200 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2201 static helper function.
2202 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2204 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2205 * config/i386/i386.md (floordf2): Adjust to enable floor
2206 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2207 -fno-trapping-math is enabled and if not optimizing for size.
2208 (floorsf2, ceildf2, ceilsf2): Likewise.
2209 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2210 (sse2_maskcmpdf3): Likewise.
2212 2006-10-29 Richard Guenther <rguenther@suse.de>
2214 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2215 rint in case -fno-trapping-math is enabled.
2216 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2217 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2218 (ix86_expand_sse_fabs): Likewise.
2219 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2220 * config/i386/i386.md (rintdf2): Enable for SSE math if
2221 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2222 (rintsf2): Likewise.
2224 2006-10-29 Richard Guenther <rguenther@suse.de>
2226 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2227 to conversion optabs.
2228 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2229 as conversion optab.
2230 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2231 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2232 (lfloor_optab, lceil_optab): Adjust defines.
2233 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2234 lfloor and lceil optabs now being conversion optabs.
2235 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2236 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2237 New static helper function.
2238 (ix86_expand_lfloorceil): New function to expand lfloor and
2240 * config/i386/i386.md (lfloor<mode>2): Split into ...
2241 (lfloorxf<mode>2): ... x87 variant
2242 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2243 using ix86_expand_lfloorceil.
2244 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2246 * doc/md.texi (lfloorMN, lceilMN): Document.
2248 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2250 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2251 -mno-shared assembler option on mips targets.
2252 * configure, config.in: Regenerate.
2253 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2254 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2255 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2257 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2259 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2260 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2262 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2264 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2265 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2268 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2271 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2272 (fold_builtin_pow): Evaluate constant arguments at compile-time
2274 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2275 (do_mpfr_ckconv): New helper function.
2276 (do_mpfr_arg1): Use do_mpfr_ckconv.
2277 (do_mpfr_arg2): New.
2279 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2282 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2283 (-fdump-rtl-sched): Rename to ..
2284 (-fdump-rtl-sched1): here. Also fix file extension number.
2286 2006-10-28 Richard Guenther <rguenther@suse.de>
2288 * fold-const.c (maybe_canonicalize_comparison): Fix code
2291 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2293 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2294 (NON_QI_REG_P): Use IN_RANGE.
2295 (REX_INT_REGNO_P): Use IN_RANGE.
2296 (FP_REGNO_P): Use IN_RANGE.
2297 (SSE_REGNO_P): Use IN_RANGE.
2298 (REX_SSE_REGNO_P): Use IN_RANGE.
2299 (MMX_REGNO_P): Use IN_RANGE.
2300 (STACK_REGNO_P): New macro.
2301 (STACK_REG_P): Use STACK_REGNO_P.
2302 (NON_STACK_REG_P): Use STACK_REGNO_P.
2303 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2304 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2305 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2306 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2307 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2309 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2311 * except.h (output_function_exception_table): Add 'const char*' param.
2312 * except.c (switch_to_exception_section): Add 'const char*' param.
2313 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2314 and flag_function_sections is set, use a function-specific section.
2315 (output_function_exception_table): Add 'const char*' param.
2316 Adjust call to switch_to_exception_section.
2317 * final.c (rest_of_handle_final): Adjust calls to
2318 output_function_exception_table.
2319 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2320 * config.in: Regenerate.
2321 * configure: Likewise.
2323 2006-10-28 Richard Guenther <rguenther@suse.de>
2326 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2327 for maybe_canonicalize_comparison.
2328 (maybe_canonicalize_comparison): New function for canonicalizing
2330 (fold_comparison): Call it to canonicalize comparisons with
2333 2006-10-28 Richard Guenther <rguenther@suse.de>
2336 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2337 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2338 (expand_builtin): Adjust likewise.
2339 * genopinit.c (optabs[]): Add lround optab.
2340 * optabs.c (init_optabs): Initialize lround_optab.
2341 * optabs.h (enum convert_optab_index): Add COI_lround.
2342 (lround_optab): Define.
2343 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2344 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2346 (ix86_expand_lround): New function.
2347 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2349 * doc/md.texi (lroundMN2): Document.
2351 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2354 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2355 argument to HOST_WIDE_INT. Update function prototype.
2356 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2357 "size" argument to HOST_WIDE_INT. Update function prototype.
2359 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2361 * config/i386/i386.c (output_387_ffreep): Create output from a
2362 template string for !HAVE_AS_IX86_FFREEP.
2364 2006-10-27 Eric Christopher <echristo@apple.com>
2366 * config/darwin.c: Fix formatting and grammar.
2368 2006-10-27 Jan Hubicka <jh@suse.cz>
2370 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2371 to be thrown away soon when IGNORE is set.
2372 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2373 indicating when return value shall not be computed.
2374 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2376 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2378 * config/i386/i386.h (TARGET_GEODE):
2379 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2380 (TARGET_CPU_DEFAULT_geode): New macro.
2381 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2382 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2383 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2384 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2385 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2387 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2388 (processor_type): Add PROCESSOR_GEODE.
2390 * config/i386/i386.md: Include geode.md.
2393 * config/i386/i386.c (geode_cost): New initialized global
2395 (m_GEODE, m_K6_GEODE): New macros.
2396 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2397 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2398 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2399 x86_schedule): Use m_K6_GEODE instead of m_K6.
2400 (x86_movx, x86_cmove): Set up m_GEODE.
2401 (x86_integer_DFmode_moves): Clear m_GEODE.
2402 (processor_target_table): Add entry for geode.
2403 (processor_alias_table): Ditto.
2405 * config/i386/geode.md: New file.
2407 * doc/invoke.texi: Add entry about geode processor.
2409 2006-10-27 Mike Stump <mrs@apple.com>
2411 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2412 __DYNAMIC__ from here back to ...
2413 * config/darwin.h (CPP_SPEC): ... here.
2415 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2416 Nathan Sidwell <nathan@codesourcery.com>
2418 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2419 when choosing the minimum heapsize.
2421 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2423 * gcc/unwind-dw2.h: Move cfa-related variables into
2424 struct frame_state_reg_info to ensure that the CFA is properly
2425 handled when executing DW_CFA_{remember,restore}_state.
2426 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2427 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2428 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2429 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2430 gcc/config/rs6000/linux-unwind.h,
2431 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2432 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2433 Modify to use new cfa_* fields.
2435 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2437 * config/s390/s390.c (s390_init_frame_layout): Check positive
2440 2006-10-26 Ben Elliston <bje@au.ibm.com>
2442 * gimplify.c (get_name): Remove extraneous break.
2443 (gimplify_omp_for): Initialise ret with GS_OK.
2445 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2447 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2448 Add unix98.o to link line.
2450 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2453 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2454 Calculate compile-time constants using MPFR.
2455 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2456 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2458 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2460 * config/xtensa/lib2funcs.S: Use C-style comments.
2462 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2464 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2465 (file_table_relative_p): Likewise.
2466 (dwarf2out_finish): Likewise.
2467 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2469 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2471 * tree-ssa-structalias.c (intra_create_variable_infos):
2472 Don't recreate nonlocal_all if it already exists.
2474 2006-10-25 Richard Guenther <rguenther@suse.de>
2477 * optabs.h (enum optab_index): Remove OTI_lrint.
2478 (enum convert_optab_index): Add COI_lrint.
2479 (lrint_optab): Adjust.
2480 (expand_sfix_optab): Declare.
2481 * optabs.c (expand_sfix_optab): New function.
2482 (init_optabs): Init lrint_optab as conversion optab.
2483 * genopinit.c (lrint_optab): Change to a conversion optab.
2484 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2485 expansion via conversion optab.
2486 * config/i386/i386.md (*fistdi2_1): Remove
2487 flag_unsafe_math_optimizations guard.
2488 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2489 fist<mode>2_with_temp): Likewise.
2490 (lrint<mode>2): Split into...
2491 (lrintxf<mode>2): ... x87 part
2492 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2493 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2494 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2495 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2496 * doc/md.texi (lrintMN2): Document.
2498 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2501 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2502 Use inc and dec instructions for TARGET_USE_INCDEC.
2503 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2504 ("sync_double_compare_and_swap<mode>"): Likewise.
2505 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2506 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2507 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2508 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2509 ("sync_old_add<mode>"): Likewise.
2510 ("sync_lock_test_and_set<mode>"): Likewise.
2511 ("sync_lock_test_and_set<mode>"): Likewise.
2512 ("sync_add<mode>"): Likewise.
2513 ("sync_sub<mode>"): Likewise.
2514 ("sync_ior<mode>"): Likewise.
2515 ("sync_and<mode>"): Likewise.
2516 ("sync_xor<mode>"): Likewise.
2518 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2520 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2521 (remainder_optab): Define corresponding macro.
2522 (drem_optab): Remove.
2523 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2524 drem_optab initialization.
2525 * genopinit.c (optabs): Implement remainder_optab using
2526 remainder?f3 patterns. Remove drem_optab.
2527 * builtins.c (expand_builtin_mathfn_2): Handle
2528 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2529 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2530 expand_builtin_mathfn_2.
2532 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2533 depend on flag_unsafe_math_optimizations.
2535 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2536 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2537 Do not depend on flag_unsafe_math_optimizations. Use
2538 truncxf?f expander instead of truncxf?f_i387_noop.
2540 ("fpremxf4", "fprem1xf4"): Do not depend on
2541 flag_unsafe_math_optimizations.
2542 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2543 flag_unsafe_math_optimizations. Use truncxf?f expander
2544 instead of truncxf?f_i387_noop.
2546 * doc/md.texi (fmod, remainder): Document standard named pattern.
2548 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2549 David Daney <ddaney@avtrex.com>
2552 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2554 2006-10-25 Ben Elliston <bje@au.ibm.com>
2556 * doc/extend.texi (Variable Attributes): Typo fix.
2558 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2560 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2561 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2562 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2563 (FRAME_POINTER_REGNUM): Update register number to 21.
2564 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2565 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2567 * config/i386/i386.c (regclass_map): Add fpcr entry.
2568 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2570 (print_reg): Assert REGNO (x) != FPCR_REG.
2572 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2573 (DIRFLAG_REG): Renumber.
2574 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2575 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2576 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2577 hardcoded SSE register numbers.
2579 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2580 hardcoded MMX register numbers.
2582 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2585 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2586 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2588 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2589 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2590 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2591 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2593 2006-10-24 Richard Guenther <rguenther@suse.de>
2596 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2597 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2598 for deciding optimizations in consistency with fold-const.c
2599 (fold_builtin_unordered_cmp): Likewise.
2601 2006-10-24 Richard Guenther <rguenther@suse.de>
2603 * builtins.c (fold_builtin_floor): Fold floor (x) where
2604 x is nonnegative to trunc (x).
2605 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2606 nonnegative to FIX_TRUNC_EXPR.
2608 2006-10-24 Richard Guenther <rguenther@suse.de>
2610 PR tree-optimization/29567
2611 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2612 for TRUTH_NOT_EXPR. Clarify comments.
2614 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2617 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2618 at compile-time using MPFR. Change parameter VALUE to FUNC,
2620 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2621 for overflow and underflow at all times and avoid folding in
2624 2006-10-24 Ben Elliston <bje@au.ibm.com>
2626 * reload1.c: Formatting fixes.
2628 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2630 PR tree-optimization/14784
2631 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2632 * tree-ssa-structalias.c (get_constraint_for,
2633 intra_create_variable_infos): Set is_heapvar.
2634 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2635 non-heapvar pointer variables specially.
2637 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2640 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2641 fold_builtin_tan): Fold all constant arguments. Take a "type"
2642 argument as necessary.
2643 (do_mpfr_arg1): New.
2644 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2646 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2648 * config/xtensa/lib1funcs.asm: Use C-style comments.
2650 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2652 * tree.c (local_define_builtin): Replace calls to
2653 lang_hooks.builtin_function with add_builtin_function.
2654 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2656 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2658 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2659 common code to add_builtin_function.
2660 * langhooks.c (add_builtin_function): New function.
2661 (lhd_builtin_function): New function.
2662 * langhooks.h (struct lang_hooks): Change the signature of
2664 (add_builtin_function): New function.
2665 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2666 calls to lang_hooks.builtin_function with add_builtin_function.
2667 * c-common.c (decl_builtin_1): Replace calls to
2668 lang_hooks.builtin_function with add_builtin_function.
2669 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2670 lang_hooks.builtin_function with add_builtin_function.
2671 * config/frv/frv.c (def_builtin): Replace calls to
2672 lang_hooks.builtin_function with add_builtin_function.
2673 * config/s390/s390.c (s390_init_builtins): Replace calls to
2674 lang_hooks.builtin_function with add_builtin_function.
2675 * config/sparc/sparc.c (def_builtin): Replace calls to
2676 lang_hooks.builtin_function with add_builtin_function.
2677 * config/i386/i386.c (def_builtin): Replace calls to
2678 lang_hooks.builtin_function with add_builtin_function.
2679 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2680 lang_hooks.builtin_function with add_builtin_function.
2681 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2682 lang_hooks.builtin_function with add_builtin_function.
2683 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2684 Replace calls to lang_hooks.builtin_function with
2685 add_builtin_function.
2686 * config/iq2000/iq2000.c (def_builtin):
2687 Replace calls to lang_hooks.builtin_function with
2688 add_builtin_function.
2689 * config/ia64/ia64.c (def_builtin): Replace calls to
2690 lang_hooks.builtin_function with add_builtin_function.
2691 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2692 lang_hooks.builtin_function with add_builtin_function.
2693 (altivec_init_builtins): Replace calls to
2694 lang_hooks.builtin_function with add_builtin_function.
2695 * config/arm/arm.c (def_mbuiltin): Replace calls to
2696 lang_hooks.builtin_function with add_builtin_function.
2697 (arm_init_tls_builtins): Replace calls to
2698 lang_hooks.builtin_function with add_builtin_function.
2699 * config/mips/mips.c (mips_init_builtins): Replace calls to
2700 lang_hooks.builtin_function with add_builtin_function.
2701 * config/bfin/bfin.c (def_builtin): Replace calls to
2702 lang_hooks.builtin_function with add_builtin_function.
2703 * langhooks-def.h (lhd_builtin_function): New function.
2704 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2706 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2708 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2709 BUILT_IN_STRNCAT_CHK.
2711 2006-10-23 Jan Hubicka <jh@suse.cz>
2713 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2714 don't do conversion from memmove to memcpy here.
2715 (expand_builtin_bcopy, expand_builtin): Update call of
2716 expand_builtin_memmove.
2717 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2719 2006-10-23 Paul Brook <paul@codesourcery.com>
2721 * stor-layout.c (start_record_layout): maximum_field_alignment
2722 overrides STRUCTURE_SIZE_BOUNDARY.
2724 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2726 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2727 nonlocal function symbols if flag_pic.
2729 2006-10-23 Richard Guenther <rguenther@suse.de>
2733 * builtins.c (fold_binary): Remove checks for flag_wrapv
2734 and flag_trapv where negate_expr_p covers these cases.
2736 2006-10-23 Richard Guenther <rguenther@suse.de>
2739 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2740 of two on the absolute value.
2741 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2742 and negating -C does not overflow.
2744 2006-10-23 Richard Guenther <rguenther@suse.de>
2747 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2748 only if not flag_rounding_math.
2750 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2751 Kaz Kojima <kkojima@gcc.gnu.org>
2754 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2755 SImode memory reference for the source of a movua.
2756 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2757 (movua): Use an unspec instead of sign_extract. Expect the source
2758 to have mode BLKmode.
2759 (extv, insv): Use a BLKmode rather than SImode memory reference
2760 for the source of a movua.
2762 2006-10-22 Jeff Law <law@redhat.com>
2763 Richard Guenther <rguenther@suse.de>
2765 PR tree-optimization/15911
2766 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2767 (register_edge_assert_for_1): Likewise.
2768 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2769 (find_conditional_asserts): Adjust for new function signature.
2770 (find_assert_locations): Likewise.
2772 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2774 * config/i386/tmmintrin.h: Remove the duplicated content.
2776 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2778 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2779 (x86_64-*-*): Likewise.
2781 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2782 (override_options): Check SSSE3.
2783 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2784 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2785 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2786 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2787 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2788 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2789 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2790 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2791 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2792 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2793 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2794 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2795 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2796 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2797 IX86_BUILTIN_PABSD128.
2798 (bdesc_2arg): Add SSSE3.
2799 (bdesc_1arg): Likewise.
2800 (ix86_init_mmx_sse_builtins): Support SSSE3.
2801 (ix86_expand_builtin): Likewise.
2802 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2804 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2805 (UNSPEC_PSIGN): Likewise.
2806 (UNSPEC_PALIGNR): Likewise.
2807 Include mmx.md before sse.md.
2809 * config/i386/i386.opt: Add -mssse3.
2811 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2812 (ssse3_phaddwv4hi3): Likewise.
2813 (ssse3_phadddv4si3): Likewise.
2814 (ssse3_phadddv2si3): Likewise.
2815 (ssse3_phaddswv8hi3): Likewise.
2816 (ssse3_phaddswv4hi3): Likewise.
2817 (ssse3_phsubwv8hi3): Likewise.
2818 (ssse3_phsubwv4hi3): Likewise.
2819 (ssse3_phsubdv4si3): Likewise.
2820 (ssse3_phsubdv2si3): Likewise.
2821 (ssse3_phsubswv8hi3): Likewise.
2822 (ssse3_phsubswv4hi3): Likewise.
2823 (ssse3_pmaddubswv8hi3): Likewise.
2824 (ssse3_pmaddubswv4hi3): Likewise.
2825 (ssse3_pmulhrswv8hi3): Likewise.
2826 (ssse3_pmulhrswv4hi3): Likewise.
2827 (ssse3_pshufbv16qi3): Likewise.
2828 (ssse3_pshufbv8qi3): Likewise.
2829 (ssse3_psign<mode>3): Likewise.
2830 (ssse3_psign<mode>3): Likewise.
2831 (ssse3_palignrti): Likewise.
2832 (ssse3_palignrdi): Likewise.
2833 (abs<mode>2): Likewise.
2834 (abs<mode>2): Likewise.
2836 * config/i386/tmmintrin.h: New file.
2838 * doc/extend.texi: Document SSSE3 built-in functions.
2840 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2842 2006-10-22 Ira Rosen <irar@il.ibm.com>
2844 * tree-vect-transform.c (vectorizable_load): Use the type of the
2845 return value of the mask_for_load builtin to create realign_load
2848 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2850 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2853 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2855 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2856 (UNSPEC_LDDQU): This.
2857 * config/i386/sse.md (sse3_lddqu): Updated.
2859 2006-10-21 Richard Guenther <rguenther@suse.de>
2861 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2862 (expand_builtin): Use it to expand lrint instead of
2863 expand_builtin_mathfn.
2865 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2868 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2869 flag_unsafe_math_optimizations is set.
2871 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2874 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2875 patterns to use memory input operand in x87->mem->XMM
2876 reload sequences. Skip transformation for TARGET_K8.
2878 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2880 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2881 force operand1 to register if both operands are memory operands.
2882 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2883 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2884 if both operands are memory operands.
2885 (truncdfsf2): Do not force operand1 to register if both operands
2886 are memory operands.
2888 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2890 * Makefile.in (LIBS): Add $(GMPLIBS).
2891 * doc/install.texi: Update GMP and MPFR requirements.
2892 * doc/sourcebuild.texi (need_gmp): Delete.
2894 2006-10-21 Richard Guenther <rguenther@suse.de>
2896 PR tree-optimization/3511
2897 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2898 got new invariant arguments during PHI translation.
2900 2006-10-21 Richard Guenther <rguenther@suse.de>
2903 * fold-const.c (fold_comparison): Fold signed comparisons
2904 of the form X +- C1 CMP Y +- C2.
2906 2006-10-21 Richard Guenther <rguenther@suse.de>
2909 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2910 if flag_unsafe_math_optimizations is specified. We have
2911 flag_finite_math_only for that.
2912 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2913 or flag_unsafe_math_optimizations.
2915 2006-10-21 Richard Guenther <rguenther@suse.de>
2917 * builtins.c (fold_builtin_classify): Fix typo.
2919 2006-10-21 Richard Guenther <rguenther@suse.de>
2922 * simplify-rtx.c (simplify_const_relational_operation):
2923 Do not constant-fold ORDERED and UNORDERED for
2924 flag_unsafe_math_optimizations but only we do not need to
2925 honor NaNs for the given mode.
2927 2006-10-21 Richard Guenther <rguenther@suse.de>
2930 * config/i386/i386.c (classify_argument): Remove redundant
2931 walking of the BINFOs.
2932 (contains_128bit_aligned_vector_p): Likewise.
2934 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2936 * BASE-VER: Set to 4.3.0.
2938 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2940 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2941 (tree_decl_with_vis): Remove artificial_pta_var flag.
2942 * tree-flow.h (referenced_var_check_and_insert): Expose.
2943 (nonlocal_all): New prototype.
2944 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2945 (nonlocal_all): Make global.
2946 (nonlocal_lookup): Remove.
2947 (nonlocal_insert): Ditto.
2948 (create_nonlocal_var): Do not call nonlocal_insert.
2949 (get_nonlocal_id_for_type): Remove.
2950 (find_global_initializers): Mark new vars we find for renaming.
2951 (intra_create_variable_infos): Only create one nonlocal.
2952 (expand_nonlocal_solutions): Remove.
2953 (compute_points_to_sets): Don't call it.
2954 (ipa_pta_execute): Ditto.
2955 (init_alias_heapvars): Don't create nonlocal_for_type.
2956 (delete_alias_heapvars): Don't remove it.
2957 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2960 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2962 * doc/install.texi (Downloading GCC): Clarify mention of
2963 Fortran in the "full distribution" description.
2965 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2967 Fix PR tree-optimization/28778
2968 Fix PR tree-optimization/29156
2969 Fix PR tree-optimization/29415
2970 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2971 (tree_decl_with_vis): Add artificial_pta_var flag.
2972 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2973 pushed into callers.
2974 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2975 (nonlocal_all): Ditto.
2976 (struct variable_info): Add directly_dereferenced member.
2977 (var_escaped_vars): New variable.
2978 (escaped_vars_tree): Ditto.
2979 (escaped_vars_id): Ditto.
2980 (nonlocal_vars_id): Ditto.
2981 (new_var_info): Set directly_dereferenced.
2982 (graph_size): New variable
2983 (build_constraint_graph): Use graph_size.
2984 (solve_graph): Don't process constraints that cannot change the
2985 solution, don't try to propagate an empty solution to our
2987 (process_constraint): Set directly_dereferenced.
2988 (could_have_pointers): New function.
2989 (get_constraint_for_component_ref): Don't process STRING_CST.
2990 (nonlocal_lookup): New function.
2991 (nonlocal_insert): Ditto.
2992 (create_nonlocal_var): Ditto.
2993 (get_nonlocal_id_for_type): Ditto.
2994 (get_constraint_for): Allow results vector to be empty in the case
2995 of string constants.
2996 Handle results of calls properly.
2997 (update_alias_info): Update alias info stats on number and type of
2999 (find_func_aliases): Use could_have_pointers.
3000 (make_constraint_from_escaped): Renamed from
3001 make_constraint_to_anything, and changed to make constraints from
3003 (make_constraint_to_escaped): New function.
3004 (find_global_initializers): Ditto.
3005 (create_variable_info_for): Make constraint from escaped to any
3006 global variable, and from any global variable to the set of
3008 (intra_create_variable_infos): Deal with escaped instead of
3009 pointing to anything.
3010 (set_uids_in_ptset): Do type pruning on directly dereferenced
3012 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3013 (init_base_vars): Fix comment, and initialize escaped_vars.
3014 (need_to_solve): Removed.
3015 (find_escape_constraints): New function.
3016 (expand_nonlocal_solutions): Ditto.
3017 (compute_points_to_sets): Call find_escape_constraints and
3018 expand_nonlocal_solutions.
3019 (delete_points_to_sets): Don't fall off the end of the graph.
3020 (init_alias_heapvars): Initialize nonlocal_for_type and
3022 (delete_alias_heapvars): Free nonlocal_for_type and null out
3025 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3027 * fold-const.c (add_double): Rename to add_double_with_sign.
3028 Add 'unsigned_p' parameter and take it into account for the overflow.
3029 (mul_double): Rename to mul_double_with_sign.
3030 Add 'unsigned_p' parameter and take it into account for the overflow.
3031 (fold_div_compare): Call add_double_with_sign instead of add_double
3032 and mul_double_with_sign instead of mul_double, passing them the
3033 unsignedness of the type.
3034 * tree.h (add_double): Macroize.
3035 (add_double_with_sign): New prototype.
3036 (mul_double): Macroize.
3037 (mul_double_with_sign): New prototype.
3039 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3041 * config/score/crti.asm: New file.
3042 * config/score/crtn.asm: New file.
3043 * config/score/elf.h: New file.
3044 * config/score/mac.md: New file.
3045 * config/score/misc.md: New file.
3046 * config/score/mul-div.S: New file.
3047 * config/score/predicates.md: New file.
3048 * config/score/score7.md: New file.
3049 * config/score/score.c: New file.
3050 * config/score/score-conv.h: New file.
3051 * config/score/score.h: New file.
3052 * config/score/score.md: New file.
3053 * config/score/score-mdaux.c: New file.
3054 * config/score/score-mdaux.h: New file.
3055 * config/score/score-modes.def: New file.
3056 * config/score/score.opt: New file.
3057 * config/score/score-protos.h: New file.
3058 * config/score/score-version.h: New file.
3059 * config/score/t-score-elf: New file.
3060 * config.gcc: Add score*-*-* configurations(Update before).
3061 * doc/invoke.texi (Score Options): New section.
3062 * doc/md.texi (Score family): New section to document constraints.
3064 2006-10-19 Nick Clifton <nickc@redhat.com>
3066 * config/arm/arm.c: Fix spelling typo.
3068 2006-10-18 Tom Tromey <tromey@redhat.com>
3070 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3072 2006-10-18 Jan Hubicka <jh@suse.cz>
3075 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3078 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3080 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3081 TSI_SAME_STMT, since that's the desired entity.
3083 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3085 * config/s390/contraints.md: New file.
3086 * config/s390/s390-protos.h (s390_mem_constraint,
3087 s390_O_constraint_str, s390_N_constraint_str,
3088 s390_float_const_zero_p): Function prototypes added.
3089 * config/s390/s390.c (s390_extra_constraint_str,
3090 s390_const_double_ok_for_constraint_p,
3091 s390_const_ok_for_constraint_p): Functions removed.
3092 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3093 s390_float_const_zero_p): New functions.
3094 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3095 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3096 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3097 Macro definitions removed.
3098 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3099 s390_extra_constraint_str): Functions removed.
3101 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3102 Richard Sandiford <richard@codesourcery.com>
3105 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3106 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3108 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3110 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3111 (DWARF2_FRAME_REG_OUT): Likewise.
3112 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3113 (DWARF2_FRAME_REG_OUT): Likewise.
3115 2006-10-17 Paul Brook <paul@codesourcery.com>
3117 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3119 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3121 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3122 Standardize on "GNU Fortran" as the official name of the Fortran
3125 2006-10-16 Mike Stump <mrs@apple.com>
3127 * doc/invoke.texi (Darwin Options): Document -mkernel.
3128 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3130 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3131 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3132 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3133 (OS_MISSING_ALTIVEC): Add.
3134 * config/i386/i386.c (override_options): Add
3135 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3136 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3137 -mkernel, -static or -mdynamic-no-pic is given.
3138 (C_COMMON_OVERRIDE_OPTIONS): Add.
3139 * config/darwin.opt (fapple-kext): Add.
3141 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3142 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3144 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3145 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3146 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3147 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3148 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3149 (flag_mkernel): Add.
3150 (flag_apple_kext): Add.
3151 (TARGET_KEXTABI): Add.
3152 * config/darwin.c (darwin_handle_kext_attribute): Add.
3153 (DARWIN_VTABLE_P): Add.
3154 (darwin_binds_local_p): Add partial support for rebinding vtables
3156 (darwin_kextabi_p): Add.
3157 (darwin_override_options): Add.
3158 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3159 (darwin_kextabi_p): Add.
3160 (darwin_override_options): Add.
3161 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3162 __DYNAMIC__ and __STATIC__ here.
3164 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3166 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3167 Added mention of "make pdf" target, and Texinfo requirements for
3170 2006-10-16 DJ Delorie <dj@redhat.com>
3172 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3173 into the GOT in case we need a subreg of the address.
3175 2006-10-16 Richard Guenther <rguenther@suse.de>
3178 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3179 SSE builtin documentation. Document SSE2 builtins.
3181 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3183 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3184 symbol in the output file for non-shared links when -nostdlib or
3185 -nodefaultlibs isn't specified.
3187 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3188 posix thread support.
3190 2006-10-15 Jan Hubicka <jh@suse.cz>
3193 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3194 declared always_inline even when not inlining.
3196 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3197 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3198 Andrew Pinski <pinskia@gmail.com>
3201 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3203 2006-10-15 Jan Hubicka <jh@suse.cz>
3204 Richard Guenther <rguenther@suse.de>
3207 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3208 process_function_and_variable_attributes on all variables, including
3209 those discovered during cgraph construction phase.
3211 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3213 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3215 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3217 * config/i386/athlon.md (athlon_fist): Add fisttp.
3219 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3220 Ian Lance Taylor <ian@airs.com>
3223 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3224 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3227 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3229 * config/score/score.c, config/score/score.h: Fix comment
3232 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3235 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3238 2006-10-13 Eric Christopher <echristo@apple.com>
3240 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3242 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3245 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3246 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3247 alignment supported by 32-bit ELF.
3249 2006-10-13 Eric Christopher <echristo@apple.com>
3251 * config/darwin.c (darwin_emit_unwind_label): Strip
3252 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3254 2006-10-13 Richard Guenther <rguenther@suse.de>
3256 PR tree-optimization/29446
3257 * tree-vrp.c (fix_equivalence_set): Remove.
3258 (extract_range_from_assert): Do not call fix_equivalence_set.
3259 (debug_value_range): Print a newline.
3260 (compare_name_with_value): For equivalence sets with
3261 inconsistent value ranges conservatively bail out.
3262 (compare_names): Likewise.
3264 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3266 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3267 and MPFR for gfortran.
3269 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3271 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3272 alignment supported by 32-bit ELF.
3274 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3278 * c-typeck.c (digest_init): Always allow initializing vectors
3279 that have static storage duration with compound literals.
3280 * tree.c (build_type_attribute_qual_variant): New, based on
3281 build_type_attribute_variant.
3282 (build_type_attribute_variant): Rewrite using the former.
3283 (make_vector_type): Use build_type_attribute_qual_variant to build
3284 type variants. Use type_hash_canon on the others.
3286 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3287 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3289 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3291 2006-10-12 Jan Hubicka <jh@suse.cz>
3294 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3295 current_function_decl is set but current_function_scope is not.
3297 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3299 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3300 emit_insn to emit eh_return_internal instruction.
3301 (eh_return_internal): Explicitly set pc.
3303 2006-10-11 Richard Guenther <rguenther@suse.de>
3305 PR tree-optimization/28230
3306 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3307 to the correct place.
3309 2006-10-11 Richard Guenther <rguenther@suse.de>
3312 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3315 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3317 * configure.ac: Added pdf to "Make-hooks"
3318 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3319 targets and *.pdf file patterns in cleanup targets.
3320 * configure: Regenerated.
3322 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3324 * config/avr/predicates.md: New file.
3325 * config/avr/avr.md: Include it.
3326 (REG_SP): New constant.
3327 (peepholes): Use predicates.
3328 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3329 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3330 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3332 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3334 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3337 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3340 * builtins.c (var_decl_component_p): New function.
3341 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3342 single entry optimization to variables and components thereof.
3344 2006-10-10 Richard Guenther <rguenther@suse.de>
3346 PR rtl-optimization/29323
3347 * except.c (set_nothrow_function_flags): For functions
3348 that do not bind local bail out early.
3350 2006-10-10 Ben Elliston <bje@au.ibm.com>
3352 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3355 2006-10-09 Richard Henderson <rth@redhat.com>
3357 Revert emutls patch.
3359 2006-10-09 Richard Guenther <rguenther@suse.de>
3362 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3365 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3368 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3369 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3370 * configure: Regenerate.
3371 * config.in: Regenerate.
3373 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3375 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3377 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3379 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3380 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3381 Remove stray newline.
3383 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3385 * config/mips/mips.c (mips_classify_symbol): Do not return
3386 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3387 (mips_in_small_data_p): Tweak comments.
3389 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3391 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3393 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3395 * gimplify.c, sched-int.h: Fix comment typos.
3397 * sched-int.h: Fix comment typos.
3399 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3401 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3403 * sched-ebb.c (begin_schedule_ready): Use them.
3404 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3405 add_to_speculative_block, create_check_block_twin, speculate_insn,
3406 fix_jump_move, move_block_after_check): Ditto.
3407 * sched-rgn.c (new_ready): Ditto.
3409 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3411 PR rtl-optimization/29128
3412 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3413 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3414 allow interblock movement of speculation checks.
3416 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3419 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3420 casted to integer type.
3421 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3422 if they are significantly more expensive than [reg + index] ones.
3424 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3426 PR tree-optimization/29330
3427 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3428 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3429 on newly allocated ddrs.
3430 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3431 to VEC (loop_p, heap) pointer.
3432 (compute_data_dependences_for_loop): Adjust caller.
3433 (free_dependence_relations): Free DDR_LOOP_NEST.
3435 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3436 free DEPENDENCE_RELATIONS and DATAREFS.
3439 * builtins.c (expand_builtin_sync_operation,
3440 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3441 Use convert_to_mode to handle promoted arguments.
3443 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3445 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3447 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3449 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3451 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3453 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3454 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3455 Use <modeconstraint> instead of "r" as operand 1 constraint.
3457 2006-10-06 Olivier Hainque <hainque@adacore.com>
3459 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3460 Don't recurse on the pointed-to type.
3461 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3462 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3463 types with components of variable size.
3465 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3467 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3469 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3471 PR tree-optimization/29290
3472 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3476 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3477 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3480 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3481 the number of vector elements fill the rest with zeros.
3483 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3485 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3486 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3489 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3491 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3492 unnamed pattern into subsi3. Use correct constraints/predicates.
3493 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3494 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3496 2006-10-05 Ira Rosen <irar@il.ibm.com>
3498 * doc/loop.texi: Add data references analysis description.
3500 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3502 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3504 2006-10-04 Richard Henderson <rth@redhat.com>
3505 Jakub Jelinek <jakub@redhat.com>
3507 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3508 * builtin-types.def (BT_WORD): Make unsigned.
3509 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3510 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3511 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3512 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3513 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3514 * cgraph.c (decide_is_variable_needed): Look at force_output.
3515 Recurse for emulated tls.
3516 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3517 checks redundant with decide_is_variable_needed.
3518 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3519 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3521 * expr.c (emutls_var_address): New.
3522 (expand_expr_real_1): Expand emulated tls.
3523 (expand_expr_addr_expr_1): Likewise.
3524 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3525 * output.h (emutls_finish): Declare.
3526 * toplev.c (compile_file): Call it.
3527 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3528 address before wrapping in CONST.
3529 * varasm.c (emutls_htab, emutls_object_type): New.
3530 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3531 (get_emutls_object_name, get_emutls_object_type): New.
3532 (get_emutls_init_templ_addr, emutls_decl): New.
3533 (emutls_common_1, emutls_finish): New.
3534 (assemble_variable): When emulating tls, swap decls; generate
3535 constructor for the emutls objects.
3536 (do_assemble_alias): When emulating tls, swap decl and target name.
3537 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3539 * emutls.c: New file.
3540 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3541 tls_object for real tls.
3543 2006-10-04 Zack Weinberg <zackw@panix.com>
3545 Fix bug in constraint-check generator, reported by Rask Ingemann
3547 * genpreds.c (add_constraint): Don't remove anything from the
3549 (write_tm_constrs_h): Detect whether "op" argument is used, and
3550 mark it ARG_UNUSED if it isn't.
3551 (write_insn_const_int_ok_for_constraint): Skip the part of the
3552 expression that would test whether "op" (which is not available
3553 here) is a CONST_INT.
3555 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3558 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3560 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3562 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3563 current Leopard versions.
3564 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3566 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3568 * doc/install.texi: Fix typos.
3570 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3572 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3573 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3574 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3576 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3578 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3579 arg to be struct mach_header_64* instead.
3581 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3584 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3585 side effects after the outer expression's post side effects.
3587 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3589 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3590 comments to reflect actual behavior and relationship between
3591 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3593 * doc/c-tree.texi (Working with declarations): Fix documentation
3594 of FIELD_DECL likewise.
3596 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3599 * doc/extend.texi: Add used variable attribute description.
3601 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3604 * c.opt (Woverride-init): New.
3605 * c-opts.c (c_common_post_options): Default warn_override_init to
3607 * c-typeck.c (add_pending_init, output_init_element): Warn for
3608 overriding initializers without side effects.
3609 * doc/invoke.texi (-Woverride-init): Document.
3612 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3614 PR rtl-optimization/28096
3615 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3616 assignment has already been used as a destination earlier in the block.
3618 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3620 * builtins.c (expand_builtin_setjmp): Delete.
3621 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3622 <BUILT_IN_SETJMP_SETUP>: New case.
3623 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3624 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3625 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3626 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3627 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3628 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3629 (lower_function_body): Initialize it to false. If it is set to true
3630 at the end of the processing, emit the setjmp dispatcher.
3631 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3632 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3633 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3634 on the rhs of the assignment.
3635 (lower_builtin_setjmp): New function.
3636 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3637 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3638 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3639 to detect calls that can go to non-local labels. Use specific
3640 helper to create the abnormal edges associated with them.
3641 <MODIFY_EXPR>: Likewise.
3642 (make_abnormal_goto_edges): New function extracted from...
3643 (make_goto_expr_edges): ...here. Call it for computed gotos.
3644 (simple_goto_p): Minor tweak.
3645 (tree_can_make_abnormal_goto): New predicate.
3646 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3647 (tree_purge_dead_abnormal_call_edges): New function.
3648 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3649 (tree_purge_dead_abnormal_call_edges): Likewise.
3650 (make_abnormal_goto_edges): Likewise.
3651 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3652 Purge all dead abnormal edges if the call was in the last statement.
3653 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3654 (execute_fixup_cfg): If there are non-local labels in the function,
3655 scan the basic blocks and split them at calls that can go to non-local
3656 labels or add missing abnormal call edges. Write down the CFG in the
3658 (pass_fixup_cfg): Remove TODO_dump_func flag.
3659 * unwind-sjlj.c: Poison setjmp.
3660 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3661 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3662 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3663 (DONT_USE_BUILTIN_SETJMP): Document it.
3665 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3668 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3669 to 1 when __ppc64__ is defined.
3670 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3672 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3674 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3676 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3677 * config/ia64/unwind-hpux.c: Delete.
3679 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3681 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3682 on the element before gimplifying it, instead of punting if it is of
3685 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3687 * doc/loop.texi: New file.
3688 * doc/gccint.texi: Reference loop.texi.
3689 * Makefile.in (loop.texi): Add.
3691 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3693 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3695 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3696 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3698 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3700 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3702 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3704 * doc/install.texi: Document required versions of GMP and MPFR.
3706 2006-09-27 Paul Brook <paul@codesourcery.com>
3709 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3711 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3713 * reload1.c (alter_reg): Require the alignment of the stack slot to
3714 be at least reg_max_ref_width bytes.
3715 (scan_paradoxical_subregs): Record the largest width in
3718 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3722 * tree-nested.c (struct nesting_info): Added static_chain_added.
3723 (convert_call_expr): Set static_chain_added when adding static
3724 chain. Handle OMP_PARALLEL and OMP_SECTION.
3726 2006-09-25 Matthias Klose <doko@debian.org>
3728 * doc/invoke.texi: Add missing full stop.
3730 2006-09-25 Richard Henderson <rth@redhat.com>
3732 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3733 before cgraph_function_flags_ready.
3735 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3736 Adam Nemet <anemet@caviumnetworks.com>
3738 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3739 determine_common_wider_type): New functions.
3740 (get_computation_aff): Use them to simplify arithmetic between
3741 UBASE and CBASE if they are shortened from the same type.
3743 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3746 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3747 -2147483647 - 1 instead of 0x80000000.
3749 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3751 * flags.h (HONOR_NANS): Fix typo in comment.
3753 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3755 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3757 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3761 * tree.c (merge_attributes, attribute_list_contained): If both
3762 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3764 * c-typeck.c (comptypes_internal): Don't consider aggregates
3765 in different TUs as compatible if there one set of attributes is
3766 not a subset of the other type's attributes.
3767 (composite_type): Try harder not to create a new aggregate type.
3769 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3771 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3772 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3773 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3774 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3775 than replicating condition above.
3776 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3778 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3779 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3780 the linker by default.
3782 2006-09-22 Mike Stump <mrs@apple.com>
3784 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3787 2006-09-22 Richard Guenther <rguenther@suse.de>
3790 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3791 sort of stack variables stable.
3793 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3796 * explow.c (force_reg): Set REG_POINTER flag according to
3799 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3801 PR tree-optimization/28888
3802 * tree-if-conv.c (combine_blocks): Rewritten.
3803 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3804 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3806 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3808 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3811 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3813 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3815 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3817 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3819 2006-09-21 Roger Sayle <roger@eyesopen.com>
3822 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3823 dw_fde_current_label, to be the start of the function, i.e. the same
3824 value as dw_fde_begin.
3826 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3828 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3829 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3830 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3831 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3832 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3833 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3834 (abs<mode>2, neg<mode>2): Likewise.
3835 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3836 (*mips_abs_ps): New define_insn.
3838 2006-09-20 Josh Conner <jconner@apple.com>
3841 * calls.c (expand_call): Allow reuse of structure return stack
3844 2006-09-20 Paul Brook <paul@codesourcery.com>
3846 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3849 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3851 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3852 clean up terminology.
3854 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3857 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3858 with tablejumps in them.
3860 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3863 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3864 wrap it into TARGET_EXPR.
3866 2006-09-20 Eric Christopher <echristo@apple.com>
3868 * config/i386/i386.c (x86_fisttp): Remove.
3869 * config/i386/i386.h (x86_fisttp): Ditto.
3870 (TARGET_FISTTP): Ditto.
3872 2006-09-19 Eric Christopher <echristo@apple.com>
3874 * doc/tm.texi (OBJC_JBLEN): Describe.
3875 * config/i386/darwin.h (OBJC_JBLEN): Define.
3876 * config/rs6000/darwin.h: Ditto.
3878 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3880 PR rtl-optimization/21299
3881 * reload1.c (reload): Purge invalid ASMs in the final pass.
3883 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3886 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3887 pointers as legitimate constants.
3889 2006-09-19 Paul Brook <paul@codesourcery.com>
3892 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3894 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3896 PR tree-optimization/28887
3897 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3898 component parts from the reference.
3899 (gather_memory_references_ref): Record the reference without the
3900 nonaddressable component parts.
3902 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3905 * c-opts.c (c_common_handle_option): Ignore the -std options
3906 if the input language is assembly.
3908 2006-09-17 Ira Rosen <irar@il.ibm.com>
3911 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3913 (ptr_ptr_may_alias_p): Likewise.
3914 (record_record_differ_p): New function.
3915 (base_object_differ_p): Call record_record_differ_p.
3917 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3920 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3921 away for the expr argument.
3923 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3926 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3927 before using it for dumping after vectorizing loops.
3929 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3930 Jack Howarth <howarth@bromo.med.uc.edu>
3933 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3934 skip on error_mark_node.
3935 (rs6000_darwin64_record_arg_recurse): Likewise.
3937 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3939 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3940 * doc/rtl.texi: Remove related documentation.
3942 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3944 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3947 2006-09-15 Jim Wilson <wilson@specifix.com>
3949 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3950 Handle symbol offsets same as they are handled in ia64_expand_move
3953 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3955 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3956 Add forgotten parameter to the fprintf call.
3958 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3960 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3962 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3964 * doc/contrib.texi: Add my entry.
3966 2006-09-15 Nick Clifton <nickc@redhat.com>
3968 * doc/md.texi (Processor pipeline description): Fix typo in
3969 example of how to use the absence_set directive and reword the
3970 description to make it slightly easier to read.
3972 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3974 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3975 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3976 expanding the number of iterations.
3977 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3979 * cfgrtl.c (emit_insn_at_entry): New function.
3980 * rtl.h (emit_insn_at_entry): Declare it.
3981 * integrate.c (emit_initial_value_sets): Use it.
3983 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3985 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3987 (struct loop_work and related VEC declarations): Delete.
3988 (bfin_dump_loops): Print out new member bad.
3989 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3990 (bfin_scan_loop): Don't recurse.
3991 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3992 loops. No longer need to update outer loops if the current one is
3993 found bad. Move some validitiy checks to bfin_discover_loop.
3994 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3995 but changed not to check for nesting. Also changed to use the new bad
3997 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3998 time. Use bitmap based test to discover loop nesting.
4000 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4002 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4005 2006-09-14 Richard Guenther <rguenther@suse.de>
4006 Kazu Hirata <kazu@codesourcery.com>
4008 PR middle-end/28884.
4009 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4010 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4011 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4012 with TARGET_FUNCTION_VALUE.
4014 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4017 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4019 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4021 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4024 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4027 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4030 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4032 * basic_block.h (bb_has_eh_pred): Fix comment.
4034 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4036 * flow.c (calculate_global_regs_live): Invalidate eh registers
4037 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4038 (propagate_block): Handle eh registers as if they were set at basic
4040 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4042 * global.c (global_conflicts): Make eh registers to conflict with
4043 pseudos live at basic block begin.
4044 * basic_block.h (bb_has_eh_pred): New function.
4046 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4048 PR rtl-optimization/28982
4049 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4050 index of a PRE_MODIFY or POST_MODIFY address.
4051 * reload1.c (inc_for_reload): Use find_replacement on the original
4052 base and index registers.
4054 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4056 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4057 for -Os. Update __m128 alignment requirement.
4059 2006-09-13 Jan Hubicka <jh@suse.cz>
4061 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4063 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4065 PR rtl-optimization/28243
4066 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4067 the insn to which the note was originally attached.
4069 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4070 Roger Sayle <roger@eyesopen.com>
4072 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4073 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4074 on platforms that don't use dwarf for debug info.
4076 2006-09-12 Jason Merrill <jason@redhat.com>
4079 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4080 hard_frame_pointer_rtx after using it to update the frame pointer.
4082 2006-09-12 Roger Sayle <roger@eyesopen.com>
4084 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4085 (TARGET_ASM_CLOSE_PAREN): Likewise.
4086 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4087 (TARGET_ASM_CLOSE_PAREN): Likewise.
4089 2006-09-12 Roger Sayle <roger@eyesopen.com>
4092 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4093 frame information for frames larger than 512 Kbytes on Tru64 when
4094 using the native assembler.
4096 2006-09-12 Roger Sayle <roger@eyesopen.com>
4100 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4101 and symbols. Instead use the implementation from cse.c's hash_rtx.
4103 2006-09-12 Jan Hubicka <jh@suse.cz>
4105 PR rtl-optimization/28071
4106 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4107 (vect_transform_loop): Likewise.
4108 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4109 (new_loop_vec_info): Likewise.
4110 (destroy_loop_vec_info): Likewise.
4111 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4112 (create_stmt_ann): Likewise.
4113 (create_tree_ann): Rename to ...
4114 (create_tree_common_ann): ... this one; allocate only the common part
4116 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4117 (get_value_handle): Likewise.
4118 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4119 get_tree_common_ann.
4120 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4121 (vinfo_for_stmt): Use stmt annotations.
4122 * tree-flow.h (tree_ann_common_t): New type.
4123 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4124 (tree_ann, get_tree_ann, create_tree_ann): New.
4125 * tree-flow-inline.h (get_function_ann): Do more type checking.
4126 (stmt_ann): Likewise.
4127 (tree_ann): Rename to ...
4128 (tree_common_ann): ... this one; return ony common_ann
4129 (get_tree_ann): Rename to ...
4130 (tree_common_ann): This one; return only common_ann.
4131 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4134 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4136 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4137 with_cpu by default.
4139 * dwarf2out.c (dwarf_file_data): New.
4140 (enum dw_val_class): Add dw_val_class_file.
4141 (struct dw_val_struct): Add val_file.
4142 (file_table): Change to a hash table.
4143 (file_table_emitted): Delete.
4144 (file_table_last_lookup_index): Delete.
4145 (emitcount): Delete.
4146 (last_emitted_file): New.
4147 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4148 (init_file_table): Delete.
4149 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4150 (AT_addr): Add comment.
4154 (print_die): Handle dw_val_class_file.
4155 (print_dwarf_line_table): Update for new file table structure.
4156 (attr_checksum): Do checksum a filename.
4157 (same_dw_val_p, same_attr_p): Do compare a filename.
4158 (size_of_die): Handle dw_val_class_file.
4159 (value_format): Likewise.
4160 (output_die): Likewise. Also, call maybe_emit_file here.
4161 (struct file_info): Constify filenames. Make file_idx a pointer
4162 to a struct dwarf_file_data.
4163 (struct dir_info): Constify directory names. Remove 'used' field.
4164 (struct file_name_acquire_data): New.
4165 (file_name_acquire): New.
4166 (output_file_names): Modify to handle new file data structures.
4167 (add_src_coords_attributes): Use add_AT_file.
4168 (add_call_src_coords_attributes): Likewise.
4169 (dwarf2out_imported_module_or_decl): Likewise.
4170 (gen_subprogram_die): Modify for new file data structures.
4171 (gen_variable_die): Likewise.
4172 (file_table_eq): New.
4173 (file_table_hash): New.
4174 (file_table_last_lookup): New.
4175 (lookup_filename): Rewrite to handle new file data structures.
4176 (maybe_emit_file): Rewrite to handle new file data structures.
4177 (dwarf2out_source_line): Always call lookup_filename and
4179 (dwarf2out_init): Create file_table here.
4180 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4181 (file_table_relative_p): New.
4182 (dwarf2out_finish): Change detection of relative filenames
4183 to work with new file data structures. Move output_line_info call
4184 after debug_info output.
4186 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4191 * config/i386/i386.c (override_options): Always default to 16
4192 byte stack boundary.
4194 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4197 * var-tracking.c (dump_dataflow_set): Start dumping at
4199 (clobber_variable_part): Kill only the variable part in
4200 registers holding it, leaving other variables alone.
4202 2006-09-11 Josh Triplett <josh@freedesktop.org>
4204 * doc/extend.texi (Other Builtins): Actually use the macro
4205 argument in the documentation example for
4206 __builtin_types_compatible_p.
4208 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4210 PR rtl-optimization/28726
4211 * sched-deps.c (sched_analyze_reg): New function extracted from...
4212 (sched_analyze_1): ...here. Call it to analyze references to
4213 registers. Treat again writes to a stack register as writing to the
4215 (sched_analyze_2): ...and here. Call it to analyze references to
4216 registers. Treat again reads of a stack register as reading the
4219 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4220 David Edelsohn <edelsohn@gnu.org>
4223 * config/rs6000/spe.md (frob_df_di): Remove %H.
4224 (frob_di_df): Remove %H. Change evmergelo to mr.
4225 (frob_di_df_2): Remove %H. Change evldd to two loads.
4227 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4229 * doc/cpp.texi: Fix names of charset options.
4231 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4234 * config/i386/i386.c (override_options): Use 128-bit
4235 stack boundary always for 64bits.
4237 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4239 PR rtl-optimization/28636
4240 * combine.c (force_to_mode): Test for side-effects before
4241 substituting by zero.
4242 (simplify_shift_const): Likewise for zero or other constants.
4244 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4247 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4250 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4253 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4254 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4255 returned by mode_for_size, rather than the mode of src itself,
4256 to choose between 32-bit and 64-bit patterns.
4257 (mips_mem_fits_mode_p): New function.
4258 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4259 that the size of the source matches the size of the destination.
4260 (mov_<store>l, mov_<store>r): Likewise.
4262 2006-09-10 Eric Christopher <echristo@apple.com>
4264 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4267 2006-09-09 Eric Christopher <echristo@apple.com>
4270 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4273 2006-09-09 Roger Sayle <roger@eyesopen.com>
4274 Nicolas Setton <setton@adacore.com>
4276 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4278 2006-09-10 Andreas Schwab <schwab@suse.de>
4280 * config/m68k/m68k.md (bungt_rev): New pattern.
4282 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4283 Dale Johannesen <dalej@apple.com>
4286 * regclass.c (struct reg_pref): Update documentation.
4287 (regclass): Set prefclass to NO_REGS if memory is the best option.
4288 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4290 2006-09-08 Eric Christopher <echristo@apple.com>
4292 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4293 * config/t-slibgcc-darwin: Support x86_64 multilib.
4294 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4295 Return 1 for x86_64-darwin.
4296 * config/i386/t-darwin: Add m64 multilib.
4297 (LIB2_SIDITI_CONV_FUNCS): Use.
4298 (LIB2FUNCS_EXTRA): Ditto.
4299 * config/i386/darwin.h: Support x86_64.
4300 * config/i386/i386.c (override_options): Turn on flag_pic
4301 for x86_64-darwin. Disable flag_omit_pointer.
4302 (get_pc_thunk_name): Assert !TARGET_64BIT.
4303 (legitimate_address_p): Disable machopic addressing for
4305 (legitimize_pic_address): Ditto.
4306 (ix86_expand_move): Ditto.
4307 (ix86_expand_call): Ditto.
4308 (machopic_output_stub): Ditto.
4309 * config/darwin.c (machopic_select_section): Support literal16.
4310 (machopic_select_rtx_section): Ditto.
4311 * config/darwin-sections.def: Ditto.
4312 * config/darwin-64.c: New.
4314 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4317 * c-tree.h (struct c_arg_info): Add pending_sizes.
4318 * c-parser.c (c_parser_parms_declarator,
4319 c_parser_parms_list_declarator): Initialize pending_sizes.
4320 * c-decl.c (get_parm_info): Initialize pending_sizes.
4321 (get_parm_info): Set pending_sizes.
4322 (grokdeclarator): Call put_pending_sizes for parameters for
4323 function definition only.
4325 2006-09-07 Jason Merrill <jason@redhat.com>
4328 * varasm.c (output_constant): Only strip actual no-op conversions.
4331 * config/i386/i386.c (override_options): Use 128-bit
4332 stack boundary if -msse.
4334 2006-09-07 Eric Christopher <echristo@apple.com>
4336 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4338 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4341 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4343 * dwarf2out.c: Remove strange characters from comment above
4344 dwarf2out_frame_debug_expr.
4346 2006-09-07 Eric Christopher <echristo@apple.com>
4348 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4349 * config/darwin.h: ... to here.
4351 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4353 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4355 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4356 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4358 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4359 TARGET_PARTIAL_FLAG_REG_STALL.
4360 (*ashldi3_cconly_rex64): Likewise.
4361 (*ashlsi3_cmp): Likewise.
4362 (*ashlsi3_cconly): Likewise.
4363 (*ashlsi3_cmp_zext): Likewise.
4364 (*ashlhi3_cmp): Likewise.
4365 (*ashlhi3_cconly): Likewise.
4366 (*ashlqi3_cmp): Likewise.
4367 (*ashlqi3_cconly): Likewise.
4368 (*ashrdi3_cmp_rex64): Likewise.
4369 (*ashrdi3_cconly_rex64): Likewise.
4370 (*ashrsi3_cmp): Likewise.
4371 (*ashrsi3_cconly): Likewise.
4372 (*ashrsi3_cmp_zext): Likewise.
4373 (*ashrhi3_cmp): Likewise.
4374 (*ashrhi3_cconly): Likewise.
4375 (*ashrqi3_cmp): Likewise.
4376 (*ashrqi3_cconly): Likewise.
4377 (*lshrdi3_cmp_rex64): Likewise.
4378 (*lshrdi3_cconly_rex64): Likewise.
4379 (*lshrsi3_cmp): Likewise.
4380 (*lshrsi3_cconly): Likewise.
4381 (*lshrsi3_cmp_zext): Likewise.
4382 (*lshrhi3_cmp): Likewise.
4383 (*lshrhi3_cconly): Likewise.
4384 (*lshrqi2_cmp): Likewise.
4385 (*lshrqi2_cconly): Likewise.
4387 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4390 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4391 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4392 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4393 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4394 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4395 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4396 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4397 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4398 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4399 implement only CC setting effects of shift instructions.
4401 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4403 * doc/contrib.texi: Add myself.
4405 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4408 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4409 was set by the user.
4411 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4414 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4415 (divsi_inv_m1): Use them.
4416 (UNSPEC_DIV_INV_TABLE): New constant.
4418 2006-09-06 James E Wilson <wilson@specifix.com>
4421 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4422 then call count_or_remove_death_notes.
4424 2006-09-06 Jason Merrill <jason@redhat.com>
4427 * tree-inline.c (copy_result_decl_to_var): New fn.
4428 (declare_return_variable): Use it. Call declare_inline_vars here.
4429 (expand_call_inline): Not here.
4431 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4433 * doc/contrib.texi: Update my entry.
4435 2006-09-06 Nick Clifton <nickc@redhat.com>
4437 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4439 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4442 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4443 (canonicalize_induction_variables): Likewise.
4444 (tree_unroll_loops_completely): Likewise.
4445 (tree_ssa_prefetch_arrays): Likewise.
4446 (remove_empty_loops): Likewise.
4447 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4448 TODO_cleanup_cfg instead of directly calling
4449 cleanup_tree_cfg_loop.
4450 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4452 (tree_unroll_loops_completely): Likewise.
4453 (remove_empty_loops): Likewise.
4454 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4455 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4456 of tree_ssa_unswitch_loops.
4457 (tree_ssa_loop_ivcanon): Use the return value of
4458 canonicalize_induction_variables.
4459 (tree_ssa_empty_loop): Use the return value of
4461 (tree_complete_unroll): Use the return value of
4462 tree_unroll_loops_completely.
4463 (tree_ssa_loop_prefetch): Use the return value of
4464 tree_ssa_prefetch_arrays.
4465 * passes.c (execute_todo): Before Cleanup CFG, set
4466 updating_used_alone and after cleanup CFG, call
4467 recalculate_used_alone.
4469 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4472 * tree-vect-transform.c (vectorizable_condition): Move the check
4473 for the type after the check for simple condition.
4475 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4476 Kaz Kojima <kkojima@gcc.gnu.org>
4479 * mode-switching.c (optimize_mode_switching): Make the destination
4480 block of an abnormal edge have no anticipatable mode. Don't
4481 insert mode switching code at the end of the source block of
4484 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4486 PR rtl-optimization/26847
4487 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4488 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4489 (simplify_plus_minus): Count n_constants while filling ops. Replace
4490 qsort with insertion sort. Before going through the array to simplify
4491 pairs, sort it. Delay early exit until after the first sort, exiting
4492 only if no swaps occurred. Simplify pairs in reversed order, without
4493 special-casing the first iteration. Pack ops after simplifying pairs.
4495 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4497 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4498 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4499 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4500 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4502 2006-09-05 Richard Guenther <rguenther@suse.de>
4504 PR tree-optimization/28900
4505 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4506 compound conditional before creating COND_EXPR condition.
4508 2006-09-05 Richard Guenther <rguenther@suse.de>
4510 PR tree-optimization/28905
4511 * tree-vrp.c (fix_equivalence_set): Manually implement
4512 !value_ranges_intersect_p to also handle symbolic ranges.
4514 2006-09-05 Richard Guenther <rguenther@suse.de>
4517 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4520 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4522 PR rtl-optimization/27616
4523 * cse.c (table_size): New static variable.
4524 (new_basic_block): Initialize it to 0.
4525 (remove_from_table): Decrement it.
4526 (insert): Increment it.
4527 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4528 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4529 fold_rtx_mem_1 if under the cap.
4530 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4531 the lookup of the equivalent expression and test for equality of the
4532 first operand of the equivalent expression before in turn looking up
4533 an equivalent constant for the second operand.
4535 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4538 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4539 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4540 pointer, instead of assuming it is possible to derive the
4541 correct args size from a call insn.
4543 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4546 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4547 (fold_builtin_mempcpy): Rename to...
4548 (fold_builtin_memory_op): ... this. Optimize one element copy
4550 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4552 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4553 (expand_builtin_memcpy, expand_builtin_mempcpy,
4554 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4555 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4556 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4557 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4559 2006-09-01 DJ Delorie <dj@redhat.com>
4561 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4562 (stzx_16): Likewise.
4563 ("stzx_24_<mode>"): Likewise.
4564 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4565 ("cmp<mode>_op"): New.
4566 (cmp<mode>): Change to expander; just save operands.
4568 (b<code>): Change to expander, emit compare here.
4569 (s<code>_op): Change to use split and expander.
4570 (s<code>_24_op): Likewise.
4571 (s<code>_<mode>): New.
4572 (s<code>_<mode>_24): New.
4573 (movqicc_<code>_<mode): New.
4574 (movhicc_<code>_<mode>): New.
4577 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4578 (m32c_pend_compare): New.
4579 (m32c_unpend_compare): New.
4580 (m32c_expand_scc): New.
4581 (m32c_expand_movcc): Emit the compare also.
4582 * config/m32c/predicates.md (mra_nopp_operand): New.
4584 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4585 Richard Guenther <rguenther@suse.de>
4586 Adam Nemet <anemet@caviumnetworks.com>
4589 * builtins.c (get_pointer_alignment): Handle more forms
4590 of base addresses that can be used to derive more precise
4591 information about alignment.
4593 2006-09-01 Jason Merrill <jason@redhat.com>
4596 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4599 * gimplify.c (voidify_wrapper_expr): Handle null type.
4601 2006-09-01 Josh Conner <jconner@apple.com>
4604 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4605 (execute_return_slot_opt): Use it.
4607 2006-08-31 Josh Conner <jconner@apple.com>
4610 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4611 returning aggregates.
4613 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4615 PR tree-optimization/28839
4616 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4617 blocks in that phi arguments appear.
4619 2006-08-31 Roger Sayle <roger@eyesopen.com>
4622 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4623 NULL, otherwise use an advance_loc4 to adjust relative to the
4625 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4626 (dwarf2out_switch_text_section): Reset the current label to avoid
4627 using advance_loc4 over section boundaries.
4629 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4632 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4633 r12 + SYMBOLIC_CONST.
4635 2006-08-30 Richard Guenther <rguenther@suse.de>
4637 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4639 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4641 PR rtl-optimization/27735
4642 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4643 Add new argument to keep track of whether an irreducible region
4644 was affected. All callers changed.
4645 (fix_irreducible_loops): Removed.
4646 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4647 flags were invalidated.
4649 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4651 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4652 instead of SF operands.
4653 (*fop_df_comm_sse): Likewise.
4654 (*fop_df_comm_i387): Likewise.
4655 (*fop_df_1_mixed): Likewise.
4656 (*fop_df_1_sse): Likewise.
4658 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4659 J"orn Rennecke <joern.rennecke@st.com>
4661 PR tree-optimization/17506
4662 * tree-ssa.c (warn_uninit): If warning about a location outside of
4663 the current function, note where the variable was declared.
4665 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4667 PR tree-optimization/28411
4668 * double-int.c (double_int_div): Use double_int_divmod.
4669 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4670 double_int_mod, double_int_smod, double_int_umod): New functions.
4671 * double-int.h (double_int_divmod, double_int_sdivmod,
4672 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4674 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4676 (get_computation_aff, get_computation_cost_at): Handle double_int
4677 return type of constant_multiple_of.
4679 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4682 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4683 an implicit conversion.
4685 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4687 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4689 2006-08-27 Roger Sayle <roger@eyesopen.com>
4691 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4694 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4696 * config/i386/crtfastmath.c: Fix a comment typo.
4698 2006-08-26 Roger Sayle <roger@eyesopen.com>
4700 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4701 temporary visit flags on CASE_LABEL_EXPRs.
4702 * c-common.c (match_case_to_enum): Add function comment. Avoid
4703 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4704 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4705 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4706 a constant, only warn if that constant value isn't handled.
4708 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4711 * input.h (restore_input_file_stack): Declare.
4712 (INPUT_FILE_STACK_BITS): Define.
4713 * toplev.c (fs_p, input_file_stack_history,
4714 input_file_stack_restored, restore_input_file_stack): New.
4715 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4716 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4717 (pop_srcloc): Don't free old state of stack.
4719 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4722 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4723 (PowerPC Type Attributes): New.
4725 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4727 * config/xtensa/xtensa.c (function_arg_boundary): New.
4728 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4730 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4731 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4733 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4736 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4739 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4741 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4742 (verify_local_live_at_start): Likewise.
4744 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4747 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4748 omp_add_variable): Treat sizes as variable whenever not
4751 2006-08-26 Richard Guenther <rguenther@suse.de>
4754 * fold-const.c (fold_binary): Fold temporary to correct
4755 type before constructing new comparison.
4757 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4760 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4761 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4763 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4766 * c-decl.c (start_function): Don't try to process prototype
4767 information from old declaration that isn't a function.
4769 2006-08-25 Jan Hubicka <jh@suse.cz>
4772 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4774 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4777 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4780 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4782 PR tree-optimization/16876
4783 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4784 exit if PARM doesn't match VALUE.
4786 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4788 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4789 literal_prefix directive.
4790 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4791 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4792 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4794 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4797 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4798 predicate to general_operand. Add 0->y and I->r alternatives.
4800 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4802 * doc/tm.texi: Fix a typo.
4803 * predict.c: Fix comment typos.
4805 2006-08-25 Nick Clifton <nickc@redhat.com>
4807 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4808 assertions of "cpu" and "machine".
4810 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4813 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4814 the access through a base which has an alias set of 0 cannot
4817 2006-08-24 Bill Wendling <wendling@apple.com>
4819 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4821 2006-08-24 Jan Hubicka <jh@suse.cz>
4823 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4825 2006-08-24 Jan Hubicka <jh@suse.cz>
4828 * cgraph.c: Fix comments.
4829 (cgraph_varpool_mark_needed_node): Mark only variables not already
4831 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4832 (cgraph_varpool_assembled_nodes_queue): New static variable.
4833 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4834 (cgraph_varpool_output_debug_info): New function.
4835 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4836 * Makefile.in: Add gt-cgraphunit.h
4838 2006-08-24 Jan Hubicka <jh@suse.cz>
4840 * predict.c (probability_reliable_p): New predicate.
4841 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4842 (predict_loops): Do not predict loop exit with less than 2%
4844 * basic-block.h (edge_probability_reliable_p,
4845 br_prob_note_reliable_p): Declare.
4846 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4847 prediction when static predictor is not reliable.
4848 * rs6000.c (output_cbranch): Likewise.
4850 2006-08-23 Stuart Hastings <stuart@apple.com>
4853 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4854 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4856 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4859 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4860 complex values, nor for generic vector values.
4862 2006-08-22 Richard Guenther <rguenther@suse.de>
4865 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4866 parameter. Convert arguments to arithmetic expression to the
4868 (analyze_scalar_evolution_1): Adjust caller.
4870 2006-08-22 Jan Hubicka <jh@suse.cz>
4872 Patch by Paolo Bonzini
4873 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4876 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4878 PR tree-optimization/28003
4879 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4880 before grouping aliases.
4882 2006-08-22 Roger Sayle <roger@eyesopen.com>
4884 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4885 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4887 2006-08-21 Jason Merrill <jason@redhat.com>
4890 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4891 wrapper. Loop to handle nested wrappers.
4892 (gimplify_bind_expr): Remove temp parameter.
4893 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4894 and STATEMENT_LIST on the rhs.
4895 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4896 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4897 (gimplify_target_expr): Remove special BIND_EXPR handling.
4899 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4901 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4904 2006-08-21 Olivier Hainque <hainque@adacore.com>
4906 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4907 Arrange for the temporary captures of components overlapping the lhs
4908 to happen before the lhs is possibly cleared.
4910 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4912 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4913 necessary places to pass the correct "number of registers" values
4916 2006-08-20 Jan Hubicka <jh@suse.cz>
4918 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4919 (create_name_tags): Instead of quadratic checking use hashtable.
4920 * bitmap.h: Include hashtab.h.
4921 (bitmap_hash): Declare.
4922 * bitmap.c (bitmap_hash): New function.
4924 2006-08-20 Jan Hubicka <jh@suse.cz>
4926 PR rtl-optimization/28071
4927 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4929 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4930 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4931 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4932 cgraph_decide_inlining_incrementally): Update use of
4933 cgraph_check_inline_limits.
4934 * cgraph.c (edge_hash, edge_eq): New function.
4935 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4936 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4937 cgraph_remove_node): Maintain call site hash.
4938 * cgraph.h (struct cgraph_node): Add call_site_hash.
4939 (cgraph_set_call_stmt): New function.
4941 2006-08-20 Jan Hubicka <jh@suse.cz>
4943 PR rtl-optimization/28071
4944 * reload1.c (reg_has_output_reload): Turn into regset.
4945 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4946 choose_reload_regs, emit_reload_insns): Update to new
4947 reg_has_output_reload.
4949 2006-08-20 Jan Hubicka <jh@suse.cz>
4952 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4953 function body sizes.
4954 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4956 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4959 * tree.c (handle_dll_attribute): Return early if not a
4960 var or function decl.
4962 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4965 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4966 alignment of SPE vector types.
4968 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4970 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4972 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4975 * cgraph.h (struct cgraph_node): Remove externally_visible
4977 * cgraphunit.c (process_function_and_variable_attributes): Set
4978 local.externally_visible rather than externally_visible.
4981 * c-common.c (handle_externally_visible_attribute): First look
4982 at TREE_CODE and only if it is function or var decl, check for
4983 non-public objects. Don't warn for DECL_EXTERNAL.
4984 * cgraphunit.c (process_function_and_variable_attributes): Warn
4985 if externally_visible attribute is used on non-public object.
4987 2006-08-17 Jan Hubicka <jh@suse.cz>
4989 PR tree-optimization/27865
4990 * reload1.c (forget_marked_reloads): New function.
4991 (forget_old_reloads_1): When data are passed, just mark the registers
4993 (reload_as_needed): Use the new mechanizm.
4995 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4998 * reload.h (reg_equiv_alt_mem_list): New declaration.
4999 * reload1.c (reg_equiv_alt_mem_list): New definition.
5000 (reload): Initialize it and release it.
5001 (delete_output_reload): Use it.
5002 * reload.c (push_reg_equiv_alt_mem): New function.
5003 (find_reloads_toplev): Call it.
5004 (find_reloads_address, find_reloads_address_1): Likewise.
5005 (find_reloads_subreg_address): Likewise.
5007 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5009 PR rtl-optimization/28489
5010 * sched-ebb.c (begin_schedule_ready): Create basic block
5012 (advance_target_bb): Skip empty blocks.
5013 * haifa-sched.c (bb_note): Make global.
5014 * sched-int.h (bb_note): Add prototype.
5016 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5018 PR tree-optimization/27865
5019 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5021 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5022 fold_used_pointer, pointer_used_p): New functions.
5023 (analyze_scalar_evolution_1): Use fold_used_pointer.
5024 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5025 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5028 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5031 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5032 or the INTEGER_CST. Fail on a CALL_EXPR.
5033 (fold_offsetof): Pass new argument to fold_offsetof_1.
5034 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5035 operand into an INDIRECT_REF.
5036 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5038 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5040 PR gcov/profile/26570
5041 * value-prof.c (static_values): Removed.
5042 (tree_find_values_to_profile): Do not set static_values.
5043 (find_values_to_profile): Do not free static_values.
5044 * profile.c (instrument_values): Do not free the values.
5045 (branch_prob): Free the values.
5047 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5049 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5051 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5054 * c-typeck.c (build_component_ref): Combine qualifiers of
5055 structure or union and field.
5057 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5059 PR rtl-optimization/28071
5060 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5061 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5062 * tree-into-ssa.c (struct dom_dfsnum): New.
5063 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5065 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5066 compute_global_livein.
5067 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5068 in phi nodes in the correct blocks.
5070 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5072 PR tree-optimization/28364
5073 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5075 (fold_affine_expr): New function.
5076 (may_eliminate_iv): Use fold_affine_expr.
5078 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5081 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5084 2006-08-16 Mike Stump <mrs@apple.com>
5086 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5087 * doc/cppopts.texi (-MD): Likewise.
5089 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5092 * c-common.c (handle_weak_attribute): Ignore and warn if
5093 not a FUNCTION_ or VAR_DECL.
5095 2006-07-15 Mike Stump <mrs@apple.com>
5098 * c-parser.c (c_parser_typeof_specifier): Don't use
5099 c_finish_expr_stmt, open code desired semantics instead.
5101 2006-08-15 Nick Clifton <nickc@redhat.com>
5103 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5104 fragment to tmake_file only if threads are enabled.
5105 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5106 * config/i386/t-gthr-win32: New file. ... here.
5108 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5111 * c-parser.c (c_parser_compound_statement_nostart): Reset
5112 parser->error after each statement.
5114 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5117 * omp-low.c (lower_omp_parallel): Convert t to
5118 receiver_decl's type.
5119 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5120 source before comparison.
5123 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5124 to itype in assignment to oldival2.
5126 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5130 * c-typeck.c (build_compound_expr): If the second expression
5131 is an error mark, then just return an error mark instead of
5132 creating a COMPOUND_EXPR.
5134 2006-07-14 Mike Stump <mrs@apple.com>
5136 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5138 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5140 * c-decl.c, var-tracking.c: Fix comment typos.
5142 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5144 PR rtl-optimization/28634
5145 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5146 for floating-point modes unless flag_unsafe_math_optimizations.
5148 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5149 Andrew Pinski <pinskia@physics.uc.edu>
5152 * tree.c (build_array_type): Unify array types with
5153 unspecified index_type.
5154 * c-decl.c (grokdeclarator): Make sure we do not modify a
5155 unified incomplete array type.
5156 * c-typeck.c (store_init_value): Create distinct type before
5157 filling in the index type in an initializer from a compound
5160 * c-decl.c (grokdeclarator): Remove code where we copy the
5163 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5165 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5166 into account for TODO_dump_cgraph.
5167 (TODO_update_ssa_no_phi): Likewise.
5168 (TODO_update_ssa_full_phi): Likewise.
5169 (TODO_update_ssa_only_virtuals): Likewise.
5170 (TODO_remove_unused_locals): Likewise.
5171 (TODO_set_props): Likewise.
5172 (TODO_update_stmt_usage): Likewise.
5174 2006-08-13 Dirk Mueller <dmueller@suse.de>
5176 * c-common.c (strict_aliasing_warning): Fix formatting.
5178 2006-08-13 Matthias Klose <doko@debian.org>
5180 * doc/invoke.texi: Fix spelling errors.
5182 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5184 PR rtl-optimization/23454
5185 * reorg.c (relax_delay_slots): Update comment.
5187 2006-08-11 Richard Guenther <rguenther@suse.de>
5190 * simplify-rtx.c (simplify_const_relational_operation):
5191 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5194 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5196 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5197 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5199 2006-08-10 Paul Brook <paul@codesourcery.com>
5201 * final.c (final_scan_insn): Clear current_insn_predicate before
5202 outputting inline asm.
5204 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5206 PR tree-optimization/26197
5207 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5208 get_ref_base_and_extent and overlap_subvar to add only relevant
5209 subvars as may-aliases.
5210 (add_may_alias_for_new_tag): New function, factored out of
5212 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5213 with additional argument.
5214 * tree-flow.h (new_type_alias): Takes additional argument.
5216 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5218 * gcov.c (no_data_file): New flag.
5219 (read_count_file): Set it if data file not present. Assume counts
5221 (output_lines): Don't name the data file, if there wasn't one.
5223 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5225 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5226 (rs6000_generate_compare): Tweak comments.
5227 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5229 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5231 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5232 (var_debug_decl): New function.
5233 (var_reg_set): Follow debug decl link. Add location even if
5234 reg is already known to hold some other variable.
5235 (var_mem_set): Follow debug decl link.
5236 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5237 decl link. Delete other known locations of the variable part
5239 (var_reg_delete, var_mem_delete): Delete other known locations
5240 of the variable part if requested.
5241 (same_variable_part_p): New function.
5242 (add_stores): Select MO_COPY when appropriate.
5243 (vt_initialize): Handle it.
5244 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5245 known locations for MO_SET and MO_CLOBBER.
5246 (find_variable_location_part): New function.
5247 (set_variable_part, delete_variable_part): Use it.
5248 (clobber_variable_part): New function.
5249 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5252 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5254 PR tree-optimization/26969
5255 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5256 with an empty list of PHIs.
5258 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5262 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5265 2006-08-06 Andreas Schwab <schwab@suse.de>
5267 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5268 string. Whitespace and comment fixup.
5270 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5273 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5277 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5280 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5282 2006-08-04 Jan Hubicka <jh@suse.cz>
5286 * reload.c (push_reload): Patch out the mismatching instruction;
5288 (find_reload): Bail out if the instruction was patched out.
5290 2006-08-04 Jan Hubicka <jh@suse.cz>
5292 PR tree-optimization/24888
5293 * tree-inline.c (expand_call_inline): Do not re-record variables.
5294 (declare_inline_vars): Add variable to unexpanded_var_list.
5296 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5297 Roger Sayle <roger@eyesopen.com>
5299 PR rtl-optimization/26244
5300 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5301 inner_const are negative or greater than or equal to the bitsize of
5302 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5303 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5304 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5305 CONST0_RTX (mode) when the new shift count is greater than or equal to
5306 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5309 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5311 * tree-cfg.c: Fix a comment typo.
5313 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5316 * varasm.c (output_constant): Give the front end another chance to
5317 expand constants, after stripping NOPs.
5319 2006-08-03 Jan Hubicka <jh@suse.cz>
5321 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5324 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5326 PR tree-optimization/27770
5327 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5328 declaration removed (moved to tree-flow.h).
5329 (vect_can_force_dr_alignment_p): Likewise.
5330 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5331 (moved from tree-vectorizer.h).
5332 (vect_can_force_dr_alignment_p): Likewise.
5333 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5334 from outside the vectorizer - in particular from cgraph stage.
5335 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5336 the alignment of global arrays when -fsection-anchors is enabled.
5337 * cgraphunit.c (cgraph_increase_alignment): New function.
5338 (cgraph_optimize): Call cgraph_increase_alignment.
5340 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5343 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5344 not reload a SPE symbol_ref into a lo_sum address.
5346 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5349 * dwarf2out.c (prune_unused_types_prune): Move call to
5350 prune_unused_types_update_strings to cover the parent DIE also.
5352 2006-08-02 Jan Hubicka <jh@suse.cz>
5354 PR gcov/profile/28480
5355 * tree-cfg.c (change_bb_for_stmt): New function.
5356 (tree_merge_blocks, tree_split_blocks): Use it.
5358 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5364 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5365 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5366 (cgraph_optimize): Likewise.
5368 2006-08-01 Stuart Hastings <stuart@apple.com>
5370 * rtl.h (UINTVAL) New.
5371 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5372 * testsuite/gcc.dg/20060801-1.c: New.
5374 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5377 * c-typeck.c (build_external_type): Mark used enum types.
5378 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5380 (gen_subprogram_die): Whitespace fix.
5382 2006-08-01 Jan Hubicka <jh@suse.cz>
5384 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5385 bitmap when not needed.
5386 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5389 2006-08-01 Dirk Mueller <dmueller@suse.de>
5391 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5393 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5395 * Makefile.in: Revert part of previous patch:
5396 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5399 2006-07-30 Eric Christopher <echristo@apple.com>
5402 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5403 (PowerPC Variable Attributes): New section.
5405 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5407 PR target/28126 (partial fix)
5408 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5410 2006-07-28 Jan Hubicka <jh@suse.cz>
5412 PR rtl-optimization/28071
5413 * cfgrtl.c (rtl_delete_block): Free regsets.
5414 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5416 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5418 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5419 and variables used in dependencies.
5421 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5423 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5424 %fs for -mcmodel=kernel.
5425 (stack_tls_protect_test_di): Likewise.
5427 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5429 * Makefile.in: Use mkinstalldirs.
5431 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5434 * opts-common.c (prune_options): Skip joined switches.
5436 2006-07-27 Jan Hubicka <jh@suse.cz>
5438 PR rtl-optimization/28071
5439 * cselib.c (cselib_process_insn): Don't remove useless values too
5440 often for very large hashtables.
5442 2006-07-27 Jan Hubicka <jh@suse.cz>
5444 PR rtl-optimization/28071
5445 * global.c (greg_obstack): New obstack.
5446 (allocate_bb_info): Use it.
5447 (free_bb_info): Likewise.
5448 (modify_reg_pav): Likewise.
5450 2006-07-27 Roger Sayle <roger@eyesopen.com>
5452 * builtins.c (fold_fixed_mathfn): When long and long long are the
5453 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5454 functions to their lceil*, lfloor*, lround* and lrint* forms.
5456 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5459 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5461 (rev_branch_insn): Likewise.
5463 2006-07-27 Jan Hubicka <jh@suse.cz>
5465 PR rtl-optimization/28071
5466 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5467 (reg_set_in_bb, max_reg_computed): New static variables.
5468 (regmove_optimize): Free the new array.
5469 (fixup_match_1): Update call of reg_is_remote_constant_p.
5471 2006-07-26 Jan Hubicka <jh@suse.cz>
5473 PR tree-optimization/27882
5474 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5476 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5478 (cgraph_analyze_compilation_unit): Likewise.
5479 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5480 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5481 (cgraph_early_inlinine): Make order garbage collected.
5482 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5484 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5486 * dbxout.c (output_types_sort): Add a comment.
5487 (output_used_types): Free the VEC.
5489 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5491 * function.c (reorder_fix_fragments): Delete.
5492 (reorder_blocks): Don't call it.
5493 (reorder_blocks_1): Put all subblocks under the origin block.
5495 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5497 PR rtl-optimization/27907
5498 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5501 2006-07-25 Roger Sayle <roger@eyesopen.com>
5504 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5505 bar(x) check that bar's result type can represent all the values of T.
5507 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5509 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5511 2006-07-25 Nick Clifton <nickc@redhat.com>
5513 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5514 size_lookup[] array.
5515 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5516 (ggc_pch_count_object): Likewise.
5517 (ggc_pch_alloc_object): Likewise.
5518 (ggc_pch_write_object): Likewise.
5519 (init_ggc): Do not attempt to initialize entries in the
5520 size_lookup[] array for objects whose size is greater than than
5521 the length of the array.
5523 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5525 * dbxout.c (output_used_types_helper): Push queued types
5527 (output_types_sort): New.
5528 (output_used_types): Collect used types on a VEC and sort them
5531 2006-07-24 Richard Guenther <rguenther@suse.de>
5534 * cgraph.c (cgraph_remove_node): Do not check if dumps
5536 * cgraphunit.c (cgraph_optimize): Likewise.
5538 2006-07-24 Jan Hubicka <jh@suse.cz>
5540 PR rtl-optimization/28071
5541 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5542 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5543 splitting before first stmt.
5545 2006-07-24 Jan Hubicka <jh@suse.cz>
5547 PR rtl-optimization/28071
5548 * ipa-inline.c (update_caller_keys): Remove edges that
5549 are no longer inline candidates.
5551 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5554 * dbxout.c (output_used_types_helper, output_used_types): New.
5555 (dbxout_symbol): Call output_used_types.
5557 2006-07-23 Jan Hubicka <jh@suse.cz>
5561 * cgraph.c (cgraph_varpool_nodes): Export.
5562 (decide_is_variable_needed): Ignored "used" attribute in
5563 unit-at-a-time mode.
5564 * cgraph.h (cgraph_varpool_nodes): Declare.
5565 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5566 unit-at-a-time mode.
5568 2006-07-23 Roger Sayle <roger@eyesopen.com>
5571 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5572 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5573 the __gthrw form of thr_keycreate.
5574 (__gthread_key_delete): Silence the unused argument warning.
5576 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5579 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5580 Cache the last found '\0' marker to avoid quadratic behavior.
5582 2006-07-23 Jan Hubicka <jh@suse.cz>
5584 * i386.md (subsi_3_zext): Fix output template.
5586 2006-07-21 Mike Stump <mrs@apple.com>
5588 * doc/invoke.texi (C++ Dialect Options): Note that
5589 -fvisibility-inlines-hidden doesn't affect explicitly
5590 instantiationed inline methods.
5592 2006-07-20 Roger Sayle <roger@eyesopen.com>
5594 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5595 if the target assembler is GNU binutils' gas.
5596 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5597 whether to pass GNU gas or native as command line options.
5599 2006-07-20 Jason Merrill <jason@redhat.com>
5601 * tree.c (remove_attribute): New fn.
5602 * tree.h: Declare it.
5604 2006-07-20 Paul Brook <paul@codesourcery.com>
5607 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5608 they are invalidated by this instruction.
5610 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5613 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5615 2006-07-20 Eric Christopher <echristo@apple.com>
5618 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5620 2006-07-19 Eric Christopher <echristo@apple.com>
5622 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5623 Rewrite dependencies for libgcc_s.1.dylib.
5625 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5627 * except.c (duplicate_eh_regions_1): Clear next_peer.
5629 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5631 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5632 -mlongcall does not guarantee all calls will be long.
5633 * doc/extend.texi (long_call/short_call): Document that longcall
5634 does not guarantee a long call will be used.
5635 (longcall/shortcall): Likewise.
5637 2006-07-18 Roger Sayle <roger@eyesopen.com>
5640 * expmed.c (expand_shift): Additionally check that the shift_cost
5641 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5642 before implementing a LSHIFT_EXPR as a sequence of additions.
5643 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5644 middle-end that DImode shifts need to be synthesized by expand.
5646 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5649 * tree-ssa-operands.c (access_can_touch_variable): Update
5651 Return true if ALIAS is .GLOBAL_VAR.
5653 2006-07-18 David Daney <ddaney@avtrex.com>
5655 * gcc.c (display_help): Fix typo in help text.
5657 2006-07-18 Olivier Hainque <hainque@adacore.com>
5659 * tree.h (categorize_ctor_elements): Adjust prototype and add
5660 descriptive comment, both in accordance with the interface change
5662 * varasm.c (constructor_static_from_elts_p): New function.
5663 Whether a constructor node is a valid static constant initializer
5664 if all its elements are.
5665 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5666 * output.h: Declare it.
5667 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5668 is a valid constant initializer instead of computing the number of
5669 non-constant elements. Use constructor_static_from_elts_p for this
5670 purpose. Replace the head comment with an indication that this is a
5671 helper for categorize_ctor_elements.
5672 (categorize_ctor_elements): Same interface change as for the _1
5673 helper. Former head comment from this helper moved here, adjusted to
5674 account for the interface changes.
5675 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5676 (all_zeros_p): Likewise.
5677 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5678 static versions of the constructor from the categorize_ctor_elements
5679 return value instead of the formerly computed number of non-constant
5682 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5684 * configure: Regenerate.
5685 * Makefile.in (build_libsubdir): New configure substitution
5686 (build_libobjdir): New variable.
5687 (BUILD_LIBIBERTY): Use it.
5689 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5692 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5694 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5697 * c-common.c (handle_weakref_attribute): Ignore attribute in
5698 the same conditions the alias attribute is ignored.
5700 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5702 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5703 (dbxout_begin_prologue): Increment scope_labelno.
5705 2006-07-17 Richard Henderson <rth@redhat.com>
5708 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5711 2006-07-17 Roger Sayle <roger@eyesopen.com>
5712 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5714 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5715 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5716 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5717 functions such as sbrk, write, etc.. Add function prototypes.
5718 Convert function declarations from K&R to ISO C. Cast pointers
5719 to "long" and "unsigned long" instead of "int" and "unsigned int".
5720 Convert tokens following #endif into comments.
5722 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5724 * invoke.texi: Remove mention of f77; Reformat table for
5725 inline parameter options correctly; mention that -malign-double
5726 is default on x86-64 targets.
5728 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5730 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5731 (convert_affine_scev, chrec_convert_aggressive): Use
5732 avoid_arithmetics_in_type_p. Do not check for the subtypes
5735 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5738 * optabs.c (expand_doubleword_shift): Wrap the call to
5739 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5741 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5744 * optabs.c (expand_binop): Pass next_methods rather than methods
5745 to expand_doubleword_shift.
5747 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5750 * tree.h (dump_addr): Declare.
5751 * print-tree.c (dump_addr): New function.
5752 (print_node_brief, print_node): Use it.
5753 * print-rtl.c (print_rtx): Likewise.
5754 * common.opt (-fdump-noaddr): New option.
5755 * doc/invoke.texi (-fdump-noaddr): Document.
5756 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5757 (ve_info_hash): Likewise.
5759 2006-07-13 Andrew Haley <aph@redhat.com>
5761 PR tree-optimization/19505
5762 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5763 edge leaving this block, make sure that the destination of this
5764 block has only one predecessor.
5766 2006-07-17 Richard Guenther <rguenther@suse.de>
5768 PR tree-optimization/28238
5769 * tree-inline.c (copy_bb): Check if we produced valid
5770 gimple copying and substituting a stmt. If not, gimplify
5773 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5775 * optabs.c (maybe_encapsulate_block): New function extracted from...
5776 (emit_libcall_block): ...here. Invoke it on the block of insns to
5777 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5778 (emit_no_conflict_block): Likewise.
5780 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5782 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5784 2006-07-15 Roger Sayle <roger@eyesopen.com>
5786 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5787 a new NOP_EXPR case of the switch statement.
5789 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5792 * stor-layout.c (place_field): Take the bit field with
5793 an excessive size into account in the ms-bitfiled case.
5796 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5797 the previous bit field.
5799 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5802 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5804 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5806 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5807 signal frames correctly even when the signal was installed with
5810 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5812 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5813 (dbxout_function_end): Use local label LFBB. Remove hook
5815 (dbxout_source_line): Use local label LFBB.
5816 (dbxout_block): Likewise.
5817 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5818 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5819 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5820 and DBX_OUTPUT_NFUN.
5822 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5824 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5826 2006-07-13 Jan Hubicka <jh@suse.cz>
5828 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5830 * output.h (align_variable): Declare.
5831 * varasm.c (align_variable): Export.
5832 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5833 when basic block changed.
5835 2006-07-13 Nick Clifton <nickc@redhat.com>
5837 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5838 walking the LOG_LINKS chain.
5840 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5842 * doc/invoke.texi (C++ Dialect Options): Explain difference
5843 between -fvisibility-inlines-hidden and setting hidden
5844 visibility explicitly.
5846 2006-07-12 Eric Christopher <echristo@apple.com>
5848 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5849 (stmp-lipo): Depend on libgcc.a.
5851 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5853 * tree.c: Fix a comment typo.
5855 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5857 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5859 (umulhisi3_r): Likewise.
5861 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5864 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5865 x < 19, vs wchar_t support.
5867 2006-07-12 Nick Clifton <nickc@redhat.com>
5869 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5870 instead of -isa=sh4.
5872 2006-07-12 Mike Stump <mrs@apple.com>
5874 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5876 2006-07-10 Eric Christopher <echristo@apple.com>
5878 * config/t-slibgcc-darwin: Rewrite.
5880 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5883 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5886 2006-07-08 Matthias Klose <doko@debian.org>
5888 * doc/sourcebuild.texi: Fix typo.
5890 2006-07-07 Mike Stump <mrs@apple.com>
5892 * toplev.c (process_options): Don't give -ffunction-sections may
5893 affect debugging warning for Mach-O.
5895 2006-07-07 James E Wilson <wilson@specifix.com>
5897 * config/mips/mips.md (cpu): Add sb1a.
5898 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5899 addition to sb1. Adjust comments to clarify SB-1A differences from
5901 (ir_sb1a_load): New. Modify bypasses to use it.
5902 (ir_sb1a_simple_alu): Likewise.
5903 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5904 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5905 (mips_issue_rate): Add PROCESSOR_SB1A.
5906 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5907 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5908 (TARGET_SB1): Add PROCESSOR_SB1A check.
5909 (TUNE_SB1): Likewise.
5911 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5912 * config/mips/mips.c (mips_store_data_bypass_p): New.
5913 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5914 store_data_bypass_p.
5916 2006-07-08 Paul Brook <paul@codesourcery.com>
5919 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5921 2006-07-07 Richard Guenther <rguenther@suse.de>
5924 * tree.h (build_one_cst): Declare.
5925 * tree.c (build_one_cst): New function.
5926 * tree-ssa-math-opts.c (get_constant_one): Remove.
5927 (insert_reciprocals): Use build_one_cst.
5928 * fold-const.c (fold_plusminus_mult): Likewise.
5930 2006-07-07 Roger Sayle <roger@eyesopen.com>
5932 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5933 * cfgloopanal.c (dump_graph): Likewise.
5934 * dojump.c (discard_pending_stack_adjust): Likewise.
5935 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5937 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5938 * function.c (finalize_block_changes): Likewise.
5939 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5940 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5941 * rtl.c (dump_rtx_statistics): Likewise.
5942 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5944 * varray.c (dump_varray_statistics): Likewise.
5945 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5946 decode_decimal64, encode_decimal128, decode_decimal128,
5947 decimal_real_to_decimal): Likewise.
5949 2006-07-07 Richard Guenther <rguenther@suse.de>
5951 PR tree-optimization/28187
5952 * tree-vrp.c (vrp_operand_equal_p): New function.
5953 (vrp_bitmap_equal_p): Likewise.
5954 (update_value_range): Use them to compare old and new
5957 2006-07-06 Roger Sayle <roger@eyesopen.com>
5959 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5960 a default case to switch statement to silence compiler warnings.
5962 2006-07-06 Roger Sayle <roger@eyesopen.com>
5965 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5966 the configured assembler supports the x87's ffreep mnemonic.
5967 * configure: Regenerate.
5968 * config.in: Regenerate.
5970 * config/i386/i386.c (output_387_ffreep): New function.
5971 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5972 (output_387_reg_move): Likewise.
5974 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5976 Port to hosts whose 'sort' and 'tail' implementations
5977 treat operands with leading '+' as file names, as POSIX
5978 has required since 2001. However, make sure the code still
5979 works on pre-POSIX hosts.
5980 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5981 which says you should use "tail -c +N" rather than "tail +Nc".
5982 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5984 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5986 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5989 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5992 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5993 PRE_{INC,DEC} of TFmode.
5995 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5996 Alan Modra <amodra@bigpond.net.au>
5999 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6002 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6005 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6006 Remove duplicate gtu.
6008 2006-07-05 Jason Merrill <jason@redhat.com>
6012 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6013 * c-common.c (handle_packed_attribute): So don't copy it here.
6014 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6016 2006-07-05 Mike Stump <mrs@apple.com>
6018 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6020 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6023 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6025 2006-07-05 Richard Guenther <rguenther@suse.de>
6028 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6029 TARGET_SSE2 targets if using SSE math.
6030 (*absdf2_1): Likewise.
6032 2006-07-05 Richard Guenther <rguenther@suse.de>
6034 PR tree-optimization/28162
6035 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6036 make sure to convert the operands to the correct type.
6038 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6040 PR tree-optimization/28218
6042 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6043 to calculate and free the dominator information.
6045 2006-07-04 Peter O'Gorman <peter@pogma.com>
6047 * mklibgcc.in: chmod 644 before ranlib during install.
6049 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6050 J"orn Rennecke <joern.rennecke@st.com>
6052 * configure.ac (.eh_frame data check): Use diff -b.
6054 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6057 * Makefile.in (BUILD_RTL): Add build/vec.o.
6058 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6059 (build/genextract): Delete.
6060 (build/genautomata): Likewise.
6062 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6065 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6066 128-bit IBM long doubles for ABI_V4.
6068 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6070 * tree.c (range_in_array_bounds_p): New predicate.
6071 * tree.h (range_in_array_bounds_p): Declare it.
6072 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6073 return a less conservative answer.
6074 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6075 and flag 'is_group'.
6076 (IS_ELEMENT_FOR_GROUP): New macro.
6077 (FOR_EACH_ACTUAL_CHILD): Likewise.
6078 (next_child_for_group): New helper function.
6079 (can_completely_scalarize_p): Take into account groups.
6080 (sra_hash_tree): Handle RANGE_EXPR.
6081 (sra_elt_eq): Likewise.
6082 (lookup_element): Be prepared for handling groups.
6083 (is_valid_const_index): Delete.
6084 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6085 instead of is_valid_const_index.
6086 <ARRAY_RANGE_REF>: New case.
6087 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6088 is_valid_const_index.
6089 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6090 (scan_dump): Dump info for groups too.
6091 (decide_instantiation_1): Likewise.
6092 (decide_block_copy): Assert that the element is not a group.
6093 Propagate decision to groups.
6094 (generate_one_element_ref): Handle RANGE_EXPR.
6095 (mark_no_warning): Iterate over actual childs.
6096 (generate_copy_inout): Likewise.
6097 (generate_element_copy): Likewise.
6098 (generate_element_zero): Likewise.
6099 (generate_element_init_1): Likewise.
6100 (dump_sra_elt_name): Handle RANGE_EXPR.
6102 2006-07-03 Roger Sayle <roger@eyesopen.com>
6104 PR tree-optimization/26251
6105 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6106 (thread_block): When optimizing for size refuse to thread jumps
6107 that would require duplication of blocks other than redirection
6110 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6112 * configure.ac: Fix thinko in previous check-in.
6113 * configure: Regenerate.
6115 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6118 * configure.ac (for lang...): Simplify nesting of conditionals.
6119 Test subdir_requires for non-enabled languages. Move processing
6120 of lang_opt_files and lang_tree_fiels below that test.
6121 * configure: Regenerate.
6122 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6124 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6126 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6128 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6130 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6133 2006-06-29 Jason Merrill <jason@redhat.com>
6140 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6141 * c-common.c (c_determine_visibility): Handle it here.
6142 * c-decl.c (finish_decl): Call c_determine_visibility for
6144 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6146 * varasm.c (default_assemble_visibility): Likewise.
6147 * c-common.c (handle_visibility_attribute): Complain about trying
6148 to give visibility to an already defined class, or trying to change
6149 declared visibility. Always attach the attribute.
6154 * attribs.c (decl_attributes): Ignore type-in-place attributes
6155 once the type has been defined.
6157 2006-06-29 Roger Sayle <roger@eyesopen.com>
6160 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6161 to indicate the cpplib has issued an error message for us.
6163 2006-06-29 Asher Langton <langton2@llnl.gov>
6166 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6167 insert a label at the end of an function under Mach-O.
6169 2006-06-29 Eric Christopher <echristo@apple.com>
6170 Evan Cheng <evan.cheng@apple.com>
6172 * predicates.md (vector_all_ones_operand): New.
6173 (nonimmediate_or_sse_const_operand): Ditto.
6174 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6175 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6176 (standard_sse_mode_p): Ditto.
6177 (standard_sse_constant_p): Add case for -1 vector.
6178 (ix86_expand_vector_move): Try to use.
6179 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6180 Call standard_sse_constant_opcode.
6181 (*movv4sf_internal): Ditto.
6182 (*movv2df_internal): Ditto.
6184 2006-06-29 Roger Sayle <roger@eyesopen.com>
6186 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6187 of XEXP to extract the operands of a MATCH_CODE rtx.
6189 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6191 * tree.c (tree_size): Do not waste tail padding in
6192 struct tree_string and make the size be the same as
6193 build_string will generate.
6195 2006-06-28 Jason Merrill <jason@redhat.com>
6198 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6199 may_aliases already in the tag's annotations to the bitmap.
6201 2006-06-28 Roger Sayle <roger@eyesopen.com>
6203 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6205 2006-06-28 Roger Sayle <roger@eyesopen.com>
6207 * genpreds.c (generate_switch_p): New function.
6208 (add_mode_tests): Push the new mode test down inside an AND expr
6209 if this allows the switch-suitable MATCH_CODE to be near the root.
6210 (write_match_code_switch): New function to write a MATCH_CODE as
6212 (write_predicate_stmts): New function to write a predicate RTX
6213 expression as a sequence of statements.
6214 (write_one_predicate_function): Use write_predicate_stmts.
6215 (write_tm_constrs_h): Likewise.
6217 2006-06-26 Fred Fish <fnf@specifix.com>
6219 * config/mips/t-sb1: New file.
6220 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6223 2006-06-26 DJ Delorie <dj@redhat.com>
6225 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6227 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6228 Jayant Sonar <jayants@kpitcummins.com>
6229 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6231 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6232 (subsi3, subsi3_1, subsi3_2): New.
6233 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6234 * config/m32c/mov.md (SI mov peephole): New.
6235 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6236 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6238 2006-06-26 Olivier Hainque <hainque@adacore.com>
6240 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6241 a CALL_EXPR target function declaration.
6243 2006-06-26 Richard Guenther <rguenther@suse.de>
6245 * tree.c (build_string): Do not waste tail padding in
6248 2006-06-26 Richard Guenther <rguenther@suse.de>
6250 * ggc-page.c (init_ggc): Add missing element to size_lookup
6254 2006-06-23 Richard Guenther <rguenther@suse.de>
6256 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6257 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6258 alignment requests instead. Add verification code.
6259 Add struct tree_function_decl and struct tree_binfo size to
6260 extra_order_size_table. Add missing element to size_lookup
6263 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6266 * fold-const.c (const_binop): Be prepared for self returning zero.
6267 Simplify code handling complex values.
6269 2006-06-24 Olivier Hainque <hainque@adacore.com>
6271 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6272 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6275 2006-06-24 Olivier Hainque <hainque@adacore.com>
6277 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6278 ARRAY_REF, so have the callback called for the low bound expression.
6280 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6282 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6283 * c-typeck.c (c_common_type): Disallow operations on decimal float
6284 types and other float types.
6285 * convert.c (convert_to_real): Don't ignore conversions involving
6286 decimal float types.
6288 2006-06-23 Olivier Hainque <hainque@adacore.com>
6290 * tree.c (max_int_size_in_bytes): New function, inspired from
6291 code in function.c:assign_temp.
6292 * tree.h (max_int_size_in_bytes): Declare.
6293 * function.c (assign_temp): Use it.
6294 * gimplify.c (create_tmp_var): Relax the assertions on the type
6295 properties, not mandating constant size any more.
6296 (force_constant_size): New static function.
6297 (gimple_add_tmp_var): Use it, forcing variable size to a
6298 constant upper bound if it is not constant on entry.
6300 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6303 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6304 for initialization and setting of one_only flag to ...
6305 (i386_pe_encode_section_info): ...here.
6306 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6307 Recheck that the symbol has not been defined.
6309 2006-06-23 Richard Guenther <rguenther@suse.de>
6311 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6312 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6313 alignment requests instead. Add verification code.
6314 Add struct tree_function_decl and struct tree_binfo size to
6315 extra_order_size_table. Add missing element to size_lookup
6318 2006-06-22 Roger Sayle <roger@eyesopen.com>
6319 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6322 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6323 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6325 2006-06-23 Ben Elliston <bje@au.ibm.com>
6327 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6328 negate dn -- manipulate it directly.
6330 2006-06-22 Roger Sayle <roger@eyesopen.com>
6331 Steven Bosscher <stevenb.gcc@gmail.com>
6334 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6335 generated by gen_move_insn to add REG_LABEL notes if necessary.
6337 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6339 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6340 (leaf_entry): Remove use of MIN_ESA.
6342 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6344 PR rtl-optimization/28121
6345 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6348 2006-06-21 DJ Delorie <dj@redhat.com>
6350 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6352 (mulhisi3_r): Likewise.
6354 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6357 * coverage.c (coverage_counter_alloc): Leave the index type
6359 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6362 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6364 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6365 section from the "Options for Code Generation Conventions".
6367 2006-06-21 Richard Henderson <rth@redhat.com>
6371 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6373 (global_symbolic_operand): Allow weak symbols, even if local_p.
6375 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6377 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6378 (find_interesting_uses_address): Punt if above function returns true.
6380 2006-06-21 Richard Guenther <rguenther@suse.de>
6382 * configure: Regenerated.
6384 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6386 * config/mips/mips.c (function_arg): Where one part of a
6387 complex argument is in registers and the other part in the stack,
6388 return a REG not a PARALLEL.
6390 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6392 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6393 when cross-compiling. Do not substitute libstdcxx_incdir.
6394 * configure: Regenerated.
6396 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6398 * varasm.c (mergeable_string_section): Check for embedded NULs and
6399 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6400 rather than TREE_STRING_LENGTH bytes.
6402 2006-06-21 Richard Guenther <rguenther@suse.de>
6404 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6405 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6408 2006-06-21 Richrad Guenther <rguenther@suse.de>
6410 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6411 Limit iteration over the dominators.
6413 2006-06-20 Roger Sayle <roger@eyesopen.com>
6415 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6416 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6418 2006-06-20 Richard Guenther <rguenther@suse.de>
6419 Michael Matz <matz@suse.de>
6421 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6423 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6424 * et-forest.h (et_free_pools): Prototype new function.
6425 * et-forest.c (et_free_tree_force): Free parent occurrence.
6426 (et_free_pools): New function.
6427 * dominance.c (free_dominance_info): Free et-forest alloc
6430 2006-06-20 Roger Sayle <roger@eyesopen.com>
6432 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6433 integer modes, attempt to directly construct an integer constant.
6435 * fold-const.c (native_encode_vector): Determine the size of each
6436 element from the vector type instead of the first vector element.
6438 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6439 if all of its elements/components are constant.
6440 (build_constructor_from_list): Likewise.
6442 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6444 PR tree-optimization/27331
6445 * tree-data-ref.c (free_data_ref): New function.
6446 (create_data_ref): Fail if the data reference has unknown access
6448 (free_data_refs): Use free_data_ref.
6450 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6453 * tree-inline.c (setup_one_parameter): Strip useless
6454 type conversion before adding it to the IR.
6455 (declare_return_variable): Likewise.
6457 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6460 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6462 2006-06-19 Mike Stump <mrs@apple.com>
6464 * tree.c (variably_modified_type_p): VM arguments don't make the
6467 2006-06-19 Richard Guenther <rguenther@suse.de>
6469 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6470 type conversions after folding.
6472 2006-06-19 Richard Guenther <rguenther@suse.de>
6474 * ggc-page.c (extra_order_size_tab): Add entries with
6475 size of struct function and basic_block.
6476 (size_lookup): Extend to cover sizes up to 511.
6477 (ggc_alloc_stat): Adjust user.
6478 (ggc_pch_count_object): Likewise.
6479 (ggc_pch_alloc_object): Likewise.
6480 (ggc_pch_write_object): Likewise.
6482 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6484 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6485 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6488 2006-06-19 Denis Chertykov <denisc@overta.ru>
6490 * config/avr/libgcc.S : Correct my wrong previous commit.
6492 2006-06-19 Roger Sayle <roger@eyesopen.com>
6495 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6496 have stripped a SUBREG from the shift count, so we may need to
6497 convert_to_mode back to the type's mode before calling make_tree.
6498 Use new_amount instead of amount to avoid expanding a tree twice.
6500 2006-06-19 Richard Guenther <rguenther@suse.de>
6503 * fold-const.c (operand_equal_p): Check if the argument types
6504 have the same precision before stripping NOPs.
6506 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6508 Fix PR tree-optimization/27341
6509 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6511 * tree-complex.c (pass_lower_complex): Update SMT usage.
6513 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6515 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6516 Add a new alternative to the constraint strings. Add move of
6517 operand 1 to 3 to the splitter definition.
6518 ("doloop_si_long"): Second contraint alternative removed.
6520 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6522 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6523 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6525 (AVR_HAVE_MOVW) Define.
6526 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6527 (ASM_SPEC): Add avr25.
6528 (LINK_SPEC): Add avr25.
6529 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6530 (base_arch_s): Add new member 'have_movw_lpmx'.
6531 (avr_arch_types): Init 'have_movw_lpmx'.
6532 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6533 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6534 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6535 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6536 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6538 (avr_file_start): Do not output '.arh' derective.
6539 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6540 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6541 * config/avr/avr.md (mcu_enhanced): Delete.
6542 (mcu_have_movw): Define.
6543 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6544 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6545 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6546 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6547 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6548 attiny861 and at86rf401 devices.
6550 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6552 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6555 2006-06-17 Karl Berry <karl@gnu.org>
6557 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6558 doc/gccint.texi, doc/install.texi (@dircategory): Use
6559 "Software development" instead of "Programming", following
6560 the Free Software Directory.
6562 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6564 * config/i386/i386.c (legitimate_tls_address)
6565 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6566 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6567 (*tls_dynamic_gnu2_combine_64): Likewise.
6569 2006-06-16 Richard Guenther <rguenther@suse.de>
6572 * fold-const.c (negate_expr_p): Do not introduce undefined
6573 overflow in negating INTEGER_CSTs.
6574 (fold_negate_expr): Rename from negate_expr. Revert last
6575 change for folding BIT_NOT_EXPR. Change semantics to
6576 return NULL_TREE for non-simplified negations. Do not
6577 strip type conversions and unify type handling.
6578 (negate_expr): New function, wrap around fold_negate_expr
6579 but ensure building a tree always. Strip type conversions
6580 here, fold to result type.
6581 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6583 2006-06-16 Roger Sayle <roger@eyesopen.com>
6586 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6587 that (would) return their results in stack registers.
6589 2006-06-16 Michael Matz <matz@suse.de>
6590 Richard Guenther <rguenther@suse.de>
6592 * fold-const.c (fold_truthop): Only return new tree node if
6593 we canonicalized something.
6595 2006-06-16 Richard Guenther <rguenther@suse.de>
6597 * function.h (enum function_frequency): Move declaration
6598 out of struct function.
6599 (struct function): Move bool fields and the enum to the bitfield
6600 section. Reorder elements to avoid padding. Remove unused
6601 fields left over from the RTL inliner removal.
6602 * function.c (free_after_compilation): Do not zero removed fields.
6603 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6604 (ipa-type-escape.o): Likewise.
6606 2006-06-16 Richard Guenther <rguenther@suse.de>
6608 * cgraph.h (struct cgraph_local_info): Turn bool elements
6610 (struct cgraph_node): Likewise.
6611 (struct cgraph_varpool_node): Likewise.
6613 2006-06-15 Richard Guenther <rguenther@suse.de>
6615 * fold-const.c (fold_truth_not_expr): Rename from
6616 invert_truthvalue. Give it fold_* semantics to avoid
6618 (invert_truthvalue): New function. Wrapper around
6619 fold_truth_not_expr.
6620 (optimize_minmax_comparison): Avoid creating garbage.
6621 (fold_unary): Use fold_truth_not_expr for folding
6623 (fold_ternary): Replace uses of invert_truthvalue with
6624 fold_truth_not_expr where applicable.
6625 * tree.h (fold_truth_not_expr): Prototype.
6627 2006-06-16 Richard Guenther <rguenther@suse.de>
6629 PR tree-optimization/27781
6630 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6631 * ipa-pure-const.c (target.h): Include.
6632 (analyze_function): Do not analyze functions that do not
6635 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6638 * tree-dfa.c (referenced_vars_dup_list): Remove.
6639 (find_referenced_vars): Remove assert.
6640 (referenced_var_check_and_insert): Replace dup list with assert.
6641 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6642 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6644 2006-06-15 Richard Guenther <rguenther@suse.de>
6646 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6647 extra unused identifiers if not dumping.
6648 (create_variable_info_for): Likewise.
6650 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6652 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6653 (derive_constant_upper_bound): Derive more precise upper bound in
6654 common cases. Return type changed to double_int.
6655 (record_estimate): Reflect the changed return type of
6656 derive_constant_upper_bound.
6657 * double-int.c (double_int_zext, double_int_sext): Fix.
6659 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6661 * configure.ac (CFLAGS): Get them from the toplevel or from the
6662 configure invocation.
6663 * configure: Regenerate.
6664 * Makefile.in (CFLAGS): Substitute value provided by configure.
6666 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6669 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6670 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6671 rather than calling add_stmt on it.
6672 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6674 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6677 * reload1.c (reload): Remove registers returned by update_eliminables
6678 from used_spill_regs.
6680 2006-06-13 DJ Delorie <dj@redhat.com>
6682 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6684 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6686 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6687 html__strip_dir, html__mkdir_p. Enhance install-html target.
6688 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6689 * configure: Regenerate.
6691 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6693 * fold-const.c (fold_cond_expr_with_comparison): Check for
6694 Objective-C++ as language in deciding COND_EXPR transformation.
6696 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6699 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6700 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6701 * config/sh/lib1funcs.h (SL, SL1): Define.
6702 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6703 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6704 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6705 (OBJS_Os_4_200): New variable.
6706 ($(T)libgcc-Os-4-200.a): Use it.
6707 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6708 when dividing 1 and/or by 0.
6710 2006-06-13 Roger Sayle <roger@eyesopen.com>
6712 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6713 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6714 * configure: Regenerate.
6716 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6718 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6719 for real instruction.
6721 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6724 * haifa-sched.c (check_cfg): Handle special case.
6726 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6729 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6730 Add debug_info parameter. Chain the vars to the BLOCK instead
6731 of the BIND_EXPR if debug info are requested for them.
6732 (pop_gimplify_context): Adjust for above change.
6733 (gimple_add_tmp_var): Likewise.
6734 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6736 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6737 (convert_local_reference): Likewise.
6738 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6739 (finalize_nesting_tree_1): Request that debug info be emitted
6740 for debug_var_chain.
6742 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6744 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6745 for PR target/27863.
6747 2006-06-13 Richard Guenther <rguenther@suse.de>
6750 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6752 2006-06-13 Richard Guenther <rguenther@suse.de>
6754 PR tree-optimization/27830
6755 * tree-inline.c (copy_body_r): For copying the operand
6756 of an ADDR_EXPR make sure to fold &* afterwards.
6758 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6760 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6761 lvalues in the fb_none case with side-effects.
6763 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6765 * tree-flow.h: Remove the prototype for
6766 compute_phi_arg_on_exit.
6767 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6768 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6771 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6773 * builtins.c (expand_builtin_return_addr): Only use
6774 frame_pointer_rtx when count == 0 and we are expanding
6775 __builtin_return_address.
6777 2006-06-12 Fred Fish <fnf@specifix.com>
6779 * config/mips/mips.c (mips_file_start): Create special section
6780 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6782 2006-06-11 Eric Christopher <echristo@apple.com>
6785 * stor-layout.c (place_field): Remove check for
6786 remaining_in_alignment when aligning at the end of a run.
6788 2006-06-11 Eric Christopher <echristo@apple.com>
6791 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6794 2006-06-11 Roger Sayle <roger@eyesopen.com>
6797 Revert incorrect fix for PR target/27158
6798 2006-05-08 Roger Sayle <roger@eyesopen.com>
6799 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6800 of a reg_equiv_constant if the result is a legitimate constant.
6802 2006-06-11 Roger Sayle <roger@eyesopen.com>
6805 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6806 extract a CONST_VECTOR element and interpret it as an integer.
6807 (vspltis_constant): Use const_vector_elt_as_int instead of the
6808 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6809 * config/rs6000/predicates.md (easy_vector_const): Consider
6810 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6812 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6815 * stor-layout.c (update_alignment_for_field): Don't add extra
6816 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6819 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6821 * config/mips/t-rtems: Add EL/EB multilib variants.
6823 2006-06-09 Mike Stump <mrs@apple.com>
6825 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6827 2006-06-09 David Daney <ddaney@avtrex.com>
6829 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6831 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6833 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6835 2006-06-09 Richard Guenther <rguenther@suse.de>
6837 PR tree-optimization/26998
6838 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6839 of signed types, only TYPE_MIN_VALUE is special, but for both,
6840 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6841 in this case, as is -fwrapv.
6843 2006-06-08 Mike Stump <mrs@apple.com>
6846 * config/darwin.c (darwin_asm_output_anchor): Disable
6847 -fsection-anchors on darwin for now.
6848 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6849 * rs6000/rs6000.c (optimization_options): Likewise.
6851 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6854 * config/i386/i386.c (classify_argument): Skip fields with invalid
6857 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6859 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6860 (cse_insn): Likewise for the stack_pointer_rtx.
6862 2006-06-08 Roger Sayle <roger@eyesopen.com>
6864 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6865 conditions from floating point comparisons.
6867 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6870 * expmed.c (struct alg_hash_entry): Fix type of field T
6871 to match synth_mult argument.
6872 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6874 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6877 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6880 2006-06-08 Richard Guenther <rguenther@suse.de>
6883 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6884 only, if overflow is defined and not trapping.
6885 (negate_expr): Likewise.
6887 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6889 PR tree-optimization/27872
6890 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6891 flag on the new exit edge of the unrolled loop.
6893 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6895 PR rtl-optimization/26449
6896 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6898 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6901 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6902 referenced_variables with matching DECL_UID's.
6903 (find_referenced_vars): Make sure duplicate list is empty to start.
6904 (referenced_var_p): Remove.
6905 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6906 Check if var is in the list, and add if needed. Update the duplicate
6907 list if a different var is in the list with the same DECL_UID.
6908 (add_referenced_var): Call routine to check and insert.
6909 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6910 * tree-flow.h (referenced_vars_dup_list): External declaration.
6912 2006-06-07 Fred Fish <fnf@specifix.com>
6914 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6917 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6920 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6921 the imaginary and real parts of a clobbered register.
6922 Emit insn to set the imaginary part.
6924 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6926 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6927 in lieu of unwind-dw2-fde.c.
6929 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6931 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6933 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6936 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6937 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6938 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6939 V4SImode temporaries and operations instead.
6941 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6943 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6946 2006-06-06 Mike Stump <mrs@apple.com>
6948 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6949 installing during build.
6951 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6953 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6955 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6956 * config/ia64/ia64.c (params.h): New header.
6957 (ia64_optimization_options): New function to adjust parameters.
6958 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6959 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6960 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6962 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6964 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6966 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6969 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6971 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6972 Victor Kaplansky <victork@il.ibm.com>
6974 PR tree-optimization/26360
6975 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6978 2006-06-04 Roger Sayle <roger@eyesopen.com>
6979 Andrew Pinski <pinskia@physics.uc.edu>
6982 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6983 for LABEL_DECL before calling DECL_WEAK.
6986 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6987 LABEL_DECL and PARM_DECL.
6989 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6993 * c-decl.c (grokdeclarator): Disallow variably modified types at
6994 file scope. Avoid marking shared array type of constant size as
6997 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7000 * c-common.c (fold_offsetof_1): Handle static members.
7002 2006-06-04 Eric Christopher <echristo@apple.com>
7004 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7005 (debug_rli): Output value for remaining_in_alignment.
7006 (update_alignment_for_field): Unconditionalize
7007 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7008 extra alignment code.
7009 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7010 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7011 * tree.h (record_layout_info_s): Remove prev_packed.
7012 * doc/extend.texi (ms_struct): Add documentation of format.
7014 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7016 * tree.h: Declare folding_initializer.
7017 * builtins.c (fold_builtin_constant_p): Give definite answer
7018 if folding inside an initializer.
7019 * fold-const.c: Define folding_initializer.
7020 (START_FOLD_INIT): Save and then set folding_initializer.
7021 (END_FOLD_INIT): Restore folding_initializer.
7023 2006-06-04 Richard Guenther <rguenther@suse.de>
7025 PR tree-optimization/27039
7026 * fold-const.c (fold_comparison): Handle pointer comparison
7027 again for all comparison codes. Compare offsets in signed
7029 (fold_binary): Move code from here.
7031 2006-06-03 Roger Sayle <roger@eyesopen.com>
7034 * config/i386/i386.c (construct_container): Split static issued_error
7035 flag into issued_sse_arg_error, issued_sse_ret_error and
7036 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7037 requires the use of x87 registers and the user explicitly
7038 specified the -mno-80387 command line option.
7040 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7042 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7043 HAVE_DECL_SIGALTSTACK.
7045 (segv_handler): Use MC_FLD.
7046 * configure.ac: Check for a sigaltstack declaration.
7047 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7048 * configure: Regenerate.
7049 * config.in: Regenerate.
7051 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7054 * Makefile.in (stmp-fixinc): Fix typo.
7056 2006-06-02 Roger Sayle <roger@eyesopen.com>
7058 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7059 are type correct. Clean-up.
7060 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7061 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7063 2006-06-01 DJ Delorie <dj@redhat.com>
7065 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7066 shift, as we've disabled the "switch" insn that needs it.
7068 2006-06-01 Per Bothner <bothner@bothner.com>
7070 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7071 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7072 * c-ppoutput.c (cb_define): Don't increment line 0.
7074 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7076 * doc/invoke.texi: Add cpu_type power6.
7077 * config.gcc: Add cpu_type power6.
7078 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7079 to power5+ with Altivec.
7080 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7081 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7083 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7085 * config/avr/avr.h (SET_ASM_OP): Define.
7087 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7089 * config/bfin/bfin.c: Fix comment typos.
7091 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7094 * doc/install.texi: Document --enable-bootstrap and
7095 --disable-bootstrap.
7097 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7099 * doc/install.texi: Document that InfoZIP can replace jar.
7101 2006-05-31 Roger Sayle <roger@eyesopen.com>
7103 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7104 isn't available, directly generate the simpler x87 patterns without
7105 the (use (const_int 0)).
7106 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7107 implementation isn't available.
7108 (*negdf2_1): Likewise.
7109 (*negxf2_1): XF mode negation is always done using the x87.
7110 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7112 2006-05-31 Roger Sayle <roger@eyesopen.com>
7114 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7115 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7117 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7119 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7121 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7122 * config/bfin/bfin.c (basic-block.h): Include.
7123 (struct machine_function): New.
7124 (bfin_init_machine_status): New.
7125 (override_options): Initialize init_machine_status.
7126 (bfin_hardware_loop): New.
7127 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7128 (DEF_VEC_P (loop_info)): New.
7129 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7130 (struct loop_info): New.
7131 (loop_info): New typedef.
7132 (struct loop_work): New.
7133 (loop_work): New typedef.
7134 (DEF_VEC_O (loop_work)): New.
7135 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7136 (bfin_dump_loops): New.
7137 (bfin_bb_in_loop): New.
7138 (bfin_scan_loop): New.
7139 (bfin_optimize_loop): New.
7140 (bfin_reorg_loops): New.
7141 (bfin_reorg): Use bfin_reorg_loops.
7142 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7144 (I_REGNO_P): Simplify.
7145 (DP_REGNO_P, DPREG_P): New macros.
7146 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7147 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7148 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7149 Add LT_REGS, LC_REGS, LB_REGS.
7150 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7152 (REGNO_REG_CLASS): Deal with loop registers.
7153 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7155 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7156 New constants for loop registers.
7157 (UNSPEC_LSETUP_END): New.
7158 (seq_insns): New define_attr. Set it for appropriate insns.
7159 (movsi_insn): Add alternatives for move from/to
7160 loop count registers.
7161 (doloop_end): New define_expand.
7162 (loop_end): New define_insn.
7163 (define_split for bad doloop_end): New.
7164 (lsetup_with_autoinit): New define_insn.
7165 (lsetup_without_autoinit): New define_insn.
7166 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7167 * config/bfin/predicates.md (lc_register_operand): New.
7168 (lt_register_operand): New.
7169 (lb_register_operand): New.
7170 (nondp_register_operand): New.
7171 (nondp_reg_or_memory_operand): New.
7172 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7174 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7176 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7177 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7179 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7181 * Makefile.in (CATALOGS): Add po/ prefix.
7182 * configure: Regenerated.
7184 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7187 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7188 a shift operand before calling shift_op. Avoid redundant call of
7191 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7192 DJ Delorie <dj@redhat.com>
7194 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7195 we're inserting is a singlt-bit constant.
7197 2006-05-30 Roger Sayle <roger@eyesopen.com>
7199 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7200 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7202 2006-05-30 Roger Sayle <roger@eyesopen.com>
7204 PR tree-optimization/23452
7205 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7206 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7207 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7208 complex values and with -ffast-math for FP complex values.
7210 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7212 * c-common.h: Remove the prototype for yyparse.
7213 * rtl.h: Remove the prototype for init_loop.
7215 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7217 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7220 2006-05-30 Roger Sayle <roger@eyesopen.com>
7222 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7224 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7225 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7227 2006-05-30 Dirk Mueller <dmueller@suse.de>
7230 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7231 for CONSTANT_CLASS_P expresisons.
7233 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7236 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7238 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7240 PR tree-optimization/27779
7241 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7242 initial_condition instead of CHREC_LEFT.
7244 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7246 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7247 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7248 Make prototypes ISO C90.
7250 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7251 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7253 * see.c (see_analyze_one_def): Correct check.
7254 (see_get_extension_data): Check if extension is parallel.
7255 (see_get_extension_reg): Likewise.
7257 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7260 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7261 into register for (code == GTU).
7263 2006-05-29 Roger Sayle <roger@eyesopen.com>
7265 PR tree-optimization/24964
7266 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7267 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7268 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7269 abs(x)*abs(x) as x*x for scalar floating point modes.
7271 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7274 * lambda-code.c (perfect_nestify): Don't copy statements
7275 in the inner loop: move them to the inner loop header.
7277 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7280 * c-tree.texi: Document OpenMP directives and clauses.
7282 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7284 * varasm.c (globalize_decl): Fix indentation.
7286 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7289 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7290 pass_fre, pass_store_ccp, pass_copy_prop,
7291 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7292 pass_return_slot, pass_object_size, pass_lim,
7293 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7294 pass_loop_prefetch and pass_stdarg.
7296 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7298 * config/bfin/bfin.opt (mfdpic): New option.
7299 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7300 (EXTRA_MULTILIB_PARTS): Likewise.
7301 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7302 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7304 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7305 (CRT_CALL_STATIC_FUNCTION): New.
7306 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7308 (CRT_CALL_STATIC_FUNCTION): New.
7309 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7311 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7312 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7313 (initialize_trampoline): Changed to handle FD-PIC code generation.
7314 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7315 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7316 (override_options): Disallow -mid-shared-library -mfdpic combination.
7317 Can't do unaligned ops if FD-PIC.
7318 Turn off flag_pic if trying to generate non-id-shared-library
7319 non-fdpic code, since it's not supported.
7320 (bfin_assemble_integer): New function.
7321 (TARGET_ASM_INTEGER): Define.
7322 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7324 * config/bfin/crtn.s: Restore them.
7325 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7327 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7328 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7329 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7330 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7331 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7333 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7334 FDPIC_REGS and FDPIC_FPTR_REGS.
7335 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7336 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7337 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7338 (load_funcdescsi): New pattern.
7339 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7340 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7341 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7343 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7345 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7348 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7350 * tree-flow.h: Remove the prototype for add_type_alias.
7351 * tree-ssa-alias.c (add_type_alias): Remove.
7353 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7355 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7356 config/fr30/fr30.md, config/i386/i386-interix.h,
7357 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7358 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7359 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7360 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7361 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7362 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7363 Follow spelling conventions.
7364 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7365 Follow spelling conventions.
7367 2006-05-27 Richard Guenther <rguenther@suse.de>
7370 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7371 to produce a constant of value 1 of generic type.
7373 2006-05-27 Dirk Mueller <dmueller@suse.de>
7375 * cgraphunit.c (decide_is_function_needed): Fix wrong
7378 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7380 PR rtl-optimization/27661
7381 * reload.c (find_reloads): When reloading a VOIDmode constant
7382 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7383 use Pmode as mode of the reload register.
7385 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7387 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7388 is enabled at -O and above.
7390 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7393 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7396 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7399 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7400 for anonymous variables explicitly declared by front ends.
7402 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7404 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7405 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7406 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7407 ref-all pointers, run a finalization pass for them.
7408 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7409 (finalize_ref_all_pointers): New function.
7410 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7411 regular pointer type to a ref-all pointer type.
7412 (get_tmt_for): Return the special memory tag for ref-all pointers.
7414 2006-05-25 Richard Guenther <rguenther@suse.de>
7417 * fold-const.c (fold_binary): Do not look at the stripped
7418 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7420 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7422 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7423 for LT and GT if the computed range is effectively empty.
7425 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7428 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7429 mips_quad_format formats instead of ieee_single_format,
7430 ieee_double_format and ieee_quad_format formats, respectively.
7432 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7434 PR tree-optimization/27639
7435 PR tree-optimization/26719
7436 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7437 call to scev_probably_wraps_p.
7438 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7439 used_in_pointer_arithmetic_p, convert_step): Removed.
7440 (nowrap_type_p): New function.
7441 (scev_probably_wraps_p): Rewritten.
7442 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7443 chrec_convert if chrec_convert_aggressive might have been used.
7444 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7445 scev_direction): New functions.
7446 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7447 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7448 instead of convert_step.
7449 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7450 (convert_step): Declaration removed.
7451 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7453 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7455 * df-core.c: Added to header comments.
7456 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7457 df_ur_bb_info, df_urec_bb_info): Added comments.
7458 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7459 urec, ri problems): Fixed header comments.
7460 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7461 code from df_rd_transfer_function.
7463 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7465 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7466 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7467 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7469 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7471 * expr.c (undefined_operand_subword_p): New.
7472 (emit_move_multi_word): Do not generate move from undefined bits
7473 of a paradoxical subreg.
7475 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7477 PR rtl-optimization/27736
7478 * combine.c (replaced_rhs_value): New variable.
7479 (combine_instructions): Set it.
7480 (distribute_notes): When distributing a note in replaced_rhs_insn,
7481 check whether the value was used in replaced_rhs_value.
7483 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7486 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7487 add_referenced_var instead of add_referenced_tmp_var.
7488 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7489 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7491 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7492 tree_optimize_tail_calls_1): Use add_referenced_var.
7493 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7494 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7495 Use add_referenced_var.
7496 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7497 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7498 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7499 Use add_referenced_var.
7500 * tree-dfa.c (struct walk_state): Remove.
7501 (find_referenced_vars): Remove walk state and vars_found hash table.
7502 (make_rename_temp): Use add_referenced_var.
7503 (find_vars_r): Pass less parameters to add_referenced_var.
7504 (referenced_var_p): New. Is var in referenced_var hash table.
7505 (referenced_var_insert): Assert var isn't already in hash table.
7506 (add_referenced_var): Don't need walk_state parameter. Add var if it
7507 isn't already in the hash table.
7508 (add_referenced_tmp_var): Remove.
7509 (find_new_referenced_vars_1): Use add_referenced_var.
7510 * tree-ssa-pre.c (create_expression_by_pieces,
7511 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7512 Use add_referenced_var.
7513 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7514 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7515 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7517 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7518 vect_create_data_ref_ptr, vect_create_destination_var,
7519 vect_init_vector, vect_build_loop_niters,
7520 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7521 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7522 Use add_referenced_var.
7523 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7524 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7525 (add_referenced_var): Add prototype.
7526 * tree-ssa-structalias.c (get_constraint_for,
7527 intra_create_variable_infos): Use add_referenced_var.
7529 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7531 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7532 big-endian paradoxical subregs.
7533 * var-tracking.c (struct micro_operation_def): Document that,
7534 for modify micro operations, insn is the subsequent instruction.
7535 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7536 (var_reg_set, var_mem_set): ... new functions.
7537 (add_stores): Record subsequent insn.
7538 (compute_bb_dataflow): Use new functions for MO_USE.
7539 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7540 notes after the insn, and modify notes before the insn known
7541 to be the subsequent one.
7542 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7544 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7547 * config/i386/i386.c (ix86_expand_builtin): Use
7548 gen_sse3_monitor64 for TARGET_64BIT.
7550 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7552 PR rtl-optimization/26375
7553 PR rtl-optimization/26855
7554 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7556 (df_ru_bb_local_compute): Reversed statements and removed bogus
7557 comment explaining why they should be in wrong order.
7558 (df_ru_dump, df_rd_dump): Enhanced debug info.
7559 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7561 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7562 reaching uses and fixed space problem.
7564 2006-05-23 Jan Hubicka <jh@suse.cz>
7566 * cgraphunit.c (decide_is_function_needed): Also nested functions
7567 and functions declared inline can be optimized out at -O0.
7569 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7571 * doc/install.texi (Configuration): Remove reference to CrossGCC
7575 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7578 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7579 ix86_compare_emitted is non-NULL.
7581 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7584 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7587 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7589 PR rtl-optimization/25514
7590 * combine.c (replaced_rhs_insn): New variable.
7591 (combine_instructions): Set replaced_rhs_insn when trying to replace
7592 a SET_SRC with a REG_EQUAL note.
7593 (distribute_notes): Use replaced_rhs_insn when determining the live
7594 range of a REG_DEAD register.
7596 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7597 Anatoly Sokolov <aesok@post.ru>
7599 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7600 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7601 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7602 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7603 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7604 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7605 at90usb647, at90usb1286 and at90usb1287 devices.
7606 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7607 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7609 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7611 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7613 2006-05-22 Richard Guenther <rguenther@suse.de>
7616 2006-01-31 Richard Guenther <rguenther@suse.de>
7617 Paolo Bonzini <bonzini@gnu.org>
7619 * doc/install.texi (--disable-libgcc-math): Document.
7621 2006-05-22 Richard Guenther <rguenther@suse.de>
7624 2006-01-31 Richard Guenther <rguenther@suse.de>
7626 * doc/invoke.texi (-msselibm): Document.
7627 * target.h (expand_library_builtin): New target hook.
7628 * builtins.c (expand_builtin): Use expand_library_builtin.
7629 (default_expand_library_builtin): New function.
7630 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7631 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7632 (link_gcc_math_spec): Declare.
7633 (static_specs): Add link_gcc_math_spec.
7634 * expr.h (default_expand_library_builtin): Declare.
7635 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7636 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7637 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7638 * config/i386/i386.opt (msselibm): New target option.
7639 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7640 (ix86_init_sse_abi_builtins): New function.
7641 (ix86_expand_library_builtin): Likewise.
7642 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7643 (override_options): Handle error conditions wrt -msselibm.
7644 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7645 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7646 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7649 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7652 * c-common.c (self_promoting_args_p): Skip erroneous args.
7655 * c-decl.c (finish_struct): Skip erroneous fields.
7657 2006-05-22 Nick Clifton <nickc@redhat.com>
7659 * config/cris/cris.opt (march): Remove VarExists attribute.
7660 (max-stackframe=): Likewise.
7662 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7664 * doc/rtl.texi: Fix a typo.
7665 * see.c: Fix comment typos.
7667 * tree-ssa-structalias.h (alias_info): Remove num_references.
7669 2006-05-21 Mike Stump <mrs@apple.com>
7671 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7673 (darwin_pragma_options): Use BAD instead.
7674 (darwin_pragma_unused): Likewise.
7675 (darwin_pragma_ms_struct): Likewise.
7677 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7679 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7681 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7683 PR rtl-optimization/27671
7684 * simplify-rtx.c (simplify_relational_operation_1): Fix
7685 simplifications of (eq/ne (xor x y) y) and
7686 (eq/ne (xor x y) x).
7688 PR tree-optimization/26622.
7689 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7692 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7694 * tree-cfg.c: Prune whitespace.
7695 (debug_tree_cfg): Point to correct header containing the
7698 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7701 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7703 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7706 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7707 or sorry count is non zero.
7709 2006-05-20 Andreas Schwab <schwab@suse.de>
7711 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7713 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7714 Kenneth Zadeck <zadeck@naturalbridge.com>
7716 PR rtl-optimization/26855
7718 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7720 (df_scan_alloc): Added code to properly handle multiword hard
7721 registers and add all_blocks parameter.
7722 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7723 code to properly handle multiword hard registers.
7724 (df_rescan_blocks): Added code to remove deleted blocks from
7726 (df_ref_create_structure, df_ref_record): Added code to properly
7728 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7729 and set DF_REF_PARTIAL.
7730 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7731 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7732 (df_scan_add_problem): Added flags parameter.
7733 (df_ref_create_structure): Changed switching structure.
7734 (df_bb_refs_record): Fixed case where duplicate artificial refs
7735 were created. Changed location of flags.
7736 (df_record_entry_block_defs): Added code to make stack pointer
7737 live in entry block. Refined cases where frame pointer is needed.
7738 Changed location of flags.
7739 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7740 (df_set_state): Removed function.
7741 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7742 df_insn_create_insn_record, df_insn_refs_delete,
7743 df_ref_create_structure): Formatting changes.
7744 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7745 df_delete_basic_block): New function.
7746 (df_init): Changed location of flags.
7747 (df_add_problem): Added flags parameter and the way flags are
7749 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7750 debug_df_chain): Improved debugging output.
7751 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7752 (df_refs_chain_dump): Removed df parameter.
7753 (df_iterative_dataflow): Added consistency check.
7754 (df_prune_to_subcfg): Made public.
7755 (df_analyze_problem): Added blocks_to_init parameter and made
7757 (df_ref_record, df_bb_refs_record, df_mark_reg,
7758 df_record_exit_block_uses): Whitespace changes.
7759 (df_dump): Whitespace changes.
7760 * df.h: Some reordering to remove forward references.
7761 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7762 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7763 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7764 (dataflow.flags): New field.
7765 (df.flag): Deleted field.
7766 (df_alloc_function): Added additional bitmap parameter.
7767 (df_dependent_problem_function): New type.
7768 (df_problem.changeable_flags): New field.
7769 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7770 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7771 (df_mw_hardreg): New struct.
7772 (DF_INSN_UID_MWS): New macro.
7773 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7775 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7776 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7777 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7778 (df_set_state): Removed function.
7779 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7780 * df-problems.c (df_chain_dump): Removed df parameter.
7781 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7782 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7784 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7785 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7786 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7787 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7788 DF_REF_MUST_CLOBBER cases.
7789 (df_ru_bb_local_compute_process_def,
7790 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7791 df_lr_bb_local_compute, df_ur_bb_local_compute,
7792 df_chain_create_bb): Made subreg aware.
7793 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7794 df_lr_bb_local_compute, df_lr_bb_local_compute,
7795 df_chain_create_bb): Cleanup to use proper macros.
7796 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7797 code to fixup bitvectors.
7798 (df_ri_alloc): Cleared lifetime.
7799 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7800 df_create_unused_note): New function.
7801 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7802 REG_DEAD and REG_UNUSED notes as well as register information.
7803 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7804 df_chains_dump): Fixed crash if problem was never run.
7805 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7806 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7807 df_ri_add_problem): Processes flags in uniform manner.
7808 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7809 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7810 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7811 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7812 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7813 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7814 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7815 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7816 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7817 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7818 * see.c (see_initialize_data): Ditto.
7819 * final.c (rest_of_clean_state) Added regstack_completed.
7820 * rtl.h (regstack_completed): Ditto.
7821 * reg-stack.c (regstack_completed): Ditto.
7823 2006-05-19 Mike Stump <mrs@apple.com>
7825 * c-tree.h (default_conversion): Remove.
7826 * c-common.h (default_conversion): Add.
7828 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7830 * tree-vrp.c (valid_value_p): New function.
7831 (adjust_range_with_scev): Fail if the value of bound is not
7834 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7836 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7837 (mips_fallback_frame_state): Use syscall numbers to determine
7838 the appropriate li instruction for the current ABI. Only use
7839 __NR_sigreturn for o32.
7841 2006-05-19 Nicolas Setton <setton@adacore.com>
7843 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7844 * langhooks.c (lhd_dwarf_name): New function.
7845 * langhooks-def.h (lhd_dwarf_name): Declare.
7846 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7847 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7848 * ada/misc.c (gnat_dwarf_name): New function.
7849 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7851 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7853 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7855 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7856 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7857 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7858 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7859 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7860 determine the size of Wtype, etc.
7861 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7862 (swfloatfuncs): New variable.
7863 (dwfloatfuncs): Likewise.
7864 (lib2funcs): Remove floating-point conversion functions from
7865 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7866 the set of conversion routines needed. Allow entries to specify
7867 an object name, filename and word size. Update users accordingly.
7868 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7869 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7873 2006-02-08 Roger Sayle <roger@eyesopen.com>
7876 * config/fixtfdi.c: New libgcc source file.
7877 * config/fixunstfdi.c: New source file.
7878 * config/floatditf.c: New source file.
7879 * config/floatunditf.c: New souce file.
7880 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7881 files above instead of config/mips/_tilib.c.
7882 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7884 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7886 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7887 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7889 2006-05-18 Mike Stump <mrs@apple.com>
7891 Fix up vla, vm and [*] sematics.
7897 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7898 (c_vla_unspec_p): Add.
7899 (c_vla_type_p): Add.
7900 * c-decl.c (struct c_scope): Add had_vla_unspec.
7901 (build_array_declarator): Add support for [*].
7902 (grokdeclarator): Likewise.
7903 (grokparms): Likewise.
7904 (get_parm_info): Likewise.
7905 * c-objc-common.c (c_vla_unspec_p): Likewise.
7906 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7907 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7908 typeof when argument is a variably modified type not inside sizeof or alignof.
7909 (c_parser_direct_declarator_inner): Propagate errors.
7910 (c_parser_sizeof_expression): Add support for [*].
7911 (c_parser_parms_declarator): Initialize had_vla_unspec.
7912 (c_parser_parms_list_declarator): Likewise.
7913 * c-typeck.c (c_vla_type_p): Add.
7914 (composite_type): Add support for vla compositing.
7915 (comptypes_internal): Add support for vla compatibility.
7916 (c_expr_sizeof_expr): Evaluate vla arguments.
7917 * tree.c (variably_modified_type_p): Update comment for [*].
7919 2006-05-18 Michael Matz <matz@suse.de>
7922 * config.host: Make assignments to host_xmake_file cumulative.
7923 * config.host (*-darwin*): Test $host, not $target.
7925 2006-05-12 Stuart Hastings <stuart@apple.com>
7927 * config/i386/i386.opt (-mstackrealign): New flag.
7928 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7929 (ix86_handle_cconv_attribute): Emit error when
7930 force_align_arg_pointer attribute collides with too many regparms.
7931 (ix86_function_regparm): Limit regparms when used with
7932 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7933 Support stack-realigning prologue in non-main functions. Emit
7934 warning for nested functions under -mstackrealign, emit error for
7935 nested functions with force_align_arg_pointer attribute.
7936 * doc/extend.texi (force_align_arg_pointer): Document it.
7937 * doc/invoke.texi (-mstackrealign): Document it.
7939 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7941 PR rtl-optimization/27477
7942 * combine.c (try_combine): Don't split a parallel consisting
7943 of two sets into two individual sets if both sets reference
7946 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7948 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7949 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7951 * doc/options.texi (VarExists): Updated.
7953 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7955 * unwind-dw2.c: Add declarations for uw_update_context and
7957 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7958 detected, advance frame state and context once to skip over stub.
7960 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7964 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7965 Call rewrite_into_loop_closed_ssa only when something changed.
7966 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7967 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7968 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7969 Test for perfect_nest_p here. Fix formating.
7970 (replace_uses_equiv_to_x_with_y): Fix formating.
7971 (stmt_uses_op): Removed.
7972 (can_convert_to_perfect_nest): Removed loopivs parameter.
7973 Complete the test by checking the scalar dependences.
7974 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7977 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7980 From Dan Kegel <dank@kegel.com>:
7981 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7983 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7985 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7986 if the element type is variably modified without recursing.
7988 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7991 * tree-loop-linear.c (try_interchange_loops): Test for
7992 no data dependences.
7994 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7996 PR tree-optimization/27548
7997 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7998 range of ssa names that appear on abnormal edges.
7999 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8000 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8002 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8005 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8007 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8010 * tree.h (OMP_PARALLEL_COMBINED): Define.
8011 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8012 (new_omp_context): Add is_combined_parallel argument.
8013 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8014 new_omp_context caller.
8015 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8016 Adjust gimplify_scan_omp_clauses callers.
8017 (omp_is_private): Issue errors if iteration variable is firstprivate
8018 or reduction in the current context.
8019 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8020 on combined parallel workshare constructs.
8022 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8024 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8025 (gcc-options.o): New rule.
8027 * optc-gen.awk: Protect variables for gcc-options.o with
8028 #ifdef GCC_DRIVER/#endif.
8030 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8032 Fix PR tree-optimization/27373
8033 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8034 (forward_propagate_addr_expr): Update call.
8036 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8038 * doc/options.texi: Move the Negative option.
8040 2006-05-16 Richard Guenther <rguenther@suse.de>
8042 PR tree-optimization/22303
8043 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8045 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8046 ccp_fold did not simplify the statement.
8048 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8051 * Makefile.in (GCC_OBJS): New.
8052 (OBJS-common): Add opts-common.o.
8053 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8054 (cpp$(exeext)): Likewise.
8055 (gcc.o): Also depend on opts.h.
8056 (opts-common.o): New.
8058 * common.opt (gcoff): Add Negative(gdwarf-2).
8059 (gdwarf-2): Add Negative(gstabs).
8060 (gstabs): Add Negative(gstabs+).
8061 (gstabs+): Add Negative(gvms).
8062 (gvms): Add Negative(gxcoff).
8063 (gxcoff): Add Negative(gxcoff+).
8064 (gxcoff+): Add Negative(gcoff).
8065 * config/i386/i386.opt (m32): Add Negative(m64).
8066 (m64): Add Negative(m32).
8068 * doc/options.texi: Document the Negative option.
8070 * gcc.c: Include "opts.h".
8071 (main): Call prune_options after expandargv.
8073 * optc-gen.awk: Generate common declarations for all flag
8074 variables in options.c. Output the neg_index field.
8076 * opts.c (find_opt): Moved to ...
8077 * opts-common.c: Here. New file.
8079 * opts.h (cl_option): Add a neg_index field.
8081 (prune_options): Likewise.
8083 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8086 * omp-low.c (expand_omp_parallel): Don't assert
8087 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8088 instead search for it.
8091 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8094 2006-05-16 Andreas Schwab <schwab@suse.de>
8096 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8099 2006-05-15 Roger Sayle <roger@eyesopen.com>
8102 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8103 integer constants other than zero are only legitimate on TARGET_64BIT.
8104 <CONST_VECTOR> Only zero vectors are legitimate.
8105 (ix86_cannot_force_const_mem): Integral and vector constants can
8106 always be put in the constant pool.
8108 2006-05-16 DJ Delorie <dj@redhat.com>
8110 * crtstuff.c (__dso_handle): Set section from
8111 TARGET_LBIGCC_SDATA_SECTION if defined.
8112 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8113 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8115 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8118 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8121 2006-05-16 Ben Elliston <bje@au.ibm.com>
8123 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8125 2006-05-15 Per Bothner <per@bothner.com>
8127 * tree.c: (last_annotated_node): Use source_locus typedef.
8128 This permits bootstrapping with --enable-mapped-location.
8130 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8132 PR tree-optimization/26830
8133 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8134 (info_for_ssa_name, current_info_for_ssa_name_age,
8135 blocks_to_update): New variables.
8136 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8137 (clear_ssa_name_info, initialize_flags_in_bb,
8138 mark_block_for_update): New functions.
8139 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8140 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8141 prepare_def_site_for): Use mark_block_for_update.
8142 (mark_def_interesting): Assert that the processed block is marked in
8143 blocks_to_update. Do not take blocks argument.
8144 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8146 (rewrite_update_init_block, rewrite_update_stmt): Only process
8147 blocks with statements to rewrite.
8148 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8149 (update_ssa): Initialize and free blocks_to_update. Do not
8150 clear flags on statements. Do not use blocks bitmap.
8151 * tree.h (SSA_NAME_AUX): Removed.
8152 (struct tree_ssa_name): Removed aux field.
8153 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8155 2006-05-15 Richard Guenther <rguenther@suse.de>
8157 PR tree-optimization/27603
8158 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8159 Do computations in original type.
8161 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8163 * see.c: Code style changes such as redundant paranthesis,
8164 redundant intialization of local variables etc.
8165 (see_main): Declared now as static.
8166 * doc/invoke.texi: Update that -fsee is not enabled by
8169 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8171 * omp-low.c (check_omp_nesting_restrictions): New function.
8172 (scan_omp_1): Call it.
8175 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8176 construct, return *VAR.
8178 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8180 PR rtl-optimization/27406
8181 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8184 2006-05-14 Roger Sayle <roger@eyesopen.com>
8186 PR rtl-optimization/27538
8187 * combine.c (expand_compound_operation): Call gen_lowpart
8188 before calling simplify_shift_const.
8190 2006-05-14 Roger Sayle <roger@eyesopen.com>
8192 PR rtl-optimization/22563
8193 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8194 a fixed width bitfield, always force the intermediates into psuedos.
8196 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8199 * mkconfig.sh: Use operator = instead of == for test.
8201 2006-05-13 Nick Clifton <nickc@redhat.com>
8203 * dwarf2out.c (dbx_reg_number): Check return value from
8204 LEAF_REG_REMAP and only use it if it is valid.
8205 (multiple_reg_loc_descriptor): Likewise.
8207 2006-05-13 Richard Guenther <rguenther@suse.de>
8209 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8212 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8214 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8215 information attached to non-INSNs such as NOTEs.
8216 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8218 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8220 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8222 * config/s390/s390.md: Adjust comment describing On constraint.
8224 2006-05-11 Jan Hubicka <jh@suse.cz>
8226 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8227 to be output at -O0.
8229 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8232 * fold-const.c (size_binop): Move sanity check for arguments to
8233 the beginning of the function.
8236 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8239 2006-05-11 Richard Guenther <rguenther@suse.de>
8242 * fold-const.c (fold_unary): Handle intermediate conversion
8243 to a pointer type like intermediate conversion to an integer
8244 type in folding of (T1)(T2)var to var.
8245 Match the code to the comment in the final conversion for
8246 (T1)(T2)var to (T1)var regarding to type precision. Rather
8247 than disallow T1 being of pointer type, assert that both T1
8248 and var are of pointer type or not. Make sure not to fall
8249 over the frontends lazyness wrt array to pointer decay though.
8251 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8253 * arm.c (arm_struct_value_rtx): Delete.
8254 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8255 (arm_init_cumulative_args): Always initialize nregs to zero.
8257 2006-05-10 Richard Guenther <rguenther@suse.de>
8259 PR tree-optimization/27532
8260 * tree-object-size.c (plus_expr_object_size): Fix typo.
8262 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8265 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8266 ashrdi_const, ashrdi3): Use a scratch register.
8268 2006-05-10 Richard Guenther <rguenther@suse.de>
8270 PR tree-optimization/27302
8271 * fold-const.c (operand_equal_p): For two comparisons,
8272 try comparison of one comparison code swapped if that yields
8275 2006-05-10 Ben Elliston <bje@au.ibm.com>
8277 * tree-pretty-print.c (pretty_print_string): No need to handle
8278 '\0' as a special character.
8280 * tree.h: Include "hashtab.h".
8281 (iterative_hash_expr): Use hashval_t in its prototype.
8282 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8284 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8287 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8288 (hppa*64*-*-hpux11*): Ditto.
8289 (hppa[12]*-*-hpux11*): Ditto.
8291 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8294 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8296 2006-05-09 Michael Matz <matz@suse.de>
8298 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8299 host_extra_gcc_objs and host_xmake_file.
8300 (<*-*-linux*>): Don't overwrite host_xmake_file.
8301 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8302 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8303 (host_detect_local_cpu): Declare.
8304 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8305 * config/i386/i386.c (override_options): Handle -mtune=native
8307 * config/i386/x-i386: New file.
8308 * config/i386/driver-i386.c: New file.
8309 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8312 2006-05-09 Dirk Mueller <dmueller@suse.de>
8313 Richard Guenther <rguenther@suse.de>
8316 * fold-const.c (fold_read_from_constant_string): Relax check
8317 for matching types to matching modes.
8319 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8321 PR rtl-optimization/27335
8322 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8325 2006-05-08 Chao-ying Fu <fu@mips.com>
8326 Richard Sandiford <richard@codesourcery.com>
8328 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8329 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8330 * config/mips/mips.md (UNSPEC_SCC): New constant.
8331 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8332 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8333 (mips_emit_compare): Use it.
8334 (mips_expand_vcondv2sf): New function.
8336 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8338 Fix PR tree-optimization/27093
8339 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8340 renaming when they become not-used_alone.
8342 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8344 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8345 relocation and relocation stubs.
8347 2006-05-08 Eric Christopher <echristo@apple.com>
8349 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8352 2006-05-08 Jan Hubicka <jh@suse.cz>
8355 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8356 unused static functions are needed.
8358 2006-05-08 Roger Sayle <roger@eyesopen.com>
8361 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8362 of a reg_equiv_constant if the result is a legitimate constant.
8364 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8367 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8368 standard 80387 constants, raise the cost to prevent
8369 compress_float_constant() to generate load from memory.
8371 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8373 * config/arm/constraints.md (c): Fix a typo.
8375 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8378 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8381 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8383 (_mm_mwait): Likewise.
8385 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8387 (sse3_monitor): Make it 32bit only.
8388 (sse3_monitor64): New. 64bit monitor.
8390 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8393 * config/i386/i386.c (classify_argument): Skip fields with invalid
8396 2006-05-07 Richard Guenther <rguenther@suse.de>
8398 PR tree-optimization/27409
8399 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8400 Do not try to find zero-sized subvars.
8402 2006-05-07 Richard Guenther <rguenther@suse.de>
8404 PR tree-optimization/27136
8405 * tree-ssa-loop-niter.c (get_val_for): Correct function
8406 comment, assert requirements.
8407 (loop_niter_by_eval): Stop processing if the iterated
8408 value did not simplify.
8410 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8412 * opts.c (flag_see): remove its setting at -O3.
8414 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8416 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8417 * arm/constraints.md: New file.
8418 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8419 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8420 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8421 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8422 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8423 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8424 * arm.md: Include constraints.md.
8425 (thumb_movsi_insn): Use satisfies_constraint_J.
8426 (movhi, movqi): Use satisfies_constraint_I.
8428 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8430 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8431 for atmeg a645 device.
8433 2006-05-06 Richard Guenther <rguenther@suse.de>
8435 PR tree-optimization/27151
8436 * tree-vect-transform.c (vectorizable_condition): Punt on
8437 values that have a different type than the condition.
8439 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8442 * c-parser.c (c_parser_cast_expression): Only insert casts into
8443 hash table if pointer.
8444 * function.c (used_types_insert_helper): Rename from
8446 (used_types_insert): Call used_types_insert_helper.
8447 * function.h (used_types_insert): Accept only one argument.
8449 2006-05-05 David Edelsohn <edesohn@gnu.org>
8451 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8452 scratch with output modifier.
8454 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8457 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8458 with output modifier.
8460 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8463 * config/mips/mips.c (mips_symbolic_address_p): Return true
8464 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8465 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8467 2006-05-04 Richard Guenther <rguenther@suse.de>
8469 PR tree-optimization/14287
8470 PR tree-optimization/14844
8471 PR tree-optimization/19792
8472 PR tree-optimization/21608
8473 PR tree-optimization/27090
8474 * tree-ssa-pre.c (try_combine_conversion): New function.
8475 (compute_avail): After constructing the value-handle
8476 expression, use try_combine_conversion to combine NOP_EXPRs
8477 with previous value-handle expressions and use the result if it
8480 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8482 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8484 2006-05-04 Jan Hubicka <jh@suse.cz>
8487 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8489 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8491 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8492 that this only matches CONST_INTs. All users changed to VOIDmode
8495 * config/bfin/bfin.c: Include "optabs.h".
8496 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8498 (enum bfin_builtins): Add a number of fractional and vector builtins.
8499 (bfin_init_builtins): Likewise.
8500 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8501 (safe_vector_operand, bfin_expand_binop_builtin,
8502 bfin_expand_unop_builtin): New functions.
8503 (bfin_expand_builtin): Handle the new builtins.
8504 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8507 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8510 * Makefile.in (OBJS-common): Add see.o.
8511 (see.o): Add dependencies.
8512 * common.opt (fsee): New flag for the see optimization was added.
8513 * opts.c (flag_see): Initialized.
8514 * passes.c (init_optimization_passes, pass_see): New pass.
8515 * rtl.h (see_main): Declaration as extern.
8516 * timevar.def (TV_SEE): New.
8517 * tree-pass.h (pass_see): Declaration as extern.
8518 * invoke.texi (-fsee): Document.
8519 * recog.c (validate_simplify_insn): New function.
8520 * recog.h (validate_simplify_insn): Declaration as extern.
8521 * df-problems.c (df_chain_dump): Check for NULL.
8523 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8524 Daniel Berlin <dberlin@dberlin.org>
8526 * cfgrtl.c (insert_insn_bb_end_new): New function.
8527 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8529 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8531 * df.h (struct web_entry): Moved from web.c.
8532 (union_defs): Declaration as extern.
8533 (unionfind_root): Likewise.
8534 (unionfind_union): Likewise.
8535 * web.c (struct web_entry): Moved to df.h.
8536 (unionfind_root): Remove static declaration.
8537 (unionfind_union): Likewise.
8538 (union_defs): Likewise and generalize to use callback function.
8539 (web_main): Update arguments for union_defs function call.
8541 2006-05-04 Richard Guenther <rguenther@suse.de>
8543 PR tree-optimization/26447
8544 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8545 produce SSA_NAME copies before the store stmt to avoid
8546 breaking exception handling.
8548 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8551 * gimplify.c (omp_is_private): If var is shared in some outer context,
8552 return false instead of true. Stop searching on parallel context
8555 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8558 * coverage.c: Use get_gcov_unsigned_t() instead of
8559 unsigned_type_node all over.
8561 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8563 PR tree-optimization/27381
8564 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8565 maintain the same immediate_use links.
8566 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8567 node rather than segfaulting.
8569 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8572 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8573 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8574 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8576 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8578 Fix PR tree-optimization/26626
8579 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8581 * tree-ssa-operands.c (access_can_touch_variable): Allow
8582 typecasting through union pointers.
8584 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8587 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8588 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8589 to find if var will be a global variable even in the nested context.
8590 (omp_copy_decl): Only check for global variable at the end, it might
8591 be overridden in outer contexts.
8592 (scan_sharing_clauses): For global variables don't create a field.
8593 (lower_rec_input_clauses): Do nothing for global shared variables.
8594 Emit a barrier at the end of ILIST if there were any decls in both
8595 firstprivate and lastprivate clauses.
8596 (lower_send_clauses): Do nothing for global variables except for
8599 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8601 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8602 of the correct signedness is returned.
8604 2006-05-02 Jeff Law <law@redhat.com>
8606 PR tree-optimization/27364
8607 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8608 multiply expressions.
8610 2006-05-02 Tom Tromey <tromey@redhat.com>
8612 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8614 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8617 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8618 -mthumb -fPIC are used.
8620 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8621 Joshua Kinard <kumba@gentoo.org>
8624 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8625 with 64-bit pointers.
8627 2006-05-02 Paul Brook <paul@codesourcery.com>
8629 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8631 (create_fix_barrier): Check that a suitable barrier location is
8633 (arm_reorg): Include ftmp->address in allowable range of addresses.
8635 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8638 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8641 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8644 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8645 around RESULT_DECL for result passed by reference.
8646 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8647 * omp-low.c (use_pointer_for_field): Don't look at
8648 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8649 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8650 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8651 time or var for passing by reference for
8652 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8653 TREE_ADDRESSABLE variables when passing by reference.
8655 * omp-low.c (dump_omp_region): Fix output formatting.
8658 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8659 (expand_omp_parallel): Likewise.
8660 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8663 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8664 on statement list containing also constructors and destructors.
8665 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8668 * except.c (duplicate_eh_regions): Fix clearing of
8669 cfun->eh->region_array entries.
8671 2006-05-01 DJ Delorie <dj@redhat.com>
8673 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8675 (gcc_cv_objdump): Likewise.
8676 * configure: Regenerated.
8678 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8681 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8682 templates for case 3 and 4.
8684 2006-05-01 DJ Delorie <dj@redhat.com>
8686 * vec.c: Include bconfig.h when appropriate.
8687 * Makefile.in (build/vec.o): Adjust dependencies.
8688 * mkconfig.sh: Make sure config.h isn't used for build machine
8691 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8693 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8695 (mark_phi_for_rewrite): New function.
8696 (insert_phi_nodes_for, mark_use_interesting): Call
8697 mark_phi_for_rewrite.
8698 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8699 (update_ssa): Initialize and free phis_to_rewrite.
8701 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8703 PR rtl-optimization/27291
8704 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8705 folded to a constant.
8707 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8709 PR tree-optimization/27283
8710 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8711 not whole # of iteration descriptions.
8712 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8713 uses abnormal ssa name.
8714 (niter_for_single_dom_exit): Ditto.
8715 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8716 return just the number of iterations.
8718 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8720 PR tree-optimization/27144
8721 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8722 (record_estimate): Only record constant upper bound.
8723 (infer_loop_bounds_from_undefined): Call
8724 compute_estimated_nb_iterations just once.
8725 (proved_non_wrapping_p): Renamed to ...
8726 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8727 (convert_step_widening, scev_probably_wraps_p): Call
8728 n_of_executions_at_most instead of proved_non_wrapping_p.
8729 (substitute_in_loop_info): Do not replace values in bounds.
8730 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8733 2006-05-01 Richard Henderson <rth@redhat.com>
8736 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8737 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8740 2006-05-01 Roger Sayle <roger@eyesopen.com>
8742 * c-typeck.c (parser_build_binary_op): Don't call the function
8743 unsigned_conversion_warning to spot operand/result type overflow.
8744 (build_binary_op): Instead, call convert_and_check instead of
8745 convert to report the problem when the operands are promoted.
8746 * c-common.c (unsigned_conversion_warning): Make static.
8747 * c-common.h (unsigned_conversion_warning): Delete prototype.
8749 2006-05-01 Richard Guenther <rguenther@suse.de>
8751 PR tree-optimization/26726
8752 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8754 (find_interesting_uses_address): ... we work around here
8755 by folding INDIRECT_REFs in the substituted base.
8757 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8759 * omp-low.c (dump_omp_region): Add newlines.
8761 2006-04-30 Roger Sayle <roger@eyesopen.com>
8763 * common.opt (Woverflow): New command line option.
8764 * c-common.c (constant_expression_warning): Check warn_overflow.
8765 (overflow_waring): Pass OPT_Woverflow to warning.
8766 (unsigned_conversion_warning): Likewise.
8767 (convert_and_check): Likewise.
8768 * doc/invoke.texi: Document new command line option.
8770 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8772 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8773 TARGET_NO_FP_IN_TOC for section anchors.
8774 (optimization_options): Enable section anchors for all
8775 non-"Objective" languages.
8777 2006-04-28 Eric Christopher <echristo@apple.com>
8779 * config/darwin-c.c (darwin_ms_struct): Move this
8780 (darwin_set_default_type_attributes): and this...
8781 * config/darwin.c: ... here.
8782 * config/darwin.h (darwin_ms_struct): Declare.
8784 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8786 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8788 2006-04-28 Roger Sayle <roger@eyesopen.com>
8791 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8792 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8793 an unsigned HOST_WIDE_INT.
8794 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8796 (really_start_incremental_init): No need to call convert because
8797 bitsize_zero_node is already of type bitsizetype.
8798 (push_init_level): Extract the value of constructor_index as an
8799 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8800 (process_init_element): Likewise.
8802 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8804 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8805 value before passing to make_relative_prefix.
8807 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8810 * builtins.c (expand_builtin_memset): Expand val in original mode.
8812 2006-04-27 Eric Christopher <echristo@apple.com>
8814 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8815 with #ifndef/#endif.
8816 * config/darwin-c.c (darwin_ms_struct): New.
8817 (darwin_pragma_ms_struct): Ditto.
8818 (darwin_set_default_type_attributes): Ditto.
8819 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8820 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8821 Register ms_struct pragma.
8822 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8823 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8824 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8825 darwin_set_default_type_attributes if TARGET_MACHO.
8827 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8829 PR tree-optimization/26854
8830 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8831 * doc/tree-ssa.texi: Update immuse iterator documentation.
8832 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8833 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8834 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8835 first_safe_imm_use, next_safe_imm_use): Remove.
8836 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8837 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8838 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8839 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8840 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8841 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8842 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8843 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8844 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8845 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8846 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8847 (perfect_nestify): Use new iterator.
8848 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8850 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8851 (next_imm_name): New field in struct immediate_use_iterator_d.
8852 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8853 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8854 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8855 * tree-cfg.c (replace_uses_by): Use new iterator.
8856 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8857 * tree-ssa-operands.c (correct_use_link): Remove.
8858 (finalize_ssa_use_ops): No longer call correct_use_link.
8860 2006-04-27 Stuart Hastings <stuart@apple.com>
8862 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8863 * config/t-darwin (crt3.o): Use it.
8864 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8865 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8866 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8867 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8868 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8871 2006-04-27 Roger Sayle <roger@eyesopen.com>
8873 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8874 size, force the intermediate into a new pseudo rather instead of
8875 performing both a bitwise AND and a bitwise IOR in memory.
8877 2006-04-27 Richard Guenther <rguenther@suse.de>
8879 PR rtl-optimization/26685
8880 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8881 this one "max-flow-memory-locations".
8883 2006-04-27 Richard Guenther <rguenther@suse.de>
8885 PR tree-optimization/25148
8886 * tree-vrp.c (compare_values): Remove code dealing with
8887 comparisons against type min/max value. Honour overflow
8888 and negative constants in code dealing with comparisons
8889 of plus and minus expressions.
8890 (value_inside_range): Use fold_binary with LE_EXPR and
8891 GE_EXPR rather than compare_values.
8893 2006-04-27 Dirk Mueller <dmueller@suse.de>
8895 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8898 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8900 * basic-block.h (safe_insert_insn_on_edge): Removed.
8901 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8903 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8904 Paolo Bonzini <bonzini@gnu.org>
8907 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8908 (simplify_and_const_int): Same.
8910 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8912 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8914 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8917 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8918 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8919 cgraph_global_info_ready.
8922 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8925 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8926 either decl or init is error_mark_node.
8929 * tree-flow.h (struct omp_region): Add sched_kind.
8930 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8931 instead of extracting omp for data.
8932 (expand_omp_for): Save extracted sched_kind.
8934 2006-04-25 Roger Sayle <roger@eyesopen.com>
8936 * expmed.c (store_bit_field): Also check whether the bitsize is
8937 valid for the machine's "insv" instruction before moving the
8938 target into a pseudo for use with the insv.
8939 * config/i386/predicates.md (const8_operand): New predicate.
8940 * config/i386/i386.md (extv, extzv, insv): Use the new
8941 const8_operand predicate where appropriate.
8943 2006-04-25 DJ Delorie <dj@redhat.com>
8945 * doc/install.texi (Specific): Clarify that this is not a list of
8946 supported hosts or targets.
8948 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8950 PR rtl-optimization/26725
8951 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8952 block's BB_DIRTY flag.
8954 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8956 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8959 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8960 to print an integer.
8962 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8964 * varasm.c (align_variable): New function.
8965 (get_block_for_decl): Apply align_variable to DECL before
8966 calculating section information.
8967 (assemble_variable): Split out alignment computation.
8969 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8971 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8974 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8976 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8977 MODE_PARTIAL_INT mode.
8978 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8979 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8981 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8982 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8984 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8986 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8988 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8989 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8990 MACFLAG_IH): Likewise.
8991 (movstricthi_1): Renamed from "*movstricthi".
8992 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8993 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8994 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8995 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8996 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8997 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8998 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8999 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9000 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9001 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9002 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9003 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9004 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9005 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9006 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9008 * doc/rtl.texi (ss_ashift): Improve wording.
9010 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9012 * dwarf2out.c (verify_marks_clear): New.
9013 (prune_unused_types): Call verify_marks_clear initially, not
9016 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9018 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9019 * doc/rtl.texi: Document them.
9020 * simplify-rtx.c (simplify_unary_operation,
9021 simplify_binary_operation_1): Don't abort when we see them.
9023 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9026 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9027 * configure.ac: Completely disregard languages that are not
9029 * configure: Regenerated.
9031 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9032 Richard Guenther <rguenther@suse.de>
9034 PR tree-optimization/27236
9035 * tree-inline.c (copy_body_r): Make sure to copy
9036 TREE_THIS_VOLATILE flag.
9038 2006-04-24 Richard Guenther <rguenther@suse.de>
9041 * tree-complex.c (update_parameter_components): Don't handle
9042 unused parameters which have no default def.
9044 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9045 Richard Guenther <rguenther@suse.de>
9047 PR tree-optimization/27218
9048 * tree-inline.c (expand_call_inline): Strip useless type
9049 conversions for the return slot address.
9051 2006-04-24 Richard Guenther <rguenther@suse.de>
9053 * cfgloop.h (struct loops): Remove unused field array. Reorder
9055 (LOOP_PREFETCH): Remove.
9057 2006-04-24 Richard Guenther <rguenther@suse.de>
9059 PR tree-optimization/22525
9060 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9061 variable, adjust types of generated expressions.
9063 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9065 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9066 (tree-vect-patterns.o): Likewise.
9068 (cselib.o): Likewise.
9069 (loop-doloop.o): Likewise.
9070 (regclass.o): Likewise.
9071 (reload1.o): Likewise.
9072 (explow.o): Replace target.h with $(TARGET_H).
9073 (ipa-prop.o): Likewise.
9074 (ipa-cp.o): Likewise.
9075 (ipa-inline.o): Likewise.
9076 (reorg.o): Likewise.
9077 (reg-stack.o): Likewise.
9079 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9081 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9083 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9085 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9087 * configure.ac: Completely disregard languages that are not
9089 * configure: Regenerated.
9092 * c-common.h (c_build_bitfield_integer_type): Declare.
9093 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9094 * c-common.c (c_build_bitfield_integer_type): ... here.
9096 2006-04-23 Roger Sayle <roger@eyesopen.com>
9099 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9100 a SImode SUBREG of a floating point register after no_new_pseudos.
9102 2006-04-23 Roger Sayle <roger@eyesopen.com>
9104 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9105 identify potentially eliminable registers to additionally catch
9106 VIRTUAL_INCOMING_ARGS_REGNUM.
9107 (addsi3): Update the conditions on when to use addsi_small_int.
9109 2006-04-23 Roger Sayle <roger@eyesopen.com>
9112 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9113 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9114 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9116 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9118 * fold-const.c (range_predecessor): Use operand_equal_p
9119 as the predicate for equality.
9120 (range_successor): Likewise.
9122 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9125 * config/soft-fp/op-common.h: Fix a typo.
9127 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9130 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9131 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9133 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9135 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9137 * doc/tm.texi: Fix a typo.
9139 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9141 * dwarf2out.c (struct die_struct): Document that die_sib makes
9142 a circular linked list.
9143 (FOR_EACH_CHILD): New.
9144 (reverse_die_lists): Delete.
9145 (reverse_all_dies): Delete.
9146 (add_dwarf_attr): Correct documentation.
9147 (remove_child_with_prev): New.
9148 (remove_child_TAG): Update for change to die_struct, use
9149 remove_child_with_prev.
9150 (add_child_die): Update for change to die_struct.
9151 (splice_child_die): Use remove_child_with_prev and add_child_die.
9152 (print_die): Use FOR_EACH_CHILD.
9153 (die_checksum): Likewise.
9154 (assign_symbol_names): Likewise.
9155 (output_location_lists): Likewise.
9156 (build_abbrev_table): Likewise.
9157 (calc_die_sizes): Likewise.
9158 (mark_dies): Likewise.
9159 (unmark_dies): Likewise.
9160 (unmark_all_dies): Likewise.
9161 (output_die): Likewise.
9162 (prune_unused_types_mark): Likewise.
9163 (prune_unused_types_walk): Likewise.
9164 (same_die_p): Update for change to die_struct.
9165 (break_out_includes): Likewise.
9166 (prune_unused_types_prune): Likewise.
9167 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9168 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9170 (dwarf2out_finish): Don't call reverse_all_dies.
9172 2006-04-21 Eric Christopher <echristo@apple.com>
9174 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9175 in comments and function names.
9177 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9180 * c-typeck.c (digest_init): Robustify.
9182 * c-typeck.c (pop_init_level): Simplify.
9184 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9186 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9188 2006-04-21 Paul Brook <paul@codesourcery.com>
9190 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9191 hardware floating point.
9193 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9195 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9198 2006-04-21 Nick Clifton <nickc@redhat.com>
9200 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9203 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9206 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9207 C++ lang type in traceback table for Objective-C++.
9209 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9211 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9213 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9215 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9218 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9219 were errors. Remove check for erroneous objects.
9221 2006-04-20 Jeff Law <law@redhat.com>
9223 PR tree-optimization/26854
9224 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9225 checking for zero or one use.
9226 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9227 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9228 * tree-ssa-reassoc.c (negate_value): Similarly.
9229 (reassociate_bb): Similarly.
9231 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9233 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9234 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9235 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9237 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9239 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9240 fp regs if the last fp arg doesn't fit in regs.
9242 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9245 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9246 that the last insn has the REG_INC note.
9248 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9249 Nathan Sidwell <nathan@codesourcery.com>
9252 * stor-layout.c (update_alignment_for_field): Do not align
9254 (place_union_field): Place union field at the start of the union.
9255 (place_field): Move ERROR_MARK check later, and use the current
9256 allocation position to maintain monotonicity.
9258 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9260 * dominance.c: Include timevar.h.
9261 (calculate_dominance_info): Use TV_DOMINANCE.
9262 * timevar.def (TV_DOMINANCE): New timevar.
9263 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9265 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9267 PR rtl-optimization/14261
9268 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9269 move would be an INSV insn.
9270 (noce_process_if_block): Don't optimize if the destination is a
9271 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9273 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9275 * config/s390/s390.md: Add comments with the instructions emitted
9276 by an insn pattern if macros are used.
9278 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9280 PR rtl-optimization/26026
9281 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9282 is a known power of two shifted left a variable amount.
9284 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9286 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9287 to hash table twice when the debug_str section has SECTION_MERGE.
9289 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9291 * config/soft-fp: New directory. From glibc.
9292 * config/soft-fp/t-softfp: New.
9293 * config/soft-fp/README: New.
9294 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9295 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9296 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9297 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9298 * config.gcc: Use rs6000/t-fprules-fpbit or
9299 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9301 * config/rs6000/sfp-machine.h: New. Based on glibc.
9302 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9304 * config/rs6000/t-fprules: Remove fp-bit rules.
9305 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9306 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9307 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9308 (softfp_wrap_start, softfp_wrap_end): New.
9310 2006-04-18 DJ Delorie <dj@redhat.com>
9312 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9314 2006-04-18 Devang Patel <dpatel@apple.com>
9316 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9318 2006-04-18 Nick Clifton <nickc@redhat.com>
9320 * config/sh/t-symbian: Add rule to build sh-c.o
9321 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9322 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9323 (sh_symbian_encode_section_info): Likewise.
9325 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9327 * builtins.c (expand_builtin_strcmp): Cover label definition of
9328 do_libcall with HAVE_cmpstrnsi.
9330 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9332 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9334 * function.h (temp_slot_p): New.
9335 (function): Change the type of x_used_temp_slots to
9336 VEC(temp_slot_p,gc) *.
9338 2006-04-18 Nick Clifton <nickc@redhat.com>
9340 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9341 flag_strength_reduce.
9343 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9345 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9349 Partial revert of revision 112637
9350 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9351 Dale Johannesen <dalej@apple.com>
9354 * regclass.c (struct reg_pref): Update documentation.
9355 (regclass): Set prefclass to NO_REGS if memory is the best option.
9356 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9358 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9360 PR tree-optimization/26821
9361 * tree-ssa-math-opts.c (get_constant_one): New.
9362 (insert_reciprocals): Use it.
9364 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9366 * dwarf2out.c (free_AT): Delete.
9367 (remove_AT): Update string ref counts.
9368 (remove_child_TAG): Don't call free_die.
9370 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9371 or DW_TAG_GNU_EINCL.
9372 (prune_unused_types_walk_attribs): Reset string refcounts.
9373 (prune_unused_types_update_strings): New.
9374 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9375 call free_die. Do call prune_unused_types_update_strings.
9376 (prune_unused_types): Empty debug_str_hash.
9378 2006-04-17 Roger Sayle <roger@eyesopen.com>
9380 * expr.c (expand_assignment): Optimize away no-op moves where the
9381 source and destination are equal and have no side-effects.
9383 2006-04-17 Richard Guenther <rguenther@suse.de>
9386 * reload.c (push_reload): Guard calls to get_secondary_mem
9389 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9391 * alias.c (reg_base_value, old_reg_base_value): Change the
9392 type to VEC(rtx,gc) *.
9393 (REG_BASE_VALUE, find_base_value, record_set,
9394 init_alias_analysis): Use VEC instead of VARRAY.
9396 * alias.c (alias_sets): Change the type to
9397 VEC(alias_set_entry,gc) *.
9398 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9399 VEC instead of VARRAY.
9400 (last_alias_set): Remove.
9402 * cgraph.h (cgraph_edge_p): New.
9403 Update the prototype of cgraph_function_versioning.
9404 * cgraphunit.c (cgraph_copy_node_for_versioning,
9405 cgraph_function_versioning): Use VEC instead of VARRAY.
9406 * ipa-cp.c (ipcp_insert_stage): Likewise.
9408 2006-04-16 Roger Sayle <roger@eyesopen.com>
9411 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9412 "A op B" or "A op C", we may need to convert A to the type of B and C.
9414 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9416 * target.h (struct gcc_target): Add mode_rep_extended.
9417 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9418 (init_num_sign_bit_copies_in_rep): Initialize it using
9420 (truncate_to_mode): Use it.
9421 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9422 * targhooks.h (default_mode_rep_extended): Declare it.
9423 * targhooks.c (default_mode_rep_extended): Define it.
9424 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9425 default_mode_rep_extended.
9426 (TARGET_INITIALIZER): Include it.
9427 * doc/tm.texi (Misc): Document it.
9428 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9429 (mips_truncated_to_mode): New function.
9431 2006-04-16 Roger Sayle <roger@eyesopen.com>
9434 * expr.c (compress_float_constant): Copy the narrow constant into
9435 a new pseudo before extending it to its final width.
9437 2006-04-16 Roger Sayle <roger@eyesopen.com>
9438 Andrew Pinski <pinskia@gcc.gnu.org>
9439 Dale Johannesen <dalej@apple.com>
9442 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9443 special case code to implement V8HImode and V16QImode with SSE2.
9445 2006-04-15 Roger Sayle <roger@eyesopen.com>
9447 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9448 trees are constructed with a suitable tree type.
9450 2006-04-15 Roger Sayle <roger@eyesopen.com>
9452 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9453 (integer_onep): Likewise.
9454 (integer_all_onesp): Likewise.
9455 (integer_pow2p): Likewise.
9456 (integer_nonzerop): Likewise.
9457 (real_zerop): Likewise.
9458 (real_onep): Likewise.
9459 (real_twop): Likewise.
9460 (real_minus_onep): Likewise.
9461 (int_size_in_bytes): Likewise.
9462 (host_integerp): Likewise.
9464 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9466 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9467 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9468 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9470 * tree-ssa-structalias.h (alias_info): Remove num_references.
9472 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9474 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9475 (output_bvb patterns): Likewise.
9476 * pa.c (output_bb): Use 'bb' insn for long branch case.
9477 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9478 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9479 1. Correct length operand for alternatives 1 and 2.
9480 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9481 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9483 2006-04-14 Roger Sayle <roger@eyesopen.com>
9485 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9486 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9487 were accidentally reverted by r112959.
9489 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9492 * except.h (eh_region_outermost): New prototype.
9493 * except.c (eh_region_outermost): New function.
9494 * tree-cfg.c (find_outermost_region_in_block): Use it.
9496 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9498 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9500 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9501 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9502 (init_reload, reload): Use VEC instead of VARRAY.
9503 * reload.h: Update the prototype for
9504 reg_equiv_memory_loc_varray.
9506 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9507 Eric Botcazou <ebotcazou@libertysurf.fr>
9509 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9512 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9515 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9516 to expand fallback builtin function call.
9518 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9521 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9522 and emit libcall here in case the builtin fails.
9523 (expand_builtin_strcmp): Always emit the libcall here on failure.
9525 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9527 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9528 * flow.c (reg_n_info): Change the type to
9529 VEC(reg_info_p,heap) *.
9530 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9532 * regs.h (reg_info_p): New.
9533 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9534 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9535 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9538 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9540 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9542 * params.h (MAX_SCHED_READY_INSNS): New macro.
9543 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9544 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9545 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9546 the ready list for 1 cycle during the first scheduling pass.
9547 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9549 2006-04-13 Richard Henderson <rth@redhat.com>
9552 * gimple-low.c (lower_omp_directive): Remove dead code.
9553 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9554 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9555 * omp-low.c (struct omp_region): Move to tree-flow.h.
9556 (root_omp_region): Export.
9557 (omp_regions, lookup_omp_region): Remove.
9558 (determine_parallel_type): Update for struct omp_region changes.
9559 (dump_omp_region): Dump regions with block numbers.
9560 (new_omp_region): Take type and block instead of stmt; malloc
9562 (free_omp_region_1, free_omp_regions): New.
9563 (expand_parallel_call): Take entry_stmt as argument; update for
9564 changes to omp_region.
9565 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9566 (remove_exit_barriers): New.
9567 (expand_omp_parallel): Update for struct omp_region changes.
9568 (expand_omp_synch): Likewise.
9569 (expand_omp): Likewise.
9570 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9571 (expand_omp_for_static_chunk): Likewise.
9572 (expand_omp_for): Likewise.
9573 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9574 (expand_omp_sections): Similarly, with GOMP_sections_end.
9575 (expand_omp_single): New.
9576 (build_omp_regions_1): Update for OMP_CONTINUE.
9577 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9578 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9579 OMP_SECTIONS_SECTIONS.
9580 (lower_omp_single_simple): Don't emit barrier here.
9581 (lower_omp_single_copy): Likewise.
9582 (lower_omp_single): Fix bindings, and lower to straightline now.
9583 (lower_omp_master, lower_omp_ordered): Likewise.
9584 (lower_omp_critical): Likewise.
9585 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9586 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9587 omp edges, free it afterward.
9588 (make_omp_sections_edges): Remove.
9589 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9590 (move_stmt_r): Handle OMP_CONTINUE.
9591 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9592 statement pointers to basic blocks. Add type member.
9593 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9594 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9595 * tree-inline.c (estimate_num_insns_1): Likewise.
9596 * tree-pretty-print.c (dump_generic_node): Likewise.
9597 * tree-ssa-operands.c (get_expr_operands): Likewise.
9598 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9599 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9600 (OMP_CONTINUE): New.
9601 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9602 (OMP_SECTIONS_SECTIONS): Remove.
9603 (OMP_SECTION_LAST): New.
9604 (OMP_RETURN_NOWAIT): New.
9606 2006-04-13 Roger Sayle <roger@eyesopen.com>
9608 * fold-const.c (native_encode_vector, native_interpret_real):
9609 Correct obvious mistakes in the previous check-in.
9611 2006-04-13 Roger Sayle <roger@eyesopen.com>
9613 * fold-const.c (native_encode_expr): New function to encode
9614 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9615 or VECTOR_CST into a specified buffer.
9616 (native_encode_int): New function.
9617 (native_encode_real): New function.
9618 (native_encode_complex): New function.
9619 (native_encode_vector): New function.
9620 (native_interpret_expr): Inverse of native_encode_expr to convert
9621 a target representation into an INTEGER_CST, REAL_CST etc...
9622 (native_interpret_int): New function.
9623 (native_interpret_real): New function.
9624 (native_interpret_complex): New function.
9625 (native_interpret_vector): New function.
9626 (fold_view_convert_expr): New function to constant fold/evaluate
9627 a VIEW_CONVERT_EXPR of a suitable constant expression.
9628 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9629 Change call of build1 to fold_build1 when constructing a
9632 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9633 Ulrich Weigand <uweigand@de.ibm.com>
9636 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9639 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9642 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9643 optimize to lo_sum for DFmode if !TARGET_FPRS.
9645 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9647 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9648 delete_alias_info, compute_flow_sensitive_aliasing,
9649 group_aliases): Use VEC instead of VARRAY.
9650 * tree-ssa-structalias.c (update_alias_info): Likewise.
9651 * tree-ssa-structalias.h (alias_info): Change the type of
9652 processed_ptrs to VEC(tree,heap) *.
9654 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9657 * config/sh/lib1funcs.h: New file, broken out of:
9658 * config/sh/lib1funcs.asm.
9659 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9661 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9662 * config/sh/lib1funcs-Os-4-200.asm: New file.
9663 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9664 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9665 (EXTRA_MULTILIB_PARTS): Include it.
9666 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9667 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9668 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9669 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9672 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9674 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9675 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9676 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9678 * tree-ssa-live.h: Include vecprim.h.
9679 (tree_partition_associator_d): Change the type of
9680 first_partition to VEC(int,heap) *.
9681 (tpa_first_partition): Use VEC instead of VARRAY.
9683 * Makefile.in (GTFILES): Move functions.h after tree.h.
9684 * function.c (reset_block_changes, record_block_change,
9685 check_block_change, free_block_changes): Use VEC instead of
9687 * function.h (function): Change the type of
9688 ib_boundaries_block to VEC(tree,gc) *.
9689 * tree-inline.c (copy_cfg_body): Initialize
9690 ib_boundaries_block to NULL instead of (varray_type) 0.
9692 2006-04-12 Roger Sayle <roger@eyesopen.com>
9694 * expr.c (emit_group_store): Correct operand order in call to
9695 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9696 a SUBREG_BYTE of zero.
9698 2006-04-12 Richard Guenther <rguenther@suse.de>
9700 * profile.c (compute_branch_probabilities): Remove code
9701 encapsulated in !ir_type (), which are remanents of the
9702 removed RTL profiling code.
9703 * rtl-profile.c: Remove.
9705 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9707 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9708 magic NULL_RTX comment.
9709 (function_arg): Store entire fp arg to mem if any part should go
9711 (rs6000_arg_partial_bytes): Adjust for above change.
9713 2006-04-11 Roger Sayle <roger@eyesopen.com>
9715 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9716 if it hasn't been initialized by dwarf2out_init.
9718 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9720 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9721 symbolic constants in branch patterns.
9723 2006-04-11 Roger Sayle <roger@eyesopen.com>
9725 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9727 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9729 PR rtl-optimization/27073
9730 * gcse.c (try_replace_reg): Revert last change. Continue to search
9731 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9734 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9736 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9737 aggregate types other than record and union types.
9738 (function_arg): Likewise.
9739 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9741 (function_value): In 64-bit mode, return objects that require it
9744 2006-04-11 Roger Sayle <roger@eyesopen.com>
9746 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9748 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9750 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9752 2006-04-03 Jeff Law <law@redhat.com>
9755 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9756 alias information too.
9758 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9760 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9762 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9765 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9766 (premark_used_types_helper): New.
9767 (premark_used_types): New.
9768 (gen_subprogram_die): Call premark_used_types.
9769 (prune_unused_types_walk): Do not prune perennial dies.
9770 * function.c (used_types_insert): New.
9771 * function.h (struct function): Add used_types_hash field.
9772 (used_types_insert): Add prototype.
9773 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9774 * c-parser.c (c_parser_cast_expression): Save casted types in used
9777 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9780 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9781 rs6000_explicit_options.float_gprs.
9783 2006-04-10 Roger Sayle <roger@eyesopen.com>
9785 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9786 from ix86_expand_vector_init_low_nonzero. Take an additional
9787 one_var argument indicating which element is non-zero. Support
9788 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9789 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9790 with one_var instead of ix86_expand_vector_init_low_nonzero.
9792 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9794 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9795 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9796 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9797 build/genextract.o): Depend on vecprim.h.
9798 * cfglayout.c, df-problems.c, function.c, genextract.c,
9799 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9800 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9804 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9806 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9807 Declare VECs of this type.
9808 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9809 (remove_children): Delete.
9810 (add_dwarf_attr): Use VEC routines.
9811 (add_AT_flag): Update for changes to add_dwarf_attr.
9812 (add_AT_int): Likewise.
9813 (add_AT_unsigned): Likewise.
9814 (add_AT_long_long): Likewise.
9815 (add_AT_vec): Likewise.
9816 (add_AT_string): Likewise.
9817 (add_AT_die_ref): Likewise.
9818 (add_AT_fde_ref): Likewise.
9819 (add_AT_loc): Likewise.
9820 (add_AT_loc_list): Likewise.
9821 (add_AT_addr): Likewise.
9822 (add_AT_lbl_id): Likewise.
9823 (add_AT_lineptr): Likewise.
9824 (add_AT_macptr): Likewise.
9825 (add_AT_offset): Likewise.
9826 (add_AT_range_list): Likewise.
9827 (get_AT): Use VEC_iterate.
9828 (remove_AT): Use VEC_ordered_remove.
9829 (free_die): Fold remove_children into here; have it use VEC_iterate.
9830 (print_die): Use VEC_iterate on attrs.
9831 (reverse_die_lists): Don't reverse attr lists.
9832 (die_checksum): Use VEC_iterate on attrs.
9833 (same_die_p): Likewise.
9834 (output_location_lists): Likewise.
9835 (build_abbrev_table): Likewise.
9836 (size_of_die): Likewise.
9837 (unmark_all_dies): Likewise.
9838 (output_abbrev_section): Likewise.
9839 (output_die): Likewise.
9840 (prune_unused_types_walk_attribs): Likewise.
9842 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9844 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9846 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9849 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9851 2006-04-09 Roger Sayle <roger@eyesopen.com>
9853 * expr.c (store_constructor): Don't bother clearing target if
9854 we're about to assign a vector to it using vec_init_optab.
9856 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9858 * tree-ssa-alias.c (lhs_may_store_to): New function.
9859 (recalculate_used_alone): Handle LHS of calls.
9861 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9865 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9866 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9867 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9868 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9869 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9870 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9871 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9872 stubs. Add ".align 8" directives before all ".dword" directives.
9873 (GTHREAD_USE_WEAK): Revise comment.
9874 (TARGET_ATTRIBUTE_WEAK): Define.
9875 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9876 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9877 * stublib.c: New file.
9882 * pa.md (cbranch patterns): Revise arguments used in calls to
9883 output_cbranch, output_bb and output_bvd. Add long branch length
9885 (fbranch patterns): Handle long branches.
9886 (jump): Revise length check. Revise arguments for output_lbranch call.
9887 Add long branch length attributes.
9888 (decrement_and_branch_until_zero): Add long branch length attributes.
9889 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9890 Likewise. Revise arguments for output_parallel_addb and
9891 output_parallel_movb calls.
9892 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9893 output_parallel_movb and output_parallel_addb): Update prototypes.
9894 * pa.c (output_cbranch): Revise arguments. Correct handling of
9895 nullification in long branches.
9896 (output_lbranch): Add new argument to control extraction of delay
9898 (output_bb): Handle long branches.
9899 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9900 output_parallel_addb): Likewise.
9902 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9904 PR rtl-optimization/27073
9905 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9908 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9910 * tree.h (tree_memory_tag): Add old_used_alone.
9911 (SMT_OLD_USED_ALONE): New macro.
9912 * tree-ssa-alias.c (recalculate_used_alone): Stop
9913 marking things for renaming unnecessarily.
9915 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9917 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9918 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9919 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9920 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9921 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9922 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9923 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9924 spelling convensions.
9925 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9926 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9927 typos. Follow spelling conventions.
9929 2006-04-07 DJ Delorie <dj@redhat.com>
9931 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9932 passed on the stack.
9933 (m32c_init_cumulative_args): When a function returns a structure,
9934 always pass the pointer to that return area on the stack.
9935 (m32c_function_arg_advance): Don't increment the parameter number
9936 if we're processing the returned structure pointer.
9937 (pushm_info): Reverse order of registers.
9939 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9941 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9942 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9943 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9944 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9946 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9947 chrec_fold_multiply): Same.
9948 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9949 force_expr_to_var_cost): Same.
9950 * tree-mudflap.c (mf_xform_derefs_1): Same.
9951 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9953 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9955 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9956 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9959 2006-04-07 Jan Hubicka <jh@suse.cz>
9961 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9963 2006-04-07 Richard Guenther <rguenther@suse.de>
9965 PR tree-optimization/26135
9966 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9967 loads for store copy-prop.
9968 (copy_prop_visit_stmt): Likewise.
9970 2006-04-05 Robert Millan <robertmh@gnu.org>
9972 * config/i386/linux.h: Add a comment to mark macros that are
9973 being overriden in config/k*bsd-gnu.h.
9974 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9976 * config/knetbsd-gnu.h: Ditto.
9978 2006-04-06 Jan Hubicka <jh@suse.cz>
9982 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9985 2006-04-06 Mike Stump <mrs@apple.com>
9987 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9988 for HAVE_nonlocal_goto to be consistent.
9989 (expand_builtin_nonlocal_goto): Likewise.
9990 (expand_builtin_strcmp): Use #ifdef instead of #if
9991 for HAVE_cmpstrnsi to be consistent.
9993 2006-04-05 DJ Delorie <dj@redhat.com>
9995 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9998 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10000 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10001 got-relative addressing for anything but SImode.
10003 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10004 even if the calling function doesn't modify them.
10006 2006-04-05 Richard Guenther <rguenther@suse.de>
10008 PR tree-optimization/26919
10009 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10010 to cgraph_estimate_size_after_inlining.
10012 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10014 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10016 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10018 PR tree-optimization/26996
10019 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10020 VECTOR_TYPE variables.
10022 2006-04-05 Richard Guenther <rguenther@suse.de>
10024 PR tree-optimization/26763
10025 * fold-const.c (fold_comparison): Move folding of
10026 PTR + CST CMP PTR + CST ...
10027 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10029 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10031 * doc/install.texi (Prerequisites): Refine some wording on
10032 bootstrapping and ksh.
10033 Move the version numbers of DejaGnu here from the testing section
10034 and fix casing of names.
10035 Fix markup and clarify wording for autogen requirements.
10036 Refer to GCJ instead of just java.
10037 Refer to SVN instead of CVS.
10038 Describe diffutils as useful instead of necessary.
10039 (Downloading the source): Refer to SVN instead of CVS.
10040 Adjust a link to our web site accordingly.
10041 (Configuration): Fix casing of Bison.
10042 (Building): Refer to SVN instead of CVS.
10043 Fix a sentence on the use of Bison and remove duplicate (and
10044 incorrect) version number of Bison requirement.
10045 Remove one redundant list of packages needed for building.
10046 (Specific): Avoid reference to CVS.
10048 2006-04-04 Eric Christopher <echristo@apple.com>
10050 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10051 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10052 (rs6000_handle_struct_attribute): New.
10053 (rs6000_ms_bitfield_layout_p): Ditto.
10055 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10057 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10058 NULL for dso parameter to atexit_common.
10060 2006-04-04 Eric Christopher <echristo@apple.com>
10062 * config/i386/i386.c (machopic_output_stub): Output \t
10063 between instructions and operands.
10065 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10067 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10068 satisfies_constraint_[IL] to explicit tests on value.
10070 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10072 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10073 set_nb_iterations_in_loop): Use build_int_cst instead of
10074 build_int_cst_type.
10075 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10076 build_int_cst instead of convert.
10078 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10080 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10081 new value 2 for incoming.
10082 * function.c (expand_function_start): Call struct_value_rtx
10083 with incoming as 2.
10084 * config/sparc/sparc.md: Comment updated_return.
10085 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10086 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10087 struct return if sparc_std_struct_return and incoming is 2.
10088 (print_operand): Do not adjust return if
10089 sparc_std_struct_return.
10091 2006-04-04 Roger Sayle <roger@eyesopen.com>
10093 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10094 convert in the middle-end.
10095 * expr.c (store_expr, store_constructor, get_inner_reference,
10096 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10098 * tree.c (build_range_type): Likewise.
10100 2006-04-04 Tom Tromey <tromey@redhat.com>
10102 * doc/install.texi (Prerequisites): Mention jar.
10104 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10106 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10109 2006-04-04 Matthias Klose <doko@debian.org>
10111 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10115 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10118 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10120 * doc/extend.texi (Function Attributes): Rewrite visibility
10121 attribute documentation.
10122 * doc/invoke.texi (C++ Dialect Options): Rewrite
10123 -fvisibility-inlines-hidden documentation to describe something
10124 entirely different, although in practise compatible.
10125 (Code Gen Options): Warn about system headers in -fvisibility=
10128 * doc/extend.texi (Other Builtins): Document that
10129 __builtin_nan is a compile-time constant only when its argument
10132 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10134 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10135 trying to remove TRUNCATE check if all bits outside the new mode
10136 are identical to the sign bit.
10138 2006-04-03 Jeff Law <law@redhat.com>
10140 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10141 and operand scanning in some common cases.
10143 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10144 Dale Johannesen <dalej@apple.com>
10147 * regclass.c (struct reg_pref): Update documentation.
10148 (regclass): Set prefclass to NO_REGS if memory is the best option.
10149 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10150 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10151 into account. For non-registers, equate an empty preferred
10152 reload class to a `!' in the constraint; move the if clause to
10153 do so after those that reject the insn.
10154 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10156 (find_dummy_reload): Likewise.
10157 * doc/tm.texi (Register Classes): Document what it means
10158 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10159 * config/i386/i386.c (ix86_preferred_reload_class): Force
10160 using SSE registers (and return NO_REGS for floating-point
10161 constants) if math is done with SSE.
10162 (ix86_preferred_output_reload_class): New.
10163 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10164 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10165 * config/i386/i386.md: Remove # register preferences.
10167 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10170 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10171 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10172 the type of nb_iter.
10173 (instantiate_parameters_1): Convert the operands before calling
10174 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10175 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10177 2006-04-02 Roger Sayle <roger@eyesopen.com>
10179 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10180 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10181 instead of convert.
10182 * dojump.c (do_jump): Likewise.
10183 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10184 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10185 gimplify_boolean_expr): Likewise.
10186 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10187 * varasm.c (array_size_for_constructor): Likewise.
10188 * tree-object-size.c (compute_object_offset): Likewise.
10190 2006-04-02 Roger Sayle <roger@eyesopen.com>
10192 PR middle-end/26977
10193 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10194 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10196 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10198 PR tree-optimization/26939
10199 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10201 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10203 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10204 at_stmt. Convert the type of operands before calling
10205 build_polynomial_chrec.
10206 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10207 add_to_evolution_1.
10208 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10209 (instantiate_parameters_1): Convert the type of operands before calling
10210 build_polynomial_chrec.
10211 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10212 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10213 reset_evolution_in_loop): Insert asserts to check the types of the
10215 (chrec_type): Moved...
10216 (eq_evolutions_p): Use operand_equal_p.
10217 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10218 the types of the operands.
10219 (chrec_type): ...here.
10220 * tree-data-ref.c (create_data_ref): Convert the operands before
10221 calling chrec_replace_initial_condition.
10222 (same_access_functions, analyze_subscript_affine_affine,
10223 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10224 (compute_subscript_distance, analyze_ziv_subscript,
10225 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10226 analyze_miv_subscript): Convert the operands before calling
10227 chrec_fold_minus or chrec_fold_plus.
10229 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10231 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10232 the dependence_relations vector.
10233 (compute_data_dependences_for_loop): Adjust call to
10234 compute_all_dependences.
10236 2006-04-01 Roger Sayle <roger@eyesopen.com>
10237 Richard Henderson <rth@redhat.com>
10239 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10240 gimple_boolify on the condition before calling gimplify_expr.
10242 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10244 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10245 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10246 the frame size. Update to use the new macros.
10247 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10248 * config/xtensa/ieee754-df.S: Likewise.
10250 2006-03-31 Richard Henderson <rth@redhat.com>
10252 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10253 (make_edges): ... here. Control fallthru creation with a local
10254 variable. Do not play with fake edges.
10255 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10256 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10259 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10261 * dwarf2.h (DW64_CIE_ID): Define.
10262 * dwarf2out.c (DWARF_CIE_ID): Define.
10263 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10264 length header. Use DWARF_CIE_ID.
10265 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10266 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10268 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10270 * config/sh/linux-atomic.asm: New file.
10271 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10273 2006-03-31 DJ Delorie <dj@redhat.com>
10275 * config/m32c/cond.md: Set condition flags properly throughout.
10276 * config/m32c/minmax.md: Likewise.
10277 * config/m32c/prologue.md: Likewise.
10278 * config/m32c/bitops.md: Likewise.
10279 * config/m32c/muldiv.md: Likewise.
10280 * config/m32c/mov.md: Likewise.
10281 * config/m32c/addsub.md: Likewise.
10282 * config/m32c/m32c.md: Likewise.
10283 * config/m32c/jump.md: Likewise.
10284 * config/m32c/shift.md: Likewise.
10286 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10287 conditionally output the pattern for this.
10288 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10289 (m32c_compare_redundant): New.
10290 (m32c_output_compare): New.
10291 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10293 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10294 dest, not src. Allow other 4-byte modes.
10296 2006-03-30 Denis Chertykov <denisc@overta.ru>
10298 * doc/md.texi: Refer to avr/constraints.md instead of
10301 2006-03-30 Roger Sayle <roger@eyesopen.com>
10303 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10304 signed vs. unsigned comparison failures on some hosts.
10306 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10309 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10310 change to FLOAT_REGS.
10312 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10313 (rs6000_override_options): Use it.
10314 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10315 only for -mabi=spe/no-spe and -mabi=altivec.
10317 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10319 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10322 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10324 * Makefile.in: Rename docdir to gcc_docdir.
10326 2006-03-30 Roger Sayle <roger@eyesopen.com>
10329 * expr.c (emit_group_store): Optimize group stores into a pseudo
10330 register by using a paradoxical subreg to initialize the destination
10331 if the first or last member of the group specifies a "low part".
10333 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10336 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10337 * target.h (struct gcc_target.speculate_insn): Change type of the
10338 second parameter to 'int'.
10339 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10340 the second operand of the DEPS_LIST.
10341 (copy_DEPS_LIST_list): Update reference to the second operand of the
10343 * rtl.h (alloc_DEPS_LIST): Update signature.
10344 * sched-int.h (ds_t): Change typedef to 'int'.
10345 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10347 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10349 * haifa-sched.c (try_ready): Change condition to restore
10350 non-speculative pattern of the instruction.
10351 (process_insn_depend_be_in_spec): Code to keep probability of the
10352 speculative dependence non-decreasing.
10354 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10356 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10357 (single_move_for_movmem): ... this. Also change all uses.
10358 (bfin_expand_strmov): Renamed to...
10359 (bfin_expand_movmem): ... this. Also change all uses.
10360 * config/bfin/bfin.md (movstrsi): Renamed to...
10361 (movstrsi): ...this.
10363 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10365 PR tree-optimization/26830
10367 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10368 (copy_prop_visit_stmt): Remove write-only variable ann.
10369 (init_copy_prop): Check variable loop depth here. Do not simulate
10370 memory-tag and virtual operand PHIs except for store copy prop.
10372 2006-03-30 Richard Guenther <rguenther@suse.de>
10374 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10375 variants with double arguments.
10377 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10379 * genpreds.c (write_tm_constrs_h): Delete variable p.
10380 * genconditions.c (write_header): Add tm-constrs.h to included
10382 * genpeep.c (main): Add toplev.h to included headers.
10383 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10384 (build/genpeep.o): Add toplev.h dependency.
10385 * config/rs6000/constraints.md: Add "W" constraint.
10387 2006-03-29 Roger Sayle <roger@eyesopen.com>
10389 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10390 sizes by correctly testing whether the size fits a host integer.
10391 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10392 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10393 SImode range for the default sizetype and bitsizetype.
10395 2006-03-29 Roger Sayle <roger@eyesopen.com>
10397 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10398 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10399 quickly if the argument is already of the correct type.
10400 Call fold_build1 instead of build1. Tidy up blank lines.
10402 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10404 * genemit.c (main): Add tm-constrs.h to included headers.
10405 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10406 * genpeep.c (main): Add tm-constrs.h to included headers.
10407 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10408 (write_tm_constrs_h): this and write complete file.
10409 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10410 (write_insn_preds_c): Add tm-constrs.h to included headers.
10411 (gen_constrs): New variable.
10412 (parse_option): Parse "-c".
10413 (main): Invoke write_tm_constrs_h.
10414 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10415 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10416 (object_out_file): Add tm-constrs.h dependency.
10417 (insn-emit.o): Same.
10418 (insn-output.o): Same.
10419 (insn-peep.o): Same.
10420 (insn-preds.o): Same.
10421 (insn-recog.o): Same.
10422 (tm-constsr.h): New target.
10423 (s-constrs-h): New target.
10425 * config/rs6000/constraints.md: New file.
10426 * config/rs6000/rs6000.c: Include tm-constrs.h.
10427 (num_insn_constant_wide): Convert to satisfies_constraint.
10428 (rs6000_rtx_costs): Convert to satisfies_constraint.
10429 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10430 (CONST_OK_FOR_LETTER_P): Delete.
10431 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10432 (EXTRA_CONSTRAINT): Delete.
10433 (EXTRA_MEMORY_CONSTRAINT): Delete.
10434 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10435 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10436 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10437 satisfies_constraint.
10439 * config/i386/i386.c: Include tm-constrs.h.
10441 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10443 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10444 * tree-data-ref.c (find_data_references_in_loop,
10445 compute_data_dependences_for_loop): Use pointers to VEC.
10446 (analyze_all_data_dependences): Adjust calls.
10447 * tree-data-ref.h (find_data_references_in_loop,
10448 compute_data_dependences_for_loop): Adjust declarations.
10449 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10450 compute_data_dependences_for_loop.
10452 2006-03-29 Paul Brook <paul@codesourcery.com>
10454 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10455 (movdf_vfp): Ditto.
10457 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10459 PR tree-optimization/26859
10460 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10462 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10463 for the step after fold_convert.
10465 2006-03-29 Paul Brook <paul@codesourcery.com>
10467 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10468 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10470 2006-03-29 Paul Brook <paul@codesourcery.com>
10472 PR middle-end/23623
10473 * targhooks.c (default_narrow_bitfield): New fuction.
10474 * targhooks.h (default_narrow_bitfield): add prototype.
10475 * target.h (gcc_target): Add narrow_volatile_bitfield.
10476 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10477 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10478 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10479 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10481 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10483 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10485 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10486 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10487 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10488 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10489 (s390_function_arg_float): Allow SDmode and DDmode values to be
10490 passed in floating point registers.
10491 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10492 check with SCALAR_FLOAT_MODE_P.
10493 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10495 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10497 PR tree-optimization/25985
10498 * tree-ssa-loop-niter.c (number_of_iterations_le,
10499 number_of_iterations_ne): Make comments more precise.
10500 (number_of_iterations_cond): Add only_exit argument. Use the
10501 fact that signed variables do not overflow only when only_exit
10503 (loop_only_exit_p): New.
10504 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10505 number_of_iterations_cond.
10507 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10509 PR tree-optimization/26643
10510 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10513 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10515 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10516 (divsi3_i4_int): Likewise.
10518 2006-03-28 Roger Sayle <roger@eyesopen.com>
10520 * expr.c (emit_group_store): Only create a new pseudo reg if the
10521 quantity it needs to hold isn't already a suitable pseudo.
10523 2006-03-28 Jeff Law <law@redhat.com>
10525 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10526 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10528 2006-03-28 Roger Sayle <roger@eyesopen.com>
10530 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10531 the equivalent ~X & Y, and the symmetry related transformations.
10532 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10533 ~X & Y, and symmetry related transforms.
10535 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10537 Revert my 2006-03-27 patches.
10539 2006-03-28 Roger Sayle <roger@eyesopen.com>
10541 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10542 ~(T1)X, when T1 and T2 are integer types of the same precision
10543 and (T2)X isn't an extension.
10545 2006-03-28 Jeff Law <law@redhat.com>
10547 PR tree-optimization/26796
10548 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10549 need EH edge cleanups rather than purging them immediately.
10550 (eliminate_degenerate_phis): Handle queued EH cleanups.
10552 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10554 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10557 2006-03-27 Roger Sayle <roger@eyesopen.com>
10559 PR middle-end/22524
10560 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10561 cast BIT_NOT_EXPR operand to the correct type.
10563 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10565 * tree-loop-linear.c: Don't include varray.h.
10566 (gather_interchange_stats, try_interchange_loops,
10567 linear_transform_loops): Use VEC instead of VARRAY.
10568 * lambda-mat.c: Don't include varray.h.
10569 * tree-chrec.c: Same.
10570 * lambda-trans.c: Same.
10571 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10572 VEC instead of VARRAY.
10573 * tree-vectorizer.h: Idem.
10574 * tree-data-ref.c (dump_data_references,
10575 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10576 initialize_data_dependence_relation, finalize_ddr_dependent,
10577 compute_all_dependences, find_data_references_in_loop,
10578 compute_data_dependences_for_loop, analyze_all_data_dependences,
10579 free_dependence_relation, free_dependence_relations,
10580 free_data_refs): Idem.
10581 * tree-data-ref.h (data_reference_p, subscript_p): New.
10582 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10583 VEC instead of VARRAY.
10584 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10585 (find_data_references_in_loop, compute_data_dependences_for_loop,
10586 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10587 dump_data_dependence_relations, free_dependence_relations,
10588 free_data_refs): Adjust declaration.
10589 (lambda_transform_legal_p): Move declaration here...
10590 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10591 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10592 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10593 vect_analyze_data_refs): Use VEC instead of VARRAY.
10594 * lambda.h (lambda_transform_legal_p): ...from here.
10595 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10596 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10597 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10598 tree-chrec.o): Don't depend on VARRAY_H.
10600 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10602 * rtl.def (Copyright): Update date.
10603 (DEPS_LIST): Change type of the second operand to 'int'.
10604 * target.h (Copyright): Update date.
10605 (struct gcc_target.speculate_insn): Change type of the second parameter
10607 * lists.c (Copyright): Update date.
10608 (alloc_DEPS_LIST): Change signature. Update reference to the second
10609 operand of the DEPS_LIST.
10610 (copy_DEPS_LIST_list): Update reference to the second operand of the
10612 * rtl.h (Copyright): Update date.
10613 (alloc_DEPS_LIST): Update signature.
10614 * sched-int.h (Copyright): Update date.
10615 (ds_t): Change typedef to 'int'.
10616 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10618 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10620 * haifa-sched.c (Copyright): Update date.
10621 (try_ready): Change condition to restore non-speculative pattern
10622 of the instruction.
10623 (process_insn_depend_be_in_spec): Code to keep probability of the
10624 speculative dependence non-decreasing.
10626 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10628 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10629 shut up the compiler.
10631 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10633 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10634 to use lib prefix for target.
10635 ($(T)libic_invalidate_array_4-200.a): Likewise.
10636 ($(T)libic_invalidate_array_4a.a): Likewise.
10638 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10639 J"orn Rennecke <joern.rennecke@st.com>
10641 * superh.opt: New file.
10642 * sh.c (boardtype, osruntime): Remove.
10643 * superh.h (SUBTARGET_OPTIONS): Remove.
10644 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10646 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10647 arguments with ^ and/or [].
10649 * config.gcc (sh-*-*): Add quoting to account for quirk of
10651 Replace == with = in enable_incomplete_targets test.
10653 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10654 with MASK_LITTLE_ENDIAN.
10656 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10657 * config/sh/sh.opt: Added to some comments.
10658 * config/sh/superh.h: Removed some chaff.
10660 * config/sh/sh.opt: Add m4-[1234]00* options.
10661 * config/sh/sh.c (sh_handle_option): Likewise.
10662 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10663 (ic_invalidate_array_4-100.o): New rule.
10664 ($(T)libic_invalidate_array_4-100.a): Likewise.
10665 (ic_invalidate_array_4-200.o): Likewise.
10666 ($(T)libic_invalidate_array_4-200.a): Likewise.
10667 (ic_invalidate_array_4a.o): Likewise.
10668 ($(T)libic_invalidate_array_4a.a): Likewise.
10669 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10670 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10672 * config/sh/crt1.asm: Merged in profiling code.
10673 * config/sh/superh.h (STARTFILE_SPEC): Override.
10674 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10675 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10676 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10678 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10679 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10680 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10682 * sh.opt (mpretend-cmove): New option.
10683 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10684 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10685 (movsicc): Add TARGET_PRETEND_CMOVE code.
10687 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10689 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10690 s390_class_max_nregs): New function prototypes.
10691 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10692 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10693 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10694 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10696 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10698 * dwarf2out.c (add_location_or_const_value_attribute): Call
10699 tree_add_const_value_attribute if nothing else works.
10700 (reference_to_unused): New.
10701 (rtl_for_decl_init): Use reference_to_unused to decide whether
10702 to output an initializer.
10704 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10707 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10708 peephole removing spe frob_di_df_2.
10710 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10712 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10713 (subscript_dependence_tester_1): Declared.
10714 (print_dir_vectors, print_dist_vectors): New.
10715 (debug_data_dependence_relation): New.
10716 (dump_data_dependence_relation): Print more details.
10717 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10718 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10719 (save_dist_v, save_dir_v, add_outer_distances,
10720 build_classic_dist_vector_1): New.
10721 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10722 Don't test for lambda_vector_lexico_pos.
10723 (same_access_functions, add_multivariate_self_dist,
10724 add_other_self_distances, dir_from_dist): New.
10725 (build_classic_dir_vector): Replace implementation almost identical to
10726 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10728 (subscript_dependence_tester_1): New.
10729 (subscript_dependence_tester): Handle the lexicographically negative
10730 distance vectors by recomputing the dependence relation.
10731 (compute_affine_dependence): Remove parameter loop_nest_depth.
10732 (compute_self_dependence): Don't call compute_subscript_distance.
10733 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10734 Add a parameter for the loop_nest.
10735 (find_loop_nest_1, find_loop_nest): New.
10736 (compute_data_dependences_for_loop): Compute the loop nest, and give
10737 up if the nest is not well formed.
10738 * tree-data-ref.h (loop_p): New.
10739 (struct data_dependence_relation): Replace size_vect field with
10740 loop_nest, a vec of loops.
10741 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10742 (DDR_LOOP_NEST): New.
10743 (print_dir_vectors, print_dist_vectors,
10744 debug_data_dependence_relation): Declared.
10745 (index_in_loop_nest): New.
10746 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10747 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10750 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10752 * simplify-rtx.c (simplify_relational_operation): Call
10753 simplify_relational_operation_1 even if mode is VOIDmode.
10755 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10757 PR tree-optimization/26804
10758 * tree.h (DECL_CALL_CLOBBERED): New macro.
10759 (tree_decl_common): Add call_clobbered_flag.
10760 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10761 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10762 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10763 (mark_non_addressable): Ditto.
10764 * tree-ssa.c (verify_call_clobbered): New function.
10765 (verify_alias_info): Use it.
10766 * tree-pass.h (pass_reset_cc_flags): New prototype.
10767 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10768 (reset_cc_flags): New function.
10769 * passes.c (init_optimization_passes): Call reset_cc_flags after
10770 initializing referenced_vars.
10772 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10773 Roger Sayle <roger@eyesopen.com>
10775 PR middle-end/26717
10776 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10777 to 1.0 for non-real operands. Implement A / A optimization for
10780 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10782 * config/i386/i386.c (size_cost): Correct the comment for
10783 cost of storing fp registers.
10784 (i386_cost): Likewise.
10785 (i486_cost): Likewise.
10786 (pentium_cost): Likewise.
10787 (pentiumpro_cost): Likewise.
10788 (k6_cost): Likewise.
10789 (athlon_cost): Likewise.
10790 (k8_cost): Likewise.
10791 (pentium4_cost): Likewise.
10792 (nocona_cost): Likewise.
10793 (generic64_cost): Likewise.
10794 (generic32_cost): Likewise.
10796 2006-03-24 Denis Chertykov <denisc@overta.ru>
10798 * config/avr/avr-protos.h (extra_constraint): Delete.
10799 (extra_constraint_Q): New declaration.
10800 * config/avr/constraints.md: New file.
10801 * config/avr/avr.md: Include it.
10802 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10803 (TMP_REGNO, ZERO_REGNO): Likewise.
10804 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10805 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10806 (extra_constraint): Delete.
10807 (extra_constraint_Q): Test for memory constraint 'Q'.
10808 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10809 (REG_CLASS_FROM_LETTER): Delete.
10810 (CONST_OK_FOR_LETTER_P): Delete.
10811 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10812 (EXTRA_CONSTRAINT): Delete.
10813 (TMP_REGNO): Delete.
10814 (ZERO_REGNO): Delete.
10816 2006-03-24 Jeff Law <law@redhat.com>
10818 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10819 directly. Call mark_new_vars_to_rename slightly earlier.
10821 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10823 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10824 (is_cxx): Likewise.
10825 (gen_compile_unit_die): Use new language types for Objective-C and
10827 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10828 DW_LANG_C_plus_plus.
10831 * config/t-darwin (crt3.o): Work around bug 26840.
10832 * config/darwin-crt3.c: Rewrite.
10833 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10835 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10837 * doc/invoke.texi: Document -femit-class-debug-always
10838 * common.opt: Add -femit-class-debug-always.
10840 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10842 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10843 index and base register.
10844 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10845 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10846 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10847 REGNO_OK_FOR_INDEX_P.
10848 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10850 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10851 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10852 REG_OK_FOR_BASE_P): Definitions removed.
10854 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10856 PR middle-end/26611
10857 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10858 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10859 set yet or weren't marked as local yet.
10861 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10863 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10866 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10868 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10869 (rs6000_legitimate_small_data_p): Delete.
10870 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10871 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10872 and make static. Add forward declaration. Update uses.
10873 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10874 of offsettable_memref_p.
10875 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10876 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10878 2006-03-24 Jeff Law <law@redhat.com>
10880 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10881 around bug in immediate-use iterator.
10883 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10886 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10887 or __LITTLE_ENDIAN__.
10889 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10891 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10892 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10893 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10894 * config/sh/sh.opt (mdiv=): Amend description.
10895 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10896 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10897 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10898 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10899 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10900 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10901 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10902 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10903 TARGET_DIVIDE_CALL_FP.
10905 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10907 * haifa-sched.c (choose_ready): Fix type of the local variable.
10908 Move local variables. Add comment.
10909 (check_reg_live): Change signature. Make callable from debugger.
10910 * sched-int.h (check_reg_live): Update signature.
10911 * sched-ebb.c (check_reg_live): Update parameters.
10912 * sched-rgn.c (check_reg_live): Ditto.
10913 (region_head_or_leaf_p): Check pointer before dereferencing.
10914 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10915 before reload on optimization levels below 1.
10917 2006-03-23 Richard Henderson <rth@redhat.com>
10919 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10923 * config/alpha/predicates.md (local_symbolic_operand): Reject
10926 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10929 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10930 expressions which have overflowed constants.
10932 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10934 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10936 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10938 * cfgloopmanip.c (create_loop_notes): Removed.
10939 * final.c (final_scan_insn): Do not handle loop notes.
10940 * jump.c (squeeze_notes): Ditto.
10941 * cfglayout.c (skip_insns_after_block,
10942 duplicate_insn_chain): Ditto.
10943 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10945 * cfgloop.h (create_loop_notes): Declaration removed.
10947 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10949 * varasm.c (output_constant_pool): Restore fnname and fndecl
10951 (assemble_start_function): Adjust call accordingly.
10952 (assemble_end_function): Likewise.
10954 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10957 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10960 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10962 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10965 * system.h (ICE_EXIT_CODE): New macro.
10966 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10967 (diagnostic_action_after_output): Likewise.
10968 * gcc.c (fatal_ice): New function.
10969 (execute): Use it instead of fatal.
10970 (fancy_abort): Likewise.
10971 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10973 2006-03-22 Jeff Law <law@redhat.com>
10975 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10976 iv_analyze_result returning false.
10978 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10980 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10982 2006-03-22 Richard Henderson <rth@redhat.com>
10984 PR middle-end/26084
10985 * except.c (duplicate_eh_regions_0): New.
10986 (duplicate_eh_region_1): Duplicate the children of the node as
10987 well as the node itself. Link them up properly.
10988 (duplicate_eh_region_2): Merge into ...
10989 (duplicate_eh_regions): ... here. Take copy_region argument, and
10990 copy only a sub-tree if asked. Simplify copying and fixup.
10991 (eh_region_outer_p): New.
10992 * except.h (duplicate_eh_regions): Update decl.
10993 (eh_region_outer_p): Declare.
10994 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10995 (lower_omp_master): Likewise.
10996 (lower_omp_ordered): Likewise.
10997 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10998 (move_stmt_r): Use it to remap labels. Handle recursion vs
10999 remap_decls_p properly.
11000 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11001 (find_outermost_region_in_block): New.
11002 (new_label_mapper): New.
11003 (move_sese_region_to_fn): Copy eh information to the new function
11005 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11007 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11010 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11012 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11013 into shared libraries.
11015 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11017 * doc/md.texi: Refer to i386/constraints.md instead of
11018 i386/predicates.md.
11019 * config/i386/constraints.md: New file, extracted from...
11020 * config/i386/predicates.md: ...here.
11021 * config/i386/i386.md: Include constraints.md.
11023 2006-03-21 Jason Merrill <jason@redhat.com>
11025 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11027 PR middle-end/20297
11028 * expr.c (init_block_move_fn): Force default visibility.
11029 (init_block_clear_fn): Likewise.
11030 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11031 * targhooks.c (default_external_stack_protect_fail): Likewise.
11033 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11035 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11036 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11037 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11038 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11039 (loadgp): Use mips_current_loadgp_style.
11040 (loadgp_noshared): New pattern.
11041 (sibcall_internal): Use MIPS_CALL.
11042 (sibcall_value_internal): Likewise.
11043 (sibcall_value_multiple_internal): Likewise.
11044 (call_internal): Likewise.
11045 (call_value_internal): Likewise.
11046 (call_value_multiple_internal): Likewise.
11047 (call_split): Use MIPS_CALL and add an 'S' constraint.
11048 (call_value_split): Likewise.
11049 (call_value_multiple_split): Likewise.
11050 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11051 (-mshared): New option.
11052 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11053 (mips_current_loadgp_style): Declare.
11054 * config/mips/mips.c (mips_classify_symbol): Avoid using
11055 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11056 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11057 TARGET_ABSOLUTE_ABICALLS.
11058 (override_options): Adjust comments. Improve the warning that is
11059 issued when -mabicalls and -G are used together.
11060 (mips_file_start): Remove comment.
11061 (mips_current_loadgp_style): New function.
11062 (mips_gnu_local_gp): New variable.
11063 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11065 (mips_output_function_prologue): Use mips_current_laodgp_style.
11066 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11067 the cprestore instruction.
11068 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11069 live for TARGET_ABSOLUTE_ABICALLS.
11070 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11071 (ASM_SPEC): Pass down -mshared and -mno-shared.
11072 (MIPS_CALL): New macro.
11073 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11075 * doc/invoke.texi (-mabicalls): Update documentation.
11076 (-mshared): Document.
11078 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11080 * config/ia64/unwind-hpux.c: New file.
11081 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11083 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11086 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11088 2006-03-21 Jeff Law <law@redhat.com>
11090 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11091 type conversions of a VR_VARYING source to a wider type.
11093 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11095 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11096 tm_file on Solaris 10 and later.
11097 (sparc64-*-solaris2*): Likewise.
11098 (sparc-*-solaris2*): Likewise.
11099 * config/sol26.h: Rename to config/sol2-6.h.
11100 * config/sol2-10.h: New file.
11102 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11105 * tree-ssa-pre.c (create_component_ref_by_pieces):
11108 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11111 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11112 return it immediately.
11114 2006-03-21 Michael Matz <matz@suse.de>
11116 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11118 (remove_arc, add_arc): Update num_out_arcs member.
11119 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11121 (cache_presence): New function.
11122 (compare_states_for_equiv): New function.
11123 (state_is_differed): Don't take number of outargs, adjust callers.
11124 Use new invariant for speeding up.
11125 (init_equiv_class): Create initial classes based on sorted
11127 (partition_equiv_class): Don't track out_arcs_num.
11128 (evaluate_equiv_classes): Call cache_presence on all states and
11131 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11133 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11134 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11135 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11136 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11138 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11139 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11140 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11141 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11142 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11144 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11145 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11146 (REGNO_REG_CLASS): ARGP is in PREGS.
11147 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11149 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11150 to deal with those addresses.
11151 * addresses.h: New file.
11152 * caller-save.c: Include "addresses.h".
11153 (init_caller_save): Use new base_reg_class function.
11154 * rtl-factoring.c: Include "addresses.h".
11155 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11156 * recog.c: Include "addresses.h".
11157 (preprocess_constraints): Use new base_reg_class function.
11158 * regrename.c: Include "addresses.h".
11159 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11160 functions. Keep track of a new var INDEX_CODE to compute valid
11162 (replace_oldest_value_addr): Likewise.
11163 (replace_oldest_value_mem): Use base_reg_class.
11164 * reload.c: Include "addresses.h".
11165 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11166 (find_reloads): Use new base_reg_class function.
11167 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11168 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11169 all callers and prototype changed.
11170 * reload1.c: Include "addresses.h".
11171 (maybe_fix_stack_asms): Use base_reg_class.
11172 * regclass.c: Include "addresses.h".
11173 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11174 (init_reg_autoinc): Use new base_reg_class function.
11175 (record_reg_classes): Likewise.
11176 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11177 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11178 Use new args to compute necessary class.
11180 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11181 regrename.o, rtl-factoring.o): Update dependencies.
11182 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11183 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11184 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11185 REG_OK_FOR_INDEX_P): Delete documentation.
11187 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11189 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11190 from V7 to V9 for Solaris 7 and above.
11192 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11194 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11195 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11196 argument pointers may not alias any other storage.
11197 * common.opt: Define option -fargument-noalias-anything.
11198 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11199 alias semantics is specified by flag_argument_noalias > 2.
11201 2006-03-20 Jeff Law <law@redhat.com>
11203 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11204 (pass_phi_only_cprop): Declare.
11205 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11206 with phi_only_cprop
11207 * tree-ssa-dom.c (degenerate_phi_result): New function.
11208 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11209 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11210 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11211 (eliminate_degenerate_phis): Likewise.
11212 (pass_phi_only_cprop): New pass descriptor.
11213 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11214 support code. Callers updated.
11215 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11216 (store_copy_prop): Likewise.
11217 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11219 2006-03-20 Jason Merrill <jason@redhat.com>
11222 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11223 (push_visibility, pop_visibility): Likewise.
11224 * c-pragma.h: Declare them.
11226 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11228 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11230 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11231 parameter and use get_ebb_head_tail.
11232 (sh_md_init_global): Adjust uses of find_regmode_weight.
11234 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11236 * function.h (struct function) <x_tail_recursion_reentry>:
11237 Rename to x_stack_check_probe_note.
11238 (tail_recursion_reentry): Rename to stack_check_probe_note.
11239 * function.c: Replace tail_recursion_reentry with
11240 stack_check_probe_note everywhere.
11241 (expand_function_start): Only emit a note for
11242 stack_check_probe_note with -fstack-protect.
11243 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11245 * emit-rtl.c (remove_unnecessary_notes): Remove.
11246 (pass_remove_unnecessary_notes): Remove.
11247 * rtl.h (remove_unnecessary_notes): Remove prototype.
11248 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11249 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11250 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11252 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11255 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11256 (valid_in_set): Handle ARRAY_REF.
11257 Change "if min_variant or VH" to asserts.
11258 (create_component_ref_by_pieces): Handle ARRAY_REF.
11259 (create_expression_by_pieces): Likewise.
11260 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11262 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11264 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11265 is operand of switch, not str[0].
11267 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11269 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11270 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11272 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11274 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11275 end of insn_extra_address_constraint declaration.
11277 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11279 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11280 (no-sum-in-toc): Same.
11281 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11283 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11284 NO_FP_IN_TOC for -fPIC instead of mask.
11286 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11287 (BOOT_LDFLAGS): Delete.
11289 * config/rs6000/t-aix52: Same.
11291 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11292 (stmsi[345678]_power): New.
11294 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11296 * config/ia64/ia64.opt: Add empty line to end of file.
11298 2006-03-17 Richard Guenther <rguenther@suse.de>
11300 PR middle-end/26721
11301 * builtins.c (get_pointer_alignment): For component style references
11302 adjust alignment to the component type alignment. Make sure
11303 to adjust alignment for component access of constants.
11305 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11307 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11308 unconditional jump.
11310 2006-03-17 Paul Brook <paul@codesourcery.com>
11312 * doc/install.texi: Docuemnt --with-mode.
11313 * config.gcc: Add --with-mode for arm*-*-*.
11314 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11316 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11318 * sh.c (max_labelno_before_reorg): New variable.
11319 (sh_reorg): Initialize it.
11320 (find_barrier): Check max_labelno_before_reorg before using
11321 label_to_alignment. Take length of explicit alignment insns
11322 into account. When seeing a UNSPECV_CONST_END, return it.
11324 * sh.c (fixup_mova): Set mode of affected label to QImode.
11325 (untangle_mova): New function.
11326 (find_barrier): Use it. Check mode of label before decrementing
11328 (sh_reorg): Likewise.
11329 Set mode of all insns back to VOIDmode.
11331 * sh.c (MOVA_LABELREF): New macro.
11332 (mova_p, fixup_mova, sh_reorg): Use it.
11333 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11334 ADDR_DIFF_VEC matches mova.
11336 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11338 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11339 with ATTRIBUTE_UNUSED.
11341 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11343 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11344 pointer, instead of assuming it is possible to derive the
11345 correct args size from a call insn.
11347 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11349 * rtl.h (CONST_INT_P): Define.
11350 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11351 instead of GET_CODE(x) == CONST_INT.
11352 (vax_rtx_costs): Likewise.
11353 (vax_output_int_move): Likewise.
11354 (vax_output_int_add): Likewise.
11355 (legitimate_constant_address_p): Likewise.
11356 (index_term_p): Likewise.
11357 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11358 * config/vax/vax.md (and<mode>3): Likewise.
11359 (ashrsi3): Likewise.
11361 (movstricthi): Likewise.
11362 (movstrictqi): Likewise.
11363 (rotrsi3): Likewise.
11364 (five unnamed insns): Likewise.
11366 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11368 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11369 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11370 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11371 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11372 Pass to ASM_OUTPUT_DWARF_OFFSET.
11373 * dwarf2out.c (debug_frame_section): New.
11374 (output_call_frame_info): Use debug_frame_section. Pass it to
11375 dw2_asm_output_offset.
11376 (output_die): Pass appropriate section to dw2_asm_output_offset.
11377 (output_compilation_unit_header): Likewise.
11378 (output_pubnames): Likewise.
11379 (output_aranges): Likewise.
11380 (enum dw_val_class): Break dw_val_class_lbl_offset into
11381 dw_val_class_lineptr and dw_val_class_macptr.
11382 (add_AT_lbl_offset): Delete.
11383 (add_AT_lineptr): New.
11384 (add_AT_macptr): New.
11385 (AT_lbl): Expect a lineptr or macptr.
11386 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11387 (attr_checksum): Likewise.
11388 (same_dw_val_p): Likewise.
11389 (size_of_die): Likewise.
11390 (value_format): Likewise.
11391 (output_die): Likewise.
11392 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11394 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11395 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11396 * config/darwin-protos.h (darwin_file_start): New.
11397 (darwin_asm_output_dwarf_offset): New.
11398 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11399 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11401 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11402 if not EH section; simplify.
11403 (darwin_file_start): New.
11404 (darwin_asm_output_dwarf_offset): New.
11405 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11407 (DEBUG_INFO_SECTION): Likewise.
11408 (DEBUG_ABBREV_SECTION): Likewise.
11409 (DEBUG_ARANGES_SECTION): Likewise.
11410 (DEBUG_MACINFO_SECTION): Likewise.
11411 (DEBUG_LINE_SECTION): Likewise.
11412 (DEBUG_LOC_SECTION): Likewise.
11413 (DEBUG_PUBNAMES_SECTION): Likewise.
11414 (DEBUG_STR_SECTION): Likewise.
11415 (DEBUG_RANGES_SECTION): Likewise.
11416 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11417 (ASM_OUTPUT_DWARF_OFFSET): New.
11419 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11421 * config.gcc (tm_defines): Always add to previous value rather
11424 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11426 * config/mips/predicates.md (splittable_const_int_operand): New,
11427 split from move_operand.
11428 (splittable_symbolic_operand): New.
11429 (move_operand): Add commentary. Use splittable_const_int_operand.
11430 Inline mips_atomic_symbolic_constant_p.
11431 * config/mips/mips.md: Add combine splitters for handling moves
11432 of splittable_const_int_operands and splittable_symbolic_operands.
11433 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11434 (mips_split_symbol): Declare.
11435 (mips_move_integer): Declare.
11436 * config/mips/mips.c (mips_split_p): Make global.
11437 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11438 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11439 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11440 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11441 (mips_offset_within_object_p): Handle block symbols.
11442 (mips_atomic_symbolic_constant_p): Delete.
11443 (mips_cannot_force_const_mem): Return false for constants that
11444 mips_legitimize_move can handle.
11445 (mips_use_blocks_for_constant_p): New function.
11446 (mips_split_symbol): Make global.
11447 (mips_move_integer): Likewise. Add a temporary register argument.
11448 (mips_legitimize_const_move): Use splittable_const_int_operand and
11449 splittable_symbolic_operand.
11450 (mips_use_anchors_for_symbol_p): New function.
11451 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11452 (mips_split_p): Declare.
11454 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11456 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11457 (mips*-*-linux*): Likewise.
11459 2006-03-16 Roger Sayle <roger@eyesopen.com>
11460 Daniel Speyer <dspeyer@wam.umd.edu>
11462 PR middle-end/18259
11463 * tree-dump.c (dump_real): New function.
11464 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11465 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11466 (tree-dump.o): Add $(REAL_H) to the dependencies.
11468 2006-03-16 Roger Sayle <roger@eyesopen.com>
11470 PR middle-end/21781
11471 * real.c (real_from_string): If the mantissa is zero, don't bother
11472 parsing the exponent as the result should always be zero.
11474 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11476 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11478 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11480 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11481 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11482 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11483 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11484 ia64_sched_finish_global): New static functions to implement
11485 hooks from gcc_target.sched.
11486 (spec_check_no, max_uid, pending_data_specs): New static variables.
11487 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11488 ia64_spec_check_src_p): New static functions.
11489 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11490 (TARGET_SCHED_ADJUST_COST): Removed.
11491 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11492 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11493 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11494 TARGET_SCHED_GEN_CHECK,
11495 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11496 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11497 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11498 Fixed to handle speculation checks.
11499 (rtx_needs_barrier): Fixed to handle speculative loads and
11501 (ia64_variable_issue): Added code to count speculative loads and their
11503 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11505 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11507 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11509 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11510 (ia64_reorg): Reset stops_p to NULL after it is freed.
11511 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11512 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11513 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11515 (data_speculative, control_speculative, check_load): New attributes.
11516 (mov<mode>_advanced, mov<mode>_speculative,
11517 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11518 zero_extend<mode>di2_speculative,
11519 zero_extend<mode>di2_speculative_advanced): New patterns for
11520 data and control speculative loads.
11521 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11523 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11524 New pattern for data and control speculation checks.
11525 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11526 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11527 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11528 Auxiliary definitions for the patterns.
11529 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11530 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11532 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11534 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11535 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11536 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11537 New resource constraints.
11538 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11540 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11541 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11542 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11543 msched-in-control-spec, msched-ldc, msched-control-ldc,
11544 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11545 msched-prefer-non-control-spec-insns,
11546 msched-count-spec-in-critical-path): New flags to tune speculative
11548 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11549 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11550 msched-in-control-spec, msched-ldc, msched-control-ldc,
11551 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11552 msched-prefer-non-control-spec-insns,
11553 msched-count-spec-in-critical-path): Document new flags.
11555 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11557 * target.h (struct spec_info_def): New opaque declaration.
11558 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11559 speculate_insn, needs_block_p, gen_check,
11560 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11561 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11562 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11563 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11564 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11565 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11567 (TARGET_SCHED): Use new macros.
11568 * rtl.h (copy_DEPS_LIST_list): New prototype.
11569 * sched-int.h (struct sched_info): Change signature of new_ready field,
11570 adjust all initializations. New fields: add_remove_insn,
11571 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11572 region_head_or_leaf_p.
11573 (struct spec_info_def): New structure declaration.
11574 (spec_info_t): New typedef.
11575 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11576 recovery_block, orig_pat.
11577 (glat_start, glat_end): New variables declaraions.
11578 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11580 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11581 DETACH_LIFE_INFO, USE_GLAT.
11582 (enum SPEC_SCHED_FLAGS): New enumeration.
11583 (NOTE_NOTE_BB_P): New macro.
11584 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11585 attach_life_info, debug_spec_status, check_reg_live): New functions.
11586 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11587 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11589 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11590 * ddg.c (get_block_head_tail): Adjust all uses.
11591 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11592 (sms_sched_info): Initialize new fields.
11593 (contributes_to_priority): Removed.
11594 * haifa-sched.c (params.h): New include.
11595 (get_block_head_tail): Adjust all uses.
11596 (ISSUE_POINTS): New macro.
11597 (glat_start, glat_end): New global variables.
11598 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11599 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11600 old_last_basic_block, before_recovery, current_sched_info_var,
11601 rgn_n_insns, luid): New static variables.
11602 (insn_cost1): New function. Move logic from insn_cost to here.
11603 (find_insn_reg_weight1): New function. Move logic from
11604 find_insn_reg_weight to here.
11605 (reemit_notes, move_insn, max_issue): Change signature.
11606 (move_insn1): Removed.
11607 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11608 extend_bb): New static functions to support extension of scheduler's
11610 (generate_recovery_code, process_insn_depend_be_in_spec,
11611 begin_speculative_block, add_to_speculative_block,
11612 init_before_recovery, create_recovery_block, create_check_block_twin,
11613 fix_recovery_deps): New static functions to support
11614 generation of recovery code.
11615 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11616 restore_bb_notes, move_block_after_check, move_succs): New static
11617 functions to support ebb scheduling.
11618 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11619 functions to support handling of register live information.
11620 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11621 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11622 add_jump_dependencies): New static functions.
11623 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11624 consistancy checking.
11625 (debug_spec_status): New function to call from debugger.
11626 (priority): Added code to handle speculation checks.
11627 (rank_for_schedule): Added code to distinguish speculative instructions.
11628 (schedule_insn): Added code to handle speculation checks.
11629 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11630 Fixed to handle ebbs.
11631 (move_insn): Added code to handle ebb scheduling.
11632 (max_issue): Added code to use ISSUE_POINTS of instructions.
11633 (choose_ready): Added code to choose between speculative and
11634 non-speculative instructions.
11635 (schedule_block): Added code to handle ebb scheduling and scheduling of
11636 speculative instructions.
11637 (sched_init): Initialize new variables.
11638 (sched_finish): Free new variables. Print statistics.
11639 (try_ready): Added code to handle speculative instructions.
11640 * lists.c (copy_DEPS_LIST_list): New function.
11641 * sched-deps.c (extend_dependency_caches): New function. Move logic
11642 from create_dependency_caches to here.
11643 (get_dep_weak, ds_merge): Make global.
11644 * genattr.c (main): Code to output prototype for
11645 dfa_clear_single_insn_cache.
11646 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11647 (output_dfa_clean_insn_cache_func): Code to output
11648 dfa_clear_single_insn_cache function.
11649 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11651 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11653 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11654 New static variables.
11655 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11656 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11658 (ebb_sched_info): Initialize new fields.
11659 (get_block_head_tail): Adjust all uses.
11660 (compute_jump_reg_dependencies): Fixed to use glat_start.
11661 (schedule_ebb): Code to remove unreachable last block.
11662 (schedule_ebbs): Added code to update register live information.
11663 * sched-rgn.c (region_sched_info): Initialize new fields.
11664 (get_block_head_tail): Adjust all uses.
11665 (last_was_jump): Removed. Adjust users.
11666 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11667 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11668 Implement new hooks.
11669 (check_dead_notes1): New static function.
11670 (struct region): New fields: dont_calc_deps, has_real_ebb.
11671 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11672 (BB_TO_BLOCK): Fixed to handle EBBs.
11673 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11674 (ebb_head): New static variable.
11675 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11676 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11678 (compute_dom_prob_ps): New assertion.
11679 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11680 global_live_at_start.
11681 (init_ready_list): New assertions.
11682 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11683 (new_ready): Add support for BEGIN_CONTROL speculation.
11684 (schedule_insns): Fixed code that updates register live information
11686 (schedule_region): Fixed to handle EBBs.
11687 (init_regions): Use extend_regions and check_dead_notes1.
11688 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11689 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11690 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11691 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11692 TARGET_SCHED_GEN_CHECK,
11693 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11694 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11695 * doc/invoke.texi (max-sched-insn-conflict-delay,
11696 sched-spec-prob-cutoff): Document.
11698 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11700 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11701 inter_tick, queue_index.
11702 (struct sched_info): Change signature of init_ready_list field.
11703 Adjust all initializations.
11704 (RESOLVED_DEPS): New access macro.
11705 (ready_add): Remove prototype.
11706 (try_ready): Add prototype.
11707 * sched-rgn.c (init_ready_list): Use try_ready.
11708 (schedule_region): Initialize
11709 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11710 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11711 (init_ready_list): Use try_ready.
11712 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11713 * lists.c (remove_list_elem): Remove `static'.
11714 (remove_free_INSN_LIST_elem): New function.
11715 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11716 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11717 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11719 (readyp): New variable.
11720 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11721 change_queue_index, resolve_dep): New static functions.
11722 (try_ready): New function. Adjust callers in sched-rgn.c and
11723 sched-ebb.c to use it instead of ready_add.
11724 (clock_var): Move at the begining of file.
11725 (rank_for_schedule): Fix typo.
11726 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11727 (ready_lastpos): Enforce assertion.
11728 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11729 update all callers.
11730 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11731 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11732 (queue_to_ready): Use free_INSN_LIST_list.
11733 (early_queue_to_ready): Fix typo.
11734 (schedule_block): Init readyp. Move init_ready_list call after the
11735 initialization of clock_var. Fix error in rejecting insn by
11736 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11737 that previously corrected INSN_TICKs. Add code for handling
11739 (set_priorities): Fix typo.
11740 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11741 Clarify comment and code that keeps current_sched_info->next_tail
11744 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11746 * sched-rgn.c (extend_rgns): New static function.
11747 (find_rgns): Use it.
11748 (gather_region_statistics, print_region_statistics): New static
11750 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11751 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11753 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11754 Andrey Belevantsev <abel@ispras.ru>
11756 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11757 * lists.c (unused_deps_list): New variable.
11758 (free_list): Add assertions to verify the proper distinguishing
11759 between INSN_LISTs and DEPS_LISTs.
11760 (find_list_elem, remove_list_elem, remove_list_node): New static
11762 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11763 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11764 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11765 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11767 (free_INSN_LIST_node): Likewise.
11768 * modulo-sched.c (current_sched_info): Initialize flags field.
11769 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11770 * rtl.def (DEPS_LIST): Define.
11771 * rtl.h: Declare new functions from lists.c.
11772 * sched-deps.c (spec_dependency_cache): New static variable.
11773 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11774 (add_dependence): Change return type to void. Move the logic to ...
11775 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11776 (delete_all_dependences): Add comment about forward_dependency_cache.
11777 Handle spec_dependency_cache. Handle DEPS_LISTs.
11778 (fixup_sched_groups): Clarify the change of priority of output
11779 and anti dependencies.
11780 (sched_analyze_2): Adjust add_dependence calls to create data
11781 speculative dependence.
11782 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11783 Adjust all callers. Handle DEPS_LISTS.
11784 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11785 presence of speculation.
11786 (init_dependency_caches, free_dependency_caches):
11787 Handle spec_dependency_cache.
11788 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11789 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11790 New static functions.
11791 (add_or_update_back_dep, add_or_update_back_forw_dep,
11792 add_back_forw_dep, delete_back_forw_dep): New functions.
11793 * sched-int.h (ds_t, dw_t): New typedefs.
11794 (struct sched_info): Add new field flags.
11795 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11796 Prototype new sched-deps.c functions.
11797 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11798 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11799 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11800 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11801 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11802 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11804 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11806 * sched-rgn.c (current_sched_info): Initialize flags field.
11807 (schedule_insns): Initialize current_sched_info before the sched_init
11809 * sched-ebb.c (current_sched_info): Initialize flags field.
11810 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11811 Call add_or_update_back_dep instead of add_dependence.
11812 Create control speculative dependencies.
11813 (schedule_insns): Initialize current_sched_info before the sched_init
11816 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11818 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11820 (sh_fallback_frame_state): Likewise.
11822 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11824 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11825 Do switch on default_use_cxa_atexit.
11826 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11827 * config/darwin-crt3.o: New.
11828 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11829 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11830 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11832 * config/rs6000/t-darwin: Move crt2.o building to here.
11833 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11834 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11837 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11839 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11840 from '! xxx' to '!xxx' for coding-style conformance.
11841 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11842 (EXTRA_CONSTRAINT): Likewise.
11843 * config/vax/vax.md (four unnamed insns): Likewise.
11845 2006-03-15 Paul Brook <paul@codesourcery.com>
11847 * config/arm/arm.c (minipool_pad): New.
11848 (add_minipool_forward_ref): Include pool alignment padding in address
11850 (push_minipool_fix): Set minipool_pad.
11851 (minipool_pad): Ditto.
11853 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11855 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11856 instead of GET_CODE() == MEM and REG_P() instead of
11858 (print_operand_address): Likewise.
11859 (vax_address_cost): Likewise.
11860 (vax_rtx_costs): Likewise.
11861 (vax_notice_update_cc): Likewise.
11862 (vax_output_int_add): Likewise.
11863 (INDEX_REGISTER_P): Likewise.
11864 (BASE_REGISTER_P): Likewise.
11865 (nonindexed_address_p): Likewise.
11866 (vax_mode_dependent_address_p): Likewise.
11867 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11868 (PRINT_OPERAND): Likewise.
11869 * config/vax/vax.md (ashlsi3): Likewise.
11870 (ashlsi3): Likewise.
11871 (some more unnamed insns): Likewise.
11873 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11875 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11876 iterator-style macro.
11877 (mark_control_dependent_edges_necessary): Update the use of
11878 EXECUTE_IF_CONTROL_DEPENDENT.
11880 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11882 * config/sh/predicates.md (cache_address_operand): Special.
11883 (ua_address_operand): Likewise.
11885 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11887 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11889 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11891 2006-03-15 Andreas Schwab <schwab@suse.de>
11893 * gensupport.c (identify_predicable_attribute): Don't free p_false
11894 when it is still in use.
11896 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11898 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11899 the default setting here.
11901 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11903 * tree-pass.h (pass_cfg): Remove.
11904 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11905 * passes.c (pass_cfg): Don't run it.
11907 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11909 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11910 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11912 (stack_regs_mentioned): Update the uses of
11913 stack_regs_mentioned_data. Don't access the array beyond its
11915 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11916 Don't include gt-reg-stack.h.
11918 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11919 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11921 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11923 PR middle-end/26684
11924 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11927 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11929 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11931 2006-03-14 Richard Guenther <rguenther@suse.de>
11933 PR tree-optimization/26672
11934 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11937 2006-03-14 Richard Guenther <rguenther@suse.de>
11939 PR tree-optimization/26667
11940 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11941 node for the callees. Always allow inlining if it will shrink
11944 2006-03-14 Richard Guenther <rguenther@suse.de>
11946 PR middle-end/26659
11947 * builtins.c (get_pointer_alignment): Prefer alignment
11948 information from decls over that from types.
11950 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11953 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11955 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11957 * config/rs6000/rs6000.opt (mdlmzb): New option.
11958 (msched-prolog, msched-epilog): Use Var not Mask.
11959 * doc/invoke.texi (-mdlmzb): Document.
11960 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11962 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11963 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11965 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11967 PR rtl-optimization/25739
11968 * bt-load.c (augment_live_range): Free tos pointer.
11970 * gensupport.c (identify_predicable_attribute): Free
11972 * gcov.c (create_file_names): Free name pointer.
11974 2006-03-13 Roger Sayle <roger@eyesopen.com>
11976 PR middle-end/26557
11977 * stmt.c (emit_case_nodes): Handle the case where the index is a
11978 CONST_INT, where the comparison mode is specified by the index type.
11980 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11982 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11985 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11987 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11988 (*branch_fp_inverted): Likewise.
11990 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11992 PR middle-end/25989
11993 * omp-low.c (expand_omp_for_generic): Mark istart0
11994 and iend0 as addressable.
11996 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11998 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12000 2006-03-13 Jeff Law <law@redhat.com>
12002 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12003 virtual operands are interesting.
12004 (vrp_visit_stmt): Corresponding changes.
12006 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12008 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12010 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12011 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12012 * config/bfin/crti.S: Use it instead of __PIC__.
12013 * config/bfin/crtn.S: Likewise.
12015 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12016 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12018 Lose 'G' modifier for call operand.
12019 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12020 recognize 'G' modifier.
12022 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12024 PR middle-end/18859
12025 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12026 * stmt.c (expand_case): Likewise.
12028 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12030 PR rtl-optimization/26254
12031 * loop-invariant.c (seq_insns_valid_p): New function.
12032 (move_invariant_reg): Only emit new code if it is valid.
12034 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12036 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12038 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12039 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12040 (commit_one_edge_insertion): Do not look for loop notes.
12042 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12044 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12045 flag_test_coverage out of loop.
12047 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12049 * final.c (shorten_branches): Remove outdated comment, and turn
12050 the if branch that guards it to continue.
12052 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12054 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12055 * cfgloop.h (struct loop): Remove unused fields.
12057 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12059 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12060 (-dL, -fdump-rtl-loop2): Update the dump file names
12062 * doc/invoke.texi: Update dump file names.
12064 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12066 * predict.c (estimate_probability): Remove.
12067 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12068 * basic-block.h (estimate_probability): Remove prototype.
12069 * passes.c (finish_optimization_passes): Dump branch prediction or
12070 profiling heuristics to the .profile tree dump.
12071 (init_optimization_passes): Unqueue pass_branch_prob.
12073 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12075 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12077 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12078 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12080 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12082 * function.h (frame_offset_overflow): Declare.
12083 * function.c (frame_offset_overflow): New function.
12084 (assign_stack_local_1): Call it to detect that the offset overflows.
12085 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12087 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12089 * config/sh/sh.c: Include alloc-pool.h.
12090 (label_ref_list_pool): New alloc pool.
12091 (label_ref_list_t): New type for lists of labels.
12092 (struct pool_node): Make wend a label_ref_list_t.
12093 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12095 (dump_table): Likewise.
12096 (sh_reorg): Set up the alloc pool before using add_constant and
12097 dump_table, and destroy it when finishing.
12099 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12101 * config/mips/mips.c: Remove redundant comment.
12103 2006-03-10 Jason Merrill <jason@redhat.com>
12106 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12107 the target was declared 'register'.
12109 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12111 * genpreds.c (write_insn_constraint_len): Change definition of
12112 insn_constraint_len to return size_t to match the declaration.
12114 2006-03-10 DJ Delorie <dj@redhat.com>
12116 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12118 (m32c_expand_insv): Fix test for an AND mask.
12120 2006-03-10 Richard Guenther <rguenther@suse.de>
12122 PR middle-end/26565
12123 * builtins.c (get_pointer_alignment): Handle component
12124 references for field alignment.
12126 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12128 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12129 when building with libgloss.
12130 (sh*elf): Implement --without-fp option.
12131 (sh64-superh-linux*): Don't multilib.
12133 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12135 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12137 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12139 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12140 Set it when one of the replacement functions returned true.
12141 Return TODO_cleanup_cfg if cfgchanged is true.
12142 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12144 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12146 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12147 instead of gen_lowpart.
12149 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12151 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12153 (mips_output_order_conditional_branch): Declare.
12154 * config/mips/mips.h (MIPS_BRANCH): New macro.
12155 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12156 for the comparison. Use gen_condjump.
12157 (mips_output_conditional_branch): Rework interface to take the
12158 asm templates for a direct branch and the inverse of a direct branch.
12159 (mips_output_order_conditional_branch): New function.
12160 (mips_builtin_branch_and_move): New function.
12161 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12162 branch condition. Use gen_single_cc as the condition for
12163 __builtin_mips_upper_* or __builtin_mips_lower_*.
12164 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12165 Use VOIDmode for the branch condition.
12166 * config/mips/predicates.md (order_operator): New predicate.
12167 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12168 (branch_fp): Rename to...
12169 (*branch_fp): ...this. Remove mode from comparison operator.
12170 Use new mips_output_conditional_branch interface.
12171 (branch_fp_inverted): Rename to...
12172 (*branch_fp_inverted): ...this and update as for *branch_fp.
12173 (*branch_zero<mode>): Rename to...
12174 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12175 Use mips_output_order_conditional_branch. Only accept ordered
12177 (*branch_zero<mode>_inverted): Rename to...
12178 (*branch_order<mode>_inverted): ...this and update as for
12179 *branch_order<mode>.
12180 (*branch_equality<mode>): Accept zero as the second operand to
12181 the equality operator. Use the new mips_output_conditional_branch
12183 (*branch_equality<mode>_inverted): Likewise.
12184 (condjump): New expander.
12185 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12187 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12188 (bc1any2t, bc1any2f): Likewise.
12189 (single_cc): New expander.
12190 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12192 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12194 * doc/md.texi: Update documentation of MIPS constraints.
12195 * config/mips/constraints.md: New file.
12196 * config/mips/mips.md: Include it.
12197 * config/mips/mips.c (mips_char_to_class): Delete.
12198 (override_options): Don't initialize mips_char_to_class.
12199 * config/mips/mips.h (mips_char_to_class): Delete.
12200 (REG_CLASS_FROM_LETTER): Delete.
12201 (CONST_OK_FOR_LETTER_P): Delete.
12202 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12203 (EXTRA_CONSTRAINT_Y): Delete.
12204 (EXTRA_CONSTRAINT_STR): Delete.
12205 (CONSTRAINT_LEN): Delete.
12206 (EXTRA_MEMORY_CONSTRAINT): Delete.
12208 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12210 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12211 original fn's eh regions.
12213 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12215 * fold-const.c (build_range_check): Make sure to use a valid type to
12216 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12219 (range_predecessor): New static function.
12220 (range_successor): Likewise.
12221 (merge_ranges): Use them to compute predecessors and successors of
12224 2006-03-09 Roger Sayle <roger@eyesopen.com>
12226 PR middle-end/26561
12227 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12228 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12230 2006-03-08 DJ Delorie <dj@redhat.com>
12232 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12233 (addpsi3): Expand to include memory operands. Remove
12234 reload-specific splits.
12235 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12236 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12237 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12238 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12239 (shift1_qi, shift1_hi, insv): New.
12240 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12241 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12242 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12244 * config/m32c/m32c-protos.h: Update as needed.
12245 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12246 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12247 Fail for unrecognized R* constraints.
12248 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12249 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12250 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12252 (m32c_init_libfuncs): New.
12253 (m32c_legitimate_address_p): Add debug wrapper.
12254 (m32c_rtx_costs): New.
12255 (m32c_address_cost): New.
12256 (conversions): Add 'B' prefix.
12257 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12258 operands, or word regnames for QI operands. 'B' prints bit
12260 (m32c_expand_setmemhi): New.
12261 (m32c_expand_movmemhi): New.
12262 (m32c_expand_movstr): New.
12263 (m32c_expand_cmpstr): New.
12264 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12265 (m32c_expand_neg_mulpsi3): Handle non-ints.
12266 (m32c_cmp_flg_0): New.
12267 (m32c_expand_movcc): New.
12268 (m32c_expand_insv): New.
12269 (m32c_scc_pattern): New.
12270 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12271 a0/a1 out of SIregs.
12272 (STORE_FLAG_VALUE): New.
12273 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12276 * config/m32c/mov.md: Make constraints more liberal.
12277 (zero_extendqihi2): Optimize r0/r1 case.
12278 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12279 * config/m32c/predicates.md (m32c_any_operand): New.
12280 (m32c_nonimmediate_operand): New.
12281 (m32c_hl_operand): New.
12282 (m32c_r3_operand): New.
12285 (memsym_operand): New.
12286 (memimmed_operand): New.
12287 (a_qi_operand): New.
12288 (m32c_eqne_operator): New.
12289 (m32c_1bit8_operand): New.
12290 (m32c_1bit16_operand): New.
12291 (m32c_1mask8_operand): New.
12292 (m32c_1mask16_operand): New.
12293 * config/m32c/blkmov.md: New file.
12294 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12296 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12298 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12299 unsigned to fix signed/unsigned comparison issue in
12300 DWARF2_FRAME_REG_OUT.
12301 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12302 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12304 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12305 of ptr into the ENABLE_CHECKING section.
12307 2006-03-08 Jeff Law <law@redhat.com>
12309 * tree-vrp.c (infer_value_range): Only count pointer uses
12310 and dereferences if -fdelete-null-pointer-checks is enabled.
12312 * tree-vrp.c (find_assert_locations): Infer value ranges for
12313 single use pointers, but do not create ASSERT_EXPRs for them.
12314 When a non-null range is inferred for a pointer, backwards
12315 propagate that range to other equivalent pointers through the
12318 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12321 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12322 language hook targets.
12323 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12324 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12325 if language hook targets were missing.
12327 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12329 * tree-ssa-opfinalize.h: Removed.
12330 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12332 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12333 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12334 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12335 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12336 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12337 finalize_ssa_v_must_def_ops): New.
12339 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12341 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12342 block as parameter.
12344 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12346 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12348 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12349 addresses with offsets; reorganize.
12351 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12352 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12353 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12355 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12358 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12360 2006-03-08 Ben Elliston <bje@au.ibm.com>
12362 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12364 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12367 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12370 2006-03-07 Richard Guenther <rguenther@suse.de>
12372 PR tree-optimization/26587
12373 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12375 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12377 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12379 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12381 * hooks.c (hook_bool_mode_rtx_true): New function.
12382 * hooks.h (hook_bool_mode_rtx_true): Declare.
12383 * toplev.c (compile_file): Call output_shared_constant_pool.
12384 * varasm.c (shared_constant_pool): New variable.
12385 (assemble_start_function, assemble_end_function): Remove arguments
12386 from call to output_constant_pool.
12387 (create_constant_pool): New function, split out from...
12388 (init_varasm_status): ...here.
12389 (force_const_mem): Choose between the shared and per-function constant
12390 pools. Set current_function_uses_const_pool when reusing old entries
12391 as well as when creating new ones.
12392 (mark_constant): Ignore data argument.
12393 (mark_constants): Remove pool argument.
12394 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12395 to decide whether the function uses a constant pool.
12396 (output_constant_pool_contents): New function, split out from...
12397 (output_constant_pool): ...here.
12398 (output_shared_constant_pool): New function.
12399 (init_varasm_once): Initialize shared_constant_pool.
12400 * output.h (output_constant_pool): Delete.
12401 (output_shared_constant_pool): Declare.
12402 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12403 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12405 2006-03-06 Nick Clifton <nickc@redhat.com>
12407 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12408 flag_strength_reduce.
12410 2006-03-06 Ben Elliston <bje@au.ibm.com>
12412 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12413 x86_64-*-linux* configurations.
12415 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12416 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12418 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12420 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12422 * basic-block.h: Remove the extern for
12423 rediscover_loops_after_threading.
12425 * cfgloop.c (cancel_loop): Make it static.
12426 * cfgloop.h: Remove the prototype for cancel_loop.
12428 * flow.c (recompute_reg_usage): Make it static.
12429 * rtl.h: Remove the prototype for recompute_reg_usage.
12431 * function.c (use_return_register): Make it static.
12432 * function.h: Remove the prototype.
12434 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12436 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12438 * recog.h: Remove the prototype for
12439 validate_change_maybe_volatile.
12441 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12443 * rtlanal.c (replace_reg): Remove.
12444 * rtl.h: Remove the prototype for replace_reg.
12446 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12448 * regclass.c (reg_scan_update): Remove.
12449 (reg_scan_mark_refs): Remove the last argument.
12450 * rtl.h: Remove the prototype for reg_scan_update.
12452 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12454 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12455 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12456 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12457 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12458 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12459 loop-invariant.c, omp-low.c, opts.c, passes.c,
12460 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12461 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12462 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12463 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12464 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12465 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12467 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12469 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12470 * dwarf2out.h: Remove the prototype for
12471 dwarf2out_add_library_unit_info.
12473 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12475 * tree.c (add_var_to_bind_expr): Remove.
12476 * tree.h: Remove the prototype for add_var_to_bind_expr.
12478 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12480 * regclass.c (n_non_fixed_regs): Remove.
12481 (init_reg_sets_1, globalize_reg): Remove all uses of
12483 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12485 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12487 * rtlanal.c (insns_safe_to_move_p): Remove.
12488 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12490 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12492 * expmed.c (expand_mult_add): Remove.
12493 * expr.h: Remove the prototype for expand_mult_add.
12495 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12497 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12498 and REG_SAVED_VAL_EXP constants.
12499 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12500 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12501 Handle regs stored by value.
12502 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12503 (execute_cfa_program): Handle DW_CFA_val_offset,
12504 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12505 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12506 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12507 (uw_install_context_1): Handle target regs stored by value.
12509 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12511 * tree-sra.c (tree_sra): Return todoflags;
12512 (generate_one_element): Set TODO_update_smt_usage if needed.
12513 (pass_sra): Remove TODO_update_smt_usage.
12514 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12516 (tree_ssa_forward_propagate_single_use_vars): Return
12517 TODO_update_smt_usage if we need to update SMT usage.
12518 (pass_forwprop): Remove TODO_update_smt_usage.
12520 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12522 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12523 (correct_use_link): Remove reference to get_stmt_operands.
12524 (update_stmt_operands): Likewise.
12525 (get_modify_expr_operands): New function factored out of
12526 parse_ssa_operands and get_expr_operands.
12527 Try to create V_MUST_DEFs for LHS by default.
12528 (get_expr_operands) <case MODIFY_EXPR>: Call
12529 get_modify_expr_operands.
12530 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12531 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12532 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12533 get_modify_expr_operands.
12535 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12537 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12538 * tree-flow.h: Remove the prototype for
12539 referenced_var_lookup_if_exists.
12541 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12543 PR rtl-optimization/26345
12545 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12547 2006-03-03 Roger Sayle <roger@eyesopen.com>
12549 PR tree-optimization/26524
12550 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12551 fold_convert to create a constant of the appropriate type.
12553 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12555 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12556 SYMBOL_REF_IN_BLOCK_P.
12557 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12558 of SYMBOL_FLAG_IN_BLOCK.
12559 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12560 instead of SYMBOL_REF_IN_BLOCK_P.
12561 * explow.c (use_anchored_address): Likewise.
12562 * rtl.c (rtx_size): Likewise.
12563 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12564 instead of SYMBOL_FLAG_IN_BLOCK.
12565 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12566 SYMBOL_REF_IN_BLOCK_P.
12567 (assemble_variable): Likewise.
12568 (output_constant_def_contents): Likewise.
12569 (output_constant_pool): Likewise.
12570 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12571 instead of SYMBOL_FLAG_IN_BLOCK.
12572 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12573 SYMBOL_REF_IN_BLOCK_P.
12574 (SYMBOL_REF_BLOCK): Likewise.
12575 (SYMBOL_REF_OFFSET): Likewise.
12576 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12577 SYMBOL_REF_IN_BLOCK_P.
12578 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12579 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12580 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12581 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12583 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12585 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12587 2006-03-02 Roger Sayle <roger@eyesopen.com>
12589 * simplify-rtx.c (simplify_unary_operation): When simplifying
12590 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12591 that we perform the right shift in the appropriate mode, and
12592 then extend or truncate the result to requested mode.
12594 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12596 * gengtype.c (main): Handle double_int type.
12597 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12598 * double-int.c: New file.
12599 * double-int.h: New file.
12600 * system.h: Include doubleint.h.
12601 * Makefile.in (SYSTEM_H): Include double-int.h.
12602 (double-int.o): Add.
12604 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12607 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12610 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12612 * tree-vrp.c (remove_range_assertions): Do not update statements
12615 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12617 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12619 * gcse.c (rest_of_handle_gcse): Ditto.
12620 * except.c (gate_handle_eh): Ditto.
12621 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12622 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12624 2006-03-02 Eric Christopher <echristo@apple.com>
12626 * config/i386/i386.c (machopic_output_stub): Add indirection to
12629 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12633 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12635 Sun Niagara specific optimizations.
12636 * config.gcc: Recognize niagara as target.
12637 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12638 (TARGET_CPU_niagara): Define.
12639 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12640 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12641 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12642 (ASM_CPU_SPEC): Likewise.
12643 (PROCESSOR_NIAGARA): New enum entry.
12644 (REGISTER_MOVE_COST): Handle Niagara.
12645 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12646 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12647 (sparc_override_options): Recognize "niagara", set appropriate
12648 default MASK_* values for it, and align functions to 32-bytes
12649 by default just like ULTRASPARC/ULTRASPARC3.
12650 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12651 (sparc64_initialize_trampoline): Likewise.
12652 (sparc_use_sched_lookahead): Use zero for niagara.
12653 (sparc_issue_rate): Use one for niagara.
12654 * config/sparc/niagara.md: New file.
12655 * config/sparc/sparc.md: Include it.
12656 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12657 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12658 when default cpu is niagara.
12659 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12660 (ASM_CPU_SPEC): Likewise.
12661 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12662 when default cpu is niagara.
12663 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12664 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12665 just like v9/ultrasparc/ultrasparc3.
12666 * doc/invoke.texi: Add documentation for "niagara" and improve
12667 existing documentation for ultrasparc variants.
12669 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12671 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12673 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12675 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12676 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12677 and say that only one is needed.
12678 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12679 * target.h (have_switchable_bss_sections): New hook.
12680 * explow.c (use_anchored_address): Check that the symbol is in a block.
12681 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12682 (bss_noswitch_section): New variables.
12683 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12684 (get_noswitch_section): New function.
12685 (get_block_for_section): Allow SECT to be null.
12686 (unlikely_text_section_p): Use SECTION_STYLE.
12687 (bss_initializer_p): New function.
12688 (get_variable_section): Move earlier in file. Take a new argument,
12689 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12690 Return one of the new *_sections in such cases.
12691 (get_block_for_decl): New function, extracting some logic from
12692 use_blocks_for_decl_p.
12693 (change_symbol_section): Remove in favor of...
12694 (change_symbol_block): ...this new function.
12695 (use_blocks_for_decl_p): Remove checks now performed by
12696 get_block_for_decl.
12697 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12698 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12699 (emit_local, emit_bss, emit_common): ...these new functions.
12700 Return true if the alignment was honored.
12701 (emit_tls_common): New function.
12702 (asm_emit_uninitialised): Delete.
12703 (assemble_variable_noswitch): New function, split out from...
12704 (assemble_variable): ...here. Don't make decisions about common
12705 variables here. Globalize all public decls that go into non-common
12706 sections. Check whether SYMBOL_REF_BLOCK is null.
12707 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12708 (output_constant_pool): Likewise.
12709 (init_varasm_once): Initialize the new section variables.
12710 (have_global_bss_p): New function.
12711 (categorize_decl_for_section): Use bss_initializer_p.
12712 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12713 (place_block_symbol): Assert that the symbol must be in a block.
12714 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12715 (TARGET_INITIALIZER): Include it.
12716 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12717 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12718 (SECTION_MACH_DEP): Bump by two.
12719 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12720 (unnamed_section): Mention SECTION_UNNAMED in comment.
12721 (named_section): Likewise SECTION_NAMED.
12722 (noswitch_section_callback): New type.
12723 (noswitch_section): New structure.
12724 (section): Add a noswitch_section alternative.
12725 (SECTION_STYLE): New macro.
12726 (tls_comm_section, comm_section, lcomm_section): Declare.
12727 (bss_noswitch_section, have_global_bss_p): Declare.
12728 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12729 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12731 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12732 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12735 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12737 * tree-vrp.c (execute_vrp): Return value.
12738 * regrename.c (rest_of_handle_regrename): Ditto.
12739 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12740 * tree-complex.c (tree_lower_complex): Ditto.
12741 (tree_lower_complex_O0): Ditto.
12742 * tracer.c (rest_of_handle_tracer): Ditto.
12743 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12744 * postreload.c (rest_of_handle_postreload): Ditto.
12745 * tree-tailcall.c (execute_tail_recursion): Ditto.
12746 (execute_tail_calls): Ditto.
12747 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12748 * tree.h (init_function_for_compilation): Ditto.
12749 * ipa-cp.c (ipcp_driver): Ditto.
12750 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12751 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12752 * final.c (compute_alignments): Ditto.
12753 (rest_of_handle_final): Ditto.
12754 (rest_of_handle_shorten_branches): Ditto.
12755 (rest_of_clean_state): Ditto.
12756 * omp-low.c (execute_expand_omp): Ditto.
12757 (execute_lower_omp): Ditto.
12758 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12759 * ipa-reference.c (static_execute): Ditto.
12760 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12761 * reorg.c (rest_of_handle_delay_slots): Ditto.
12762 (rest_of_handle_machine_reorg): Ditto.
12763 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12764 * flow.c (recompute_reg_usage): Ditto.
12765 (rest_of_handle_remove_death_notes): Ditto.
12766 (rest_of_handle_life): Ditto.
12767 (rest_of_handle_flow2): Ditto.
12768 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12769 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12770 (do_ssa_store_ccp): Ditto.
12771 (execute_fold_all_builtins): Ditto.
12772 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12773 * modulo-sched.c (rest_of_handle_sms): Ditto.
12774 * ipa-pure-const.c (static_execute): Ditto.
12775 * cse.c (rest_of_handle_cse): Ditto.
12776 (rest_of_handle_cse2): Ditto.
12777 * web.c (rest_of_handle_web): Ditto.
12778 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12779 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12780 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12781 * tree-nrv.c (tree_nrv): Ditto.
12782 (execute_return_slot_opt): Ditto.
12783 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12784 (create_structure_vars): Ditto.
12785 * loop-init.c (rtl_loop_init): Ditto.
12786 (rtl_loop_done): Ditto.
12787 (rtl_move_loop_invariants): Ditto.
12788 (rtl_unswitch): Ditto.
12789 (rtl_unroll_and_peel_loops): Ditto.
12790 (rtl_doloop): Ditto.
12791 * gimple-low.c (lower_function_body): Ditto.
12792 (mark_used_blocks): Ditto.
12793 * tree-ssa-sink.c (execute_sink_code): Ditto.
12794 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12795 (cgraph_early_inlining): Ditto.
12796 * global.c (rest_of_handle_global_alloc): Ditto.
12797 * jump.c (cleanup_barriers): Ditto.
12798 (purge_line_number_notes): Ditto.
12799 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12800 (rest_of_handle_if_after_reload): Ditto.
12801 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12802 (tree_ssa_loop_im): Ditto.
12803 (tree_ssa_loop_unswitch): Ditto.
12804 (tree_vectorize): Ditto.
12805 (tree_linear_transform): Ditto.
12806 (tree_ssa_loop_ivcanon): Ditto.
12807 (tree_ssa_empty_loop): Ditto.
12808 (tree_ssa_loop_bounds): Ditto.
12809 (tree_complete_unroll): Ditto.
12810 (tree_ssa_loop_prefetch): Ditto.
12811 (tree_ssa_loop_ivopts): Ditto.
12812 (tree_ssa_loop_done): Ditto.
12813 * predict.c (tree_estimate_probability): Ditto.
12814 * recog.c (split_all_insns_noflow): Ditto.
12815 (rest_of_handle_peephole2): Ditto.
12816 (rest_of_handle_split_all_insns): Ditto.
12817 * tree-eh.c (lower_eh_constructs): Ditto.
12818 * regmove.c (rest_of_handle_regmove): Ditto.
12819 (rest_of_handle_stack_adjustments): Ditto.
12820 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12821 * function.c (instantiate_virtual_regs): Ditto.
12822 (init_function_for_compilation): Ditto.
12823 (rest_of_handle_check_leaf_regs): Ditto.
12824 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12825 (rest_of_handle_gcse): Ditto.
12826 * ipa-type-escape.c (type_escape_execute): Ditto.
12827 * alias.c (rest_of_handle_cfg): Ditto.
12828 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12829 * profile.c (rest_of_handle_branch_prob): Ditto.
12830 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12831 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12832 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12833 * tree-dfa.c (find_referenced_vars): Ditto.
12834 * except.c (set_nothrow_function_flags): Ditto.
12835 (convert_to_eh_region_ranges): Ditto.
12836 (rest_of_handle_eh): Ditto.
12837 * emit-rtl.c (unshare_all_rtl): Ditto.
12838 (remove_unnecessary_notes): Ditto.
12839 * except.h (set_nothrow_function_flags): Ditto.
12840 (convert_to_eh_region_ranges): Ditto.
12841 * cfgexpand.c (tree_expand_cfg): Ditto.
12842 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12843 * tree-ssa-pre.c (do_pre): Ditto.
12844 (execute_fre): Ditto.
12845 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12846 (rest_of_handle_jump2): Ditto.
12847 * tree-sra.c (tree_sra): Ditto.
12848 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12849 (execute_mudflap_function_decls): Ditto.
12850 * tree-ssa-copy.c (do_copy_prop): Ditto.
12851 (do_store_copy_prop): Ditto.
12852 * ipa-prop.h (ipcp_driver): Ditto.
12853 * cfglayout.c (insn_locators_initialize): Ditto.
12854 * tree-ssa-forwprop.c
12855 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12856 * cfglayout.h (insn_locators_initialize): Ditto.
12857 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12858 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12859 (execute_late_warn_uninitialized): Ditto.
12860 * rtl.h (cleanup_barriers): Ditto.
12861 (split_all_insns_noflow): Ditto.
12862 (purge_line_number_notes): Ditto.
12863 (unshare_all_rtl): Ditto.
12864 (remove_unnecessary_notes): Ditto.
12865 (recompute_reg_usage): Ditto.
12866 (variable_tracking_main): Ditto.
12867 * integrate.c (emit_initial_value_sets): Ditto.
12868 * integrate.h (emit_initial_value_sets): Ditto.
12869 * tree-optimize.c (execute_free_datastructures): Ditto
12870 (execute_free_cfg_annotations): Ditto.
12871 (execute_fixup_cfg): Ditto.
12872 (execute_cleanup_cfg_pre_ipa): Ditto.
12873 (execute_cleanup_cfg_post_optimizing): Ditto.
12874 (execute_init_datastructures): Ditto.
12875 * tree-object-size.c (compute_object_sizes): Ditto.
12876 * combine.c (rest_of_handle_combine): Ditto.
12877 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12878 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12879 (rest_of_handle_reorder_blocks): Ditto.
12880 (rest_of_handle_partition_blocks): Ditto.
12881 * var-tracking.c (variable_tracking_main): Ditto.
12882 * tree-profile.c (tree_profiling): Ditto.
12883 * tree-vect-generic.c (expand_vector_operations): Ditto.
12884 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12885 * sched-rgn.c (rest_of_handle_sched): Ditto.
12886 (rest_of_handle_sched2): Ditto.
12887 * basic-block.h (free_bb_insn): Ditto.
12888 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12889 * tree-cfg.c (execute_build_cfg): Ditto.
12890 (remove_useless_stmts): Ditto.
12891 (split_critical_edges): Ditto.
12892 (execute_warn_function_return): Ditto.
12893 (execute_warn_function_noreturn): Ditto.
12894 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12895 * cfgrtl.c (free_bb_for_insn): Ditto.
12896 * passes.c (execute_one_pass): Run additional
12897 todos returned by execute function.
12898 * tree-pass.h (struct tree_opt_pass): Make execute
12901 2006-03-02 Richard Guenther <rguenther@suse.de>
12903 * tree-ssa-alias.c (find_used_portions): Consider taking
12904 the address as making the variable not write-only.
12906 2006-03-02 Nick Clifton <nickc@redhat.com>
12908 * config.gcc (default_use_cxa_atexit): Extend the description of
12909 this configure variable. Set its default value to "yes" for
12910 Linux, NetBSD and ELF targets on the assumption that they will
12911 use C libraries with the __cxa_atexit function.
12913 2006-03-02 Ben Elliston <bje@au.ibm.com>
12915 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12916 parameter as unused to suppress a build warning.
12918 2006-03-02 Ben Elliston <bje@au.ibm.com>
12920 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12923 2006-03-01 Roger Sayle <roger@eyesopen.com>
12926 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12927 declared name, the weak reference name, and the typeof name.
12928 (__gthrw): Avoid expanding the declared name suffix.
12929 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12931 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12933 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12935 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12936 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12937 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12938 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12939 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12940 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12941 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12942 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12943 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12944 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12945 (DW_END_default, DW_END_big, DW_END_little): New.
12946 (DW_END_lo_user, DW_END_hi_user): Define.
12947 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12948 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12949 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12952 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12954 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12956 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12958 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12960 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12962 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12963 to 'symbol_mem_tag'.
12965 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12968 2006-03-01 Roger Sayle <roger@eyesopen.com>
12970 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12972 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12975 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12976 MACHO_DYNAMIC_NO_PIC_P.
12977 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12979 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12982 * config/darwin-protos.h (darwin_asm_output_anchor):
12984 * config/darwin-sections.def (cstring_section):
12985 Add SECTION_MERGE to the flags.
12986 (literal4_section): Likewise.
12987 (literal8_section): Likewise.
12988 (objc_selector_refs_section): Likewise.
12989 (objc_cls_refs_section): Likewise.
12990 * config/darwin.c (darwin_asm_output_anchor): New
12992 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12994 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12996 Fix PR tree-optimization/26443
12997 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12998 to todo and PROP_tmt_usage to properties_destroyed.
12999 * tree-ssa-ccp.c (pass_ccp): Ditto.
13000 (pass_store_ccp): Ditto.
13001 * tree-ssa-dom.c (pass_dominator): Ditto.
13003 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13005 * tree-ssa-operands.c: Cleanup whitespace.
13006 (get_asm_expr_operands): Move before first invocation.
13007 (get_indirect_ref_operands): Likewise.
13008 (get_tmr_operands): Likewise.
13009 (get_call_expr_operands): Likewise.
13010 (append_def): Likewise.
13011 (append_use): Likewise.
13012 (append_v_may_def): Likewise.
13013 (append_v_must_def): Likewise.
13014 (add_call_clobber_ops): Likewise.
13015 (add_call_read_ops): Likewise.
13016 (add_stmt_operand): Likewise.
13017 (add_virtual_operand): Likewise.
13018 (build_ssa_operands): Likewise.
13020 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13022 PR middle-end/26022
13024 PR middle-end/24437
13025 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13026 with a call expr to ...
13027 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13029 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13031 * tree-vrp.c (extract_range_from_assert): Remove special
13032 handling for types with super-types.
13034 2006-03-01 Ben Elliston <bje@au.ibm.com>
13036 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13037 and powerpc64-*-linux* configurations.
13038 * config/t-dfprules: New file.
13040 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13041 Compile dfp-bit.c from the source directory using -DWIDTH and
13042 $DFP_CFLAGS to control the compilation of that file, rather than
13043 generating width-specific versions in the build directory.
13044 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13045 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13047 2006-02-28 Zack Weinberg <zackw@panix.com>
13049 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13052 2006-02-28 Eric Christopher <echristo@apple.com>
13054 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13055 Set up IN_LIBGCC definition of TARGET_64BIT.
13056 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13058 2006-02-28 Roger Sayle <roger@eyesopen.com>
13060 PR middle-end/14752
13061 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13062 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13063 cases via the construction of "expr != 0".
13065 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13067 * alias.c (alias_invariant, alias_invariant_size): Remove.
13068 (record_base_value): Remove.
13069 (memrefs_conflict_p): Don't look at alias_invariant.
13070 (end_alias_analysis): Don't free it.
13071 * alias.h (record_base_value): Remove prototype.
13073 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13074 Adam Nemet <anemet@caviumnetworks.com>
13076 * rtl.h (truncated_to_mode): Declare it.
13077 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13078 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13079 (RTL_HOOKS_INITIALIZER): Include it.
13080 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13081 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13082 reg_truncated_to_mode.
13083 * rtlanal.c (truncated_to_mode): Define it.
13084 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13086 2006-02-28 Jeff Law <law@redhat.com>
13088 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13089 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13090 the range allowed by TYPE_PRECISION.
13092 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13094 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13096 PR tree-optimization/26419
13097 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13100 2006-02-27 Zack Weinberg <zackw@panix.com>
13102 * doc/md.texi: Fix typo in previous change.
13104 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13108 2006-02-27 Zack Weinberg <zackw@panix.com>
13110 * rtl.def (define_constraint, define_register_constraint)
13111 (define_memory_constraint, define_address_constraint): New MD forms.
13112 * gensupport.c (process_rtx): Put define_constraint etc on the
13114 * genpreds.c (process_define_predicate): Adjust comment. Validate
13115 the name, and call validate_exp to validate the expression.
13116 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13117 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13118 all callers changed.
13119 (validate_exp, needs_variable, struct constraint_data)
13120 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13121 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13122 (const_dbl_constraints, constraint_max_namelen)
13123 (have_register_constraints, have_memory_constraints)
13124 (have_address_constraints, have_address_constraints)
13125 (have_extra_constraints, have_const_int_constraints)
13126 (have_const_dbl_constraints, mangle, add_constraint)
13127 (process_define_constraint, process_define_register_constraint)
13128 (write_enum_constraint_num, write_lookup_constraint)
13129 (write_insn_constraint_len, write_regclass_for_constraint)
13130 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13131 (write_insn_extra_memory_constraint)
13132 (write_insn_extra_address_constraint)
13133 (write_satisfies_constraint_fns): New.
13134 (write_tm_preds_h): If we have new-style constraint definitions,
13135 prototype the functions generated from them, and define the
13136 old constraint interface (still used by generic code) in terms of
13138 (write_insn_preds_c): If we have new-style constraint definitions,
13139 generate all relevant functions from those definitions.
13140 (main): Handle define_constraint etc.
13141 * genoutput.c (struct constraint_data, indep_constraints)
13142 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13143 (mdep_constraint_len): New data structures and functions, defined
13144 #ifdef USE_MD_CONSTRAINTS.
13145 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13146 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13147 use new logic to validate operand constraints against constraint
13149 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13151 * defaults.h: If none of the old-style constraint macros are
13152 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13153 old-style macros; and poison REG_CLASS_FROM_LETTER,
13154 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13156 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13157 * doc/md.texi: Document new constraint-definition mechanism and the
13158 C interface it provides. Remove references to old mechanism
13159 elsewhere in the document.
13160 (Machine Constraints): Use pathnames relative to gcc directory,
13161 i.e. config/ARCH/FILE. Change i386 section to refer to
13162 config/i386/predicates.md; update that section to match docstrings.
13163 * doc/tm.texi: Move all documentation of the old constraint-
13164 definition macros to their own section, clearly mark as obsolete.
13166 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13167 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13169 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13170 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13171 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13172 constraint strings.
13173 (splits and peepholes): Use satisfies_constraint_*.
13174 * config/i386/i386.c (memory_address_length)
13175 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13177 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13179 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13180 scalar operation to be put back into the loop.
13182 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13185 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13186 (extract_cie_info): Handle S flag in augmentation string.
13187 (execute_cfa_program): If context->signal_frame, execute also
13188 fs->pc == context->ra instructions.
13189 (uw_frame_state_for): If context->signal_frame, don't subtract one
13190 from context->ra to find FDE.
13191 (uw_update_context_1): Set context->signal_frame to
13193 (_Unwind_GetIPInfo): New function.
13194 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13195 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13197 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13198 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13199 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13200 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13201 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13202 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13203 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13204 x86_64_fallback_frame_state): Set fs->signal_frame.
13205 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13206 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13207 (frob_update_context): Likewise. Workaround missing S flag in
13208 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13209 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13210 Remove the psw_addr + 1 hack.
13212 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13214 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13215 with aggregates here.
13216 (find_func_aliases): Remove code for &<aggregate> from here.
13218 2006-02-26 Roger Sayle <roger@eyesopen.com>
13220 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13221 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13222 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13223 as (X & C) ne/eq 0.
13225 2006-02-26 Roger Sayle <roger@eyesopen.com>
13227 PR middle-end/19983
13228 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13230 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13232 * opts.c (decode_options): Do not handle flag_strength_reduce.
13233 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13234 and OPT_fstrength_reduce.
13235 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13236 flag_prefetch_loop_arrays for being nonzero.
13237 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13239 (fprefetch-loop-arrays-rtl): Removed.
13240 (flag_prefetch_loop_arrays): Do not specify the value.
13242 * doc/passes.texi: Update documentation of loop optimizer
13244 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13245 -frerun-loop-opt): Remove.
13247 2006-02-26 Richard Guenther <rguenther@suse.de>
13249 PR tree-optimization/26421
13250 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13251 in function calls that are ADDR_EXPRs as using the whole structure.
13253 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13255 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13256 * tree-pass.h (pass_loop_optimize): Remove.
13257 * passes.c (pass_loop_optimize): Never run it.
13258 * toplev.c (backend_init): Don't call init_loop.
13259 * opts.c (flag_loop_optimize_set): Remove.
13260 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13261 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13262 the old RTL loop optimizer when profiling enabled.
13263 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13264 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13265 pre-headers for the sake of the old RTL loop optimizer.
13266 * Makefile.in: Remove all references to loop.o.
13268 * doc/invoke.texi: Remove all references to -floop-optimize
13269 and -frerun-loop-opt.
13271 2006-02-26 Zack Weinberg <zackw@panix.com>
13273 * doc/md.texi (Machine Constraints): Refer to all files with paths
13274 relative to gcc directory (i.e. config/CPU/file). Add missing
13275 @table @code ... @end table to M32C subsection.
13277 2006-02-26 Roger Sayle <roger@eyesopen.com>
13279 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13281 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13283 2006-02-26 Roger Sayle <roger@eyesopen.com>
13284 James A. Morrison <phython@gcc.gnu.org>
13286 PR middle-end/21137
13287 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13288 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13289 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13290 signedness of the shift operation.
13292 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13294 PR tree-optimization/26359
13295 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13297 2006-02-25 Roger Sayle <roger@eyesopen.com>
13299 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13300 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13301 as X == 0, and some symmetry related transformations.
13302 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13304 2006-02-25 Roger Sayle <roger@eyesopen.com>
13306 PR middle-end/23673
13307 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13308 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13309 symmetry related transformations. Fold (X^C1) == C2 as
13312 2006-02-25 Juergen Weigert <jw@suse.de>
13313 Richard Guenther <rguenther@suse.de>
13315 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13317 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13319 * combine.c (gen_lowpart_or_truncate): Call
13320 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13322 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13324 * doc/invoke.texi: Move -fopenmp description to "Options for
13326 Remove reference to -lgomp.
13328 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13330 * doc/install.texi: Require GNU tar version 1.14.
13332 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13334 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13335 * doc/invoke.texi (C++ Dialect Options): Document
13336 -fno-use-cxa-get-exception-ptr.
13337 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13338 * configure: Regenerate.
13339 * c.opt (fuse-cxa-get-exception-ptr): New.
13340 * c-opts.c (c_common_handle_option): Handle
13341 OPT_fuse_cxa_get_exception_ptr.
13342 * c-common.c (flag_use_cxa_atexit): Update documentation.
13343 (flag_use_cxa_get_exception_ptr): New.
13344 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13345 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13347 (C_COMMON_OVERRIDE_OPTIONS): New.
13349 2006-02-24 Roger Sayle <roger@eyesopen.com>
13351 PR middle-end/24952
13352 * combine.c (try_combine): Explicitly check whether GET_CODE is
13353 a SET or a CLOBBER, instead on checking that it isn't a USE.
13355 2006-02-24 Roger Sayle <roger@eyesopen.com>
13357 * fold-const.c (fold_comparison): New subroutine of fold_binary
13358 containing transformations common to both the equality and
13359 ordering relational operators, factored out of fold_binary.
13360 (fold_binary): Separate out the equality operators (EQ_EXPR
13361 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13362 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13363 transformations common to both.
13364 (fold_div_compare): Fix latent bugs in the previously unreachable
13365 LT_EXPR and GE_EXPR cases.
13367 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13369 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13370 decl libname for clog to __clog on AIX.
13372 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13374 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13377 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13378 output traceback table for thunks. Localise rs6000_stack_info call.
13380 2006-02-23 Roger Sayle <roger@eyesopen.com>
13381 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13383 * gthr-posix.h (__gthrw): Fix typo in comment.
13385 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13387 * doc/cpp.texi (Character sets): Document that we do support
13388 input files to be in any character set.
13390 2006-02-23 Jeff Law <law@redhat.com>
13392 * tree.h (PHI_ARG_NONZERO): Remove.
13393 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13394 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13395 node to the new node.
13397 PR tree-optimization/26425
13398 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13399 min/max, then assume its varying.
13401 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13403 PR rtl-optimization/26316
13404 * rtlanal.c (enum may_trap_p_flags): New.
13405 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13406 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13407 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13408 (may_trap_after_code_motion_p): New function.
13409 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13410 (find_invariant_insn): Use may_trap_after_code_motion_p.
13411 * rtl.h (may_trap_after_code_motion_p): Declare.
13413 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13415 * emit-rtl.c (immed_double_const): Cleanup.
13417 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13419 Fix PR tree-optimization/26376
13420 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13423 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13425 PR middle-end/26412
13426 * gimplify.c (omp_add_variable): Guard variable size decl test with
13427 DECL_SIZE (decl) check.
13429 2006-02-23 Richard Guenther <rguenther@suse.de>
13431 PR middle-end/26439
13432 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13433 like aggregate types.
13435 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13437 * configure.ac: Add --with{,out}-long-double-128 configure option.
13438 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13439 * configure: Rebuilt.
13440 * config.in: Rebuilt.
13441 * doc/install.texi (Options specification): Document
13442 --with-long-double-128.
13444 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13445 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13446 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13447 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13449 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13451 * config/s390/s390.c (override_options): Handle
13452 TARGET_DEFAULT_LONG_DOUBLE_128.
13454 * config/alpha/alpha.c (override_options): Handle
13455 TARGET_DEFAULT_LONG_DOUBLE_128.
13457 * config/sparc/sparc.c (sparc_override_options): Handle
13458 TARGET_DEFAULT_LONG_DOUBLE_128.
13460 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13462 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13463 (real-install-headers-tar, real-install-headers-cpio)
13464 (real-install-headers-cp): New targets.
13466 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13468 * tree.h (variable_section): Delete.
13469 * varasm.c (variable_section): Delete.
13471 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13473 * install.texi: Add notes on install.texi2html.
13474 (Building in parallel): Do not use footnotes.
13476 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13479 * doc/install.texi (Configuration): Document --disable-libgomp.
13481 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13483 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13485 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13487 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13488 (vec_extractv2df_0_sse): New.
13490 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13492 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13493 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13494 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13495 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13496 to the result of the expression.
13497 (def_cfa_1): Adjust.
13498 (frame_pointer_cfa_offset): Rename to...
13499 (frame_pointer_fb_offset): ... this. Adjust all uses.
13500 (convert_cfa_to_loc_list): Rename to...
13501 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13502 Pass it on to build_cfa_loc.
13503 (compute_frame_pointer_to_cfa_displacement): Rename to...
13504 (compute_frame_pointer_to_fb_displacement): ... this. New
13505 offset parameter. Use it in computation.
13506 (gen_subprogram_die): Compute cfa_fb_offset with the new
13507 macro, and use it to compute the fb loc list and the
13510 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13512 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13513 replaced with register_operand.
13514 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13515 non-DREG is expensive.
13516 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13517 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13520 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13522 * doc/install.texi2html: Use set -e.
13524 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13526 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13527 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13528 * doc/invoke.texi (-fshared-data): Delete.
13529 * common.opt (fshared-data): Delete.
13530 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13531 (assemble_static_space): Remove #if 0 code.
13532 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13533 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13534 * config/cris/cris.h: Remove FIXME.
13536 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13538 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13541 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13543 PR middle-end/26379
13544 * combine.c (simplify_shift_const_1): Disable nested shifts
13545 optimization for vector shifts.
13547 2006-02-20 Roger Sayle <roger@eyesopen.com>
13549 PR tree-optimization/26361
13550 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13551 of unsigned integer types.
13553 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13555 * tree-chrec.c (eq_evolutions_p): New.
13556 * tree-chrec.h (eq_evolutions_p): Declared.
13557 * tree-data-ref.c: Fix formatting.
13558 (datadep_stats, dependence_stats): New.
13560 (print_direction_vector): New.
13561 (dump_data_dependence_relation): Use print_direction_vector.
13562 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13563 (compute_subscript_distance): Static.
13564 (initialize_data_dependence_relation): Static. Get the number
13565 of loops surrounding the references from the callers, and initialize
13566 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13567 base_object_differ_p analyzers.
13568 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13569 compute_overlap_steps_for_affine_1_2,
13570 analyze_subscript_affine_affine): Count the classified dependences.
13571 Print a message when a test failed.
13572 (can_use_analyze_subscript_affine_affine): New.
13573 (analyze_siv_subscript): Compute the data dependences on symbolic
13574 scevs that verify can_use_analyze_subscript_affine_affine.
13575 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13576 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13577 Handle symbolic scevs.
13578 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13580 (subscript_dependence_tester): Moved...
13581 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13582 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13583 DDR_SIZE_VECT instead of getting it in parameter.
13584 (subscript_dependence_tester): ... here. Take as a parameter
13585 loop_nest_depth. Call build_classic_dist_vector and
13586 build_classic_dir_vector.
13587 (compute_affine_dependence): Update subscript_dependence_tester
13588 parameters. Update datadep_stats counters. Call
13589 compute_subscript_distance.
13590 (compute_self_dependence): Save the dist and dir vectors. Call
13591 compute_subscript_distance.
13592 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13593 (compute_all_dependences): Reorder parameters as they were before
13594 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13595 compute_subscript_distance. Update the use of
13596 compute_affine_dependence and initialize_data_dependence_relation.
13597 (find_data_references_in_loop): Handle COMPONENT_REF.
13598 (compute_data_dependences_for_loop): Initialize dependence_stats.
13599 Don't call build_classic_dist_vector and build_classic_dir_vector.
13600 Update the parameters of initialize_data_dependence_relation and
13601 compute_all_dependences. Print the statistics from datadep_stats.
13602 (analyze_all_data_dependences): Static. Not used until the pass for
13603 checking the data dependences is contributed.
13604 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13605 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13606 (initialize_data_dependence_relation, compute_affine_dependence,
13607 analyze_all_data_dependences, compute_subscript_distance): Removed.
13608 (print_direction_vector): New.
13609 * lambda.h (gcd): ... here.
13610 (lambda_vector_gcd): Moved here from gcd_vector.
13611 * lambda-code.c (gcd, gcd_vector): Removed.
13612 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13613 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13615 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13617 * ipa-type-escape.c: Tidy some comments and white space.
13618 * tree-ssa-operands.c: Likewise.
13620 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13623 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13624 (dump_decl_name): Do not walk the decl tree chains.
13625 * tree-pass.h (TDF_CHAIN): Remove.
13627 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13629 * Makefile.in (C): Remove
13631 (.PHONY): Remove C and PROTO
13633 2006-02-20 Roger Sayle <roger@eyesopen.com>
13635 PR middle-end/26236
13636 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13637 deprecated CHAR_TYPE tree code.
13639 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13641 * configure.ac (target_list): Add install-info, dvi, html.
13642 * configure: Regenerate.
13644 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13645 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13646 treelang/Make-lang.in: Do not use double-colon rules.
13648 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13650 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13651 (TMT_USED_ALONE): New macro.
13652 * tree-pass.h (PROP_tmt_usage): New property.
13653 (TODO_update_tmt_usage): New todo.
13654 * tree-ssa-alias.c (updating_used_alone): New variable.
13655 (recalculate_used_alone): New function.
13656 (compute_may_aliases): Set updating_used_alone, call
13657 recalculate_used_alone.
13658 * tree-sra.c (pass_sra): Note that this pass destroys
13659 PROP_tmt_usage, and add TODO_update_tmt_usage.
13660 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13661 * tree-flow.h (updating_used_alone): Prototype.
13662 (recalculate_used_alone): Ditto.
13663 * passes.c (execute_todo): Add code to set updating_used_alone,
13664 and call recalculate.
13665 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13666 for clobber if used alone, and add assert to verify used_alone
13669 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13671 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13672 for non tls symbols added.
13673 (legitimize_address): Do nothing for PLUS expressions if one of the
13674 addends is a tls symbol reference.
13676 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13680 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13682 * Makefile.in (BOOTSTRAPPING): New.
13683 (quickstrap): New definition if BOOTSTRAPPING=yes.
13685 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13686 * configure.ac: Substitute all_selected_languages with the languages
13687 that were configured. For all the other variables except
13688 lang_specs_files, include all the languages in the tree.
13689 * configure: Regenerate.
13691 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13692 if there is one. Run the commands to run fixincludes in the same
13695 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13696 * doc/install.texi: Document exact conventions for searching target tools.
13697 Document --with-build-time-tools. Document toplevel bootstrap. Document
13698 something more about building an Ada cross-compiler. Don't list GNU Make
13699 requirements which affect all platforms.
13701 2006-02-19 Roger Sayle <roger@eyesopen.com>
13703 PR middle-end/19543
13704 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13705 only equivalent if the have both the same mode and precision.
13707 2006-02-20 Ben Elliston <bje@au.ibm.com>
13709 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13711 2006-02-19 Roger Sayle <roger@eyesopen.com>
13712 Steven Bosscher <stevenb.gcc@gmail.com>
13714 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13715 constant pool references to identify stack mode constants.
13716 * rtlanal.c (constant_pool_constant_p): New predicate to check
13717 whether operand is a floating point constant in the pool.
13718 * rtl.h (constant_pool_constant_p): Prototype here.
13719 * loop.c (scan_loop): Avoid hoisting constants from the constant
13720 pool on STACK_REGS targets.
13721 (load_mems): Likewise.
13722 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13723 loads into x87 registers expensive in terms of register pressure.
13725 2006-02-19 Roger Sayle <roger@eyesopen.com>
13727 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13728 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13730 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13732 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13733 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13735 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13737 * doc/invoke.texi: Document -fipa-pta.
13738 * common.opt: Add ipa-pta option.
13739 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13740 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13741 (do_ds_constraint): Ditto.
13742 (get_constraint_for): Only add to referenced_vars if
13743 referenced_vars exists.
13744 (insert_into_field_list): Rewrite to do this unsorted.
13745 (insert_into_field_list_sorted): Rename old insert_into_field_list
13747 (create_function_info_for): Use insert_into_field_list_sorted.
13748 (create_variable_info_for): Rewrite so it uses unsorted version,
13749 since the field list is sorted.
13750 (intra_create_variable_infos): Only add to referenced_vars if
13751 referenced_vars exists.
13752 (ipa_pta_execute): Init heapvars, and delete when done.
13753 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13755 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13757 * doc/install.texi: Add missing `@samp'.
13759 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13761 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13764 2006-02-18 Mark Wielaard <mark@klomp.org>
13766 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13767 who added new 4.1 features, bug fixes and integration support.
13769 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13772 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13773 MEM for ABI_V4 pic.
13775 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13777 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13778 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13779 (copy_insn_1): Likewise. Don't copy each field individually.
13781 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13783 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13784 * rtl.c (rtx_size): Rename variable to...
13785 (rtx_code_size): ...this.
13786 (rtx_size): New function.
13787 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13788 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13790 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13791 * rtl.h (rtx_code_size): New variable.
13792 (rtx_size): Change from a variable to a function.
13793 (RTX_SIZE): Rename to...
13794 (RTX_CODE_SIZE): ...this.
13797 PR tree-optimization/17106
13798 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13799 (Anchored Addresses): New section.
13800 * doc/invoke.texi (-fsection-anchors): Document.
13801 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13802 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13803 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13804 * hooks.c (hook_bool_mode_rtx_false): New function.
13805 * hooks.h (hook_bool_mode_rtx_false): Declare.
13806 * gengtype.c (create_optional_field): New function.
13807 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13808 SYMBOL_REF_IN_BLOCK_P is true.
13809 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13810 (min_anchor_offset, max_anchor_offset): Likewise.
13811 (use_anchors_for_symbol_p): New hook.
13812 * toplev.c (compile_file): Call output_object_blocks.
13813 (target_supports_section_anchors_p): New function.
13814 (process_options): Check that -fsection-anchors is only used on
13815 targets that support it and when -funit-at-a-time is in effect.
13816 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13817 if the decl doesn't have one.
13818 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13819 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13820 of force_const_mem through use_anchored_address.
13821 (expand_expr_constant): New function.
13822 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13823 calling expand_expr for INDIRECT_REF.
13824 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13825 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13826 * expr.h (use_anchored_address): Declare.
13827 * loop-unroll.c: Don't declare rtx vectors here.
13828 * explow.c: Include output.h.
13829 (validize_mem): Call use_anchored_address.
13830 (use_anchored_address): New function.
13831 * common.opt (-fsection-anchors): New switch.
13832 * varasm.c (object_block_htab, anchor_labelno): New variables.
13833 (hash_section, object_block_entry_eq, object_block_entry_hash)
13834 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13835 (use_blocks_for_decl_p, change_symbol_section): New functions.
13836 (get_variable_section): New function, split out from assemble_variable.
13837 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13838 use_blocks_for_decl_p say so. Use change_symbol_section if the
13839 symbol has already been created.
13840 (assemble_variable_contents): New function, split out from...
13841 (assemble_variable): ...here. Don't output any code for
13842 block symbols; just pass them to place_block_symbol.
13843 Use get_variable_section and assemble_variable_contents.
13844 (get_constant_alignment, get_constant_section, get_constant_size): New
13845 functions, split from output_constant_def_contents.
13846 (build_constant_desc): Create a block symbol if use_object_blocks_p
13847 says so. Or into SYMBOL_REF_FLAGS.
13848 (assemble_constant_contents): New function, split from...
13849 (output_constant_def_contents): ...here. Don't output any code
13850 for block symbols; just pass them to place_section_symbol.
13851 Use get_constant_section and get_constant_alignment.
13852 (force_const_mem): Create a block symbol if use_object_blocks_p and
13853 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13854 (output_constant_pool_1): Add an explicit alignment argument.
13855 Don't switch sections here.
13856 (output_constant_pool): Adjust call to output_constant_pool_1.
13857 Switch sections here instead. Don't output anything for block symbols;
13858 just pass them to place_block_symbol.
13859 (init_varasm_once): Initialize object_block_htab.
13860 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13861 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13862 (place_block_symbol, get_section_anchor, output_object_block)
13863 (output_object_block_htab, output_object_blocks): New functions.
13864 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13865 (TARGET_ASM_OUT): Include it.
13866 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13867 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13868 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13869 (TARGET_INITIALIZER): Include them.
13870 * rtl.c (rtl_check_failed_block_symbol): New function.
13871 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13872 (block_symbol, object_block): New structures.
13873 (rtx_def): Add a block_symbol field to the union.
13874 (BLOCK_SYMBOL_CHECK): New macro.
13875 (rtl_check_failed_block_symbol): Declare.
13876 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13877 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13878 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13879 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13880 * output.h (output_section_symbols): Declare.
13881 (object_block): Name structure.
13882 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13883 (default_use_anchors_for_symbol_p): Declare.
13884 * Makefile.in (RTL_BASE_H): Add vec.h.
13885 (explow.o): Depend on output.h.
13886 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13887 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13888 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13889 (rs6000_use_blocks_for_constant_p): New function.
13891 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13893 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13895 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13898 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13901 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13903 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13907 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13909 PR middle-end/26334
13910 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13911 instead of DECL_REGISTER.
13913 2006-02-18 Olivier Hainque <hainque@adacore.com>
13916 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13918 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13921 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13922 * opth-gen.awk: Handle Var and InverseMask together.
13923 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13924 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13925 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13926 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13928 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13929 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13930 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13931 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13932 LINUX_DYNAMIC_LINKER): Define.
13933 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13934 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13936 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13937 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13938 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13939 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13940 (TARGET_C99_FUNCTIONS): Don't define.
13941 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13942 GLIBC_DYNAMIC_LINKER.
13943 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13944 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13945 GLIBC_DYNAMIC_LINKER64): Define.
13946 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13947 LINUX_DYNAMIC_LINKER64.
13948 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13949 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13950 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13951 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13952 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13953 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13954 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13955 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13956 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13957 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13958 and LINUX_DYNAMIC_LINKER32.
13959 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13960 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13961 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13962 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13963 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13965 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13966 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13967 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13968 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13969 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13970 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13971 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13972 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13973 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13974 LINUX_DYNAMIC_LINKER): Define.
13975 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13976 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13977 GLIBC_DYNAMIC_LINKER64): Define.
13978 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13979 LINUX_DYNAMIC_LINKER64.
13980 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13981 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13982 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13983 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13984 LINUX_DYNAMIC_LINKER): Define.
13985 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13986 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13987 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13988 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13989 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13990 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13991 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13992 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13993 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13994 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13995 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13996 * doc/invoke.texi (-muclibc): Remove caveat about supported
13999 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14001 * doc/cpp.texi (__TIMESTAMP__): Document.
14003 2006-02-17 Roger Sayle <roger@eyesopen.com>
14005 PR middle-end/25600
14006 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14007 C is one less than the width of X (and related transformations).
14008 * simplify-rtx.c (simplify_unary_operation_1): Transform
14009 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14010 depending on STORE_FLAG_VALUE, were C is one less then the
14013 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14015 Fix PR tree-optimization/26341
14016 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14017 about NAME_MEMORY_TAG's.
14019 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14022 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14023 with hardware float support, and software float support. Add fcpy
14024 alternative to hardware patterns. Add alternatives to copy between
14025 general and floating-point registers to the 32-bit pattern.
14026 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14027 secondary reload to load a QI or HI mode constant into a floating
14029 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14030 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14032 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14035 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14037 (load_macho_picbase_di): Likewise.
14039 2006-02-16 Jeff Law <law@redhat.com>
14041 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14042 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14043 (ssa_name_nonzero_p): Likewise.
14044 (get_value_range): Return NULL if VRP is not running.
14045 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14046 VRP routines do not discover a range.
14047 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14048 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14049 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14050 (tree_expr_nonnegative_p): Similarly.
14051 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14052 (restore_nonzero_vars_to_original_value): Remove.
14053 (unsafe_associative_fp_binop): Remove.
14054 (tree_ssa_dominator_optimize): Remove initialization and
14055 finalization of nonzero_vars and nonzero_vars_stack.
14056 (dom_opt_initialize_block): No longer push marker on
14057 nonzero_vars_stack.
14058 (dom_opt_finalize_block): No longer call
14059 restore_nonzero_vars_to_original_value.
14060 (record_equivalences_from_phis): No longer look for
14061 nonzero PHI arguments.
14062 (cprop_into_successor_phis): No longer propagate nonzero
14063 property into PHI arguments. Lose unused argument. Caller
14065 (record_equivalences_from_stmt): No longer record nonzero
14066 values for SSA_NAMEs.
14067 (lookup_avail_expr): No longer use nonzero_vars.
14069 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14070 for sizetype when sizetype is unsigned.
14072 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14074 PR rtl-optimization/25603
14075 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14076 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14077 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14078 with new meaning of SETS.
14080 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14085 * config/linux.opt: New file.
14086 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14087 LINUX_DYNAMIC_LINKER): Define.
14088 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14089 * config.gcc (*-*-linux*): Define extra_options.
14090 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14091 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14092 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14093 GLIBC_DYNAMIC_LINKER.
14094 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14095 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14096 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14097 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14098 * doc/invoke.texi (GNU/Linux Options): New section.
14100 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14102 * config/sparc/sparc.md (setjmp): Rewrite.
14103 (setjmp_32): Delete.
14104 (setjmp_64): Likewise.
14106 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14108 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14111 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14113 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14116 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14118 PR rtl-optimization/26296
14119 * Makefile.in (loop-invariant.c): Add except.h dependency.
14120 * loop-invariant.c: Include except.h.
14121 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14123 2005-02-16 Paul Brook <paul@codesourcery.com>
14125 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14128 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14130 PR rtl-optimization/25636
14131 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14132 when deciding whether an insn is an initializing insn.
14134 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14136 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14137 (tree_code_size): Ditto.
14138 * tree.h (struct tree_memory_tag): Remove parent_var.
14139 (struct tree_struct_field_tag): New.
14142 (union tree_node): Add sft member.
14143 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14145 (create_sft): Add size and offset argument, set SFT_OFFSET and
14147 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14148 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14149 * tree-flow-inline.h (get_subvar_at): Update for
14150 SFT_OFFSET/SFT_SIZE.
14151 (var_can_have_subvars): Ditto.
14152 (overlap_subvar): Ditto.
14153 * print-tree.c (print_node): Print out interesting things for
14155 * tree-flow.h (struct subvar): Remove offset and size members.
14156 * tree-ssa-operands.c (get_expr_operands): Update for
14157 get_indirect_ref_operands changes.
14158 (get_indirect_ref_operands): Call add_virtual_operand instead of
14159 add_stmt_operand. Only recurse on base var if requested.
14160 (access_can_touch_variable): New function.
14161 (add_stmt_operand): Split virtual operand handling into ...
14162 (add_virtual_operand): Here. Add offset, size, and for_clobber
14163 arguments. Prune alias sets.
14164 (add_call_clobber_ops): Call add_virtual_operand.
14166 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14168 PR middle-end/26300
14169 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14171 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14172 than TREE_CODE as index into omp_clause_num_ops array.
14174 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14176 PR rtl-optimization/26184
14177 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14179 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14180 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14181 must_precede, must_follow and tobe_scheduled.
14184 * opts.c (common_handle_option): Free new_option pointer.
14185 * df-core.c (df_analyze): Free postorder pointer.
14187 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14189 * Makefile.in: Fix the examples about the use of stamps
14191 2006-02-15 Michael Matz <matz@suse.de>
14193 PR middle-end/22275
14195 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14196 influenced by maximum_field_alignment or DECL_PACKED.
14197 (update_alignment_for_field): Ditto.
14198 (place_field): Ditto.
14199 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14202 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14204 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14205 (debug_flow_info): Pass it.
14206 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14207 * bb-reorder.c (reorder_basic_blocks): Likewise.
14208 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14209 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14210 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14211 * gcse.c (gcse_main, bypass_jumps): Likewise.
14212 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14213 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14214 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14215 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14216 * rtl.h (dump_flow_info): Adjust prototype.
14217 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14218 * var-tracking.c (variable_tracking_main): Likewise.
14219 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14220 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14223 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14225 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14228 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14230 PR tree-optimization/26209
14231 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14232 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14234 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14236 2006-02-14 Roger Sayle <roger@eyesopen.com>
14238 PR middle-end/23670
14239 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14240 (X,Y) and the corresponding symmetry related transformations.
14241 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14242 (X,Y) and its symmetry related transformations.
14244 2006-02-14 Roger Sayle <roger@eyesopen.com>
14246 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14249 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14251 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14253 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14256 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14257 support COMDAT group.
14258 * configure: Regenerate.
14260 2006-02-14 Roger Sayle <roger@eyesopen.com>
14262 PR middle-end/26279
14263 PR middle-end/26280
14264 PR middle-end/26283
14265 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14267 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14269 Fix PR tree-optimization/26260
14271 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14273 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14274 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14275 * tree-ssa-structalias.c (create_variable_info_for): Use
14276 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14278 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14280 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14282 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14283 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14284 of the ending condition.
14285 * tree-ssa-loop-manip.c: Include params.h.
14286 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14287 tree_unroll_loop): New functions.
14288 * tree-pass.h (pass_loop_prefetch): Declare.
14289 * loop.c (rest_of_handle_loop_optimize): Test for
14290 -fprefetch-loop-arrays-rtl.
14291 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14292 * timevar.def (TV_TREE_PREFETCH): New timevar.
14293 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14294 pass_loop_prefetch): New.
14295 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14296 (cleanup_tree_cfg_loop): Call scev_reset.
14297 * common.opt (fprefetch-loop-arrays-rtl): Add.
14298 * tree-ssa-loop-prefetch.c: New file.
14299 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14300 (new_temp_expr_table): Initialize expr_vars.
14301 (free_temp_expr_table): Cleanup expr_vars.
14302 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14303 expressions from being merged into one.
14304 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14305 (struct tree_niter_desc): Add control, bound and cmp fields.
14306 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14308 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14309 (tree-cfgcleanup.o): Add SCEV_H dependency.
14310 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14311 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14313 2006-02-14 Richard Guenther <rguenther@suse.de>
14315 PR tree-optimization/26258
14316 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14317 in PHI argument processing.
14319 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14321 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14322 new expression in the requested machine mode.
14324 2006-02-13 Roger Sayle <roger@eyesopen.com>
14326 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14327 directly, instead let do_compare_rtx_and_jump handle this for us.
14328 * expr.c (expand_expr_real_1): Likewise.
14329 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14330 before do_jump_by_parts_greater.
14331 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14332 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14334 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14336 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14338 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14340 PR rtl-optimization/26235
14341 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14342 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14345 2006-02-13 Jeff Law <law@redhat.com>
14347 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14350 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14352 PR middle-end/26092
14353 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14354 twice if decl is a builtin. When trying again, call get_callee_fndecl
14355 first to verify it is still a builtin.
14357 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14359 * dwarf2out.c (base_type_die): Don't add AT_name here.
14360 (subrange_type_die): Don't add AT_name here.
14361 (modified_type_die): Rearrange code flow. Do add AT_name here.
14363 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14365 PR rtl-optimization/26247
14366 PR rtl-optimization/26248
14367 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14369 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14371 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14372 * config/fixtfdi.c: Likewise.
14373 * config/fixunstfdi.c: Likewise.
14374 * config/floatditf.c: Likewise.
14376 2006-02-13 Roger Sayle <roger@eyesopen.com>
14378 PR middle-end/24427
14379 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14380 into (X,C2) if C1 is a subset of the bits of C2. Transform
14381 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14383 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14385 2006-02-13 Josh Conner <jconner@apple.com>
14388 * varasm.c (function_section): Check for section name before
14389 calling select_section on targets that define
14390 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14391 unlikely_text_section instead of hot_function_section if
14392 first_function_block_is_cold.
14394 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14396 PR middle-end/25335
14397 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14399 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14401 PR rtl-optimization/26222
14402 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14403 after tree->rtl expansion.
14404 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14405 before passing it to emit_move_insn.
14407 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14409 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14411 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14412 Clarify documentation.
14413 * c-common.h (warn_write_strings): Remove.
14414 * c-common.c (warn_write_strings): Likewise.
14415 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14418 2006-02-12 Roger Sayle <roger@eyesopen.com>
14420 PR middle-end/25724
14421 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14422 (do_jump_parts_zero_rtx): New function renamed from
14423 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14424 (do_jump_parts_equality_rtx): New function split out from
14425 do_jump_parts_equality. Old implementation renamed as above.
14426 Call do_jump_parts_zero_rtx if either operand is zero.
14427 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14428 do all of the heavy lifting.
14429 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14430 calling either do_jump_by_parts_greater_rtx or
14431 do_jump_by_parts_equality_rtx.
14432 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14433 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14434 moved to do_compare_rtx_and_jump, call it directly.
14435 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14436 mode argument. Call do_compare_rtx_and_jump.
14437 (emit_case_nodes): Update calls to do_jump_if_equal.
14439 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14441 PR rtl-optimization/26225
14442 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14444 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14446 PR rtl-optimization/26232
14447 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14449 2006-02-11 Jason Merrill <jason@redhat.com>
14452 * tree-inline.c (declare_return_variable): Just don't use the
14453 modify target if it's a gimple complex reg and the return slot
14456 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14458 * doc/contrib.texi: Update my entry.
14460 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14462 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14464 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14466 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14469 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14471 * doc/invoke.texi (-floop-optimize2): Removed.
14472 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14473 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14474 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14475 * common.opt (floop-optimize2): Removed.
14476 (fmove-loop-invariants): Enabled by default.
14478 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14480 * tree-if-conv.c (combine_blocks): Free the result of
14481 get_loop_exit_edges.
14483 2006-02-10 Jeff Law <law@redhat.com>
14485 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14487 PR tree-optimization/26213
14488 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14489 loop trying to follow SSA_NAME_VALUE chains.
14491 2006-02-10 Richard Guenther <rguenther@suse.de>
14493 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14494 deal with structures that end in implicitly variable sized arrays.
14496 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14498 PR rtl-optimization/24762
14499 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14502 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14504 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14505 (struct ivopts_data): Add regs_used field.
14506 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14507 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14508 instead of loop_data->regs_used;
14509 (free_loop_data): Do not free aux fields for loops.
14510 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14511 and tree_ssa_iv_optimize_finalize.
14513 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14515 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14517 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14520 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14521 computing the effective result type.
14523 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14525 PR inline-asm/16194
14526 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14527 (tree_overlaps_hard_reg_set): Declare.
14528 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14529 type and signature to match function type expected by walk_tree.
14530 (tree_overlaps_hard_reg_set): New function.
14531 (decl_conflicts_with_clobbers_p): Rename to:
14532 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14533 Use tree_overlaps_hard_reg_set. Changed caller.
14534 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14535 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14536 * cris.c (cris_md_asm_clobbers): Likewise.
14538 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14540 * reload1.c (emit_input_reload_insns): Delete code that tries to
14541 inherit using find_equiv_reg.
14543 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14545 * c-common.h (flag_const_strings): Don't declare.
14546 * c-common.c (flag_const_strings): Remove.
14547 * c.opt (fconst_strings): Remove.
14548 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14549 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14550 (c_common_init_options): Don't set flag_const_strings.
14551 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14553 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14555 * arm.md (tlobits_cbranch): New pattern.
14556 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14557 testing a single bit.
14559 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14562 * tree-ssa-pre.c (create_component_ref_by_pieces):
14563 Handle RETURN_DECL like VAR_DECL.
14565 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14567 PR middle-end/26134
14568 * fold-const.c (fold_indirect_ref_1): Fold
14569 "*(foo *)&complexfoo" to "__real__ complexfoo"
14570 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14572 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14574 * tree-flow-inline.h (var_can_have_subvars):
14575 Volatile variables should not have subvariables.
14577 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14580 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14581 multiplying unsigned values.
14584 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14586 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14588 2006-02-08 Jason Merrill <jason@redhat.com>
14591 * tree.def: Elaborate on difference from MODIFY_EXPR.
14592 * doc/c-tree.texi (INIT_EXPR): Likewise.
14593 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14594 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14595 (gimplify_target_expr): Likewise.
14596 (gimplify_cond_expr): Remove target handling.
14597 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14598 (gimplify_expr): Clobber it here.
14599 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14600 Do return slot optimization if we have an INIT_EXPR.
14603 * tree-inline.c (declare_return_variable): Also clear
14604 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14607 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14609 PR middle-end/22439
14610 * gimplify.c (gimplify_one_sizepos): Fix typo.
14612 2006-02-08 Jeff Law <law@redhat.com>
14614 PR tree-optimization/21417
14615 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14616 across a backedge if the control statement at the end of the
14617 block is data dependent on other statements in the same block.
14618 (record_temporary_equivalences_from_stmts): Remove over-conservative
14619 test for threading across backedges.
14621 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14622 control statement, handle all three special cases in the same
14623 manner as they all have the same desired solution. No longer
14624 special case edge flag updating when the post dominator is
14627 2006-02-08 Roger Sayle <roger@eyesopen.com>
14629 * tree.def (CHAR_TYPE): Remove.
14630 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14631 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14632 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14633 (gen_string_type_die): Delete unreachable function.
14635 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14636 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14637 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14638 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14639 * builtins.c (type_to_class): Likewise.
14640 * fold-const.c (fold_convert, build_range_check,
14641 merge_ranges): Likewise.
14642 * expr.c (count_type_elements): Likewise.
14643 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14644 * stor-layout.c (layout_type): Likewise.
14645 * ipa-type-escape.c (type_to_consider): Likewise.
14646 * gimplify.c (omp_firstprivatize_type_sizes,
14647 gimplify_type_sizes): Likewise.
14648 * explow.c (promote_mode): Likewise.
14649 * tree-sra.c (is_sra_scalar_type): Likewise.
14650 * varasm.c (output_constant): Likewise.
14651 * tree-inline.c (remap_type_1): Likewise.
14652 * convert.c (convert_to_pointer, convert_to_real,
14653 convert_to_integer, convert_to_complex): Likewise.
14655 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14657 * df-scan.c (df_def_record_1): A set destination may
14658 be a parallel regardless of mode.
14660 2006-02-08 Roger Sayle <roger@eyesopen.com>
14663 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14664 * config/mips/_tilib.c: Remove.
14665 * config/fixtfdi.c: New libgcc source file.
14666 * config/fixunstfdi.c: New source file.
14667 * config/floatditf.c: New source file.
14668 * config/floatunditf.c: New souce file.
14669 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14670 files above instead of config/mips/_tilib.c.
14671 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14673 2006-02-08 Jeff Law <law@redhat.com>
14675 PR tree-optimization/26169
14676 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14679 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14681 * df.h (DF_REG_SIZE): Return the length of the initialized
14684 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14686 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14687 __muldf3): Return a correctly signed zero.
14689 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14691 * passes.c (register_one_dump_file): Accept the current properties
14692 instead of pass number. Adjust call to dump_register. Remove
14694 (register_dump_files): Now a wrapper around...
14695 (register_dump_files_1): ... this one. Do not modify the pass
14697 (next_pass_1): Cosmetic fix.
14698 (execute_todo): Keep second parameter only. Use curr_properties
14699 instead of fetching it from the pass structure. Check and set
14701 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14702 instead of fetching it from the pass structure. Fix calls to
14703 execute_todo. Update curr_properties and initialize .vcg RTL dump
14704 after running the pass. Reset last_verified.
14705 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14707 (FIRST_AUTO_NUMBERED_DUMP): New.
14708 (dump_register): Remove "num" parameter, assign it within the
14710 (get_dump_file_name): Modify template for dumps.
14711 * tree-dump.h (dump_register): Adjust prototype.
14712 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14713 (PROP_trees): Add PROP_gimple_lomp.
14714 (TODO_set_props): New.
14715 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14716 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14717 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14719 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14721 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14722 (sparc64-*-linux*): Likewise.
14723 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14724 * config/sparc/t-linux: New file.
14725 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14726 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14727 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14728 -m32 -mlong-double-128.
14730 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14731 * config/alpha/t-linux: New file.
14732 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14734 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14735 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14736 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14737 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14738 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14739 (CPP_ARCH32_SPEC): Remove.
14741 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14743 PR tree-optimization/26145
14744 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14747 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14750 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14751 >= 240000 when generating code for SOM runtime.
14752 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14753 to $$dyncall when generating code for SOM runtime..
14755 2006-02-07 Dirk Mueller <dmueller@suse.com>
14758 * doc/invoke.texi (-Wsequence-point): Update documentation
14759 that -Wsequence-point is implemented for C++ as well.
14761 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14763 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14764 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14765 (LIB_SPEC): Likewise.
14766 * doc/invoke.texi (SPARC options): Document -pthread.
14768 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14770 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14773 2006-02-07 Roger Sayle <roger@eyesopen.com>
14775 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14776 Correct comment describing BOOLEAN_TYPE.
14778 2006-02-07 Dirk Mueller <dmueller@suse.com>
14780 * c.opt: C++ frontend supports -Wdiv-by-zero.
14781 * c-opts.c (c_common_handle_option): Remove dead case.
14783 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14785 * configure.ac (TLS assembler check): Do not enable TLS by
14786 default on SPARC/Solaris before version 10.
14787 * configure: Regenerate.
14789 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14791 * doc/invoke.texi (xl-compat): Document conversion and support
14794 2006-02-07 Jeff Law <law@redhat.com>
14796 * tree-vrp.c (find_conditional_asserts): Update comments.
14797 (simplify_stmt_for_jump_threading): New.
14798 (identify_jump_threads, finalize_jump_threads): New.
14799 (vrp_finalize): Call identify_jump_threads.
14800 (execute_vrp): Call finalize_jump_threads.
14801 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14802 (vrp_element, vrp_data, vrp_element_p): Remove.
14803 (vrp_hash_elt, vrp_variables_stack): Remove.
14804 (vrp_hash, vrp_eq, record_range): Remove.
14805 (simplify_cond_and_lookup_avail_expr): Remove.
14806 (extract_range_from_cond): Remove.
14807 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14808 (simplify_stmt_for_jump_threading): New.
14809 (dom_thread_across_edge): New wrapper.
14810 (tree_ssa_dominator_optimize): No longer initialize or
14811 finalize any of the VRP datastructures. Remove iteration
14812 step and simplify as a result of removal of iteration step.
14813 (pass_dominator): Perform a cfg cleanup after DOM.
14814 (dom_opt_finalize_block): Use the new common routines
14815 for threading jumps. Simplify stack management slightly.
14816 No longer need to unwind VRP state.
14817 (record_equivalences_from_incoming_edge): No longer record
14819 (eliminate_redundant_computations): No longer call
14820 simplify_cond_and_lookup_avail_expr.
14821 * tree-flow.h (potentially_threadable_block): Prototype.
14822 (thread_across_edge): Likewise.
14823 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14824 (tree-ssa-threadedge.o): Add dependencies.
14825 * tree-ssa-threadedge.c: New file.
14826 * passes.c (init_optimization_passes): Merge PHIs before
14827 calling VRP. Run VRP again late in the SSA optimization pipeline.
14829 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14831 * df-core.c (df_set_blocks): Do not dereference function pointers.
14832 (df_finish1): Likewise.
14833 (df_hybrid_search_forward): Likewise.
14834 (df_hybrid_search_backward): Likewise.
14835 (df_iterative_dataflow): Likewise.
14836 (df_analyze_problem): Likewise.
14837 (df_compact_blocks): Likewise.
14838 (df_dump): Likewise.
14839 * df-scan.c (df_rescan_blocks): Likewise.
14840 (df_record_entry_block_defs): Likewise.
14842 * genconditions.c (write_conditions): Guard the definition of
14843 'insn_conditions' with the check on GCC version.
14844 (write_writer): Guard the traversal 'insn_conditions' with
14845 the check on GCC version.
14847 2006-02-07 Richard Guenther <rguenther@suse.de>
14851 2006-01-30 Richard Guenther <rguenther@suse.de>
14853 * gimplify.c (gimplify_target_expr): Handle easy cases
14854 without creating a temporary.
14856 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14858 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14859 use of float in probability computations. Use edge probabilities
14860 in place of statically computed probabilities.
14861 (min_spec_prob): New static variable.
14862 (schedule_insns): Initialize it.
14863 (GET_SRC_PROB): Removed.
14864 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14866 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14869 * config/ia64/unwind-ia64.c: Revert last change.
14870 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14871 (INCOMING_FRAME_SP_OFFSET): Define.
14873 2006-02-06 Roger Sayle <roger@eyesopen.com>
14875 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14877 2006-02-07 Ben Elliston <bje@au.ibm.com>
14879 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14880 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14881 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14882 (ix86_return_in_memory): Handle TDmode.
14883 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14884 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14886 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14888 * reorg.c (dbr_schedule): Use dump_file instead of file.
14890 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14893 * config/ia64/predicates.md (extr_len_operand): New predicate.
14894 * config/ia64/ia64.md (extv): Tighten constraints.
14896 (*tbit_and_2): Ditto.
14897 (*tbit_and_3): Ditto.
14898 (*tbit_or_2): Ditto.
14899 (*tbit_or_3): Ditto.
14900 (*bit_zero): Ditto.
14903 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14906 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14908 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14910 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14911 loop_optimizer_init and loop_optimizer_finalize
14912 * tree-ssa-sink.c (execute_sink_code): Ditto.
14913 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14914 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14915 tree_ssa_loop_done): Ditto.
14916 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14917 * sched-ebb.c: Include output.h.
14918 (schedule_ebbs): Do not use dump argument.
14919 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14920 * loop.c (loop_dump_stream): Removed.
14921 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14923 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14924 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14925 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14926 loop_iterations, strength_reduce, record_biv, record_giv,
14927 final_giv_value, check_final_value, check_ext_dependent_givs,
14928 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14929 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14930 dump_file instead of loop_dump_stream.
14931 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14932 argument dump_file.
14933 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14935 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14936 * haifa-sched.c: Include output.h
14937 (schedule_insns, sched_init): Do not use dump argument.
14938 * mode-switching.c (optimize_mode_switching): Ditto.
14939 * modulo-sched.c (stats_file): Removed.
14940 (print_node_sched_params): Do not call argument dump_file.
14941 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14942 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14944 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14946 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14947 rtl_loop_init, rtl_loop_done): Ditto.
14948 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14949 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14951 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14952 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14953 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14954 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14955 * emit-rtl.c (renumber_insns): Ditto.
14956 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14957 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14958 * regclass.c (regclass): Ditto.
14959 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14960 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14961 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14962 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14964 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14965 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14967 * gcse.c (gcse_file, debug_stderr): Removed.
14968 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14969 rest_of_handle_gcse): Do not use dump argument.
14970 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14971 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14972 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14973 compute_code_hoist_vbeinout, compute_code_hoist_data,
14974 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14975 compute_store_table, build_store_vectors, insert_insn_start_bb,
14976 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14977 store_motion): Use dump_file instead of gcse_file.
14978 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14979 * profile.c (profile_dump_file): Removed.
14980 (branch_prob): Use dump_file instead of profile_dump_file.
14981 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14983 * tree-ssa-copy.c (dump_copy_of): Ditto.
14984 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14985 dump file to life_analysis.
14986 * bt-load.c (branch_target_load_optimize): Ditto.
14987 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14989 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14990 regclass, dbr_schedule): Declaration changed.
14991 * sched-int.h (sched_init): Declaration changed.
14992 * tree-profile.c (tree_profile_dump_file): Removed.
14993 (tree_profile_hooks): Removed profile_dump_file hook.
14994 * rtl-profile (rtl_profile_dump_file): Removed.
14995 (rtl_profile_hooks): emoved profile_dump_file hook.
14996 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14998 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14999 * tree-cfg.c (build_tree_cfg): Ditto.
15000 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15001 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15002 Declaration changed.
15003 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15004 life_analysis and schedule_insns.
15005 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15007 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15009 * config/mips/mips.c (mips_reorg): Ditto.
15010 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15013 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15015 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15016 (s390_mangle_fundamental_type): New.
15017 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15020 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15021 (alpha_mangle_fundamental_type): New.
15022 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15025 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15027 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15029 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15030 (sparc_mangle_fundamental_type): New.
15032 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15034 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15035 (s390x-*-linux*): Likewise.
15036 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15037 * config/s390/t-linux: New file.
15039 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15041 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15042 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15044 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15046 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15047 (ANTIC_SAFE_LOADS): New macro.
15048 (find_or_generate_expression): Add prototype.
15049 (set_contains_value): Allow null set for sake of not always having
15050 to allocate ANTIC_SAFE_LOADS.
15051 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15052 Allow COMPONENT_REF too.
15053 (valid_in_set): Allow COMPONENT_REF.
15054 Check ANTIC_SAFE_LOADS too.
15055 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15056 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15058 (can_PRE_operation): Add COMPONENT_REF.
15059 (create_component_ref_by_pieces): New function.
15060 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15061 (insert_aux): Move AGGREGATE_TYPE_P check here.
15062 (compute_avail): Set bb local stmt uids.
15063 (pass_pre): Use TODO_update_ssa_only_virtuals.
15065 2006-02-06 Ben Elliston <bje@au.ibm.com>
15067 * configure.ac: Unconditionally disable decimal float by default.
15068 * configure: Regenerate.
15070 2006-02-06 Ben Elliston <bje@au.ibm.com>
15072 * read-rtl.c (read_name): Terminate reading on EOF.
15074 2006-02-06 Ben Elliston <bje@au.ibm.com>
15076 * dfp.c (decimal_real_arithmetic): Change second argument type
15077 from int to enum tree_code. Do not always return true, but now
15078 return result of any call to decimal_do helper functions.
15079 * dfp.h (decimal_real_arithmetic): Update prototype.
15081 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15083 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15085 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15088 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15091 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15093 * tree-vrp.c (cfg_loops): Removed.
15094 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15095 Use current_loops instead of cfg_loops. Pass flags to
15096 loop_optimizer_init.
15097 * cfgloopmanip.c (fix_loop_structure): Update only available
15099 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15100 loop_optimizer_init.
15101 * modulo-sched.c (build_loops_structure): Removed.
15102 (sms_schedule): Use loop_optimizer_init.
15103 * loop-init.c (loop_optimizer_init): Use flags to determine
15104 which properties of loops to prepare.
15105 (rtl_loop_init): Pass flags to loop_optimizer_init.
15106 * tree-ssa-sink.c (execute_sink_code): Ditto.
15107 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15108 * tree-ssa-pre.c (init_pre): Ditto.
15109 * cfgloop.h (LOOPS_NORMAL): New.
15110 (loop_optimizer_init): Declaration changed.
15112 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15114 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15115 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15117 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15119 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15121 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15122 * pa/t-pa64: Delete quadlib.c rule.
15123 * pa/x-ada: Revert last change.
15124 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15126 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15128 PR rtl-optimization/26087
15129 * rtlanal.c (canonicalize_condition): Do not cross basic block
15132 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15135 * config/ia64/ia64.c: Include debug.h.
15136 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15137 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15138 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15139 (process_epilogue, process_set, process_for_unwind_directive):
15140 Output unwind info only if requested. Add CFA info if requested.
15141 Add new arguments as needed. Adjust callers.
15142 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15144 (DWARF2_FRAME_INFO): Define to zero.
15145 * config/ia64/unwind-ia64.c: Remove code that compensated for
15146 the CFA offset error fixed above.
15147 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15148 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15149 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15150 -funwind-tables and -fexceptions to enable frame info.
15151 (dwarf2out_frame_init): Define initial CFA even if
15152 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15153 DWARF2_UNWIND_INFO is nonzero, not just defined.
15154 (dwarf2out_frame_finish): Output non-EH call frame info only
15155 if DWARF2_FRAME_INFO is nonzero.
15156 (convert_cfa_to_loc_list,
15157 compute_frame_pointer_to_cfa_displacement): Define even if
15158 unwind info is not supported.
15159 (gen_subprogram_die): Use the above unconditionally. Remove
15160 legacy alternate code.
15161 * toplev.c (compile_file): Compile in call to
15162 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15163 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15165 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15166 Jakub Jelinek <jakub@redhat.com>
15168 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15169 IBM extended float format long double as "g" on powerpc*-linux.
15171 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15174 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15175 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15177 2006-02-03 Jason Merrill <jason@redhat.com>
15180 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15182 PR middle-end/25977
15183 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15184 on the return slot if it's an NRV.
15186 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15188 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15189 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15190 rewrite_use): Do not handle USE_OUTER.
15191 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15192 add_iv_outer_candidates, may_replace_final_value,
15193 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15194 (find_interesting_uses_op): Functionality of
15195 find_interesting_uses_outer_or_nonlin moved here.
15196 (find_interesting_uses_outside): Use find_interesting_uses_op.
15198 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15201 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15203 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15204 Ulrich Weigand <uweigand@de.ibm.com>
15207 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15208 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15209 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15210 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15212 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15213 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15214 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15215 Define secondary reloads for TFmode moves.
15216 (constant_modes): Add TFmode.
15217 (NR_C_MODES): Set to 8.
15218 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15220 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15221 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15222 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15223 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15224 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15225 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15226 (FPR mode macro): Add TFmode.
15227 (DSF mode macro): New.
15228 (<de>, <dee> mode attributes): Removed.
15229 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15230 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15231 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15232 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15233 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15234 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15235 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15236 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15237 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15238 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15239 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15240 "*negabs<mode>2", "sqrt<mode>2"):
15241 Changed <de> to <xde>. R constraint replaced by <Rf>.
15242 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15244 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15245 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15246 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15248 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15249 "extenddftf2", "extendsftf2"): New expanders.
15250 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15251 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15252 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15253 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15255 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15256 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15257 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15258 __floatditf): Add a GCC_4.1.0 symbol version tag.
15259 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15262 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15265 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15266 Use targetm.binds_local_p instead of TREE_PUBLIC.
15268 2006-02-02 Roger Sayle <roger@eyesopen.com>
15270 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15271 on INTEGER_TYPEs to indicate that it denotes a character type.
15272 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15273 signed_char_type_node, unsigned_char_type_node and char_type_node.
15274 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15275 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15276 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15278 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15279 Daniel Berlin <dberlin@dberlin.org>
15281 * tree-tailcall.c (arg_needs_copy_p): New function.
15282 (eliminate_tail_call): Use arg_needs_copy_p.
15283 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15284 (add_virtual_phis): New function.
15286 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15288 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15289 #ignore instead of #scratch for %g7 .register directive.
15291 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15293 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15296 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15298 * flow.c (calculate_global_regs_live): Assert that there aren't any
15301 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15303 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15304 what its name says.
15305 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15306 bsi_after_labels iterator.
15307 * tree-if-conv.c (find_phi_replacement_condition,
15308 replace_phi_with_cond_modify_expr): Likewise.
15309 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15310 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15312 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15314 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15316 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15319 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15320 array after growing it.
15322 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15324 PR middle-end/24901
15325 * fold-const.c (fold_checksum_tree): Change type of buf.
15327 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15329 * reload.c (push_secondary_reload): Initialize t_icode.
15331 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15333 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15334 -msoft-float -mlong-double-128 only issue a warning, but don't
15335 swich to DFmode long double.
15337 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15339 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15340 has a constant equivalent, iterate over equivalents for arg0,
15341 calling simplify_relational_operation and if there's a result
15342 cheaper than X, apply fold_rtx and return the result.
15344 2006-02-01 Jan Hubicka <jh@suse.cz>
15346 * opts.c (no_unit_at_a_time_default): New global variable.
15347 (decode_options): Use it.
15348 * opts.h (no_unit_at_a_time_default): Declare.
15350 2006-02-01 Paul Brook <paul@codesourcery.com>
15352 * function.c (assign_parm_setup_reg): Use function argument promotion
15354 * expr.c (expand_expr_real_1): Use function argument promotion rules
15357 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15359 * gcc.c (process_command): Change j to 'unsigned int'.
15361 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15363 PR middle-end/26001
15364 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15365 Use the corrected index for the character
15366 out of the string constant.
15368 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15370 * mode-switching.c (optimize_mode_switching): Fix size
15371 allocated for bb_info[n_entities].
15373 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15375 * gcc.c (main): Correct type that is allocated for
15376 explicit_link_files.
15378 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15380 * config/s390/s390.c (init_alignment_context): Set
15381 ALIAS_SET_MEMORY_BARRIER on the MEM.
15382 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15384 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15386 PR middle-end/25933
15387 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15389 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15392 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15394 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15395 * regrename.c: Ditto.
15396 * tree-ssa-loop-im.c: Ditto.
15397 * tree-dump.c: Ditto.
15398 * tree-complex.c: Ditto.
15399 * genrecog.c: Ditto.
15400 * tree-ssa-threadupdate.c: Ditto.
15402 * java/class.c: Ditto.
15403 * java/jcf-parse.c: Ditto.
15404 * java/resource.c: Ditto.
15405 * java/except.c: Ditto.
15406 * java/jvspec.c: Ditto.
15407 * java/jcf-write.c: Ditto.
15408 * java/jcf-path.c: Ditto.
15409 * java/gjavah.c: Ditto.
15410 * java/zextract.c: Ditto.
15411 * java/jcf-io.c: Ditto.
15412 * java/jcf.h: Ditto.
15413 * java/buffer.c: Ditto.
15414 * java/lang.c: Ditto.
15415 * java/parse-scan.y: Ditto.
15416 * java/lex.c: Ditto.
15417 * java/lex.h: Ditto.
15418 * cfgloopmanip.c: Ditto.
15419 * postreload-gcse.c: Ditto.
15420 * tree-ssa-loop-manip.c: Ditto.
15421 * postreload.c: Ditto.
15422 * tree-ssa-loop-ch.c: Ditto.
15425 * cppspec.c: Ditto.
15426 * diagnostic.c: Ditto.
15428 * genoutput.c: Ditto.
15430 * cfghooks.c: Ditto.
15431 * cfgloopanal.c: Ditto.
15432 * objc/objc-act.c: Ditto.
15434 * genextract.c: Ditto.
15435 * genautomata.c: Ditto.
15436 * pretty-print.c: Ditto.
15437 * genemit.c: Ditto.
15438 * cgraphunit.c: Ditto.
15440 * df-scan.c: Ditto.
15441 * haifa-sched.c: Ditto.
15442 * dominance.c: Ditto.
15444 * tree-ssa-loop-ivopts.c: Ditto.
15445 * df-core.c: Ditto.
15446 * mode-switching.c: Ditto.
15447 * modulo-sched.c: Ditto.
15449 * ipa-pure-const.c: Ditto.
15451 * fix-header.c: Ditto.
15453 * tree-stdarg.c: Ditto.
15454 * ipa-utils.c: Ditto.
15455 * loop-init.c: Ditto.
15456 * ipa-inline.c: Ditto.
15457 * cfganal.c: Ditto.
15459 * alloc-pool.c: Ditto.
15460 * dwarf2out.c: Ditto.
15462 * genattrtab.c: Ditto.
15463 * tree-ssa-loop-ivcanon.c: Ditto.
15464 * predict.c: Ditto.
15465 * timevar.c: Ditto.
15467 * fortran/gfortranspec.c: Ditto.
15468 * regmove.c: Ditto.
15469 * local-alloc.c: Ditto.
15470 * langhooks.c: Ditto.
15471 * function.c: Ditto.
15472 * tree-vectorizer.c: Ditto.
15474 * ipa-type-escape.c: Ditto.
15476 * tree-if-conv.c: Ditto.
15477 * profile.c: Ditto.
15479 * tree-data-ref.c: Ditto.
15480 * loop-unroll.c: Ditto.
15481 * treelang/treetree.c: Ditto.
15483 * bt-load.c: Ditto.
15484 * ggc-common.c: Ditto.
15486 * coverage.c: Ditto.
15488 * tree-cfgcleanup.c: Ditto.
15489 * tree-ssa-pre.c: Ditto.
15490 * cfgcleanup.c: Ditto.
15491 * loop-invariant.c: Ditto.
15492 * loop-iv.c: Ditto.
15493 * ipa-prop.c: Ditto.
15494 * print-tree.c: Ditto.
15495 * conflict.c: Ditto.
15496 * ggc-page.c: Ditto.
15497 * sched-deps.c: Ditto.
15498 * regclass.c: Ditto.
15499 * tree-object-size.c: Ditto.
15500 * combine.c: Ditto.
15501 * bb-reorder.c: Ditto.
15502 * resource.c: Ditto.
15503 * var-tracking.c: Ditto.
15504 * cfgloop.c: Ditto.
15505 * df-problems.c: Ditto.
15506 * reg-stack.c: Ditto.
15508 * gccspec.c: Ditto.
15509 * sched-rgn.c: Ditto.
15510 * tree-ssa-structalias.c: Ditto.
15511 * tree-ssa-reassoc.c: Ditto.
15512 * config/darwin-c.c: Ditto.
15513 * config/darwin.c: Ditto.
15514 * config/arm/arm.c: Ditto.
15516 * collect2.c: Ditto.
15517 * reload1.c: Ditto.
15519 2006-01-31 Nicolas Pitre <nico@cam.org>
15521 * arm.md (smaxsi3): Make aware of smax_m1.
15524 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15526 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15528 2006-01-31 Richard Guenther <rguenther@suse.de>
15530 * doc/invoke.texi (-msselibm): Document.
15531 * target.h (expand_library_builtin): New target hook.
15532 * builtins.c (expand_builtin): Use expand_library_builtin.
15533 (default_expand_library_builtin): New function.
15534 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15535 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15536 (link_gcc_math_spec): Declare.
15537 (static_specs): Add link_gcc_math_spec.
15538 * expr.h (default_expand_library_builtin): Declare.
15539 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15540 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15541 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15542 * config/i386/i386.opt (msselibm): New target option.
15543 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15544 (ix86_init_sse_abi_builtins): New function.
15545 (ix86_expand_library_builtin): Likewise.
15546 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15547 (override_options): Handle error conditions wrt -msselibm.
15548 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15549 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15550 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15553 2006-01-31 Richard Guenther <rguenther@suse.de>
15554 Paolo Bonzini <bonzini@gnu.org>
15556 * doc/install.texi (--disable-libgcc-math): Document.
15558 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15560 * expr.h (expand_normal): new inline function.
15561 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15562 * dojump.c: use it.
15563 * dwarf2out.c: use it.
15566 * expmed.c: use it.
15567 * except.c: use it.
15568 * config/sparc/sparc.c: use it.
15569 * config/i386/i386.c: use it.
15570 * config/rs6000/rs6000.c: use it.
15571 * config/arm/arm.c: use it.
15572 * config/mips/mips.c: use it.
15573 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15575 2006-01-30 Roger Sayle <roger@eyesopen.com>
15577 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15578 argv to the appropriate type.
15580 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15582 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15585 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15588 * config/s390/s390.c (struct machine_function): New flag
15589 decomposed_literal_pool_addresses_ok_p.
15590 (s390_reorg): Set it before final stage of literal pool transforms.
15591 (s390_decompose_address): Only accept displacements of the form
15592 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15594 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15596 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15597 the comparison routine return.
15599 2006-01-30 Michael Matz <matz@suse.de>
15601 * global.c (find_reg): Only evict for global regs.
15602 Take n_refs into account and dump more info.
15604 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15607 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15608 (pragma_trap, pragma_nosave_low_regs): Likewise.
15609 (current_function_anonymous_args): Likewise.
15610 (sh_deferred_function_attributes): New variable.
15611 (sh_deferred_function_attributes_tail): Likewise.
15612 (print_operand): For '@', look up trap_exit attribute.
15613 (calc_live_regs): Look up trapa_handler attribute. For trapa
15614 handlers, save/restore fpscr, but don't do any other
15615 interrupt-specific saves.
15616 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15617 Fix check for partially saved registers to check for SHmedia.
15618 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15619 (sh_output_function_epilogue): Don't clear any of the removed
15621 (sh_insert_attributes): Don't check pragma_interrupt.
15622 Insert deferred attributes. Check that interrupt attribute is
15623 present for other attributes that require its presence.
15624 (sh_attribute_table): Add new attributes trapa_handler and
15626 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15627 Don't check for pragma_interrupt. Don't store argument.
15628 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15629 (sh_deferred_function_attributes): Declare.
15630 (sh_deferred_function_attributes_tail): Likewise.
15631 * sh.md (sp_switch_1): Add operand. Change generator caller.
15632 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15633 (*return_i): Don't use when trap_exit attribute is in effect.
15634 (*return_trapa): New insn pattern.
15635 * sh-c.c: New file.
15636 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15637 setting c_target_objs and cxx_target_objs.
15638 * t-sh: Add rule for sh-c.o.
15640 2006-01-30 Richard Guenther <rguenther@suse.de>
15643 * gimplify.c (gimplify_target_expr): Handle easy cases
15644 without creating a temporary.
15646 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15648 * vec.h (safe_grow): Remove duplicated line.
15650 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15653 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15654 (expand_omp): ... here.
15655 (expand_omp_parallel): Only remove barriers for combined
15656 parallel+workshare constructs.
15658 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15662 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15663 * tree.c (build_qualified_type): Chain the new type to the original
15664 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15665 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15666 (build_pointer_type_for_mode): Only return unqualified types.
15667 (build_reference_type_for_mode): Likewise.
15669 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15671 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15672 * Makefile.in (CXX_COMPAT_WARN): Define.
15673 * configure: Regenerate.
15675 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15678 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15681 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15683 * toplev.c: Fix thinko.
15685 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15686 Marcin Dalecki <martin@dalecki.de>
15688 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15689 (push_srcloc): Use XNEW.
15690 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15692 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15694 * df-core.c (df_set_blocks): Deleted all variable.
15696 2006-01-28 Ian Lance Taylor <ian@airs.com>
15698 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15699 cgraph_output_pending_asms.
15701 2006-01-28 Zack Weinberg <zackw@panix.com>
15703 * c.opt: Add -W(no-)overlength-strings.
15704 * doc/invoke.texi: Document it.
15705 * c-opts.c (c_common_handle_option): -pedantic implies
15706 -Woverlength-strings, if not explicitly disabled already.
15707 (c_common_post_options): -Woverlength-strings defaults to off, and
15708 is always off for C++.
15709 * c-common.c (fix_string_type): Issue warning about strings longer
15710 than is portable only if warn_overlength_strings. Rearrange code
15711 a little for clarity.
15712 * configure.in: Check for -Wno-overlength-strings as well before
15713 enabling -pedantic in stage 1.
15714 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15715 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15717 * genconditions.c (write_header, write_one_condition)
15718 (write_conditions, write_writer): Consolidate very long strings
15719 that were broken up to fit in C89 portable limit. Don't use
15720 printf when fputs will do.
15722 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15724 * combine.c (simplify_comparison <AND>): Check
15725 TRULY_NOOP_TRUNCATION before start using a subreg.
15727 * config/mips/mips.md (*branch_zero<mode>,
15728 *branch_zero<mode>_inverted, *branch_equality<mode>,
15729 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15730 Remove mode check from comparisons.
15732 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15734 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15736 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15738 * expmed.c (const_mult_add_overflow_p): Remove.
15739 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15741 * recog.c (validate_replace_rtx_subexp): Remove.
15742 * recog.h: Remove the prototype for
15743 validate_replace_rtx_subexp.
15745 * integrate.h: Remove the prototype for
15746 copy_decl_for_inlining.
15747 * rtl.h: Remove the prototype for mark_constant_function.
15748 * tree-vectorizer.h: Remove the prototype for
15749 vect_strip_conversion.
15751 * modulo-sched.c (create_partial_schedule,
15752 free_partial_schedule, reset_partial_schedule): Make them
15755 * hooks.c (hook_bool_rtx_int_false): Remove.
15756 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15758 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15760 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15761 and -mlong-double-128 are incompatible.
15762 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15763 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15764 (TARGET_LIBGCC2_CFLAGS): Define.
15765 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15766 (TARGET_LIBGCC2_CFLAGS): Same.
15767 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15769 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15772 * c-typeck.c (build_binary_op): Perform implicit casts of
15773 operands before shortening them.
15775 * cfgloopmanip.c (split_loop_bb): Remove.
15776 * cfgloop.h: Remove the prototype for split_loop_bb.
15778 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15779 * cfgloop.h: Remove the prototype for
15780 flow_loop_outside_edge_p.
15782 * emit-rtl.c (init_virtual_regs): Make it static.
15783 * function.h: Remove the prototype for init_virtual_regs.
15785 * recog.c (peephole2_optimize): Make it static.
15786 * recog.h: Remove the prototype for peephole2_optimize.
15788 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15790 * df-scan.c (df_record_entry_block_defs): Check if
15791 INCOMING_RETURN_ADDR_RTX is defined.
15793 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15794 Kenneth Zadeck <zadeck@naturalbridge.com>
15796 PR rtl-optimization/24762
15797 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15798 * targhooks.c (hook_void_bitmap): New hook prototype.
15799 * targhoohs.h (hook_void_bitmap): Ditto.
15800 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15801 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15802 * target.h (live_on_entry): New function pointer.
15803 * df-scan.c (df_all_hard_regs): Removed.
15804 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15805 (df_scan_free_internal): Added df->entry_block_defs.
15806 (df_scan_alloc): Ditto.
15807 (df_scan_dump): Ditto.
15808 (df_uses_record): Plumbed flag field properly thru calls.
15809 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15810 This part fixes PR24762.
15811 (df_bb_refs_record): Added code to make the frame and arg
15812 pointers live in EH blocks.
15813 (df_refs_record): Added call to df_record_entry_block_defs.
15814 (df_record_entry_block_defs): New function.
15815 * df-core.c: Added comments to describe new artifical defs.
15816 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15817 (entry_block_defs): New field in struct df.
15818 (df_all_hard_regs): Deleted.
15819 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15820 * df-problems.c (df_ru_bb_local_compute_process_def):
15821 Added code to handle artifical defs in the entry to a function.
15822 (df_ru_bb_local_compute): Ditto.
15823 (df_rd_bb_local_compute_process_def): Ditto.
15824 (df_rd_bb_local_compute): Ditto.
15825 (df_lr_bb_local_compute): Ditto.
15826 (df_ur_bb_local_compute): Ditto.
15827 (df_urec_bb_local_compute): Ditto.
15828 (df_chain_create_bb): Ditto.
15829 (df_ur_local_finalize): Removed entry.
15830 (df_urec_init): Ditto.
15831 (df_urec_local_finalize): Ditto.
15832 (df_ri_bb_compute): Added detection of last use of pseudos.
15833 * Makefile.in (df-scan.o): Updated dependencies.
15834 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15835 * config/mips/mips.c (mips_set_live_on_entry): Added.
15836 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15838 * dce.c (marked_insn_p): Added code to handle artifical defs.
15840 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15842 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15844 (_mm_cvtsi128_si64): Likewise.
15845 (_mm_cvtsd_si64): Likewise.
15846 (_mm_cvttsd_si64): Likewise.
15847 (_mm_cvtsi64_sd): Likewise.
15848 (_mm_cvtsi64_si128): Likewise.
15849 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15850 (_mm_cvtsi64_m64): Likewise.
15851 (_m_to_int64): Likewise.
15852 (_mm_cvtm64_si64): Likewise.
15853 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15854 (_mm_cvttss_si64): Likewise.
15855 (_mm_cvtsi64_ss): Likewise.
15856 (_mm_cvtss_f32): Likewise.
15858 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15860 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15861 for pragma redefine_extname.
15863 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15866 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15867 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15868 -mno-minimal-toc to previous content.
15869 (bispecs): Remove goal.
15870 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15871 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15872 compatibility aliases on powerpc-*-*gnu*.
15873 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15874 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15875 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15876 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15877 (ldblspecs): New goal.
15878 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15879 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15881 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15882 L_sf_to_tf or L_df_to_tf is defined.
15884 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15885 Alan Modra <amodra@bigpond.net.au>
15888 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15889 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15890 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15891 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15892 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15893 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15894 (rs6000_override_options): Initialize rs6000_ieeequad.
15895 Initialize TFmode format to ibm_extended_format if not
15897 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15899 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15900 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15901 (function_arg_advance): IBM long double passed in two FPRs, not
15903 (function_arg): IBM long double passed in FPRs.
15904 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15905 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15906 Only multireg GPR aligned.
15907 (rs6000_init_libfuncs): Enable IBM long double functions if not
15909 (rs6000_generate_compare): Use IBM long double compare if not
15911 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15912 (TARGET_IEEEQUAD): Define.
15913 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15914 not TARGET_IEEEQUAD.
15915 * config/rs6000/rs6000.md: Enable TFmode patterns if
15917 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15918 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15919 and -mlong-double-128 are incompatible.
15920 * doc/invoke.texi (-mabi): Collect options together. Add
15921 ibmlongdouble and ieeelongdouble.
15923 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15925 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15927 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15928 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15929 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15930 * rtl.h (rtunion_def): Remove rt_ptr.
15932 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15933 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15934 * config/i386/winnt.c (i386_pe_mark_dllexport)
15935 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15937 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15939 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15941 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15945 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15946 pthread_key_delete. From John David Anglin. gthrw-ify
15947 pthread_getunique_np only if it it's not a macro. Delete
15949 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15950 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15951 __gthread_objc_condition_signal, __gthread_key_delete): Add
15952 "__attribute__ ((__unused__))" to unused arguments.
15953 (__gthread_recursive_mutex_init_function): Add missing return.
15954 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15955 gthr-posix95.h: Use macro-based approach for name redirection
15956 on targets missing weakref.
15958 2006-01-26 Zack Weinberg <zackw@panix.com>
15960 * genconditions.c (write_header): In generated code, #ifdef out
15961 all includes and fake declarations, except includes of bconfig.h
15962 and system.h, unless GCC_VERSION >= 3001. Do not include
15963 gensupport.h in any case.
15964 (write_conditions): Generate a definition of struct c_test. Add
15965 a comment to the generated #endif.
15966 (write_one_condition): Escape backslashes in string too.
15967 (write_writer): Generated code must escape backslashes and quote
15968 marks (but not newlines) in the strings it writes.
15969 * Makefile.in (build/gencondmd.o): Update dependencies.
15971 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15974 * Makefile.in (insn-automata.o): Add header file dependencies.
15975 * genautomata.c: Add includes.
15977 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15980 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15982 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15984 * configure.ac: Expect target tools paths to be passed from the toplevel
15985 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15987 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15989 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15992 * c.opt (Wpointer-sign): Init to -1.
15993 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15994 OPT_pedantic, to 0 otherwise.
15995 * doc/invoke.texi: Update.
15997 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15999 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16000 constants provided by 80387 instructions in the destination mode.
16002 2006-01-26 Richard Guenther <rguenther@suse.de>
16003 Andrew Pinski <pinskia@physics.uc.edu>
16006 partial PR tree-opt/17064
16007 * tree-ssa-structalias.c (intra_create_variable_infos):
16008 Create heap variables for incoming parameters if
16009 flag_argument_noalias > 1.
16010 (find_what_p_points_to): Look through default defs of
16013 2006-01-26 Jeff Law <law@redhat.com>
16016 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16017 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16018 within the VR_RANGE, use the VR_RANGE as the result, not the
16020 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16021 bounds for the type.
16023 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16025 * tree-ssa-alias.c (maybe_create_global_var): Change
16026 subvar walking to an assertion that we don't have subvar'd variables.
16028 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16031 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16032 Use a new variable, inner. PARM_DECLs are always non-weak.
16034 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16036 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16037 --disable-checking.
16039 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16041 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16043 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16045 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16046 (smax_insn, smin_insn, smax_0, smin_0): New.
16048 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16051 * config/cris/cris.c (cris_order_for_addsi3): New function.
16052 * config/cris/cris-protos.h: Prototype it.
16053 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16054 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16055 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16056 (split for "op.S1 [rx=rx+i],ry (swapped)")
16057 (split for "op(s|u).S1 [rx=rx+i],ry")
16058 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16059 Apply cris_order_for_addsi3 when generating addsi3 insns.
16061 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16063 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16064 (TREE_BLOCK): Add call to EXPR_CHECK.
16066 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16069 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16070 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16071 (dump_omp_clauses): ... here.
16072 (dump_generic_node): Handle OMP_CLAUSE.
16073 * tree.c (omp_clause_num_ops): New.
16074 (omp_clause_code_name): New.
16075 (tree_code_size): Handle OMP_CLAUSE.
16076 (tree_size): Likewise.
16077 (make_node): Document handling of OMP_CLAUSE.
16078 (tree_node_structure): Handle OMP_CLAUSE.
16079 (omp_clause_check_failed): New.
16080 (omp_clause_range_check_failed): New.
16081 (omp_clause_operand_check_failed): New.
16082 (build_omp_clause): New.
16083 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16084 * tree.h (enum omp_clause_code): Declare.
16085 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16086 (OMP_CLAUSE_RANGE_CHECK): Define.
16087 (OMP_CLAUSE_ELT_CHECK): Define.
16088 (omp_clause_check_failed): Declare.
16089 (omp_clause_operand_check_failed): Declare.
16090 (omp_clause_range_check_failed): Declare.
16091 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16092 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16093 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16094 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16095 (OMP_CLAUSE_IF_EXPR): Likewise.
16096 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16097 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16098 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16099 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16100 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16101 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16102 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16103 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16104 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16105 (OMP_CLAUSE_CODE): Define.
16106 (OMP_CLAUSE_SET_CODE): Define.
16107 (OMP_CLAUSE_CODE): Define.
16108 (OMP_CLAUSE_OPERAND): Define.
16109 (struct tree_omp_clause): Declare.
16110 (union tree_node): Add field 'omp_clause'.
16111 * treestruct.def (TS_OMP_CLAUSE): Define.
16112 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16113 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16114 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16115 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16116 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16117 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16118 (OMP_CLAUSE): Define.
16119 * print-tree.c (print_node): Handle OMP_CLAUSE.
16120 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16121 * c-typeck.c: Likewise.
16122 * gimplify.c: Likewise.
16123 * c-omp.c: Likewise.
16124 * tree-nested.c: Likewise.
16125 * tree-inline.c: Likewise.
16126 * c-parser.c: Likewise.
16127 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16130 2006-01-25 Roger Sayle <roger@eyesopen.com>
16132 PR rtl-optimization/25703
16133 * combine.c (try_combine): Handle zero_extract and strict_low_part
16134 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16136 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16138 * global.c: Fix comment typos.
16140 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16143 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16144 Use output_addr_const instead of assemble_name.
16146 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16148 * Makefile.in (sched-vis.o): Update dependencies.
16149 * haifa-sched.c (sched_finish): Clear current_sched_info.
16150 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16151 (dump_flow_info): Call it.
16152 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16154 * basic-block.h (dump_bb_info): Declare.
16155 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16156 option, and apply options only for dump files whose TDF_RTL,
16157 TDF_TREE, or TDF_IPA bits match.
16158 * rtl.h: Declare new functions exported from sched-vis.c.
16159 * sched-vis.c: Enable also if scheduling is not used.
16160 (print_value): Print the mode of registers if not inside scheduling.
16161 (print_insn): Make it work outside the scheduler. Beautify the output
16163 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16165 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16167 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16168 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16169 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16170 depending on the value of CONSTANT_POOL_ADDRESS_P.
16171 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16173 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16174 rather than SYMBOL_REF_DECL.
16175 (rtx_constant_pool): Remove const_rtx_sym_htab.
16176 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16177 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16178 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16179 Remove handling of const_rtx_sym_htab.
16180 (find_pool_constant): Delete.
16181 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16182 rather than find_pool_constant.
16183 (get_pool_constant_for_function): Delete.
16184 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16185 find_pool_constant.
16186 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16187 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16188 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16189 (SYMBOL_REF_CONSTANT): New macro.
16190 (get_pool_constant_for_function): Delete.
16191 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16192 rather than SYMBOL_REF_DECL.
16193 (i386_pe_mark_dllimport): Likewise.
16194 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16195 rather than SYMBOL_REF_DECL.
16196 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16197 (machopic_indirect_call_target): Likewise.
16199 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16201 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16203 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16205 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16207 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16209 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16211 2006-01-24 David Daney <ddaney@avtrex.com>
16214 * configure.ac (enable_tls): New enable option.
16215 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16216 * configure: Regenerate.
16217 * doc/install.texi (--enable-tls): Document new option.
16218 (--disable-tls): Ditto.
16220 2006-01-24 Richard Henderson <rth@redehat.com>
16222 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16223 * alias.c (true_dependence): Respect it.
16224 (canon_true_dependence, write_dependence_p): Likewise.
16225 * builtins.c (get_builtin_sync_mem): Set it.
16227 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16229 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16232 2006-01-24 DJ Delorie <dj@redhat.com>
16234 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16235 for storing constants in single-bit bitfields.
16237 2006-01-25 Ben Elliston <bje@au.ibm.com>
16239 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16241 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16244 * tree-ssa-pre.c (phi_translate): Return NULL
16245 for AGGREGATE_TYPE's.
16247 2006-01-24 Zack Weinberg <zackw@panix.com>
16249 * genautomata.c (process_state_for_insn_equiv_partition):
16250 Use xcalloc for insn_arcs_array.
16251 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16252 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16254 2006-01-24 Richard Henderson <rth@redhat.com>
16256 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16257 update all callers.
16259 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16261 PR rtl-optimization/25890
16262 PR rtl-optimization/25905
16263 * combine.c (expand_compound_operation, expand_field_assignment):
16264 Fail if the bitfield's final position is out of bounds.
16266 2006-01-24 Ian Lance Taylor <ian@airs.com>
16268 PR middle-end/25930
16269 * cgraphunit.c (cgraph_output_in_order): Don't clear
16270 cgraph_asm_nodes until after asm strings have been output.
16272 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16274 * fix-header.c (read_scan_file): Add new parameter imultilib when
16275 calling register_include_chains.
16277 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16279 * omp-low.c: Update documentation.
16281 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16282 Daniel Berlin <dberlin@dberlin.org>
16286 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16287 return from the function.
16289 2006-01-22 Zack Weinberg <zackw@panix.com>
16291 * rtl.def (match_code): Add second argument.
16292 * genpreds.c (write_extract_subexp): New function.
16293 (write_match_code): Add path argument. Use write_extract_subexp.
16294 (write_predicate_expr): Pass path to write_match_code.
16295 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16296 not perform a mode test.
16297 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16298 a subexpression does not constrain the top-level code set.
16299 * read-rtl.c (read_rtx_variadic): New function.
16300 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16301 * doc/md.texi: Document new notation.
16302 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16303 (cmpsi_operand): ... here, using new notation.
16305 2006-01-22 Zack Weinberg <zackw@panix.com>
16307 * varray.c: Remove GENERATOR_FILE #ifdefs.
16309 2006-01-22 Zack Weinberg <zackw@panix.com>
16311 * genautomata.c (output_reserved_units_table): Emit nothing if
16312 description->query_units_num is zero. Remove extra blank line.
16313 (output_cpu_unit_reservation_p): Short circuit
16314 if description->query_units_num is zero.
16316 2006-01-22 Zack Weinberg <zackw@panix.com>
16318 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16319 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16320 nor any of the random handful of variables that used to be necessary
16321 when this program was linked with rtlanal.o. Prune set of forward
16322 function declarations.
16323 (struct attr_desc): Remove static_p field.
16324 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16325 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16326 (attr_string): Do not read the character one past the length of
16328 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16329 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16330 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16331 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16332 (make_automaton_attrs): New.
16333 (main): Do not call into genautomata. Call local gen_bypass
16334 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16335 Remove special case for insn_alts.
16336 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16337 varray.h (leftover from previous change). Prune set of forward
16338 function declarations. Remove state_alts fields from all
16339 structures. Remove state_alts_table from struct automaton.
16340 Make everything except main static. Do not maintain num_dfa_decls.
16341 Do not maintain state_alts fields of various structures.
16342 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16343 (add_arc): Remove state_alts argument. All callers updated.
16344 (output_reserved_units_table): Emit #ifdef here...
16345 (output_tables): ...not here. Don't generate state_alts tables.
16346 (expand_automata): Don't generate attributes.
16347 (write_automata): Don't generate state_alts functions.
16348 (main): New function.
16349 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16350 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16351 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16352 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16353 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16354 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16355 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16356 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16358 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16359 * genattrtab.h: Delete file.
16360 * Makefile.in (OBJS-common): Add insn-automata.o.
16361 (insn-automata.o): New rule.
16362 (simple_generated_c): Add insn-automata.c.
16363 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16364 (genprogmd): Add automata.
16365 (build/genattrtab): Needs no extra objects nor libraries.
16366 (build/genautomata): Needs build/vec.o and -lm.
16368 2006-01-22 Zack Weinberg <zackw@panix.com>
16370 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16371 (output_dfa_max_issue_rate, locked_states_num): Delete.
16372 (struct automaton): Add locked_states field.
16373 (output_dead_lock_vect): Save number of locked states in
16374 automaton->locked_states. If it is zero, don't print anything.
16375 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16376 (output_internal_dead_lock_func): Only test the dead_lock_vect
16377 for automata that have locked states.
16378 (output_statistics): Always print the number of locked states for
16379 each automaton. Calculate total number of locked states here.
16380 (write_automata): Don't call output_dfa_max_issue_rate.
16381 * genattrtab.c: Define length_unit_log as a const variable.
16382 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16383 max_insn_queue_index const.
16384 * final.c (length_unit_log): Declare const.
16385 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16387 2006-01-22 Zack Weinberg <zackw@panix.com>
16389 * genautomata.c: Include vec.h, not varray.h.
16390 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16391 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16392 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16393 VEC_* macros operating on appropriately typed vectors, or to
16394 malloced arrays when the size is known in advance. Const-ify
16395 many char* variables and function arguments. No functional changes.
16396 * Makefile.in (build/varray.o): Delete rule.
16397 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16398 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16400 2006-01-22 Zack Weinberg <zackw@panix.com>
16402 * gensupport.c: Define get_insn_name and record_insn_name here.
16403 (read_md_rtx): Call record_insn_name as appropriate.
16404 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16405 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16406 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16408 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16409 (BUILD_VARRAY): Delete.
16410 (genprognormal): Rename genprogmd. Fold in all programs from
16411 genprognoprint; also attrtab.
16412 (build/genattrtab): Just mention genautomata.o and varray.o.
16413 Reorganize a bit, add comments to make the categories clearer.
16415 2006-01-22 Zack Weinberg <zackw@panix.com>
16417 * genconditions.c (condition_table, add_condition): Delete.
16418 (write_conditions): Don't emit n_insn_conditions nor
16419 insn_elision_unavailable. Issue the gcc version #ifdef here,
16420 inside the table, with no #else clause ...
16421 (write_header): ...not here.
16422 (write_writer): New function.
16423 (main): Don't initialize condition_table. Use add_c_test.
16425 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16426 files on the command line.
16427 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16428 Return -1 if there is no entry in the table, don't abort.
16429 (add_c_test, traverse_c_tests): New functions.
16430 * gensupport.h (insn_elision_unavailable, insn_conditions)
16431 (n_insn_conditions): Delete declarations.
16432 (add_c_test, traverse_c_tests): Declare.
16433 * read-rtl.c: Include gensupport.h.
16434 (read_conditions): New function.
16435 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16436 (read_rtx_1): If we get EOF when we were looking for an initial
16437 open paren, return 0. Call read_conditions when appropriate.
16438 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16439 dummy-conditions.o. Eliminate references to insn-conditions.o,
16440 or change them to build/gencondmd.o, as appropriate. Remove
16441 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16442 from $(simple_generated_c). For all files remaining in those
16443 two lists, add insn-conditions.md to the generator command line.
16444 Give insn-constants.h/s-constants their own rules. Add rules
16445 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16446 (build/read-rtl.o): Depend on gensupport.h.
16447 (genprognormal): Include preds.
16448 (genprogearly): Rename genprognoprint; only difference is now that
16449 they don't link with $(BUILD_PRINT).
16450 * dummy-conditions.c: Delete.
16452 2006-01-22 Zack Weinberg <zackw@panix.com>
16454 * genextract.c: Don't include insn-config.h. Do include vec.h.
16455 Declare vectors of int, char, and locstr.
16456 (locstr): New typedef.
16457 (struct extraction): Make all array fields into bare pointers.
16458 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16459 (insn_code_number): Delete.
16460 (accum_extract): New struct.
16461 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16462 (gen_insn): Take insn_code_number as an argument. Use an
16463 accum_extract structure instead of loading data directly into
16464 a struct extraction, and having to know how big it might get.
16465 (walk_rtx): Operate entirely on an accum_extract structure.
16466 (print_path): Avoid unnecessary use of printf.
16467 (print_header): New function, split out of main. Distinguish
16468 more carefully between an unrecognizable insn and an insn that
16469 has the code number of a define_expand.
16470 (main): Pass insn_code_number to gen_insn. Call print_header
16471 only after parsing. Avoid unnecessary use of printf.
16472 * Makefile.in (build/vec.o): New rule.
16473 (build/genextract): Depend on build/vec.o.
16474 (build/genextract.o): Don't depend on insn-config.h.
16476 2006-01-22 Zack Weinberg <zackw@panix.com>
16478 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16479 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16480 practical. Eliminate per-generator-program link rules.
16482 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16484 PR middle-end/24437
16485 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16486 with a call expr to ...
16487 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16489 2006-01-23 Richard Guenther <rguenther@suse.de>
16491 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16492 before make_edge with conditional EDGE_TRUE_VALUE.
16494 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16495 Jan Hubicka <jh@suse.cz>
16496 Richard Guenther <rguenther@suse.de>
16498 PR rtl-optimization/25654
16499 * cfgexpand.c (aggregate_contains_union_type): New function.
16500 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16501 for structure variables that contain a union type.
16503 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16505 * gengtype.c (new_structure): Return the structure.
16506 (create_option): Add an extra "next" argument.
16507 (create_field): New function.
16508 (adjust_field_rtx_def): Use create_option and create_field.
16509 Remove a now-unnecessary call to find_structure.
16510 (adjust_field_tree_def): Likewise.
16511 (note_yacc_type): Remove an unnecessary call to find_structure.
16512 * gengtype.h (new_structure): Return the structure.
16513 (create_option): Add an extra argument.
16514 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16515 (option): Adjust calls to create_option.
16517 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16519 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16521 2006-01-22 Paul Brook <paul@codesourcery.com>
16522 Peter Barada <peter@the-baradas.com>
16524 * config/m68k/m68k.md: Add Coldfire FPU support.
16525 Define FP mode macro and associated attributes.
16526 Use it for float mode patterns.
16527 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16528 (LIBCALL_VALUE): Use m68k_libcall_value.
16529 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16530 (m68k_function_value): Ditto.
16531 (emit_move_sequence): Ditto.
16532 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16533 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16534 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16535 (MULTILIB_EXCEPTIONS): Ditto.
16536 * config/m68k/m68k.opt: Add mcfv4e.
16537 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16538 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16539 (m68k_output_function_prologue): Save ColdFire FPU registers.
16540 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16541 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16542 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16543 ColdFire FPU registers.
16544 (m68k_libcall_value, m68k_function_value): New functions.
16545 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16546 (LIBCALL_VALUE): Use m68k_libcall_value.
16547 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16548 (MASK_COLDFIRE): Add MASK_CFV4E.
16549 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16550 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16551 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16552 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16553 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16554 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16555 * doc/invoke.tex: Document -mcfv4e on m68k.
16557 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16559 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16562 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16565 * c-opts.c (c_common_handle_option): Don't include
16566 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16567 * doc/invoke.texi (C++ Dialect Options): Document that
16568 -Wnon-virtual-dtor is no longer included in -Wall.
16570 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16572 * gcov.c (print_version), gcov-dump.c (print_version),
16573 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16576 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16578 * df-scan.c (problem_SCAN): Added NULL reset function.
16579 (df_scan_reset_blocks): Added code to call reset block function
16580 (df_bb_refs_delete) Fixed comment.
16581 (df_insn_refs_delete): Made tolerant of deleting non existent info
16582 for dataflow problems that need to be reset.
16583 * df-core.c (df_set_blocks): Ditto.
16584 * df.h (struct df_problem): Added reset_fun.
16585 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16586 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16587 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16588 functions to clear out all references to def-use or use-def chains.
16590 2006-01-21 Ben Elliston <bje@au.ibm.com>
16592 * varasm.c (assemble_real): Initialise data array.
16594 2006-01-20 Paul Brook <paul@codesourcery.com>
16596 Merge from csl-arm-branch.
16597 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16598 * config/arm/arm.md (movdi): Force operands[1] to a register
16599 if we have a non-register source.
16600 (*arm_movdi, *movdf_soft_insn): Require that one of the
16601 operands be a register.
16602 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16603 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16605 2006-01-20 DJ Delorie <dj@redhat.com>
16607 * varasm.c (initializer_constant_valid_p): Allow pointers
16608 initialized from integer constants of lesser precision.
16609 (output_constant): Allow non-int-sized pointer modes to be
16610 initialized from integer constants.
16612 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16615 * cppdefault.h (struct default_include): Add multilib flag.
16616 * cppdefault.c (cpp_include_defaults): Set it.
16617 * c.opt (-imultilib): New option.
16618 * c-opts.c (imultilib): New.
16619 (c_common_handle_option): Handle -imultilib.
16620 (c_common_post_options): Likewise.
16621 * c-incpath.c (add_standard_paths, register_include_chains):
16623 * c-incpath.h (register_include_chains): Add extra parameter.
16624 * gcc.c (do_spec_1): Generate -imultilib option.
16625 (The Specs Language): Update %I description.
16626 (process_command): Update copyright notice.
16627 * doc/cppopts.texi (-imultilib): Document.
16628 * doc/invoke.texi (-imultilib): Include in option summary.
16629 (%I): Update specs documentation.
16631 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16633 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16635 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16637 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16640 2006-01-20 Richard Guenther <rguenther@suse.de>
16641 Steven Bosscher <stevenb.gcc@gmail.com>
16643 PR rtl-optimization/24626
16644 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16645 EDGE_TRUE_VALUE if in RTL mode.
16648 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16649 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16651 2006-01-20 Dirk Mueller <dmueller@suse.com>
16654 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16655 instead of a special NOP marker.
16656 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16657 NOP marker handling.
16658 * c-common.h (empty_body_warning): Add forward declaration.
16659 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16660 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16662 2006-01-20 Paul Brook <paul@codesourcery.com>
16664 * Makefile.in (lang_checks): Keep going if mkdir fails.
16666 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16668 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16669 be able to clean out basic block when not necessary.
16670 (df_scan_free): Fixed to properly delete information if df is
16671 unused before calling df_finish.
16672 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16673 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16675 (df_bb_refs_delete): New function.
16676 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16677 * df-core.c (df_set_blocks): Added code to properly clean out
16678 unused blocks if they are not part of the blocks to consider.
16679 Added additional null check.
16680 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16681 be able to clean out basic block when not necessary
16682 * df.h (df_free_bb_function): Ditto.
16683 (df_bb_refs_delete): New function.
16684 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16685 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16686 basic block parameter to be able to clean out basic block when not
16688 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16689 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16690 Fixed to properly delete information if df is unused before
16693 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16695 PR rtl-optimization/25799
16696 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16697 Corrected confluence operator to remove bits from op2 before oring
16698 with op1 rather than removing bits from op1.
16699 (df_ru_transfer_function): Corrected test on wrong bitmap which
16700 caused infinite loop. Both of these problems were introduced in
16701 the dataflow rewrite.
16703 2006-01-19 DJ Delorie <dj@redhat.com>
16705 * reload1.c (find_reload_regs): Note the details of reload
16706 failures in the dump file.
16707 (spill_failure): Likewise.
16709 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16711 * loop-iv.c: Include df.h and hashtab.h.
16712 (enum iv_grd_result): New enum.
16713 (DF_REF_IV, DF_REF_IV_SET): New macros.
16714 (struct biv_entry): New.
16715 (df, bivs): New global variables.
16716 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16717 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16719 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16720 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16721 analyzed_for_bivness_p, record_biv): New functions.
16722 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16723 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16724 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16726 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16728 (iv_number_of_iterations): Use new interface to iv analysis.
16729 * loop-unroll.c: Do not include varray.h.
16730 (analyze_iv_to_split_insn): Use new interface to iv
16732 * loop-unswitch.c (may_unswitch_on): Ditto.
16733 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16735 (df_bb_modify): Realloc tables to the new index.
16736 (df_find_use): New function.
16737 * df.h (df_find_use): Declare.
16738 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16740 * cfgloop.h (struct rtx_iv): Remove analysed field.
16741 (iv_get_reaching_def): Removed.
16742 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16743 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16744 (loop-iv.o): Add df.h and hashtab.h dependency.
16745 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16747 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16750 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16752 (__floatundisf, __floatundidf): Likewise.
16753 * libgcc2.h (IS_IBM_EXTENDED): Define.
16755 2006-01-19 DJ Delorie <dj@redhat.com>
16757 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16759 2006-01-19 Paul Brook <paul@codesourcery.com>
16761 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16762 as nothrow when unwinding tables are disabled.
16764 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16767 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16768 of bit-field" when in system header.
16770 2006-01-19 DJ Delorie <dj@redhat.com>
16772 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16773 the 16 bit shift limit of the m16c.
16775 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16778 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16779 * config/i386/i386.c (output_set_got): Output the label if we have one
16780 for the TARGET_DEEP_BRANCH_PREDICTION case.
16782 2006-01-19 Jan Hubicka <jh@suse.cz>
16783 H.J. Lu <hongjiu.lu@intel.com>
16784 Evandro Menezes <evandro.menezes@amd.com>
16786 * invoke.texi (generic): Document
16788 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16789 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16790 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16791 (x86_use_incdec, x86_pad_returns): New variables
16792 (TARGET_CPU_DEFAULT_generic): New constant
16793 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16794 (enum processor_type): Add generic32 and generic64.
16795 * i386.md (cpu attribute): Add generic32/generic64
16796 (movhi splitter): Behave sanely when both partial_reg_dependency and
16797 partial_reg_stall are set.
16798 (K8 splitters): Enable for generic as well.
16799 * predicates.md (incdec_operand): Use TARGET_INCDEC
16800 (aligned_operand): Avoid memory mismatch stalls.
16801 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16802 * ppro.md: Enable for generic32
16803 * i386.c (generic64_cost, generic32_cost): New.
16804 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16805 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16806 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16807 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16808 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16809 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16810 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16811 x86_accumulate_outgoing_args, x86_prologue_using_move,
16812 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16813 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16814 Enable for generic.
16815 (x86_use_incdec, x86_pad_returns): New.
16816 (override_options): Add generic32 and generic64, translate "generic"
16817 to generic32/generic64 and "i686" to "generic32", refuse
16818 "generic32"/"generic64" as arch target.
16819 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16820 (ix86_reorg): Honor PAD_RETURNS.
16822 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16824 * tree-pretty-print.c (dump_generic_node): Handle
16825 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16826 * cgraph.c (cgraph_expand_queue): Rename from
16827 cgraph_analyze_queue. Update all users.
16828 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16829 cgraph_expand_queue.
16830 (cgraph_expand_all_functions): Likewise.
16831 (cgraph_finalize_pending_functions): Remove. Update callers.
16833 * tree.h (OMP_DIRECTIVE_P): Define.
16834 (OMP_PARALLEL_FN): Define.
16835 (OMP_PARALLEL_DATA_ARG): Define.
16836 (OMP_SECTIONS_SECTIONS): Define.
16837 * tree-pass.h (pass_expand_omp): Declare.
16838 * omp-low.c (struct omp_region): Declare.
16839 (struct omp_context): Remove fields 'parallel_type',
16840 'parallel_start_ix' and 'parallel_start_additional_args'.
16842 (struct omp_for_data): Rename from struct expand_omp_for_data.
16843 (omp_regions): New static variable.
16844 (root_omp_region): New static variable.
16845 (find_omp_clause): Make static.
16846 (is_in_combined_parallel_ctx): Remove.
16847 (is_combined_parallel): New.
16848 (extract_omp_for_data): Move earlier in the file.
16849 (workshare_safe_to_combine_p): New.
16850 (get_ws_args_for): New.
16851 (determine_parallel_type): Move earlier in the file.
16852 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16854 (omp_copy_decl): Likewise.
16855 (create_omp_child_function): Likewise.
16856 (lookup_omp_region): New.
16857 (dump_omp_region): New.
16858 (debug_omp_region): New.
16859 (debug_all_omp_regions): New.
16860 (new_omp_region): New.
16861 (scan_omp_parallel): If parallel_nesting_level > 1, the
16862 directive is nested within another parallel directive.
16863 Set OMP_PARALLEL_FN.
16864 (scan_omp_for): Do not try to handle combined parallel+for
16866 Remove FIXME comment.
16867 (scan_omp_nested): Remove.
16868 (scan_omp_1): Do not call scan_omp_nested when
16869 parallel_nesting_level is > 1.
16870 Do not change the DECL_CONTEXT of local variables found.
16871 (lookup_decl_in_outer_ctx): New.
16872 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16873 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16874 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16875 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16876 If CTX is nested, lookup VAR in the outer context when
16877 building copy assignment.
16878 (lower_send_clauses): Rename from expand_send_clauses.
16879 If CTX is nested, lookup VAR in the outer context when
16880 building copy assignments.
16881 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16882 If CTX is nested, lookup VAR in the outer context when
16883 building copy assignments.
16884 (expand_parallel_call): Rename from build_parallel_call.
16885 Handle combined parallel+workshare cases.
16886 Re-implement to emit code into the CFG.
16888 (expand_omp_parallel): Re-implement to emit code into the CFG.
16889 Call move_sese_region_to_fn to outline the sub-graph
16890 containing the parallel region.
16891 (expand_omp_for_1): Remove.
16892 (expand_omp_for_generic): Re-implement to emit code into the
16894 (expand_omp_for_static_nochunk): Likewise.
16895 (expand_omp_for_static_chunk): Likewise.
16896 (expand_omp_for): Likewise.
16897 (expand_omp_sections): Likewise.
16898 (remove_exit_barriers): New.
16899 (expand_omp_synch): New.
16901 (build_omp_regions_1): New.
16902 (build_omp_regions): New.
16903 (execute_expand_omp): New.
16904 (gate_expand_omp): New.
16905 (pass_expand_omp): Define.
16906 (lower_omp_sections): Rename from expand_omp_sections.
16907 Set OMP_SECTIONS_SECTIONS.
16908 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16909 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16910 (lower_omp_single): Rename from expand_omp_simple.
16911 (lower_omp_master): Rename from expand_omp_master.
16912 (lower_omp_ordered): Rename from expand_omp_ordered.
16913 (lower_omp_critical): Rename from expand_omp_critical.
16914 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16915 (lower_omp_for): Re-implement.
16916 (lower_omp_parallel): Re-implement.
16917 (lower_regimplify): Rename from expand_regimplify.
16918 (lower_omp_1): Rename from expand_omp_1.
16919 If there are syntax errors in the program, replace every
16920 OpenMP directive with NOP.
16921 Call lower_omp_* instead of expand_omp_*.
16922 (lower_omp): Rename from expand_omp.
16924 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16925 * tree-gimple.h (enum omp_parallel_type): Remove.
16926 (gimple_boolify): Declare extern.
16927 (find_omp_clause, determine_parallel_type): Remove.
16929 * gimple-low.c (lower_omp_directive): New.
16930 (lower_stmt): Call it.
16931 (record_vars_into): Move from ...
16932 (record_vars): ... here.
16933 Call record_vars_into with current_function_decl.
16935 * gimplify.c (struct gimplify_ctx): Remove fields
16936 combined_pre_p and combined_ctxp. Update users.
16937 (get_formal_tmp_var): Add documentation.
16938 (gimple_boolify): Make extern.
16939 (gimplify_expr_in_ctx): Remove. Update callers.
16940 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16941 will always be a BIND_EXPR.
16942 (gimplify_expr): Handle OMP_RETURN_EXPR.
16943 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16944 (OMP_PARALLEL): Add 3 operands.
16945 (OMP_SECTIONS): Add 1 operand.
16946 (OMP_RETURN_EXPR): Define.
16948 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16949 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16950 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16951 creating a circular free list.
16952 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16954 * tree-flow.h (move_sese_region_to_fn): Declare.
16955 (record_vars_into): Declare.
16956 * tree-cfg.c (make_omp_sections_edges): New.
16957 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16958 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16959 OMP_SECTIONS and OMP_SECTION.
16960 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16961 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16962 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16963 (gather_blocks_in_sese_region): New.
16964 (struct move_stmt_d): Declare.
16965 (move_stmt_r): New.
16966 (move_block_to_fn): New.
16967 (move_sese_region_to_fn): New.
16969 * passes.c (init_optimization_passes): Schedule
16970 pass_expand_omp after pass_init_datastructures.
16972 * tree-ssa-operands.c (get_expr_operands): Handle
16973 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16974 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16976 2006-01-19 Jeff Law <law@redhat.com>
16978 * tree-vrp.c (extract_range_from_assert): Refine the result range
16979 if the variable referenced by the ASSERT_EXPR has a range and
16980 either the tentative result range or the previous range is a
16983 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16985 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16987 2006-01-19 Jan Hubicka <jh@suse.cz>
16989 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16991 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16993 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16994 (expand_compound_operation, expand_field_assignment): Fail if the
16995 bit lengths of an extract operation are out of range.
16996 (make_extraction): Compute wanted_inner_mode based on the position
16997 and length of the extraction. Make it extraction_mode for non-constant
16998 positions, and do not modify offset in that case. When generating a
16999 new MEM, use a mode that can hold the extraction while keeping correct
17000 alignment. Remove code that supported MEMs wrapped by USEs.
17001 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17003 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17005 * config/s390/s390.md ("Y", "y"): New mode attribute.
17006 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17007 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17008 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17009 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17010 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17011 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17012 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17013 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17014 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17015 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17016 "addsi3", "subsi3"): Insn patterns removed.
17017 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17018 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17019 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17020 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17021 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17022 "*sub<mode>3_cconly2"): New insn patterns.
17023 ("addsi3", "subsi3"): New expanders.
17025 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17027 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17028 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17029 existing STMT_VINFO_VECTYPE if available.
17030 (vect_mark_relevant): Add special handling for stmts that are
17031 marked as STMT_VINFO_IN_PATTERN_P.
17032 (vect_analyze_loop): Call vect_pattern_recog.
17033 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17034 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17036 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17037 (vect_recog_func_ptr): New function-pointer type.
17038 * tree-vect-patterns.c: New file.
17039 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17040 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17041 (vect_pattern_recog_1): New functions.
17042 (vect_pattern_recog_funcs): New array of function pointers.
17044 * tree-vectorizer.h (ternary_op): New enum value.
17045 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17046 declaration. Revised documentation. Removed redundant dump prints.
17047 Removed redundant argument. Added support for reduction patterns.
17048 (vectorizable_reduction): Added support for reduction patterns.
17049 (vect_transform_stmt): Added support for patterns.
17051 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17052 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17053 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17054 (expand_widen_pattern_expr): New function.
17055 (init_optabs): Initialize new optabs udot_prod_optab,
17057 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17058 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17059 (expand_widen_pattern_expr): New function declaration.
17060 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17062 * tree-inline.c (estimate_num_insns_1): Added cases for new
17063 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17064 * tree-pretty-print.c (dump_generic_node): Likewise.
17065 (op_prio): Likewise.
17066 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17067 * tree-ssa-operands.c (get_expr_operands): Added case for
17069 * tree-vect-patterns.c (widened_name_p): New function.
17070 (vect_recog_dot_prod_pattern): Added function implementation.
17071 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17072 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17073 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17074 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17076 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17077 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17078 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17079 (init_optabs): Initialize new optabs widen_ssum_optab,
17081 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17082 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17083 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17084 use instead of type of def.
17085 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17086 function implementation.
17087 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17088 widen_ssumv8hi): New.
17090 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17093 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17096 * c-decl.c (add_flexible_array_elts_to_size): New function.
17097 (finish_decl): Use it.
17099 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17101 * diagnostic.h: Include options.h.
17102 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17103 dependancies for diagnostic.h.
17104 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17106 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17108 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17109 (ssa_ro_call_cache_valid): Ditto.
17110 * tree-ssa-alias.c (sort_tags_by_id): New function.
17111 (init_transitive_clobber_worklist): Ditto.
17112 (add_to_worklist): Ditto.
17113 (mark_aliases_call_clobbered): Ditto.
17114 (compute_tag_properties): Ditto.
17115 (set_initial_properties): Ditto.
17116 (compute_call_clobbered): Ditto.
17117 (compute_may_aliases): Call compute_call_clobbered and grouping.
17118 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17119 (compute_flow_insensitive_aliasing): Grouping now happens in our
17121 (setup_pointers_and_addressables): Remove clobbering related code.
17122 (add_may_alias): Ditto.
17123 (replace_may_alias): Ditto.
17124 (get_nmt_for): Ditto.
17125 (create_global_var):
17126 (is_escape_site): Return an escape_type enumeration.
17127 * tree-flow-inline.h (is_call_clobbered): Global var does not
17128 imply call clobbered.
17129 (mark_call_clobbered): Take a reason for marking this. Remove
17130 marking of globalness, and cache invalidation.
17131 (clear_call_clobbered): Remove cache invalidation code.
17132 * tree-dfa.c (dump_variable): If details is on, dump the reason
17134 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17136 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17137 (struct var_ann_d): Ditto.
17138 (enum escape_type): New.
17139 (mark_call_clobbered): Adjust prototype.
17140 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17141 are never call clobbered.
17142 Record reasons for escaping.
17143 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17144 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17145 (ssa_ro_call_cache_valid): Ditto.
17146 (clobbered_v_may_defs): Ditto.
17147 (clobbered_vuses): Ditto.
17148 (ro_call_vuses): Ditto.
17149 (clobber_stats): New.
17150 (init_ssa_operands): Zero out clobber stats.
17151 (fini_ssa_operands): Print out clobber stats.
17152 (get_call_expr_operands): Pass callee fndecl to
17153 add_call_read_ops).
17154 (add_call_clobber_ops): Remove use of cache.
17155 Add use of PURE_CONST information.
17156 (add_call_read_ops): Remove use of cache.
17157 Add use of static not_read information.
17159 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17161 Introduce TLS descriptors for i386 and x86_64.
17162 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17163 (TARGET_ANY_GNU_TLS): New macro.
17164 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17165 (struct machine_function): Add tls_descriptor_call_expanded_p.
17166 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17167 (ix86_current_function_calls_tls_descriptor): Likewise.
17168 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17169 (override_options): Introduce gnu2 tls dialect.
17170 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17172 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17174 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17175 (ix86_init_machine_status): Initialize new field.
17176 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17177 (ix86_tls_module_base): New.
17178 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17179 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17180 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17181 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17182 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17183 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17184 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17185 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17186 * config/i386/predicates.md (tls_modbase_operand): New.
17187 (tp_or_register_operand): New.
17189 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17191 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17192 (look_for_address_of): Ditto.
17193 (ipa_init): Walk the function decls.
17194 (static_execute): Don't set readonly on FUNCTION_DECL's.
17196 2006-01-18 Roger Sayle <roger@eyesopen.com>
17198 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17199 for shifts where the source and destination registers are different.
17201 2006-01-18 Paul Brook <paul@codesourcery.com>
17203 Merge from csl-arm-branch.
17204 2005-03-14 Julian Brown <julian@codesourcery.com>
17205 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17206 (aeabi_llsl): Likewise.
17207 (ashrdi3): Likewise.
17208 (aeabi_lasr): Likewise.
17209 (lshrdi3): Likewise.
17210 (aeabi_llsr): Likewise.
17211 2005-03-10 Julian Brown <julian@codesourcery.com>
17212 * config.gcc: Disable shared libgcc for SymbianOS.
17213 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17215 2006-01-18 DJ Delorie <dj@redhat.com>
17217 * c-pragma.c (handle_pragma_diagnostic): New.
17218 (init_pragma): Register it.
17219 * doc/extend.texi: Document it.
17221 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17222 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17223 (diagnostic_context): Add classify_diagnostic[].
17224 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17225 as errors if they're overridden to DK_WARNING.
17226 (diagnostic_initialize): Initialize classify_diagnostic[].
17227 (diagnostic_set_kind_override): New.
17228 (diagnostic_report_diagnostic): Check for kind changes.
17229 * opts.c (common_handle_option): Take lang_mask. Update callers.
17230 Handle OPT_Werror_.
17231 * common.opt (Werror=): New.
17232 * doc/invoke.texi: Document -Werror=*
17234 2006-01-18 Jeff Law <law@redhat.com>
17236 * tree-vrp.c (test_for_singularity): Correct test for new
17237 min limit. Use operand_equal_p rather than pointer equality
17238 for testing if new min/max values are equal.
17240 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17241 using range information until after propagation and folding.
17243 2006-01-18 Richard Henderson <rth@redhat.com>
17244 Aldy Hernandez <aldyh@redhat.com>
17245 Jakub Jelinek <jakub@redhat.com>
17246 Diego Novillo <dnovillo@redhat.com>
17248 * omp-low.c: New file.
17249 * c-omp.c: New file.
17251 2006-01-18 Richard Henderson <rth@redhat.com>
17252 Jakub Jelinek <jakub@redhat.com>
17253 Diego Novillo <dnovillo@redhat.com>
17255 * doc/invoke.texi: Document -fopenmp.
17256 * tree-dump.h (debug_function): Declare.
17257 * hooks.c (hook_bool_tree_bool_false): New function.
17258 (hook_tree_tree_null): Remove.
17259 (hook_tree_tree_tree_null): New.
17260 * hooks.h: Update to match.
17261 * tree-pretty-print.c (debug_tree_chain): New.
17262 (print_generic_expr): Handle TDF_CHAIN.
17263 (dump_generic_node): Handle BLOCK.
17264 Do not abort with incomplete SWITCH_EXPRs.
17265 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17266 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17267 print space after directive name.
17268 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17269 Handle OMP_MASTER and OMP_ORDERED.
17270 Handle printing of OMP_BODY just in one place, goto
17271 dump_omp_body in the rest of OMP_* nodes that have
17273 Don't handle clause nodes here. Update omp statements to
17274 use dump_omp_clauses.
17275 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17276 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17277 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17278 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17279 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17280 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17281 Adjust output for GOMP_PARALLEL.
17282 (dump_omp_clauses): New.
17283 (print_declaration): Dump DECL_VALUE_EXPR.
17284 (op_symbol_1): Split out of op_symbol.
17285 (dumping_stmts): Remove. Update all users.
17286 * cgraph.c (cgraph_analyze_queue): New.
17287 (cgraph_add_new_function): New.
17288 * cgraph.h (cgraph_analyze_queue): Declare.
17289 (cgraph_add_new_function): Declare.
17290 (cgraph_lower_function): Remove.
17291 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17292 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17293 and TYPE_P nodes in its default clause.
17294 (empty_body_p): New.
17295 (tree_range_check_failed): New.
17296 (build5_stat): New.
17297 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17298 OMP_CLAUSE_REDUCTION_MERGE,
17299 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17300 OMP_CLAUSE_PRIVATE_DEBUG,
17301 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17302 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17303 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17304 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17305 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17306 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17307 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17308 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17309 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17310 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17311 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17312 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17313 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17314 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17315 (TREE_RANGE_CHECK): New.
17316 (empty_body_p): Declare.
17317 (enum omp_clause_default_kind): New.
17318 (build_string_literal): Declare.
17319 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17320 (build5_stat, build5): Declare.
17321 * tree-pass.h (TDF_CHAIN): Define.
17322 * tree-pass.h (PROP_gimple_lomp): Define.
17323 (pass_lower_omp): Declare.
17324 * diagnostic.h (debug_tree_chain): Declare.
17325 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17327 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17328 * builtins.c (build_string_literal): Make extern.
17329 * gcc.c (include_spec_function): New.
17330 (static_spec_functions): Add it.
17331 (main): Move load of libgomp.spec ...
17332 (LINK_COMMAND_SPEC): ... here.
17333 (link_gomp_spec): New.
17334 (static_specs): Include it.
17335 (LINK_COMMAND_SPEC): Add link_gomp.
17336 (GOMP_SELF_SPECS): New.
17337 (driver_self_specs): Include it.
17338 (switch_matches): Don't mark inline.
17339 (main): Load libgomp.spec.
17340 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17341 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17342 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17343 * tree-gimple.h (enum omp_parallel): Declare.
17344 (determine_parallel_type): Declare.
17345 (omp_firstprivatize_variable): Declare.
17346 (omp_reduction_init): Declare.
17347 (diagnose_omp_structured_block_errors): Declare.
17348 (struct walk_stmt_info): Add want_return_expr.
17349 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17350 (find_omp_clause): Declare.
17351 (insert_field_into_struct): Declare.
17352 (struct walk_stmt_info): Move from tree-nested.c
17353 (walk_stmts): Declare.
17354 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17356 * cgraphunit.c (cgraph_lower_function): Make static.
17357 (cgraph_finalize_pending_functions): New.
17358 (cgraph_finalize_function): Call it.
17359 (cgraph_finalize_compilation_unit): Likewise.
17360 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17361 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17362 (BT_FN_UINT_UINT): New.
17363 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17364 DEF_FUNCTION_TYPE_VAR_4): Document.
17365 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17366 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17367 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17368 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17369 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17370 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17371 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17372 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17373 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17374 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17375 into separate files.
17376 (DEF_GOMP_BUILTIN): New.
17377 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17378 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17379 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17380 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17381 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17382 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17383 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17384 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17385 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17386 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17387 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17388 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17389 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17390 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17391 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17392 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17393 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17394 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17395 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17396 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17397 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17398 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17399 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17400 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17401 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17402 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17403 * sync-builtins.def: New file, moved from builtins.def.
17404 * omp-builtins.def: New file, moved from builtins.def.
17405 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17406 * gimple-low.c (lower_function_body): Clear data.
17407 (lower_stmt): Do not handle COMPOUND_EXPR.
17408 Remove call to print_node_brief.
17409 * c-tree.h (c_finish_omp_clauses): New prototype.
17410 (C_DECL_THREADPRIVATE_P): Define.
17411 (lookup_name_no_remap, c_omp_remap_private): Remove
17412 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17413 (check_for_loop_decls): Update decl.
17414 (lookup_name_no_remap, c_omp_remap_private): Declare.
17415 (build_indirect_ref, build_modify_expr, pushdecl,
17416 pushdecl_top_level): Move to c-common.h.
17417 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17418 before the switch, but just in the 2 places that need it.
17419 * c-decl.c (diagnose_mismatched_decls): Do not check for
17420 mismatched thread-local attributes when OLDDECL is marked
17421 threadprivate and NEWDECL has no thread-local attributes.
17422 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17423 (c_gimple_diagnostics_recursively): Rename from
17424 c_warn_unused_result_recursively. Invoke
17425 diagnose_omp_structured_block_errors.
17426 (check_for_loop_decls): Return a singular decl found.
17427 * langhooks.c (lhd_omp_predetermined_sharing): Return
17428 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17429 (lhd_omp_firstprivatize_type_sizes): New.
17430 (lhd_omp_assignment): New.
17431 (lhd_omp_predetermined_sharing): New.
17432 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17433 (struct lang_hooks_for_types): Add
17434 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17435 omp_predetermined_sharing, omp_disregard_value_expr,
17436 omp_private_debug_clause, omp_clause_default_ctor,
17437 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17438 (c_finish_omp_clauses): New.
17439 (c_finish_bc_stmt): Diagnose break within omp for.
17440 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17441 (build_unary_op): Return error_mark after reporting
17443 (build_modify_expr): Likewise.
17444 * gimplify.c: Include optabs.h and pointer-set.h.
17445 (enum gimplify_omp_var_data): Declare.
17446 (struct gimplify_omp_ctx): Declare.
17447 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17449 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17450 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17451 (splay_tree_compare_decl_uid): New.
17452 (new_omp_context): New.
17453 (delete_omp_context): New.
17454 (gimple_add_tmp_var): Call omp_add_variable.
17455 (gimplify_bind_expr): Likewise.
17456 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17457 true, disregard DECL_VALUE_EXPR on the decl if any.
17458 (gimplify_expr_in_ctx): New.
17459 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17460 omp_add_variable, omp_notice_variable, omp_is_private
17461 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17462 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17463 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17464 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17465 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17466 gimplify_omp_atomic): New.
17467 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17468 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17469 OMP_CRITICAL and OMP_ATOMIC.
17470 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17471 * c-pragma.h (enum pragma_kind): Add
17472 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17473 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17474 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17475 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17476 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17477 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17478 PRAGMA_OMP_THREADPRIVATE.
17479 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17480 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17481 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17482 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17483 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17484 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17485 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17486 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17487 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17488 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17489 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17490 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17491 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17493 (struct nesting_info): Add field_map,
17494 suppress_expansion, debug_var_chain.
17495 (create_nesting_tree): Initialize them.
17496 (lookup_field_for_decl): Use field_map.
17497 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17498 (convert_local_omp_clauses): New.
17499 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17500 (walk_body): Split out of walk_function.
17501 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17502 (convert_nonlocal_reference): Handle omp statements.
17503 (convert_local_reference): Likewise.
17504 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17505 (unnest_nesting_tree): New.
17506 (lower_nested_functions): Call it.
17507 (insert_field_into_struct): Make extern.
17508 (struct walk_stmt_info): Move to tree-gimple.h.
17509 (walk_stmts): Make extern.
17510 * omp-builtins.def: New file.
17511 * tree-iterator.c (expr_only): Clarify comment.
17512 * c-common.h (pushdecl_top_level, pushdecl,
17513 build_modify_expr, build_indirect_ref,
17514 c_finish_omp_master, c_finish_omp_critical,
17515 c_finish_omp_ordered, c_finish_omp_barrier,
17516 c_finish_omp_atomic, c_finish_omp_flush,
17517 c_finish_omp_for, c_split_parallel_clauses,
17518 omp_clause_default_kind, c_omp_sharing_predetermined,
17519 c_omp_remap_decl): Declare.
17520 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17521 (OBJS-common): Add omp-low.o.
17522 (c-omp.o, omp-low.o): Add.
17523 (gimplify.o): Add dependency on $(OPTABS_H).
17524 (GTFILES): Add omp-low.c.
17525 (gt-stringpool.h): Add.
17526 * tree-cfg.c (set_bb_for_stmt): Do not update the
17527 block-to-labels map if we are currently expanding to RTL.
17528 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17530 Handle IDENTIFIER_NODE.
17531 (tree_verify_flow_info): Do not ICE when emitting error
17532 messages about invalid labels.
17533 (dump_function_to_file): Reset CFUN before emitting the body
17535 (debug_function): New.
17536 * passes.c (init_optimization_passes): Schedule
17538 * langhooks-def.h (lhd_omp_predetermined_sharing,
17539 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17541 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17542 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17543 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17544 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17545 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17546 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17547 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17548 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17549 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17550 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17551 (LANG_HOOK_DECLS): Use them.
17553 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17554 Richard Henderson <rth@redhat.com>
17555 Jakub Jelinek <jakub@redhat.com>
17556 Diego Novillo <dnovillo@redhat.com>
17558 * c-parser.c (pragma_omp_clause): Define.
17559 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17560 (c_parser_compound_statement): Likewise.
17561 (c_parser_statement): Likewise.
17562 (c_parser_pragma): Handle omp pragmas.
17563 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17564 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17565 (c_parser_omp_clause_name, check_no_duplicate_clause,
17566 c_parser_omp_variable_list,
17567 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17568 c_parser_omp_clause_copyprivate,
17569 c_parser_omp_clause_default,
17570 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17571 c_parser_omp_clause_lastprivate,
17572 c_parser_omp_clause_nowait,
17573 c_parser_omp_clause_num_threads,
17574 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17575 c_parser_omp_clause_reduction,
17576 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17577 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17578 c_parser_omp_atomic, c_parser_omp_barrier,
17579 c_parser_omp_critical, c_parser_omp_flush,
17580 c_parser_omp_for_loop, c_parser_omp_for,
17581 c_parser_omp_master, c_parser_omp_ordered,
17582 c_parser_omp_sections_scope, c_parser_omp_sections,
17583 c_parser_omp_parallel, c_parser_omp_single,
17584 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17585 * c-pragma.c (init_pragma): Do omp pragma registration here.
17586 * c.opt (fopenmp): New flag.
17588 2006-01-18 Eric Christopher <echristo@apple.com>
17590 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17591 * config/darwin.h (GOMP_SELF_SPECS): Define.
17593 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17595 * rtl.h: Remove the prototype for reg_alloc.
17597 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17600 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17601 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17602 sjlj and dwarf2 exception handling.
17603 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17604 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17605 * pa/pa.c (function_value): Treat complex and vector types as
17607 (function_arg): Likewise. Only pass scalar floats in the floating
17608 point argument registers.
17609 * pa/t-slibgcc-dwarf-ver: New file.
17610 * pa/t-slibgcc-sjlj-ver: New file.
17611 * pa/t-slibgcc-elf-ver: Delete file.
17613 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17615 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17616 unlikely_test_section_p test.
17618 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17620 * mode-switching.c (optimize_mode_switching): Make it static.
17621 * basic-block.h: Remove the prototype for
17622 optimize_mode_switching.
17624 * modulo-sched.c (sms_schedule): Make it static.
17625 * rtl.h: Remove the prototype for sms_schedule.
17627 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17628 * rtl.h: Remove the prototype for gcse_after_reload_main.
17630 * reg-stack.c (reg_to_stack): Make it static.
17631 * rtl.h: Remove the prototype for reg_to_stack.
17633 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17635 * rtl.h: Remove the prototypes for regrename_optimize and
17636 copyprop_hardreg_forward.
17638 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17640 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17641 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17642 Test against the appropriate null constant for the mode.
17643 If 'fixup_overlap' is true, swap the operands if they overlap.
17644 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17645 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17646 alpha_split_tmode_pair and adjust for above change.
17647 * config/alpha/alpha.md (movtf_internal): Adjust call to
17648 alpha_split_tfmode_pair and rely on it to swap the operands.
17649 (movti_internal): New insn and post-reload splitter.
17650 (movti): New expander.
17652 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17654 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17657 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17659 * rtlanal.c (global_reg_mentioned_p_1,
17660 global_reg_mentioned_p): Remove.
17661 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17663 * flow.c (initialize_uninitialized_subregs): Make it static.
17664 * rtl.h: Remove the prototype for
17665 initialize_uninitialized_subregs.
17667 * function.c (instantiate_virtual_regs): Make it static.
17668 * function.h: Remove the prototype for
17669 instantiate_virtual_regs.
17671 * regmove.c (regmove_optimize, combine_stack_adjustments):
17673 * rtl.h: Remove the prototypes for regmove_optimize and
17674 combine_stack_adjustments.
17676 2006-01-17 Roger Sayle <roger@eyesopen.com>
17678 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17679 (size_cost): Encode costs in bytes so that a reg-reg addition is
17680 equivalent to COSTS_N_INSNS(1).
17681 (override_options): Use the size_cost.branch_cost as the default
17682 ix86_branch_cost when optimizing for size.
17684 2006-01-18 Ben Elliston <bje@au.ibm.com>
17686 * Makefile.in (D32PBIT_FUNCS): New.
17687 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17688 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17689 D64PBIT_FUNCS and D128PBIT_FUNCS.
17690 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17691 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17693 (decnumber_dep): Define.
17694 * doc/libgcc.texi (Decimal float library routines): New node.
17695 * config/dfp-bit.h, config/dfp-bit.c: New files.
17697 2006-01-18 Ben Elliston <bje@au.ibm.com>
17699 * expr.c (emit_move_change_mode): Always adjust addresses, not
17700 just during reload. Copy replacements only during reload.
17701 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17702 emit_move_via_integer.
17704 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17706 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17707 instead of $(srcdir) and ${srcdir}.
17709 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17712 PR middle-end/11135
17713 * arm.h (struct machine_function): Add pic_reg.
17714 * arm.c (arm_pic_register): Make unsigned.
17715 (arm_override_options): Only set arm_pic_register if
17716 TARGET_SINGLE_PIC_BASE.
17717 (use_return_insn): Only test for a pic register if it is fixed.
17718 (arm_compute_save_reg0_reg12_mask): Likewise.
17719 (thumb_compute_save_reg_mask): Likewise.
17720 (legitimate_pic_operand): Factor out some known invariants.
17721 (legitimize_pic_address): If we don't have a fixed pic register,
17722 then set up a pseudo in the function entry sequence. Handle the
17723 pic base being in a pseudo.
17724 (arm_load_pic_register): Handle the pic register being in a pseudo.
17725 (arm_expand_prologue): Only set up the pic register if it is fixed.
17726 (thumb_expand_prologue): Likewise.
17727 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17728 (pic_load_addr_based_insn): Likewise.
17729 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17732 2006-01-18 Ben Elliston <bje@au.ibm.com>
17734 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17735 decimal float modes for all floating point registers.
17737 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17738 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17740 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17743 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17744 even when the pointer is not NULL.
17746 2006-01-16 Ian Lance Taylor <ian@airs.com>
17748 * common.opt (ftoplevel-reorder): New option.
17749 * cgraph.c (cgraph_asm_nodes): New global variable.
17750 (cgraph_asm_last_node): New static variable.
17751 (cgraph_order): New global variable.
17752 (cgraph_create_node): Set new order field.
17753 (cgraph_varpool_node): Likewise.
17754 (decide_is_variable_needed): Return true if not
17755 flag_toplevel_reorder.
17756 (cgraph_add_asm_node): New function.
17757 * cgraph.h (struct cgraph_node): Add order field.
17758 (struct cgraph_varpool_node): Add order field.
17759 (struct cgraph_asm_node): Define.
17760 (cgraph_asm_nodes, cgraph_order): Declare.
17761 (cgraph_add_asm_node): Declare.
17762 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17764 (cgraph_varpool_assemble_pending_decls): Call it.
17765 (cgraph_output_pending_asms): New static function.
17766 (cgraph_finalize_compilation_unit): Call it.
17767 (struct cgraph_order_sort): Define.
17768 (cgraph_output_in_order): New static function.
17769 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17770 !flag_toplevel_reorder case.
17771 * c-parser.c: Include "cgraph.h".
17772 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17774 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17775 than -fno-unit-at-a-time.
17776 * doc/invoke.texi (Option Summary): Mention
17777 -fno-toplevel-reorder.
17778 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17779 -funit-at-a-time documentation.
17781 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17782 Kazu Hirata <kazu@codesourcery.com>
17784 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17786 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17788 * Makefile.in (FUNCTION_H): New. Use it instead of
17789 function.h throughout the file.
17790 * function.h: Include tree.h.
17792 2006-01-17 Ben Elliston <bje@au.ibm.com>
17794 * recog.c: Separate some functions with whitespace.
17796 2006-01-16 Richard Henderson <rth@redhat.com>
17798 Merge from gomp branch:
17799 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17800 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17801 and rename from struct inline_data. Rename callee* to dst*;
17802 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17803 transform_new_cfg, transform_return_to_modify, and
17804 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17806 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17807 (copy_decl_for_dup): Remove.
17808 * tree-inline.c (struct inline_data): Move to header.
17809 (insert_decl_map): Export.
17810 (remap_decl): Update for member name changes. Use copy_decl hook.
17811 Allow for replacement to be a non-decl. Remove dead code.
17812 (remap_type_1): Check for existing mapping.
17813 (remap_type): Export.
17814 (remap_decls): Update for member name changes.
17815 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17816 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17817 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17818 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17819 (tree_function_versioning, build_duplicate_type): Likewise.
17820 (copy_body_r): Likewise. Export.
17821 (copy_decl_for_dup): Split into ...
17822 (copy_decl_for_dup_finish, copy_decl_to_var,
17823 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17824 (replace_ref_tree, inlining_p): Remove.
17826 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17828 * ifcvt.c (if_convert): Make it static.
17829 * rtl.h: Remove the prototype for if_convert.
17831 * local-alloc.c (local_alloc): Make it static.
17832 * rtl.h: Remove the prototype for local_alloc.
17834 * loop.c (loop_optimize): Make it static.
17835 * cfgloop.h: Remove the prototype for loop_optimize.
17838 2006-01-16 DJ Delorie <dj@redhat.com>
17840 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17843 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17845 * pa.md: Disparage copies between general and floating-point registers
17846 in 32-bit move patterns.
17848 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17851 * Makefile.in (check-%): Depend on site.exp instead of
17852 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17855 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17857 * global.c (global_alloc): Make it static.
17858 * rtl.h: Remove the prototype for global_alloc.
17860 2006-01-16 Richard Guenther <rguenther@suse.de>
17862 * tree-ssa-alias.c (struct used_part): Add write_only field.
17863 (get_or_create_used_part_for): Initialize it to true.
17864 (create_overlap_variables_for): Don't create structure variables
17865 for structures that only are written to.
17866 (find_used_portions): Handle MODIFY_EXPR to track whether a
17867 structure is only written to.
17869 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17871 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17873 * basic-block.h: Remove the prototype for
17874 partition_hot_cold_basic_blocks.
17876 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17878 * cppspec.c (lang_specific_spec_functions): Remove.
17879 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17880 * gcc.h (lang_specific_spec_functions): Remove.
17881 * gccspec.c (lang_specific_spec_functions): Remove.
17883 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17885 * combine.c (record_value_for_reg): Invalidate registers
17887 (record_dead_and_set_regs_1): Likewise, by passing them to
17888 record_value_for_reg.
17889 (record_dead_and_set_regs): Invalidate stores made by a
17890 call. We do not combine across a call, but we still
17891 relied on equivalences.
17893 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17895 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17896 vrp_int_const_binop returning non-constant nodes.
17898 2006-01-16 Paul Brook <paul@codesourcery.com>
17900 * config/m68k/m68k.c (output_move_const_into_data_reg):
17901 Output correct mnemonic for mvz and mvs.
17903 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17905 * rtl-factoring.c: Add sequence abstraction algorithm.
17906 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17907 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17909 (block_has_preserve_label): New function.
17910 * common.opt: Register new pass.
17911 * Makefile.in: Ditto.
17913 * timevar.def: Ditto.
17914 * tree-pass.h: Ditto.
17915 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17916 * rtl.h (make_jump_insn_raw): Add forward decl.
17917 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17919 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17920 Roger Sayle <roger@eyesopen.com>
17922 * fold-const.c (fold_minmax): New static function.
17923 (fold_binary) <MIN_EXPR>: Call it.
17924 <MAX_EXPR>: Likewise.
17925 * stor-layout.c (place_field): Use DECL_SIZE consistently
17926 in the computation of the new record size.
17928 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17930 * cse.c (cse_condition_code_reg): Make it static.
17931 * rtl.h: Remove the prototype for cse_condition_code_reg.
17933 * combine.c (combine_instructions): Make it static.
17934 * rtl.h: Remove the prototype for combine_instructions.
17936 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17939 * tree.c (get_file_function_name_long): Concatenate the first global
17940 object name with a string derived from the input filename of the object
17943 2006-01-16 Ben Elliston <bje@au.ibm.com>
17945 * config/i386/winnt-stubs.c: Update FSF address.
17946 * config/xtensa/ieee754-df.S: Ditto.
17947 * config/xtensa/ieee754-sf.S: Ditto.
17949 2006-01-14 Ian Lance Taylor <ian@airs.com>
17951 * ifcvt.c (noce_init_if_info): New static function, broken out of
17952 noce_process_if_block.
17953 (noce_process_if_block): Call noce_init_if_info.
17954 (check_cond_move_block): New static function.
17955 (cond_move_process_if_block): New static function.
17956 (process_if_block): Call cond_move_process_if_block.
17958 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17960 * cselib.c (hash_table): Rename to cselib_hash_table.
17961 (cselib_clear_table, discard_useless_values,
17962 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17963 cselib_init, cselib_finish): Adjust uses of hash_table.
17965 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17967 PR tree-optimization/25485
17968 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17969 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17970 is known to be false and true, respectively.
17972 2006-01-14 Richard Guenther <rguenther@suse.de>
17974 PR tree-optimization/22548
17975 PR tree-optimization/22555
17976 PR tree-optimization/22501
17977 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17978 * params.def (salias-max-array-elements): New parameter.
17979 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17980 * doc/invoke.texi (salias-max-array-elements): Document.
17981 * tree-flow-inline.h (var_can_have_subvars): We also handle
17983 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17985 * tree-ssa-structalias.c (params.h): Include.
17986 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17987 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17988 (get_constraint_for): For ADDR_EXPR operating on something
17989 containing an ARRAY_REF, add all subvars to the solution.
17990 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17991 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17992 for creating MUST_DEFs.
17993 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17995 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17997 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17999 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18000 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18001 number_of_iterations_le): New functions.
18002 (number_of_iterations_special): Removed.
18003 (number_of_iterations_exit): Do not use number_of_iterations_special.
18004 * tree.c (unsigned_type_for): Always return integer type.
18006 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18007 Richard Guenther <rguenther@suse.de>
18009 PR rtl-optimization/24257
18010 * gcse.c (find_moveable_store): Only consider a store movable
18011 when the SET_SRC of the insn can be assigned to a register.
18013 2006-01-14 Ian Lance Taylor <ian@airs.com>
18015 * tree.c (tree_not_class_check_failed): New function.
18016 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18017 (tree_not_class_check_failed): Declare.
18019 2006-01-13 Ian Lance Taylor <ian@airs.com>
18021 * reload1.c (do_output_reload): Add assertion rejecting a
18024 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18026 * combine.c (struct reg_stat): Add new fields truncation_label and
18028 (record_value_for_reg): Reset truncated_to_mode.
18029 (record_truncated_value): New function.
18030 (check_promoted_subreg): Call it. Rename to check_conversions.
18031 (combine_instructions): Rename check_promoted_subreg to
18033 (reg_truncated_to_mode): New function.
18034 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18035 (gen_lowpart_or_truncate): New function.
18036 (force_to_mode): Use it instead of gen_lowpart.
18038 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18040 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18041 VAR is a tag, not its type tag.
18043 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18045 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18046 alternatives to match style of other entries.
18047 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18049 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18051 PR tree-optimization/25771
18052 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18055 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18058 * tree-inline.c (declare_return_variable): If the return variable
18059 was marked as a non gimple complex, set the return slot variable
18060 to be a non gimple comple variable.
18062 2006-01-13 Richard Guenther <rguenther@suse.de>
18064 * builtins.c (expand_builtin_sincos): New function.
18065 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18067 (expand_builtin): Expand sincos using expand_builtin_sincos.
18069 2006-01-12 DJ Delorie <dj@redhat.com>
18071 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18072 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18073 so that constant shifts can be split.
18074 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18075 (m32c_valid_pointer_mode): Make static.
18076 (shift_gen_func_for): New.
18077 (m32c_prepare_shift): Use it. Split large const shifts into
18079 * config/m32c/predicates.md (shiftcount_operand): Allow more
18081 (longshiftcount_operand): New.
18082 * doc/md.texi (Machine Constraints): Document In6.
18084 2006-01-13 Ben Elliston <bje@au.ibm.com>
18086 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18087 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18090 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18092 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18093 to try to avoid clobbering pieces of structures when we know
18094 something about the whole structure.
18095 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18097 2006-01-13 Ben Elliston <bje@au.ibm.com>
18099 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18100 return in memory, as this is no limitation is no longer present.
18102 2006-01-12 DJ Delorie <dj@redhat.com>
18104 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18105 mova with fb, and for fb+0 -> An.
18107 * config/m32c/mov.md (peephole2): Fix enabling logic.
18109 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18110 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18111 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18112 FINI_ARRAY_SECTION_ASM_OP): Define.
18114 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18116 (m32c_legitimize_reload_address): New logic to reload FB to An.
18117 (m32c_output_reg_push): Add newline.
18118 (m32c_output_reg_pop): Likewise.
18120 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18122 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18124 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18126 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18128 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18130 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18133 2006-01-11 Ben Elliston <bje@au.ibm.com>
18135 * rtlanal.c (find_reg_note): Assert insn is not null.
18137 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18139 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18142 2006-01-11 Jeff Law <law@redhat.com>
18144 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18146 (mark_threaded_blocks, register_jump_thread): New functions.
18147 (thread_through_all_blocks): Remove unwanted argument. No
18148 longer rely on e->aux to communicate thread target info.
18149 Call mark_threaded_blocks. Release the threaded_blocks
18150 bitmap and threaded_edges vector when complete.
18151 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18152 (threaded_blocks): Remove.
18153 (tree_ssa_dominator_optimize): Remove initialization and
18154 finalization of threaded_blocks. Simplify call to
18155 thread_through_all_blocks.
18156 (thread_across_edge): Call register_jump_thread rather than
18157 storing thread information into e->aux.
18158 (free_all_edge_infos): Simplify now that e->aux is no longer
18159 used to communicate with thread_through_all_blocks.
18160 * tree-flow.h (thread_through_all_blocks): Update prototype.
18161 (register_jump_thread): Prototype.
18163 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18165 * df-core.c (df_compact_blocks, df_bb_replace): Use
18166 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18168 2006-01-11 Richard Guenther <rguenther@suse.de>
18170 PR tree-optimization/25734
18171 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18172 stop propagation after successful propagation to the LHS.
18174 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18176 * basic-block.h (control_flow_graph): Change the type of
18177 x_basic_block_info to VEC(basic_block,gc) *.
18178 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18180 (SET_BASIC_BLOCK): New.
18181 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18182 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18183 * cfgbuild.c (find_basic_blocks): Likewise.
18184 * cfglayout.c (fixup_reorder_chain): Likewise.
18185 * cfgrtl.c (create_basic_block_structure,
18186 rtl_create_basic_block): Likewise.
18187 * ifcvt.c (find_if_case_1): Likewise.
18188 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18191 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18193 * Makefile.in: Removed rotted odf.c entry.
18195 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18198 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18199 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18200 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18201 output pattern modifier, not %e.
18202 * config/cris/cris.c (cris_op_str): Update comment about pattern
18204 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18205 before falling through into...
18206 <case 'E'>: Redefined from old 'e' case.
18208 2006-01-11 Jan Hubicka <jh@suse.cz>
18211 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18213 2006-01-11 Jan Hubicka <jh@suse.cz>
18215 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18216 * i386.c (x86_decompose_lea): Kill.
18217 (ix86_rtx_costs): Kill.
18219 2006-01-11 Jan Hubicka <jh@suse.cz>
18221 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18222 * cgraph.h (cgraph_node): Add inline_decl.
18223 (cgraph_insert_node_to_hashtable): Declare.
18224 (save_inline_function_body): Declare.
18225 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18227 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18228 (cgraph_function_versioning): Update call of tree_function_versioning.
18229 (save_inline_function_body): New function.
18230 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18231 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18232 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18233 (cgraph_default_inline_p): Likewise.
18234 (cgraph_decide_inlining_incrementally): Likewise.
18235 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18236 (copy_bb): Kill saving; do updating of clones.
18237 (copy_cfg_body): Kill saving.
18238 (initialize_inlined-parameters): Likewise.
18239 (expand_call_inline): Likewise.
18241 (tree_function_versioning): New parameter "update_clones".
18242 (inlining_p): Kill saving.
18243 * tree-inline.h (tree_function_versioning): Update prototype.
18244 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18247 2006-01-11 Ian Lance Taylor <ian@airs.com>
18249 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18250 Allow undoing set of machine mode.
18251 (do_SUBST): Use enums instead of is_int.
18252 (do_SUBST_MODE): New function.
18253 (SUBST_MODE): New macro.
18254 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18255 reg and trying to replace reg_regno_rtx with a new register.
18256 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18257 (simplify_set): Use SUBST_MODE.
18258 (distribute_notes): Remove code that tried to update reg notes
18259 for regno_reg_rtx changes.
18261 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18263 PR tree-optimization/23109
18264 PR tree-optimization/23948
18265 PR tree-optimization/24123
18267 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18268 * tree-cfg.c (single_noncomplex_succ): New.
18269 * tree-flow.h (single_noncomplex_succ): Declare it.
18270 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18271 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18272 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18273 insert_bb, register_division_in, insert_reciprocals,
18274 replace_reciprocal, free_bb): New.
18275 (execute_cse_reciprocals_1): Rewritten.
18276 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18277 Do not commit any edge insertion. Always compute dominators and
18278 create the allocation pool.
18279 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18280 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18281 * targhooks.c (default_min_divistions_for_recip_mul): New.
18282 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18283 * passes.c (init_optimization_passes): Run recip after tree loop
18285 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18287 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18288 Kenneth Zadeck <zadeck@naturalbridge.com>
18290 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18291 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18292 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18293 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18294 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18295 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18296 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18297 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18298 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18299 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18300 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18301 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18302 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18303 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18304 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18305 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18306 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18307 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18308 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18309 DF_SCAN_POST_ALLOC): New macros.
18310 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18311 df_free_bb_function, df_local_compute_function, df_init_function,
18312 df_dataflow_function, df_confluence_function_0,
18313 df_confluence_function_n, df_transfer_function,
18314 df_finalizer_function, df_free_function, df_dump_problem_function,
18315 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18316 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18317 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18318 df_urec_bb_info, ) New types.
18319 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18321 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18322 df_analyze_simple_change_some_blocks,
18323 df_analyze_simple_change_one_block, df_compact_blocks,
18324 df_bb_replace, df_bb_regno_last_use_find,
18325 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18326 df_insn_regno_def_p, df_find_def, df_find_use,
18327 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18328 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18329 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18330 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18331 debug_df_chain, df_get_dependent_problem, df_chain_create,
18332 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18333 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18334 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18335 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18336 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18337 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18338 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18339 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18340 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18341 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18342 df_reorganize_refs, df_set_state, df_hard_reg_init,
18343 df_read_modify_subreg_p) New public functions.
18344 * df-core.c: The core dataflow solver and glue routines for rtl
18346 (df_init, df_add_problem, df_set_blocks, df_finish,
18347 df_hybrid_search_forward, df_hybrid_search_backward,
18348 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18349 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18350 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18351 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18352 df_reg_defined, df_find_use, df_reg_used, df_dump,
18353 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18354 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18355 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18356 debug_df_useno, reset_df_after_reload): New functions.
18357 * df-scan.c: The scanning fuctions, once in df.c, completely
18358 rewritten so that they now fully model the functionality of
18359 register usage at the backend.
18360 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18361 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18362 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18363 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18364 df_get_artificial_defs, df_get_artificial_uses,
18365 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18366 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18367 df_refs_delete, df_reorganize_refs, df_set_state,
18368 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18369 df_def_record_1, df_defs_record, df_uses_record,
18370 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18371 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18372 df_record_exit_block_uses, df_hard_reg_init): New functions.
18374 * df-problems.c: Seven concrete dataflow problems that use the
18375 scanning in df-scan.c and are solved by the engine in df-core.c.
18376 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18377 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18378 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18379 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18380 df_ru_free_bb_info, df_ru_alloc,
18381 df_ru_bb_local_compute_process_def,
18382 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18383 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18384 df_ru_transfer_function, df_ru_free, df_ru_dump,
18385 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18386 df_rd_free_bb_info, df_rd_alloc,
18387 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18388 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18389 df_rd_transfer_function, df_rd_free, df_rd_dump,
18390 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18391 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18392 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18393 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18394 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18395 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18396 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18397 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18398 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18399 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18400 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18401 df_urec_mark_reg_use_for_earlyclobber,
18402 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18403 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18404 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18405 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18406 df_chain_create_bb_process_use, df_chain_create_bb,
18407 df_chain_finalize, df_chain_free, df_chains_dump,
18408 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18409 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18410 df_reg_lifetime): New functions.
18411 * df.c: Deleted file.
18412 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18413 consistent with new df api.
18414 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18415 rest_of_handle_sms): Ditto.
18416 * web.c (unionfind_union, union_defs, entry_register, web_main):
18418 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18419 invariant_expr_equal_p, find_defs, check_dependencies,
18420 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18421 free_inv_motion_data, move_loop_invariants): Ditto.
18422 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18423 Update dependencies.
18424 (odf.c): Added defective entry that was deleted later in day.
18425 * sched-deps.c (sched_analyze_1): Ditto.
18427 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18429 * tree-ssa-operands.c (get_expr_operands): Record addressable
18430 variables directly. Do not call add_stmt_operands for CONST_DECLs
18432 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18433 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18435 2006-01-11 Ben Elliston <bje@au.ibm.com>
18437 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18438 function returns true in the positive case.
18440 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18443 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18444 for SI, DI, SF and DF modes. Add alternatives to copy between
18445 general and floating point registers to the 32-bit patterns.
18446 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18447 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18448 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18449 generating 64-bit code.
18450 * config/pa/pa.c (output_move_double): Handle copies between general
18451 and floating registers.
18453 2006-01-10 Stuart Hastings <stuart@apple.com>
18455 * config/i386/i386.md (set_got): Update.
18456 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18457 (builtin_setjmp_receiver): Mach-O support.
18458 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18459 (GOT_SYMBOL_NAME): Define.
18460 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18461 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18462 * config/i386/i386.c (override_options): Revise for Darwin.
18463 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18464 support. (darwin_x86_file_end): New. (output_set_got): Add label
18465 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18466 * config/i386/i386-protos.h (output_set_got): Likewise.
18467 * config/darwin.c (machopic_legitimize_pic_address): Update
18470 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18472 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18473 when MODE isn't BLKmode.
18475 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18477 PR rtl-optimization/25367
18478 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18480 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18483 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18484 for a negative bound.
18486 2006-01-10 Richard Guenther <rguenther@suse.de>
18488 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18489 Never override with anything constraint.
18491 2006-01-10 Jan Beulich <jbeulich@novell.com>
18493 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18494 256 bits when optimize_size.
18496 2006-01-10 Jan Beulich <jbeulich@novell.com>
18498 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18500 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18501 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18504 2006-01-10 Ben Elliston <bje@au.ibm.com>
18506 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18508 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18509 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18510 (USE_FP_FOR_ARG): Reject decimal float modes.
18511 (function_arg_advance): Likewise.
18512 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18513 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18514 point types in AltiVec vectors.
18515 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18516 (rs6000_libcall_value): Likewise.
18518 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18520 * config/xtensa/ieee754-df.S: New file.
18521 * config/xtensa/ieee754-sf.S: New file.
18522 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18523 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18524 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18526 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18528 * config/sh/predicates.md (binary_float_operator,
18529 binary_logical_operator, commutative_float_operator,
18530 equality_comparison_operator, greater_comparison_operator,
18531 less_comparison_operator, logical_operator,
18532 noncommutative_float_operator, shift_operator,
18533 symbol_ref_operand, unary_float_operator): Remove redundant
18536 2006-01-09 Jeff Law <law@redhat.com>
18538 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18539 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18540 now unused arguments. Callers updated.
18541 (eliminate_redundant_computations): Remove now unused arguments,
18543 (local_fold): Remove, no longer used.
18544 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18546 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18547 (simplify_cond): New function.
18548 (forward_propagate_into_cond): Call simplify_cond.
18550 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18552 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18553 (*vec_extractv2di_1_sse): New.
18555 2006-01-09 Ben Elliston <bje@au.ibm.com>
18557 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18559 2006-01-08 Richard Guenther <rguenther@suse.de>
18561 * tree-ssa-structalias.c (get_constraint_for): Remove
18562 anyoffset argument.
18563 (get_constraint_for_component_ref): Likewise.
18564 (do_deref): Likewise.
18565 (get_constraint_for): Likewise.
18566 (do_structure_copy): Likewise.
18567 (handle_ptr_arith): Likewise.
18568 (find_func_aliases): Likewise. Remove unused need_anyoffset
18571 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18572 Kaz Kojima <kkojima@gcc.gnu.org>
18574 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18575 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18576 (EXTRA_CONSTRAINT_C16): Remove.
18577 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18578 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18579 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18580 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18581 constants of SHmedia. Handle nested constant expressions of
18583 (andcosts): Fix the costs for SHmedia constants.
18584 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18585 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18586 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18587 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18588 (movv4hi_i, movv2si_i): Likewise.
18589 (movsi_const): Adjust the second operand of ior so to match with
18590 the Csu constraint.
18591 (movdi_const, movdi_const_32bit): Likewise.
18592 (movdi_const_16bit+1): Don't sign-extend LOW.
18593 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18595 (*double_shori): Fix the split condition. Use GEN_INT instead
18596 of get_int_mode calls. Mask lower 16-bit of the argument of
18598 (sym2GOTPLT): Remove.
18599 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18601 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18602 instead of EXTRA_CONSTRAINT_C16.
18604 2006-01-07 Ian Lance Taylor <ian@airs.com>
18605 David Edelsohn <edelsohn@gnu.org>
18607 PR rtl-optimization/25662
18608 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18609 for constant operands instead of simplify_gen_binary.
18610 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18611 after trying simplify_binary_operation
18613 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18615 * tree.c (iterative_hash_expr): Hash decls based on UID.
18617 2006-01-06 Eric Christopher <echristo@apple.com>
18619 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18620 (TARGET_UNWIND_EMIT): Fix spelling.
18621 * target.h (gcc_target): Add except_table_label.
18622 * except.c (output_function_exception_table): Use.
18623 * varasm.c (default_emit_except_table_label): New.
18624 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18626 (asm_out): Add here.
18627 * output.h (default_emit_except_table_label): Prototype.
18628 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18629 * config/darwin.c (darwin_emit_except_table_label): Define.
18630 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18632 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18634 PR tree-optimization/18527
18635 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18636 number_of_iterations_special, number_of_iterations_exit):
18637 Move base and step of an iv to a single structure. Add
18638 no_overflow flag, and use it in # of iterations analysis.
18639 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18640 folded_casts argument.
18641 (simple_iv): Pass base and step in a structure. Set no_overflow
18643 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18644 Evaluate expensiveness of computing # of iterations instead of
18645 the final expression.
18646 * tree-scalar-evolution.h (affine_iv): New structure.
18647 (simple_iv): Declaration changed.
18648 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18649 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18650 find_givs_in_stmt): Changed due to simple_iv change.
18652 2006-01-06 Jeff Law <law@redhat.com>
18655 * tree-cfg.c (bsi_replace): Rename final argument from
18656 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18657 change (stmt -> orig_stmt).
18658 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18659 (bsi_remove): Add new argument. Remove EH information
18661 (verify_eh_throw_table_statements): New function.
18662 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18664 * tree-optimize.c (execute_free_cfg_annotations): Verify
18665 the EH throw statement table after removing annotations.
18666 * except.h (verify_eh_throw_table_statements): Prototype.
18667 * tree-flow.h (bsi_remove): Update prototype.
18668 * tree-vrp.c (remove_range_assertions): Add new argument to
18670 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18671 * tree-complex.c (expand_complex_div_wide): Likewise.
18672 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18673 * tree-tailcall.c (eliminate_tailcall): Likewise.
18674 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18675 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18676 * tree-nrv.c (tree_nrv): Likewise.
18677 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18678 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18679 (combine_blocks): Likewise.
18680 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18681 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18682 (cleanup_control_flow): Likewise.
18683 (remove_forwarder_block): Likewise.
18684 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18685 * tree-sra.c (sra_replace): Likewise.
18686 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18687 (forward_propagate_single_use_vars): Likewise.
18688 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18689 * tree-inline.c (expand_call_inline): Likewise.
18690 * tree-vect-transform.c (vect_transform_loop): Likewise.
18691 * tree-outof-ssa.c (rewrite_trees): Likewise.
18692 * tree-cfg.c (make_goto_expr_edges): Likewise.
18693 (cleanup_dead_labels): Likewise.
18694 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18695 (bsi_move_before, bsi_move_after): Likewise.
18696 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18697 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18699 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18702 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18704 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18705 on non gimple variables. Also add checks at the top for decls and
18707 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18709 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18710 and IMAGPART_EXPR for creating MUST_DEFs.
18711 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18712 and NAME_MEMORY_TAG separately from the DECLs.
18714 2006-01-06 Richard Guenther <rguenther@suse.de>
18716 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18717 annotation, if necessary.
18718 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18719 redundant calls to update_stmt.
18720 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18723 2006-01-05 Richard Henderson <rth@redhat.com>
18725 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18727 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18729 * c-typeck.c: Update copyright date.
18731 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18733 * c-typeck.c (build_c_cast): Always warn when casting
18734 from a pointer to an integer of different size, even if
18735 the node was constant.
18737 2006-01-05 Richard Guenther <rguenther@suse.de>
18739 PR tree-optimization/22555
18740 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18741 if one structure field is an array.
18742 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18743 operands even if we found a subvar, but ignore VOPs in this
18745 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18747 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18749 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18751 PR middle-end/24998
18752 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18754 2006-01-05 Richard Guenther <rguenther@suse.de>
18755 Diego Novillo <dnovillo@redhat.com>
18757 * tree-pass.h (TODO_remove_unused_locals): Define.
18758 * gimple-low.c (expand_var_p, remove_useless_vars,
18759 pass_remove_useless_vars): Remove. Update all users.
18760 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18761 (remove_unused_locals): New function.
18762 * tree-flow.h (remove_unused_locals): Declare.
18763 * passes.c (execute_todo): Call remove_unused_locals if
18764 TODO_remove_unused_locals is set.
18765 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18766 * tree-ssa-dce.c (pass_dce): Likewise.
18767 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18769 2006-01-05 Richard Guenther <rguenther@suse.de>
18771 * tree-flow.h (struct fieldoff): Decompose field to
18772 type, size and decl.
18773 * tree-ssa-alias.c (create_sft): Take type as parameter.
18774 (create_overlap_variables_for): Store type, size and decl
18775 in the fieldoff structure.
18776 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18777 of struct fieldoff.
18778 (push_fields_onto_fieldstack): Likewise.
18779 (create_variable_info_for): Likewise. Use offset for the
18780 SFT name if the decl is not available.
18782 2006-01-04 Paul Brook <paul@codesourcery.com>
18784 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18786 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18788 * lambda-code.c (can_put_in_inner_loop): Relax
18790 (can_put_after_inner_loop): New function.
18791 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18792 (perfect_nestify): Change to make copies and modify uses.
18794 2006-01-04 Richard Henderson <rth@redhat.com>
18796 Merge from gomp branch:
18797 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18798 via integer constant.
18799 (pragma_lex): Remove.
18800 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18801 rather than parsing it.
18802 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18803 handle_pragma_extern_prefix): Add %< %> quotes.
18804 (registered_pragmas): New.
18805 (c_register_pragma_1): New.
18806 (c_register_pragma): Use it.
18807 (c_register_pragma_with_expansion): Likewise.
18808 (c_invoke_pragma_handler): New.
18809 (init_pragma): Use cpp_register_deferred_pragma directly for
18811 * c-pragma.h (enum pragma_kind): New.
18812 (pragma_handler): New.
18813 (c_invoke_pragma_handler): Declare.
18814 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18816 * c-common.h (c_common_pch_pragma): Update decl.
18817 * Makefile.in (c-parser.o): Update dependencies.
18818 (GTFILES): Add c-pragma.h.
18819 * c-parser.c (struct c_token): Add pragma_kind.
18820 (struct c_parser): Add in_pragma.
18821 (c_lex_one_token): Always initialize keyword and pragma_kind.
18822 Extract data for CPP_PRAGMA.
18823 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18824 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18825 Don't allow CPP_PRAGMA_EOL if in_pragma.
18826 (c_parser_consume_pragma): New.
18827 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18828 (c_parser_skip_to_end_of_parameter): Likewise.
18829 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18830 (c_parser_skip_to_pragma_eol): New.
18831 (c_parser_external_declaration): Handle CPP_PRAGMA.
18832 (c_parser_compound_statement_nostart): Likewise.
18833 (c_parser_statement_after_labels): Likewise.
18834 (c_parser_pragma): New.
18835 (pragma_lex): Likewise.
18836 (c_parser_pragma_pch_preprocess): New.
18837 (c_parser_new): Merge into ...
18838 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18840 2006-01-04 Jeff Law <law@redhat.com>
18843 * tree-cfg.c (bsi_replace): Remove the original statement
18844 from the EH throw statement table.
18846 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18848 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18849 make the prototype extern "C" and add throw ().
18852 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18853 and pos non-negative and pos + len <= 32.
18854 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18855 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18856 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18859 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18860 as well as sizes not multiple of component size.
18863 * function.c (instantiate_expr): New function.
18864 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18865 walk its DECL_VALUE_EXPR with instantiate_expr.
18867 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18868 DW_OP_deref{,_size} if address isn't going to be added.
18870 2006-01-04 Ben Elliston <bje@au.ibm.com>
18872 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18873 * config/fp-bit.c: Likewise.
18875 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18877 * dominance.c: Add comment about why we use DFS numbering
18880 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18881 Richard Henderson <rth@redhat.com>
18883 Merge from gomp-branch:
18884 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18885 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18887 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18889 PR rtl-optimization/25578
18890 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18891 pass a parameter to simplify_shift_const if changing ASHIFTRT
18894 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18896 * builtins.c (get_builtin_sync_mem): New function.
18897 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18898 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18899 Call get_builtin_sync_mem to generate mem rtx.
18901 2006-01-03 Richard Guenther <rguenther@suse.de>
18904 * stmt.c (add_case_node): Make sure to clear overflow flags
18907 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18909 Merge from gomp-branch.
18910 * config/sparc/sync.md: New file.
18911 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18912 UNSPECV_LDSTUB): New constants.
18913 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18914 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18915 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18918 2006-01-03 Roger Sayle <roger@eyesopen.com>
18920 * combine.c (reg_subword_p): New predicate to test whether the
18921 destination of a set refers to a subword/piece of a register.
18922 (try_combine): Generalize the code to merge the setting of a
18923 pseudo to a constant followed by a set of a subword of that
18924 register to a constant.
18926 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18928 * basic-block.h (control_flow_graph): Change the type of
18929 x_label_to_block_map to VEC(basic_block,gc) *.
18930 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18931 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18933 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18934 VEC(basic_block,heap) *.
18935 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18936 ssa_prop_fini): Adjust the uses of cfg_blocks.
18938 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18940 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18942 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18943 hashing trees instead of a pointer hash.
18944 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18945 compare for MEM_EXPR.
18947 PR rtl-optimization/25130
18948 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18949 when comparing MEMs for GCSE
18951 2006-01-03 Ben Elliston <bje@au.ibm.com>
18953 * targhooks.h (default_decimal_float_supported_p): Declare.
18954 * targhooks.c (default_decimal_float_supported_p): Define.
18955 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18956 `default_decimal_float_supported_p'.
18957 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18959 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18961 * combine.c (apply_distributive_law <SUBREG>): Check
18962 TRULY_NOOP_TRUNCATION.
18964 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18966 * dwarf2out.c (have_switched_text_section): Delete.
18967 (have_multiple_function_sections): New.
18968 (have_location_lists): Make 'bool'.
18969 (add_AT_loc_list): Use 'true' not '1'.
18970 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18971 (output_loc_list): Use have_multiple_function_sections.
18972 (output_ranges): Likewise.
18973 (dwarf2out_begin_function): Set have_multiple_function_sections if
18975 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18976 Check function_section rather than DECL_SECTION_NAME.
18977 (dwarf2out_finish): Use have_multiple_function_sections.
18978 Don't clear have_location_lists.
18980 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18981 Jan Hubicka <jh@suse.cz>
18983 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18984 case of conditional jump jumping to the next instruction.
18985 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18986 cases of conditional jump jumping to the next instruction.
18988 2006-01-02 Jan Hubicka <jh@suse.cz>
18990 * i386.c (*_cost): Add COSTS_N_INSNS.
18991 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18993 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18996 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18998 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19000 * config/arm/arm.c (all_fpus): Fix comment typo.
19001 * config/darwin.c: Likewise.
19002 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19003 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19004 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19006 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19008 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19009 (rs6000_split_compare_and_swapqhi): New.
19010 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19011 (sync_compare_and_swapqhi_internal): New.
19012 * config/rs6000/rs6000-protos.h: Declare.