1 2006-11-21 Janis Johnson <janis187@us.ibm.com>
3 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
5 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
7 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
9 2006-11-21 Richard Guenther <rguenther@suse.de>
11 * tree-vectorizer.h (NUM_PATTERNS): Increase.
12 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
13 vect_recog_pow_pattern.
14 (vect_recog_pow_pattern): New function.
16 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
18 * config/bfin/bfin.opt (mstack-check-l1): New.
19 * doc/invoke.texi (Blackfin Options): Document it.
20 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
21 stack bounds in L1 memory if the new option is enabled.
22 (override_options): Don't allow combinations of -fstack-limit and
24 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
27 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
29 (bfin_register_move_cost): Bump costs if trying to move plain
30 integer values through accumulators.
32 2006-11-21 Ben Elliston <bje@au.ibm.com>
34 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
36 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
37 Russell Olsen <Russell_Olsen@playstation.sony.com>
38 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
39 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
40 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
41 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
42 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
44 * config.gcc: Add target for SPU.
45 * config/spu/constraints.md: New file.
46 * config/spu/crt0.c: New file.
47 * config/spu/crtend.c: New file.
48 * config/spu/crti.asm: New file.
49 * config/spu/crtn.asm: New file.
50 * config/spu/float_unsdidf.c: New file.
51 * config/spu/float_unssidf.c: New file.
52 * config/spu/predicates.md: New file.
53 * config/spu/spu-builtins.def: New file.
54 * config/spu/spu-builtins.h: New file.
55 * config/spu/spu-builtins.md: New file.
56 * config/spu/spu-c.c: New file.
57 * config/spu/spu-elf.h: New file.
58 * config/spu/spu-modes.def: New file.
59 * config/spu/spu-protos.h: New file.
60 * config/spu/spu.c: New file.
61 * config/spu/spu.h: New file.
62 * config/spu/spu.md: New file.
63 * config/spu/spu.opt: New file.
64 * config/spu/spu_internals.h: New file.
65 * config/spu/spu_intrinsics.h: New file.
66 * config/spu/spu_mfcio.h: New file.
67 * config/spu/t-spu-elf: New file.
68 * config/spu/vec_types.h: New file.
69 * config/spu/vmx2spu.h: New file.
70 * doc/contrib.texi: Document SPU contributor.
71 * doc/extend.texi: Document SPU extensions.
72 * doc/invoke.texi: Document SPU options.
73 * doc/md.texi: Document SPU constraints.
75 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
77 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
79 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
81 (flow_loop_dump): Do not dump loop level.
82 (flow_loops_find): Do not call flow_loops_level_compute.
83 * cfgloop.h (struct loop): Remove level field.
85 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
87 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
88 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
89 Use vector of edges instead of array.
90 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
91 estimate_numbers_of_iterations_loop): Ditto.
92 * predict.c (predict_loops): Ditto.
93 * loop-unroll.c (analyze_insns_in_loop): Ditto.
94 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
96 * basic-block.h: Declare heap allocation for edge vectors.
97 * tree-outof-ssa.c: Ditto.
98 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
99 * cfgloop.h (get_loop_exit_edges): Declaration changed.
101 2006-11-20 Zack Weinberg <zackw@panix.com>
103 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
104 Add another out parameter, "skip".
105 (set_gc_used_type): Adjust calls to process_gc_options. If a field
106 is tagged "skip", do not mark its type used.
108 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
111 * tree-sra.c (single_scalar_field_in_record_p): New function.
112 (decide_block_copy): Use it.
114 2006-11-20 David Daney <ddaney@avtrex.com>
116 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
117 PC to point to following instruction.
119 2006-11-20 Anatoly Sokolov <aesok@post.ru>
123 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
125 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
127 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
129 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
130 Add sh/superh.h to tm_file.
132 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
133 Mark Mitchell <mark@codesourcery.com>
135 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
137 (cpp_relocated): New function.
138 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
140 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
141 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
142 replace configured prefix with gcc_exec_prefix.
144 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
146 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
147 bfin_legitimate_constant_p.
148 * config/bfin/bfin.md (movsi expander): Check return value of
150 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
151 (expand_move): Adjust prototype.
152 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
153 invalid constants specially.
154 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
156 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
158 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
159 sibcall_value_symbol): Allow these patterns if
160 TARGET_LEAF_ID_SHARED_LIBRARY.
161 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
162 (override_options): Turn on id shared library flags if -msep-data,
163 but disallow the combination of these options on the command line.
164 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
165 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
166 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
168 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
169 * doc/invoke.texi (Blackfin Options): Document new switches.
171 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
172 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
174 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
175 inflate costs for addresses with an out-of-bounds address.
177 2006-11-19 Andrew Pinski <pinskia@gmail.com>
180 * fwprop.c (loops): Remove.
181 (forward_propagate_into): Use current_loops instead of
183 (fwprop_init): Call loop_optimizer_init instead of
185 (fwprop_done): Call loop_optimizer_finalize instead of
187 (fwprop): Use current_loops instead of loops.
189 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
192 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
194 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
197 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
198 larger than BITS_PER_WORD.
200 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
204 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
205 to MAX_FIXED_MODE_SIZE.
207 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
209 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
210 (fold_builtin_fmin_fmax): New.
211 (fold_builtin_1): Use it.
213 * fold-const.c (fold_strip_sign_ops): Handle copysign.
215 2006-11-18 Richard Guenther <rguenther@suse.de>
217 * config/i386/i386.c (ix86_builtins): New array for ix86
218 builtin function decls.
219 (def_builtin): New function.
220 (def_builtin_const): Likewise.
221 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
223 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
225 * doc/invoke.texi (core2): Add item.
227 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
229 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
230 (TARGET_CPU_DEFAULT_generic): Change value.
231 (TARGET_CPU_DEFAULT_NAMES): Add core2.
232 (processor_type): Add new constant PROCESSOR_CORE2.
234 * config/i386/i386.md (cpu): Add core2.
236 * config/i386/i386.c (core2_cost): New initialized variable.
237 (m_CORE2): New macro.
238 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
239 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
240 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
241 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
242 x86_partial_reg_dependency, x86_memory_mismatch_stall,
243 x86_accumulate_outgoing_args, x86_prologue_using_move,
244 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
245 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
246 x86_use_incdec, x86_four_jump_limit, x86_schedule,
247 x86_pad_returns): Add m_CORE2.
248 (override_options): Add entries for Core2.
249 (ix86_issue_rate): Add case for Core2.
251 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
253 * doc/invoke.texi: Fix mno-isel typo.
255 2006-11-18 Joseph Myers <joseph@codesourcery.com>
257 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
258 easy vector constant loads.
260 2006-11-18 Joseph Myers <joseph@codesourcery.com>
262 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
263 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
264 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
265 * config/rs6000/sync.md (lwsync): Emit plain sync if
268 2006-11-17 DJ Delorie <dj@redhat.com>
270 * reload1.c (reloads_unique_chain): New.
271 (reloads_conflict): Call it.
273 2006-11-17 Bob Wilson <bob.wilson@acm.org>
275 * config/xtensa/predicates.md (addsubx_operand): New.
276 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
277 (xtensa_emit_bit_branch): New.
278 (xtensa_emit_movcc): New.
279 * config/xtensa/xtensa.md (any_minmax): New code macro.
280 (minmax): New code attribute.
281 (any_cond, any_scc, any_scc_sf): New code macros.
282 (*addx2, *addx4, *addx8): Delete.
284 (*subx2, *subx4, *subx8): Delete.
286 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
287 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
288 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
289 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
290 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
291 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
292 (movsfcc_internal0, movsfcc_internal1): Likewise.
293 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
294 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
295 (xtensa_emit_bit_branch): New.
296 (xtensa_emit_movcc): New.
297 (function_arg_boundary): Add missing prototype.
299 2006-11-17 Bob Wilson <bob.wilson@acm.org>
301 * config/xtensa/xtensa.md (tstsi): Delete
303 2006-11-17 Bob Wilson <bob.wilson@acm.org>
305 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
307 2006-11-17 Bob Wilson <bob.wilson@acm.org>
309 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
311 2006-11-17 Bob Wilson <bob.wilson@acm.org>
313 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
315 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
317 * tree-vrp.c (execute_vrp): Do not update current_loops.
318 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
319 * doc/loop.texi: Remove documentation for cancelled functions.
320 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
321 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
323 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
324 (remove_path): Ensure that in delete_basic_blocks, the loops
326 (add_loop): Work on valid loop structures.
327 (loopify): Modify call of add_loop.
328 (mfb_update_loops): Removed.
329 (create_preheader): Do not update loops explicitly.
330 (force_single_succ_latches, loop_version): Do not use
331 loop_split_edge_with.
332 (loop_split_edge_with): Removed.
333 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
334 Do not use bsi_insert_on_edge_immediate_loop.
335 (split_loop_exit_edge, tree_unroll_loop): Do not use
336 loop_split_edge_with.
337 (bsi_insert_on_edge_immediate_loop): Removed.
338 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
339 use loop_split_edge_with.
340 * cfghooks.c: Include cfgloop.h.
341 (verify_flow_info): Verify that loop_father is filled iff current_loops
343 (redirect_edge_and_branch_force, split_block, delete_basic_block,
344 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
346 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
348 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
349 loop_split_edge_with.
350 (sms_schedule): Use current_loops.
351 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
352 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
354 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
355 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
356 * ifcvt.c (if_convert): Ditto.
357 * predict.c (predict_loops): Do not clear current_loops.
358 (tree_estimate_probability): Use current_loops.
359 (propagate_freq): Receive head of the region to propagate instead of
361 (estimate_loops_at_level): Do not use shared to_visit bitmap.
362 (estimate_loops): New function. Handle case current_loops == NULL.
363 (estimate_bb_frequencies): Do not allocate tovisit. Use
365 * tree-ssa-loop.c (current_loops): Removed.
366 (tree_loop_optimizer_init): Do not return loops.
367 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
368 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
369 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
370 Do not update loops explicitly.
371 * function.h (struct function): Add x_current_loops field.
372 (current_loops): New macro.
373 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
374 * loop-unroll.c (split_edge_and_insert): New function.
375 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
376 use loop_split_edge_with.
377 * loop-doloop.c (add_test, doloop_modify): Ditto.
378 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
379 * cfglayout.c (copy_bbs): Do not update loops explicitly.
380 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
381 * tree-vect-transform.c (vect_transform_loop): Do not update loops
383 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
384 (flow_loops_free): Do not free dfs_order and rc_order.
385 (flow_loops_find): Do not set dfs_order and rc_order in loops
386 structure. Do not call loops and flow info verification.
387 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
388 already belongs to some loop.
389 * cfgloop.h (struct loops): Remove struct cfg.
390 (current_loops, loop_split_edge_with): Declaration removed.
391 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
392 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
394 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
395 * basic-block.h (split_edge_and_insert): Declare.
396 * tree-cfg.c (remove_bb): Do not update loops explicitly.
398 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
400 PR tree-optimization/29801
401 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
402 (get_default_value): Use get_symbol_constant_value.
403 (set_lattice_value): ICE when the value of the constant is
405 (visit_assignment): Ignore VDEFs of read-only variables.
407 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
409 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
411 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
412 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
414 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
416 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
417 select subvars of var.
419 2006-11-17 Jakub Jelinek <jakub@redhat.com>
422 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
423 optimize if DEF doesn't have integral type.
425 2006-11-16 Mike Stump <mrs@apple.com>
427 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
428 pre-darwin9 system, unless the user asks for it directly.
429 (PREFERRED_DEBUGGING_TYPE): Likewise.
430 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
431 * config.gcc: Add suppport for darwin9.h.
432 * config/darwin9.h: Add.
433 * doc/install.texi (Specific): Clarify darwin documentation.
435 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
437 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
440 2006-11-16 Mike Stump <mrs@apple.com>
442 * Makefile.in (targhooks.o): Add $(OPTABS_H).
444 2006-11-16 Dirk Mueller <dmueller@suse.de>
446 * tree-vrp.c (get_value_range): Use XCNEW instead
448 (insert_range_assertions): Use XCNEWVEC instead
449 of XNEWVEC and memset.
450 (vrp_initialize): Same.
451 (vrp_finalize): Same.
452 * tree-ssa-ccp.c (ccp_initialize): Same.
453 * predict.c (tree_bb_level_predictions): Same.
454 * calls.c (expand_call): Same.
455 * tree-ssa-copy.c (init_copy_prop): Same.
456 (fini_copy_prop): Same.
457 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
458 of GGC_NEW and memset.
460 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
463 * gimplify.c (gimplify_expr): Only force a load for references to
464 non-BLKmode volatile values.
465 * doc/implement-c.texi (Qualifiers implementation): Document the
466 interpretation of what a volatile access is.
467 * doc/extend.texi (C++ Extensions): Rework same documentation.
469 2006-11-16 Joseph Myers <joseph@codesourcery.com>
471 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
474 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
476 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
478 (arm_neg_abssi2): Renamed from neg_abssi2.
479 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
481 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
483 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
484 number of arguments passed to local functions in SSE registers is 3.
486 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
487 number of arguments passed in SSE registers to 3.
489 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
492 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
494 (get_last_bb_insn): ... new global function.
495 (basic_block.h): Declare it.
496 * haifa-sched.c (create_recovery_block): Use it.
498 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
501 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
503 2006-11-15 Paul Brook <paul@codesourcery.com>
505 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
506 _Unwind_GetTextRelBase): Move from here ...
507 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
508 _Unwind_GetTextRelBase): ... To here.
510 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
512 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
513 addresses we generate for testing are aligned.
515 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
518 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
519 to what is the const decl is a place holder for.
521 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
523 * config/i386/i386.opt: New target option -mx87regparm.
525 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
526 and float_in_x87 variables. mmx_words, sse_words: Remove.
527 (X87_REGPARM_MAX): Define.
529 * config/i386/i386.c (override_options): Error out for
530 -mx87regparm but no 80387 support.
531 (ix86_attribute_table): Add x87regparm.
532 (ix86_handle_cconv_attribute): Update comments for x87regparm.
533 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
534 (ix86_function_x87regparm): New function.
535 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
537 (init_cumulative_args): Initialize x87_nregs and float_in_x87
539 (function_arg_advance): Process x87_nregs and x87_regno when
540 floating point argument is to be passed in 80387 register.
541 (function_arg): Pass XFmode arguments in 80387 registers for local
542 functions. Pass SFmode and DFmode arguments to local functions
543 in 80387 registers when flag_unsafe_math_optimizations is set.
545 * reg-stack.c (convert_regs_entry): Disable NaN load for
546 stack registers that are used for argument passing.
548 * doc/extend.texi: Document x87regparm function attribute.
549 * doc/invoke.texi: Document -mx87regparm.
551 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
553 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
554 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
555 arg MODE; all callers changed. Use it to determine validity per
556 machine mode instead of using Pmode for all memory references.
557 (get_address_cost): Likewise add and use new arg MEM_MODE.
559 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
560 J"orn Rennecke <joern.rennecke@st.com>
562 * combine.c (likely_spilled_retval_1): Fix masking operation.
563 (likely_spilled_retval_p): Use proper pattern for call to
564 likely_spilled_retval_1.
566 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
568 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
570 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
571 that tests for CONSTANT_POOL_ADDRESS_P.
573 2006-11-15 Jakub Jelinek <jakub@redhat.com>
575 PR tree-optimization/29581
576 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
577 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
578 type is different between Y and USE, create a temporary
579 variable, initialize it at the beginning of the body bb
580 and use it as replacement instead of Y.
582 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
585 * gimplify.c (fold_indirect_ref_rhs): Use
586 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
588 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
590 * expmed.c (emit_store_flag_1): New function.
591 (emit_store_flag): Call it. If we can't find a suitable scc insn,
593 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
594 Use do_compare_rtx_and_jump.
595 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
596 * arm.md (cstoresi4): New define_expand.
597 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
598 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
599 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
601 2006-11-14 Caroline Tice <ctice@apple.com>
603 * dwarf2out.c (debug_pubtypes_section): New static global variable.
604 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
606 (pubname_table): Redefine as a vector.
607 (pubtype_table): New static global variable, defined as a vector.
608 (pubname_table_allocated): Remove static global variable.
609 (pubname_table_in_use): Remove static global variable.
610 (PUBNAME_TABLE_INCREMENT): Remove constant.
611 (size_of_pubnames): Add parameter to deal with either pubnames or
612 pubtypes, and change code to deal with table being a vector.
613 (add_pubname): Change to deal with table being a vector.
614 (add_pubtype): New function.
615 (output_pubnames): Add parameter to deal with either pubnames or
616 pubtypes, and change code to deal with table being a vector.
617 (gen_array_type_die): Add call to add_pubtype.
618 (gen_enumeration_type_die): Add call to add_pubtype.
619 (gen_struct_or_union_type_die): Add call to add_pubtype.
620 (gen_subroutine_type_die): Add call to add_pubtype.
621 (gen_typedef_die): Add call to add_pubtype.
622 (dwarf2out_init): Add code to initialize pubname_table and
623 pubtype_table vectors; also initialize debug_pubtypes_section.
624 (prune_unused_types): Change to deal with pubnames being a vector.
625 (dwarf2out_finish): Change to deal with pubnames being a vector; add
626 pubnames table to call to output_pubnames; Add code to output pubtypes
627 table if DEBUG_PUBTYPES_SECTION is defined.
628 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
630 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
632 2006-11-14 Joseph Myers <joseph@codesourcery.com>
634 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
635 iwmmxt_nregs if TARGET_IWMMXT_ABI.
636 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
637 movv2si_internal): Support moves between core registers.
639 2006-11-14 Eric Christopher <echristo@apple.com>
641 * configure: Regenerate with autoconf 2.59.
643 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
645 Fix PR tree-optimization/27755
647 * tree-ssa-pre.c: Update comments.
648 (bb_bitmap_sets): Add pa_in and deferred member.
649 (BB_DEFERRED): New macro.
650 (maximal_set): New variable.
651 (pre_stats): Add pa_insert member.
652 (bitmap_set_and): Short circuit orig == dest.
653 (bitmap_set_subtract_values): New function.
654 (bitmap_set_contains_expr): Ditto.
655 (translate_vuses_through_block): Add phiblock argument.
656 (dependent_clean): New function.
657 (compute_antic_aux): Update for maximal_set changes.
658 (compute_partial_antic_aux): New function.
659 (compute_antic): Handle partial anticipation.
660 (do_partial_partial_insertion): New function.
661 (insert_aux): Handle partial anticipation.
662 (add_to_sets): Add to maximal set.
663 (compute_avail): Ditto.
664 (init_pre): Initialize maximal_set.
665 (execute_pre): Do partial anticipation if -O3+.
667 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
669 PR rtl-optimization/29798
671 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
672 TARGET_INSN before any other check.
673 (fwprop_init): Always calculate dominators.
674 (fwprop_done): Always free them.
676 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
678 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
681 2006-11-13 DJ Delorie <dj@redhat.com>
683 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
684 temporary for intermediates.
686 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
688 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
689 (sh_optimize_target_register_callee_saved): #if 0 the code
690 using NOTE_INSN_LOOP_{BEG,END}.
692 2006-11-13 Roger Sayle <roger@eyesopen.com>
694 * fold-const.c (optimize_bit_field_compare): Recursively call
695 fold when simplifying non-constant comparisons between bit-fields.
697 2006-11-13 Jakub Jelinek <jakub@redhat.com>
699 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
701 * configure: Rebuilt.
703 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
705 * config/rs6000/cell.md: New file.
706 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
708 (ppccell_cost): New cost matrix.
709 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
710 (rs6000_override_options): Set rs6000_always_hint to false
711 for cell. Also align functions/lables/loops to 8byte
712 for the Cell. Use PROCESSOR_CELL.
713 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
715 (rs6000_variable_issue): If the insn is a nonpipelined instruction
716 on the Cell, return 0.
717 (rs6000_adjust_cost): Add Cell cost adjustments.
718 (is_microcoded_insn): Return true for Cell microcoded
720 (is_nonpipeline_insn): New function.
721 (rs6000_issue_rate): Add PROCESSOR_CELL.
722 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
724 (rs6000_use_sched_lookahead_guard): New function.
725 (rs6000_sched_reorder): Reorder the ready list, if the second
726 to last ready insn is a nonepipeline insn on the Cell.
727 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
728 (ASM_CPU_SPEC): Add Cell.
729 * config/rs6000/rs6000.md (cpu): Add Cell.
730 (cell_micro): New Attr.
733 2006-11-13 Jakub Jelinek <jakub@redhat.com>
735 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
737 * configure: Rebuilt.
739 2006-11-13 Richard Guenther <rguenther@suse.de>
741 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
743 (ix86_expand_lfloorceil): Likewise.
744 (ix86_expand_rint): Likewise.
745 (ix86_expand_floorceildf_32): Likewise.
746 (ix86_expand_floorceil): Likewise.
747 (ix86_expand_rounddf_32): Likewise.
748 (ix86_expand_truncdf_32): Likewise.
749 (ix86_expand_round): Likewise.
751 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
752 Mark Mitchell <mark@codesourcery.com>
754 * gcc.c: Organize search path variables into $prefix relative,
755 and well-known native. Add comments.
756 (add_sysrooted_prefix): Add comment.
757 (process_command): If !gcc_exec_prefix add $prefix based paths.
758 If *cross_compile == '0', add native well-known paths.
759 Assert tooldir_base_prefix is always relative.
760 (main): If print_search_dirs, and if gcc_exec_prefix is set,
761 use this value for 'install:' path.
762 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
764 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
766 * config/i386/i386.c: Fix a typo in comment.
768 2006-11-13 Michael Matz <matz@suse.de>
770 * genemit.c (gen_expand): Allocate enough memory.
772 2006-11-13 Joseph Myers <joseph@codesourcery.com>
774 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
775 __GXX_TYPEINFO_EQUALITY_INLINE but not
776 __GXX_MERGED_TYPEINFO_NAMES.
777 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
778 __GXX_MERGED_TYPEINFO_NAMES.
779 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
780 __GXX_TYPEINFO_EQUALITY_INLINE.
782 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
783 Zdenek Dvorak <dvorakz@suse.cz>
785 PR tree-optimization/29680
786 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
789 2006-11-12 Jason Merrill <jason@redhat.com>
790 Andrew Pinski <pinskia@physics.uc.edu>
793 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
795 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
797 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
798 * tree.c (build_vector): Handle non-_CST elements.
800 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
802 * genemit.c (gen_insn): Call gen_exp with a non-null used
803 when handling multiple insns.
804 (gen_expand): Likewise.
805 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
806 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
807 (movsi_const_16bit+1): Copy operands[1].
808 (call_pcrel): Copy the call_site pattern.
809 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
811 2006-11-12 Roger Sayle <roger@eyesopen.com>
813 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
814 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
815 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
816 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
818 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
820 Fix PR tree-optimization/29587
821 * tree-ssa-structalias.c (process_constraint): Don't
822 mark address taken due only to escaped vars constraint.
824 2006-11-12 Michael Matz <matz@suse.de>
825 Roger Sayle <roger@eyesopen.com>
827 PR rtl-optimization/29797
828 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
829 BITS_BIG_ENDIAN targets.
831 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
833 * builtins.c (fold_builtin_cosh): New.
834 (fold_builtin_1): Use it.
835 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
836 trunc to the list of "odd" functions. Also add llrint, lrint,
837 rint and nearbyint when flag_rounding_math is false.
839 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
841 * tree-flow.h (name_mappings_registered_p): Declare.
842 * tree-into-ssa.c (name_mappings_registered_p): New function.
843 * tree-cfg.c (tree_can_merge_blocks_p): Check
844 name_mappings_registered_p instead of need_ssa_update_p.
846 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
848 * tree-ssa-loop.c (tree_vectorize): Return the result of
850 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
852 * tree-vectorizer.h (vectorize_loops): Declaration removed.
853 * tree-flow.h (vectorize_loops): Declaration changed.
855 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
857 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
859 (issue_prefetch_ref): Move assignment to write_p out of loop.
860 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
861 SIMULTANEOUS_PREFETCHES into account.
862 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
863 * lambda-code.c (lcm): Renamed to ...
864 (least_common_multiple): ... and exported.
865 * tree-flow.h (least_common_multiple): Declare.
867 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
869 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
870 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
871 ud-chains. Handle AND_EXPR.
872 (record_estimate): Record whether the estimate is realistic
873 and whether it is derived from a loop exit.
874 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
875 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
877 (compute_estimated_nb_iterations): Take only realistic bounds into
878 account. Set estimate_state. Use double_ints.
879 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
880 and infer_loop_bounds_from_signedness. Do not consider basic blocks
881 that do not have to be always executed.
882 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
883 to determine whether to call infer_loop_bounds_from_undefined
884 and compute_estimated_nb_iterations.
885 (n_of_executions_at_most): Use double_ints.
886 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
887 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
888 * double-int.c (double_int_to_tree): Improve comment.
889 (double_int_fits_to_tree_p): New function.
890 * double-int.h (double_int_fits_to_tree_p): Declare.
891 * tree-data-ref.c: Include langhooks.h.
892 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
893 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
894 (analyze_array): Do not pass estimate_only argument to
895 analyze_array_indexes.
896 (get_number_of_iters_for_loop): Build tree from the stored double_int
898 (get_references_in_stmt, find_data_references_in_stmt): New functions.
899 (find_data_references_in_loop): Use find_data_references_in_stmt.
900 * tree-data-ref.h (struct data_ref_loc_d): New.
901 (get_references_in_stmt): Declare.
902 (estimate_iters_using_array): Declaration removed.
903 * cfgloop.h (struct nb_iter_bound): Change type of bound to
904 double_int. Improve comments. Add is_exit and realistic
906 (struct loop): Changed type of estimated_nb_iterations to double_int.
907 Added estimate_state field.
908 (record_estimate): Declaration removed.
910 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
912 * params.c (set_param_value): Initialize the "set" field.
913 * params.h (struct param_info): Add "set" field.
914 (PARAM_SET_P): New macro.
915 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
916 L1_CACHE_LINE_SIZE): New macros.
917 * toplev.c (DEFPARAM): Initialize the "set" field.
918 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
919 SIMULTANEOUS_PREFETCHES): Removed.
920 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
921 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
922 * config/sparc/sparc.c: Include params.h.
923 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
924 L1_CACHE_LINE_SIZE parameters.
925 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
927 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
929 * config/i386/i386.c: Include params.h.
930 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
931 (override_options): Set SIMULTANEOUS_PREFETCHES and
932 L1_CACHE_LINE_SIZE parameters.
933 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
934 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
935 L1_CACHE_LINE_SIZE parameters.
936 * config/ia64/ia64.c (ia64_optimization_options): Set
937 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
938 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
940 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
941 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
942 * doc/invoke.texi: Document new params.
944 2006-11-12 Roger Sayle <roger@eyesopen.com>
946 PR tree-optimization/13827
947 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
950 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
952 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
953 update_single_exit_for_duplicated_loops): New functions.
954 (duplicate_loop_to_header_edge): Use
955 update_single_exit_for_duplicated_loops.
956 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
957 functions only with ENABLE_CHECKING.
959 2006-11-12 Andreas Schwab <schwab@suse.de>
961 * except.c (sjlj_emit_function_enter): Remove unused variable.
963 2006-11-11 Roger Sayle <roger@eyesopen.com>
965 * fold-const.c (int_binop_types_match_p): New function.
966 (size_binop): Relax constraint that both arguments must both have
967 exactly the same sizetype type. Instead use int_binop_types_match_p.
968 (size_diffop): Likewise.
970 (make_range): Use build_int_cst instead of fold_convert.
971 (fold_cond_expr_with_comparison): Use build_int_cst to construct
972 integer constants of the correct type.
973 (fold_div_compare): Likewise.
974 (fold_single_bit_test): Likewise.
975 (fold_binary): Likewise.
976 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
977 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
979 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
982 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
983 non null value if the struct memory access is in the 0th
986 2006-11-12 Jie Zhang <jie.zhang@analog.com>
989 2006-11-11 Jie Zhang <jie.zhang@analog.com>
990 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
993 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
994 instead of builtin_define for bfin and BFIN.
996 2006-11-11 Jie Zhang <jie.zhang@analog.com>
998 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1001 2006-11-11 Jan Hubicka <jh@suse.cz>
1003 * extended.texi (__builtin_expect): We no longer require second argument
1005 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1006 * builtins.c (expand_builtin_expect): Simplify.
1007 (expand_builtin_expect_jump): Kill.
1008 * final.c (final_scan_insn): Do not skip the removed notes.
1009 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1010 EXPECTED_VALUE): Remove.
1011 * dojump.c (do_jump): Do not care about __builtin_expect.
1012 * predict.c (expected_value_to_br_prob): Kill.
1013 * function.c (expand_function_end): Do not expand
1014 NOTE_INSN_REPEATED_LINE_NUMBER.
1015 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1016 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1017 * cfgexpand.c (add_reg_br_prob_note): Export.
1018 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1019 expected_value_to_br_prob.
1020 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1021 * rtl.h (add_reg_br_prob_note): Declare.
1023 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1025 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1027 2006-11-11 Jan Hubicka <jh@suse.cz>
1029 * predict.c (predict_loops): Kill RTL variant.
1031 2006-11-11 Jan Hubicka <jh@suse.cz>
1033 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1034 * modulo-sched.c (find_line_note): Remove.
1035 (loop_canon_p): Do not worry about line number notes.
1036 (sms_schedule): Likewise.
1037 * cse.c (cse_main): Likewise.
1038 * regmove.c (fixup_match_1): Likewise
1039 * function.c (emit_return_info_block): Likewise.
1040 (expand_function_end): Likewise.
1041 (thread_prologue_an_epilogue_insns): Likewise.
1042 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1044 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1045 emit_note_copy_after): Kill.
1046 (emit_note_copy): Do not worry about line numbers.
1047 * jump.c (purge_line_number_notes): Kill.
1048 (pass_purge_lineno_notes): Kill.
1049 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1051 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1052 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1053 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1054 * tree-pass.h (pass_purge_lineno_notes): Kill.
1055 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1056 rm_redundant_line_notes.
1057 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1058 rm_redundant_line_notes.
1059 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1060 * haifa-sched.c: Update comment about handling notes.
1061 (unlink_line_notes): Kill.
1062 (rm_line_notes): Kill.
1063 (save_line_notes): Simplify.
1064 (rm_redundant_line_notes): Kill.
1066 2006-11-11 Richard Guenther <rguenther@suse.de>
1068 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1069 Remove unused tree codes.
1070 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1071 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1072 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1073 * tree.c (stabilize_reference): Likewise.
1074 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1075 fold_unary): Likewise.
1076 * tree-gimple.c (is_gimple_cast): Likewise.
1077 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1078 * expr.c (expand_expr_real_1): Likewise.
1079 * tree-eh.c (tree_could_trap_p): Likewise.
1080 * gimplify.c (gimplify_expr): Likewise.
1081 * tree-inline.c (estimate_num_insns_1): Likewise.
1082 * tree-cfg.c (verify_expr): Likewise.
1084 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1086 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1087 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1088 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1090 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1093 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1094 constraints accept neither registers or memories.
1096 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1098 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1099 (NO_PROFILE_COUNTERS): Define as 1.
1101 2006-11-10 Roger Sayle <roger@eyesopen.com>
1103 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1104 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1106 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1108 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1110 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1112 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1113 (fold_builtin_hypot): Likewise.
1114 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1116 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1118 2006-11-10 Roger Sayle <roger@eyesopen.com>
1120 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1121 when attempting to build INTEGER_CSTs of non-integral types.
1122 * expmed.c (make_tree): Use the correct type, i.e. the inner
1123 type, when constructing the individual elements of a CONST_VECTOR.
1125 2006-11-10 Jan Hubicka <jh@suse.cz>
1127 * cse.c (cse_process_notes): Copy the propagated value.
1128 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1130 * gcse.c (try_replace_reg): Copy the replacement.
1131 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1132 (assign_386_stack_local): Always return copied memory expression
1133 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1136 2006-11-10 Jan Hubicka <jh@suse.cz>
1138 * final.c (final): Walk from first instruction.
1139 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1141 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1144 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1146 (umulv8hi3_highpart): Ditto.
1147 (vec_widen_smult_hi_v8hi): New expander.
1148 (vec_widen_smult_lo_v8hi): Ditto.
1150 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1153 * builtins.c (do_mpfr_arg3): New.
1154 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1156 2006-11-09 Eric Christopher <echristo@apple.com>
1161 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1162 * config.gcc (powerpc64-*-darwin*): New target.
1163 * config.host: Ditto.
1164 * config/rs6000/darwin64.h: New file.
1165 * config/rs6000/x-darwin64: Ditto.
1166 * config/rs6000/host-ppc64-darwin.c: Ditto.
1168 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1170 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1171 routines for integer division.
1173 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1175 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1177 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1180 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1182 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1184 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1185 simplify_subreg with BLKmode outer mode.
1187 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1189 * doc/invoke.texi: Minor formatting fixes in option lists.
1191 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1193 PR tree-optimization/29738
1194 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1195 (ccp_lattice_t): Remove UNKNOWN_VAL.
1196 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1197 Do not handle UNKNOWN_VAL.
1198 (get_default_value): Set initial value of virtual operands to
1200 (get_value): Always use get_default_value on uninitialized
1202 (set_value_varying, surely_varying_stmt_p): New functions.
1203 (set_lattice_value): Do not pass argument to get_value.
1204 Do not handle UNKNOWN_VAL.
1205 (likely_value): Follow the semantics described in the comment.
1206 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1207 phi nodes DONT_SIMULATE_AGAIN.
1208 (ccp_fold): Do not pass argument to get_value.
1209 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1212 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1214 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1215 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1217 2006-11-08 Roger Sayle <roger@eyesopen.com>
1219 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1220 test for inclusion rather than as a test for exclusion.
1221 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1222 the condition after calling fold_binary.
1223 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1224 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1225 * builtins.c (fold_builtin_isascii): Likewise.
1226 (fold_builtin_isdigit): Likewise.
1228 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1230 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1231 * configure: Regenerate.
1233 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1235 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1236 enum argument instead of bool.
1237 (vect_analyze_operations): Call vectorizable_type_promotion.
1238 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1239 stmt_vec_info_type value.
1240 (supportable_widening_operation, vectorizable_type_promotion): New
1241 function declarations.
1242 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1243 (vectorizable_type_promotion): New function.
1244 (vect_transform_stmt): Call vectorizable_type_promotion.
1245 * tree-vect-analyze.c (supportable_widening_operation): New function.
1246 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1248 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1251 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1252 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1253 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1255 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1256 * expr.c (expand_expr_real_1): Likewise.
1257 * optabs.c (optab_for_tree_code): Likewise.
1258 (init_optabs): Initialize new optabs.
1259 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1260 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1261 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1262 vec_unpacku_lo_optab): Initialize new optabs.
1263 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1264 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1265 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1267 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1268 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1269 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1270 (vec_unpacku_lo_optab): New optabs.
1271 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1272 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1273 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1274 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1275 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1276 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1278 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1279 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1280 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1281 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1282 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1283 implement the unsigned unpacking patterns.
1284 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1285 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1286 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1287 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1288 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1289 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1290 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1291 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1292 multiplication patterns.
1294 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1295 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1296 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1297 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1298 (rs6000_builtin_mul_widen_odd): New.
1299 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1300 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1301 * tree-vectorizer.h (enum vect_relevant): New enum type.
1302 (_stmt_vec_info): Field relevant chaned from bool to enum
1304 (STMT_VINFO_RELEVANT_P): Updated.
1305 (STMT_VINFO_RELEVANT): New.
1306 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1307 instead of STMT_VINFO_RELEVANT_P.
1308 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1309 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1310 and boolean variable with enum vect_relevant.
1311 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1312 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1313 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1315 2006-11-08 Richard Henderson <rth@redhat.com>
1317 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1318 vec_widen_umult_lo_v8hi): New.
1319 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1320 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1322 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1323 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1324 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1325 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1326 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1327 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1328 vec_unpacks_lo_v4si): New.
1330 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1332 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1333 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1334 (vect_analyze_operations): Call vectorizable_type_demotion.
1335 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1336 stmt_vec_info_type value.
1337 (vectorizable_type_demotion): New function declaration.
1338 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1341 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1342 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1344 * tree-iniline.c (estimate_num_insns_1): Likewise.
1345 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1346 * optabs.c (optab_for_tree_code): Likewise.
1348 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1349 compared against the predicate of the result is not 'mode' (the input
1350 to the function) but a mode with half the size of 'mode'.
1351 (init_optab): Initialize new optabs.
1352 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1354 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1356 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1357 (vec_pack_usat_optab): Initialize new optabs.
1358 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1359 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1361 2006-11-08 Richard Henderson <rth@redehat.com>
1363 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1364 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1365 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1366 (vec_interleave_highv4si, vec_interleave_lowv4si):
1367 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1369 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1371 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1373 (vect_transform_stmt): Removed redundant code.
1375 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1377 * tree-vect-transform.c (vectorizable_operation): Support multiple
1380 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1382 * tree-vect-transform.c (vect_align_data_ref): Removed.
1383 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1384 Updated function documentation. Return the increment stmt in ptr_incr.
1385 (bump_vector_ptr): New function.
1386 (vect_get_vec_def_for_stmt_copy): New function.
1387 (vect_finish_stmt_generation): Create a stmt_info to newly created
1389 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1391 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1392 VF is greater than the number of elements that can fit in one vector
1394 (vectorizable_operation, vectorizable_condition): Likewise.
1395 (vectorizable_store, vectorizable_load): Support the case that the VF
1396 is greater than the number of elements that can fit in one vector word.
1397 (vect_transform_loop): Don't fail in case of multiple data-types.
1398 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1399 in case of multiple data-types; the smallest type determines the VF.
1400 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1401 if they are of different sizes.
1402 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1403 number of elements rather than number of bytes.
1404 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1405 (vect_can_advance_ivs_p): Fix a dump printout
1407 2006-11-07 Eric Christopher <echristo@apple.com>
1409 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1410 (__bswapsi2): Ditto.
1411 * libgcc2.h: Remove transformation of bswap routines.
1412 * config/i386/i386.md (bswapsi2): New.
1415 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1417 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1418 (handle_gnu_inline_attribute): New function.
1419 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1420 (merge_decls, start_decl, start_function): Likewise.
1421 * doc/extend.texi: Document gnu_inline attribute.
1423 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1426 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1427 _fixunstfdi, and _floatditf
1429 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1431 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1433 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1434 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1435 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1436 which start in an odd register.
1438 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1440 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1442 2006-11-07 Josh Conner <jconner@apple.com>
1444 * doc/invoke.texi (fstrict-aliasing): Move implementation
1446 * doc/tree-ssa.texi (Alias analysis): ...here.
1448 2006-11-07 Richard Guenther <rguenther@suse.de>
1450 PR tree-optimization/29610
1451 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1452 of tree_purge_dead_eh_edges as it may free dominators.
1454 * g++.dg/other/pr29610.C: New testcase.
1456 2006-11-07 David Ung <davidu@mips.com>
1458 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1459 costs when optimizing for size.
1460 (override_options): Use mips_rtx_cost_optimize_size table for cost
1463 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1465 * gcc.c (process_command): Treat -b as normal switch if its argument
1468 2006-11-07 David Ung <davidu@mips.com>
1470 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1473 2006-11-06 Eric Christopher <echristo@apple.com>
1475 * config.gcc: Add x86_64-darwin host support.
1476 * config.host: Ditto.
1477 * config/i386/darwin64.h: New file.
1478 * config/i386/t-darwin64: Ditto.
1480 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1482 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1483 and output-exists-not.
1485 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1488 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1489 checking for overflow.
1491 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1493 * configure.ac: Fixed typo in case statement: :: changed to ;;
1495 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1497 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1498 count_leading_zeros, and count_trailing_zeros.
1499 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1500 (TARGET_FOLD_BUILTIN): Define.
1501 (TARGET_EXPAND_BUILTIN): Define.
1502 (xtensa_init_builtins): New.
1503 (xtensa_fold_builtin): New.
1504 (xtensa_expand_builtin): New.
1505 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1506 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1507 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1508 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1509 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1510 (any_extend): New code macro.
1511 (u, su): New code attributes.
1512 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1513 (nsau): Remove; replaced by clzsi2.
1514 (ffssi2): Use clzsi2.
1515 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1516 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1517 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1518 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1519 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1521 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1523 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1525 * config/arm/t-strongarm-elf: Likewise.
1526 * config/arm/t-pe: Likewise.
1527 * config/arm/t-arm-elf: Likewise.
1528 * config/arm/t-xscale-elf: Likewise.
1529 * config/arm/t-arm-coff: Likewise.
1530 * config/arm/t-xscale-coff: Likewise.
1531 * config/arm/t-wince-pe: Likewise.
1533 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1535 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1538 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1541 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1544 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1547 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1548 as a valid 80387 constant.
1549 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1550 * config/i386/i386.md (unnamed splitter): Split the load of
1551 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1554 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1556 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1557 from the soft-frame, argument and virtual registers.
1559 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1561 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1562 patterns for standard 80387 constants.
1564 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1565 Steven Bosscher <steven@gcc.gnu.org>
1567 * fwprop.c: New file.
1568 * Makefile.in: Add fwprop.o.
1569 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1570 * passes.c (init_optimization_passes): Schedule forward propagation.
1571 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1573 * timevar.def (TV_FWPROP): New.
1574 * common.opt (-fforward-propagate): New.
1575 * opts.c (decode_options): Enable forward propagation at -O2.
1576 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1577 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1578 canon_for_address, table_size): Remove.
1579 (new_basic_block, insert, remove_from_table): Remove references to
1581 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1582 simplification loop more straightforward by not calling fold_rtx
1584 (equiv_constant): Move here a small part of fold_rtx_subreg,
1585 do not call fold_rtx. Call avoid_constant_pool_reference
1587 * recog.h (canonicalize_change_group): New.
1589 * doc/invoke.texi (Optimization Options): Document fwprop.
1590 * doc/passes.texi (RTL passes): Document fwprop.
1592 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1594 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1595 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1596 (grokdeclarator): Likewise.
1598 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1600 * tree-dump.c (dump_enable_all): Rename local variable
1601 ir_type to avoid name conflicts.
1602 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1603 instead of using ir_type().
1604 * profile.c (tree_register_profile_hooks): Likewise.
1605 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1606 * basic-block.h (struct edge_def): Likewise.
1607 * config/arm/arm.c (legitimize_pic_address): Likewise.
1608 * coretypes.h (ir_type): New enum of all intermediate languages
1610 * cfghooks.c (ir_type): Rename to...
1611 (current_ir_type): ...this. Distinguish between cfgrtl and
1612 cfglayout mode when the current IR is RTL. Return enum ir_type.
1613 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1615 2006-11-03 Paul Brook <paul@codesourcery.com>
1617 * config/arm/arm.c (arm_file_start): New function.
1618 (TARGET_ASM_FILE_START): Define.
1619 (arm_default_cpu): New variable.
1620 (arm_override_options): Set arm_default_cpu.
1622 2006-11-03 David Ung <davidu@mips.com>
1624 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1625 PROCESSOR_24KC and PROCESSOR_24KF.
1626 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1627 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1628 (mips_rtx_cost_data): Add costs for the 24kc.
1629 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1630 * config/mips/24k.md: Remove references to 24k and replace with
1631 uses of 24kc/24kf in the appropriate reservations.
1632 * doc/invoke.texi (MIPS Options): Updated.
1634 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1636 * config/sh/crt1.asm: Fix #ifdef indent.
1638 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1639 Merged from STMicroelectronics sources:
1640 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1641 * config/sh/crt1.asm (vbr_600): Add missing #if.
1642 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1643 * sh.opt (mfused-madd): New option.
1644 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1645 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1646 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1647 Remove pointless handler at VBR+0.
1648 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1649 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1650 fr7. Make sure the timer handler is called with the correct FPU
1651 precision setting, according to the ABI.
1652 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1653 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1654 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1655 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1656 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1657 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1658 zero as second operand.
1659 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1660 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1661 Fixed some bugs related to negative values, in particular -0
1662 and overflow at -0x80000000.
1663 * config/sh/divcost-analysis: Added sh4-300 figures.
1664 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1665 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1666 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1667 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1668 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1669 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1671 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1673 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1674 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1675 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1676 mac_mem, mem_mac, dfp_mul, fp_cmp.
1677 (insn_class, dfp_comp, any_fp_comp): Update.
1678 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1679 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1680 (muldf3_i): Likewise.
1681 (movsi_i): Split rI08 alternative into two separate alternatives.
1683 (movsi_ie, movsi_i_lowpart): Likewise.
1684 (movqi_i): Split ri alternative into two separate alternatives.
1686 * sh1.md (sh1_load_store, sh1_fp): Update.
1687 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1688 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1689 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1690 (sh4a_fp_double_arith): Likewise.
1691 * sh4-300.md: New file.
1692 * sh.c (sh_handle_option): Handle m4-300* options.
1693 (sh_adjust_cost): Fix latency of auto-increments.
1694 Handle SH4-300 differently than other SH4s. Check for new insn types.
1695 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1696 been set by an option.
1697 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1698 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1699 (mbranch-cost=): Likewise.
1700 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1702 * sh.md (mulsf3): Remove special expansion code.
1703 (mulsf3_ie): Now a define_insn_and_split.
1704 (macsf3): Allow for TARGET_SH4.
1706 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1707 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1708 (expand_cbranchdi4): Likewise.
1709 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1710 CONST_DOUBLE if the outer code is COMPARE.
1711 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1712 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1713 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1714 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1715 Remove redundant fp_{zero,one}_operand checks.
1716 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1717 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1718 (expand_cbranchdi4): Likewise.
1719 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1720 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1722 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1724 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1727 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1729 * doc/invoke.texi: Fix mfp-trap-mode typo.
1731 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1733 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1734 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1735 file_end_indicate_exec_stack.
1736 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1738 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1739 for a non-executable stack.
1740 * crti.asm: Likewise.
1741 * crtn.asm: Likewise.
1742 * libunwind.S: Likewise.
1744 2006-11-02 Ben Elliston <bje@au.ibm.com>
1746 * tree-ssa.c (warn_uninit): Use expand_location variables for
1747 locus and declaration locus.
1749 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1752 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1753 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1754 cmp{eq,gt,gtu}{si,di}_media.
1755 (*cmpne0si_media): Remove.
1756 (*movsicc_umin): Adjust gen_cmp*_media call.
1757 (unordered): Change the mode of unordered and operands[1] to
1759 (seq): Adjust gen_cmp*_media calls. Make the mode of
1760 a temporary result of compare SImode if needed. If the mode
1761 of operands[0] is DImode, extend the temporary result to DImode.
1762 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1763 (sunorderd): Change the mode of match_operand and unorderd to
1765 (cmpeq{sf,df}_media): Remove.
1766 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1767 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1768 and compare operation to SImode.
1770 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1772 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1774 (sparc64-sun-solaris2*): Likewise.
1776 2006-11-02 Paul Brook <paul@codesourcery.com>
1778 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1779 from priority argument. Use different section for non-default
1781 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1783 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1786 * except.c (switch_to_exception_section): Do not cache the section
1787 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1788 and flag_function_sections is set.
1790 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1793 * builtins.c (do_mpfr_sincos): New.
1794 (fold_builtin_1): Use it to fold builtin sincos.
1796 2006-11-01 Roger Sayle <roger@eyesopen.com>
1798 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1799 it into -D_REENTRANT.
1801 2006-11-01 Roger Sayle <roger@eyesopen.com>
1803 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1804 whether the assembler supports taking the difference of symbols in
1805 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1806 * configure: Regenerate.
1807 * config.in: Regenerate.
1808 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1809 the assembler doesn't support taking the difference of symbols in
1810 different sections, i.e. we're using the native solaris assembler.
1812 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1813 Peter Bergner <bergner@vnet.ibm.com>
1815 * doc/invoke.texi: Add cpu_type power6x
1816 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1817 * config.gcc: Add cpu_type power6x.
1818 * configure.ac: Add test for mf{t,f}gpr instructions.
1819 (HAVE_AS_MFPGPR): New.
1820 * config.in: Regenerate.
1821 * configure: Regenerate.
1822 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1823 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1824 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1825 and mftgpr attributes.
1826 (define_attr "cpu"): Add power6.
1827 Change instruction sequences to use new attributes.
1828 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1829 (fix_truncdfsi2_mfpgpr): New.
1830 (floatsidf_ppc64_mfpgpr): New.
1831 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1832 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1833 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1834 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1835 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1836 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1837 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1838 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1839 cntlz,exts and var_delayed_compare.
1840 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1841 _ARCH_PWR6X, if features enabled.
1842 * config/rs6000/rs6000.opt (mmfpgpr): New.
1843 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1844 (cached_can_issue_more): New variable.
1845 (processor_costs): Add power6_cost.
1846 (rs6000_sched_init): New function.
1847 (is_dispatch_slot_restricted): Deleted.
1848 (set_to_load_agen): New function.
1849 (is_load_insn,is_store_insn): New functions.
1850 (adjacent_mem_locations): New function.
1851 (insn_must_be_first_in_group): New function.
1852 (insn_must_be_last_in_group): New function.
1853 (rs6000_sched_reorder): New function.
1854 (rs6000_sched_reorder2): New function.
1855 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1856 TARGET_SCHED_REORDER2): Define.
1857 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1858 Add power6x. Add MASK_MFPGPR for power6x.
1859 (POWERPC_MASKS): Add MASK_MFPGPR.
1860 (rs6000_override_options): Set rs6000_always_hint to false
1861 for power6. Set rs6000_align_branch_targets. Replace
1862 rs6000_sched_groups check with rs6000_align_branch_targets.
1863 Use PROCESSOR_POWER6.
1864 (last_scheduled_insn): New variable.
1865 (load_store_pendulum): New variable.
1866 (rs6000_variable_issue): Set last_scheduled_insn and
1867 cached_can_issue_more.
1868 (rs6000_adjust_cost): Add power6 cost adjustments.
1869 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1870 with insn_must_be_first_in_group. Add power6 priority adjustments.
1871 (rs6000_issue_rate): Add CPU_POWER6.
1872 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1873 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1874 (TARGET_MFPGPR): New.
1875 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1876 (ASM_CPU_SPEC): Add power6x.
1877 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1879 * config/rs6000/power6.md: New file.
1881 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1883 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1884 HOST_WIDE_INT_PRINT to print high and low parts. Use
1885 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1886 printing a hexadecimal number prefix it with 0x.
1888 2006-11-01 Chris Johns <chris@contemporary.net.au>
1891 * Makefile.in (install-driver): Use exeext when installing
1892 $target-gcc-$version.
1894 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1896 * c-common.c (flag_cpp0x): New.
1897 * c-common.h (flag_cpp0x): New.
1898 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1899 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1900 * c-opts.c (set_std_cxx0x): New.
1901 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1902 * c.opt (std=c++0x): Document.
1903 (std=gnu++0x): Ditto.
1904 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1905 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1907 2006-11-01 Richard Guenther <rguenther@suse.de>
1909 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1911 (ix86_expand_floorceildf_32): Likewise.
1912 (ix86_expand_floorceil): Likewise.
1913 (ix86_expand_trunc): Likewise.
1915 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1917 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1920 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1922 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1924 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1926 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1928 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1929 * configure.ac (use_cxa_atexit): As a special case, don't test
1930 for libc definition of __cxa_atexit on mingw32
1931 * configure: Regenerate.
1932 * config.gcc (i[34567]86-pc-mingw32): Default to
1933 enable__cxa_atexit=yes.
1935 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1937 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1939 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1942 * c-decl.c (start_struct): Don't create self-containing
1944 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1946 * config/rs6000/rs6000-protos.h
1947 (darwin_rs6000_special_round_type_align): New.
1948 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1949 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1951 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1953 * toplev.c (compile_file): Call final_write_globals
1954 even if there have been errors.
1956 2006-10-31 Eric Christopher <echristo@apple.com>
1957 Falk Hueffner <falk@debian.org>
1959 * doc/extend.texi (__builtin_bswap32): Document.
1960 (__builtin_bswap64): Ditto.
1961 * doc/libgcc.texi (bswapsi2): Document.
1963 * doc/rtl.texi (bswap): Document.
1964 * optabs.c (expand_unop): Don't widen a bswap.
1965 (init_optabs): Init bswap. Set libfuncs explicitly
1966 for bswapsi2 and bswapdi2.
1967 * optabs.h (OTI_bswap): New.
1968 (bswap_optab): Ditto.
1969 * genopinit.c (optabs): Handle bswap_optab.
1970 * tree.h (tree_index): Add TI_UINT32_TYPE and
1972 (uint32_type_node): New.
1973 (uint64_type_node): Ditto.
1974 * tree.c (build_common_tree_nodes_2): Initialize
1975 uint32_type_node and uint64_type_node.
1976 * builtins.c (expand_builtin_bswap): New.
1977 (expand_builtin): Call.
1978 (fold_builtin_bswap): New.
1979 (fold_builtin_1): Call.
1980 * fold-const.c (tree_expr_nonnegative_p): Return true
1982 * builtin-types.def (BT_UINT32): New.
1984 (BT_FN_UINT32_UINT32): Ditto.
1985 (BT_FN_UINT64_UINT64): Ditto.
1986 * builtins.def (BUILT_IN_BSWAP32): New.
1987 (BUILT_IN_BSWAP64): Ditto.
1988 * rtl.def (BSWAP): New.
1989 * genattrtab.c (check_attr_value): New.
1990 * libgcc2.c (__bswapSI2): New.
1991 (__bswapDI2): Ditto.
1992 * libgcc2.h (__bswapSI2): Declare.
1993 (__bswapDI2): Ditto.
1994 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1995 * simplify-rtx.c (simplify_const_unary_operation): Return
1997 * libgcc-std.ver (__bwapsi2): Add.
1998 (__bswapdi2): Ditto.
1999 * reload1.c (eliminate_regs_1): Add bswap.
2000 (elimination_effects): Ditto.
2001 * config/i386/i386.h (x86_bswap): New.
2002 (TARGET_BSWAP): Use.
2003 * config/i386/i386.c (x86_bswap): Set.
2005 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2007 * coverage.c (coverage_checksum_string): Update comment.
2008 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2009 of get_file_function_name.
2010 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2011 of get_file_function_name_long.
2012 * tree.c (get_file_function_name): Rename from
2013 get_file_function_name_long; improve comment; handle 'I' and 'D'
2014 specially when the target has ctor/dtor support; remove special
2016 (get_file_function_name): Remove.
2017 * tree.h (get_file_function_name): Rename from
2018 get_file_function_name_long.
2019 (get_file_function_name): Remove prototype.
2021 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2023 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2024 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2026 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2027 Call dsymutil when compiling and linking one or more source files
2030 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2033 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2035 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2037 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2038 inline static functions in c99 mode.
2041 * doc/extend.texi (Inline): Update.
2042 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2043 * c-decl.c (current_extern_inline): Delete.
2044 (pop_scope): Adjust test for an undefined nested function.
2045 Add warning about undeclared inline function.
2046 (diagnose_mismatched_decls): Update comments. Disallow overriding
2047 of inline functions in a translation unit in C99. Allow inline
2048 declarations in C99 at any time.
2049 (merge_decls): Boolize variables. Handle C99 'extern inline'
2051 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2052 C99 inline semantics.
2053 (start_function): Don't clear current_extern_inline. Don't set
2055 (c_push_function_context): Don't push current_extern_inline.
2056 (c_pop_function_context): Don't restore current_extern_inline.
2059 * c-typeck.c (build_external_ref): Warn about static variables
2060 used in extern inline functions.
2061 * c-decl.c (start_decl): Warn about static variables declared
2062 in extern inline functions.
2064 2006-10-31 Roger Sayle <roger@eyesopen.com>
2067 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2068 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2069 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2070 or y is an even integer.
2072 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2075 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2076 * gthr-posix95.h (__gthread_active_p): Likewise.
2078 2006-10-31 Richard Guenther <rguenther@suse.de>
2080 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2081 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2082 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2083 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2084 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2085 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2086 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2087 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2090 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2092 * opts.c (decode_options): Disable CSE skip blocks.
2094 2006-10-30 Dirk Mueller <dmueller@suse.de>
2096 * c-common.h (strict_aliasing_warning): Fix whitespace.
2097 * c-decl (start_function): Move code for main decl warning ..
2098 * c-common.c (check_main_parameter_types): .. here.
2099 * c-common.h (check_main_parameter_types): Declare.
2101 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2104 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2106 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2108 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2109 be a PARALLEL containing sets. Return false when out_pat is not
2112 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2114 * config/mips/mips.md (mul<mode>3): Split into...
2115 (mulsi3, muldi3): ...these separate patterns.
2117 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2119 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2120 but with each set of options separated by spaces.
2122 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2124 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2125 dwarf_reg_size_table has been initialized.
2127 2006-10-30 Roger Sayle <roger@eyesopen.com>
2129 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2130 * ddg.c (print_ddg_edge): Likewise.
2131 * dwarf2out.c (prune_unused_types_walk): Likewise.
2132 * ifcvt.c (noce_try_cmove_arith): Likewise.
2133 * langhooks.c (add_builtin_function): Likewise.
2134 * reg-stack.c (subst_stack_regs_pat): Likewise.
2135 * tree.c (expanded_location): Likewise.
2136 * tree-dump.c (dequeue_and_dump): Likewise.
2138 2006-10-30 David Daney <ddaney@avtrex.com>
2140 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2142 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2144 PR tree-optimization/29637
2145 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2146 of the innertype is the innertype itself.
2148 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2150 * dwarf2out.c (file_name_acquire): Correct typo.
2152 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2154 * tree.h (tree_value_handle): Remove struct value_set declaration.
2155 Change value_set to bitmap_set.
2156 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2157 * tree-vn.c (get_value_handle): Made inline and moved to
2159 * tree-flow-inline.h: (has_stmt_ann): New function.
2160 * tree-ssa-pre.c (expressions): New variable.
2161 (next_expression_id): Ditto.
2162 (alloc_expression_id): New function.
2163 (struct value_set): Remove.
2164 (get_expression_id): New function.
2165 (get_or_alloc_expression_id): Ditto.
2166 (expression_for_id): Ditto.
2167 (clear_expression_ids): Ditto.
2168 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2169 (bb_value_sets): Renamed to bb_bitmap_sets.
2170 All value sets replaced with bitmap_sets.
2172 (BB_VISITED): New macro.
2173 (postorder): New variable.
2174 (add_to_value): Removed.
2175 (value_exists_in_set_bitmap): Ditto.
2176 (value_insert_into_set_bitmap): Ditto.
2179 (set_remove): Ditto.
2180 (set_contains_value): Ditto.
2181 (insert_into_set): Ditto.
2183 (find_leader): Ditto.
2184 (bitmap_set_subtract_from_value_set): Ditto.
2185 (value_insert_into_set): Ditto.
2186 (print_value_set): Ditto.
2187 (debug_value_set): Ditto.
2188 (constant_expr_p): New function.
2189 (bitmap_remove_from_set): Ditto.
2190 (bitmap_insert_into_set): Ditto.
2191 (bitmap_set_free): Ditto.
2192 (vh_compare): Ditto.
2193 (sorted_array_from_bitmap_set): Ditto.
2194 (bitmap_set_subtract): Ditto.
2195 (bitmap_set_equal): Ditto.
2196 (debug_bitmap_set): Ditto.
2197 (find_leader_in_sets): Ditto.
2198 (bitmap_set_replace_value): Modify for bitmapped sets.
2199 (phi_translate): Ditto.
2200 (phi_translate_set): Ditto.
2201 (bitmap_find_leader): Ditto.
2202 (valid_in_sets): Ditto.
2203 (union_contains_value): Ditto.
2205 (compute_antic_aux): Ditto. Mark changed blocks.
2206 (compute_antic): Ditto. Iterate in postorder and only over
2208 (compute_rvuse_and_antic_safe): Reuse postorder.
2209 (create_component_ref_by_pieces): Modify for bitmapped sets.
2210 (find_or_generate_expression): Ditto.
2211 (create_expression_by_pieces): Ditto.
2212 (insert_into_preds_of_block): Ditto.
2213 (changed_blocks): New variable.
2214 (do_regular_insertion): Broken out from insert_aux.
2215 (insert_aux): Modified for bitmapped sets.
2216 (find_existing_value_expr): New function.
2217 (create_value_expr_from): Use it.
2218 (insert_extra_phis): Removed.
2219 (print_bitmap_set): Renamed from bitmap_print_value_set.
2220 (compute_avail): Handle RETURN_EXPR.
2221 (init_pre): Modify for bitmapped sets.
2222 * tree-flow.h (has_stmt_ann): New function.
2224 2006-10-29 Roger Sayle <roger@eyesopen.com>
2226 * builtins.c (fold_builtin_floor): Check for the availability of
2227 the C99 trunc function before transforming floor into trunc.
2229 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2231 * builtins.c (fold_builtin_hypot): Rearrange recursive
2232 transformation before others, and also do ABS_EXPR. When
2233 necessary, check flag_unsafe_math_optimizations. When necessary,
2236 2006-10-29 Roger Sayle <roger@eyesopen.com>
2238 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2239 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2240 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2241 Fold -X eq/ne -Y as X eq/ne Y.
2243 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2245 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2246 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2247 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2248 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2249 Use an inclusive test for "mult" rather than "mul".
2250 (rotr<mode>3): Depend on ISA_HAS_ROR.
2251 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2253 (GENERATE_MULT3_DI): Delete.
2254 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2255 (ISA_HAS_MUL3): New macro.
2256 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2257 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2258 (ISA_HAS_CLZ_CLO): Likewise.
2259 (ISA_HAS_DCLZ_DCLO): Delete.
2260 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2261 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2262 the VR4120 and VR4130.
2263 (ISA_HAS_MACCHI): Use consistent formatting.
2264 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2265 (ISA_HAS_ROR): ...this new macro.
2266 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2267 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2268 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2270 2006-10-29 Roger Sayle <roger@eyesopen.com>
2272 PR tree-optimization/15458
2273 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2276 2006-10-29 Richard Guenther <rguenther@suse.de>
2278 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2279 (ix86_expand_truncdf_32): Likewise.
2280 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2281 trunc inline for SSE math and -fno-trapping-math and if not
2282 optimizing for size.
2283 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2284 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2285 for expanding btrunc inline for SSE math.
2287 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2289 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2290 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2291 i[34567]86-*-solaris2.1[0-9]*.
2292 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2293 Define conditionally depending on TARGET_64BIT_DEFAULT.
2294 (SPEC_32, SPEC_64): Define.
2295 (LINK_SPEC): Use them.
2296 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2298 2006-10-29 Richard Guenther <rguenther@suse.de>
2300 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2301 (ix86_expand_rounddf_32): Likewise.
2302 * config/i386/i386.c (ix86_expand_round): New function expanding
2303 round inline for SSE math and -fno-trapping-math and if not
2304 optimizing for size.
2305 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2306 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2307 round via ix86_expand_round.
2309 2006-10-29 Richard Guenther <rguenther@suse.de>
2311 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2312 (ix86_expand_floorceildf_32): Likewise.
2313 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2314 static helper function.
2315 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2317 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2318 * config/i386/i386.md (floordf2): Adjust to enable floor
2319 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2320 -fno-trapping-math is enabled and if not optimizing for size.
2321 (floorsf2, ceildf2, ceilsf2): Likewise.
2322 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2323 (sse2_maskcmpdf3): Likewise.
2325 2006-10-29 Richard Guenther <rguenther@suse.de>
2327 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2328 rint in case -fno-trapping-math is enabled.
2329 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2330 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2331 (ix86_expand_sse_fabs): Likewise.
2332 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2333 * config/i386/i386.md (rintdf2): Enable for SSE math if
2334 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2335 (rintsf2): Likewise.
2337 2006-10-29 Richard Guenther <rguenther@suse.de>
2339 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2340 to conversion optabs.
2341 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2342 as conversion optab.
2343 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2344 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2345 (lfloor_optab, lceil_optab): Adjust defines.
2346 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2347 lfloor and lceil optabs now being conversion optabs.
2348 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2349 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2350 New static helper function.
2351 (ix86_expand_lfloorceil): New function to expand lfloor and
2353 * config/i386/i386.md (lfloor<mode>2): Split into ...
2354 (lfloorxf<mode>2): ... x87 variant
2355 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2356 using ix86_expand_lfloorceil.
2357 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2359 * doc/md.texi (lfloorMN, lceilMN): Document.
2361 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2363 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2364 -mno-shared assembler option on mips targets.
2365 * configure, config.in: Regenerate.
2366 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2367 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2368 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2370 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2372 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2373 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2375 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2377 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2378 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2381 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2384 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2385 (fold_builtin_pow): Evaluate constant arguments at compile-time
2387 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2388 (do_mpfr_ckconv): New helper function.
2389 (do_mpfr_arg1): Use do_mpfr_ckconv.
2390 (do_mpfr_arg2): New.
2392 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2395 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2396 (-fdump-rtl-sched): Rename to ..
2397 (-fdump-rtl-sched1): here. Also fix file extension number.
2399 2006-10-28 Richard Guenther <rguenther@suse.de>
2401 * fold-const.c (maybe_canonicalize_comparison): Fix code
2404 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2406 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2407 (NON_QI_REG_P): Use IN_RANGE.
2408 (REX_INT_REGNO_P): Use IN_RANGE.
2409 (FP_REGNO_P): Use IN_RANGE.
2410 (SSE_REGNO_P): Use IN_RANGE.
2411 (REX_SSE_REGNO_P): Use IN_RANGE.
2412 (MMX_REGNO_P): Use IN_RANGE.
2413 (STACK_REGNO_P): New macro.
2414 (STACK_REG_P): Use STACK_REGNO_P.
2415 (NON_STACK_REG_P): Use STACK_REGNO_P.
2416 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2417 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2418 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2419 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2420 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2422 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2424 * except.h (output_function_exception_table): Add 'const char*' param.
2425 * except.c (switch_to_exception_section): Add 'const char*' param.
2426 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2427 and flag_function_sections is set, use a function-specific section.
2428 (output_function_exception_table): Add 'const char*' param.
2429 Adjust call to switch_to_exception_section.
2430 * final.c (rest_of_handle_final): Adjust calls to
2431 output_function_exception_table.
2432 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2433 * config.in: Regenerate.
2434 * configure: Likewise.
2436 2006-10-28 Richard Guenther <rguenther@suse.de>
2439 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2440 for maybe_canonicalize_comparison.
2441 (maybe_canonicalize_comparison): New function for canonicalizing
2443 (fold_comparison): Call it to canonicalize comparisons with
2446 2006-10-28 Richard Guenther <rguenther@suse.de>
2449 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2450 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2451 (expand_builtin): Adjust likewise.
2452 * genopinit.c (optabs[]): Add lround optab.
2453 * optabs.c (init_optabs): Initialize lround_optab.
2454 * optabs.h (enum convert_optab_index): Add COI_lround.
2455 (lround_optab): Define.
2456 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2457 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2459 (ix86_expand_lround): New function.
2460 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2462 * doc/md.texi (lroundMN2): Document.
2464 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2467 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2468 argument to HOST_WIDE_INT. Update function prototype.
2469 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2470 "size" argument to HOST_WIDE_INT. Update function prototype.
2472 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2474 * config/i386/i386.c (output_387_ffreep): Create output from a
2475 template string for !HAVE_AS_IX86_FFREEP.
2477 2006-10-27 Eric Christopher <echristo@apple.com>
2479 * config/darwin.c: Fix formatting and grammar.
2481 2006-10-27 Jan Hubicka <jh@suse.cz>
2483 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2484 to be thrown away soon when IGNORE is set.
2485 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2486 indicating when return value shall not be computed.
2487 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2489 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2491 * config/i386/i386.h (TARGET_GEODE):
2492 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2493 (TARGET_CPU_DEFAULT_geode): New macro.
2494 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2495 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2496 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2497 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2498 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2500 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2501 (processor_type): Add PROCESSOR_GEODE.
2503 * config/i386/i386.md: Include geode.md.
2506 * config/i386/i386.c (geode_cost): New initialized global
2508 (m_GEODE, m_K6_GEODE): New macros.
2509 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2510 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2511 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2512 x86_schedule): Use m_K6_GEODE instead of m_K6.
2513 (x86_movx, x86_cmove): Set up m_GEODE.
2514 (x86_integer_DFmode_moves): Clear m_GEODE.
2515 (processor_target_table): Add entry for geode.
2516 (processor_alias_table): Ditto.
2518 * config/i386/geode.md: New file.
2520 * doc/invoke.texi: Add entry about geode processor.
2522 2006-10-27 Mike Stump <mrs@apple.com>
2524 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2525 __DYNAMIC__ from here back to ...
2526 * config/darwin.h (CPP_SPEC): ... here.
2528 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2529 Nathan Sidwell <nathan@codesourcery.com>
2531 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2532 when choosing the minimum heapsize.
2534 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2536 * gcc/unwind-dw2.h: Move cfa-related variables into
2537 struct frame_state_reg_info to ensure that the CFA is properly
2538 handled when executing DW_CFA_{remember,restore}_state.
2539 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2540 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2541 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2542 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2543 gcc/config/rs6000/linux-unwind.h,
2544 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2545 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2546 Modify to use new cfa_* fields.
2548 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2550 * config/s390/s390.c (s390_init_frame_layout): Check positive
2553 2006-10-26 Ben Elliston <bje@au.ibm.com>
2555 * gimplify.c (get_name): Remove extraneous break.
2556 (gimplify_omp_for): Initialise ret with GS_OK.
2558 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2560 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2561 Add unix98.o to link line.
2563 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2566 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2567 Calculate compile-time constants using MPFR.
2568 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2569 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2571 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2573 * config/xtensa/lib2funcs.S: Use C-style comments.
2575 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2577 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2578 (file_table_relative_p): Likewise.
2579 (dwarf2out_finish): Likewise.
2580 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2582 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2584 * tree-ssa-structalias.c (intra_create_variable_infos):
2585 Don't recreate nonlocal_all if it already exists.
2587 2006-10-25 Richard Guenther <rguenther@suse.de>
2590 * optabs.h (enum optab_index): Remove OTI_lrint.
2591 (enum convert_optab_index): Add COI_lrint.
2592 (lrint_optab): Adjust.
2593 (expand_sfix_optab): Declare.
2594 * optabs.c (expand_sfix_optab): New function.
2595 (init_optabs): Init lrint_optab as conversion optab.
2596 * genopinit.c (lrint_optab): Change to a conversion optab.
2597 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2598 expansion via conversion optab.
2599 * config/i386/i386.md (*fistdi2_1): Remove
2600 flag_unsafe_math_optimizations guard.
2601 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2602 fist<mode>2_with_temp): Likewise.
2603 (lrint<mode>2): Split into...
2604 (lrintxf<mode>2): ... x87 part
2605 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2606 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2607 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2608 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2609 * doc/md.texi (lrintMN2): Document.
2611 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2614 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2615 Use inc and dec instructions for TARGET_USE_INCDEC.
2616 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2617 ("sync_double_compare_and_swap<mode>"): Likewise.
2618 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2619 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2620 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2621 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2622 ("sync_old_add<mode>"): Likewise.
2623 ("sync_lock_test_and_set<mode>"): Likewise.
2624 ("sync_lock_test_and_set<mode>"): Likewise.
2625 ("sync_add<mode>"): Likewise.
2626 ("sync_sub<mode>"): Likewise.
2627 ("sync_ior<mode>"): Likewise.
2628 ("sync_and<mode>"): Likewise.
2629 ("sync_xor<mode>"): Likewise.
2631 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2633 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2634 (remainder_optab): Define corresponding macro.
2635 (drem_optab): Remove.
2636 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2637 drem_optab initialization.
2638 * genopinit.c (optabs): Implement remainder_optab using
2639 remainder?f3 patterns. Remove drem_optab.
2640 * builtins.c (expand_builtin_mathfn_2): Handle
2641 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2642 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2643 expand_builtin_mathfn_2.
2645 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2646 depend on flag_unsafe_math_optimizations.
2648 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2649 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2650 Do not depend on flag_unsafe_math_optimizations. Use
2651 truncxf?f expander instead of truncxf?f_i387_noop.
2653 ("fpremxf4", "fprem1xf4"): Do not depend on
2654 flag_unsafe_math_optimizations.
2655 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2656 flag_unsafe_math_optimizations. Use truncxf?f expander
2657 instead of truncxf?f_i387_noop.
2659 * doc/md.texi (fmod, remainder): Document standard named pattern.
2661 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2662 David Daney <ddaney@avtrex.com>
2665 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2667 2006-10-25 Ben Elliston <bje@au.ibm.com>
2669 * doc/extend.texi (Variable Attributes): Typo fix.
2671 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2673 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2674 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2675 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2676 (FRAME_POINTER_REGNUM): Update register number to 21.
2677 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2678 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2680 * config/i386/i386.c (regclass_map): Add fpcr entry.
2681 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2683 (print_reg): Assert REGNO (x) != FPCR_REG.
2685 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2686 (DIRFLAG_REG): Renumber.
2687 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2688 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2689 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2690 hardcoded SSE register numbers.
2692 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2693 hardcoded MMX register numbers.
2695 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2698 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2699 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2701 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2702 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2703 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2704 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2706 2006-10-24 Richard Guenther <rguenther@suse.de>
2709 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2710 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2711 for deciding optimizations in consistency with fold-const.c
2712 (fold_builtin_unordered_cmp): Likewise.
2714 2006-10-24 Richard Guenther <rguenther@suse.de>
2716 * builtins.c (fold_builtin_floor): Fold floor (x) where
2717 x is nonnegative to trunc (x).
2718 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2719 nonnegative to FIX_TRUNC_EXPR.
2721 2006-10-24 Richard Guenther <rguenther@suse.de>
2723 PR tree-optimization/29567
2724 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2725 for TRUTH_NOT_EXPR. Clarify comments.
2727 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2730 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2731 at compile-time using MPFR. Change parameter VALUE to FUNC,
2733 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2734 for overflow and underflow at all times and avoid folding in
2737 2006-10-24 Ben Elliston <bje@au.ibm.com>
2739 * reload1.c: Formatting fixes.
2741 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2743 PR tree-optimization/14784
2744 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2745 * tree-ssa-structalias.c (get_constraint_for,
2746 intra_create_variable_infos): Set is_heapvar.
2747 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2748 non-heapvar pointer variables specially.
2750 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2753 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2754 fold_builtin_tan): Fold all constant arguments. Take a "type"
2755 argument as necessary.
2756 (do_mpfr_arg1): New.
2757 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2759 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2761 * config/xtensa/lib1funcs.asm: Use C-style comments.
2763 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2765 * tree.c (local_define_builtin): Replace calls to
2766 lang_hooks.builtin_function with add_builtin_function.
2767 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2769 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2771 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2772 common code to add_builtin_function.
2773 * langhooks.c (add_builtin_function): New function.
2774 (lhd_builtin_function): New function.
2775 * langhooks.h (struct lang_hooks): Change the signature of
2777 (add_builtin_function): New function.
2778 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2779 calls to lang_hooks.builtin_function with add_builtin_function.
2780 * c-common.c (decl_builtin_1): Replace calls to
2781 lang_hooks.builtin_function with add_builtin_function.
2782 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2783 lang_hooks.builtin_function with add_builtin_function.
2784 * config/frv/frv.c (def_builtin): Replace calls to
2785 lang_hooks.builtin_function with add_builtin_function.
2786 * config/s390/s390.c (s390_init_builtins): Replace calls to
2787 lang_hooks.builtin_function with add_builtin_function.
2788 * config/sparc/sparc.c (def_builtin): Replace calls to
2789 lang_hooks.builtin_function with add_builtin_function.
2790 * config/i386/i386.c (def_builtin): Replace calls to
2791 lang_hooks.builtin_function with add_builtin_function.
2792 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2793 lang_hooks.builtin_function with add_builtin_function.
2794 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2795 lang_hooks.builtin_function with add_builtin_function.
2796 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2797 Replace calls to lang_hooks.builtin_function with
2798 add_builtin_function.
2799 * config/iq2000/iq2000.c (def_builtin):
2800 Replace calls to lang_hooks.builtin_function with
2801 add_builtin_function.
2802 * config/ia64/ia64.c (def_builtin): Replace calls to
2803 lang_hooks.builtin_function with add_builtin_function.
2804 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2805 lang_hooks.builtin_function with add_builtin_function.
2806 (altivec_init_builtins): Replace calls to
2807 lang_hooks.builtin_function with add_builtin_function.
2808 * config/arm/arm.c (def_mbuiltin): Replace calls to
2809 lang_hooks.builtin_function with add_builtin_function.
2810 (arm_init_tls_builtins): Replace calls to
2811 lang_hooks.builtin_function with add_builtin_function.
2812 * config/mips/mips.c (mips_init_builtins): Replace calls to
2813 lang_hooks.builtin_function with add_builtin_function.
2814 * config/bfin/bfin.c (def_builtin): Replace calls to
2815 lang_hooks.builtin_function with add_builtin_function.
2816 * langhooks-def.h (lhd_builtin_function): New function.
2817 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2819 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2821 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2822 BUILT_IN_STRNCAT_CHK.
2824 2006-10-23 Jan Hubicka <jh@suse.cz>
2826 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2827 don't do conversion from memmove to memcpy here.
2828 (expand_builtin_bcopy, expand_builtin): Update call of
2829 expand_builtin_memmove.
2830 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2832 2006-10-23 Paul Brook <paul@codesourcery.com>
2834 * stor-layout.c (start_record_layout): maximum_field_alignment
2835 overrides STRUCTURE_SIZE_BOUNDARY.
2837 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2839 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2840 nonlocal function symbols if flag_pic.
2842 2006-10-23 Richard Guenther <rguenther@suse.de>
2846 * builtins.c (fold_binary): Remove checks for flag_wrapv
2847 and flag_trapv where negate_expr_p covers these cases.
2849 2006-10-23 Richard Guenther <rguenther@suse.de>
2852 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2853 of two on the absolute value.
2854 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2855 and negating -C does not overflow.
2857 2006-10-23 Richard Guenther <rguenther@suse.de>
2860 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2861 only if not flag_rounding_math.
2863 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2864 Kaz Kojima <kkojima@gcc.gnu.org>
2867 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2868 SImode memory reference for the source of a movua.
2869 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2870 (movua): Use an unspec instead of sign_extract. Expect the source
2871 to have mode BLKmode.
2872 (extv, insv): Use a BLKmode rather than SImode memory reference
2873 for the source of a movua.
2875 2006-10-22 Jeff Law <law@redhat.com>
2876 Richard Guenther <rguenther@suse.de>
2878 PR tree-optimization/15911
2879 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2880 (register_edge_assert_for_1): Likewise.
2881 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2882 (find_conditional_asserts): Adjust for new function signature.
2883 (find_assert_locations): Likewise.
2885 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2887 * config/i386/tmmintrin.h: Remove the duplicated content.
2889 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2891 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2892 (x86_64-*-*): Likewise.
2894 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2895 (override_options): Check SSSE3.
2896 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2897 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2898 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2899 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2900 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2901 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2902 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2903 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2904 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2905 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2906 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2907 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2908 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2909 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2910 IX86_BUILTIN_PABSD128.
2911 (bdesc_2arg): Add SSSE3.
2912 (bdesc_1arg): Likewise.
2913 (ix86_init_mmx_sse_builtins): Support SSSE3.
2914 (ix86_expand_builtin): Likewise.
2915 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2917 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2918 (UNSPEC_PSIGN): Likewise.
2919 (UNSPEC_PALIGNR): Likewise.
2920 Include mmx.md before sse.md.
2922 * config/i386/i386.opt: Add -mssse3.
2924 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2925 (ssse3_phaddwv4hi3): Likewise.
2926 (ssse3_phadddv4si3): Likewise.
2927 (ssse3_phadddv2si3): Likewise.
2928 (ssse3_phaddswv8hi3): Likewise.
2929 (ssse3_phaddswv4hi3): Likewise.
2930 (ssse3_phsubwv8hi3): Likewise.
2931 (ssse3_phsubwv4hi3): Likewise.
2932 (ssse3_phsubdv4si3): Likewise.
2933 (ssse3_phsubdv2si3): Likewise.
2934 (ssse3_phsubswv8hi3): Likewise.
2935 (ssse3_phsubswv4hi3): Likewise.
2936 (ssse3_pmaddubswv8hi3): Likewise.
2937 (ssse3_pmaddubswv4hi3): Likewise.
2938 (ssse3_pmulhrswv8hi3): Likewise.
2939 (ssse3_pmulhrswv4hi3): Likewise.
2940 (ssse3_pshufbv16qi3): Likewise.
2941 (ssse3_pshufbv8qi3): Likewise.
2942 (ssse3_psign<mode>3): Likewise.
2943 (ssse3_psign<mode>3): Likewise.
2944 (ssse3_palignrti): Likewise.
2945 (ssse3_palignrdi): Likewise.
2946 (abs<mode>2): Likewise.
2947 (abs<mode>2): Likewise.
2949 * config/i386/tmmintrin.h: New file.
2951 * doc/extend.texi: Document SSSE3 built-in functions.
2953 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2955 2006-10-22 Ira Rosen <irar@il.ibm.com>
2957 * tree-vect-transform.c (vectorizable_load): Use the type of the
2958 return value of the mask_for_load builtin to create realign_load
2961 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2963 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2966 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2968 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2969 (UNSPEC_LDDQU): This.
2970 * config/i386/sse.md (sse3_lddqu): Updated.
2972 2006-10-21 Richard Guenther <rguenther@suse.de>
2974 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2975 (expand_builtin): Use it to expand lrint instead of
2976 expand_builtin_mathfn.
2978 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2981 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2982 flag_unsafe_math_optimizations is set.
2984 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2987 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2988 patterns to use memory input operand in x87->mem->XMM
2989 reload sequences. Skip transformation for TARGET_K8.
2991 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2993 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2994 force operand1 to register if both operands are memory operands.
2995 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2996 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2997 if both operands are memory operands.
2998 (truncdfsf2): Do not force operand1 to register if both operands
2999 are memory operands.
3001 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3003 * Makefile.in (LIBS): Add $(GMPLIBS).
3004 * doc/install.texi: Update GMP and MPFR requirements.
3005 * doc/sourcebuild.texi (need_gmp): Delete.
3007 2006-10-21 Richard Guenther <rguenther@suse.de>
3009 PR tree-optimization/3511
3010 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3011 got new invariant arguments during PHI translation.
3013 2006-10-21 Richard Guenther <rguenther@suse.de>
3016 * fold-const.c (fold_comparison): Fold signed comparisons
3017 of the form X +- C1 CMP Y +- C2.
3019 2006-10-21 Richard Guenther <rguenther@suse.de>
3022 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3023 if flag_unsafe_math_optimizations is specified. We have
3024 flag_finite_math_only for that.
3025 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3026 or flag_unsafe_math_optimizations.
3028 2006-10-21 Richard Guenther <rguenther@suse.de>
3030 * builtins.c (fold_builtin_classify): Fix typo.
3032 2006-10-21 Richard Guenther <rguenther@suse.de>
3035 * simplify-rtx.c (simplify_const_relational_operation):
3036 Do not constant-fold ORDERED and UNORDERED for
3037 flag_unsafe_math_optimizations but only we do not need to
3038 honor NaNs for the given mode.
3040 2006-10-21 Richard Guenther <rguenther@suse.de>
3043 * config/i386/i386.c (classify_argument): Remove redundant
3044 walking of the BINFOs.
3045 (contains_128bit_aligned_vector_p): Likewise.
3047 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3049 * BASE-VER: Set to 4.3.0.
3051 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3053 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3054 (tree_decl_with_vis): Remove artificial_pta_var flag.
3055 * tree-flow.h (referenced_var_check_and_insert): Expose.
3056 (nonlocal_all): New prototype.
3057 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3058 (nonlocal_all): Make global.
3059 (nonlocal_lookup): Remove.
3060 (nonlocal_insert): Ditto.
3061 (create_nonlocal_var): Do not call nonlocal_insert.
3062 (get_nonlocal_id_for_type): Remove.
3063 (find_global_initializers): Mark new vars we find for renaming.
3064 (intra_create_variable_infos): Only create one nonlocal.
3065 (expand_nonlocal_solutions): Remove.
3066 (compute_points_to_sets): Don't call it.
3067 (ipa_pta_execute): Ditto.
3068 (init_alias_heapvars): Don't create nonlocal_for_type.
3069 (delete_alias_heapvars): Don't remove it.
3070 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3073 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3075 * doc/install.texi (Downloading GCC): Clarify mention of
3076 Fortran in the "full distribution" description.
3078 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3080 Fix PR tree-optimization/28778
3081 Fix PR tree-optimization/29156
3082 Fix PR tree-optimization/29415
3083 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3084 (tree_decl_with_vis): Add artificial_pta_var flag.
3085 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3086 pushed into callers.
3087 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3088 (nonlocal_all): Ditto.
3089 (struct variable_info): Add directly_dereferenced member.
3090 (var_escaped_vars): New variable.
3091 (escaped_vars_tree): Ditto.
3092 (escaped_vars_id): Ditto.
3093 (nonlocal_vars_id): Ditto.
3094 (new_var_info): Set directly_dereferenced.
3095 (graph_size): New variable
3096 (build_constraint_graph): Use graph_size.
3097 (solve_graph): Don't process constraints that cannot change the
3098 solution, don't try to propagate an empty solution to our
3100 (process_constraint): Set directly_dereferenced.
3101 (could_have_pointers): New function.
3102 (get_constraint_for_component_ref): Don't process STRING_CST.
3103 (nonlocal_lookup): New function.
3104 (nonlocal_insert): Ditto.
3105 (create_nonlocal_var): Ditto.
3106 (get_nonlocal_id_for_type): Ditto.
3107 (get_constraint_for): Allow results vector to be empty in the case
3108 of string constants.
3109 Handle results of calls properly.
3110 (update_alias_info): Update alias info stats on number and type of
3112 (find_func_aliases): Use could_have_pointers.
3113 (make_constraint_from_escaped): Renamed from
3114 make_constraint_to_anything, and changed to make constraints from
3116 (make_constraint_to_escaped): New function.
3117 (find_global_initializers): Ditto.
3118 (create_variable_info_for): Make constraint from escaped to any
3119 global variable, and from any global variable to the set of
3121 (intra_create_variable_infos): Deal with escaped instead of
3122 pointing to anything.
3123 (set_uids_in_ptset): Do type pruning on directly dereferenced
3125 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3126 (init_base_vars): Fix comment, and initialize escaped_vars.
3127 (need_to_solve): Removed.
3128 (find_escape_constraints): New function.
3129 (expand_nonlocal_solutions): Ditto.
3130 (compute_points_to_sets): Call find_escape_constraints and
3131 expand_nonlocal_solutions.
3132 (delete_points_to_sets): Don't fall off the end of the graph.
3133 (init_alias_heapvars): Initialize nonlocal_for_type and
3135 (delete_alias_heapvars): Free nonlocal_for_type and null out
3138 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3140 * fold-const.c (add_double): Rename to add_double_with_sign.
3141 Add 'unsigned_p' parameter and take it into account for the overflow.
3142 (mul_double): Rename to mul_double_with_sign.
3143 Add 'unsigned_p' parameter and take it into account for the overflow.
3144 (fold_div_compare): Call add_double_with_sign instead of add_double
3145 and mul_double_with_sign instead of mul_double, passing them the
3146 unsignedness of the type.
3147 * tree.h (add_double): Macroize.
3148 (add_double_with_sign): New prototype.
3149 (mul_double): Macroize.
3150 (mul_double_with_sign): New prototype.
3152 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3154 * config/score/crti.asm: New file.
3155 * config/score/crtn.asm: New file.
3156 * config/score/elf.h: New file.
3157 * config/score/mac.md: New file.
3158 * config/score/misc.md: New file.
3159 * config/score/mul-div.S: New file.
3160 * config/score/predicates.md: New file.
3161 * config/score/score7.md: New file.
3162 * config/score/score.c: New file.
3163 * config/score/score-conv.h: New file.
3164 * config/score/score.h: New file.
3165 * config/score/score.md: New file.
3166 * config/score/score-mdaux.c: New file.
3167 * config/score/score-mdaux.h: New file.
3168 * config/score/score-modes.def: New file.
3169 * config/score/score.opt: New file.
3170 * config/score/score-protos.h: New file.
3171 * config/score/score-version.h: New file.
3172 * config/score/t-score-elf: New file.
3173 * config.gcc: Add score*-*-* configurations(Update before).
3174 * doc/invoke.texi (Score Options): New section.
3175 * doc/md.texi (Score family): New section to document constraints.
3177 2006-10-19 Nick Clifton <nickc@redhat.com>
3179 * config/arm/arm.c: Fix spelling typo.
3181 2006-10-18 Tom Tromey <tromey@redhat.com>
3183 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3185 2006-10-18 Jan Hubicka <jh@suse.cz>
3188 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3191 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3193 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3194 TSI_SAME_STMT, since that's the desired entity.
3196 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3198 * config/s390/contraints.md: New file.
3199 * config/s390/s390-protos.h (s390_mem_constraint,
3200 s390_O_constraint_str, s390_N_constraint_str,
3201 s390_float_const_zero_p): Function prototypes added.
3202 * config/s390/s390.c (s390_extra_constraint_str,
3203 s390_const_double_ok_for_constraint_p,
3204 s390_const_ok_for_constraint_p): Functions removed.
3205 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3206 s390_float_const_zero_p): New functions.
3207 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3208 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3209 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3210 Macro definitions removed.
3211 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3212 s390_extra_constraint_str): Functions removed.
3214 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3215 Richard Sandiford <richard@codesourcery.com>
3218 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3219 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3221 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3223 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3224 (DWARF2_FRAME_REG_OUT): Likewise.
3225 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3226 (DWARF2_FRAME_REG_OUT): Likewise.
3228 2006-10-17 Paul Brook <paul@codesourcery.com>
3230 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3232 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3234 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3235 Standardize on "GNU Fortran" as the official name of the Fortran
3238 2006-10-16 Mike Stump <mrs@apple.com>
3240 * doc/invoke.texi (Darwin Options): Document -mkernel.
3241 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3243 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3244 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3245 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3246 (OS_MISSING_ALTIVEC): Add.
3247 * config/i386/i386.c (override_options): Add
3248 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3249 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3250 -mkernel, -static or -mdynamic-no-pic is given.
3251 (C_COMMON_OVERRIDE_OPTIONS): Add.
3252 * config/darwin.opt (fapple-kext): Add.
3254 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3255 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3257 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3258 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3259 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3260 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3261 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3262 (flag_mkernel): Add.
3263 (flag_apple_kext): Add.
3264 (TARGET_KEXTABI): Add.
3265 * config/darwin.c (darwin_handle_kext_attribute): Add.
3266 (DARWIN_VTABLE_P): Add.
3267 (darwin_binds_local_p): Add partial support for rebinding vtables
3269 (darwin_kextabi_p): Add.
3270 (darwin_override_options): Add.
3271 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3272 (darwin_kextabi_p): Add.
3273 (darwin_override_options): Add.
3274 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3275 __DYNAMIC__ and __STATIC__ here.
3277 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3279 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3280 Added mention of "make pdf" target, and Texinfo requirements for
3283 2006-10-16 DJ Delorie <dj@redhat.com>
3285 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3286 into the GOT in case we need a subreg of the address.
3288 2006-10-16 Richard Guenther <rguenther@suse.de>
3291 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3292 SSE builtin documentation. Document SSE2 builtins.
3294 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3296 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3297 symbol in the output file for non-shared links when -nostdlib or
3298 -nodefaultlibs isn't specified.
3300 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3301 posix thread support.
3303 2006-10-15 Jan Hubicka <jh@suse.cz>
3306 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3307 declared always_inline even when not inlining.
3309 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3310 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3311 Andrew Pinski <pinskia@gmail.com>
3314 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3316 2006-10-15 Jan Hubicka <jh@suse.cz>
3317 Richard Guenther <rguenther@suse.de>
3320 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3321 process_function_and_variable_attributes on all variables, including
3322 those discovered during cgraph construction phase.
3324 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3326 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3328 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3330 * config/i386/athlon.md (athlon_fist): Add fisttp.
3332 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3333 Ian Lance Taylor <ian@airs.com>
3336 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3337 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3340 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3342 * config/score/score.c, config/score/score.h: Fix comment
3345 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3348 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3351 2006-10-13 Eric Christopher <echristo@apple.com>
3353 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3355 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3358 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3359 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3360 alignment supported by 32-bit ELF.
3362 2006-10-13 Eric Christopher <echristo@apple.com>
3364 * config/darwin.c (darwin_emit_unwind_label): Strip
3365 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3367 2006-10-13 Richard Guenther <rguenther@suse.de>
3369 PR tree-optimization/29446
3370 * tree-vrp.c (fix_equivalence_set): Remove.
3371 (extract_range_from_assert): Do not call fix_equivalence_set.
3372 (debug_value_range): Print a newline.
3373 (compare_name_with_value): For equivalence sets with
3374 inconsistent value ranges conservatively bail out.
3375 (compare_names): Likewise.
3377 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3379 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3380 and MPFR for gfortran.
3382 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3384 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3385 alignment supported by 32-bit ELF.
3387 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3391 * c-typeck.c (digest_init): Always allow initializing vectors
3392 that have static storage duration with compound literals.
3393 * tree.c (build_type_attribute_qual_variant): New, based on
3394 build_type_attribute_variant.
3395 (build_type_attribute_variant): Rewrite using the former.
3396 (make_vector_type): Use build_type_attribute_qual_variant to build
3397 type variants. Use type_hash_canon on the others.
3399 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3400 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3402 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3404 2006-10-12 Jan Hubicka <jh@suse.cz>
3407 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3408 current_function_decl is set but current_function_scope is not.
3410 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3412 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3413 emit_insn to emit eh_return_internal instruction.
3414 (eh_return_internal): Explicitly set pc.
3416 2006-10-11 Richard Guenther <rguenther@suse.de>
3418 PR tree-optimization/28230
3419 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3420 to the correct place.
3422 2006-10-11 Richard Guenther <rguenther@suse.de>
3425 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3428 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3430 * configure.ac: Added pdf to "Make-hooks"
3431 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3432 targets and *.pdf file patterns in cleanup targets.
3433 * configure: Regenerated.
3435 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3437 * config/avr/predicates.md: New file.
3438 * config/avr/avr.md: Include it.
3439 (REG_SP): New constant.
3440 (peepholes): Use predicates.
3441 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3442 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3443 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3445 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3447 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3450 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3453 * builtins.c (var_decl_component_p): New function.
3454 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3455 single entry optimization to variables and components thereof.
3457 2006-10-10 Richard Guenther <rguenther@suse.de>
3459 PR rtl-optimization/29323
3460 * except.c (set_nothrow_function_flags): For functions
3461 that do not bind local bail out early.
3463 2006-10-10 Ben Elliston <bje@au.ibm.com>
3465 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3468 2006-10-09 Richard Henderson <rth@redhat.com>
3470 Revert emutls patch.
3472 2006-10-09 Richard Guenther <rguenther@suse.de>
3475 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3478 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3481 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3482 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3483 * configure: Regenerate.
3484 * config.in: Regenerate.
3486 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3488 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3490 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3492 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3493 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3494 Remove stray newline.
3496 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3498 * config/mips/mips.c (mips_classify_symbol): Do not return
3499 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3500 (mips_in_small_data_p): Tweak comments.
3502 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3504 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3506 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3508 * gimplify.c, sched-int.h: Fix comment typos.
3510 * sched-int.h: Fix comment typos.
3512 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3514 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3516 * sched-ebb.c (begin_schedule_ready): Use them.
3517 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3518 add_to_speculative_block, create_check_block_twin, speculate_insn,
3519 fix_jump_move, move_block_after_check): Ditto.
3520 * sched-rgn.c (new_ready): Ditto.
3522 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3524 PR rtl-optimization/29128
3525 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3526 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3527 allow interblock movement of speculation checks.
3529 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3532 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3533 casted to integer type.
3534 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3535 if they are significantly more expensive than [reg + index] ones.
3537 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3539 PR tree-optimization/29330
3540 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3541 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3542 on newly allocated ddrs.
3543 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3544 to VEC (loop_p, heap) pointer.
3545 (compute_data_dependences_for_loop): Adjust caller.
3546 (free_dependence_relations): Free DDR_LOOP_NEST.
3548 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3549 free DEPENDENCE_RELATIONS and DATAREFS.
3552 * builtins.c (expand_builtin_sync_operation,
3553 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3554 Use convert_to_mode to handle promoted arguments.
3556 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3558 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3560 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3562 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3564 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3566 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3567 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3568 Use <modeconstraint> instead of "r" as operand 1 constraint.
3570 2006-10-06 Olivier Hainque <hainque@adacore.com>
3572 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3573 Don't recurse on the pointed-to type.
3574 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3575 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3576 types with components of variable size.
3578 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3580 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3582 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3584 PR tree-optimization/29290
3585 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3589 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3590 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3593 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3594 the number of vector elements fill the rest with zeros.
3596 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3598 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3599 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3602 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3604 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3605 unnamed pattern into subsi3. Use correct constraints/predicates.
3606 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3607 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3609 2006-10-05 Ira Rosen <irar@il.ibm.com>
3611 * doc/loop.texi: Add data references analysis description.
3613 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3615 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3617 2006-10-04 Richard Henderson <rth@redhat.com>
3618 Jakub Jelinek <jakub@redhat.com>
3620 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3621 * builtin-types.def (BT_WORD): Make unsigned.
3622 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3623 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3624 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3625 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3626 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3627 * cgraph.c (decide_is_variable_needed): Look at force_output.
3628 Recurse for emulated tls.
3629 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3630 checks redundant with decide_is_variable_needed.
3631 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3632 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3634 * expr.c (emutls_var_address): New.
3635 (expand_expr_real_1): Expand emulated tls.
3636 (expand_expr_addr_expr_1): Likewise.
3637 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3638 * output.h (emutls_finish): Declare.
3639 * toplev.c (compile_file): Call it.
3640 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3641 address before wrapping in CONST.
3642 * varasm.c (emutls_htab, emutls_object_type): New.
3643 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3644 (get_emutls_object_name, get_emutls_object_type): New.
3645 (get_emutls_init_templ_addr, emutls_decl): New.
3646 (emutls_common_1, emutls_finish): New.
3647 (assemble_variable): When emulating tls, swap decls; generate
3648 constructor for the emutls objects.
3649 (do_assemble_alias): When emulating tls, swap decl and target name.
3650 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3652 * emutls.c: New file.
3653 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3654 tls_object for real tls.
3656 2006-10-04 Zack Weinberg <zackw@panix.com>
3658 Fix bug in constraint-check generator, reported by Rask Ingemann
3660 * genpreds.c (add_constraint): Don't remove anything from the
3662 (write_tm_constrs_h): Detect whether "op" argument is used, and
3663 mark it ARG_UNUSED if it isn't.
3664 (write_insn_const_int_ok_for_constraint): Skip the part of the
3665 expression that would test whether "op" (which is not available
3666 here) is a CONST_INT.
3668 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3671 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3673 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3675 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3676 current Leopard versions.
3677 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3679 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3681 * doc/install.texi: Fix typos.
3683 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3685 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3686 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3687 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3689 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3691 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3692 arg to be struct mach_header_64* instead.
3694 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3697 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3698 side effects after the outer expression's post side effects.
3700 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3702 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3703 comments to reflect actual behavior and relationship between
3704 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3706 * doc/c-tree.texi (Working with declarations): Fix documentation
3707 of FIELD_DECL likewise.
3709 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3712 * doc/extend.texi: Add used variable attribute description.
3714 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3717 * c.opt (Woverride-init): New.
3718 * c-opts.c (c_common_post_options): Default warn_override_init to
3720 * c-typeck.c (add_pending_init, output_init_element): Warn for
3721 overriding initializers without side effects.
3722 * doc/invoke.texi (-Woverride-init): Document.
3725 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3727 PR rtl-optimization/28096
3728 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3729 assignment has already been used as a destination earlier in the block.
3731 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3733 * builtins.c (expand_builtin_setjmp): Delete.
3734 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3735 <BUILT_IN_SETJMP_SETUP>: New case.
3736 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3737 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3738 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3739 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3740 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3741 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3742 (lower_function_body): Initialize it to false. If it is set to true
3743 at the end of the processing, emit the setjmp dispatcher.
3744 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3745 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3746 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3747 on the rhs of the assignment.
3748 (lower_builtin_setjmp): New function.
3749 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3750 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3751 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3752 to detect calls that can go to non-local labels. Use specific
3753 helper to create the abnormal edges associated with them.
3754 <MODIFY_EXPR>: Likewise.
3755 (make_abnormal_goto_edges): New function extracted from...
3756 (make_goto_expr_edges): ...here. Call it for computed gotos.
3757 (simple_goto_p): Minor tweak.
3758 (tree_can_make_abnormal_goto): New predicate.
3759 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3760 (tree_purge_dead_abnormal_call_edges): New function.
3761 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3762 (tree_purge_dead_abnormal_call_edges): Likewise.
3763 (make_abnormal_goto_edges): Likewise.
3764 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3765 Purge all dead abnormal edges if the call was in the last statement.
3766 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3767 (execute_fixup_cfg): If there are non-local labels in the function,
3768 scan the basic blocks and split them at calls that can go to non-local
3769 labels or add missing abnormal call edges. Write down the CFG in the
3771 (pass_fixup_cfg): Remove TODO_dump_func flag.
3772 * unwind-sjlj.c: Poison setjmp.
3773 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3774 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3775 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3776 (DONT_USE_BUILTIN_SETJMP): Document it.
3778 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3781 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3782 to 1 when __ppc64__ is defined.
3783 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3785 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3787 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3789 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3790 * config/ia64/unwind-hpux.c: Delete.
3792 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3794 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3795 on the element before gimplifying it, instead of punting if it is of
3798 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3800 * doc/loop.texi: New file.
3801 * doc/gccint.texi: Reference loop.texi.
3802 * Makefile.in (loop.texi): Add.
3804 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3806 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3808 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3809 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3811 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3813 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3815 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3817 * doc/install.texi: Document required versions of GMP and MPFR.
3819 2006-09-27 Paul Brook <paul@codesourcery.com>
3822 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3824 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3826 * reload1.c (alter_reg): Require the alignment of the stack slot to
3827 be at least reg_max_ref_width bytes.
3828 (scan_paradoxical_subregs): Record the largest width in
3831 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3835 * tree-nested.c (struct nesting_info): Added static_chain_added.
3836 (convert_call_expr): Set static_chain_added when adding static
3837 chain. Handle OMP_PARALLEL and OMP_SECTION.
3839 2006-09-25 Matthias Klose <doko@debian.org>
3841 * doc/invoke.texi: Add missing full stop.
3843 2006-09-25 Richard Henderson <rth@redhat.com>
3845 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3846 before cgraph_function_flags_ready.
3848 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3849 Adam Nemet <anemet@caviumnetworks.com>
3851 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3852 determine_common_wider_type): New functions.
3853 (get_computation_aff): Use them to simplify arithmetic between
3854 UBASE and CBASE if they are shortened from the same type.
3856 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3859 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3860 -2147483647 - 1 instead of 0x80000000.
3862 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3864 * flags.h (HONOR_NANS): Fix typo in comment.
3866 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3868 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3870 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3874 * tree.c (merge_attributes, attribute_list_contained): If both
3875 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3877 * c-typeck.c (comptypes_internal): Don't consider aggregates
3878 in different TUs as compatible if there one set of attributes is
3879 not a subset of the other type's attributes.
3880 (composite_type): Try harder not to create a new aggregate type.
3882 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3884 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3885 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3886 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3887 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3888 than replicating condition above.
3889 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3891 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3892 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3893 the linker by default.
3895 2006-09-22 Mike Stump <mrs@apple.com>
3897 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3900 2006-09-22 Richard Guenther <rguenther@suse.de>
3903 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3904 sort of stack variables stable.
3906 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3909 * explow.c (force_reg): Set REG_POINTER flag according to
3912 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3914 PR tree-optimization/28888
3915 * tree-if-conv.c (combine_blocks): Rewritten.
3916 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3917 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3919 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3921 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3924 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3926 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3928 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3930 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3932 2006-09-21 Roger Sayle <roger@eyesopen.com>
3935 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3936 dw_fde_current_label, to be the start of the function, i.e. the same
3937 value as dw_fde_begin.
3939 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3941 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3942 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3943 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3944 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3945 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3946 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3947 (abs<mode>2, neg<mode>2): Likewise.
3948 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3949 (*mips_abs_ps): New define_insn.
3951 2006-09-20 Josh Conner <jconner@apple.com>
3954 * calls.c (expand_call): Allow reuse of structure return stack
3957 2006-09-20 Paul Brook <paul@codesourcery.com>
3959 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3962 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3964 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3965 clean up terminology.
3967 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3970 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3971 with tablejumps in them.
3973 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3976 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3977 wrap it into TARGET_EXPR.
3979 2006-09-20 Eric Christopher <echristo@apple.com>
3981 * config/i386/i386.c (x86_fisttp): Remove.
3982 * config/i386/i386.h (x86_fisttp): Ditto.
3983 (TARGET_FISTTP): Ditto.
3985 2006-09-19 Eric Christopher <echristo@apple.com>
3987 * doc/tm.texi (OBJC_JBLEN): Describe.
3988 * config/i386/darwin.h (OBJC_JBLEN): Define.
3989 * config/rs6000/darwin.h: Ditto.
3991 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3993 PR rtl-optimization/21299
3994 * reload1.c (reload): Purge invalid ASMs in the final pass.
3996 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3999 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4000 pointers as legitimate constants.
4002 2006-09-19 Paul Brook <paul@codesourcery.com>
4005 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4007 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4009 PR tree-optimization/28887
4010 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4011 component parts from the reference.
4012 (gather_memory_references_ref): Record the reference without the
4013 nonaddressable component parts.
4015 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4018 * c-opts.c (c_common_handle_option): Ignore the -std options
4019 if the input language is assembly.
4021 2006-09-17 Ira Rosen <irar@il.ibm.com>
4024 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4026 (ptr_ptr_may_alias_p): Likewise.
4027 (record_record_differ_p): New function.
4028 (base_object_differ_p): Call record_record_differ_p.
4030 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4033 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4034 away for the expr argument.
4036 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4039 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4040 before using it for dumping after vectorizing loops.
4042 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4043 Jack Howarth <howarth@bromo.med.uc.edu>
4046 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4047 skip on error_mark_node.
4048 (rs6000_darwin64_record_arg_recurse): Likewise.
4050 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4052 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4053 * doc/rtl.texi: Remove related documentation.
4055 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4057 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4060 2006-09-15 Jim Wilson <wilson@specifix.com>
4062 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4063 Handle symbol offsets same as they are handled in ia64_expand_move
4066 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4068 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4069 Add forgotten parameter to the fprintf call.
4071 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4073 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4075 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4077 * doc/contrib.texi: Add my entry.
4079 2006-09-15 Nick Clifton <nickc@redhat.com>
4081 * doc/md.texi (Processor pipeline description): Fix typo in
4082 example of how to use the absence_set directive and reword the
4083 description to make it slightly easier to read.
4085 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4087 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4088 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4089 expanding the number of iterations.
4090 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4092 * cfgrtl.c (emit_insn_at_entry): New function.
4093 * rtl.h (emit_insn_at_entry): Declare it.
4094 * integrate.c (emit_initial_value_sets): Use it.
4096 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4098 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4100 (struct loop_work and related VEC declarations): Delete.
4101 (bfin_dump_loops): Print out new member bad.
4102 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4103 (bfin_scan_loop): Don't recurse.
4104 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4105 loops. No longer need to update outer loops if the current one is
4106 found bad. Move some validitiy checks to bfin_discover_loop.
4107 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4108 but changed not to check for nesting. Also changed to use the new bad
4110 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4111 time. Use bitmap based test to discover loop nesting.
4113 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4115 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4118 2006-09-14 Richard Guenther <rguenther@suse.de>
4119 Kazu Hirata <kazu@codesourcery.com>
4121 PR middle-end/28884.
4122 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4123 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4124 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4125 with TARGET_FUNCTION_VALUE.
4127 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4130 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4132 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4134 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4137 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4140 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4143 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4145 * basic_block.h (bb_has_eh_pred): Fix comment.
4147 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4149 * flow.c (calculate_global_regs_live): Invalidate eh registers
4150 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4151 (propagate_block): Handle eh registers as if they were set at basic
4153 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4155 * global.c (global_conflicts): Make eh registers to conflict with
4156 pseudos live at basic block begin.
4157 * basic_block.h (bb_has_eh_pred): New function.
4159 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4161 PR rtl-optimization/28982
4162 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4163 index of a PRE_MODIFY or POST_MODIFY address.
4164 * reload1.c (inc_for_reload): Use find_replacement on the original
4165 base and index registers.
4167 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4169 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4170 for -Os. Update __m128 alignment requirement.
4172 2006-09-13 Jan Hubicka <jh@suse.cz>
4174 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4176 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4178 PR rtl-optimization/28243
4179 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4180 the insn to which the note was originally attached.
4182 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4183 Roger Sayle <roger@eyesopen.com>
4185 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4186 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4187 on platforms that don't use dwarf for debug info.
4189 2006-09-12 Jason Merrill <jason@redhat.com>
4192 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4193 hard_frame_pointer_rtx after using it to update the frame pointer.
4195 2006-09-12 Roger Sayle <roger@eyesopen.com>
4197 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4198 (TARGET_ASM_CLOSE_PAREN): Likewise.
4199 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4200 (TARGET_ASM_CLOSE_PAREN): Likewise.
4202 2006-09-12 Roger Sayle <roger@eyesopen.com>
4205 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4206 frame information for frames larger than 512 Kbytes on Tru64 when
4207 using the native assembler.
4209 2006-09-12 Roger Sayle <roger@eyesopen.com>
4213 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4214 and symbols. Instead use the implementation from cse.c's hash_rtx.
4216 2006-09-12 Jan Hubicka <jh@suse.cz>
4218 PR rtl-optimization/28071
4219 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4220 (vect_transform_loop): Likewise.
4221 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4222 (new_loop_vec_info): Likewise.
4223 (destroy_loop_vec_info): Likewise.
4224 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4225 (create_stmt_ann): Likewise.
4226 (create_tree_ann): Rename to ...
4227 (create_tree_common_ann): ... this one; allocate only the common part
4229 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4230 (get_value_handle): Likewise.
4231 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4232 get_tree_common_ann.
4233 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4234 (vinfo_for_stmt): Use stmt annotations.
4235 * tree-flow.h (tree_ann_common_t): New type.
4236 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4237 (tree_ann, get_tree_ann, create_tree_ann): New.
4238 * tree-flow-inline.h (get_function_ann): Do more type checking.
4239 (stmt_ann): Likewise.
4240 (tree_ann): Rename to ...
4241 (tree_common_ann): ... this one; return ony common_ann
4242 (get_tree_ann): Rename to ...
4243 (tree_common_ann): This one; return only common_ann.
4244 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4247 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4249 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4250 with_cpu by default.
4252 * dwarf2out.c (dwarf_file_data): New.
4253 (enum dw_val_class): Add dw_val_class_file.
4254 (struct dw_val_struct): Add val_file.
4255 (file_table): Change to a hash table.
4256 (file_table_emitted): Delete.
4257 (file_table_last_lookup_index): Delete.
4258 (emitcount): Delete.
4259 (last_emitted_file): New.
4260 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4261 (init_file_table): Delete.
4262 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4263 (AT_addr): Add comment.
4267 (print_die): Handle dw_val_class_file.
4268 (print_dwarf_line_table): Update for new file table structure.
4269 (attr_checksum): Do checksum a filename.
4270 (same_dw_val_p, same_attr_p): Do compare a filename.
4271 (size_of_die): Handle dw_val_class_file.
4272 (value_format): Likewise.
4273 (output_die): Likewise. Also, call maybe_emit_file here.
4274 (struct file_info): Constify filenames. Make file_idx a pointer
4275 to a struct dwarf_file_data.
4276 (struct dir_info): Constify directory names. Remove 'used' field.
4277 (struct file_name_acquire_data): New.
4278 (file_name_acquire): New.
4279 (output_file_names): Modify to handle new file data structures.
4280 (add_src_coords_attributes): Use add_AT_file.
4281 (add_call_src_coords_attributes): Likewise.
4282 (dwarf2out_imported_module_or_decl): Likewise.
4283 (gen_subprogram_die): Modify for new file data structures.
4284 (gen_variable_die): Likewise.
4285 (file_table_eq): New.
4286 (file_table_hash): New.
4287 (file_table_last_lookup): New.
4288 (lookup_filename): Rewrite to handle new file data structures.
4289 (maybe_emit_file): Rewrite to handle new file data structures.
4290 (dwarf2out_source_line): Always call lookup_filename and
4292 (dwarf2out_init): Create file_table here.
4293 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4294 (file_table_relative_p): New.
4295 (dwarf2out_finish): Change detection of relative filenames
4296 to work with new file data structures. Move output_line_info call
4297 after debug_info output.
4299 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4304 * config/i386/i386.c (override_options): Always default to 16
4305 byte stack boundary.
4307 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4310 * var-tracking.c (dump_dataflow_set): Start dumping at
4312 (clobber_variable_part): Kill only the variable part in
4313 registers holding it, leaving other variables alone.
4315 2006-09-11 Josh Triplett <josh@freedesktop.org>
4317 * doc/extend.texi (Other Builtins): Actually use the macro
4318 argument in the documentation example for
4319 __builtin_types_compatible_p.
4321 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4323 PR rtl-optimization/28726
4324 * sched-deps.c (sched_analyze_reg): New function extracted from...
4325 (sched_analyze_1): ...here. Call it to analyze references to
4326 registers. Treat again writes to a stack register as writing to the
4328 (sched_analyze_2): ...and here. Call it to analyze references to
4329 registers. Treat again reads of a stack register as reading the
4332 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4333 David Edelsohn <edelsohn@gnu.org>
4336 * config/rs6000/spe.md (frob_df_di): Remove %H.
4337 (frob_di_df): Remove %H. Change evmergelo to mr.
4338 (frob_di_df_2): Remove %H. Change evldd to two loads.
4340 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4342 * doc/cpp.texi: Fix names of charset options.
4344 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4347 * config/i386/i386.c (override_options): Use 128-bit
4348 stack boundary always for 64bits.
4350 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4352 PR rtl-optimization/28636
4353 * combine.c (force_to_mode): Test for side-effects before
4354 substituting by zero.
4355 (simplify_shift_const): Likewise for zero or other constants.
4357 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4360 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4363 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4366 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4367 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4368 returned by mode_for_size, rather than the mode of src itself,
4369 to choose between 32-bit and 64-bit patterns.
4370 (mips_mem_fits_mode_p): New function.
4371 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4372 that the size of the source matches the size of the destination.
4373 (mov_<store>l, mov_<store>r): Likewise.
4375 2006-09-10 Eric Christopher <echristo@apple.com>
4377 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4380 2006-09-09 Eric Christopher <echristo@apple.com>
4383 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4386 2006-09-09 Roger Sayle <roger@eyesopen.com>
4387 Nicolas Setton <setton@adacore.com>
4389 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4391 2006-09-10 Andreas Schwab <schwab@suse.de>
4393 * config/m68k/m68k.md (bungt_rev): New pattern.
4395 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4396 Dale Johannesen <dalej@apple.com>
4399 * regclass.c (struct reg_pref): Update documentation.
4400 (regclass): Set prefclass to NO_REGS if memory is the best option.
4401 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4403 2006-09-08 Eric Christopher <echristo@apple.com>
4405 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4406 * config/t-slibgcc-darwin: Support x86_64 multilib.
4407 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4408 Return 1 for x86_64-darwin.
4409 * config/i386/t-darwin: Add m64 multilib.
4410 (LIB2_SIDITI_CONV_FUNCS): Use.
4411 (LIB2FUNCS_EXTRA): Ditto.
4412 * config/i386/darwin.h: Support x86_64.
4413 * config/i386/i386.c (override_options): Turn on flag_pic
4414 for x86_64-darwin. Disable flag_omit_pointer.
4415 (get_pc_thunk_name): Assert !TARGET_64BIT.
4416 (legitimate_address_p): Disable machopic addressing for
4418 (legitimize_pic_address): Ditto.
4419 (ix86_expand_move): Ditto.
4420 (ix86_expand_call): Ditto.
4421 (machopic_output_stub): Ditto.
4422 * config/darwin.c (machopic_select_section): Support literal16.
4423 (machopic_select_rtx_section): Ditto.
4424 * config/darwin-sections.def: Ditto.
4425 * config/darwin-64.c: New.
4427 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4430 * c-tree.h (struct c_arg_info): Add pending_sizes.
4431 * c-parser.c (c_parser_parms_declarator,
4432 c_parser_parms_list_declarator): Initialize pending_sizes.
4433 * c-decl.c (get_parm_info): Initialize pending_sizes.
4434 (get_parm_info): Set pending_sizes.
4435 (grokdeclarator): Call put_pending_sizes for parameters for
4436 function definition only.
4438 2006-09-07 Jason Merrill <jason@redhat.com>
4441 * varasm.c (output_constant): Only strip actual no-op conversions.
4444 * config/i386/i386.c (override_options): Use 128-bit
4445 stack boundary if -msse.
4447 2006-09-07 Eric Christopher <echristo@apple.com>
4449 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4451 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4454 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4456 * dwarf2out.c: Remove strange characters from comment above
4457 dwarf2out_frame_debug_expr.
4459 2006-09-07 Eric Christopher <echristo@apple.com>
4461 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4462 * config/darwin.h: ... to here.
4464 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4466 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4468 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4469 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4471 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4472 TARGET_PARTIAL_FLAG_REG_STALL.
4473 (*ashldi3_cconly_rex64): Likewise.
4474 (*ashlsi3_cmp): Likewise.
4475 (*ashlsi3_cconly): Likewise.
4476 (*ashlsi3_cmp_zext): Likewise.
4477 (*ashlhi3_cmp): Likewise.
4478 (*ashlhi3_cconly): Likewise.
4479 (*ashlqi3_cmp): Likewise.
4480 (*ashlqi3_cconly): Likewise.
4481 (*ashrdi3_cmp_rex64): Likewise.
4482 (*ashrdi3_cconly_rex64): Likewise.
4483 (*ashrsi3_cmp): Likewise.
4484 (*ashrsi3_cconly): Likewise.
4485 (*ashrsi3_cmp_zext): Likewise.
4486 (*ashrhi3_cmp): Likewise.
4487 (*ashrhi3_cconly): Likewise.
4488 (*ashrqi3_cmp): Likewise.
4489 (*ashrqi3_cconly): Likewise.
4490 (*lshrdi3_cmp_rex64): Likewise.
4491 (*lshrdi3_cconly_rex64): Likewise.
4492 (*lshrsi3_cmp): Likewise.
4493 (*lshrsi3_cconly): Likewise.
4494 (*lshrsi3_cmp_zext): Likewise.
4495 (*lshrhi3_cmp): Likewise.
4496 (*lshrhi3_cconly): Likewise.
4497 (*lshrqi2_cmp): Likewise.
4498 (*lshrqi2_cconly): Likewise.
4500 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4503 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4504 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4505 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4506 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4507 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4508 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4509 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4510 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4511 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4512 implement only CC setting effects of shift instructions.
4514 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4516 * doc/contrib.texi: Add myself.
4518 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4521 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4522 was set by the user.
4524 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4527 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4528 (divsi_inv_m1): Use them.
4529 (UNSPEC_DIV_INV_TABLE): New constant.
4531 2006-09-06 James E Wilson <wilson@specifix.com>
4534 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4535 then call count_or_remove_death_notes.
4537 2006-09-06 Jason Merrill <jason@redhat.com>
4540 * tree-inline.c (copy_result_decl_to_var): New fn.
4541 (declare_return_variable): Use it. Call declare_inline_vars here.
4542 (expand_call_inline): Not here.
4544 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4546 * doc/contrib.texi: Update my entry.
4548 2006-09-06 Nick Clifton <nickc@redhat.com>
4550 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4552 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4555 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4556 (canonicalize_induction_variables): Likewise.
4557 (tree_unroll_loops_completely): Likewise.
4558 (tree_ssa_prefetch_arrays): Likewise.
4559 (remove_empty_loops): Likewise.
4560 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4561 TODO_cleanup_cfg instead of directly calling
4562 cleanup_tree_cfg_loop.
4563 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4565 (tree_unroll_loops_completely): Likewise.
4566 (remove_empty_loops): Likewise.
4567 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4568 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4569 of tree_ssa_unswitch_loops.
4570 (tree_ssa_loop_ivcanon): Use the return value of
4571 canonicalize_induction_variables.
4572 (tree_ssa_empty_loop): Use the return value of
4574 (tree_complete_unroll): Use the return value of
4575 tree_unroll_loops_completely.
4576 (tree_ssa_loop_prefetch): Use the return value of
4577 tree_ssa_prefetch_arrays.
4578 * passes.c (execute_todo): Before Cleanup CFG, set
4579 updating_used_alone and after cleanup CFG, call
4580 recalculate_used_alone.
4582 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4585 * tree-vect-transform.c (vectorizable_condition): Move the check
4586 for the type after the check for simple condition.
4588 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4589 Kaz Kojima <kkojima@gcc.gnu.org>
4592 * mode-switching.c (optimize_mode_switching): Make the destination
4593 block of an abnormal edge have no anticipatable mode. Don't
4594 insert mode switching code at the end of the source block of
4597 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4599 PR rtl-optimization/26847
4600 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4601 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4602 (simplify_plus_minus): Count n_constants while filling ops. Replace
4603 qsort with insertion sort. Before going through the array to simplify
4604 pairs, sort it. Delay early exit until after the first sort, exiting
4605 only if no swaps occurred. Simplify pairs in reversed order, without
4606 special-casing the first iteration. Pack ops after simplifying pairs.
4608 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4610 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4611 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4612 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4613 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4615 2006-09-05 Richard Guenther <rguenther@suse.de>
4617 PR tree-optimization/28900
4618 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4619 compound conditional before creating COND_EXPR condition.
4621 2006-09-05 Richard Guenther <rguenther@suse.de>
4623 PR tree-optimization/28905
4624 * tree-vrp.c (fix_equivalence_set): Manually implement
4625 !value_ranges_intersect_p to also handle symbolic ranges.
4627 2006-09-05 Richard Guenther <rguenther@suse.de>
4630 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4633 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4635 PR rtl-optimization/27616
4636 * cse.c (table_size): New static variable.
4637 (new_basic_block): Initialize it to 0.
4638 (remove_from_table): Decrement it.
4639 (insert): Increment it.
4640 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4641 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4642 fold_rtx_mem_1 if under the cap.
4643 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4644 the lookup of the equivalent expression and test for equality of the
4645 first operand of the equivalent expression before in turn looking up
4646 an equivalent constant for the second operand.
4648 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4651 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4652 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4653 pointer, instead of assuming it is possible to derive the
4654 correct args size from a call insn.
4656 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4659 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4660 (fold_builtin_mempcpy): Rename to...
4661 (fold_builtin_memory_op): ... this. Optimize one element copy
4663 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4665 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4666 (expand_builtin_memcpy, expand_builtin_mempcpy,
4667 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4668 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4669 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4670 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4672 2006-09-01 DJ Delorie <dj@redhat.com>
4674 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4675 (stzx_16): Likewise.
4676 ("stzx_24_<mode>"): Likewise.
4677 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4678 ("cmp<mode>_op"): New.
4679 (cmp<mode>): Change to expander; just save operands.
4681 (b<code>): Change to expander, emit compare here.
4682 (s<code>_op): Change to use split and expander.
4683 (s<code>_24_op): Likewise.
4684 (s<code>_<mode>): New.
4685 (s<code>_<mode>_24): New.
4686 (movqicc_<code>_<mode): New.
4687 (movhicc_<code>_<mode>): New.
4690 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4691 (m32c_pend_compare): New.
4692 (m32c_unpend_compare): New.
4693 (m32c_expand_scc): New.
4694 (m32c_expand_movcc): Emit the compare also.
4695 * config/m32c/predicates.md (mra_nopp_operand): New.
4697 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4698 Richard Guenther <rguenther@suse.de>
4699 Adam Nemet <anemet@caviumnetworks.com>
4702 * builtins.c (get_pointer_alignment): Handle more forms
4703 of base addresses that can be used to derive more precise
4704 information about alignment.
4706 2006-09-01 Jason Merrill <jason@redhat.com>
4709 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4712 * gimplify.c (voidify_wrapper_expr): Handle null type.
4714 2006-09-01 Josh Conner <jconner@apple.com>
4717 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4718 (execute_return_slot_opt): Use it.
4720 2006-08-31 Josh Conner <jconner@apple.com>
4723 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4724 returning aggregates.
4726 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4728 PR tree-optimization/28839
4729 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4730 blocks in that phi arguments appear.
4732 2006-08-31 Roger Sayle <roger@eyesopen.com>
4735 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4736 NULL, otherwise use an advance_loc4 to adjust relative to the
4738 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4739 (dwarf2out_switch_text_section): Reset the current label to avoid
4740 using advance_loc4 over section boundaries.
4742 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4745 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4746 r12 + SYMBOLIC_CONST.
4748 2006-08-30 Richard Guenther <rguenther@suse.de>
4750 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4752 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4754 PR rtl-optimization/27735
4755 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4756 Add new argument to keep track of whether an irreducible region
4757 was affected. All callers changed.
4758 (fix_irreducible_loops): Removed.
4759 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4760 flags were invalidated.
4762 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4764 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4765 instead of SF operands.
4766 (*fop_df_comm_sse): Likewise.
4767 (*fop_df_comm_i387): Likewise.
4768 (*fop_df_1_mixed): Likewise.
4769 (*fop_df_1_sse): Likewise.
4771 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4772 J"orn Rennecke <joern.rennecke@st.com>
4774 PR tree-optimization/17506
4775 * tree-ssa.c (warn_uninit): If warning about a location outside of
4776 the current function, note where the variable was declared.
4778 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4780 PR tree-optimization/28411
4781 * double-int.c (double_int_div): Use double_int_divmod.
4782 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4783 double_int_mod, double_int_smod, double_int_umod): New functions.
4784 * double-int.h (double_int_divmod, double_int_sdivmod,
4785 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4787 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4789 (get_computation_aff, get_computation_cost_at): Handle double_int
4790 return type of constant_multiple_of.
4792 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4795 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4796 an implicit conversion.
4798 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4800 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4802 2006-08-27 Roger Sayle <roger@eyesopen.com>
4804 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4807 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4809 * config/i386/crtfastmath.c: Fix a comment typo.
4811 2006-08-26 Roger Sayle <roger@eyesopen.com>
4813 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4814 temporary visit flags on CASE_LABEL_EXPRs.
4815 * c-common.c (match_case_to_enum): Add function comment. Avoid
4816 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4817 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4818 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4819 a constant, only warn if that constant value isn't handled.
4821 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4824 * input.h (restore_input_file_stack): Declare.
4825 (INPUT_FILE_STACK_BITS): Define.
4826 * toplev.c (fs_p, input_file_stack_history,
4827 input_file_stack_restored, restore_input_file_stack): New.
4828 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4829 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4830 (pop_srcloc): Don't free old state of stack.
4832 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4835 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4836 (PowerPC Type Attributes): New.
4838 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4840 * config/xtensa/xtensa.c (function_arg_boundary): New.
4841 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4843 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4844 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4846 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4849 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4852 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4854 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4855 (verify_local_live_at_start): Likewise.
4857 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4860 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4861 omp_add_variable): Treat sizes as variable whenever not
4864 2006-08-26 Richard Guenther <rguenther@suse.de>
4867 * fold-const.c (fold_binary): Fold temporary to correct
4868 type before constructing new comparison.
4870 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4873 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4874 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4876 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4879 * c-decl.c (start_function): Don't try to process prototype
4880 information from old declaration that isn't a function.
4882 2006-08-25 Jan Hubicka <jh@suse.cz>
4885 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4887 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4890 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4893 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4895 PR tree-optimization/16876
4896 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4897 exit if PARM doesn't match VALUE.
4899 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4901 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4902 literal_prefix directive.
4903 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4904 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4905 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4907 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4910 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4911 predicate to general_operand. Add 0->y and I->r alternatives.
4913 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4915 * doc/tm.texi: Fix a typo.
4916 * predict.c: Fix comment typos.
4918 2006-08-25 Nick Clifton <nickc@redhat.com>
4920 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4921 assertions of "cpu" and "machine".
4923 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4926 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4927 the access through a base which has an alias set of 0 cannot
4930 2006-08-24 Bill Wendling <wendling@apple.com>
4932 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4934 2006-08-24 Jan Hubicka <jh@suse.cz>
4936 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4938 2006-08-24 Jan Hubicka <jh@suse.cz>
4941 * cgraph.c: Fix comments.
4942 (cgraph_varpool_mark_needed_node): Mark only variables not already
4944 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4945 (cgraph_varpool_assembled_nodes_queue): New static variable.
4946 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4947 (cgraph_varpool_output_debug_info): New function.
4948 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4949 * Makefile.in: Add gt-cgraphunit.h
4951 2006-08-24 Jan Hubicka <jh@suse.cz>
4953 * predict.c (probability_reliable_p): New predicate.
4954 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4955 (predict_loops): Do not predict loop exit with less than 2%
4957 * basic-block.h (edge_probability_reliable_p,
4958 br_prob_note_reliable_p): Declare.
4959 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4960 prediction when static predictor is not reliable.
4961 * rs6000.c (output_cbranch): Likewise.
4963 2006-08-23 Stuart Hastings <stuart@apple.com>
4966 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4967 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4969 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4972 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4973 complex values, nor for generic vector values.
4975 2006-08-22 Richard Guenther <rguenther@suse.de>
4978 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4979 parameter. Convert arguments to arithmetic expression to the
4981 (analyze_scalar_evolution_1): Adjust caller.
4983 2006-08-22 Jan Hubicka <jh@suse.cz>
4985 Patch by Paolo Bonzini
4986 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4989 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4991 PR tree-optimization/28003
4992 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4993 before grouping aliases.
4995 2006-08-22 Roger Sayle <roger@eyesopen.com>
4997 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4998 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5000 2006-08-21 Jason Merrill <jason@redhat.com>
5003 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5004 wrapper. Loop to handle nested wrappers.
5005 (gimplify_bind_expr): Remove temp parameter.
5006 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5007 and STATEMENT_LIST on the rhs.
5008 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5009 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5010 (gimplify_target_expr): Remove special BIND_EXPR handling.
5012 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5014 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5017 2006-08-21 Olivier Hainque <hainque@adacore.com>
5019 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5020 Arrange for the temporary captures of components overlapping the lhs
5021 to happen before the lhs is possibly cleared.
5023 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5025 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5026 necessary places to pass the correct "number of registers" values
5029 2006-08-20 Jan Hubicka <jh@suse.cz>
5031 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5032 (create_name_tags): Instead of quadratic checking use hashtable.
5033 * bitmap.h: Include hashtab.h.
5034 (bitmap_hash): Declare.
5035 * bitmap.c (bitmap_hash): New function.
5037 2006-08-20 Jan Hubicka <jh@suse.cz>
5039 PR rtl-optimization/28071
5040 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5042 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5043 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5044 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5045 cgraph_decide_inlining_incrementally): Update use of
5046 cgraph_check_inline_limits.
5047 * cgraph.c (edge_hash, edge_eq): New function.
5048 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5049 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5050 cgraph_remove_node): Maintain call site hash.
5051 * cgraph.h (struct cgraph_node): Add call_site_hash.
5052 (cgraph_set_call_stmt): New function.
5054 2006-08-20 Jan Hubicka <jh@suse.cz>
5056 PR rtl-optimization/28071
5057 * reload1.c (reg_has_output_reload): Turn into regset.
5058 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5059 choose_reload_regs, emit_reload_insns): Update to new
5060 reg_has_output_reload.
5062 2006-08-20 Jan Hubicka <jh@suse.cz>
5065 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5066 function body sizes.
5067 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5069 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5072 * tree.c (handle_dll_attribute): Return early if not a
5073 var or function decl.
5075 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5078 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5079 alignment of SPE vector types.
5081 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5083 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5085 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5088 * cgraph.h (struct cgraph_node): Remove externally_visible
5090 * cgraphunit.c (process_function_and_variable_attributes): Set
5091 local.externally_visible rather than externally_visible.
5094 * c-common.c (handle_externally_visible_attribute): First look
5095 at TREE_CODE and only if it is function or var decl, check for
5096 non-public objects. Don't warn for DECL_EXTERNAL.
5097 * cgraphunit.c (process_function_and_variable_attributes): Warn
5098 if externally_visible attribute is used on non-public object.
5100 2006-08-17 Jan Hubicka <jh@suse.cz>
5102 PR tree-optimization/27865
5103 * reload1.c (forget_marked_reloads): New function.
5104 (forget_old_reloads_1): When data are passed, just mark the registers
5106 (reload_as_needed): Use the new mechanizm.
5108 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5111 * reload.h (reg_equiv_alt_mem_list): New declaration.
5112 * reload1.c (reg_equiv_alt_mem_list): New definition.
5113 (reload): Initialize it and release it.
5114 (delete_output_reload): Use it.
5115 * reload.c (push_reg_equiv_alt_mem): New function.
5116 (find_reloads_toplev): Call it.
5117 (find_reloads_address, find_reloads_address_1): Likewise.
5118 (find_reloads_subreg_address): Likewise.
5120 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5122 PR rtl-optimization/28489
5123 * sched-ebb.c (begin_schedule_ready): Create basic block
5125 (advance_target_bb): Skip empty blocks.
5126 * haifa-sched.c (bb_note): Make global.
5127 * sched-int.h (bb_note): Add prototype.
5129 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5131 PR tree-optimization/27865
5132 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5134 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5135 fold_used_pointer, pointer_used_p): New functions.
5136 (analyze_scalar_evolution_1): Use fold_used_pointer.
5137 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5138 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5141 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5144 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5145 or the INTEGER_CST. Fail on a CALL_EXPR.
5146 (fold_offsetof): Pass new argument to fold_offsetof_1.
5147 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5148 operand into an INDIRECT_REF.
5149 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5151 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5153 PR gcov/profile/26570
5154 * value-prof.c (static_values): Removed.
5155 (tree_find_values_to_profile): Do not set static_values.
5156 (find_values_to_profile): Do not free static_values.
5157 * profile.c (instrument_values): Do not free the values.
5158 (branch_prob): Free the values.
5160 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5162 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5164 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5167 * c-typeck.c (build_component_ref): Combine qualifiers of
5168 structure or union and field.
5170 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5172 PR rtl-optimization/28071
5173 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5174 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5175 * tree-into-ssa.c (struct dom_dfsnum): New.
5176 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5178 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5179 compute_global_livein.
5180 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5181 in phi nodes in the correct blocks.
5183 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5185 PR tree-optimization/28364
5186 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5188 (fold_affine_expr): New function.
5189 (may_eliminate_iv): Use fold_affine_expr.
5191 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5194 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5197 2006-08-16 Mike Stump <mrs@apple.com>
5199 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5200 * doc/cppopts.texi (-MD): Likewise.
5202 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5205 * c-common.c (handle_weak_attribute): Ignore and warn if
5206 not a FUNCTION_ or VAR_DECL.
5208 2006-07-15 Mike Stump <mrs@apple.com>
5211 * c-parser.c (c_parser_typeof_specifier): Don't use
5212 c_finish_expr_stmt, open code desired semantics instead.
5214 2006-08-15 Nick Clifton <nickc@redhat.com>
5216 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5217 fragment to tmake_file only if threads are enabled.
5218 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5219 * config/i386/t-gthr-win32: New file. ... here.
5221 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5224 * c-parser.c (c_parser_compound_statement_nostart): Reset
5225 parser->error after each statement.
5227 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5230 * omp-low.c (lower_omp_parallel): Convert t to
5231 receiver_decl's type.
5232 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5233 source before comparison.
5236 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5237 to itype in assignment to oldival2.
5239 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5243 * c-typeck.c (build_compound_expr): If the second expression
5244 is an error mark, then just return an error mark instead of
5245 creating a COMPOUND_EXPR.
5247 2006-07-14 Mike Stump <mrs@apple.com>
5249 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5251 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5253 * c-decl.c, var-tracking.c: Fix comment typos.
5255 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5257 PR rtl-optimization/28634
5258 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5259 for floating-point modes unless flag_unsafe_math_optimizations.
5261 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5262 Andrew Pinski <pinskia@physics.uc.edu>
5265 * tree.c (build_array_type): Unify array types with
5266 unspecified index_type.
5267 * c-decl.c (grokdeclarator): Make sure we do not modify a
5268 unified incomplete array type.
5269 * c-typeck.c (store_init_value): Create distinct type before
5270 filling in the index type in an initializer from a compound
5273 * c-decl.c (grokdeclarator): Remove code where we copy the
5276 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5278 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5279 into account for TODO_dump_cgraph.
5280 (TODO_update_ssa_no_phi): Likewise.
5281 (TODO_update_ssa_full_phi): Likewise.
5282 (TODO_update_ssa_only_virtuals): Likewise.
5283 (TODO_remove_unused_locals): Likewise.
5284 (TODO_set_props): Likewise.
5285 (TODO_update_stmt_usage): Likewise.
5287 2006-08-13 Dirk Mueller <dmueller@suse.de>
5289 * c-common.c (strict_aliasing_warning): Fix formatting.
5291 2006-08-13 Matthias Klose <doko@debian.org>
5293 * doc/invoke.texi: Fix spelling errors.
5295 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5297 PR rtl-optimization/23454
5298 * reorg.c (relax_delay_slots): Update comment.
5300 2006-08-11 Richard Guenther <rguenther@suse.de>
5303 * simplify-rtx.c (simplify_const_relational_operation):
5304 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5307 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5309 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5310 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5312 2006-08-10 Paul Brook <paul@codesourcery.com>
5314 * final.c (final_scan_insn): Clear current_insn_predicate before
5315 outputting inline asm.
5317 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5319 PR tree-optimization/26197
5320 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5321 get_ref_base_and_extent and overlap_subvar to add only relevant
5322 subvars as may-aliases.
5323 (add_may_alias_for_new_tag): New function, factored out of
5325 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5326 with additional argument.
5327 * tree-flow.h (new_type_alias): Takes additional argument.
5329 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5331 * gcov.c (no_data_file): New flag.
5332 (read_count_file): Set it if data file not present. Assume counts
5334 (output_lines): Don't name the data file, if there wasn't one.
5336 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5338 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5339 (rs6000_generate_compare): Tweak comments.
5340 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5342 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5344 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5345 (var_debug_decl): New function.
5346 (var_reg_set): Follow debug decl link. Add location even if
5347 reg is already known to hold some other variable.
5348 (var_mem_set): Follow debug decl link.
5349 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5350 decl link. Delete other known locations of the variable part
5352 (var_reg_delete, var_mem_delete): Delete other known locations
5353 of the variable part if requested.
5354 (same_variable_part_p): New function.
5355 (add_stores): Select MO_COPY when appropriate.
5356 (vt_initialize): Handle it.
5357 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5358 known locations for MO_SET and MO_CLOBBER.
5359 (find_variable_location_part): New function.
5360 (set_variable_part, delete_variable_part): Use it.
5361 (clobber_variable_part): New function.
5362 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5365 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5367 PR tree-optimization/26969
5368 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5369 with an empty list of PHIs.
5371 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5375 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5378 2006-08-06 Andreas Schwab <schwab@suse.de>
5380 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5381 string. Whitespace and comment fixup.
5383 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5386 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5390 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5393 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5395 2006-08-04 Jan Hubicka <jh@suse.cz>
5399 * reload.c (push_reload): Patch out the mismatching instruction;
5401 (find_reload): Bail out if the instruction was patched out.
5403 2006-08-04 Jan Hubicka <jh@suse.cz>
5405 PR tree-optimization/24888
5406 * tree-inline.c (expand_call_inline): Do not re-record variables.
5407 (declare_inline_vars): Add variable to unexpanded_var_list.
5409 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5410 Roger Sayle <roger@eyesopen.com>
5412 PR rtl-optimization/26244
5413 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5414 inner_const are negative or greater than or equal to the bitsize of
5415 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5416 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5417 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5418 CONST0_RTX (mode) when the new shift count is greater than or equal to
5419 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5422 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5424 * tree-cfg.c: Fix a comment typo.
5426 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5429 * varasm.c (output_constant): Give the front end another chance to
5430 expand constants, after stripping NOPs.
5432 2006-08-03 Jan Hubicka <jh@suse.cz>
5434 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5437 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5439 PR tree-optimization/27770
5440 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5441 declaration removed (moved to tree-flow.h).
5442 (vect_can_force_dr_alignment_p): Likewise.
5443 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5444 (moved from tree-vectorizer.h).
5445 (vect_can_force_dr_alignment_p): Likewise.
5446 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5447 from outside the vectorizer - in particular from cgraph stage.
5448 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5449 the alignment of global arrays when -fsection-anchors is enabled.
5450 * cgraphunit.c (cgraph_increase_alignment): New function.
5451 (cgraph_optimize): Call cgraph_increase_alignment.
5453 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5456 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5457 not reload a SPE symbol_ref into a lo_sum address.
5459 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5462 * dwarf2out.c (prune_unused_types_prune): Move call to
5463 prune_unused_types_update_strings to cover the parent DIE also.
5465 2006-08-02 Jan Hubicka <jh@suse.cz>
5467 PR gcov/profile/28480
5468 * tree-cfg.c (change_bb_for_stmt): New function.
5469 (tree_merge_blocks, tree_split_blocks): Use it.
5471 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5477 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5478 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5479 (cgraph_optimize): Likewise.
5481 2006-08-01 Stuart Hastings <stuart@apple.com>
5483 * rtl.h (UINTVAL) New.
5484 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5485 * testsuite/gcc.dg/20060801-1.c: New.
5487 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5490 * c-typeck.c (build_external_type): Mark used enum types.
5491 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5493 (gen_subprogram_die): Whitespace fix.
5495 2006-08-01 Jan Hubicka <jh@suse.cz>
5497 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5498 bitmap when not needed.
5499 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5502 2006-08-01 Dirk Mueller <dmueller@suse.de>
5504 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5506 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5508 * Makefile.in: Revert part of previous patch:
5509 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5512 2006-07-30 Eric Christopher <echristo@apple.com>
5515 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5516 (PowerPC Variable Attributes): New section.
5518 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5520 PR target/28126 (partial fix)
5521 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5523 2006-07-28 Jan Hubicka <jh@suse.cz>
5525 PR rtl-optimization/28071
5526 * cfgrtl.c (rtl_delete_block): Free regsets.
5527 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5529 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5531 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5532 and variables used in dependencies.
5534 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5536 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5537 %fs for -mcmodel=kernel.
5538 (stack_tls_protect_test_di): Likewise.
5540 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5542 * Makefile.in: Use mkinstalldirs.
5544 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5547 * opts-common.c (prune_options): Skip joined switches.
5549 2006-07-27 Jan Hubicka <jh@suse.cz>
5551 PR rtl-optimization/28071
5552 * cselib.c (cselib_process_insn): Don't remove useless values too
5553 often for very large hashtables.
5555 2006-07-27 Jan Hubicka <jh@suse.cz>
5557 PR rtl-optimization/28071
5558 * global.c (greg_obstack): New obstack.
5559 (allocate_bb_info): Use it.
5560 (free_bb_info): Likewise.
5561 (modify_reg_pav): Likewise.
5563 2006-07-27 Roger Sayle <roger@eyesopen.com>
5565 * builtins.c (fold_fixed_mathfn): When long and long long are the
5566 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5567 functions to their lceil*, lfloor*, lround* and lrint* forms.
5569 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5572 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5574 (rev_branch_insn): Likewise.
5576 2006-07-27 Jan Hubicka <jh@suse.cz>
5578 PR rtl-optimization/28071
5579 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5580 (reg_set_in_bb, max_reg_computed): New static variables.
5581 (regmove_optimize): Free the new array.
5582 (fixup_match_1): Update call of reg_is_remote_constant_p.
5584 2006-07-26 Jan Hubicka <jh@suse.cz>
5586 PR tree-optimization/27882
5587 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5589 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5591 (cgraph_analyze_compilation_unit): Likewise.
5592 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5593 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5594 (cgraph_early_inlinine): Make order garbage collected.
5595 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5597 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5599 * dbxout.c (output_types_sort): Add a comment.
5600 (output_used_types): Free the VEC.
5602 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5604 * function.c (reorder_fix_fragments): Delete.
5605 (reorder_blocks): Don't call it.
5606 (reorder_blocks_1): Put all subblocks under the origin block.
5608 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5610 PR rtl-optimization/27907
5611 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5614 2006-07-25 Roger Sayle <roger@eyesopen.com>
5617 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5618 bar(x) check that bar's result type can represent all the values of T.
5620 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5622 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5624 2006-07-25 Nick Clifton <nickc@redhat.com>
5626 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5627 size_lookup[] array.
5628 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5629 (ggc_pch_count_object): Likewise.
5630 (ggc_pch_alloc_object): Likewise.
5631 (ggc_pch_write_object): Likewise.
5632 (init_ggc): Do not attempt to initialize entries in the
5633 size_lookup[] array for objects whose size is greater than than
5634 the length of the array.
5636 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5638 * dbxout.c (output_used_types_helper): Push queued types
5640 (output_types_sort): New.
5641 (output_used_types): Collect used types on a VEC and sort them
5644 2006-07-24 Richard Guenther <rguenther@suse.de>
5647 * cgraph.c (cgraph_remove_node): Do not check if dumps
5649 * cgraphunit.c (cgraph_optimize): Likewise.
5651 2006-07-24 Jan Hubicka <jh@suse.cz>
5653 PR rtl-optimization/28071
5654 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5655 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5656 splitting before first stmt.
5658 2006-07-24 Jan Hubicka <jh@suse.cz>
5660 PR rtl-optimization/28071
5661 * ipa-inline.c (update_caller_keys): Remove edges that
5662 are no longer inline candidates.
5664 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5667 * dbxout.c (output_used_types_helper, output_used_types): New.
5668 (dbxout_symbol): Call output_used_types.
5670 2006-07-23 Jan Hubicka <jh@suse.cz>
5674 * cgraph.c (cgraph_varpool_nodes): Export.
5675 (decide_is_variable_needed): Ignored "used" attribute in
5676 unit-at-a-time mode.
5677 * cgraph.h (cgraph_varpool_nodes): Declare.
5678 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5679 unit-at-a-time mode.
5681 2006-07-23 Roger Sayle <roger@eyesopen.com>
5684 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5685 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5686 the __gthrw form of thr_keycreate.
5687 (__gthread_key_delete): Silence the unused argument warning.
5689 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5692 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5693 Cache the last found '\0' marker to avoid quadratic behavior.
5695 2006-07-23 Jan Hubicka <jh@suse.cz>
5697 * i386.md (subsi_3_zext): Fix output template.
5699 2006-07-21 Mike Stump <mrs@apple.com>
5701 * doc/invoke.texi (C++ Dialect Options): Note that
5702 -fvisibility-inlines-hidden doesn't affect explicitly
5703 instantiationed inline methods.
5705 2006-07-20 Roger Sayle <roger@eyesopen.com>
5707 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5708 if the target assembler is GNU binutils' gas.
5709 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5710 whether to pass GNU gas or native as command line options.
5712 2006-07-20 Jason Merrill <jason@redhat.com>
5714 * tree.c (remove_attribute): New fn.
5715 * tree.h: Declare it.
5717 2006-07-20 Paul Brook <paul@codesourcery.com>
5720 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5721 they are invalidated by this instruction.
5723 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5726 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5728 2006-07-20 Eric Christopher <echristo@apple.com>
5731 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5733 2006-07-19 Eric Christopher <echristo@apple.com>
5735 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5736 Rewrite dependencies for libgcc_s.1.dylib.
5738 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5740 * except.c (duplicate_eh_regions_1): Clear next_peer.
5742 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5744 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5745 -mlongcall does not guarantee all calls will be long.
5746 * doc/extend.texi (long_call/short_call): Document that longcall
5747 does not guarantee a long call will be used.
5748 (longcall/shortcall): Likewise.
5750 2006-07-18 Roger Sayle <roger@eyesopen.com>
5753 * expmed.c (expand_shift): Additionally check that the shift_cost
5754 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5755 before implementing a LSHIFT_EXPR as a sequence of additions.
5756 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5757 middle-end that DImode shifts need to be synthesized by expand.
5759 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5762 * tree-ssa-operands.c (access_can_touch_variable): Update
5764 Return true if ALIAS is .GLOBAL_VAR.
5766 2006-07-18 David Daney <ddaney@avtrex.com>
5768 * gcc.c (display_help): Fix typo in help text.
5770 2006-07-18 Olivier Hainque <hainque@adacore.com>
5772 * tree.h (categorize_ctor_elements): Adjust prototype and add
5773 descriptive comment, both in accordance with the interface change
5775 * varasm.c (constructor_static_from_elts_p): New function.
5776 Whether a constructor node is a valid static constant initializer
5777 if all its elements are.
5778 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5779 * output.h: Declare it.
5780 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5781 is a valid constant initializer instead of computing the number of
5782 non-constant elements. Use constructor_static_from_elts_p for this
5783 purpose. Replace the head comment with an indication that this is a
5784 helper for categorize_ctor_elements.
5785 (categorize_ctor_elements): Same interface change as for the _1
5786 helper. Former head comment from this helper moved here, adjusted to
5787 account for the interface changes.
5788 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5789 (all_zeros_p): Likewise.
5790 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5791 static versions of the constructor from the categorize_ctor_elements
5792 return value instead of the formerly computed number of non-constant
5795 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5797 * configure: Regenerate.
5798 * Makefile.in (build_libsubdir): New configure substitution
5799 (build_libobjdir): New variable.
5800 (BUILD_LIBIBERTY): Use it.
5802 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5805 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5807 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5810 * c-common.c (handle_weakref_attribute): Ignore attribute in
5811 the same conditions the alias attribute is ignored.
5813 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5815 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5816 (dbxout_begin_prologue): Increment scope_labelno.
5818 2006-07-17 Richard Henderson <rth@redhat.com>
5821 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5824 2006-07-17 Roger Sayle <roger@eyesopen.com>
5825 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5827 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5828 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5829 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5830 functions such as sbrk, write, etc.. Add function prototypes.
5831 Convert function declarations from K&R to ISO C. Cast pointers
5832 to "long" and "unsigned long" instead of "int" and "unsigned int".
5833 Convert tokens following #endif into comments.
5835 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5837 * invoke.texi: Remove mention of f77; Reformat table for
5838 inline parameter options correctly; mention that -malign-double
5839 is default on x86-64 targets.
5841 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5843 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5844 (convert_affine_scev, chrec_convert_aggressive): Use
5845 avoid_arithmetics_in_type_p. Do not check for the subtypes
5848 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5851 * optabs.c (expand_doubleword_shift): Wrap the call to
5852 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5854 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5857 * optabs.c (expand_binop): Pass next_methods rather than methods
5858 to expand_doubleword_shift.
5860 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5863 * tree.h (dump_addr): Declare.
5864 * print-tree.c (dump_addr): New function.
5865 (print_node_brief, print_node): Use it.
5866 * print-rtl.c (print_rtx): Likewise.
5867 * common.opt (-fdump-noaddr): New option.
5868 * doc/invoke.texi (-fdump-noaddr): Document.
5869 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5870 (ve_info_hash): Likewise.
5872 2006-07-13 Andrew Haley <aph@redhat.com>
5874 PR tree-optimization/19505
5875 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5876 edge leaving this block, make sure that the destination of this
5877 block has only one predecessor.
5879 2006-07-17 Richard Guenther <rguenther@suse.de>
5881 PR tree-optimization/28238
5882 * tree-inline.c (copy_bb): Check if we produced valid
5883 gimple copying and substituting a stmt. If not, gimplify
5886 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5888 * optabs.c (maybe_encapsulate_block): New function extracted from...
5889 (emit_libcall_block): ...here. Invoke it on the block of insns to
5890 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5891 (emit_no_conflict_block): Likewise.
5893 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5895 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5897 2006-07-15 Roger Sayle <roger@eyesopen.com>
5899 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5900 a new NOP_EXPR case of the switch statement.
5902 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5905 * stor-layout.c (place_field): Take the bit field with
5906 an excessive size into account in the ms-bitfiled case.
5909 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5910 the previous bit field.
5912 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5915 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5917 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5919 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5920 signal frames correctly even when the signal was installed with
5923 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5925 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5926 (dbxout_function_end): Use local label LFBB. Remove hook
5928 (dbxout_source_line): Use local label LFBB.
5929 (dbxout_block): Likewise.
5930 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5931 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5932 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5933 and DBX_OUTPUT_NFUN.
5935 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5937 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5939 2006-07-13 Jan Hubicka <jh@suse.cz>
5941 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5943 * output.h (align_variable): Declare.
5944 * varasm.c (align_variable): Export.
5945 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5946 when basic block changed.
5948 2006-07-13 Nick Clifton <nickc@redhat.com>
5950 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5951 walking the LOG_LINKS chain.
5953 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5955 * doc/invoke.texi (C++ Dialect Options): Explain difference
5956 between -fvisibility-inlines-hidden and setting hidden
5957 visibility explicitly.
5959 2006-07-12 Eric Christopher <echristo@apple.com>
5961 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5962 (stmp-lipo): Depend on libgcc.a.
5964 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5966 * tree.c: Fix a comment typo.
5968 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5970 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5972 (umulhisi3_r): Likewise.
5974 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5977 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5978 x < 19, vs wchar_t support.
5980 2006-07-12 Nick Clifton <nickc@redhat.com>
5982 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5983 instead of -isa=sh4.
5985 2006-07-12 Mike Stump <mrs@apple.com>
5987 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5989 2006-07-10 Eric Christopher <echristo@apple.com>
5991 * config/t-slibgcc-darwin: Rewrite.
5993 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5996 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5999 2006-07-08 Matthias Klose <doko@debian.org>
6001 * doc/sourcebuild.texi: Fix typo.
6003 2006-07-07 Mike Stump <mrs@apple.com>
6005 * toplev.c (process_options): Don't give -ffunction-sections may
6006 affect debugging warning for Mach-O.
6008 2006-07-07 James E Wilson <wilson@specifix.com>
6010 * config/mips/mips.md (cpu): Add sb1a.
6011 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6012 addition to sb1. Adjust comments to clarify SB-1A differences from
6014 (ir_sb1a_load): New. Modify bypasses to use it.
6015 (ir_sb1a_simple_alu): Likewise.
6016 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6017 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6018 (mips_issue_rate): Add PROCESSOR_SB1A.
6019 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6020 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6021 (TARGET_SB1): Add PROCESSOR_SB1A check.
6022 (TUNE_SB1): Likewise.
6024 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6025 * config/mips/mips.c (mips_store_data_bypass_p): New.
6026 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6027 store_data_bypass_p.
6029 2006-07-08 Paul Brook <paul@codesourcery.com>
6032 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6034 2006-07-07 Richard Guenther <rguenther@suse.de>
6037 * tree.h (build_one_cst): Declare.
6038 * tree.c (build_one_cst): New function.
6039 * tree-ssa-math-opts.c (get_constant_one): Remove.
6040 (insert_reciprocals): Use build_one_cst.
6041 * fold-const.c (fold_plusminus_mult): Likewise.
6043 2006-07-07 Roger Sayle <roger@eyesopen.com>
6045 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6046 * cfgloopanal.c (dump_graph): Likewise.
6047 * dojump.c (discard_pending_stack_adjust): Likewise.
6048 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6050 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6051 * function.c (finalize_block_changes): Likewise.
6052 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6053 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6054 * rtl.c (dump_rtx_statistics): Likewise.
6055 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6057 * varray.c (dump_varray_statistics): Likewise.
6058 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6059 decode_decimal64, encode_decimal128, decode_decimal128,
6060 decimal_real_to_decimal): Likewise.
6062 2006-07-07 Richard Guenther <rguenther@suse.de>
6064 PR tree-optimization/28187
6065 * tree-vrp.c (vrp_operand_equal_p): New function.
6066 (vrp_bitmap_equal_p): Likewise.
6067 (update_value_range): Use them to compare old and new
6070 2006-07-06 Roger Sayle <roger@eyesopen.com>
6072 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6073 a default case to switch statement to silence compiler warnings.
6075 2006-07-06 Roger Sayle <roger@eyesopen.com>
6078 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6079 the configured assembler supports the x87's ffreep mnemonic.
6080 * configure: Regenerate.
6081 * config.in: Regenerate.
6083 * config/i386/i386.c (output_387_ffreep): New function.
6084 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6085 (output_387_reg_move): Likewise.
6087 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6089 Port to hosts whose 'sort' and 'tail' implementations
6090 treat operands with leading '+' as file names, as POSIX
6091 has required since 2001. However, make sure the code still
6092 works on pre-POSIX hosts.
6093 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6094 which says you should use "tail -c +N" rather than "tail +Nc".
6095 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6097 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6099 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6102 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6105 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6106 PRE_{INC,DEC} of TFmode.
6108 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6109 Alan Modra <amodra@bigpond.net.au>
6112 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6115 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6118 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6119 Remove duplicate gtu.
6121 2006-07-05 Jason Merrill <jason@redhat.com>
6125 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6126 * c-common.c (handle_packed_attribute): So don't copy it here.
6127 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6129 2006-07-05 Mike Stump <mrs@apple.com>
6131 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6133 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6136 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6138 2006-07-05 Richard Guenther <rguenther@suse.de>
6141 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6142 TARGET_SSE2 targets if using SSE math.
6143 (*absdf2_1): Likewise.
6145 2006-07-05 Richard Guenther <rguenther@suse.de>
6147 PR tree-optimization/28162
6148 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6149 make sure to convert the operands to the correct type.
6151 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6153 PR tree-optimization/28218
6155 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6156 to calculate and free the dominator information.
6158 2006-07-04 Peter O'Gorman <peter@pogma.com>
6160 * mklibgcc.in: chmod 644 before ranlib during install.
6162 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6163 J"orn Rennecke <joern.rennecke@st.com>
6165 * configure.ac (.eh_frame data check): Use diff -b.
6167 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6170 * Makefile.in (BUILD_RTL): Add build/vec.o.
6171 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6172 (build/genextract): Delete.
6173 (build/genautomata): Likewise.
6175 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6178 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6179 128-bit IBM long doubles for ABI_V4.
6181 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6183 * tree.c (range_in_array_bounds_p): New predicate.
6184 * tree.h (range_in_array_bounds_p): Declare it.
6185 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6186 return a less conservative answer.
6187 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6188 and flag 'is_group'.
6189 (IS_ELEMENT_FOR_GROUP): New macro.
6190 (FOR_EACH_ACTUAL_CHILD): Likewise.
6191 (next_child_for_group): New helper function.
6192 (can_completely_scalarize_p): Take into account groups.
6193 (sra_hash_tree): Handle RANGE_EXPR.
6194 (sra_elt_eq): Likewise.
6195 (lookup_element): Be prepared for handling groups.
6196 (is_valid_const_index): Delete.
6197 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6198 instead of is_valid_const_index.
6199 <ARRAY_RANGE_REF>: New case.
6200 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6201 is_valid_const_index.
6202 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6203 (scan_dump): Dump info for groups too.
6204 (decide_instantiation_1): Likewise.
6205 (decide_block_copy): Assert that the element is not a group.
6206 Propagate decision to groups.
6207 (generate_one_element_ref): Handle RANGE_EXPR.
6208 (mark_no_warning): Iterate over actual childs.
6209 (generate_copy_inout): Likewise.
6210 (generate_element_copy): Likewise.
6211 (generate_element_zero): Likewise.
6212 (generate_element_init_1): Likewise.
6213 (dump_sra_elt_name): Handle RANGE_EXPR.
6215 2006-07-03 Roger Sayle <roger@eyesopen.com>
6217 PR tree-optimization/26251
6218 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6219 (thread_block): When optimizing for size refuse to thread jumps
6220 that would require duplication of blocks other than redirection
6223 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6225 * configure.ac: Fix thinko in previous check-in.
6226 * configure: Regenerate.
6228 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6231 * configure.ac (for lang...): Simplify nesting of conditionals.
6232 Test subdir_requires for non-enabled languages. Move processing
6233 of lang_opt_files and lang_tree_fiels below that test.
6234 * configure: Regenerate.
6235 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6237 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6239 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6241 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6243 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6246 2006-06-29 Jason Merrill <jason@redhat.com>
6253 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6254 * c-common.c (c_determine_visibility): Handle it here.
6255 * c-decl.c (finish_decl): Call c_determine_visibility for
6257 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6259 * varasm.c (default_assemble_visibility): Likewise.
6260 * c-common.c (handle_visibility_attribute): Complain about trying
6261 to give visibility to an already defined class, or trying to change
6262 declared visibility. Always attach the attribute.
6267 * attribs.c (decl_attributes): Ignore type-in-place attributes
6268 once the type has been defined.
6270 2006-06-29 Roger Sayle <roger@eyesopen.com>
6273 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6274 to indicate the cpplib has issued an error message for us.
6276 2006-06-29 Asher Langton <langton2@llnl.gov>
6279 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6280 insert a label at the end of an function under Mach-O.
6282 2006-06-29 Eric Christopher <echristo@apple.com>
6283 Evan Cheng <evan.cheng@apple.com>
6285 * predicates.md (vector_all_ones_operand): New.
6286 (nonimmediate_or_sse_const_operand): Ditto.
6287 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6288 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6289 (standard_sse_mode_p): Ditto.
6290 (standard_sse_constant_p): Add case for -1 vector.
6291 (ix86_expand_vector_move): Try to use.
6292 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6293 Call standard_sse_constant_opcode.
6294 (*movv4sf_internal): Ditto.
6295 (*movv2df_internal): Ditto.
6297 2006-06-29 Roger Sayle <roger@eyesopen.com>
6299 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6300 of XEXP to extract the operands of a MATCH_CODE rtx.
6302 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6304 * tree.c (tree_size): Do not waste tail padding in
6305 struct tree_string and make the size be the same as
6306 build_string will generate.
6308 2006-06-28 Jason Merrill <jason@redhat.com>
6311 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6312 may_aliases already in the tag's annotations to the bitmap.
6314 2006-06-28 Roger Sayle <roger@eyesopen.com>
6316 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6318 2006-06-28 Roger Sayle <roger@eyesopen.com>
6320 * genpreds.c (generate_switch_p): New function.
6321 (add_mode_tests): Push the new mode test down inside an AND expr
6322 if this allows the switch-suitable MATCH_CODE to be near the root.
6323 (write_match_code_switch): New function to write a MATCH_CODE as
6325 (write_predicate_stmts): New function to write a predicate RTX
6326 expression as a sequence of statements.
6327 (write_one_predicate_function): Use write_predicate_stmts.
6328 (write_tm_constrs_h): Likewise.
6330 2006-06-26 Fred Fish <fnf@specifix.com>
6332 * config/mips/t-sb1: New file.
6333 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6336 2006-06-26 DJ Delorie <dj@redhat.com>
6338 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6340 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6341 Jayant Sonar <jayants@kpitcummins.com>
6342 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6344 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6345 (subsi3, subsi3_1, subsi3_2): New.
6346 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6347 * config/m32c/mov.md (SI mov peephole): New.
6348 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6349 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6351 2006-06-26 Olivier Hainque <hainque@adacore.com>
6353 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6354 a CALL_EXPR target function declaration.
6356 2006-06-26 Richard Guenther <rguenther@suse.de>
6358 * tree.c (build_string): Do not waste tail padding in
6361 2006-06-26 Richard Guenther <rguenther@suse.de>
6363 * ggc-page.c (init_ggc): Add missing element to size_lookup
6367 2006-06-23 Richard Guenther <rguenther@suse.de>
6369 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6370 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6371 alignment requests instead. Add verification code.
6372 Add struct tree_function_decl and struct tree_binfo size to
6373 extra_order_size_table. Add missing element to size_lookup
6376 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6379 * fold-const.c (const_binop): Be prepared for self returning zero.
6380 Simplify code handling complex values.
6382 2006-06-24 Olivier Hainque <hainque@adacore.com>
6384 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6385 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6388 2006-06-24 Olivier Hainque <hainque@adacore.com>
6390 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6391 ARRAY_REF, so have the callback called for the low bound expression.
6393 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6395 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6396 * c-typeck.c (c_common_type): Disallow operations on decimal float
6397 types and other float types.
6398 * convert.c (convert_to_real): Don't ignore conversions involving
6399 decimal float types.
6401 2006-06-23 Olivier Hainque <hainque@adacore.com>
6403 * tree.c (max_int_size_in_bytes): New function, inspired from
6404 code in function.c:assign_temp.
6405 * tree.h (max_int_size_in_bytes): Declare.
6406 * function.c (assign_temp): Use it.
6407 * gimplify.c (create_tmp_var): Relax the assertions on the type
6408 properties, not mandating constant size any more.
6409 (force_constant_size): New static function.
6410 (gimple_add_tmp_var): Use it, forcing variable size to a
6411 constant upper bound if it is not constant on entry.
6413 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6416 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6417 for initialization and setting of one_only flag to ...
6418 (i386_pe_encode_section_info): ...here.
6419 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6420 Recheck that the symbol has not been defined.
6422 2006-06-23 Richard Guenther <rguenther@suse.de>
6424 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6425 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6426 alignment requests instead. Add verification code.
6427 Add struct tree_function_decl and struct tree_binfo size to
6428 extra_order_size_table. Add missing element to size_lookup
6431 2006-06-22 Roger Sayle <roger@eyesopen.com>
6432 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6435 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6436 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6438 2006-06-23 Ben Elliston <bje@au.ibm.com>
6440 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6441 negate dn -- manipulate it directly.
6443 2006-06-22 Roger Sayle <roger@eyesopen.com>
6444 Steven Bosscher <stevenb.gcc@gmail.com>
6447 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6448 generated by gen_move_insn to add REG_LABEL notes if necessary.
6450 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6452 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6453 (leaf_entry): Remove use of MIN_ESA.
6455 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6457 PR rtl-optimization/28121
6458 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6461 2006-06-21 DJ Delorie <dj@redhat.com>
6463 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6465 (mulhisi3_r): Likewise.
6467 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6470 * coverage.c (coverage_counter_alloc): Leave the index type
6472 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6475 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6477 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6478 section from the "Options for Code Generation Conventions".
6480 2006-06-21 Richard Henderson <rth@redhat.com>
6484 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6486 (global_symbolic_operand): Allow weak symbols, even if local_p.
6488 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6490 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6491 (find_interesting_uses_address): Punt if above function returns true.
6493 2006-06-21 Richard Guenther <rguenther@suse.de>
6495 * configure: Regenerated.
6497 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6499 * config/mips/mips.c (function_arg): Where one part of a
6500 complex argument is in registers and the other part in the stack,
6501 return a REG not a PARALLEL.
6503 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6505 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6506 when cross-compiling. Do not substitute libstdcxx_incdir.
6507 * configure: Regenerated.
6509 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6511 * varasm.c (mergeable_string_section): Check for embedded NULs and
6512 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6513 rather than TREE_STRING_LENGTH bytes.
6515 2006-06-21 Richard Guenther <rguenther@suse.de>
6517 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6518 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6521 2006-06-21 Richrad Guenther <rguenther@suse.de>
6523 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6524 Limit iteration over the dominators.
6526 2006-06-20 Roger Sayle <roger@eyesopen.com>
6528 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6529 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6531 2006-06-20 Richard Guenther <rguenther@suse.de>
6532 Michael Matz <matz@suse.de>
6534 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6536 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6537 * et-forest.h (et_free_pools): Prototype new function.
6538 * et-forest.c (et_free_tree_force): Free parent occurrence.
6539 (et_free_pools): New function.
6540 * dominance.c (free_dominance_info): Free et-forest alloc
6543 2006-06-20 Roger Sayle <roger@eyesopen.com>
6545 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6546 integer modes, attempt to directly construct an integer constant.
6548 * fold-const.c (native_encode_vector): Determine the size of each
6549 element from the vector type instead of the first vector element.
6551 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6552 if all of its elements/components are constant.
6553 (build_constructor_from_list): Likewise.
6555 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6557 PR tree-optimization/27331
6558 * tree-data-ref.c (free_data_ref): New function.
6559 (create_data_ref): Fail if the data reference has unknown access
6561 (free_data_refs): Use free_data_ref.
6563 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6566 * tree-inline.c (setup_one_parameter): Strip useless
6567 type conversion before adding it to the IR.
6568 (declare_return_variable): Likewise.
6570 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6573 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6575 2006-06-19 Mike Stump <mrs@apple.com>
6577 * tree.c (variably_modified_type_p): VM arguments don't make the
6580 2006-06-19 Richard Guenther <rguenther@suse.de>
6582 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6583 type conversions after folding.
6585 2006-06-19 Richard Guenther <rguenther@suse.de>
6587 * ggc-page.c (extra_order_size_tab): Add entries with
6588 size of struct function and basic_block.
6589 (size_lookup): Extend to cover sizes up to 511.
6590 (ggc_alloc_stat): Adjust user.
6591 (ggc_pch_count_object): Likewise.
6592 (ggc_pch_alloc_object): Likewise.
6593 (ggc_pch_write_object): Likewise.
6595 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6597 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6598 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6601 2006-06-19 Denis Chertykov <denisc@overta.ru>
6603 * config/avr/libgcc.S : Correct my wrong previous commit.
6605 2006-06-19 Roger Sayle <roger@eyesopen.com>
6608 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6609 have stripped a SUBREG from the shift count, so we may need to
6610 convert_to_mode back to the type's mode before calling make_tree.
6611 Use new_amount instead of amount to avoid expanding a tree twice.
6613 2006-06-19 Richard Guenther <rguenther@suse.de>
6616 * fold-const.c (operand_equal_p): Check if the argument types
6617 have the same precision before stripping NOPs.
6619 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6621 Fix PR tree-optimization/27341
6622 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6624 * tree-complex.c (pass_lower_complex): Update SMT usage.
6626 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6628 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6629 Add a new alternative to the constraint strings. Add move of
6630 operand 1 to 3 to the splitter definition.
6631 ("doloop_si_long"): Second contraint alternative removed.
6633 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6635 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6636 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6638 (AVR_HAVE_MOVW) Define.
6639 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6640 (ASM_SPEC): Add avr25.
6641 (LINK_SPEC): Add avr25.
6642 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6643 (base_arch_s): Add new member 'have_movw_lpmx'.
6644 (avr_arch_types): Init 'have_movw_lpmx'.
6645 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6646 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6647 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6648 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6649 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6651 (avr_file_start): Do not output '.arh' derective.
6652 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6653 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6654 * config/avr/avr.md (mcu_enhanced): Delete.
6655 (mcu_have_movw): Define.
6656 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6657 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6658 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6659 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6660 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6661 attiny861 and at86rf401 devices.
6663 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6665 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6668 2006-06-17 Karl Berry <karl@gnu.org>
6670 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6671 doc/gccint.texi, doc/install.texi (@dircategory): Use
6672 "Software development" instead of "Programming", following
6673 the Free Software Directory.
6675 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6677 * config/i386/i386.c (legitimate_tls_address)
6678 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6679 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6680 (*tls_dynamic_gnu2_combine_64): Likewise.
6682 2006-06-16 Richard Guenther <rguenther@suse.de>
6685 * fold-const.c (negate_expr_p): Do not introduce undefined
6686 overflow in negating INTEGER_CSTs.
6687 (fold_negate_expr): Rename from negate_expr. Revert last
6688 change for folding BIT_NOT_EXPR. Change semantics to
6689 return NULL_TREE for non-simplified negations. Do not
6690 strip type conversions and unify type handling.
6691 (negate_expr): New function, wrap around fold_negate_expr
6692 but ensure building a tree always. Strip type conversions
6693 here, fold to result type.
6694 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6696 2006-06-16 Roger Sayle <roger@eyesopen.com>
6699 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6700 that (would) return their results in stack registers.
6702 2006-06-16 Michael Matz <matz@suse.de>
6703 Richard Guenther <rguenther@suse.de>
6705 * fold-const.c (fold_truthop): Only return new tree node if
6706 we canonicalized something.
6708 2006-06-16 Richard Guenther <rguenther@suse.de>
6710 * function.h (enum function_frequency): Move declaration
6711 out of struct function.
6712 (struct function): Move bool fields and the enum to the bitfield
6713 section. Reorder elements to avoid padding. Remove unused
6714 fields left over from the RTL inliner removal.
6715 * function.c (free_after_compilation): Do not zero removed fields.
6716 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6717 (ipa-type-escape.o): Likewise.
6719 2006-06-16 Richard Guenther <rguenther@suse.de>
6721 * cgraph.h (struct cgraph_local_info): Turn bool elements
6723 (struct cgraph_node): Likewise.
6724 (struct cgraph_varpool_node): Likewise.
6726 2006-06-15 Richard Guenther <rguenther@suse.de>
6728 * fold-const.c (fold_truth_not_expr): Rename from
6729 invert_truthvalue. Give it fold_* semantics to avoid
6731 (invert_truthvalue): New function. Wrapper around
6732 fold_truth_not_expr.
6733 (optimize_minmax_comparison): Avoid creating garbage.
6734 (fold_unary): Use fold_truth_not_expr for folding
6736 (fold_ternary): Replace uses of invert_truthvalue with
6737 fold_truth_not_expr where applicable.
6738 * tree.h (fold_truth_not_expr): Prototype.
6740 2006-06-16 Richard Guenther <rguenther@suse.de>
6742 PR tree-optimization/27781
6743 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6744 * ipa-pure-const.c (target.h): Include.
6745 (analyze_function): Do not analyze functions that do not
6748 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6751 * tree-dfa.c (referenced_vars_dup_list): Remove.
6752 (find_referenced_vars): Remove assert.
6753 (referenced_var_check_and_insert): Replace dup list with assert.
6754 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6755 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6757 2006-06-15 Richard Guenther <rguenther@suse.de>
6759 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6760 extra unused identifiers if not dumping.
6761 (create_variable_info_for): Likewise.
6763 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6765 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6766 (derive_constant_upper_bound): Derive more precise upper bound in
6767 common cases. Return type changed to double_int.
6768 (record_estimate): Reflect the changed return type of
6769 derive_constant_upper_bound.
6770 * double-int.c (double_int_zext, double_int_sext): Fix.
6772 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6774 * configure.ac (CFLAGS): Get them from the toplevel or from the
6775 configure invocation.
6776 * configure: Regenerate.
6777 * Makefile.in (CFLAGS): Substitute value provided by configure.
6779 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6782 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6783 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6784 rather than calling add_stmt on it.
6785 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6787 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6790 * reload1.c (reload): Remove registers returned by update_eliminables
6791 from used_spill_regs.
6793 2006-06-13 DJ Delorie <dj@redhat.com>
6795 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6797 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6799 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6800 html__strip_dir, html__mkdir_p. Enhance install-html target.
6801 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6802 * configure: Regenerate.
6804 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6806 * fold-const.c (fold_cond_expr_with_comparison): Check for
6807 Objective-C++ as language in deciding COND_EXPR transformation.
6809 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6812 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6813 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6814 * config/sh/lib1funcs.h (SL, SL1): Define.
6815 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6816 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6817 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6818 (OBJS_Os_4_200): New variable.
6819 ($(T)libgcc-Os-4-200.a): Use it.
6820 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6821 when dividing 1 and/or by 0.
6823 2006-06-13 Roger Sayle <roger@eyesopen.com>
6825 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6826 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6827 * configure: Regenerate.
6829 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6831 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6832 for real instruction.
6834 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6837 * haifa-sched.c (check_cfg): Handle special case.
6839 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6842 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6843 Add debug_info parameter. Chain the vars to the BLOCK instead
6844 of the BIND_EXPR if debug info are requested for them.
6845 (pop_gimplify_context): Adjust for above change.
6846 (gimple_add_tmp_var): Likewise.
6847 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6849 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6850 (convert_local_reference): Likewise.
6851 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6852 (finalize_nesting_tree_1): Request that debug info be emitted
6853 for debug_var_chain.
6855 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6857 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6858 for PR target/27863.
6860 2006-06-13 Richard Guenther <rguenther@suse.de>
6863 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6865 2006-06-13 Richard Guenther <rguenther@suse.de>
6867 PR tree-optimization/27830
6868 * tree-inline.c (copy_body_r): For copying the operand
6869 of an ADDR_EXPR make sure to fold &* afterwards.
6871 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6873 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6874 lvalues in the fb_none case with side-effects.
6876 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6878 * tree-flow.h: Remove the prototype for
6879 compute_phi_arg_on_exit.
6880 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6881 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6884 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6886 * builtins.c (expand_builtin_return_addr): Only use
6887 frame_pointer_rtx when count == 0 and we are expanding
6888 __builtin_return_address.
6890 2006-06-12 Fred Fish <fnf@specifix.com>
6892 * config/mips/mips.c (mips_file_start): Create special section
6893 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6895 2006-06-11 Eric Christopher <echristo@apple.com>
6898 * stor-layout.c (place_field): Remove check for
6899 remaining_in_alignment when aligning at the end of a run.
6901 2006-06-11 Eric Christopher <echristo@apple.com>
6904 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6907 2006-06-11 Roger Sayle <roger@eyesopen.com>
6910 Revert incorrect fix for PR target/27158
6911 2006-05-08 Roger Sayle <roger@eyesopen.com>
6912 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6913 of a reg_equiv_constant if the result is a legitimate constant.
6915 2006-06-11 Roger Sayle <roger@eyesopen.com>
6918 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6919 extract a CONST_VECTOR element and interpret it as an integer.
6920 (vspltis_constant): Use const_vector_elt_as_int instead of the
6921 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6922 * config/rs6000/predicates.md (easy_vector_const): Consider
6923 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6925 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6928 * stor-layout.c (update_alignment_for_field): Don't add extra
6929 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6932 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6934 * config/mips/t-rtems: Add EL/EB multilib variants.
6936 2006-06-09 Mike Stump <mrs@apple.com>
6938 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6940 2006-06-09 David Daney <ddaney@avtrex.com>
6942 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6944 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6946 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6948 2006-06-09 Richard Guenther <rguenther@suse.de>
6950 PR tree-optimization/26998
6951 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6952 of signed types, only TYPE_MIN_VALUE is special, but for both,
6953 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6954 in this case, as is -fwrapv.
6956 2006-06-08 Mike Stump <mrs@apple.com>
6959 * config/darwin.c (darwin_asm_output_anchor): Disable
6960 -fsection-anchors on darwin for now.
6961 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6962 * rs6000/rs6000.c (optimization_options): Likewise.
6964 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6967 * config/i386/i386.c (classify_argument): Skip fields with invalid
6970 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6972 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6973 (cse_insn): Likewise for the stack_pointer_rtx.
6975 2006-06-08 Roger Sayle <roger@eyesopen.com>
6977 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6978 conditions from floating point comparisons.
6980 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6983 * expmed.c (struct alg_hash_entry): Fix type of field T
6984 to match synth_mult argument.
6985 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6987 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6990 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6993 2006-06-08 Richard Guenther <rguenther@suse.de>
6996 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6997 only, if overflow is defined and not trapping.
6998 (negate_expr): Likewise.
7000 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7002 PR tree-optimization/27872
7003 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7004 flag on the new exit edge of the unrolled loop.
7006 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7008 PR rtl-optimization/26449
7009 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7011 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7014 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7015 referenced_variables with matching DECL_UID's.
7016 (find_referenced_vars): Make sure duplicate list is empty to start.
7017 (referenced_var_p): Remove.
7018 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7019 Check if var is in the list, and add if needed. Update the duplicate
7020 list if a different var is in the list with the same DECL_UID.
7021 (add_referenced_var): Call routine to check and insert.
7022 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7023 * tree-flow.h (referenced_vars_dup_list): External declaration.
7025 2006-06-07 Fred Fish <fnf@specifix.com>
7027 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7030 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7033 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7034 the imaginary and real parts of a clobbered register.
7035 Emit insn to set the imaginary part.
7037 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7039 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7040 in lieu of unwind-dw2-fde.c.
7042 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7044 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7046 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7049 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7050 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7051 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7052 V4SImode temporaries and operations instead.
7054 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7056 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7059 2006-06-06 Mike Stump <mrs@apple.com>
7061 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7062 installing during build.
7064 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7066 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7068 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7069 * config/ia64/ia64.c (params.h): New header.
7070 (ia64_optimization_options): New function to adjust parameters.
7071 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7072 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7073 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7075 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7077 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7079 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7082 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7084 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7085 Victor Kaplansky <victork@il.ibm.com>
7087 PR tree-optimization/26360
7088 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7091 2006-06-04 Roger Sayle <roger@eyesopen.com>
7092 Andrew Pinski <pinskia@physics.uc.edu>
7095 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7096 for LABEL_DECL before calling DECL_WEAK.
7099 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7100 LABEL_DECL and PARM_DECL.
7102 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7106 * c-decl.c (grokdeclarator): Disallow variably modified types at
7107 file scope. Avoid marking shared array type of constant size as
7110 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7113 * c-common.c (fold_offsetof_1): Handle static members.
7115 2006-06-04 Eric Christopher <echristo@apple.com>
7117 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7118 (debug_rli): Output value for remaining_in_alignment.
7119 (update_alignment_for_field): Unconditionalize
7120 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7121 extra alignment code.
7122 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7123 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7124 * tree.h (record_layout_info_s): Remove prev_packed.
7125 * doc/extend.texi (ms_struct): Add documentation of format.
7127 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7129 * tree.h: Declare folding_initializer.
7130 * builtins.c (fold_builtin_constant_p): Give definite answer
7131 if folding inside an initializer.
7132 * fold-const.c: Define folding_initializer.
7133 (START_FOLD_INIT): Save and then set folding_initializer.
7134 (END_FOLD_INIT): Restore folding_initializer.
7136 2006-06-04 Richard Guenther <rguenther@suse.de>
7138 PR tree-optimization/27039
7139 * fold-const.c (fold_comparison): Handle pointer comparison
7140 again for all comparison codes. Compare offsets in signed
7142 (fold_binary): Move code from here.
7144 2006-06-03 Roger Sayle <roger@eyesopen.com>
7147 * config/i386/i386.c (construct_container): Split static issued_error
7148 flag into issued_sse_arg_error, issued_sse_ret_error and
7149 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7150 requires the use of x87 registers and the user explicitly
7151 specified the -mno-80387 command line option.
7153 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7155 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7156 HAVE_DECL_SIGALTSTACK.
7158 (segv_handler): Use MC_FLD.
7159 * configure.ac: Check for a sigaltstack declaration.
7160 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7161 * configure: Regenerate.
7162 * config.in: Regenerate.
7164 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7167 * Makefile.in (stmp-fixinc): Fix typo.
7169 2006-06-02 Roger Sayle <roger@eyesopen.com>
7171 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7172 are type correct. Clean-up.
7173 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7174 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7176 2006-06-01 DJ Delorie <dj@redhat.com>
7178 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7179 shift, as we've disabled the "switch" insn that needs it.
7181 2006-06-01 Per Bothner <bothner@bothner.com>
7183 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7184 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7185 * c-ppoutput.c (cb_define): Don't increment line 0.
7187 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7189 * doc/invoke.texi: Add cpu_type power6.
7190 * config.gcc: Add cpu_type power6.
7191 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7192 to power5+ with Altivec.
7193 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7194 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7196 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7198 * config/avr/avr.h (SET_ASM_OP): Define.
7200 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7202 * config/bfin/bfin.c: Fix comment typos.
7204 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7207 * doc/install.texi: Document --enable-bootstrap and
7208 --disable-bootstrap.
7210 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7212 * doc/install.texi: Document that InfoZIP can replace jar.
7214 2006-05-31 Roger Sayle <roger@eyesopen.com>
7216 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7217 isn't available, directly generate the simpler x87 patterns without
7218 the (use (const_int 0)).
7219 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7220 implementation isn't available.
7221 (*negdf2_1): Likewise.
7222 (*negxf2_1): XF mode negation is always done using the x87.
7223 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7225 2006-05-31 Roger Sayle <roger@eyesopen.com>
7227 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7228 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7230 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7232 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7234 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7235 * config/bfin/bfin.c (basic-block.h): Include.
7236 (struct machine_function): New.
7237 (bfin_init_machine_status): New.
7238 (override_options): Initialize init_machine_status.
7239 (bfin_hardware_loop): New.
7240 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7241 (DEF_VEC_P (loop_info)): New.
7242 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7243 (struct loop_info): New.
7244 (loop_info): New typedef.
7245 (struct loop_work): New.
7246 (loop_work): New typedef.
7247 (DEF_VEC_O (loop_work)): New.
7248 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7249 (bfin_dump_loops): New.
7250 (bfin_bb_in_loop): New.
7251 (bfin_scan_loop): New.
7252 (bfin_optimize_loop): New.
7253 (bfin_reorg_loops): New.
7254 (bfin_reorg): Use bfin_reorg_loops.
7255 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7257 (I_REGNO_P): Simplify.
7258 (DP_REGNO_P, DPREG_P): New macros.
7259 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7260 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7261 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7262 Add LT_REGS, LC_REGS, LB_REGS.
7263 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7265 (REGNO_REG_CLASS): Deal with loop registers.
7266 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7268 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7269 New constants for loop registers.
7270 (UNSPEC_LSETUP_END): New.
7271 (seq_insns): New define_attr. Set it for appropriate insns.
7272 (movsi_insn): Add alternatives for move from/to
7273 loop count registers.
7274 (doloop_end): New define_expand.
7275 (loop_end): New define_insn.
7276 (define_split for bad doloop_end): New.
7277 (lsetup_with_autoinit): New define_insn.
7278 (lsetup_without_autoinit): New define_insn.
7279 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7280 * config/bfin/predicates.md (lc_register_operand): New.
7281 (lt_register_operand): New.
7282 (lb_register_operand): New.
7283 (nondp_register_operand): New.
7284 (nondp_reg_or_memory_operand): New.
7285 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7287 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7289 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7290 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7292 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7294 * Makefile.in (CATALOGS): Add po/ prefix.
7295 * configure: Regenerated.
7297 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7300 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7301 a shift operand before calling shift_op. Avoid redundant call of
7304 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7305 DJ Delorie <dj@redhat.com>
7307 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7308 we're inserting is a singlt-bit constant.
7310 2006-05-30 Roger Sayle <roger@eyesopen.com>
7312 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7313 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7315 2006-05-30 Roger Sayle <roger@eyesopen.com>
7317 PR tree-optimization/23452
7318 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7319 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7320 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7321 complex values and with -ffast-math for FP complex values.
7323 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7325 * c-common.h: Remove the prototype for yyparse.
7326 * rtl.h: Remove the prototype for init_loop.
7328 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7330 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7333 2006-05-30 Roger Sayle <roger@eyesopen.com>
7335 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7337 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7338 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7340 2006-05-30 Dirk Mueller <dmueller@suse.de>
7343 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7344 for CONSTANT_CLASS_P expresisons.
7346 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7349 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7351 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7353 PR tree-optimization/27779
7354 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7355 initial_condition instead of CHREC_LEFT.
7357 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7359 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7360 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7361 Make prototypes ISO C90.
7363 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7364 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7366 * see.c (see_analyze_one_def): Correct check.
7367 (see_get_extension_data): Check if extension is parallel.
7368 (see_get_extension_reg): Likewise.
7370 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7373 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7374 into register for (code == GTU).
7376 2006-05-29 Roger Sayle <roger@eyesopen.com>
7378 PR tree-optimization/24964
7379 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7380 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7381 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7382 abs(x)*abs(x) as x*x for scalar floating point modes.
7384 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7387 * lambda-code.c (perfect_nestify): Don't copy statements
7388 in the inner loop: move them to the inner loop header.
7390 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7393 * c-tree.texi: Document OpenMP directives and clauses.
7395 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7397 * varasm.c (globalize_decl): Fix indentation.
7399 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7402 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7403 pass_fre, pass_store_ccp, pass_copy_prop,
7404 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7405 pass_return_slot, pass_object_size, pass_lim,
7406 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7407 pass_loop_prefetch and pass_stdarg.
7409 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7411 * config/bfin/bfin.opt (mfdpic): New option.
7412 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7413 (EXTRA_MULTILIB_PARTS): Likewise.
7414 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7415 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7417 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7418 (CRT_CALL_STATIC_FUNCTION): New.
7419 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7421 (CRT_CALL_STATIC_FUNCTION): New.
7422 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7424 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7425 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7426 (initialize_trampoline): Changed to handle FD-PIC code generation.
7427 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7428 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7429 (override_options): Disallow -mid-shared-library -mfdpic combination.
7430 Can't do unaligned ops if FD-PIC.
7431 Turn off flag_pic if trying to generate non-id-shared-library
7432 non-fdpic code, since it's not supported.
7433 (bfin_assemble_integer): New function.
7434 (TARGET_ASM_INTEGER): Define.
7435 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7437 * config/bfin/crtn.s: Restore them.
7438 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7440 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7441 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7442 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7443 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7444 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7446 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7447 FDPIC_REGS and FDPIC_FPTR_REGS.
7448 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7449 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7450 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7451 (load_funcdescsi): New pattern.
7452 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7453 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7454 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7456 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7458 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7461 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7463 * tree-flow.h: Remove the prototype for add_type_alias.
7464 * tree-ssa-alias.c (add_type_alias): Remove.
7466 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7468 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7469 config/fr30/fr30.md, config/i386/i386-interix.h,
7470 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7471 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7472 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7473 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7474 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7475 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7476 Follow spelling conventions.
7477 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7478 Follow spelling conventions.
7480 2006-05-27 Richard Guenther <rguenther@suse.de>
7483 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7484 to produce a constant of value 1 of generic type.
7486 2006-05-27 Dirk Mueller <dmueller@suse.de>
7488 * cgraphunit.c (decide_is_function_needed): Fix wrong
7491 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7493 PR rtl-optimization/27661
7494 * reload.c (find_reloads): When reloading a VOIDmode constant
7495 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7496 use Pmode as mode of the reload register.
7498 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7500 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7501 is enabled at -O and above.
7503 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7506 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7509 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7512 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7513 for anonymous variables explicitly declared by front ends.
7515 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7517 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7518 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7519 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7520 ref-all pointers, run a finalization pass for them.
7521 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7522 (finalize_ref_all_pointers): New function.
7523 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7524 regular pointer type to a ref-all pointer type.
7525 (get_tmt_for): Return the special memory tag for ref-all pointers.
7527 2006-05-25 Richard Guenther <rguenther@suse.de>
7530 * fold-const.c (fold_binary): Do not look at the stripped
7531 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7533 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7535 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7536 for LT and GT if the computed range is effectively empty.
7538 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7541 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7542 mips_quad_format formats instead of ieee_single_format,
7543 ieee_double_format and ieee_quad_format formats, respectively.
7545 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7547 PR tree-optimization/27639
7548 PR tree-optimization/26719
7549 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7550 call to scev_probably_wraps_p.
7551 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7552 used_in_pointer_arithmetic_p, convert_step): Removed.
7553 (nowrap_type_p): New function.
7554 (scev_probably_wraps_p): Rewritten.
7555 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7556 chrec_convert if chrec_convert_aggressive might have been used.
7557 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7558 scev_direction): New functions.
7559 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7560 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7561 instead of convert_step.
7562 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7563 (convert_step): Declaration removed.
7564 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7566 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7568 * df-core.c: Added to header comments.
7569 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7570 df_ur_bb_info, df_urec_bb_info): Added comments.
7571 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7572 urec, ri problems): Fixed header comments.
7573 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7574 code from df_rd_transfer_function.
7576 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7578 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7579 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7580 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7582 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7584 * expr.c (undefined_operand_subword_p): New.
7585 (emit_move_multi_word): Do not generate move from undefined bits
7586 of a paradoxical subreg.
7588 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7590 PR rtl-optimization/27736
7591 * combine.c (replaced_rhs_value): New variable.
7592 (combine_instructions): Set it.
7593 (distribute_notes): When distributing a note in replaced_rhs_insn,
7594 check whether the value was used in replaced_rhs_value.
7596 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7599 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7600 add_referenced_var instead of add_referenced_tmp_var.
7601 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7602 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7604 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7605 tree_optimize_tail_calls_1): Use add_referenced_var.
7606 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7607 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7608 Use add_referenced_var.
7609 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7610 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7611 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7612 Use add_referenced_var.
7613 * tree-dfa.c (struct walk_state): Remove.
7614 (find_referenced_vars): Remove walk state and vars_found hash table.
7615 (make_rename_temp): Use add_referenced_var.
7616 (find_vars_r): Pass less parameters to add_referenced_var.
7617 (referenced_var_p): New. Is var in referenced_var hash table.
7618 (referenced_var_insert): Assert var isn't already in hash table.
7619 (add_referenced_var): Don't need walk_state parameter. Add var if it
7620 isn't already in the hash table.
7621 (add_referenced_tmp_var): Remove.
7622 (find_new_referenced_vars_1): Use add_referenced_var.
7623 * tree-ssa-pre.c (create_expression_by_pieces,
7624 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7625 Use add_referenced_var.
7626 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7627 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7628 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7630 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7631 vect_create_data_ref_ptr, vect_create_destination_var,
7632 vect_init_vector, vect_build_loop_niters,
7633 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7634 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7635 Use add_referenced_var.
7636 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7637 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7638 (add_referenced_var): Add prototype.
7639 * tree-ssa-structalias.c (get_constraint_for,
7640 intra_create_variable_infos): Use add_referenced_var.
7642 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7644 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7645 big-endian paradoxical subregs.
7646 * var-tracking.c (struct micro_operation_def): Document that,
7647 for modify micro operations, insn is the subsequent instruction.
7648 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7649 (var_reg_set, var_mem_set): ... new functions.
7650 (add_stores): Record subsequent insn.
7651 (compute_bb_dataflow): Use new functions for MO_USE.
7652 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7653 notes after the insn, and modify notes before the insn known
7654 to be the subsequent one.
7655 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7657 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7660 * config/i386/i386.c (ix86_expand_builtin): Use
7661 gen_sse3_monitor64 for TARGET_64BIT.
7663 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7665 PR rtl-optimization/26375
7666 PR rtl-optimization/26855
7667 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7669 (df_ru_bb_local_compute): Reversed statements and removed bogus
7670 comment explaining why they should be in wrong order.
7671 (df_ru_dump, df_rd_dump): Enhanced debug info.
7672 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7674 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7675 reaching uses and fixed space problem.
7677 2006-05-23 Jan Hubicka <jh@suse.cz>
7679 * cgraphunit.c (decide_is_function_needed): Also nested functions
7680 and functions declared inline can be optimized out at -O0.
7682 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7684 * doc/install.texi (Configuration): Remove reference to CrossGCC
7688 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7691 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7692 ix86_compare_emitted is non-NULL.
7694 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7697 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7700 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7702 PR rtl-optimization/25514
7703 * combine.c (replaced_rhs_insn): New variable.
7704 (combine_instructions): Set replaced_rhs_insn when trying to replace
7705 a SET_SRC with a REG_EQUAL note.
7706 (distribute_notes): Use replaced_rhs_insn when determining the live
7707 range of a REG_DEAD register.
7709 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7710 Anatoly Sokolov <aesok@post.ru>
7712 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7713 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7714 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7715 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7716 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7717 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7718 at90usb647, at90usb1286 and at90usb1287 devices.
7719 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7720 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7722 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7724 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7726 2006-05-22 Richard Guenther <rguenther@suse.de>
7729 2006-01-31 Richard Guenther <rguenther@suse.de>
7730 Paolo Bonzini <bonzini@gnu.org>
7732 * doc/install.texi (--disable-libgcc-math): Document.
7734 2006-05-22 Richard Guenther <rguenther@suse.de>
7737 2006-01-31 Richard Guenther <rguenther@suse.de>
7739 * doc/invoke.texi (-msselibm): Document.
7740 * target.h (expand_library_builtin): New target hook.
7741 * builtins.c (expand_builtin): Use expand_library_builtin.
7742 (default_expand_library_builtin): New function.
7743 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7744 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7745 (link_gcc_math_spec): Declare.
7746 (static_specs): Add link_gcc_math_spec.
7747 * expr.h (default_expand_library_builtin): Declare.
7748 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7749 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7750 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7751 * config/i386/i386.opt (msselibm): New target option.
7752 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7753 (ix86_init_sse_abi_builtins): New function.
7754 (ix86_expand_library_builtin): Likewise.
7755 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7756 (override_options): Handle error conditions wrt -msselibm.
7757 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7758 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7759 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7762 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7765 * c-common.c (self_promoting_args_p): Skip erroneous args.
7768 * c-decl.c (finish_struct): Skip erroneous fields.
7770 2006-05-22 Nick Clifton <nickc@redhat.com>
7772 * config/cris/cris.opt (march): Remove VarExists attribute.
7773 (max-stackframe=): Likewise.
7775 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7777 * doc/rtl.texi: Fix a typo.
7778 * see.c: Fix comment typos.
7780 * tree-ssa-structalias.h (alias_info): Remove num_references.
7782 2006-05-21 Mike Stump <mrs@apple.com>
7784 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7786 (darwin_pragma_options): Use BAD instead.
7787 (darwin_pragma_unused): Likewise.
7788 (darwin_pragma_ms_struct): Likewise.
7790 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7792 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7794 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7796 PR rtl-optimization/27671
7797 * simplify-rtx.c (simplify_relational_operation_1): Fix
7798 simplifications of (eq/ne (xor x y) y) and
7799 (eq/ne (xor x y) x).
7801 PR tree-optimization/26622.
7802 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7805 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7807 * tree-cfg.c: Prune whitespace.
7808 (debug_tree_cfg): Point to correct header containing the
7811 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7814 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7816 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7819 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7820 or sorry count is non zero.
7822 2006-05-20 Andreas Schwab <schwab@suse.de>
7824 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7826 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7827 Kenneth Zadeck <zadeck@naturalbridge.com>
7829 PR rtl-optimization/26855
7831 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7833 (df_scan_alloc): Added code to properly handle multiword hard
7834 registers and add all_blocks parameter.
7835 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7836 code to properly handle multiword hard registers.
7837 (df_rescan_blocks): Added code to remove deleted blocks from
7839 (df_ref_create_structure, df_ref_record): Added code to properly
7841 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7842 and set DF_REF_PARTIAL.
7843 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7844 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7845 (df_scan_add_problem): Added flags parameter.
7846 (df_ref_create_structure): Changed switching structure.
7847 (df_bb_refs_record): Fixed case where duplicate artificial refs
7848 were created. Changed location of flags.
7849 (df_record_entry_block_defs): Added code to make stack pointer
7850 live in entry block. Refined cases where frame pointer is needed.
7851 Changed location of flags.
7852 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7853 (df_set_state): Removed function.
7854 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7855 df_insn_create_insn_record, df_insn_refs_delete,
7856 df_ref_create_structure): Formatting changes.
7857 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7858 df_delete_basic_block): New function.
7859 (df_init): Changed location of flags.
7860 (df_add_problem): Added flags parameter and the way flags are
7862 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7863 debug_df_chain): Improved debugging output.
7864 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7865 (df_refs_chain_dump): Removed df parameter.
7866 (df_iterative_dataflow): Added consistency check.
7867 (df_prune_to_subcfg): Made public.
7868 (df_analyze_problem): Added blocks_to_init parameter and made
7870 (df_ref_record, df_bb_refs_record, df_mark_reg,
7871 df_record_exit_block_uses): Whitespace changes.
7872 (df_dump): Whitespace changes.
7873 * df.h: Some reordering to remove forward references.
7874 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7875 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7876 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7877 (dataflow.flags): New field.
7878 (df.flag): Deleted field.
7879 (df_alloc_function): Added additional bitmap parameter.
7880 (df_dependent_problem_function): New type.
7881 (df_problem.changeable_flags): New field.
7882 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7883 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7884 (df_mw_hardreg): New struct.
7885 (DF_INSN_UID_MWS): New macro.
7886 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7888 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7889 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7890 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7891 (df_set_state): Removed function.
7892 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7893 * df-problems.c (df_chain_dump): Removed df parameter.
7894 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7895 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7897 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7898 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7899 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7900 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7901 DF_REF_MUST_CLOBBER cases.
7902 (df_ru_bb_local_compute_process_def,
7903 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7904 df_lr_bb_local_compute, df_ur_bb_local_compute,
7905 df_chain_create_bb): Made subreg aware.
7906 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7907 df_lr_bb_local_compute, df_lr_bb_local_compute,
7908 df_chain_create_bb): Cleanup to use proper macros.
7909 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7910 code to fixup bitvectors.
7911 (df_ri_alloc): Cleared lifetime.
7912 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7913 df_create_unused_note): New function.
7914 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7915 REG_DEAD and REG_UNUSED notes as well as register information.
7916 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7917 df_chains_dump): Fixed crash if problem was never run.
7918 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7919 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7920 df_ri_add_problem): Processes flags in uniform manner.
7921 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7922 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7923 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7924 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7925 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7926 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7927 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7928 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7929 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7930 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7931 * see.c (see_initialize_data): Ditto.
7932 * final.c (rest_of_clean_state) Added regstack_completed.
7933 * rtl.h (regstack_completed): Ditto.
7934 * reg-stack.c (regstack_completed): Ditto.
7936 2006-05-19 Mike Stump <mrs@apple.com>
7938 * c-tree.h (default_conversion): Remove.
7939 * c-common.h (default_conversion): Add.
7941 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7943 * tree-vrp.c (valid_value_p): New function.
7944 (adjust_range_with_scev): Fail if the value of bound is not
7947 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7949 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7950 (mips_fallback_frame_state): Use syscall numbers to determine
7951 the appropriate li instruction for the current ABI. Only use
7952 __NR_sigreturn for o32.
7954 2006-05-19 Nicolas Setton <setton@adacore.com>
7956 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7957 * langhooks.c (lhd_dwarf_name): New function.
7958 * langhooks-def.h (lhd_dwarf_name): Declare.
7959 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7960 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7961 * ada/misc.c (gnat_dwarf_name): New function.
7962 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7964 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7966 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7968 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7969 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7970 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7971 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7972 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7973 determine the size of Wtype, etc.
7974 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7975 (swfloatfuncs): New variable.
7976 (dwfloatfuncs): Likewise.
7977 (lib2funcs): Remove floating-point conversion functions from
7978 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7979 the set of conversion routines needed. Allow entries to specify
7980 an object name, filename and word size. Update users accordingly.
7981 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7982 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7986 2006-02-08 Roger Sayle <roger@eyesopen.com>
7989 * config/fixtfdi.c: New libgcc source file.
7990 * config/fixunstfdi.c: New source file.
7991 * config/floatditf.c: New source file.
7992 * config/floatunditf.c: New souce file.
7993 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7994 files above instead of config/mips/_tilib.c.
7995 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7997 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7999 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8000 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8002 2006-05-18 Mike Stump <mrs@apple.com>
8004 Fix up vla, vm and [*] sematics.
8010 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8011 (c_vla_unspec_p): Add.
8012 (c_vla_type_p): Add.
8013 * c-decl.c (struct c_scope): Add had_vla_unspec.
8014 (build_array_declarator): Add support for [*].
8015 (grokdeclarator): Likewise.
8016 (grokparms): Likewise.
8017 (get_parm_info): Likewise.
8018 * c-objc-common.c (c_vla_unspec_p): Likewise.
8019 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8020 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8021 typeof when argument is a variably modified type not inside sizeof or alignof.
8022 (c_parser_direct_declarator_inner): Propagate errors.
8023 (c_parser_sizeof_expression): Add support for [*].
8024 (c_parser_parms_declarator): Initialize had_vla_unspec.
8025 (c_parser_parms_list_declarator): Likewise.
8026 * c-typeck.c (c_vla_type_p): Add.
8027 (composite_type): Add support for vla compositing.
8028 (comptypes_internal): Add support for vla compatibility.
8029 (c_expr_sizeof_expr): Evaluate vla arguments.
8030 * tree.c (variably_modified_type_p): Update comment for [*].
8032 2006-05-18 Michael Matz <matz@suse.de>
8035 * config.host: Make assignments to host_xmake_file cumulative.
8036 * config.host (*-darwin*): Test $host, not $target.
8038 2006-05-12 Stuart Hastings <stuart@apple.com>
8040 * config/i386/i386.opt (-mstackrealign): New flag.
8041 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8042 (ix86_handle_cconv_attribute): Emit error when
8043 force_align_arg_pointer attribute collides with too many regparms.
8044 (ix86_function_regparm): Limit regparms when used with
8045 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8046 Support stack-realigning prologue in non-main functions. Emit
8047 warning for nested functions under -mstackrealign, emit error for
8048 nested functions with force_align_arg_pointer attribute.
8049 * doc/extend.texi (force_align_arg_pointer): Document it.
8050 * doc/invoke.texi (-mstackrealign): Document it.
8052 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8054 PR rtl-optimization/27477
8055 * combine.c (try_combine): Don't split a parallel consisting
8056 of two sets into two individual sets if both sets reference
8059 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8061 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8062 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8064 * doc/options.texi (VarExists): Updated.
8066 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8068 * unwind-dw2.c: Add declarations for uw_update_context and
8070 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8071 detected, advance frame state and context once to skip over stub.
8073 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8077 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8078 Call rewrite_into_loop_closed_ssa only when something changed.
8079 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8080 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8081 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8082 Test for perfect_nest_p here. Fix formating.
8083 (replace_uses_equiv_to_x_with_y): Fix formating.
8084 (stmt_uses_op): Removed.
8085 (can_convert_to_perfect_nest): Removed loopivs parameter.
8086 Complete the test by checking the scalar dependences.
8087 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8090 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8093 From Dan Kegel <dank@kegel.com>:
8094 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8096 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8098 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8099 if the element type is variably modified without recursing.
8101 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8104 * tree-loop-linear.c (try_interchange_loops): Test for
8105 no data dependences.
8107 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8109 PR tree-optimization/27548
8110 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8111 range of ssa names that appear on abnormal edges.
8112 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8113 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8115 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8118 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8120 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8123 * tree.h (OMP_PARALLEL_COMBINED): Define.
8124 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8125 (new_omp_context): Add is_combined_parallel argument.
8126 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8127 new_omp_context caller.
8128 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8129 Adjust gimplify_scan_omp_clauses callers.
8130 (omp_is_private): Issue errors if iteration variable is firstprivate
8131 or reduction in the current context.
8132 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8133 on combined parallel workshare constructs.
8135 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8137 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8138 (gcc-options.o): New rule.
8140 * optc-gen.awk: Protect variables for gcc-options.o with
8141 #ifdef GCC_DRIVER/#endif.
8143 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8145 Fix PR tree-optimization/27373
8146 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8147 (forward_propagate_addr_expr): Update call.
8149 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8151 * doc/options.texi: Move the Negative option.
8153 2006-05-16 Richard Guenther <rguenther@suse.de>
8155 PR tree-optimization/22303
8156 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8158 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8159 ccp_fold did not simplify the statement.
8161 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8164 * Makefile.in (GCC_OBJS): New.
8165 (OBJS-common): Add opts-common.o.
8166 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8167 (cpp$(exeext)): Likewise.
8168 (gcc.o): Also depend on opts.h.
8169 (opts-common.o): New.
8171 * common.opt (gcoff): Add Negative(gdwarf-2).
8172 (gdwarf-2): Add Negative(gstabs).
8173 (gstabs): Add Negative(gstabs+).
8174 (gstabs+): Add Negative(gvms).
8175 (gvms): Add Negative(gxcoff).
8176 (gxcoff): Add Negative(gxcoff+).
8177 (gxcoff+): Add Negative(gcoff).
8178 * config/i386/i386.opt (m32): Add Negative(m64).
8179 (m64): Add Negative(m32).
8181 * doc/options.texi: Document the Negative option.
8183 * gcc.c: Include "opts.h".
8184 (main): Call prune_options after expandargv.
8186 * optc-gen.awk: Generate common declarations for all flag
8187 variables in options.c. Output the neg_index field.
8189 * opts.c (find_opt): Moved to ...
8190 * opts-common.c: Here. New file.
8192 * opts.h (cl_option): Add a neg_index field.
8194 (prune_options): Likewise.
8196 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8199 * omp-low.c (expand_omp_parallel): Don't assert
8200 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8201 instead search for it.
8204 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8207 2006-05-16 Andreas Schwab <schwab@suse.de>
8209 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8212 2006-05-15 Roger Sayle <roger@eyesopen.com>
8215 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8216 integer constants other than zero are only legitimate on TARGET_64BIT.
8217 <CONST_VECTOR> Only zero vectors are legitimate.
8218 (ix86_cannot_force_const_mem): Integral and vector constants can
8219 always be put in the constant pool.
8221 2006-05-16 DJ Delorie <dj@redhat.com>
8223 * crtstuff.c (__dso_handle): Set section from
8224 TARGET_LBIGCC_SDATA_SECTION if defined.
8225 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8226 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8228 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8231 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8234 2006-05-16 Ben Elliston <bje@au.ibm.com>
8236 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8238 2006-05-15 Per Bothner <per@bothner.com>
8240 * tree.c: (last_annotated_node): Use source_locus typedef.
8241 This permits bootstrapping with --enable-mapped-location.
8243 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8245 PR tree-optimization/26830
8246 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8247 (info_for_ssa_name, current_info_for_ssa_name_age,
8248 blocks_to_update): New variables.
8249 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8250 (clear_ssa_name_info, initialize_flags_in_bb,
8251 mark_block_for_update): New functions.
8252 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8253 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8254 prepare_def_site_for): Use mark_block_for_update.
8255 (mark_def_interesting): Assert that the processed block is marked in
8256 blocks_to_update. Do not take blocks argument.
8257 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8259 (rewrite_update_init_block, rewrite_update_stmt): Only process
8260 blocks with statements to rewrite.
8261 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8262 (update_ssa): Initialize and free blocks_to_update. Do not
8263 clear flags on statements. Do not use blocks bitmap.
8264 * tree.h (SSA_NAME_AUX): Removed.
8265 (struct tree_ssa_name): Removed aux field.
8266 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8268 2006-05-15 Richard Guenther <rguenther@suse.de>
8270 PR tree-optimization/27603
8271 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8272 Do computations in original type.
8274 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8276 * see.c: Code style changes such as redundant paranthesis,
8277 redundant intialization of local variables etc.
8278 (see_main): Declared now as static.
8279 * doc/invoke.texi: Update that -fsee is not enabled by
8282 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8284 * omp-low.c (check_omp_nesting_restrictions): New function.
8285 (scan_omp_1): Call it.
8288 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8289 construct, return *VAR.
8291 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8293 PR rtl-optimization/27406
8294 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8297 2006-05-14 Roger Sayle <roger@eyesopen.com>
8299 PR rtl-optimization/27538
8300 * combine.c (expand_compound_operation): Call gen_lowpart
8301 before calling simplify_shift_const.
8303 2006-05-14 Roger Sayle <roger@eyesopen.com>
8305 PR rtl-optimization/22563
8306 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8307 a fixed width bitfield, always force the intermediates into psuedos.
8309 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8312 * mkconfig.sh: Use operator = instead of == for test.
8314 2006-05-13 Nick Clifton <nickc@redhat.com>
8316 * dwarf2out.c (dbx_reg_number): Check return value from
8317 LEAF_REG_REMAP and only use it if it is valid.
8318 (multiple_reg_loc_descriptor): Likewise.
8320 2006-05-13 Richard Guenther <rguenther@suse.de>
8322 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8325 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8327 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8328 information attached to non-INSNs such as NOTEs.
8329 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8331 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8333 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8335 * config/s390/s390.md: Adjust comment describing On constraint.
8337 2006-05-11 Jan Hubicka <jh@suse.cz>
8339 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8340 to be output at -O0.
8342 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8345 * fold-const.c (size_binop): Move sanity check for arguments to
8346 the beginning of the function.
8349 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8352 2006-05-11 Richard Guenther <rguenther@suse.de>
8355 * fold-const.c (fold_unary): Handle intermediate conversion
8356 to a pointer type like intermediate conversion to an integer
8357 type in folding of (T1)(T2)var to var.
8358 Match the code to the comment in the final conversion for
8359 (T1)(T2)var to (T1)var regarding to type precision. Rather
8360 than disallow T1 being of pointer type, assert that both T1
8361 and var are of pointer type or not. Make sure not to fall
8362 over the frontends lazyness wrt array to pointer decay though.
8364 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8366 * arm.c (arm_struct_value_rtx): Delete.
8367 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8368 (arm_init_cumulative_args): Always initialize nregs to zero.
8370 2006-05-10 Richard Guenther <rguenther@suse.de>
8372 PR tree-optimization/27532
8373 * tree-object-size.c (plus_expr_object_size): Fix typo.
8375 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8378 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8379 ashrdi_const, ashrdi3): Use a scratch register.
8381 2006-05-10 Richard Guenther <rguenther@suse.de>
8383 PR tree-optimization/27302
8384 * fold-const.c (operand_equal_p): For two comparisons,
8385 try comparison of one comparison code swapped if that yields
8388 2006-05-10 Ben Elliston <bje@au.ibm.com>
8390 * tree-pretty-print.c (pretty_print_string): No need to handle
8391 '\0' as a special character.
8393 * tree.h: Include "hashtab.h".
8394 (iterative_hash_expr): Use hashval_t in its prototype.
8395 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8397 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8400 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8401 (hppa*64*-*-hpux11*): Ditto.
8402 (hppa[12]*-*-hpux11*): Ditto.
8404 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8407 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8409 2006-05-09 Michael Matz <matz@suse.de>
8411 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8412 host_extra_gcc_objs and host_xmake_file.
8413 (<*-*-linux*>): Don't overwrite host_xmake_file.
8414 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8415 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8416 (host_detect_local_cpu): Declare.
8417 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8418 * config/i386/i386.c (override_options): Handle -mtune=native
8420 * config/i386/x-i386: New file.
8421 * config/i386/driver-i386.c: New file.
8422 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8425 2006-05-09 Dirk Mueller <dmueller@suse.de>
8426 Richard Guenther <rguenther@suse.de>
8429 * fold-const.c (fold_read_from_constant_string): Relax check
8430 for matching types to matching modes.
8432 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8434 PR rtl-optimization/27335
8435 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8438 2006-05-08 Chao-ying Fu <fu@mips.com>
8439 Richard Sandiford <richard@codesourcery.com>
8441 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8442 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8443 * config/mips/mips.md (UNSPEC_SCC): New constant.
8444 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8445 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8446 (mips_emit_compare): Use it.
8447 (mips_expand_vcondv2sf): New function.
8449 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8451 Fix PR tree-optimization/27093
8452 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8453 renaming when they become not-used_alone.
8455 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8457 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8458 relocation and relocation stubs.
8460 2006-05-08 Eric Christopher <echristo@apple.com>
8462 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8465 2006-05-08 Jan Hubicka <jh@suse.cz>
8468 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8469 unused static functions are needed.
8471 2006-05-08 Roger Sayle <roger@eyesopen.com>
8474 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8475 of a reg_equiv_constant if the result is a legitimate constant.
8477 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8480 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8481 standard 80387 constants, raise the cost to prevent
8482 compress_float_constant() to generate load from memory.
8484 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8486 * config/arm/constraints.md (c): Fix a typo.
8488 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8491 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8494 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8496 (_mm_mwait): Likewise.
8498 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8500 (sse3_monitor): Make it 32bit only.
8501 (sse3_monitor64): New. 64bit monitor.
8503 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8506 * config/i386/i386.c (classify_argument): Skip fields with invalid
8509 2006-05-07 Richard Guenther <rguenther@suse.de>
8511 PR tree-optimization/27409
8512 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8513 Do not try to find zero-sized subvars.
8515 2006-05-07 Richard Guenther <rguenther@suse.de>
8517 PR tree-optimization/27136
8518 * tree-ssa-loop-niter.c (get_val_for): Correct function
8519 comment, assert requirements.
8520 (loop_niter_by_eval): Stop processing if the iterated
8521 value did not simplify.
8523 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8525 * opts.c (flag_see): remove its setting at -O3.
8527 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8529 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8530 * arm/constraints.md: New file.
8531 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8532 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8533 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8534 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8535 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8536 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8537 * arm.md: Include constraints.md.
8538 (thumb_movsi_insn): Use satisfies_constraint_J.
8539 (movhi, movqi): Use satisfies_constraint_I.
8541 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8543 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8544 for atmeg a645 device.
8546 2006-05-06 Richard Guenther <rguenther@suse.de>
8548 PR tree-optimization/27151
8549 * tree-vect-transform.c (vectorizable_condition): Punt on
8550 values that have a different type than the condition.
8552 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8555 * c-parser.c (c_parser_cast_expression): Only insert casts into
8556 hash table if pointer.
8557 * function.c (used_types_insert_helper): Rename from
8559 (used_types_insert): Call used_types_insert_helper.
8560 * function.h (used_types_insert): Accept only one argument.
8562 2006-05-05 David Edelsohn <edesohn@gnu.org>
8564 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8565 scratch with output modifier.
8567 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8570 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8571 with output modifier.
8573 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8576 * config/mips/mips.c (mips_symbolic_address_p): Return true
8577 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8578 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8580 2006-05-04 Richard Guenther <rguenther@suse.de>
8582 PR tree-optimization/14287
8583 PR tree-optimization/14844
8584 PR tree-optimization/19792
8585 PR tree-optimization/21608
8586 PR tree-optimization/27090
8587 * tree-ssa-pre.c (try_combine_conversion): New function.
8588 (compute_avail): After constructing the value-handle
8589 expression, use try_combine_conversion to combine NOP_EXPRs
8590 with previous value-handle expressions and use the result if it
8593 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8595 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8597 2006-05-04 Jan Hubicka <jh@suse.cz>
8600 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8602 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8604 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8605 that this only matches CONST_INTs. All users changed to VOIDmode
8608 * config/bfin/bfin.c: Include "optabs.h".
8609 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8611 (enum bfin_builtins): Add a number of fractional and vector builtins.
8612 (bfin_init_builtins): Likewise.
8613 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8614 (safe_vector_operand, bfin_expand_binop_builtin,
8615 bfin_expand_unop_builtin): New functions.
8616 (bfin_expand_builtin): Handle the new builtins.
8617 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8620 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8623 * Makefile.in (OBJS-common): Add see.o.
8624 (see.o): Add dependencies.
8625 * common.opt (fsee): New flag for the see optimization was added.
8626 * opts.c (flag_see): Initialized.
8627 * passes.c (init_optimization_passes, pass_see): New pass.
8628 * rtl.h (see_main): Declaration as extern.
8629 * timevar.def (TV_SEE): New.
8630 * tree-pass.h (pass_see): Declaration as extern.
8631 * invoke.texi (-fsee): Document.
8632 * recog.c (validate_simplify_insn): New function.
8633 * recog.h (validate_simplify_insn): Declaration as extern.
8634 * df-problems.c (df_chain_dump): Check for NULL.
8636 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8637 Daniel Berlin <dberlin@dberlin.org>
8639 * cfgrtl.c (insert_insn_bb_end_new): New function.
8640 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8642 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8644 * df.h (struct web_entry): Moved from web.c.
8645 (union_defs): Declaration as extern.
8646 (unionfind_root): Likewise.
8647 (unionfind_union): Likewise.
8648 * web.c (struct web_entry): Moved to df.h.
8649 (unionfind_root): Remove static declaration.
8650 (unionfind_union): Likewise.
8651 (union_defs): Likewise and generalize to use callback function.
8652 (web_main): Update arguments for union_defs function call.
8654 2006-05-04 Richard Guenther <rguenther@suse.de>
8656 PR tree-optimization/26447
8657 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8658 produce SSA_NAME copies before the store stmt to avoid
8659 breaking exception handling.
8661 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8664 * gimplify.c (omp_is_private): If var is shared in some outer context,
8665 return false instead of true. Stop searching on parallel context
8668 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8671 * coverage.c: Use get_gcov_unsigned_t() instead of
8672 unsigned_type_node all over.
8674 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8676 PR tree-optimization/27381
8677 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8678 maintain the same immediate_use links.
8679 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8680 node rather than segfaulting.
8682 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8685 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8686 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8687 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8689 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8691 Fix PR tree-optimization/26626
8692 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8694 * tree-ssa-operands.c (access_can_touch_variable): Allow
8695 typecasting through union pointers.
8697 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8700 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8701 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8702 to find if var will be a global variable even in the nested context.
8703 (omp_copy_decl): Only check for global variable at the end, it might
8704 be overridden in outer contexts.
8705 (scan_sharing_clauses): For global variables don't create a field.
8706 (lower_rec_input_clauses): Do nothing for global shared variables.
8707 Emit a barrier at the end of ILIST if there were any decls in both
8708 firstprivate and lastprivate clauses.
8709 (lower_send_clauses): Do nothing for global variables except for
8712 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8714 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8715 of the correct signedness is returned.
8717 2006-05-02 Jeff Law <law@redhat.com>
8719 PR tree-optimization/27364
8720 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8721 multiply expressions.
8723 2006-05-02 Tom Tromey <tromey@redhat.com>
8725 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8727 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8730 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8731 -mthumb -fPIC are used.
8733 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8734 Joshua Kinard <kumba@gentoo.org>
8737 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8738 with 64-bit pointers.
8740 2006-05-02 Paul Brook <paul@codesourcery.com>
8742 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8744 (create_fix_barrier): Check that a suitable barrier location is
8746 (arm_reorg): Include ftmp->address in allowable range of addresses.
8748 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8751 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8754 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8757 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8758 around RESULT_DECL for result passed by reference.
8759 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8760 * omp-low.c (use_pointer_for_field): Don't look at
8761 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8762 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8763 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8764 time or var for passing by reference for
8765 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8766 TREE_ADDRESSABLE variables when passing by reference.
8768 * omp-low.c (dump_omp_region): Fix output formatting.
8771 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8772 (expand_omp_parallel): Likewise.
8773 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8776 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8777 on statement list containing also constructors and destructors.
8778 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8781 * except.c (duplicate_eh_regions): Fix clearing of
8782 cfun->eh->region_array entries.
8784 2006-05-01 DJ Delorie <dj@redhat.com>
8786 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8788 (gcc_cv_objdump): Likewise.
8789 * configure: Regenerated.
8791 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8794 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8795 templates for case 3 and 4.
8797 2006-05-01 DJ Delorie <dj@redhat.com>
8799 * vec.c: Include bconfig.h when appropriate.
8800 * Makefile.in (build/vec.o): Adjust dependencies.
8801 * mkconfig.sh: Make sure config.h isn't used for build machine
8804 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8806 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8808 (mark_phi_for_rewrite): New function.
8809 (insert_phi_nodes_for, mark_use_interesting): Call
8810 mark_phi_for_rewrite.
8811 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8812 (update_ssa): Initialize and free phis_to_rewrite.
8814 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8816 PR rtl-optimization/27291
8817 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8818 folded to a constant.
8820 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8822 PR tree-optimization/27283
8823 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8824 not whole # of iteration descriptions.
8825 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8826 uses abnormal ssa name.
8827 (niter_for_single_dom_exit): Ditto.
8828 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8829 return just the number of iterations.
8831 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8833 PR tree-optimization/27144
8834 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8835 (record_estimate): Only record constant upper bound.
8836 (infer_loop_bounds_from_undefined): Call
8837 compute_estimated_nb_iterations just once.
8838 (proved_non_wrapping_p): Renamed to ...
8839 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8840 (convert_step_widening, scev_probably_wraps_p): Call
8841 n_of_executions_at_most instead of proved_non_wrapping_p.
8842 (substitute_in_loop_info): Do not replace values in bounds.
8843 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8846 2006-05-01 Richard Henderson <rth@redhat.com>
8849 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8850 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8853 2006-05-01 Roger Sayle <roger@eyesopen.com>
8855 * c-typeck.c (parser_build_binary_op): Don't call the function
8856 unsigned_conversion_warning to spot operand/result type overflow.
8857 (build_binary_op): Instead, call convert_and_check instead of
8858 convert to report the problem when the operands are promoted.
8859 * c-common.c (unsigned_conversion_warning): Make static.
8860 * c-common.h (unsigned_conversion_warning): Delete prototype.
8862 2006-05-01 Richard Guenther <rguenther@suse.de>
8864 PR tree-optimization/26726
8865 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8867 (find_interesting_uses_address): ... we work around here
8868 by folding INDIRECT_REFs in the substituted base.
8870 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8872 * omp-low.c (dump_omp_region): Add newlines.
8874 2006-04-30 Roger Sayle <roger@eyesopen.com>
8876 * common.opt (Woverflow): New command line option.
8877 * c-common.c (constant_expression_warning): Check warn_overflow.
8878 (overflow_waring): Pass OPT_Woverflow to warning.
8879 (unsigned_conversion_warning): Likewise.
8880 (convert_and_check): Likewise.
8881 * doc/invoke.texi: Document new command line option.
8883 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8885 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8886 TARGET_NO_FP_IN_TOC for section anchors.
8887 (optimization_options): Enable section anchors for all
8888 non-"Objective" languages.
8890 2006-04-28 Eric Christopher <echristo@apple.com>
8892 * config/darwin-c.c (darwin_ms_struct): Move this
8893 (darwin_set_default_type_attributes): and this...
8894 * config/darwin.c: ... here.
8895 * config/darwin.h (darwin_ms_struct): Declare.
8897 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8899 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8901 2006-04-28 Roger Sayle <roger@eyesopen.com>
8904 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8905 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8906 an unsigned HOST_WIDE_INT.
8907 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8909 (really_start_incremental_init): No need to call convert because
8910 bitsize_zero_node is already of type bitsizetype.
8911 (push_init_level): Extract the value of constructor_index as an
8912 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8913 (process_init_element): Likewise.
8915 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8917 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8918 value before passing to make_relative_prefix.
8920 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8923 * builtins.c (expand_builtin_memset): Expand val in original mode.
8925 2006-04-27 Eric Christopher <echristo@apple.com>
8927 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8928 with #ifndef/#endif.
8929 * config/darwin-c.c (darwin_ms_struct): New.
8930 (darwin_pragma_ms_struct): Ditto.
8931 (darwin_set_default_type_attributes): Ditto.
8932 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8933 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8934 Register ms_struct pragma.
8935 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8936 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8937 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8938 darwin_set_default_type_attributes if TARGET_MACHO.
8940 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8942 PR tree-optimization/26854
8943 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8944 * doc/tree-ssa.texi: Update immuse iterator documentation.
8945 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8946 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8947 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8948 first_safe_imm_use, next_safe_imm_use): Remove.
8949 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8950 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8951 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8952 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8953 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8954 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8955 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8956 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8957 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8958 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8959 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8960 (perfect_nestify): Use new iterator.
8961 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8963 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8964 (next_imm_name): New field in struct immediate_use_iterator_d.
8965 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8966 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8967 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8968 * tree-cfg.c (replace_uses_by): Use new iterator.
8969 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8970 * tree-ssa-operands.c (correct_use_link): Remove.
8971 (finalize_ssa_use_ops): No longer call correct_use_link.
8973 2006-04-27 Stuart Hastings <stuart@apple.com>
8975 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8976 * config/t-darwin (crt3.o): Use it.
8977 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8978 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8979 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8980 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8981 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8984 2006-04-27 Roger Sayle <roger@eyesopen.com>
8986 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8987 size, force the intermediate into a new pseudo rather instead of
8988 performing both a bitwise AND and a bitwise IOR in memory.
8990 2006-04-27 Richard Guenther <rguenther@suse.de>
8992 PR rtl-optimization/26685
8993 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8994 this one "max-flow-memory-locations".
8996 2006-04-27 Richard Guenther <rguenther@suse.de>
8998 PR tree-optimization/25148
8999 * tree-vrp.c (compare_values): Remove code dealing with
9000 comparisons against type min/max value. Honour overflow
9001 and negative constants in code dealing with comparisons
9002 of plus and minus expressions.
9003 (value_inside_range): Use fold_binary with LE_EXPR and
9004 GE_EXPR rather than compare_values.
9006 2006-04-27 Dirk Mueller <dmueller@suse.de>
9008 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9011 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9013 * basic-block.h (safe_insert_insn_on_edge): Removed.
9014 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9016 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9017 Paolo Bonzini <bonzini@gnu.org>
9020 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9021 (simplify_and_const_int): Same.
9023 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9025 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9027 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9030 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9031 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9032 cgraph_global_info_ready.
9035 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9038 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9039 either decl or init is error_mark_node.
9042 * tree-flow.h (struct omp_region): Add sched_kind.
9043 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9044 instead of extracting omp for data.
9045 (expand_omp_for): Save extracted sched_kind.
9047 2006-04-25 Roger Sayle <roger@eyesopen.com>
9049 * expmed.c (store_bit_field): Also check whether the bitsize is
9050 valid for the machine's "insv" instruction before moving the
9051 target into a pseudo for use with the insv.
9052 * config/i386/predicates.md (const8_operand): New predicate.
9053 * config/i386/i386.md (extv, extzv, insv): Use the new
9054 const8_operand predicate where appropriate.
9056 2006-04-25 DJ Delorie <dj@redhat.com>
9058 * doc/install.texi (Specific): Clarify that this is not a list of
9059 supported hosts or targets.
9061 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9063 PR rtl-optimization/26725
9064 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9065 block's BB_DIRTY flag.
9067 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9069 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9072 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9073 to print an integer.
9075 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9077 * varasm.c (align_variable): New function.
9078 (get_block_for_decl): Apply align_variable to DECL before
9079 calculating section information.
9080 (assemble_variable): Split out alignment computation.
9082 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9084 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9087 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9089 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9090 MODE_PARTIAL_INT mode.
9091 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9092 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9094 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9095 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9097 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9099 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9101 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9102 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9103 MACFLAG_IH): Likewise.
9104 (movstricthi_1): Renamed from "*movstricthi".
9105 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9106 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9107 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9108 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9109 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9110 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9111 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9112 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9113 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9114 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9115 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9116 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9117 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9118 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9119 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9121 * doc/rtl.texi (ss_ashift): Improve wording.
9123 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9125 * dwarf2out.c (verify_marks_clear): New.
9126 (prune_unused_types): Call verify_marks_clear initially, not
9129 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9131 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9132 * doc/rtl.texi: Document them.
9133 * simplify-rtx.c (simplify_unary_operation,
9134 simplify_binary_operation_1): Don't abort when we see them.
9136 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9139 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9140 * configure.ac: Completely disregard languages that are not
9142 * configure: Regenerated.
9144 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9145 Richard Guenther <rguenther@suse.de>
9147 PR tree-optimization/27236
9148 * tree-inline.c (copy_body_r): Make sure to copy
9149 TREE_THIS_VOLATILE flag.
9151 2006-04-24 Richard Guenther <rguenther@suse.de>
9154 * tree-complex.c (update_parameter_components): Don't handle
9155 unused parameters which have no default def.
9157 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9158 Richard Guenther <rguenther@suse.de>
9160 PR tree-optimization/27218
9161 * tree-inline.c (expand_call_inline): Strip useless type
9162 conversions for the return slot address.
9164 2006-04-24 Richard Guenther <rguenther@suse.de>
9166 * cfgloop.h (struct loops): Remove unused field array. Reorder
9168 (LOOP_PREFETCH): Remove.
9170 2006-04-24 Richard Guenther <rguenther@suse.de>
9172 PR tree-optimization/22525
9173 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9174 variable, adjust types of generated expressions.
9176 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9178 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9179 (tree-vect-patterns.o): Likewise.
9181 (cselib.o): Likewise.
9182 (loop-doloop.o): Likewise.
9183 (regclass.o): Likewise.
9184 (reload1.o): Likewise.
9185 (explow.o): Replace target.h with $(TARGET_H).
9186 (ipa-prop.o): Likewise.
9187 (ipa-cp.o): Likewise.
9188 (ipa-inline.o): Likewise.
9189 (reorg.o): Likewise.
9190 (reg-stack.o): Likewise.
9192 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9194 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9196 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9198 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9200 * configure.ac: Completely disregard languages that are not
9202 * configure: Regenerated.
9205 * c-common.h (c_build_bitfield_integer_type): Declare.
9206 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9207 * c-common.c (c_build_bitfield_integer_type): ... here.
9209 2006-04-23 Roger Sayle <roger@eyesopen.com>
9212 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9213 a SImode SUBREG of a floating point register after no_new_pseudos.
9215 2006-04-23 Roger Sayle <roger@eyesopen.com>
9217 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9218 identify potentially eliminable registers to additionally catch
9219 VIRTUAL_INCOMING_ARGS_REGNUM.
9220 (addsi3): Update the conditions on when to use addsi_small_int.
9222 2006-04-23 Roger Sayle <roger@eyesopen.com>
9225 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9226 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9227 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9229 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9231 * fold-const.c (range_predecessor): Use operand_equal_p
9232 as the predicate for equality.
9233 (range_successor): Likewise.
9235 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9238 * config/soft-fp/op-common.h: Fix a typo.
9240 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9243 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9244 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9246 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9248 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9250 * doc/tm.texi: Fix a typo.
9252 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9254 * dwarf2out.c (struct die_struct): Document that die_sib makes
9255 a circular linked list.
9256 (FOR_EACH_CHILD): New.
9257 (reverse_die_lists): Delete.
9258 (reverse_all_dies): Delete.
9259 (add_dwarf_attr): Correct documentation.
9260 (remove_child_with_prev): New.
9261 (remove_child_TAG): Update for change to die_struct, use
9262 remove_child_with_prev.
9263 (add_child_die): Update for change to die_struct.
9264 (splice_child_die): Use remove_child_with_prev and add_child_die.
9265 (print_die): Use FOR_EACH_CHILD.
9266 (die_checksum): Likewise.
9267 (assign_symbol_names): Likewise.
9268 (output_location_lists): Likewise.
9269 (build_abbrev_table): Likewise.
9270 (calc_die_sizes): Likewise.
9271 (mark_dies): Likewise.
9272 (unmark_dies): Likewise.
9273 (unmark_all_dies): Likewise.
9274 (output_die): Likewise.
9275 (prune_unused_types_mark): Likewise.
9276 (prune_unused_types_walk): Likewise.
9277 (same_die_p): Update for change to die_struct.
9278 (break_out_includes): Likewise.
9279 (prune_unused_types_prune): Likewise.
9280 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9281 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9283 (dwarf2out_finish): Don't call reverse_all_dies.
9285 2006-04-21 Eric Christopher <echristo@apple.com>
9287 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9288 in comments and function names.
9290 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9293 * c-typeck.c (digest_init): Robustify.
9295 * c-typeck.c (pop_init_level): Simplify.
9297 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9299 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9301 2006-04-21 Paul Brook <paul@codesourcery.com>
9303 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9304 hardware floating point.
9306 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9308 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9311 2006-04-21 Nick Clifton <nickc@redhat.com>
9313 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9316 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9319 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9320 C++ lang type in traceback table for Objective-C++.
9322 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9324 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9326 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9328 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9331 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9332 were errors. Remove check for erroneous objects.
9334 2006-04-20 Jeff Law <law@redhat.com>
9336 PR tree-optimization/26854
9337 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9338 checking for zero or one use.
9339 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9340 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9341 * tree-ssa-reassoc.c (negate_value): Similarly.
9342 (reassociate_bb): Similarly.
9344 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9346 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9347 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9348 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9350 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9352 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9353 fp regs if the last fp arg doesn't fit in regs.
9355 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9358 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9359 that the last insn has the REG_INC note.
9361 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9362 Nathan Sidwell <nathan@codesourcery.com>
9365 * stor-layout.c (update_alignment_for_field): Do not align
9367 (place_union_field): Place union field at the start of the union.
9368 (place_field): Move ERROR_MARK check later, and use the current
9369 allocation position to maintain monotonicity.
9371 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9373 * dominance.c: Include timevar.h.
9374 (calculate_dominance_info): Use TV_DOMINANCE.
9375 * timevar.def (TV_DOMINANCE): New timevar.
9376 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9378 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9380 PR rtl-optimization/14261
9381 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9382 move would be an INSV insn.
9383 (noce_process_if_block): Don't optimize if the destination is a
9384 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9386 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9388 * config/s390/s390.md: Add comments with the instructions emitted
9389 by an insn pattern if macros are used.
9391 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9393 PR rtl-optimization/26026
9394 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9395 is a known power of two shifted left a variable amount.
9397 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9399 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9400 to hash table twice when the debug_str section has SECTION_MERGE.
9402 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9404 * config/soft-fp: New directory. From glibc.
9405 * config/soft-fp/t-softfp: New.
9406 * config/soft-fp/README: New.
9407 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9408 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9409 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9410 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9411 * config.gcc: Use rs6000/t-fprules-fpbit or
9412 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9414 * config/rs6000/sfp-machine.h: New. Based on glibc.
9415 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9417 * config/rs6000/t-fprules: Remove fp-bit rules.
9418 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9419 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9420 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9421 (softfp_wrap_start, softfp_wrap_end): New.
9423 2006-04-18 DJ Delorie <dj@redhat.com>
9425 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9427 2006-04-18 Devang Patel <dpatel@apple.com>
9429 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9431 2006-04-18 Nick Clifton <nickc@redhat.com>
9433 * config/sh/t-symbian: Add rule to build sh-c.o
9434 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9435 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9436 (sh_symbian_encode_section_info): Likewise.
9438 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9440 * builtins.c (expand_builtin_strcmp): Cover label definition of
9441 do_libcall with HAVE_cmpstrnsi.
9443 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9445 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9447 * function.h (temp_slot_p): New.
9448 (function): Change the type of x_used_temp_slots to
9449 VEC(temp_slot_p,gc) *.
9451 2006-04-18 Nick Clifton <nickc@redhat.com>
9453 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9454 flag_strength_reduce.
9456 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9458 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9462 Partial revert of revision 112637
9463 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9464 Dale Johannesen <dalej@apple.com>
9467 * regclass.c (struct reg_pref): Update documentation.
9468 (regclass): Set prefclass to NO_REGS if memory is the best option.
9469 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9471 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9473 PR tree-optimization/26821
9474 * tree-ssa-math-opts.c (get_constant_one): New.
9475 (insert_reciprocals): Use it.
9477 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9479 * dwarf2out.c (free_AT): Delete.
9480 (remove_AT): Update string ref counts.
9481 (remove_child_TAG): Don't call free_die.
9483 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9484 or DW_TAG_GNU_EINCL.
9485 (prune_unused_types_walk_attribs): Reset string refcounts.
9486 (prune_unused_types_update_strings): New.
9487 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9488 call free_die. Do call prune_unused_types_update_strings.
9489 (prune_unused_types): Empty debug_str_hash.
9491 2006-04-17 Roger Sayle <roger@eyesopen.com>
9493 * expr.c (expand_assignment): Optimize away no-op moves where the
9494 source and destination are equal and have no side-effects.
9496 2006-04-17 Richard Guenther <rguenther@suse.de>
9499 * reload.c (push_reload): Guard calls to get_secondary_mem
9502 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9504 * alias.c (reg_base_value, old_reg_base_value): Change the
9505 type to VEC(rtx,gc) *.
9506 (REG_BASE_VALUE, find_base_value, record_set,
9507 init_alias_analysis): Use VEC instead of VARRAY.
9509 * alias.c (alias_sets): Change the type to
9510 VEC(alias_set_entry,gc) *.
9511 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9512 VEC instead of VARRAY.
9513 (last_alias_set): Remove.
9515 * cgraph.h (cgraph_edge_p): New.
9516 Update the prototype of cgraph_function_versioning.
9517 * cgraphunit.c (cgraph_copy_node_for_versioning,
9518 cgraph_function_versioning): Use VEC instead of VARRAY.
9519 * ipa-cp.c (ipcp_insert_stage): Likewise.
9521 2006-04-16 Roger Sayle <roger@eyesopen.com>
9524 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9525 "A op B" or "A op C", we may need to convert A to the type of B and C.
9527 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9529 * target.h (struct gcc_target): Add mode_rep_extended.
9530 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9531 (init_num_sign_bit_copies_in_rep): Initialize it using
9533 (truncate_to_mode): Use it.
9534 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9535 * targhooks.h (default_mode_rep_extended): Declare it.
9536 * targhooks.c (default_mode_rep_extended): Define it.
9537 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9538 default_mode_rep_extended.
9539 (TARGET_INITIALIZER): Include it.
9540 * doc/tm.texi (Misc): Document it.
9541 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9542 (mips_truncated_to_mode): New function.
9544 2006-04-16 Roger Sayle <roger@eyesopen.com>
9547 * expr.c (compress_float_constant): Copy the narrow constant into
9548 a new pseudo before extending it to its final width.
9550 2006-04-16 Roger Sayle <roger@eyesopen.com>
9551 Andrew Pinski <pinskia@gcc.gnu.org>
9552 Dale Johannesen <dalej@apple.com>
9555 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9556 special case code to implement V8HImode and V16QImode with SSE2.
9558 2006-04-15 Roger Sayle <roger@eyesopen.com>
9560 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9561 trees are constructed with a suitable tree type.
9563 2006-04-15 Roger Sayle <roger@eyesopen.com>
9565 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9566 (integer_onep): Likewise.
9567 (integer_all_onesp): Likewise.
9568 (integer_pow2p): Likewise.
9569 (integer_nonzerop): Likewise.
9570 (real_zerop): Likewise.
9571 (real_onep): Likewise.
9572 (real_twop): Likewise.
9573 (real_minus_onep): Likewise.
9574 (int_size_in_bytes): Likewise.
9575 (host_integerp): Likewise.
9577 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9579 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9580 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9581 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9583 * tree-ssa-structalias.h (alias_info): Remove num_references.
9585 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9587 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9588 (output_bvb patterns): Likewise.
9589 * pa.c (output_bb): Use 'bb' insn for long branch case.
9590 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9591 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9592 1. Correct length operand for alternatives 1 and 2.
9593 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9594 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9596 2006-04-14 Roger Sayle <roger@eyesopen.com>
9598 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9599 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9600 were accidentally reverted by r112959.
9602 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9605 * except.h (eh_region_outermost): New prototype.
9606 * except.c (eh_region_outermost): New function.
9607 * tree-cfg.c (find_outermost_region_in_block): Use it.
9609 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9611 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9613 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9614 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9615 (init_reload, reload): Use VEC instead of VARRAY.
9616 * reload.h: Update the prototype for
9617 reg_equiv_memory_loc_varray.
9619 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9620 Eric Botcazou <ebotcazou@libertysurf.fr>
9622 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9625 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9628 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9629 to expand fallback builtin function call.
9631 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9634 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9635 and emit libcall here in case the builtin fails.
9636 (expand_builtin_strcmp): Always emit the libcall here on failure.
9638 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9640 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9641 * flow.c (reg_n_info): Change the type to
9642 VEC(reg_info_p,heap) *.
9643 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9645 * regs.h (reg_info_p): New.
9646 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9647 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9648 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9651 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9653 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9655 * params.h (MAX_SCHED_READY_INSNS): New macro.
9656 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9657 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9658 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9659 the ready list for 1 cycle during the first scheduling pass.
9660 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9662 2006-04-13 Richard Henderson <rth@redhat.com>
9665 * gimple-low.c (lower_omp_directive): Remove dead code.
9666 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9667 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9668 * omp-low.c (struct omp_region): Move to tree-flow.h.
9669 (root_omp_region): Export.
9670 (omp_regions, lookup_omp_region): Remove.
9671 (determine_parallel_type): Update for struct omp_region changes.
9672 (dump_omp_region): Dump regions with block numbers.
9673 (new_omp_region): Take type and block instead of stmt; malloc
9675 (free_omp_region_1, free_omp_regions): New.
9676 (expand_parallel_call): Take entry_stmt as argument; update for
9677 changes to omp_region.
9678 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9679 (remove_exit_barriers): New.
9680 (expand_omp_parallel): Update for struct omp_region changes.
9681 (expand_omp_synch): Likewise.
9682 (expand_omp): Likewise.
9683 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9684 (expand_omp_for_static_chunk): Likewise.
9685 (expand_omp_for): Likewise.
9686 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9687 (expand_omp_sections): Similarly, with GOMP_sections_end.
9688 (expand_omp_single): New.
9689 (build_omp_regions_1): Update for OMP_CONTINUE.
9690 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9691 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9692 OMP_SECTIONS_SECTIONS.
9693 (lower_omp_single_simple): Don't emit barrier here.
9694 (lower_omp_single_copy): Likewise.
9695 (lower_omp_single): Fix bindings, and lower to straightline now.
9696 (lower_omp_master, lower_omp_ordered): Likewise.
9697 (lower_omp_critical): Likewise.
9698 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9699 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9700 omp edges, free it afterward.
9701 (make_omp_sections_edges): Remove.
9702 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9703 (move_stmt_r): Handle OMP_CONTINUE.
9704 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9705 statement pointers to basic blocks. Add type member.
9706 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9707 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9708 * tree-inline.c (estimate_num_insns_1): Likewise.
9709 * tree-pretty-print.c (dump_generic_node): Likewise.
9710 * tree-ssa-operands.c (get_expr_operands): Likewise.
9711 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9712 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9713 (OMP_CONTINUE): New.
9714 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9715 (OMP_SECTIONS_SECTIONS): Remove.
9716 (OMP_SECTION_LAST): New.
9717 (OMP_RETURN_NOWAIT): New.
9719 2006-04-13 Roger Sayle <roger@eyesopen.com>
9721 * fold-const.c (native_encode_vector, native_interpret_real):
9722 Correct obvious mistakes in the previous check-in.
9724 2006-04-13 Roger Sayle <roger@eyesopen.com>
9726 * fold-const.c (native_encode_expr): New function to encode
9727 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9728 or VECTOR_CST into a specified buffer.
9729 (native_encode_int): New function.
9730 (native_encode_real): New function.
9731 (native_encode_complex): New function.
9732 (native_encode_vector): New function.
9733 (native_interpret_expr): Inverse of native_encode_expr to convert
9734 a target representation into an INTEGER_CST, REAL_CST etc...
9735 (native_interpret_int): New function.
9736 (native_interpret_real): New function.
9737 (native_interpret_complex): New function.
9738 (native_interpret_vector): New function.
9739 (fold_view_convert_expr): New function to constant fold/evaluate
9740 a VIEW_CONVERT_EXPR of a suitable constant expression.
9741 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9742 Change call of build1 to fold_build1 when constructing a
9745 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9746 Ulrich Weigand <uweigand@de.ibm.com>
9749 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9752 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9755 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9756 optimize to lo_sum for DFmode if !TARGET_FPRS.
9758 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9760 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9761 delete_alias_info, compute_flow_sensitive_aliasing,
9762 group_aliases): Use VEC instead of VARRAY.
9763 * tree-ssa-structalias.c (update_alias_info): Likewise.
9764 * tree-ssa-structalias.h (alias_info): Change the type of
9765 processed_ptrs to VEC(tree,heap) *.
9767 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9770 * config/sh/lib1funcs.h: New file, broken out of:
9771 * config/sh/lib1funcs.asm.
9772 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9774 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9775 * config/sh/lib1funcs-Os-4-200.asm: New file.
9776 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9777 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9778 (EXTRA_MULTILIB_PARTS): Include it.
9779 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9780 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9781 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9782 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9785 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9787 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9788 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9789 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9791 * tree-ssa-live.h: Include vecprim.h.
9792 (tree_partition_associator_d): Change the type of
9793 first_partition to VEC(int,heap) *.
9794 (tpa_first_partition): Use VEC instead of VARRAY.
9796 * Makefile.in (GTFILES): Move functions.h after tree.h.
9797 * function.c (reset_block_changes, record_block_change,
9798 check_block_change, free_block_changes): Use VEC instead of
9800 * function.h (function): Change the type of
9801 ib_boundaries_block to VEC(tree,gc) *.
9802 * tree-inline.c (copy_cfg_body): Initialize
9803 ib_boundaries_block to NULL instead of (varray_type) 0.
9805 2006-04-12 Roger Sayle <roger@eyesopen.com>
9807 * expr.c (emit_group_store): Correct operand order in call to
9808 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9809 a SUBREG_BYTE of zero.
9811 2006-04-12 Richard Guenther <rguenther@suse.de>
9813 * profile.c (compute_branch_probabilities): Remove code
9814 encapsulated in !ir_type (), which are remanents of the
9815 removed RTL profiling code.
9816 * rtl-profile.c: Remove.
9818 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9820 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9821 magic NULL_RTX comment.
9822 (function_arg): Store entire fp arg to mem if any part should go
9824 (rs6000_arg_partial_bytes): Adjust for above change.
9826 2006-04-11 Roger Sayle <roger@eyesopen.com>
9828 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9829 if it hasn't been initialized by dwarf2out_init.
9831 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9833 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9834 symbolic constants in branch patterns.
9836 2006-04-11 Roger Sayle <roger@eyesopen.com>
9838 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9840 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9842 PR rtl-optimization/27073
9843 * gcse.c (try_replace_reg): Revert last change. Continue to search
9844 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9847 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9849 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9850 aggregate types other than record and union types.
9851 (function_arg): Likewise.
9852 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9854 (function_value): In 64-bit mode, return objects that require it
9857 2006-04-11 Roger Sayle <roger@eyesopen.com>
9859 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9861 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9863 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9865 2006-04-03 Jeff Law <law@redhat.com>
9868 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9869 alias information too.
9871 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9873 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9875 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9878 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9879 (premark_used_types_helper): New.
9880 (premark_used_types): New.
9881 (gen_subprogram_die): Call premark_used_types.
9882 (prune_unused_types_walk): Do not prune perennial dies.
9883 * function.c (used_types_insert): New.
9884 * function.h (struct function): Add used_types_hash field.
9885 (used_types_insert): Add prototype.
9886 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9887 * c-parser.c (c_parser_cast_expression): Save casted types in used
9890 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9893 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9894 rs6000_explicit_options.float_gprs.
9896 2006-04-10 Roger Sayle <roger@eyesopen.com>
9898 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9899 from ix86_expand_vector_init_low_nonzero. Take an additional
9900 one_var argument indicating which element is non-zero. Support
9901 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9902 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9903 with one_var instead of ix86_expand_vector_init_low_nonzero.
9905 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9907 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9908 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9909 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9910 build/genextract.o): Depend on vecprim.h.
9911 * cfglayout.c, df-problems.c, function.c, genextract.c,
9912 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9913 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9917 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9919 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9920 Declare VECs of this type.
9921 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9922 (remove_children): Delete.
9923 (add_dwarf_attr): Use VEC routines.
9924 (add_AT_flag): Update for changes to add_dwarf_attr.
9925 (add_AT_int): Likewise.
9926 (add_AT_unsigned): Likewise.
9927 (add_AT_long_long): Likewise.
9928 (add_AT_vec): Likewise.
9929 (add_AT_string): Likewise.
9930 (add_AT_die_ref): Likewise.
9931 (add_AT_fde_ref): Likewise.
9932 (add_AT_loc): Likewise.
9933 (add_AT_loc_list): Likewise.
9934 (add_AT_addr): Likewise.
9935 (add_AT_lbl_id): Likewise.
9936 (add_AT_lineptr): Likewise.
9937 (add_AT_macptr): Likewise.
9938 (add_AT_offset): Likewise.
9939 (add_AT_range_list): Likewise.
9940 (get_AT): Use VEC_iterate.
9941 (remove_AT): Use VEC_ordered_remove.
9942 (free_die): Fold remove_children into here; have it use VEC_iterate.
9943 (print_die): Use VEC_iterate on attrs.
9944 (reverse_die_lists): Don't reverse attr lists.
9945 (die_checksum): Use VEC_iterate on attrs.
9946 (same_die_p): Likewise.
9947 (output_location_lists): Likewise.
9948 (build_abbrev_table): Likewise.
9949 (size_of_die): Likewise.
9950 (unmark_all_dies): Likewise.
9951 (output_abbrev_section): Likewise.
9952 (output_die): Likewise.
9953 (prune_unused_types_walk_attribs): Likewise.
9955 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9957 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9959 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9962 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9964 2006-04-09 Roger Sayle <roger@eyesopen.com>
9966 * expr.c (store_constructor): Don't bother clearing target if
9967 we're about to assign a vector to it using vec_init_optab.
9969 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9971 * tree-ssa-alias.c (lhs_may_store_to): New function.
9972 (recalculate_used_alone): Handle LHS of calls.
9974 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9978 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9979 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9980 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9981 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9982 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9983 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9984 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9985 stubs. Add ".align 8" directives before all ".dword" directives.
9986 (GTHREAD_USE_WEAK): Revise comment.
9987 (TARGET_ATTRIBUTE_WEAK): Define.
9988 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9989 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9990 * stublib.c: New file.
9995 * pa.md (cbranch patterns): Revise arguments used in calls to
9996 output_cbranch, output_bb and output_bvd. Add long branch length
9998 (fbranch patterns): Handle long branches.
9999 (jump): Revise length check. Revise arguments for output_lbranch call.
10000 Add long branch length attributes.
10001 (decrement_and_branch_until_zero): Add long branch length attributes.
10002 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10003 Likewise. Revise arguments for output_parallel_addb and
10004 output_parallel_movb calls.
10005 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10006 output_parallel_movb and output_parallel_addb): Update prototypes.
10007 * pa.c (output_cbranch): Revise arguments. Correct handling of
10008 nullification in long branches.
10009 (output_lbranch): Add new argument to control extraction of delay
10011 (output_bb): Handle long branches.
10012 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10013 output_parallel_addb): Likewise.
10015 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10017 PR rtl-optimization/27073
10018 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10021 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10023 * tree.h (tree_memory_tag): Add old_used_alone.
10024 (SMT_OLD_USED_ALONE): New macro.
10025 * tree-ssa-alias.c (recalculate_used_alone): Stop
10026 marking things for renaming unnecessarily.
10028 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10030 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10031 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10032 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10033 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10034 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10035 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10036 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10037 spelling convensions.
10038 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10039 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10040 typos. Follow spelling conventions.
10042 2006-04-07 DJ Delorie <dj@redhat.com>
10044 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10045 passed on the stack.
10046 (m32c_init_cumulative_args): When a function returns a structure,
10047 always pass the pointer to that return area on the stack.
10048 (m32c_function_arg_advance): Don't increment the parameter number
10049 if we're processing the returned structure pointer.
10050 (pushm_info): Reverse order of registers.
10052 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10054 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10055 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10056 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10057 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10058 build_int_cst_type.
10059 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10060 chrec_fold_multiply): Same.
10061 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10062 force_expr_to_var_cost): Same.
10063 * tree-mudflap.c (mf_xform_derefs_1): Same.
10064 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10066 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10068 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10069 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10072 2006-04-07 Jan Hubicka <jh@suse.cz>
10074 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10076 2006-04-07 Richard Guenther <rguenther@suse.de>
10078 PR tree-optimization/26135
10079 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10080 loads for store copy-prop.
10081 (copy_prop_visit_stmt): Likewise.
10083 2006-04-05 Robert Millan <robertmh@gnu.org>
10085 * config/i386/linux.h: Add a comment to mark macros that are
10086 being overriden in config/k*bsd-gnu.h.
10087 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10089 * config/knetbsd-gnu.h: Ditto.
10091 2006-04-06 Jan Hubicka <jh@suse.cz>
10095 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10098 2006-04-06 Mike Stump <mrs@apple.com>
10100 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10101 for HAVE_nonlocal_goto to be consistent.
10102 (expand_builtin_nonlocal_goto): Likewise.
10103 (expand_builtin_strcmp): Use #ifdef instead of #if
10104 for HAVE_cmpstrnsi to be consistent.
10106 2006-04-05 DJ Delorie <dj@redhat.com>
10108 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10111 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10113 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10114 got-relative addressing for anything but SImode.
10116 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10117 even if the calling function doesn't modify them.
10119 2006-04-05 Richard Guenther <rguenther@suse.de>
10121 PR tree-optimization/26919
10122 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10123 to cgraph_estimate_size_after_inlining.
10125 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10127 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10129 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10131 PR tree-optimization/26996
10132 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10133 VECTOR_TYPE variables.
10135 2006-04-05 Richard Guenther <rguenther@suse.de>
10137 PR tree-optimization/26763
10138 * fold-const.c (fold_comparison): Move folding of
10139 PTR + CST CMP PTR + CST ...
10140 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10142 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10144 * doc/install.texi (Prerequisites): Refine some wording on
10145 bootstrapping and ksh.
10146 Move the version numbers of DejaGnu here from the testing section
10147 and fix casing of names.
10148 Fix markup and clarify wording for autogen requirements.
10149 Refer to GCJ instead of just java.
10150 Refer to SVN instead of CVS.
10151 Describe diffutils as useful instead of necessary.
10152 (Downloading the source): Refer to SVN instead of CVS.
10153 Adjust a link to our web site accordingly.
10154 (Configuration): Fix casing of Bison.
10155 (Building): Refer to SVN instead of CVS.
10156 Fix a sentence on the use of Bison and remove duplicate (and
10157 incorrect) version number of Bison requirement.
10158 Remove one redundant list of packages needed for building.
10159 (Specific): Avoid reference to CVS.
10161 2006-04-04 Eric Christopher <echristo@apple.com>
10163 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10164 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10165 (rs6000_handle_struct_attribute): New.
10166 (rs6000_ms_bitfield_layout_p): Ditto.
10168 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10170 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10171 NULL for dso parameter to atexit_common.
10173 2006-04-04 Eric Christopher <echristo@apple.com>
10175 * config/i386/i386.c (machopic_output_stub): Output \t
10176 between instructions and operands.
10178 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10180 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10181 satisfies_constraint_[IL] to explicit tests on value.
10183 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10185 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10186 set_nb_iterations_in_loop): Use build_int_cst instead of
10187 build_int_cst_type.
10188 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10189 build_int_cst instead of convert.
10191 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10193 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10194 new value 2 for incoming.
10195 * function.c (expand_function_start): Call struct_value_rtx
10196 with incoming as 2.
10197 * config/sparc/sparc.md: Comment updated_return.
10198 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10199 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10200 struct return if sparc_std_struct_return and incoming is 2.
10201 (print_operand): Do not adjust return if
10202 sparc_std_struct_return.
10204 2006-04-04 Roger Sayle <roger@eyesopen.com>
10206 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10207 convert in the middle-end.
10208 * expr.c (store_expr, store_constructor, get_inner_reference,
10209 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10211 * tree.c (build_range_type): Likewise.
10213 2006-04-04 Tom Tromey <tromey@redhat.com>
10215 * doc/install.texi (Prerequisites): Mention jar.
10217 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10219 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10222 2006-04-04 Matthias Klose <doko@debian.org>
10224 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10228 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10231 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10233 * doc/extend.texi (Function Attributes): Rewrite visibility
10234 attribute documentation.
10235 * doc/invoke.texi (C++ Dialect Options): Rewrite
10236 -fvisibility-inlines-hidden documentation to describe something
10237 entirely different, although in practise compatible.
10238 (Code Gen Options): Warn about system headers in -fvisibility=
10241 * doc/extend.texi (Other Builtins): Document that
10242 __builtin_nan is a compile-time constant only when its argument
10245 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10247 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10248 trying to remove TRUNCATE check if all bits outside the new mode
10249 are identical to the sign bit.
10251 2006-04-03 Jeff Law <law@redhat.com>
10253 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10254 and operand scanning in some common cases.
10256 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10257 Dale Johannesen <dalej@apple.com>
10260 * regclass.c (struct reg_pref): Update documentation.
10261 (regclass): Set prefclass to NO_REGS if memory is the best option.
10262 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10263 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10264 into account. For non-registers, equate an empty preferred
10265 reload class to a `!' in the constraint; move the if clause to
10266 do so after those that reject the insn.
10267 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10269 (find_dummy_reload): Likewise.
10270 * doc/tm.texi (Register Classes): Document what it means
10271 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10272 * config/i386/i386.c (ix86_preferred_reload_class): Force
10273 using SSE registers (and return NO_REGS for floating-point
10274 constants) if math is done with SSE.
10275 (ix86_preferred_output_reload_class): New.
10276 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10277 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10278 * config/i386/i386.md: Remove # register preferences.
10280 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10283 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10284 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10285 the type of nb_iter.
10286 (instantiate_parameters_1): Convert the operands before calling
10287 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10288 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10290 2006-04-02 Roger Sayle <roger@eyesopen.com>
10292 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10293 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10294 instead of convert.
10295 * dojump.c (do_jump): Likewise.
10296 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10297 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10298 gimplify_boolean_expr): Likewise.
10299 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10300 * varasm.c (array_size_for_constructor): Likewise.
10301 * tree-object-size.c (compute_object_offset): Likewise.
10303 2006-04-02 Roger Sayle <roger@eyesopen.com>
10305 PR middle-end/26977
10306 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10307 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10309 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10311 PR tree-optimization/26939
10312 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10314 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10316 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10317 at_stmt. Convert the type of operands before calling
10318 build_polynomial_chrec.
10319 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10320 add_to_evolution_1.
10321 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10322 (instantiate_parameters_1): Convert the type of operands before calling
10323 build_polynomial_chrec.
10324 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10325 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10326 reset_evolution_in_loop): Insert asserts to check the types of the
10328 (chrec_type): Moved...
10329 (eq_evolutions_p): Use operand_equal_p.
10330 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10331 the types of the operands.
10332 (chrec_type): ...here.
10333 * tree-data-ref.c (create_data_ref): Convert the operands before
10334 calling chrec_replace_initial_condition.
10335 (same_access_functions, analyze_subscript_affine_affine,
10336 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10337 (compute_subscript_distance, analyze_ziv_subscript,
10338 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10339 analyze_miv_subscript): Convert the operands before calling
10340 chrec_fold_minus or chrec_fold_plus.
10342 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10344 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10345 the dependence_relations vector.
10346 (compute_data_dependences_for_loop): Adjust call to
10347 compute_all_dependences.
10349 2006-04-01 Roger Sayle <roger@eyesopen.com>
10350 Richard Henderson <rth@redhat.com>
10352 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10353 gimple_boolify on the condition before calling gimplify_expr.
10355 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10357 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10358 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10359 the frame size. Update to use the new macros.
10360 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10361 * config/xtensa/ieee754-df.S: Likewise.
10363 2006-03-31 Richard Henderson <rth@redhat.com>
10365 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10366 (make_edges): ... here. Control fallthru creation with a local
10367 variable. Do not play with fake edges.
10368 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10369 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10372 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10374 * dwarf2.h (DW64_CIE_ID): Define.
10375 * dwarf2out.c (DWARF_CIE_ID): Define.
10376 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10377 length header. Use DWARF_CIE_ID.
10378 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10379 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10381 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10383 * config/sh/linux-atomic.asm: New file.
10384 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10386 2006-03-31 DJ Delorie <dj@redhat.com>
10388 * config/m32c/cond.md: Set condition flags properly throughout.
10389 * config/m32c/minmax.md: Likewise.
10390 * config/m32c/prologue.md: Likewise.
10391 * config/m32c/bitops.md: Likewise.
10392 * config/m32c/muldiv.md: Likewise.
10393 * config/m32c/mov.md: Likewise.
10394 * config/m32c/addsub.md: Likewise.
10395 * config/m32c/m32c.md: Likewise.
10396 * config/m32c/jump.md: Likewise.
10397 * config/m32c/shift.md: Likewise.
10399 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10400 conditionally output the pattern for this.
10401 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10402 (m32c_compare_redundant): New.
10403 (m32c_output_compare): New.
10404 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10406 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10407 dest, not src. Allow other 4-byte modes.
10409 2006-03-30 Denis Chertykov <denisc@overta.ru>
10411 * doc/md.texi: Refer to avr/constraints.md instead of
10414 2006-03-30 Roger Sayle <roger@eyesopen.com>
10416 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10417 signed vs. unsigned comparison failures on some hosts.
10419 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10422 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10423 change to FLOAT_REGS.
10425 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10426 (rs6000_override_options): Use it.
10427 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10428 only for -mabi=spe/no-spe and -mabi=altivec.
10430 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10432 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10435 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10437 * Makefile.in: Rename docdir to gcc_docdir.
10439 2006-03-30 Roger Sayle <roger@eyesopen.com>
10442 * expr.c (emit_group_store): Optimize group stores into a pseudo
10443 register by using a paradoxical subreg to initialize the destination
10444 if the first or last member of the group specifies a "low part".
10446 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10449 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10450 * target.h (struct gcc_target.speculate_insn): Change type of the
10451 second parameter to 'int'.
10452 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10453 the second operand of the DEPS_LIST.
10454 (copy_DEPS_LIST_list): Update reference to the second operand of the
10456 * rtl.h (alloc_DEPS_LIST): Update signature.
10457 * sched-int.h (ds_t): Change typedef to 'int'.
10458 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10460 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10462 * haifa-sched.c (try_ready): Change condition to restore
10463 non-speculative pattern of the instruction.
10464 (process_insn_depend_be_in_spec): Code to keep probability of the
10465 speculative dependence non-decreasing.
10467 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10469 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10470 (single_move_for_movmem): ... this. Also change all uses.
10471 (bfin_expand_strmov): Renamed to...
10472 (bfin_expand_movmem): ... this. Also change all uses.
10473 * config/bfin/bfin.md (movstrsi): Renamed to...
10474 (movstrsi): ...this.
10476 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10478 PR tree-optimization/26830
10480 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10481 (copy_prop_visit_stmt): Remove write-only variable ann.
10482 (init_copy_prop): Check variable loop depth here. Do not simulate
10483 memory-tag and virtual operand PHIs except for store copy prop.
10485 2006-03-30 Richard Guenther <rguenther@suse.de>
10487 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10488 variants with double arguments.
10490 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10492 * genpreds.c (write_tm_constrs_h): Delete variable p.
10493 * genconditions.c (write_header): Add tm-constrs.h to included
10495 * genpeep.c (main): Add toplev.h to included headers.
10496 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10497 (build/genpeep.o): Add toplev.h dependency.
10498 * config/rs6000/constraints.md: Add "W" constraint.
10500 2006-03-29 Roger Sayle <roger@eyesopen.com>
10502 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10503 sizes by correctly testing whether the size fits a host integer.
10504 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10505 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10506 SImode range for the default sizetype and bitsizetype.
10508 2006-03-29 Roger Sayle <roger@eyesopen.com>
10510 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10511 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10512 quickly if the argument is already of the correct type.
10513 Call fold_build1 instead of build1. Tidy up blank lines.
10515 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10517 * genemit.c (main): Add tm-constrs.h to included headers.
10518 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10519 * genpeep.c (main): Add tm-constrs.h to included headers.
10520 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10521 (write_tm_constrs_h): this and write complete file.
10522 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10523 (write_insn_preds_c): Add tm-constrs.h to included headers.
10524 (gen_constrs): New variable.
10525 (parse_option): Parse "-c".
10526 (main): Invoke write_tm_constrs_h.
10527 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10528 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10529 (object_out_file): Add tm-constrs.h dependency.
10530 (insn-emit.o): Same.
10531 (insn-output.o): Same.
10532 (insn-peep.o): Same.
10533 (insn-preds.o): Same.
10534 (insn-recog.o): Same.
10535 (tm-constsr.h): New target.
10536 (s-constrs-h): New target.
10538 * config/rs6000/constraints.md: New file.
10539 * config/rs6000/rs6000.c: Include tm-constrs.h.
10540 (num_insn_constant_wide): Convert to satisfies_constraint.
10541 (rs6000_rtx_costs): Convert to satisfies_constraint.
10542 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10543 (CONST_OK_FOR_LETTER_P): Delete.
10544 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10545 (EXTRA_CONSTRAINT): Delete.
10546 (EXTRA_MEMORY_CONSTRAINT): Delete.
10547 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10548 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10549 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10550 satisfies_constraint.
10552 * config/i386/i386.c: Include tm-constrs.h.
10554 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10556 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10557 * tree-data-ref.c (find_data_references_in_loop,
10558 compute_data_dependences_for_loop): Use pointers to VEC.
10559 (analyze_all_data_dependences): Adjust calls.
10560 * tree-data-ref.h (find_data_references_in_loop,
10561 compute_data_dependences_for_loop): Adjust declarations.
10562 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10563 compute_data_dependences_for_loop.
10565 2006-03-29 Paul Brook <paul@codesourcery.com>
10567 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10568 (movdf_vfp): Ditto.
10570 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10572 PR tree-optimization/26859
10573 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10575 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10576 for the step after fold_convert.
10578 2006-03-29 Paul Brook <paul@codesourcery.com>
10580 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10581 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10583 2006-03-29 Paul Brook <paul@codesourcery.com>
10585 PR middle-end/23623
10586 * targhooks.c (default_narrow_bitfield): New fuction.
10587 * targhooks.h (default_narrow_bitfield): add prototype.
10588 * target.h (gcc_target): Add narrow_volatile_bitfield.
10589 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10590 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10591 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10592 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10594 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10596 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10598 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10599 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10600 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10601 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10602 (s390_function_arg_float): Allow SDmode and DDmode values to be
10603 passed in floating point registers.
10604 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10605 check with SCALAR_FLOAT_MODE_P.
10606 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10608 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10610 PR tree-optimization/25985
10611 * tree-ssa-loop-niter.c (number_of_iterations_le,
10612 number_of_iterations_ne): Make comments more precise.
10613 (number_of_iterations_cond): Add only_exit argument. Use the
10614 fact that signed variables do not overflow only when only_exit
10616 (loop_only_exit_p): New.
10617 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10618 number_of_iterations_cond.
10620 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10622 PR tree-optimization/26643
10623 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10626 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10628 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10629 (divsi3_i4_int): Likewise.
10631 2006-03-28 Roger Sayle <roger@eyesopen.com>
10633 * expr.c (emit_group_store): Only create a new pseudo reg if the
10634 quantity it needs to hold isn't already a suitable pseudo.
10636 2006-03-28 Jeff Law <law@redhat.com>
10638 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10639 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10641 2006-03-28 Roger Sayle <roger@eyesopen.com>
10643 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10644 the equivalent ~X & Y, and the symmetry related transformations.
10645 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10646 ~X & Y, and symmetry related transforms.
10648 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10650 Revert my 2006-03-27 patches.
10652 2006-03-28 Roger Sayle <roger@eyesopen.com>
10654 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10655 ~(T1)X, when T1 and T2 are integer types of the same precision
10656 and (T2)X isn't an extension.
10658 2006-03-28 Jeff Law <law@redhat.com>
10660 PR tree-optimization/26796
10661 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10662 need EH edge cleanups rather than purging them immediately.
10663 (eliminate_degenerate_phis): Handle queued EH cleanups.
10665 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10667 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10670 2006-03-27 Roger Sayle <roger@eyesopen.com>
10672 PR middle-end/22524
10673 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10674 cast BIT_NOT_EXPR operand to the correct type.
10676 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10678 * tree-loop-linear.c: Don't include varray.h.
10679 (gather_interchange_stats, try_interchange_loops,
10680 linear_transform_loops): Use VEC instead of VARRAY.
10681 * lambda-mat.c: Don't include varray.h.
10682 * tree-chrec.c: Same.
10683 * lambda-trans.c: Same.
10684 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10685 VEC instead of VARRAY.
10686 * tree-vectorizer.h: Idem.
10687 * tree-data-ref.c (dump_data_references,
10688 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10689 initialize_data_dependence_relation, finalize_ddr_dependent,
10690 compute_all_dependences, find_data_references_in_loop,
10691 compute_data_dependences_for_loop, analyze_all_data_dependences,
10692 free_dependence_relation, free_dependence_relations,
10693 free_data_refs): Idem.
10694 * tree-data-ref.h (data_reference_p, subscript_p): New.
10695 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10696 VEC instead of VARRAY.
10697 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10698 (find_data_references_in_loop, compute_data_dependences_for_loop,
10699 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10700 dump_data_dependence_relations, free_dependence_relations,
10701 free_data_refs): Adjust declaration.
10702 (lambda_transform_legal_p): Move declaration here...
10703 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10704 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10705 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10706 vect_analyze_data_refs): Use VEC instead of VARRAY.
10707 * lambda.h (lambda_transform_legal_p): ...from here.
10708 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10709 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10710 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10711 tree-chrec.o): Don't depend on VARRAY_H.
10713 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10715 * rtl.def (Copyright): Update date.
10716 (DEPS_LIST): Change type of the second operand to 'int'.
10717 * target.h (Copyright): Update date.
10718 (struct gcc_target.speculate_insn): Change type of the second parameter
10720 * lists.c (Copyright): Update date.
10721 (alloc_DEPS_LIST): Change signature. Update reference to the second
10722 operand of the DEPS_LIST.
10723 (copy_DEPS_LIST_list): Update reference to the second operand of the
10725 * rtl.h (Copyright): Update date.
10726 (alloc_DEPS_LIST): Update signature.
10727 * sched-int.h (Copyright): Update date.
10728 (ds_t): Change typedef to 'int'.
10729 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10731 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10733 * haifa-sched.c (Copyright): Update date.
10734 (try_ready): Change condition to restore non-speculative pattern
10735 of the instruction.
10736 (process_insn_depend_be_in_spec): Code to keep probability of the
10737 speculative dependence non-decreasing.
10739 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10741 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10742 shut up the compiler.
10744 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10746 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10747 to use lib prefix for target.
10748 ($(T)libic_invalidate_array_4-200.a): Likewise.
10749 ($(T)libic_invalidate_array_4a.a): Likewise.
10751 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10752 J"orn Rennecke <joern.rennecke@st.com>
10754 * superh.opt: New file.
10755 * sh.c (boardtype, osruntime): Remove.
10756 * superh.h (SUBTARGET_OPTIONS): Remove.
10757 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10759 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10760 arguments with ^ and/or [].
10762 * config.gcc (sh-*-*): Add quoting to account for quirk of
10764 Replace == with = in enable_incomplete_targets test.
10766 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10767 with MASK_LITTLE_ENDIAN.
10769 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10770 * config/sh/sh.opt: Added to some comments.
10771 * config/sh/superh.h: Removed some chaff.
10773 * config/sh/sh.opt: Add m4-[1234]00* options.
10774 * config/sh/sh.c (sh_handle_option): Likewise.
10775 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10776 (ic_invalidate_array_4-100.o): New rule.
10777 ($(T)libic_invalidate_array_4-100.a): Likewise.
10778 (ic_invalidate_array_4-200.o): Likewise.
10779 ($(T)libic_invalidate_array_4-200.a): Likewise.
10780 (ic_invalidate_array_4a.o): Likewise.
10781 ($(T)libic_invalidate_array_4a.a): Likewise.
10782 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10783 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10785 * config/sh/crt1.asm: Merged in profiling code.
10786 * config/sh/superh.h (STARTFILE_SPEC): Override.
10787 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10788 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10789 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10791 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10792 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10793 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10795 * sh.opt (mpretend-cmove): New option.
10796 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10797 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10798 (movsicc): Add TARGET_PRETEND_CMOVE code.
10800 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10802 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10803 s390_class_max_nregs): New function prototypes.
10804 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10805 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10806 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10807 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10809 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10811 * dwarf2out.c (add_location_or_const_value_attribute): Call
10812 tree_add_const_value_attribute if nothing else works.
10813 (reference_to_unused): New.
10814 (rtl_for_decl_init): Use reference_to_unused to decide whether
10815 to output an initializer.
10817 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10820 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10821 peephole removing spe frob_di_df_2.
10823 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10825 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10826 (subscript_dependence_tester_1): Declared.
10827 (print_dir_vectors, print_dist_vectors): New.
10828 (debug_data_dependence_relation): New.
10829 (dump_data_dependence_relation): Print more details.
10830 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10831 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10832 (save_dist_v, save_dir_v, add_outer_distances,
10833 build_classic_dist_vector_1): New.
10834 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10835 Don't test for lambda_vector_lexico_pos.
10836 (same_access_functions, add_multivariate_self_dist,
10837 add_other_self_distances, dir_from_dist): New.
10838 (build_classic_dir_vector): Replace implementation almost identical to
10839 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10841 (subscript_dependence_tester_1): New.
10842 (subscript_dependence_tester): Handle the lexicographically negative
10843 distance vectors by recomputing the dependence relation.
10844 (compute_affine_dependence): Remove parameter loop_nest_depth.
10845 (compute_self_dependence): Don't call compute_subscript_distance.
10846 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10847 Add a parameter for the loop_nest.
10848 (find_loop_nest_1, find_loop_nest): New.
10849 (compute_data_dependences_for_loop): Compute the loop nest, and give
10850 up if the nest is not well formed.
10851 * tree-data-ref.h (loop_p): New.
10852 (struct data_dependence_relation): Replace size_vect field with
10853 loop_nest, a vec of loops.
10854 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10855 (DDR_LOOP_NEST): New.
10856 (print_dir_vectors, print_dist_vectors,
10857 debug_data_dependence_relation): Declared.
10858 (index_in_loop_nest): New.
10859 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10860 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10863 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10865 * simplify-rtx.c (simplify_relational_operation): Call
10866 simplify_relational_operation_1 even if mode is VOIDmode.
10868 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10870 PR tree-optimization/26804
10871 * tree.h (DECL_CALL_CLOBBERED): New macro.
10872 (tree_decl_common): Add call_clobbered_flag.
10873 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10874 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10875 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10876 (mark_non_addressable): Ditto.
10877 * tree-ssa.c (verify_call_clobbered): New function.
10878 (verify_alias_info): Use it.
10879 * tree-pass.h (pass_reset_cc_flags): New prototype.
10880 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10881 (reset_cc_flags): New function.
10882 * passes.c (init_optimization_passes): Call reset_cc_flags after
10883 initializing referenced_vars.
10885 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10886 Roger Sayle <roger@eyesopen.com>
10888 PR middle-end/26717
10889 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10890 to 1.0 for non-real operands. Implement A / A optimization for
10893 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10895 * config/i386/i386.c (size_cost): Correct the comment for
10896 cost of storing fp registers.
10897 (i386_cost): Likewise.
10898 (i486_cost): Likewise.
10899 (pentium_cost): Likewise.
10900 (pentiumpro_cost): Likewise.
10901 (k6_cost): Likewise.
10902 (athlon_cost): Likewise.
10903 (k8_cost): Likewise.
10904 (pentium4_cost): Likewise.
10905 (nocona_cost): Likewise.
10906 (generic64_cost): Likewise.
10907 (generic32_cost): Likewise.
10909 2006-03-24 Denis Chertykov <denisc@overta.ru>
10911 * config/avr/avr-protos.h (extra_constraint): Delete.
10912 (extra_constraint_Q): New declaration.
10913 * config/avr/constraints.md: New file.
10914 * config/avr/avr.md: Include it.
10915 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10916 (TMP_REGNO, ZERO_REGNO): Likewise.
10917 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10918 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10919 (extra_constraint): Delete.
10920 (extra_constraint_Q): Test for memory constraint 'Q'.
10921 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10922 (REG_CLASS_FROM_LETTER): Delete.
10923 (CONST_OK_FOR_LETTER_P): Delete.
10924 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10925 (EXTRA_CONSTRAINT): Delete.
10926 (TMP_REGNO): Delete.
10927 (ZERO_REGNO): Delete.
10929 2006-03-24 Jeff Law <law@redhat.com>
10931 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10932 directly. Call mark_new_vars_to_rename slightly earlier.
10934 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10936 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10937 (is_cxx): Likewise.
10938 (gen_compile_unit_die): Use new language types for Objective-C and
10940 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10941 DW_LANG_C_plus_plus.
10944 * config/t-darwin (crt3.o): Work around bug 26840.
10945 * config/darwin-crt3.c: Rewrite.
10946 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10948 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10950 * doc/invoke.texi: Document -femit-class-debug-always
10951 * common.opt: Add -femit-class-debug-always.
10953 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10955 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10956 index and base register.
10957 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10958 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10959 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10960 REGNO_OK_FOR_INDEX_P.
10961 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10963 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10964 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10965 REG_OK_FOR_BASE_P): Definitions removed.
10967 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10969 PR middle-end/26611
10970 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10971 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10972 set yet or weren't marked as local yet.
10974 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10976 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10979 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10981 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10982 (rs6000_legitimate_small_data_p): Delete.
10983 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10984 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10985 and make static. Add forward declaration. Update uses.
10986 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10987 of offsettable_memref_p.
10988 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10989 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10991 2006-03-24 Jeff Law <law@redhat.com>
10993 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10994 around bug in immediate-use iterator.
10996 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10999 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11000 or __LITTLE_ENDIAN__.
11002 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11004 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11005 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11006 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11007 * config/sh/sh.opt (mdiv=): Amend description.
11008 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11009 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11010 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11011 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11012 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11013 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11014 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11015 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11016 TARGET_DIVIDE_CALL_FP.
11018 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11020 * haifa-sched.c (choose_ready): Fix type of the local variable.
11021 Move local variables. Add comment.
11022 (check_reg_live): Change signature. Make callable from debugger.
11023 * sched-int.h (check_reg_live): Update signature.
11024 * sched-ebb.c (check_reg_live): Update parameters.
11025 * sched-rgn.c (check_reg_live): Ditto.
11026 (region_head_or_leaf_p): Check pointer before dereferencing.
11027 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11028 before reload on optimization levels below 1.
11030 2006-03-23 Richard Henderson <rth@redhat.com>
11032 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11036 * config/alpha/predicates.md (local_symbolic_operand): Reject
11039 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11042 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11043 expressions which have overflowed constants.
11045 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11047 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11049 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11051 * cfgloopmanip.c (create_loop_notes): Removed.
11052 * final.c (final_scan_insn): Do not handle loop notes.
11053 * jump.c (squeeze_notes): Ditto.
11054 * cfglayout.c (skip_insns_after_block,
11055 duplicate_insn_chain): Ditto.
11056 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11058 * cfgloop.h (create_loop_notes): Declaration removed.
11060 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11062 * varasm.c (output_constant_pool): Restore fnname and fndecl
11064 (assemble_start_function): Adjust call accordingly.
11065 (assemble_end_function): Likewise.
11067 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11070 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11073 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11075 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11078 * system.h (ICE_EXIT_CODE): New macro.
11079 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11080 (diagnostic_action_after_output): Likewise.
11081 * gcc.c (fatal_ice): New function.
11082 (execute): Use it instead of fatal.
11083 (fancy_abort): Likewise.
11084 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11086 2006-03-22 Jeff Law <law@redhat.com>
11088 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11089 iv_analyze_result returning false.
11091 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11093 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11095 2006-03-22 Richard Henderson <rth@redhat.com>
11097 PR middle-end/26084
11098 * except.c (duplicate_eh_regions_0): New.
11099 (duplicate_eh_region_1): Duplicate the children of the node as
11100 well as the node itself. Link them up properly.
11101 (duplicate_eh_region_2): Merge into ...
11102 (duplicate_eh_regions): ... here. Take copy_region argument, and
11103 copy only a sub-tree if asked. Simplify copying and fixup.
11104 (eh_region_outer_p): New.
11105 * except.h (duplicate_eh_regions): Update decl.
11106 (eh_region_outer_p): Declare.
11107 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11108 (lower_omp_master): Likewise.
11109 (lower_omp_ordered): Likewise.
11110 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11111 (move_stmt_r): Use it to remap labels. Handle recursion vs
11112 remap_decls_p properly.
11113 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11114 (find_outermost_region_in_block): New.
11115 (new_label_mapper): New.
11116 (move_sese_region_to_fn): Copy eh information to the new function
11118 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11120 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11123 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11125 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11126 into shared libraries.
11128 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11130 * doc/md.texi: Refer to i386/constraints.md instead of
11131 i386/predicates.md.
11132 * config/i386/constraints.md: New file, extracted from...
11133 * config/i386/predicates.md: ...here.
11134 * config/i386/i386.md: Include constraints.md.
11136 2006-03-21 Jason Merrill <jason@redhat.com>
11138 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11140 PR middle-end/20297
11141 * expr.c (init_block_move_fn): Force default visibility.
11142 (init_block_clear_fn): Likewise.
11143 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11144 * targhooks.c (default_external_stack_protect_fail): Likewise.
11146 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11148 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11149 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11150 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11151 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11152 (loadgp): Use mips_current_loadgp_style.
11153 (loadgp_noshared): New pattern.
11154 (sibcall_internal): Use MIPS_CALL.
11155 (sibcall_value_internal): Likewise.
11156 (sibcall_value_multiple_internal): Likewise.
11157 (call_internal): Likewise.
11158 (call_value_internal): Likewise.
11159 (call_value_multiple_internal): Likewise.
11160 (call_split): Use MIPS_CALL and add an 'S' constraint.
11161 (call_value_split): Likewise.
11162 (call_value_multiple_split): Likewise.
11163 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11164 (-mshared): New option.
11165 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11166 (mips_current_loadgp_style): Declare.
11167 * config/mips/mips.c (mips_classify_symbol): Avoid using
11168 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11169 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11170 TARGET_ABSOLUTE_ABICALLS.
11171 (override_options): Adjust comments. Improve the warning that is
11172 issued when -mabicalls and -G are used together.
11173 (mips_file_start): Remove comment.
11174 (mips_current_loadgp_style): New function.
11175 (mips_gnu_local_gp): New variable.
11176 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11178 (mips_output_function_prologue): Use mips_current_laodgp_style.
11179 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11180 the cprestore instruction.
11181 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11182 live for TARGET_ABSOLUTE_ABICALLS.
11183 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11184 (ASM_SPEC): Pass down -mshared and -mno-shared.
11185 (MIPS_CALL): New macro.
11186 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11188 * doc/invoke.texi (-mabicalls): Update documentation.
11189 (-mshared): Document.
11191 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11193 * config/ia64/unwind-hpux.c: New file.
11194 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11196 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11199 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11201 2006-03-21 Jeff Law <law@redhat.com>
11203 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11204 type conversions of a VR_VARYING source to a wider type.
11206 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11208 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11209 tm_file on Solaris 10 and later.
11210 (sparc64-*-solaris2*): Likewise.
11211 (sparc-*-solaris2*): Likewise.
11212 * config/sol26.h: Rename to config/sol2-6.h.
11213 * config/sol2-10.h: New file.
11215 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11218 * tree-ssa-pre.c (create_component_ref_by_pieces):
11221 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11224 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11225 return it immediately.
11227 2006-03-21 Michael Matz <matz@suse.de>
11229 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11231 (remove_arc, add_arc): Update num_out_arcs member.
11232 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11234 (cache_presence): New function.
11235 (compare_states_for_equiv): New function.
11236 (state_is_differed): Don't take number of outargs, adjust callers.
11237 Use new invariant for speeding up.
11238 (init_equiv_class): Create initial classes based on sorted
11240 (partition_equiv_class): Don't track out_arcs_num.
11241 (evaluate_equiv_classes): Call cache_presence on all states and
11244 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11246 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11247 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11248 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11249 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11251 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11252 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11253 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11254 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11255 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11257 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11258 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11259 (REGNO_REG_CLASS): ARGP is in PREGS.
11260 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11262 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11263 to deal with those addresses.
11264 * addresses.h: New file.
11265 * caller-save.c: Include "addresses.h".
11266 (init_caller_save): Use new base_reg_class function.
11267 * rtl-factoring.c: Include "addresses.h".
11268 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11269 * recog.c: Include "addresses.h".
11270 (preprocess_constraints): Use new base_reg_class function.
11271 * regrename.c: Include "addresses.h".
11272 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11273 functions. Keep track of a new var INDEX_CODE to compute valid
11275 (replace_oldest_value_addr): Likewise.
11276 (replace_oldest_value_mem): Use base_reg_class.
11277 * reload.c: Include "addresses.h".
11278 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11279 (find_reloads): Use new base_reg_class function.
11280 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11281 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11282 all callers and prototype changed.
11283 * reload1.c: Include "addresses.h".
11284 (maybe_fix_stack_asms): Use base_reg_class.
11285 * regclass.c: Include "addresses.h".
11286 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11287 (init_reg_autoinc): Use new base_reg_class function.
11288 (record_reg_classes): Likewise.
11289 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11290 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11291 Use new args to compute necessary class.
11293 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11294 regrename.o, rtl-factoring.o): Update dependencies.
11295 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11296 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11297 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11298 REG_OK_FOR_INDEX_P): Delete documentation.
11300 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11302 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11303 from V7 to V9 for Solaris 7 and above.
11305 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11307 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11308 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11309 argument pointers may not alias any other storage.
11310 * common.opt: Define option -fargument-noalias-anything.
11311 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11312 alias semantics is specified by flag_argument_noalias > 2.
11314 2006-03-20 Jeff Law <law@redhat.com>
11316 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11317 (pass_phi_only_cprop): Declare.
11318 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11319 with phi_only_cprop
11320 * tree-ssa-dom.c (degenerate_phi_result): New function.
11321 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11322 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11323 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11324 (eliminate_degenerate_phis): Likewise.
11325 (pass_phi_only_cprop): New pass descriptor.
11326 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11327 support code. Callers updated.
11328 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11329 (store_copy_prop): Likewise.
11330 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11332 2006-03-20 Jason Merrill <jason@redhat.com>
11335 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11336 (push_visibility, pop_visibility): Likewise.
11337 * c-pragma.h: Declare them.
11339 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11341 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11343 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11344 parameter and use get_ebb_head_tail.
11345 (sh_md_init_global): Adjust uses of find_regmode_weight.
11347 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11349 * function.h (struct function) <x_tail_recursion_reentry>:
11350 Rename to x_stack_check_probe_note.
11351 (tail_recursion_reentry): Rename to stack_check_probe_note.
11352 * function.c: Replace tail_recursion_reentry with
11353 stack_check_probe_note everywhere.
11354 (expand_function_start): Only emit a note for
11355 stack_check_probe_note with -fstack-protect.
11356 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11358 * emit-rtl.c (remove_unnecessary_notes): Remove.
11359 (pass_remove_unnecessary_notes): Remove.
11360 * rtl.h (remove_unnecessary_notes): Remove prototype.
11361 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11362 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11363 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11365 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11368 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11369 (valid_in_set): Handle ARRAY_REF.
11370 Change "if min_variant or VH" to asserts.
11371 (create_component_ref_by_pieces): Handle ARRAY_REF.
11372 (create_expression_by_pieces): Likewise.
11373 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11375 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11377 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11378 is operand of switch, not str[0].
11380 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11382 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11383 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11385 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11387 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11388 end of insn_extra_address_constraint declaration.
11390 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11392 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11393 (no-sum-in-toc): Same.
11394 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11396 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11397 NO_FP_IN_TOC for -fPIC instead of mask.
11399 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11400 (BOOT_LDFLAGS): Delete.
11402 * config/rs6000/t-aix52: Same.
11404 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11405 (stmsi[345678]_power): New.
11407 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11409 * config/ia64/ia64.opt: Add empty line to end of file.
11411 2006-03-17 Richard Guenther <rguenther@suse.de>
11413 PR middle-end/26721
11414 * builtins.c (get_pointer_alignment): For component style references
11415 adjust alignment to the component type alignment. Make sure
11416 to adjust alignment for component access of constants.
11418 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11420 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11421 unconditional jump.
11423 2006-03-17 Paul Brook <paul@codesourcery.com>
11425 * doc/install.texi: Docuemnt --with-mode.
11426 * config.gcc: Add --with-mode for arm*-*-*.
11427 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11429 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11431 * sh.c (max_labelno_before_reorg): New variable.
11432 (sh_reorg): Initialize it.
11433 (find_barrier): Check max_labelno_before_reorg before using
11434 label_to_alignment. Take length of explicit alignment insns
11435 into account. When seeing a UNSPECV_CONST_END, return it.
11437 * sh.c (fixup_mova): Set mode of affected label to QImode.
11438 (untangle_mova): New function.
11439 (find_barrier): Use it. Check mode of label before decrementing
11441 (sh_reorg): Likewise.
11442 Set mode of all insns back to VOIDmode.
11444 * sh.c (MOVA_LABELREF): New macro.
11445 (mova_p, fixup_mova, sh_reorg): Use it.
11446 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11447 ADDR_DIFF_VEC matches mova.
11449 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11451 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11452 with ATTRIBUTE_UNUSED.
11454 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11456 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11457 pointer, instead of assuming it is possible to derive the
11458 correct args size from a call insn.
11460 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11462 * rtl.h (CONST_INT_P): Define.
11463 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11464 instead of GET_CODE(x) == CONST_INT.
11465 (vax_rtx_costs): Likewise.
11466 (vax_output_int_move): Likewise.
11467 (vax_output_int_add): Likewise.
11468 (legitimate_constant_address_p): Likewise.
11469 (index_term_p): Likewise.
11470 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11471 * config/vax/vax.md (and<mode>3): Likewise.
11472 (ashrsi3): Likewise.
11474 (movstricthi): Likewise.
11475 (movstrictqi): Likewise.
11476 (rotrsi3): Likewise.
11477 (five unnamed insns): Likewise.
11479 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11481 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11482 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11483 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11484 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11485 Pass to ASM_OUTPUT_DWARF_OFFSET.
11486 * dwarf2out.c (debug_frame_section): New.
11487 (output_call_frame_info): Use debug_frame_section. Pass it to
11488 dw2_asm_output_offset.
11489 (output_die): Pass appropriate section to dw2_asm_output_offset.
11490 (output_compilation_unit_header): Likewise.
11491 (output_pubnames): Likewise.
11492 (output_aranges): Likewise.
11493 (enum dw_val_class): Break dw_val_class_lbl_offset into
11494 dw_val_class_lineptr and dw_val_class_macptr.
11495 (add_AT_lbl_offset): Delete.
11496 (add_AT_lineptr): New.
11497 (add_AT_macptr): New.
11498 (AT_lbl): Expect a lineptr or macptr.
11499 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11500 (attr_checksum): Likewise.
11501 (same_dw_val_p): Likewise.
11502 (size_of_die): Likewise.
11503 (value_format): Likewise.
11504 (output_die): Likewise.
11505 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11507 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11508 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11509 * config/darwin-protos.h (darwin_file_start): New.
11510 (darwin_asm_output_dwarf_offset): New.
11511 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11512 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11514 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11515 if not EH section; simplify.
11516 (darwin_file_start): New.
11517 (darwin_asm_output_dwarf_offset): New.
11518 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11520 (DEBUG_INFO_SECTION): Likewise.
11521 (DEBUG_ABBREV_SECTION): Likewise.
11522 (DEBUG_ARANGES_SECTION): Likewise.
11523 (DEBUG_MACINFO_SECTION): Likewise.
11524 (DEBUG_LINE_SECTION): Likewise.
11525 (DEBUG_LOC_SECTION): Likewise.
11526 (DEBUG_PUBNAMES_SECTION): Likewise.
11527 (DEBUG_STR_SECTION): Likewise.
11528 (DEBUG_RANGES_SECTION): Likewise.
11529 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11530 (ASM_OUTPUT_DWARF_OFFSET): New.
11532 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11534 * config.gcc (tm_defines): Always add to previous value rather
11537 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11539 * config/mips/predicates.md (splittable_const_int_operand): New,
11540 split from move_operand.
11541 (splittable_symbolic_operand): New.
11542 (move_operand): Add commentary. Use splittable_const_int_operand.
11543 Inline mips_atomic_symbolic_constant_p.
11544 * config/mips/mips.md: Add combine splitters for handling moves
11545 of splittable_const_int_operands and splittable_symbolic_operands.
11546 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11547 (mips_split_symbol): Declare.
11548 (mips_move_integer): Declare.
11549 * config/mips/mips.c (mips_split_p): Make global.
11550 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11551 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11552 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11553 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11554 (mips_offset_within_object_p): Handle block symbols.
11555 (mips_atomic_symbolic_constant_p): Delete.
11556 (mips_cannot_force_const_mem): Return false for constants that
11557 mips_legitimize_move can handle.
11558 (mips_use_blocks_for_constant_p): New function.
11559 (mips_split_symbol): Make global.
11560 (mips_move_integer): Likewise. Add a temporary register argument.
11561 (mips_legitimize_const_move): Use splittable_const_int_operand and
11562 splittable_symbolic_operand.
11563 (mips_use_anchors_for_symbol_p): New function.
11564 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11565 (mips_split_p): Declare.
11567 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11569 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11570 (mips*-*-linux*): Likewise.
11572 2006-03-16 Roger Sayle <roger@eyesopen.com>
11573 Daniel Speyer <dspeyer@wam.umd.edu>
11575 PR middle-end/18259
11576 * tree-dump.c (dump_real): New function.
11577 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11578 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11579 (tree-dump.o): Add $(REAL_H) to the dependencies.
11581 2006-03-16 Roger Sayle <roger@eyesopen.com>
11583 PR middle-end/21781
11584 * real.c (real_from_string): If the mantissa is zero, don't bother
11585 parsing the exponent as the result should always be zero.
11587 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11589 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11591 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11593 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11594 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11595 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11596 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11597 ia64_sched_finish_global): New static functions to implement
11598 hooks from gcc_target.sched.
11599 (spec_check_no, max_uid, pending_data_specs): New static variables.
11600 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11601 ia64_spec_check_src_p): New static functions.
11602 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11603 (TARGET_SCHED_ADJUST_COST): Removed.
11604 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11605 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11606 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11607 TARGET_SCHED_GEN_CHECK,
11608 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11609 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11610 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11611 Fixed to handle speculation checks.
11612 (rtx_needs_barrier): Fixed to handle speculative loads and
11614 (ia64_variable_issue): Added code to count speculative loads and their
11616 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11618 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11620 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11622 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11623 (ia64_reorg): Reset stops_p to NULL after it is freed.
11624 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11625 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11626 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11628 (data_speculative, control_speculative, check_load): New attributes.
11629 (mov<mode>_advanced, mov<mode>_speculative,
11630 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11631 zero_extend<mode>di2_speculative,
11632 zero_extend<mode>di2_speculative_advanced): New patterns for
11633 data and control speculative loads.
11634 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11636 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11637 New pattern for data and control speculation checks.
11638 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11639 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11640 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11641 Auxiliary definitions for the patterns.
11642 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11643 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11645 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11647 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11648 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11649 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11650 New resource constraints.
11651 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11653 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11654 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11655 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11656 msched-in-control-spec, msched-ldc, msched-control-ldc,
11657 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11658 msched-prefer-non-control-spec-insns,
11659 msched-count-spec-in-critical-path): New flags to tune speculative
11661 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11662 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11663 msched-in-control-spec, msched-ldc, msched-control-ldc,
11664 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11665 msched-prefer-non-control-spec-insns,
11666 msched-count-spec-in-critical-path): Document new flags.
11668 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11670 * target.h (struct spec_info_def): New opaque declaration.
11671 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11672 speculate_insn, needs_block_p, gen_check,
11673 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11674 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11675 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11676 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11677 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11678 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11680 (TARGET_SCHED): Use new macros.
11681 * rtl.h (copy_DEPS_LIST_list): New prototype.
11682 * sched-int.h (struct sched_info): Change signature of new_ready field,
11683 adjust all initializations. New fields: add_remove_insn,
11684 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11685 region_head_or_leaf_p.
11686 (struct spec_info_def): New structure declaration.
11687 (spec_info_t): New typedef.
11688 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11689 recovery_block, orig_pat.
11690 (glat_start, glat_end): New variables declaraions.
11691 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11693 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11694 DETACH_LIFE_INFO, USE_GLAT.
11695 (enum SPEC_SCHED_FLAGS): New enumeration.
11696 (NOTE_NOTE_BB_P): New macro.
11697 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11698 attach_life_info, debug_spec_status, check_reg_live): New functions.
11699 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11700 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11702 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11703 * ddg.c (get_block_head_tail): Adjust all uses.
11704 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11705 (sms_sched_info): Initialize new fields.
11706 (contributes_to_priority): Removed.
11707 * haifa-sched.c (params.h): New include.
11708 (get_block_head_tail): Adjust all uses.
11709 (ISSUE_POINTS): New macro.
11710 (glat_start, glat_end): New global variables.
11711 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11712 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11713 old_last_basic_block, before_recovery, current_sched_info_var,
11714 rgn_n_insns, luid): New static variables.
11715 (insn_cost1): New function. Move logic from insn_cost to here.
11716 (find_insn_reg_weight1): New function. Move logic from
11717 find_insn_reg_weight to here.
11718 (reemit_notes, move_insn, max_issue): Change signature.
11719 (move_insn1): Removed.
11720 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11721 extend_bb): New static functions to support extension of scheduler's
11723 (generate_recovery_code, process_insn_depend_be_in_spec,
11724 begin_speculative_block, add_to_speculative_block,
11725 init_before_recovery, create_recovery_block, create_check_block_twin,
11726 fix_recovery_deps): New static functions to support
11727 generation of recovery code.
11728 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11729 restore_bb_notes, move_block_after_check, move_succs): New static
11730 functions to support ebb scheduling.
11731 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11732 functions to support handling of register live information.
11733 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11734 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11735 add_jump_dependencies): New static functions.
11736 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11737 consistancy checking.
11738 (debug_spec_status): New function to call from debugger.
11739 (priority): Added code to handle speculation checks.
11740 (rank_for_schedule): Added code to distinguish speculative instructions.
11741 (schedule_insn): Added code to handle speculation checks.
11742 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11743 Fixed to handle ebbs.
11744 (move_insn): Added code to handle ebb scheduling.
11745 (max_issue): Added code to use ISSUE_POINTS of instructions.
11746 (choose_ready): Added code to choose between speculative and
11747 non-speculative instructions.
11748 (schedule_block): Added code to handle ebb scheduling and scheduling of
11749 speculative instructions.
11750 (sched_init): Initialize new variables.
11751 (sched_finish): Free new variables. Print statistics.
11752 (try_ready): Added code to handle speculative instructions.
11753 * lists.c (copy_DEPS_LIST_list): New function.
11754 * sched-deps.c (extend_dependency_caches): New function. Move logic
11755 from create_dependency_caches to here.
11756 (get_dep_weak, ds_merge): Make global.
11757 * genattr.c (main): Code to output prototype for
11758 dfa_clear_single_insn_cache.
11759 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11760 (output_dfa_clean_insn_cache_func): Code to output
11761 dfa_clear_single_insn_cache function.
11762 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11764 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11766 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11767 New static variables.
11768 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11769 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11771 (ebb_sched_info): Initialize new fields.
11772 (get_block_head_tail): Adjust all uses.
11773 (compute_jump_reg_dependencies): Fixed to use glat_start.
11774 (schedule_ebb): Code to remove unreachable last block.
11775 (schedule_ebbs): Added code to update register live information.
11776 * sched-rgn.c (region_sched_info): Initialize new fields.
11777 (get_block_head_tail): Adjust all uses.
11778 (last_was_jump): Removed. Adjust users.
11779 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11780 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11781 Implement new hooks.
11782 (check_dead_notes1): New static function.
11783 (struct region): New fields: dont_calc_deps, has_real_ebb.
11784 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11785 (BB_TO_BLOCK): Fixed to handle EBBs.
11786 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11787 (ebb_head): New static variable.
11788 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11789 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11791 (compute_dom_prob_ps): New assertion.
11792 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11793 global_live_at_start.
11794 (init_ready_list): New assertions.
11795 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11796 (new_ready): Add support for BEGIN_CONTROL speculation.
11797 (schedule_insns): Fixed code that updates register live information
11799 (schedule_region): Fixed to handle EBBs.
11800 (init_regions): Use extend_regions and check_dead_notes1.
11801 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11802 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11803 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11804 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11805 TARGET_SCHED_GEN_CHECK,
11806 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11807 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11808 * doc/invoke.texi (max-sched-insn-conflict-delay,
11809 sched-spec-prob-cutoff): Document.
11811 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11813 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11814 inter_tick, queue_index.
11815 (struct sched_info): Change signature of init_ready_list field.
11816 Adjust all initializations.
11817 (RESOLVED_DEPS): New access macro.
11818 (ready_add): Remove prototype.
11819 (try_ready): Add prototype.
11820 * sched-rgn.c (init_ready_list): Use try_ready.
11821 (schedule_region): Initialize
11822 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11823 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11824 (init_ready_list): Use try_ready.
11825 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11826 * lists.c (remove_list_elem): Remove `static'.
11827 (remove_free_INSN_LIST_elem): New function.
11828 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11829 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11830 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11832 (readyp): New variable.
11833 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11834 change_queue_index, resolve_dep): New static functions.
11835 (try_ready): New function. Adjust callers in sched-rgn.c and
11836 sched-ebb.c to use it instead of ready_add.
11837 (clock_var): Move at the begining of file.
11838 (rank_for_schedule): Fix typo.
11839 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11840 (ready_lastpos): Enforce assertion.
11841 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11842 update all callers.
11843 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11844 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11845 (queue_to_ready): Use free_INSN_LIST_list.
11846 (early_queue_to_ready): Fix typo.
11847 (schedule_block): Init readyp. Move init_ready_list call after the
11848 initialization of clock_var. Fix error in rejecting insn by
11849 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11850 that previously corrected INSN_TICKs. Add code for handling
11852 (set_priorities): Fix typo.
11853 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11854 Clarify comment and code that keeps current_sched_info->next_tail
11857 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11859 * sched-rgn.c (extend_rgns): New static function.
11860 (find_rgns): Use it.
11861 (gather_region_statistics, print_region_statistics): New static
11863 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11864 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11866 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11867 Andrey Belevantsev <abel@ispras.ru>
11869 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11870 * lists.c (unused_deps_list): New variable.
11871 (free_list): Add assertions to verify the proper distinguishing
11872 between INSN_LISTs and DEPS_LISTs.
11873 (find_list_elem, remove_list_elem, remove_list_node): New static
11875 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11876 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11877 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11878 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11880 (free_INSN_LIST_node): Likewise.
11881 * modulo-sched.c (current_sched_info): Initialize flags field.
11882 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11883 * rtl.def (DEPS_LIST): Define.
11884 * rtl.h: Declare new functions from lists.c.
11885 * sched-deps.c (spec_dependency_cache): New static variable.
11886 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11887 (add_dependence): Change return type to void. Move the logic to ...
11888 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11889 (delete_all_dependences): Add comment about forward_dependency_cache.
11890 Handle spec_dependency_cache. Handle DEPS_LISTs.
11891 (fixup_sched_groups): Clarify the change of priority of output
11892 and anti dependencies.
11893 (sched_analyze_2): Adjust add_dependence calls to create data
11894 speculative dependence.
11895 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11896 Adjust all callers. Handle DEPS_LISTS.
11897 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11898 presence of speculation.
11899 (init_dependency_caches, free_dependency_caches):
11900 Handle spec_dependency_cache.
11901 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11902 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11903 New static functions.
11904 (add_or_update_back_dep, add_or_update_back_forw_dep,
11905 add_back_forw_dep, delete_back_forw_dep): New functions.
11906 * sched-int.h (ds_t, dw_t): New typedefs.
11907 (struct sched_info): Add new field flags.
11908 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11909 Prototype new sched-deps.c functions.
11910 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11911 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11912 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11913 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11914 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11915 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11917 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11919 * sched-rgn.c (current_sched_info): Initialize flags field.
11920 (schedule_insns): Initialize current_sched_info before the sched_init
11922 * sched-ebb.c (current_sched_info): Initialize flags field.
11923 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11924 Call add_or_update_back_dep instead of add_dependence.
11925 Create control speculative dependencies.
11926 (schedule_insns): Initialize current_sched_info before the sched_init
11929 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11931 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11933 (sh_fallback_frame_state): Likewise.
11935 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11937 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11938 Do switch on default_use_cxa_atexit.
11939 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11940 * config/darwin-crt3.o: New.
11941 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11942 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11943 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11945 * config/rs6000/t-darwin: Move crt2.o building to here.
11946 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11947 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11950 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11952 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11953 from '! xxx' to '!xxx' for coding-style conformance.
11954 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11955 (EXTRA_CONSTRAINT): Likewise.
11956 * config/vax/vax.md (four unnamed insns): Likewise.
11958 2006-03-15 Paul Brook <paul@codesourcery.com>
11960 * config/arm/arm.c (minipool_pad): New.
11961 (add_minipool_forward_ref): Include pool alignment padding in address
11963 (push_minipool_fix): Set minipool_pad.
11964 (minipool_pad): Ditto.
11966 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11968 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11969 instead of GET_CODE() == MEM and REG_P() instead of
11971 (print_operand_address): Likewise.
11972 (vax_address_cost): Likewise.
11973 (vax_rtx_costs): Likewise.
11974 (vax_notice_update_cc): Likewise.
11975 (vax_output_int_add): Likewise.
11976 (INDEX_REGISTER_P): Likewise.
11977 (BASE_REGISTER_P): Likewise.
11978 (nonindexed_address_p): Likewise.
11979 (vax_mode_dependent_address_p): Likewise.
11980 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11981 (PRINT_OPERAND): Likewise.
11982 * config/vax/vax.md (ashlsi3): Likewise.
11983 (ashlsi3): Likewise.
11984 (some more unnamed insns): Likewise.
11986 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11988 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11989 iterator-style macro.
11990 (mark_control_dependent_edges_necessary): Update the use of
11991 EXECUTE_IF_CONTROL_DEPENDENT.
11993 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11995 * config/sh/predicates.md (cache_address_operand): Special.
11996 (ua_address_operand): Likewise.
11998 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12000 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12002 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12004 2006-03-15 Andreas Schwab <schwab@suse.de>
12006 * gensupport.c (identify_predicable_attribute): Don't free p_false
12007 when it is still in use.
12009 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12011 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12012 the default setting here.
12014 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12016 * tree-pass.h (pass_cfg): Remove.
12017 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12018 * passes.c (pass_cfg): Don't run it.
12020 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12022 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12023 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12025 (stack_regs_mentioned): Update the uses of
12026 stack_regs_mentioned_data. Don't access the array beyond its
12028 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12029 Don't include gt-reg-stack.h.
12031 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12032 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12034 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12036 PR middle-end/26684
12037 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12040 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12042 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12044 2006-03-14 Richard Guenther <rguenther@suse.de>
12046 PR tree-optimization/26672
12047 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12050 2006-03-14 Richard Guenther <rguenther@suse.de>
12052 PR tree-optimization/26667
12053 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12054 node for the callees. Always allow inlining if it will shrink
12057 2006-03-14 Richard Guenther <rguenther@suse.de>
12059 PR middle-end/26659
12060 * builtins.c (get_pointer_alignment): Prefer alignment
12061 information from decls over that from types.
12063 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12066 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12068 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12070 * config/rs6000/rs6000.opt (mdlmzb): New option.
12071 (msched-prolog, msched-epilog): Use Var not Mask.
12072 * doc/invoke.texi (-mdlmzb): Document.
12073 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12075 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12076 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12078 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12080 PR rtl-optimization/25739
12081 * bt-load.c (augment_live_range): Free tos pointer.
12083 * gensupport.c (identify_predicable_attribute): Free
12085 * gcov.c (create_file_names): Free name pointer.
12087 2006-03-13 Roger Sayle <roger@eyesopen.com>
12089 PR middle-end/26557
12090 * stmt.c (emit_case_nodes): Handle the case where the index is a
12091 CONST_INT, where the comparison mode is specified by the index type.
12093 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12095 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12098 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12100 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12101 (*branch_fp_inverted): Likewise.
12103 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12105 PR middle-end/25989
12106 * omp-low.c (expand_omp_for_generic): Mark istart0
12107 and iend0 as addressable.
12109 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12111 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12113 2006-03-13 Jeff Law <law@redhat.com>
12115 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12116 virtual operands are interesting.
12117 (vrp_visit_stmt): Corresponding changes.
12119 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12121 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12123 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12124 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12125 * config/bfin/crti.S: Use it instead of __PIC__.
12126 * config/bfin/crtn.S: Likewise.
12128 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12129 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12131 Lose 'G' modifier for call operand.
12132 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12133 recognize 'G' modifier.
12135 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12137 PR middle-end/18859
12138 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12139 * stmt.c (expand_case): Likewise.
12141 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12143 PR rtl-optimization/26254
12144 * loop-invariant.c (seq_insns_valid_p): New function.
12145 (move_invariant_reg): Only emit new code if it is valid.
12147 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12149 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12151 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12152 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12153 (commit_one_edge_insertion): Do not look for loop notes.
12155 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12157 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12158 flag_test_coverage out of loop.
12160 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12162 * final.c (shorten_branches): Remove outdated comment, and turn
12163 the if branch that guards it to continue.
12165 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12167 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12168 * cfgloop.h (struct loop): Remove unused fields.
12170 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12172 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12173 (-dL, -fdump-rtl-loop2): Update the dump file names
12175 * doc/invoke.texi: Update dump file names.
12177 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12179 * predict.c (estimate_probability): Remove.
12180 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12181 * basic-block.h (estimate_probability): Remove prototype.
12182 * passes.c (finish_optimization_passes): Dump branch prediction or
12183 profiling heuristics to the .profile tree dump.
12184 (init_optimization_passes): Unqueue pass_branch_prob.
12186 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12188 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12190 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12191 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12193 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12195 * function.h (frame_offset_overflow): Declare.
12196 * function.c (frame_offset_overflow): New function.
12197 (assign_stack_local_1): Call it to detect that the offset overflows.
12198 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12200 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12202 * config/sh/sh.c: Include alloc-pool.h.
12203 (label_ref_list_pool): New alloc pool.
12204 (label_ref_list_t): New type for lists of labels.
12205 (struct pool_node): Make wend a label_ref_list_t.
12206 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12208 (dump_table): Likewise.
12209 (sh_reorg): Set up the alloc pool before using add_constant and
12210 dump_table, and destroy it when finishing.
12212 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12214 * config/mips/mips.c: Remove redundant comment.
12216 2006-03-10 Jason Merrill <jason@redhat.com>
12219 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12220 the target was declared 'register'.
12222 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12224 * genpreds.c (write_insn_constraint_len): Change definition of
12225 insn_constraint_len to return size_t to match the declaration.
12227 2006-03-10 DJ Delorie <dj@redhat.com>
12229 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12231 (m32c_expand_insv): Fix test for an AND mask.
12233 2006-03-10 Richard Guenther <rguenther@suse.de>
12235 PR middle-end/26565
12236 * builtins.c (get_pointer_alignment): Handle component
12237 references for field alignment.
12239 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12241 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12242 when building with libgloss.
12243 (sh*elf): Implement --without-fp option.
12244 (sh64-superh-linux*): Don't multilib.
12246 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12248 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12250 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12252 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12253 Set it when one of the replacement functions returned true.
12254 Return TODO_cleanup_cfg if cfgchanged is true.
12255 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12257 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12259 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12260 instead of gen_lowpart.
12262 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12264 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12266 (mips_output_order_conditional_branch): Declare.
12267 * config/mips/mips.h (MIPS_BRANCH): New macro.
12268 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12269 for the comparison. Use gen_condjump.
12270 (mips_output_conditional_branch): Rework interface to take the
12271 asm templates for a direct branch and the inverse of a direct branch.
12272 (mips_output_order_conditional_branch): New function.
12273 (mips_builtin_branch_and_move): New function.
12274 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12275 branch condition. Use gen_single_cc as the condition for
12276 __builtin_mips_upper_* or __builtin_mips_lower_*.
12277 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12278 Use VOIDmode for the branch condition.
12279 * config/mips/predicates.md (order_operator): New predicate.
12280 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12281 (branch_fp): Rename to...
12282 (*branch_fp): ...this. Remove mode from comparison operator.
12283 Use new mips_output_conditional_branch interface.
12284 (branch_fp_inverted): Rename to...
12285 (*branch_fp_inverted): ...this and update as for *branch_fp.
12286 (*branch_zero<mode>): Rename to...
12287 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12288 Use mips_output_order_conditional_branch. Only accept ordered
12290 (*branch_zero<mode>_inverted): Rename to...
12291 (*branch_order<mode>_inverted): ...this and update as for
12292 *branch_order<mode>.
12293 (*branch_equality<mode>): Accept zero as the second operand to
12294 the equality operator. Use the new mips_output_conditional_branch
12296 (*branch_equality<mode>_inverted): Likewise.
12297 (condjump): New expander.
12298 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12300 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12301 (bc1any2t, bc1any2f): Likewise.
12302 (single_cc): New expander.
12303 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12305 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12307 * doc/md.texi: Update documentation of MIPS constraints.
12308 * config/mips/constraints.md: New file.
12309 * config/mips/mips.md: Include it.
12310 * config/mips/mips.c (mips_char_to_class): Delete.
12311 (override_options): Don't initialize mips_char_to_class.
12312 * config/mips/mips.h (mips_char_to_class): Delete.
12313 (REG_CLASS_FROM_LETTER): Delete.
12314 (CONST_OK_FOR_LETTER_P): Delete.
12315 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12316 (EXTRA_CONSTRAINT_Y): Delete.
12317 (EXTRA_CONSTRAINT_STR): Delete.
12318 (CONSTRAINT_LEN): Delete.
12319 (EXTRA_MEMORY_CONSTRAINT): Delete.
12321 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12323 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12324 original fn's eh regions.
12326 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12328 * fold-const.c (build_range_check): Make sure to use a valid type to
12329 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12332 (range_predecessor): New static function.
12333 (range_successor): Likewise.
12334 (merge_ranges): Use them to compute predecessors and successors of
12337 2006-03-09 Roger Sayle <roger@eyesopen.com>
12339 PR middle-end/26561
12340 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12341 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12343 2006-03-08 DJ Delorie <dj@redhat.com>
12345 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12346 (addpsi3): Expand to include memory operands. Remove
12347 reload-specific splits.
12348 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12349 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12350 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12351 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12352 (shift1_qi, shift1_hi, insv): New.
12353 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12354 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12355 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12357 * config/m32c/m32c-protos.h: Update as needed.
12358 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12359 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12360 Fail for unrecognized R* constraints.
12361 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12362 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12363 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12365 (m32c_init_libfuncs): New.
12366 (m32c_legitimate_address_p): Add debug wrapper.
12367 (m32c_rtx_costs): New.
12368 (m32c_address_cost): New.
12369 (conversions): Add 'B' prefix.
12370 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12371 operands, or word regnames for QI operands. 'B' prints bit
12373 (m32c_expand_setmemhi): New.
12374 (m32c_expand_movmemhi): New.
12375 (m32c_expand_movstr): New.
12376 (m32c_expand_cmpstr): New.
12377 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12378 (m32c_expand_neg_mulpsi3): Handle non-ints.
12379 (m32c_cmp_flg_0): New.
12380 (m32c_expand_movcc): New.
12381 (m32c_expand_insv): New.
12382 (m32c_scc_pattern): New.
12383 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12384 a0/a1 out of SIregs.
12385 (STORE_FLAG_VALUE): New.
12386 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12389 * config/m32c/mov.md: Make constraints more liberal.
12390 (zero_extendqihi2): Optimize r0/r1 case.
12391 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12392 * config/m32c/predicates.md (m32c_any_operand): New.
12393 (m32c_nonimmediate_operand): New.
12394 (m32c_hl_operand): New.
12395 (m32c_r3_operand): New.
12398 (memsym_operand): New.
12399 (memimmed_operand): New.
12400 (a_qi_operand): New.
12401 (m32c_eqne_operator): New.
12402 (m32c_1bit8_operand): New.
12403 (m32c_1bit16_operand): New.
12404 (m32c_1mask8_operand): New.
12405 (m32c_1mask16_operand): New.
12406 * config/m32c/blkmov.md: New file.
12407 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12409 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12411 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12412 unsigned to fix signed/unsigned comparison issue in
12413 DWARF2_FRAME_REG_OUT.
12414 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12415 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12417 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12418 of ptr into the ENABLE_CHECKING section.
12420 2006-03-08 Jeff Law <law@redhat.com>
12422 * tree-vrp.c (infer_value_range): Only count pointer uses
12423 and dereferences if -fdelete-null-pointer-checks is enabled.
12425 * tree-vrp.c (find_assert_locations): Infer value ranges for
12426 single use pointers, but do not create ASSERT_EXPRs for them.
12427 When a non-null range is inferred for a pointer, backwards
12428 propagate that range to other equivalent pointers through the
12431 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12434 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12435 language hook targets.
12436 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12437 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12438 if language hook targets were missing.
12440 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12442 * tree-ssa-opfinalize.h: Removed.
12443 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12445 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12446 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12447 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12448 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12449 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12450 finalize_ssa_v_must_def_ops): New.
12452 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12454 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12455 block as parameter.
12457 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12459 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12461 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12462 addresses with offsets; reorganize.
12464 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12465 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12466 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12468 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12471 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12473 2006-03-08 Ben Elliston <bje@au.ibm.com>
12475 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12477 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12480 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12483 2006-03-07 Richard Guenther <rguenther@suse.de>
12485 PR tree-optimization/26587
12486 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12488 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12490 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12492 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12494 * hooks.c (hook_bool_mode_rtx_true): New function.
12495 * hooks.h (hook_bool_mode_rtx_true): Declare.
12496 * toplev.c (compile_file): Call output_shared_constant_pool.
12497 * varasm.c (shared_constant_pool): New variable.
12498 (assemble_start_function, assemble_end_function): Remove arguments
12499 from call to output_constant_pool.
12500 (create_constant_pool): New function, split out from...
12501 (init_varasm_status): ...here.
12502 (force_const_mem): Choose between the shared and per-function constant
12503 pools. Set current_function_uses_const_pool when reusing old entries
12504 as well as when creating new ones.
12505 (mark_constant): Ignore data argument.
12506 (mark_constants): Remove pool argument.
12507 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12508 to decide whether the function uses a constant pool.
12509 (output_constant_pool_contents): New function, split out from...
12510 (output_constant_pool): ...here.
12511 (output_shared_constant_pool): New function.
12512 (init_varasm_once): Initialize shared_constant_pool.
12513 * output.h (output_constant_pool): Delete.
12514 (output_shared_constant_pool): Declare.
12515 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12516 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12518 2006-03-06 Nick Clifton <nickc@redhat.com>
12520 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12521 flag_strength_reduce.
12523 2006-03-06 Ben Elliston <bje@au.ibm.com>
12525 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12526 x86_64-*-linux* configurations.
12528 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12529 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12531 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12533 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12535 * basic-block.h: Remove the extern for
12536 rediscover_loops_after_threading.
12538 * cfgloop.c (cancel_loop): Make it static.
12539 * cfgloop.h: Remove the prototype for cancel_loop.
12541 * flow.c (recompute_reg_usage): Make it static.
12542 * rtl.h: Remove the prototype for recompute_reg_usage.
12544 * function.c (use_return_register): Make it static.
12545 * function.h: Remove the prototype.
12547 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12549 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12551 * recog.h: Remove the prototype for
12552 validate_change_maybe_volatile.
12554 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12556 * rtlanal.c (replace_reg): Remove.
12557 * rtl.h: Remove the prototype for replace_reg.
12559 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12561 * regclass.c (reg_scan_update): Remove.
12562 (reg_scan_mark_refs): Remove the last argument.
12563 * rtl.h: Remove the prototype for reg_scan_update.
12565 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12567 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12568 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12569 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12570 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12571 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12572 loop-invariant.c, omp-low.c, opts.c, passes.c,
12573 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12574 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12575 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12576 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12577 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12578 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12580 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12582 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12583 * dwarf2out.h: Remove the prototype for
12584 dwarf2out_add_library_unit_info.
12586 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12588 * tree.c (add_var_to_bind_expr): Remove.
12589 * tree.h: Remove the prototype for add_var_to_bind_expr.
12591 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12593 * regclass.c (n_non_fixed_regs): Remove.
12594 (init_reg_sets_1, globalize_reg): Remove all uses of
12596 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12598 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12600 * rtlanal.c (insns_safe_to_move_p): Remove.
12601 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12603 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12605 * expmed.c (expand_mult_add): Remove.
12606 * expr.h: Remove the prototype for expand_mult_add.
12608 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12610 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12611 and REG_SAVED_VAL_EXP constants.
12612 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12613 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12614 Handle regs stored by value.
12615 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12616 (execute_cfa_program): Handle DW_CFA_val_offset,
12617 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12618 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12619 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12620 (uw_install_context_1): Handle target regs stored by value.
12622 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12624 * tree-sra.c (tree_sra): Return todoflags;
12625 (generate_one_element): Set TODO_update_smt_usage if needed.
12626 (pass_sra): Remove TODO_update_smt_usage.
12627 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12629 (tree_ssa_forward_propagate_single_use_vars): Return
12630 TODO_update_smt_usage if we need to update SMT usage.
12631 (pass_forwprop): Remove TODO_update_smt_usage.
12633 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12635 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12636 (correct_use_link): Remove reference to get_stmt_operands.
12637 (update_stmt_operands): Likewise.
12638 (get_modify_expr_operands): New function factored out of
12639 parse_ssa_operands and get_expr_operands.
12640 Try to create V_MUST_DEFs for LHS by default.
12641 (get_expr_operands) <case MODIFY_EXPR>: Call
12642 get_modify_expr_operands.
12643 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12644 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12645 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12646 get_modify_expr_operands.
12648 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12650 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12651 * tree-flow.h: Remove the prototype for
12652 referenced_var_lookup_if_exists.
12654 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12656 PR rtl-optimization/26345
12658 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12660 2006-03-03 Roger Sayle <roger@eyesopen.com>
12662 PR tree-optimization/26524
12663 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12664 fold_convert to create a constant of the appropriate type.
12666 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12668 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12669 SYMBOL_REF_IN_BLOCK_P.
12670 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12671 of SYMBOL_FLAG_IN_BLOCK.
12672 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12673 instead of SYMBOL_REF_IN_BLOCK_P.
12674 * explow.c (use_anchored_address): Likewise.
12675 * rtl.c (rtx_size): Likewise.
12676 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12677 instead of SYMBOL_FLAG_IN_BLOCK.
12678 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12679 SYMBOL_REF_IN_BLOCK_P.
12680 (assemble_variable): Likewise.
12681 (output_constant_def_contents): Likewise.
12682 (output_constant_pool): Likewise.
12683 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12684 instead of SYMBOL_FLAG_IN_BLOCK.
12685 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12686 SYMBOL_REF_IN_BLOCK_P.
12687 (SYMBOL_REF_BLOCK): Likewise.
12688 (SYMBOL_REF_OFFSET): Likewise.
12689 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12690 SYMBOL_REF_IN_BLOCK_P.
12691 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12692 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12693 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12694 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12696 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12698 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12700 2006-03-02 Roger Sayle <roger@eyesopen.com>
12702 * simplify-rtx.c (simplify_unary_operation): When simplifying
12703 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12704 that we perform the right shift in the appropriate mode, and
12705 then extend or truncate the result to requested mode.
12707 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12709 * gengtype.c (main): Handle double_int type.
12710 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12711 * double-int.c: New file.
12712 * double-int.h: New file.
12713 * system.h: Include doubleint.h.
12714 * Makefile.in (SYSTEM_H): Include double-int.h.
12715 (double-int.o): Add.
12717 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12720 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12723 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12725 * tree-vrp.c (remove_range_assertions): Do not update statements
12728 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12730 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12732 * gcse.c (rest_of_handle_gcse): Ditto.
12733 * except.c (gate_handle_eh): Ditto.
12734 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12735 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12737 2006-03-02 Eric Christopher <echristo@apple.com>
12739 * config/i386/i386.c (machopic_output_stub): Add indirection to
12742 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12746 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12748 Sun Niagara specific optimizations.
12749 * config.gcc: Recognize niagara as target.
12750 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12751 (TARGET_CPU_niagara): Define.
12752 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12753 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12754 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12755 (ASM_CPU_SPEC): Likewise.
12756 (PROCESSOR_NIAGARA): New enum entry.
12757 (REGISTER_MOVE_COST): Handle Niagara.
12758 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12759 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12760 (sparc_override_options): Recognize "niagara", set appropriate
12761 default MASK_* values for it, and align functions to 32-bytes
12762 by default just like ULTRASPARC/ULTRASPARC3.
12763 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12764 (sparc64_initialize_trampoline): Likewise.
12765 (sparc_use_sched_lookahead): Use zero for niagara.
12766 (sparc_issue_rate): Use one for niagara.
12767 * config/sparc/niagara.md: New file.
12768 * config/sparc/sparc.md: Include it.
12769 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12770 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12771 when default cpu is niagara.
12772 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12773 (ASM_CPU_SPEC): Likewise.
12774 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12775 when default cpu is niagara.
12776 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12777 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12778 just like v9/ultrasparc/ultrasparc3.
12779 * doc/invoke.texi: Add documentation for "niagara" and improve
12780 existing documentation for ultrasparc variants.
12782 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12784 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12786 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12788 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12789 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12790 and say that only one is needed.
12791 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12792 * target.h (have_switchable_bss_sections): New hook.
12793 * explow.c (use_anchored_address): Check that the symbol is in a block.
12794 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12795 (bss_noswitch_section): New variables.
12796 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12797 (get_noswitch_section): New function.
12798 (get_block_for_section): Allow SECT to be null.
12799 (unlikely_text_section_p): Use SECTION_STYLE.
12800 (bss_initializer_p): New function.
12801 (get_variable_section): Move earlier in file. Take a new argument,
12802 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12803 Return one of the new *_sections in such cases.
12804 (get_block_for_decl): New function, extracting some logic from
12805 use_blocks_for_decl_p.
12806 (change_symbol_section): Remove in favor of...
12807 (change_symbol_block): ...this new function.
12808 (use_blocks_for_decl_p): Remove checks now performed by
12809 get_block_for_decl.
12810 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12811 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12812 (emit_local, emit_bss, emit_common): ...these new functions.
12813 Return true if the alignment was honored.
12814 (emit_tls_common): New function.
12815 (asm_emit_uninitialised): Delete.
12816 (assemble_variable_noswitch): New function, split out from...
12817 (assemble_variable): ...here. Don't make decisions about common
12818 variables here. Globalize all public decls that go into non-common
12819 sections. Check whether SYMBOL_REF_BLOCK is null.
12820 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12821 (output_constant_pool): Likewise.
12822 (init_varasm_once): Initialize the new section variables.
12823 (have_global_bss_p): New function.
12824 (categorize_decl_for_section): Use bss_initializer_p.
12825 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12826 (place_block_symbol): Assert that the symbol must be in a block.
12827 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12828 (TARGET_INITIALIZER): Include it.
12829 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12830 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12831 (SECTION_MACH_DEP): Bump by two.
12832 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12833 (unnamed_section): Mention SECTION_UNNAMED in comment.
12834 (named_section): Likewise SECTION_NAMED.
12835 (noswitch_section_callback): New type.
12836 (noswitch_section): New structure.
12837 (section): Add a noswitch_section alternative.
12838 (SECTION_STYLE): New macro.
12839 (tls_comm_section, comm_section, lcomm_section): Declare.
12840 (bss_noswitch_section, have_global_bss_p): Declare.
12841 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12842 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12844 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12845 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12848 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12850 * tree-vrp.c (execute_vrp): Return value.
12851 * regrename.c (rest_of_handle_regrename): Ditto.
12852 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12853 * tree-complex.c (tree_lower_complex): Ditto.
12854 (tree_lower_complex_O0): Ditto.
12855 * tracer.c (rest_of_handle_tracer): Ditto.
12856 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12857 * postreload.c (rest_of_handle_postreload): Ditto.
12858 * tree-tailcall.c (execute_tail_recursion): Ditto.
12859 (execute_tail_calls): Ditto.
12860 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12861 * tree.h (init_function_for_compilation): Ditto.
12862 * ipa-cp.c (ipcp_driver): Ditto.
12863 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12864 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12865 * final.c (compute_alignments): Ditto.
12866 (rest_of_handle_final): Ditto.
12867 (rest_of_handle_shorten_branches): Ditto.
12868 (rest_of_clean_state): Ditto.
12869 * omp-low.c (execute_expand_omp): Ditto.
12870 (execute_lower_omp): Ditto.
12871 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12872 * ipa-reference.c (static_execute): Ditto.
12873 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12874 * reorg.c (rest_of_handle_delay_slots): Ditto.
12875 (rest_of_handle_machine_reorg): Ditto.
12876 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12877 * flow.c (recompute_reg_usage): Ditto.
12878 (rest_of_handle_remove_death_notes): Ditto.
12879 (rest_of_handle_life): Ditto.
12880 (rest_of_handle_flow2): Ditto.
12881 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12882 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12883 (do_ssa_store_ccp): Ditto.
12884 (execute_fold_all_builtins): Ditto.
12885 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12886 * modulo-sched.c (rest_of_handle_sms): Ditto.
12887 * ipa-pure-const.c (static_execute): Ditto.
12888 * cse.c (rest_of_handle_cse): Ditto.
12889 (rest_of_handle_cse2): Ditto.
12890 * web.c (rest_of_handle_web): Ditto.
12891 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12892 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12893 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12894 * tree-nrv.c (tree_nrv): Ditto.
12895 (execute_return_slot_opt): Ditto.
12896 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12897 (create_structure_vars): Ditto.
12898 * loop-init.c (rtl_loop_init): Ditto.
12899 (rtl_loop_done): Ditto.
12900 (rtl_move_loop_invariants): Ditto.
12901 (rtl_unswitch): Ditto.
12902 (rtl_unroll_and_peel_loops): Ditto.
12903 (rtl_doloop): Ditto.
12904 * gimple-low.c (lower_function_body): Ditto.
12905 (mark_used_blocks): Ditto.
12906 * tree-ssa-sink.c (execute_sink_code): Ditto.
12907 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12908 (cgraph_early_inlining): Ditto.
12909 * global.c (rest_of_handle_global_alloc): Ditto.
12910 * jump.c (cleanup_barriers): Ditto.
12911 (purge_line_number_notes): Ditto.
12912 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12913 (rest_of_handle_if_after_reload): Ditto.
12914 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12915 (tree_ssa_loop_im): Ditto.
12916 (tree_ssa_loop_unswitch): Ditto.
12917 (tree_vectorize): Ditto.
12918 (tree_linear_transform): Ditto.
12919 (tree_ssa_loop_ivcanon): Ditto.
12920 (tree_ssa_empty_loop): Ditto.
12921 (tree_ssa_loop_bounds): Ditto.
12922 (tree_complete_unroll): Ditto.
12923 (tree_ssa_loop_prefetch): Ditto.
12924 (tree_ssa_loop_ivopts): Ditto.
12925 (tree_ssa_loop_done): Ditto.
12926 * predict.c (tree_estimate_probability): Ditto.
12927 * recog.c (split_all_insns_noflow): Ditto.
12928 (rest_of_handle_peephole2): Ditto.
12929 (rest_of_handle_split_all_insns): Ditto.
12930 * tree-eh.c (lower_eh_constructs): Ditto.
12931 * regmove.c (rest_of_handle_regmove): Ditto.
12932 (rest_of_handle_stack_adjustments): Ditto.
12933 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12934 * function.c (instantiate_virtual_regs): Ditto.
12935 (init_function_for_compilation): Ditto.
12936 (rest_of_handle_check_leaf_regs): Ditto.
12937 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12938 (rest_of_handle_gcse): Ditto.
12939 * ipa-type-escape.c (type_escape_execute): Ditto.
12940 * alias.c (rest_of_handle_cfg): Ditto.
12941 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12942 * profile.c (rest_of_handle_branch_prob): Ditto.
12943 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12944 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12945 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12946 * tree-dfa.c (find_referenced_vars): Ditto.
12947 * except.c (set_nothrow_function_flags): Ditto.
12948 (convert_to_eh_region_ranges): Ditto.
12949 (rest_of_handle_eh): Ditto.
12950 * emit-rtl.c (unshare_all_rtl): Ditto.
12951 (remove_unnecessary_notes): Ditto.
12952 * except.h (set_nothrow_function_flags): Ditto.
12953 (convert_to_eh_region_ranges): Ditto.
12954 * cfgexpand.c (tree_expand_cfg): Ditto.
12955 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12956 * tree-ssa-pre.c (do_pre): Ditto.
12957 (execute_fre): Ditto.
12958 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12959 (rest_of_handle_jump2): Ditto.
12960 * tree-sra.c (tree_sra): Ditto.
12961 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12962 (execute_mudflap_function_decls): Ditto.
12963 * tree-ssa-copy.c (do_copy_prop): Ditto.
12964 (do_store_copy_prop): Ditto.
12965 * ipa-prop.h (ipcp_driver): Ditto.
12966 * cfglayout.c (insn_locators_initialize): Ditto.
12967 * tree-ssa-forwprop.c
12968 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12969 * cfglayout.h (insn_locators_initialize): Ditto.
12970 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12971 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12972 (execute_late_warn_uninitialized): Ditto.
12973 * rtl.h (cleanup_barriers): Ditto.
12974 (split_all_insns_noflow): Ditto.
12975 (purge_line_number_notes): Ditto.
12976 (unshare_all_rtl): Ditto.
12977 (remove_unnecessary_notes): Ditto.
12978 (recompute_reg_usage): Ditto.
12979 (variable_tracking_main): Ditto.
12980 * integrate.c (emit_initial_value_sets): Ditto.
12981 * integrate.h (emit_initial_value_sets): Ditto.
12982 * tree-optimize.c (execute_free_datastructures): Ditto
12983 (execute_free_cfg_annotations): Ditto.
12984 (execute_fixup_cfg): Ditto.
12985 (execute_cleanup_cfg_pre_ipa): Ditto.
12986 (execute_cleanup_cfg_post_optimizing): Ditto.
12987 (execute_init_datastructures): Ditto.
12988 * tree-object-size.c (compute_object_sizes): Ditto.
12989 * combine.c (rest_of_handle_combine): Ditto.
12990 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12991 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12992 (rest_of_handle_reorder_blocks): Ditto.
12993 (rest_of_handle_partition_blocks): Ditto.
12994 * var-tracking.c (variable_tracking_main): Ditto.
12995 * tree-profile.c (tree_profiling): Ditto.
12996 * tree-vect-generic.c (expand_vector_operations): Ditto.
12997 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12998 * sched-rgn.c (rest_of_handle_sched): Ditto.
12999 (rest_of_handle_sched2): Ditto.
13000 * basic-block.h (free_bb_insn): Ditto.
13001 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13002 * tree-cfg.c (execute_build_cfg): Ditto.
13003 (remove_useless_stmts): Ditto.
13004 (split_critical_edges): Ditto.
13005 (execute_warn_function_return): Ditto.
13006 (execute_warn_function_noreturn): Ditto.
13007 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13008 * cfgrtl.c (free_bb_for_insn): Ditto.
13009 * passes.c (execute_one_pass): Run additional
13010 todos returned by execute function.
13011 * tree-pass.h (struct tree_opt_pass): Make execute
13014 2006-03-02 Richard Guenther <rguenther@suse.de>
13016 * tree-ssa-alias.c (find_used_portions): Consider taking
13017 the address as making the variable not write-only.
13019 2006-03-02 Nick Clifton <nickc@redhat.com>
13021 * config.gcc (default_use_cxa_atexit): Extend the description of
13022 this configure variable. Set its default value to "yes" for
13023 Linux, NetBSD and ELF targets on the assumption that they will
13024 use C libraries with the __cxa_atexit function.
13026 2006-03-02 Ben Elliston <bje@au.ibm.com>
13028 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13029 parameter as unused to suppress a build warning.
13031 2006-03-02 Ben Elliston <bje@au.ibm.com>
13033 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13036 2006-03-01 Roger Sayle <roger@eyesopen.com>
13039 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13040 declared name, the weak reference name, and the typeof name.
13041 (__gthrw): Avoid expanding the declared name suffix.
13042 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13044 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13046 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13048 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13049 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13050 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13051 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13052 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13053 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13054 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13055 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13056 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13057 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13058 (DW_END_default, DW_END_big, DW_END_little): New.
13059 (DW_END_lo_user, DW_END_hi_user): Define.
13060 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13061 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13062 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13065 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13067 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13069 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13071 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13073 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13075 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13076 to 'symbol_mem_tag'.
13078 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13081 2006-03-01 Roger Sayle <roger@eyesopen.com>
13083 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13085 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13088 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13089 MACHO_DYNAMIC_NO_PIC_P.
13090 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13092 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13095 * config/darwin-protos.h (darwin_asm_output_anchor):
13097 * config/darwin-sections.def (cstring_section):
13098 Add SECTION_MERGE to the flags.
13099 (literal4_section): Likewise.
13100 (literal8_section): Likewise.
13101 (objc_selector_refs_section): Likewise.
13102 (objc_cls_refs_section): Likewise.
13103 * config/darwin.c (darwin_asm_output_anchor): New
13105 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13107 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13109 Fix PR tree-optimization/26443
13110 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13111 to todo and PROP_tmt_usage to properties_destroyed.
13112 * tree-ssa-ccp.c (pass_ccp): Ditto.
13113 (pass_store_ccp): Ditto.
13114 * tree-ssa-dom.c (pass_dominator): Ditto.
13116 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13118 * tree-ssa-operands.c: Cleanup whitespace.
13119 (get_asm_expr_operands): Move before first invocation.
13120 (get_indirect_ref_operands): Likewise.
13121 (get_tmr_operands): Likewise.
13122 (get_call_expr_operands): Likewise.
13123 (append_def): Likewise.
13124 (append_use): Likewise.
13125 (append_v_may_def): Likewise.
13126 (append_v_must_def): Likewise.
13127 (add_call_clobber_ops): Likewise.
13128 (add_call_read_ops): Likewise.
13129 (add_stmt_operand): Likewise.
13130 (add_virtual_operand): Likewise.
13131 (build_ssa_operands): Likewise.
13133 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13135 PR middle-end/26022
13137 PR middle-end/24437
13138 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13139 with a call expr to ...
13140 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13142 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13144 * tree-vrp.c (extract_range_from_assert): Remove special
13145 handling for types with super-types.
13147 2006-03-01 Ben Elliston <bje@au.ibm.com>
13149 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13150 and powerpc64-*-linux* configurations.
13151 * config/t-dfprules: New file.
13153 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13154 Compile dfp-bit.c from the source directory using -DWIDTH and
13155 $DFP_CFLAGS to control the compilation of that file, rather than
13156 generating width-specific versions in the build directory.
13157 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13158 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13160 2006-02-28 Zack Weinberg <zackw@panix.com>
13162 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13165 2006-02-28 Eric Christopher <echristo@apple.com>
13167 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13168 Set up IN_LIBGCC definition of TARGET_64BIT.
13169 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13171 2006-02-28 Roger Sayle <roger@eyesopen.com>
13173 PR middle-end/14752
13174 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13175 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13176 cases via the construction of "expr != 0".
13178 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13180 * alias.c (alias_invariant, alias_invariant_size): Remove.
13181 (record_base_value): Remove.
13182 (memrefs_conflict_p): Don't look at alias_invariant.
13183 (end_alias_analysis): Don't free it.
13184 * alias.h (record_base_value): Remove prototype.
13186 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13187 Adam Nemet <anemet@caviumnetworks.com>
13189 * rtl.h (truncated_to_mode): Declare it.
13190 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13191 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13192 (RTL_HOOKS_INITIALIZER): Include it.
13193 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13194 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13195 reg_truncated_to_mode.
13196 * rtlanal.c (truncated_to_mode): Define it.
13197 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13199 2006-02-28 Jeff Law <law@redhat.com>
13201 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13202 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13203 the range allowed by TYPE_PRECISION.
13205 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13207 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13209 PR tree-optimization/26419
13210 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13213 2006-02-27 Zack Weinberg <zackw@panix.com>
13215 * doc/md.texi: Fix typo in previous change.
13217 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13221 2006-02-27 Zack Weinberg <zackw@panix.com>
13223 * rtl.def (define_constraint, define_register_constraint)
13224 (define_memory_constraint, define_address_constraint): New MD forms.
13225 * gensupport.c (process_rtx): Put define_constraint etc on the
13227 * genpreds.c (process_define_predicate): Adjust comment. Validate
13228 the name, and call validate_exp to validate the expression.
13229 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13230 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13231 all callers changed.
13232 (validate_exp, needs_variable, struct constraint_data)
13233 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13234 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13235 (const_dbl_constraints, constraint_max_namelen)
13236 (have_register_constraints, have_memory_constraints)
13237 (have_address_constraints, have_address_constraints)
13238 (have_extra_constraints, have_const_int_constraints)
13239 (have_const_dbl_constraints, mangle, add_constraint)
13240 (process_define_constraint, process_define_register_constraint)
13241 (write_enum_constraint_num, write_lookup_constraint)
13242 (write_insn_constraint_len, write_regclass_for_constraint)
13243 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13244 (write_insn_extra_memory_constraint)
13245 (write_insn_extra_address_constraint)
13246 (write_satisfies_constraint_fns): New.
13247 (write_tm_preds_h): If we have new-style constraint definitions,
13248 prototype the functions generated from them, and define the
13249 old constraint interface (still used by generic code) in terms of
13251 (write_insn_preds_c): If we have new-style constraint definitions,
13252 generate all relevant functions from those definitions.
13253 (main): Handle define_constraint etc.
13254 * genoutput.c (struct constraint_data, indep_constraints)
13255 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13256 (mdep_constraint_len): New data structures and functions, defined
13257 #ifdef USE_MD_CONSTRAINTS.
13258 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13259 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13260 use new logic to validate operand constraints against constraint
13262 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13264 * defaults.h: If none of the old-style constraint macros are
13265 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13266 old-style macros; and poison REG_CLASS_FROM_LETTER,
13267 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13269 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13270 * doc/md.texi: Document new constraint-definition mechanism and the
13271 C interface it provides. Remove references to old mechanism
13272 elsewhere in the document.
13273 (Machine Constraints): Use pathnames relative to gcc directory,
13274 i.e. config/ARCH/FILE. Change i386 section to refer to
13275 config/i386/predicates.md; update that section to match docstrings.
13276 * doc/tm.texi: Move all documentation of the old constraint-
13277 definition macros to their own section, clearly mark as obsolete.
13279 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13280 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13282 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13283 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13284 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13285 constraint strings.
13286 (splits and peepholes): Use satisfies_constraint_*.
13287 * config/i386/i386.c (memory_address_length)
13288 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13290 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13292 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13293 scalar operation to be put back into the loop.
13295 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13298 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13299 (extract_cie_info): Handle S flag in augmentation string.
13300 (execute_cfa_program): If context->signal_frame, execute also
13301 fs->pc == context->ra instructions.
13302 (uw_frame_state_for): If context->signal_frame, don't subtract one
13303 from context->ra to find FDE.
13304 (uw_update_context_1): Set context->signal_frame to
13306 (_Unwind_GetIPInfo): New function.
13307 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13308 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13310 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13311 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13312 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13313 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13314 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13315 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13316 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13317 x86_64_fallback_frame_state): Set fs->signal_frame.
13318 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13319 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13320 (frob_update_context): Likewise. Workaround missing S flag in
13321 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13322 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13323 Remove the psw_addr + 1 hack.
13325 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13327 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13328 with aggregates here.
13329 (find_func_aliases): Remove code for &<aggregate> from here.
13331 2006-02-26 Roger Sayle <roger@eyesopen.com>
13333 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13334 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13335 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13336 as (X & C) ne/eq 0.
13338 2006-02-26 Roger Sayle <roger@eyesopen.com>
13340 PR middle-end/19983
13341 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13343 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13345 * opts.c (decode_options): Do not handle flag_strength_reduce.
13346 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13347 and OPT_fstrength_reduce.
13348 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13349 flag_prefetch_loop_arrays for being nonzero.
13350 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13352 (fprefetch-loop-arrays-rtl): Removed.
13353 (flag_prefetch_loop_arrays): Do not specify the value.
13355 * doc/passes.texi: Update documentation of loop optimizer
13357 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13358 -frerun-loop-opt): Remove.
13360 2006-02-26 Richard Guenther <rguenther@suse.de>
13362 PR tree-optimization/26421
13363 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13364 in function calls that are ADDR_EXPRs as using the whole structure.
13366 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13368 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13369 * tree-pass.h (pass_loop_optimize): Remove.
13370 * passes.c (pass_loop_optimize): Never run it.
13371 * toplev.c (backend_init): Don't call init_loop.
13372 * opts.c (flag_loop_optimize_set): Remove.
13373 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13374 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13375 the old RTL loop optimizer when profiling enabled.
13376 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13377 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13378 pre-headers for the sake of the old RTL loop optimizer.
13379 * Makefile.in: Remove all references to loop.o.
13381 * doc/invoke.texi: Remove all references to -floop-optimize
13382 and -frerun-loop-opt.
13384 2006-02-26 Zack Weinberg <zackw@panix.com>
13386 * doc/md.texi (Machine Constraints): Refer to all files with paths
13387 relative to gcc directory (i.e. config/CPU/file). Add missing
13388 @table @code ... @end table to M32C subsection.
13390 2006-02-26 Roger Sayle <roger@eyesopen.com>
13392 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13394 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13396 2006-02-26 Roger Sayle <roger@eyesopen.com>
13397 James A. Morrison <phython@gcc.gnu.org>
13399 PR middle-end/21137
13400 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13401 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13402 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13403 signedness of the shift operation.
13405 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13407 PR tree-optimization/26359
13408 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13410 2006-02-25 Roger Sayle <roger@eyesopen.com>
13412 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13413 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13414 as X == 0, and some symmetry related transformations.
13415 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13417 2006-02-25 Roger Sayle <roger@eyesopen.com>
13419 PR middle-end/23673
13420 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13421 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13422 symmetry related transformations. Fold (X^C1) == C2 as
13425 2006-02-25 Juergen Weigert <jw@suse.de>
13426 Richard Guenther <rguenther@suse.de>
13428 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13430 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13432 * combine.c (gen_lowpart_or_truncate): Call
13433 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13435 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13437 * doc/invoke.texi: Move -fopenmp description to "Options for
13439 Remove reference to -lgomp.
13441 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13443 * doc/install.texi: Require GNU tar version 1.14.
13445 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13447 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13448 * doc/invoke.texi (C++ Dialect Options): Document
13449 -fno-use-cxa-get-exception-ptr.
13450 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13451 * configure: Regenerate.
13452 * c.opt (fuse-cxa-get-exception-ptr): New.
13453 * c-opts.c (c_common_handle_option): Handle
13454 OPT_fuse_cxa_get_exception_ptr.
13455 * c-common.c (flag_use_cxa_atexit): Update documentation.
13456 (flag_use_cxa_get_exception_ptr): New.
13457 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13458 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13460 (C_COMMON_OVERRIDE_OPTIONS): New.
13462 2006-02-24 Roger Sayle <roger@eyesopen.com>
13464 PR middle-end/24952
13465 * combine.c (try_combine): Explicitly check whether GET_CODE is
13466 a SET or a CLOBBER, instead on checking that it isn't a USE.
13468 2006-02-24 Roger Sayle <roger@eyesopen.com>
13470 * fold-const.c (fold_comparison): New subroutine of fold_binary
13471 containing transformations common to both the equality and
13472 ordering relational operators, factored out of fold_binary.
13473 (fold_binary): Separate out the equality operators (EQ_EXPR
13474 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13475 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13476 transformations common to both.
13477 (fold_div_compare): Fix latent bugs in the previously unreachable
13478 LT_EXPR and GE_EXPR cases.
13480 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13482 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13483 decl libname for clog to __clog on AIX.
13485 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13487 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13490 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13491 output traceback table for thunks. Localise rs6000_stack_info call.
13493 2006-02-23 Roger Sayle <roger@eyesopen.com>
13494 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13496 * gthr-posix.h (__gthrw): Fix typo in comment.
13498 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13500 * doc/cpp.texi (Character sets): Document that we do support
13501 input files to be in any character set.
13503 2006-02-23 Jeff Law <law@redhat.com>
13505 * tree.h (PHI_ARG_NONZERO): Remove.
13506 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13507 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13508 node to the new node.
13510 PR tree-optimization/26425
13511 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13512 min/max, then assume its varying.
13514 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13516 PR rtl-optimization/26316
13517 * rtlanal.c (enum may_trap_p_flags): New.
13518 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13519 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13520 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13521 (may_trap_after_code_motion_p): New function.
13522 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13523 (find_invariant_insn): Use may_trap_after_code_motion_p.
13524 * rtl.h (may_trap_after_code_motion_p): Declare.
13526 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13528 * emit-rtl.c (immed_double_const): Cleanup.
13530 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13532 Fix PR tree-optimization/26376
13533 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13536 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13538 PR middle-end/26412
13539 * gimplify.c (omp_add_variable): Guard variable size decl test with
13540 DECL_SIZE (decl) check.
13542 2006-02-23 Richard Guenther <rguenther@suse.de>
13544 PR middle-end/26439
13545 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13546 like aggregate types.
13548 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13550 * configure.ac: Add --with{,out}-long-double-128 configure option.
13551 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13552 * configure: Rebuilt.
13553 * config.in: Rebuilt.
13554 * doc/install.texi (Options specification): Document
13555 --with-long-double-128.
13557 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13558 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13559 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13560 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13562 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13564 * config/s390/s390.c (override_options): Handle
13565 TARGET_DEFAULT_LONG_DOUBLE_128.
13567 * config/alpha/alpha.c (override_options): Handle
13568 TARGET_DEFAULT_LONG_DOUBLE_128.
13570 * config/sparc/sparc.c (sparc_override_options): Handle
13571 TARGET_DEFAULT_LONG_DOUBLE_128.
13573 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13575 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13576 (real-install-headers-tar, real-install-headers-cpio)
13577 (real-install-headers-cp): New targets.
13579 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13581 * tree.h (variable_section): Delete.
13582 * varasm.c (variable_section): Delete.
13584 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13586 * install.texi: Add notes on install.texi2html.
13587 (Building in parallel): Do not use footnotes.
13589 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13592 * doc/install.texi (Configuration): Document --disable-libgomp.
13594 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13596 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13598 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13600 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13601 (vec_extractv2df_0_sse): New.
13603 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13605 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13606 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13607 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13608 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13609 to the result of the expression.
13610 (def_cfa_1): Adjust.
13611 (frame_pointer_cfa_offset): Rename to...
13612 (frame_pointer_fb_offset): ... this. Adjust all uses.
13613 (convert_cfa_to_loc_list): Rename to...
13614 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13615 Pass it on to build_cfa_loc.
13616 (compute_frame_pointer_to_cfa_displacement): Rename to...
13617 (compute_frame_pointer_to_fb_displacement): ... this. New
13618 offset parameter. Use it in computation.
13619 (gen_subprogram_die): Compute cfa_fb_offset with the new
13620 macro, and use it to compute the fb loc list and the
13623 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13625 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13626 replaced with register_operand.
13627 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13628 non-DREG is expensive.
13629 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13630 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13633 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13635 * doc/install.texi2html: Use set -e.
13637 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13639 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13640 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13641 * doc/invoke.texi (-fshared-data): Delete.
13642 * common.opt (fshared-data): Delete.
13643 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13644 (assemble_static_space): Remove #if 0 code.
13645 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13646 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13647 * config/cris/cris.h: Remove FIXME.
13649 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13651 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13654 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13656 PR middle-end/26379
13657 * combine.c (simplify_shift_const_1): Disable nested shifts
13658 optimization for vector shifts.
13660 2006-02-20 Roger Sayle <roger@eyesopen.com>
13662 PR tree-optimization/26361
13663 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13664 of unsigned integer types.
13666 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13668 * tree-chrec.c (eq_evolutions_p): New.
13669 * tree-chrec.h (eq_evolutions_p): Declared.
13670 * tree-data-ref.c: Fix formatting.
13671 (datadep_stats, dependence_stats): New.
13673 (print_direction_vector): New.
13674 (dump_data_dependence_relation): Use print_direction_vector.
13675 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13676 (compute_subscript_distance): Static.
13677 (initialize_data_dependence_relation): Static. Get the number
13678 of loops surrounding the references from the callers, and initialize
13679 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13680 base_object_differ_p analyzers.
13681 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13682 compute_overlap_steps_for_affine_1_2,
13683 analyze_subscript_affine_affine): Count the classified dependences.
13684 Print a message when a test failed.
13685 (can_use_analyze_subscript_affine_affine): New.
13686 (analyze_siv_subscript): Compute the data dependences on symbolic
13687 scevs that verify can_use_analyze_subscript_affine_affine.
13688 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13689 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13690 Handle symbolic scevs.
13691 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13693 (subscript_dependence_tester): Moved...
13694 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13695 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13696 DDR_SIZE_VECT instead of getting it in parameter.
13697 (subscript_dependence_tester): ... here. Take as a parameter
13698 loop_nest_depth. Call build_classic_dist_vector and
13699 build_classic_dir_vector.
13700 (compute_affine_dependence): Update subscript_dependence_tester
13701 parameters. Update datadep_stats counters. Call
13702 compute_subscript_distance.
13703 (compute_self_dependence): Save the dist and dir vectors. Call
13704 compute_subscript_distance.
13705 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13706 (compute_all_dependences): Reorder parameters as they were before
13707 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13708 compute_subscript_distance. Update the use of
13709 compute_affine_dependence and initialize_data_dependence_relation.
13710 (find_data_references_in_loop): Handle COMPONENT_REF.
13711 (compute_data_dependences_for_loop): Initialize dependence_stats.
13712 Don't call build_classic_dist_vector and build_classic_dir_vector.
13713 Update the parameters of initialize_data_dependence_relation and
13714 compute_all_dependences. Print the statistics from datadep_stats.
13715 (analyze_all_data_dependences): Static. Not used until the pass for
13716 checking the data dependences is contributed.
13717 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13718 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13719 (initialize_data_dependence_relation, compute_affine_dependence,
13720 analyze_all_data_dependences, compute_subscript_distance): Removed.
13721 (print_direction_vector): New.
13722 * lambda.h (gcd): ... here.
13723 (lambda_vector_gcd): Moved here from gcd_vector.
13724 * lambda-code.c (gcd, gcd_vector): Removed.
13725 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13726 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13728 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13730 * ipa-type-escape.c: Tidy some comments and white space.
13731 * tree-ssa-operands.c: Likewise.
13733 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13736 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13737 (dump_decl_name): Do not walk the decl tree chains.
13738 * tree-pass.h (TDF_CHAIN): Remove.
13740 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13742 * Makefile.in (C): Remove
13744 (.PHONY): Remove C and PROTO
13746 2006-02-20 Roger Sayle <roger@eyesopen.com>
13748 PR middle-end/26236
13749 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13750 deprecated CHAR_TYPE tree code.
13752 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13754 * configure.ac (target_list): Add install-info, dvi, html.
13755 * configure: Regenerate.
13757 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13758 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13759 treelang/Make-lang.in: Do not use double-colon rules.
13761 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13763 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13764 (TMT_USED_ALONE): New macro.
13765 * tree-pass.h (PROP_tmt_usage): New property.
13766 (TODO_update_tmt_usage): New todo.
13767 * tree-ssa-alias.c (updating_used_alone): New variable.
13768 (recalculate_used_alone): New function.
13769 (compute_may_aliases): Set updating_used_alone, call
13770 recalculate_used_alone.
13771 * tree-sra.c (pass_sra): Note that this pass destroys
13772 PROP_tmt_usage, and add TODO_update_tmt_usage.
13773 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13774 * tree-flow.h (updating_used_alone): Prototype.
13775 (recalculate_used_alone): Ditto.
13776 * passes.c (execute_todo): Add code to set updating_used_alone,
13777 and call recalculate.
13778 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13779 for clobber if used alone, and add assert to verify used_alone
13782 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13784 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13785 for non tls symbols added.
13786 (legitimize_address): Do nothing for PLUS expressions if one of the
13787 addends is a tls symbol reference.
13789 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13793 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13795 * Makefile.in (BOOTSTRAPPING): New.
13796 (quickstrap): New definition if BOOTSTRAPPING=yes.
13798 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13799 * configure.ac: Substitute all_selected_languages with the languages
13800 that were configured. For all the other variables except
13801 lang_specs_files, include all the languages in the tree.
13802 * configure: Regenerate.
13804 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13805 if there is one. Run the commands to run fixincludes in the same
13808 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13809 * doc/install.texi: Document exact conventions for searching target tools.
13810 Document --with-build-time-tools. Document toplevel bootstrap. Document
13811 something more about building an Ada cross-compiler. Don't list GNU Make
13812 requirements which affect all platforms.
13814 2006-02-19 Roger Sayle <roger@eyesopen.com>
13816 PR middle-end/19543
13817 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13818 only equivalent if the have both the same mode and precision.
13820 2006-02-20 Ben Elliston <bje@au.ibm.com>
13822 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13824 2006-02-19 Roger Sayle <roger@eyesopen.com>
13825 Steven Bosscher <stevenb.gcc@gmail.com>
13827 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13828 constant pool references to identify stack mode constants.
13829 * rtlanal.c (constant_pool_constant_p): New predicate to check
13830 whether operand is a floating point constant in the pool.
13831 * rtl.h (constant_pool_constant_p): Prototype here.
13832 * loop.c (scan_loop): Avoid hoisting constants from the constant
13833 pool on STACK_REGS targets.
13834 (load_mems): Likewise.
13835 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13836 loads into x87 registers expensive in terms of register pressure.
13838 2006-02-19 Roger Sayle <roger@eyesopen.com>
13840 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13841 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13843 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13845 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13846 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13848 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13850 * doc/invoke.texi: Document -fipa-pta.
13851 * common.opt: Add ipa-pta option.
13852 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13853 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13854 (do_ds_constraint): Ditto.
13855 (get_constraint_for): Only add to referenced_vars if
13856 referenced_vars exists.
13857 (insert_into_field_list): Rewrite to do this unsorted.
13858 (insert_into_field_list_sorted): Rename old insert_into_field_list
13860 (create_function_info_for): Use insert_into_field_list_sorted.
13861 (create_variable_info_for): Rewrite so it uses unsorted version,
13862 since the field list is sorted.
13863 (intra_create_variable_infos): Only add to referenced_vars if
13864 referenced_vars exists.
13865 (ipa_pta_execute): Init heapvars, and delete when done.
13866 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13868 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13870 * doc/install.texi: Add missing `@samp'.
13872 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13874 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13877 2006-02-18 Mark Wielaard <mark@klomp.org>
13879 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13880 who added new 4.1 features, bug fixes and integration support.
13882 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13885 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13886 MEM for ABI_V4 pic.
13888 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13890 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13891 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13892 (copy_insn_1): Likewise. Don't copy each field individually.
13894 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13896 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13897 * rtl.c (rtx_size): Rename variable to...
13898 (rtx_code_size): ...this.
13899 (rtx_size): New function.
13900 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13901 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13903 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13904 * rtl.h (rtx_code_size): New variable.
13905 (rtx_size): Change from a variable to a function.
13906 (RTX_SIZE): Rename to...
13907 (RTX_CODE_SIZE): ...this.
13910 PR tree-optimization/17106
13911 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13912 (Anchored Addresses): New section.
13913 * doc/invoke.texi (-fsection-anchors): Document.
13914 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13915 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13916 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13917 * hooks.c (hook_bool_mode_rtx_false): New function.
13918 * hooks.h (hook_bool_mode_rtx_false): Declare.
13919 * gengtype.c (create_optional_field): New function.
13920 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13921 SYMBOL_REF_IN_BLOCK_P is true.
13922 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13923 (min_anchor_offset, max_anchor_offset): Likewise.
13924 (use_anchors_for_symbol_p): New hook.
13925 * toplev.c (compile_file): Call output_object_blocks.
13926 (target_supports_section_anchors_p): New function.
13927 (process_options): Check that -fsection-anchors is only used on
13928 targets that support it and when -funit-at-a-time is in effect.
13929 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13930 if the decl doesn't have one.
13931 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13932 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13933 of force_const_mem through use_anchored_address.
13934 (expand_expr_constant): New function.
13935 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13936 calling expand_expr for INDIRECT_REF.
13937 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13938 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13939 * expr.h (use_anchored_address): Declare.
13940 * loop-unroll.c: Don't declare rtx vectors here.
13941 * explow.c: Include output.h.
13942 (validize_mem): Call use_anchored_address.
13943 (use_anchored_address): New function.
13944 * common.opt (-fsection-anchors): New switch.
13945 * varasm.c (object_block_htab, anchor_labelno): New variables.
13946 (hash_section, object_block_entry_eq, object_block_entry_hash)
13947 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13948 (use_blocks_for_decl_p, change_symbol_section): New functions.
13949 (get_variable_section): New function, split out from assemble_variable.
13950 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13951 use_blocks_for_decl_p say so. Use change_symbol_section if the
13952 symbol has already been created.
13953 (assemble_variable_contents): New function, split out from...
13954 (assemble_variable): ...here. Don't output any code for
13955 block symbols; just pass them to place_block_symbol.
13956 Use get_variable_section and assemble_variable_contents.
13957 (get_constant_alignment, get_constant_section, get_constant_size): New
13958 functions, split from output_constant_def_contents.
13959 (build_constant_desc): Create a block symbol if use_object_blocks_p
13960 says so. Or into SYMBOL_REF_FLAGS.
13961 (assemble_constant_contents): New function, split from...
13962 (output_constant_def_contents): ...here. Don't output any code
13963 for block symbols; just pass them to place_section_symbol.
13964 Use get_constant_section and get_constant_alignment.
13965 (force_const_mem): Create a block symbol if use_object_blocks_p and
13966 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13967 (output_constant_pool_1): Add an explicit alignment argument.
13968 Don't switch sections here.
13969 (output_constant_pool): Adjust call to output_constant_pool_1.
13970 Switch sections here instead. Don't output anything for block symbols;
13971 just pass them to place_block_symbol.
13972 (init_varasm_once): Initialize object_block_htab.
13973 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13974 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13975 (place_block_symbol, get_section_anchor, output_object_block)
13976 (output_object_block_htab, output_object_blocks): New functions.
13977 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13978 (TARGET_ASM_OUT): Include it.
13979 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13980 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13981 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13982 (TARGET_INITIALIZER): Include them.
13983 * rtl.c (rtl_check_failed_block_symbol): New function.
13984 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13985 (block_symbol, object_block): New structures.
13986 (rtx_def): Add a block_symbol field to the union.
13987 (BLOCK_SYMBOL_CHECK): New macro.
13988 (rtl_check_failed_block_symbol): Declare.
13989 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13990 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13991 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13992 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13993 * output.h (output_section_symbols): Declare.
13994 (object_block): Name structure.
13995 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13996 (default_use_anchors_for_symbol_p): Declare.
13997 * Makefile.in (RTL_BASE_H): Add vec.h.
13998 (explow.o): Depend on output.h.
13999 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14000 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14001 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14002 (rs6000_use_blocks_for_constant_p): New function.
14004 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14006 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14008 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14011 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14014 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14016 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14020 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14022 PR middle-end/26334
14023 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14024 instead of DECL_REGISTER.
14026 2006-02-18 Olivier Hainque <hainque@adacore.com>
14029 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14031 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14034 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14035 * opth-gen.awk: Handle Var and InverseMask together.
14036 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14037 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14038 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14039 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14041 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14042 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14043 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14044 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14045 LINUX_DYNAMIC_LINKER): Define.
14046 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14047 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14049 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14050 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14051 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14052 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14053 (TARGET_C99_FUNCTIONS): Don't define.
14054 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14055 GLIBC_DYNAMIC_LINKER.
14056 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14057 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14058 GLIBC_DYNAMIC_LINKER64): Define.
14059 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14060 LINUX_DYNAMIC_LINKER64.
14061 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14062 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14063 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14064 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14065 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14066 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14067 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14068 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14069 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14070 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14071 and LINUX_DYNAMIC_LINKER32.
14072 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14073 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14074 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14075 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14076 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14078 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14079 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14080 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14081 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14082 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14083 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14084 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14085 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14086 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14087 LINUX_DYNAMIC_LINKER): Define.
14088 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14089 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14090 GLIBC_DYNAMIC_LINKER64): Define.
14091 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14092 LINUX_DYNAMIC_LINKER64.
14093 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14094 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14095 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14096 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14097 LINUX_DYNAMIC_LINKER): Define.
14098 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14099 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14100 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14101 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14102 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14103 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14104 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14105 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14106 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14107 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14108 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14109 * doc/invoke.texi (-muclibc): Remove caveat about supported
14112 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14114 * doc/cpp.texi (__TIMESTAMP__): Document.
14116 2006-02-17 Roger Sayle <roger@eyesopen.com>
14118 PR middle-end/25600
14119 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14120 C is one less than the width of X (and related transformations).
14121 * simplify-rtx.c (simplify_unary_operation_1): Transform
14122 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14123 depending on STORE_FLAG_VALUE, were C is one less then the
14126 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14128 Fix PR tree-optimization/26341
14129 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14130 about NAME_MEMORY_TAG's.
14132 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14135 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14136 with hardware float support, and software float support. Add fcpy
14137 alternative to hardware patterns. Add alternatives to copy between
14138 general and floating-point registers to the 32-bit pattern.
14139 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14140 secondary reload to load a QI or HI mode constant into a floating
14142 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14143 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14145 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14148 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14150 (load_macho_picbase_di): Likewise.
14152 2006-02-16 Jeff Law <law@redhat.com>
14154 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14155 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14156 (ssa_name_nonzero_p): Likewise.
14157 (get_value_range): Return NULL if VRP is not running.
14158 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14159 VRP routines do not discover a range.
14160 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14161 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14162 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14163 (tree_expr_nonnegative_p): Similarly.
14164 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14165 (restore_nonzero_vars_to_original_value): Remove.
14166 (unsafe_associative_fp_binop): Remove.
14167 (tree_ssa_dominator_optimize): Remove initialization and
14168 finalization of nonzero_vars and nonzero_vars_stack.
14169 (dom_opt_initialize_block): No longer push marker on
14170 nonzero_vars_stack.
14171 (dom_opt_finalize_block): No longer call
14172 restore_nonzero_vars_to_original_value.
14173 (record_equivalences_from_phis): No longer look for
14174 nonzero PHI arguments.
14175 (cprop_into_successor_phis): No longer propagate nonzero
14176 property into PHI arguments. Lose unused argument. Caller
14178 (record_equivalences_from_stmt): No longer record nonzero
14179 values for SSA_NAMEs.
14180 (lookup_avail_expr): No longer use nonzero_vars.
14182 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14183 for sizetype when sizetype is unsigned.
14185 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14187 PR rtl-optimization/25603
14188 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14189 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14190 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14191 with new meaning of SETS.
14193 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14198 * config/linux.opt: New file.
14199 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14200 LINUX_DYNAMIC_LINKER): Define.
14201 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14202 * config.gcc (*-*-linux*): Define extra_options.
14203 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14204 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14205 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14206 GLIBC_DYNAMIC_LINKER.
14207 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14208 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14209 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14210 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14211 * doc/invoke.texi (GNU/Linux Options): New section.
14213 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14215 * config/sparc/sparc.md (setjmp): Rewrite.
14216 (setjmp_32): Delete.
14217 (setjmp_64): Likewise.
14219 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14221 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14224 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14226 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14229 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14231 PR rtl-optimization/26296
14232 * Makefile.in (loop-invariant.c): Add except.h dependency.
14233 * loop-invariant.c: Include except.h.
14234 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14236 2005-02-16 Paul Brook <paul@codesourcery.com>
14238 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14241 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14243 PR rtl-optimization/25636
14244 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14245 when deciding whether an insn is an initializing insn.
14247 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14249 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14250 (tree_code_size): Ditto.
14251 * tree.h (struct tree_memory_tag): Remove parent_var.
14252 (struct tree_struct_field_tag): New.
14255 (union tree_node): Add sft member.
14256 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14258 (create_sft): Add size and offset argument, set SFT_OFFSET and
14260 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14261 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14262 * tree-flow-inline.h (get_subvar_at): Update for
14263 SFT_OFFSET/SFT_SIZE.
14264 (var_can_have_subvars): Ditto.
14265 (overlap_subvar): Ditto.
14266 * print-tree.c (print_node): Print out interesting things for
14268 * tree-flow.h (struct subvar): Remove offset and size members.
14269 * tree-ssa-operands.c (get_expr_operands): Update for
14270 get_indirect_ref_operands changes.
14271 (get_indirect_ref_operands): Call add_virtual_operand instead of
14272 add_stmt_operand. Only recurse on base var if requested.
14273 (access_can_touch_variable): New function.
14274 (add_stmt_operand): Split virtual operand handling into ...
14275 (add_virtual_operand): Here. Add offset, size, and for_clobber
14276 arguments. Prune alias sets.
14277 (add_call_clobber_ops): Call add_virtual_operand.
14279 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14281 PR middle-end/26300
14282 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14284 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14285 than TREE_CODE as index into omp_clause_num_ops array.
14287 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14289 PR rtl-optimization/26184
14290 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14292 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14293 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14294 must_precede, must_follow and tobe_scheduled.
14297 * opts.c (common_handle_option): Free new_option pointer.
14298 * df-core.c (df_analyze): Free postorder pointer.
14300 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14302 * Makefile.in: Fix the examples about the use of stamps
14304 2006-02-15 Michael Matz <matz@suse.de>
14306 PR middle-end/22275
14308 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14309 influenced by maximum_field_alignment or DECL_PACKED.
14310 (update_alignment_for_field): Ditto.
14311 (place_field): Ditto.
14312 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14315 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14317 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14318 (debug_flow_info): Pass it.
14319 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14320 * bb-reorder.c (reorder_basic_blocks): Likewise.
14321 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14322 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14323 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14324 * gcse.c (gcse_main, bypass_jumps): Likewise.
14325 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14326 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14327 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14328 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14329 * rtl.h (dump_flow_info): Adjust prototype.
14330 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14331 * var-tracking.c (variable_tracking_main): Likewise.
14332 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14333 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14336 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14338 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14341 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14343 PR tree-optimization/26209
14344 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14345 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14347 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14349 2006-02-14 Roger Sayle <roger@eyesopen.com>
14351 PR middle-end/23670
14352 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14353 (X,Y) and the corresponding symmetry related transformations.
14354 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14355 (X,Y) and its symmetry related transformations.
14357 2006-02-14 Roger Sayle <roger@eyesopen.com>
14359 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14362 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14364 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14366 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14369 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14370 support COMDAT group.
14371 * configure: Regenerate.
14373 2006-02-14 Roger Sayle <roger@eyesopen.com>
14375 PR middle-end/26279
14376 PR middle-end/26280
14377 PR middle-end/26283
14378 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14380 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14382 Fix PR tree-optimization/26260
14384 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14386 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14387 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14388 * tree-ssa-structalias.c (create_variable_info_for): Use
14389 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14391 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14393 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14395 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14396 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14397 of the ending condition.
14398 * tree-ssa-loop-manip.c: Include params.h.
14399 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14400 tree_unroll_loop): New functions.
14401 * tree-pass.h (pass_loop_prefetch): Declare.
14402 * loop.c (rest_of_handle_loop_optimize): Test for
14403 -fprefetch-loop-arrays-rtl.
14404 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14405 * timevar.def (TV_TREE_PREFETCH): New timevar.
14406 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14407 pass_loop_prefetch): New.
14408 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14409 (cleanup_tree_cfg_loop): Call scev_reset.
14410 * common.opt (fprefetch-loop-arrays-rtl): Add.
14411 * tree-ssa-loop-prefetch.c: New file.
14412 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14413 (new_temp_expr_table): Initialize expr_vars.
14414 (free_temp_expr_table): Cleanup expr_vars.
14415 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14416 expressions from being merged into one.
14417 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14418 (struct tree_niter_desc): Add control, bound and cmp fields.
14419 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14421 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14422 (tree-cfgcleanup.o): Add SCEV_H dependency.
14423 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14424 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14426 2006-02-14 Richard Guenther <rguenther@suse.de>
14428 PR tree-optimization/26258
14429 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14430 in PHI argument processing.
14432 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14434 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14435 new expression in the requested machine mode.
14437 2006-02-13 Roger Sayle <roger@eyesopen.com>
14439 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14440 directly, instead let do_compare_rtx_and_jump handle this for us.
14441 * expr.c (expand_expr_real_1): Likewise.
14442 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14443 before do_jump_by_parts_greater.
14444 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14445 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14447 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14449 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14451 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14453 PR rtl-optimization/26235
14454 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14455 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14458 2006-02-13 Jeff Law <law@redhat.com>
14460 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14463 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14465 PR middle-end/26092
14466 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14467 twice if decl is a builtin. When trying again, call get_callee_fndecl
14468 first to verify it is still a builtin.
14470 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14472 * dwarf2out.c (base_type_die): Don't add AT_name here.
14473 (subrange_type_die): Don't add AT_name here.
14474 (modified_type_die): Rearrange code flow. Do add AT_name here.
14476 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14478 PR rtl-optimization/26247
14479 PR rtl-optimization/26248
14480 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14482 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14484 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14485 * config/fixtfdi.c: Likewise.
14486 * config/fixunstfdi.c: Likewise.
14487 * config/floatditf.c: Likewise.
14489 2006-02-13 Roger Sayle <roger@eyesopen.com>
14491 PR middle-end/24427
14492 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14493 into (X,C2) if C1 is a subset of the bits of C2. Transform
14494 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14496 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14498 2006-02-13 Josh Conner <jconner@apple.com>
14501 * varasm.c (function_section): Check for section name before
14502 calling select_section on targets that define
14503 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14504 unlikely_text_section instead of hot_function_section if
14505 first_function_block_is_cold.
14507 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14509 PR middle-end/25335
14510 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14512 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14514 PR rtl-optimization/26222
14515 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14516 after tree->rtl expansion.
14517 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14518 before passing it to emit_move_insn.
14520 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14522 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14524 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14525 Clarify documentation.
14526 * c-common.h (warn_write_strings): Remove.
14527 * c-common.c (warn_write_strings): Likewise.
14528 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14531 2006-02-12 Roger Sayle <roger@eyesopen.com>
14533 PR middle-end/25724
14534 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14535 (do_jump_parts_zero_rtx): New function renamed from
14536 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14537 (do_jump_parts_equality_rtx): New function split out from
14538 do_jump_parts_equality. Old implementation renamed as above.
14539 Call do_jump_parts_zero_rtx if either operand is zero.
14540 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14541 do all of the heavy lifting.
14542 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14543 calling either do_jump_by_parts_greater_rtx or
14544 do_jump_by_parts_equality_rtx.
14545 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14546 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14547 moved to do_compare_rtx_and_jump, call it directly.
14548 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14549 mode argument. Call do_compare_rtx_and_jump.
14550 (emit_case_nodes): Update calls to do_jump_if_equal.
14552 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14554 PR rtl-optimization/26225
14555 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14557 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14559 PR rtl-optimization/26232
14560 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14562 2006-02-11 Jason Merrill <jason@redhat.com>
14565 * tree-inline.c (declare_return_variable): Just don't use the
14566 modify target if it's a gimple complex reg and the return slot
14569 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14571 * doc/contrib.texi: Update my entry.
14573 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14575 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14577 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14579 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14582 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14584 * doc/invoke.texi (-floop-optimize2): Removed.
14585 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14586 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14587 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14588 * common.opt (floop-optimize2): Removed.
14589 (fmove-loop-invariants): Enabled by default.
14591 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14593 * tree-if-conv.c (combine_blocks): Free the result of
14594 get_loop_exit_edges.
14596 2006-02-10 Jeff Law <law@redhat.com>
14598 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14600 PR tree-optimization/26213
14601 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14602 loop trying to follow SSA_NAME_VALUE chains.
14604 2006-02-10 Richard Guenther <rguenther@suse.de>
14606 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14607 deal with structures that end in implicitly variable sized arrays.
14609 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14611 PR rtl-optimization/24762
14612 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14615 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14617 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14618 (struct ivopts_data): Add regs_used field.
14619 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14620 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14621 instead of loop_data->regs_used;
14622 (free_loop_data): Do not free aux fields for loops.
14623 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14624 and tree_ssa_iv_optimize_finalize.
14626 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14628 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14630 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14633 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14634 computing the effective result type.
14636 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14638 PR inline-asm/16194
14639 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14640 (tree_overlaps_hard_reg_set): Declare.
14641 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14642 type and signature to match function type expected by walk_tree.
14643 (tree_overlaps_hard_reg_set): New function.
14644 (decl_conflicts_with_clobbers_p): Rename to:
14645 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14646 Use tree_overlaps_hard_reg_set. Changed caller.
14647 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14648 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14649 * cris.c (cris_md_asm_clobbers): Likewise.
14651 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14653 * reload1.c (emit_input_reload_insns): Delete code that tries to
14654 inherit using find_equiv_reg.
14656 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14658 * c-common.h (flag_const_strings): Don't declare.
14659 * c-common.c (flag_const_strings): Remove.
14660 * c.opt (fconst_strings): Remove.
14661 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14662 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14663 (c_common_init_options): Don't set flag_const_strings.
14664 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14666 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14668 * arm.md (tlobits_cbranch): New pattern.
14669 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14670 testing a single bit.
14672 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14675 * tree-ssa-pre.c (create_component_ref_by_pieces):
14676 Handle RETURN_DECL like VAR_DECL.
14678 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14680 PR middle-end/26134
14681 * fold-const.c (fold_indirect_ref_1): Fold
14682 "*(foo *)&complexfoo" to "__real__ complexfoo"
14683 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14685 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14687 * tree-flow-inline.h (var_can_have_subvars):
14688 Volatile variables should not have subvariables.
14690 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14693 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14694 multiplying unsigned values.
14697 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14699 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14701 2006-02-08 Jason Merrill <jason@redhat.com>
14704 * tree.def: Elaborate on difference from MODIFY_EXPR.
14705 * doc/c-tree.texi (INIT_EXPR): Likewise.
14706 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14707 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14708 (gimplify_target_expr): Likewise.
14709 (gimplify_cond_expr): Remove target handling.
14710 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14711 (gimplify_expr): Clobber it here.
14712 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14713 Do return slot optimization if we have an INIT_EXPR.
14716 * tree-inline.c (declare_return_variable): Also clear
14717 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14720 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14722 PR middle-end/22439
14723 * gimplify.c (gimplify_one_sizepos): Fix typo.
14725 2006-02-08 Jeff Law <law@redhat.com>
14727 PR tree-optimization/21417
14728 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14729 across a backedge if the control statement at the end of the
14730 block is data dependent on other statements in the same block.
14731 (record_temporary_equivalences_from_stmts): Remove over-conservative
14732 test for threading across backedges.
14734 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14735 control statement, handle all three special cases in the same
14736 manner as they all have the same desired solution. No longer
14737 special case edge flag updating when the post dominator is
14740 2006-02-08 Roger Sayle <roger@eyesopen.com>
14742 * tree.def (CHAR_TYPE): Remove.
14743 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14744 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14745 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14746 (gen_string_type_die): Delete unreachable function.
14748 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14749 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14750 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14751 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14752 * builtins.c (type_to_class): Likewise.
14753 * fold-const.c (fold_convert, build_range_check,
14754 merge_ranges): Likewise.
14755 * expr.c (count_type_elements): Likewise.
14756 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14757 * stor-layout.c (layout_type): Likewise.
14758 * ipa-type-escape.c (type_to_consider): Likewise.
14759 * gimplify.c (omp_firstprivatize_type_sizes,
14760 gimplify_type_sizes): Likewise.
14761 * explow.c (promote_mode): Likewise.
14762 * tree-sra.c (is_sra_scalar_type): Likewise.
14763 * varasm.c (output_constant): Likewise.
14764 * tree-inline.c (remap_type_1): Likewise.
14765 * convert.c (convert_to_pointer, convert_to_real,
14766 convert_to_integer, convert_to_complex): Likewise.
14768 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14770 * df-scan.c (df_def_record_1): A set destination may
14771 be a parallel regardless of mode.
14773 2006-02-08 Roger Sayle <roger@eyesopen.com>
14776 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14777 * config/mips/_tilib.c: Remove.
14778 * config/fixtfdi.c: New libgcc source file.
14779 * config/fixunstfdi.c: New source file.
14780 * config/floatditf.c: New source file.
14781 * config/floatunditf.c: New souce file.
14782 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14783 files above instead of config/mips/_tilib.c.
14784 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14786 2006-02-08 Jeff Law <law@redhat.com>
14788 PR tree-optimization/26169
14789 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14792 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14794 * df.h (DF_REG_SIZE): Return the length of the initialized
14797 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14799 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14800 __muldf3): Return a correctly signed zero.
14802 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14804 * passes.c (register_one_dump_file): Accept the current properties
14805 instead of pass number. Adjust call to dump_register. Remove
14807 (register_dump_files): Now a wrapper around...
14808 (register_dump_files_1): ... this one. Do not modify the pass
14810 (next_pass_1): Cosmetic fix.
14811 (execute_todo): Keep second parameter only. Use curr_properties
14812 instead of fetching it from the pass structure. Check and set
14814 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14815 instead of fetching it from the pass structure. Fix calls to
14816 execute_todo. Update curr_properties and initialize .vcg RTL dump
14817 after running the pass. Reset last_verified.
14818 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14820 (FIRST_AUTO_NUMBERED_DUMP): New.
14821 (dump_register): Remove "num" parameter, assign it within the
14823 (get_dump_file_name): Modify template for dumps.
14824 * tree-dump.h (dump_register): Adjust prototype.
14825 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14826 (PROP_trees): Add PROP_gimple_lomp.
14827 (TODO_set_props): New.
14828 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14829 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14830 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14832 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14834 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14835 (sparc64-*-linux*): Likewise.
14836 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14837 * config/sparc/t-linux: New file.
14838 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14839 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14840 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14841 -m32 -mlong-double-128.
14843 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14844 * config/alpha/t-linux: New file.
14845 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14847 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14848 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14849 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14850 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14851 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14852 (CPP_ARCH32_SPEC): Remove.
14854 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14856 PR tree-optimization/26145
14857 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14860 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14863 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14864 >= 240000 when generating code for SOM runtime.
14865 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14866 to $$dyncall when generating code for SOM runtime..
14868 2006-02-07 Dirk Mueller <dmueller@suse.com>
14871 * doc/invoke.texi (-Wsequence-point): Update documentation
14872 that -Wsequence-point is implemented for C++ as well.
14874 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14876 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14877 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14878 (LIB_SPEC): Likewise.
14879 * doc/invoke.texi (SPARC options): Document -pthread.
14881 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14883 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14886 2006-02-07 Roger Sayle <roger@eyesopen.com>
14888 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14889 Correct comment describing BOOLEAN_TYPE.
14891 2006-02-07 Dirk Mueller <dmueller@suse.com>
14893 * c.opt: C++ frontend supports -Wdiv-by-zero.
14894 * c-opts.c (c_common_handle_option): Remove dead case.
14896 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14898 * configure.ac (TLS assembler check): Do not enable TLS by
14899 default on SPARC/Solaris before version 10.
14900 * configure: Regenerate.
14902 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14904 * doc/invoke.texi (xl-compat): Document conversion and support
14907 2006-02-07 Jeff Law <law@redhat.com>
14909 * tree-vrp.c (find_conditional_asserts): Update comments.
14910 (simplify_stmt_for_jump_threading): New.
14911 (identify_jump_threads, finalize_jump_threads): New.
14912 (vrp_finalize): Call identify_jump_threads.
14913 (execute_vrp): Call finalize_jump_threads.
14914 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14915 (vrp_element, vrp_data, vrp_element_p): Remove.
14916 (vrp_hash_elt, vrp_variables_stack): Remove.
14917 (vrp_hash, vrp_eq, record_range): Remove.
14918 (simplify_cond_and_lookup_avail_expr): Remove.
14919 (extract_range_from_cond): Remove.
14920 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14921 (simplify_stmt_for_jump_threading): New.
14922 (dom_thread_across_edge): New wrapper.
14923 (tree_ssa_dominator_optimize): No longer initialize or
14924 finalize any of the VRP datastructures. Remove iteration
14925 step and simplify as a result of removal of iteration step.
14926 (pass_dominator): Perform a cfg cleanup after DOM.
14927 (dom_opt_finalize_block): Use the new common routines
14928 for threading jumps. Simplify stack management slightly.
14929 No longer need to unwind VRP state.
14930 (record_equivalences_from_incoming_edge): No longer record
14932 (eliminate_redundant_computations): No longer call
14933 simplify_cond_and_lookup_avail_expr.
14934 * tree-flow.h (potentially_threadable_block): Prototype.
14935 (thread_across_edge): Likewise.
14936 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14937 (tree-ssa-threadedge.o): Add dependencies.
14938 * tree-ssa-threadedge.c: New file.
14939 * passes.c (init_optimization_passes): Merge PHIs before
14940 calling VRP. Run VRP again late in the SSA optimization pipeline.
14942 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14944 * df-core.c (df_set_blocks): Do not dereference function pointers.
14945 (df_finish1): Likewise.
14946 (df_hybrid_search_forward): Likewise.
14947 (df_hybrid_search_backward): Likewise.
14948 (df_iterative_dataflow): Likewise.
14949 (df_analyze_problem): Likewise.
14950 (df_compact_blocks): Likewise.
14951 (df_dump): Likewise.
14952 * df-scan.c (df_rescan_blocks): Likewise.
14953 (df_record_entry_block_defs): Likewise.
14955 * genconditions.c (write_conditions): Guard the definition of
14956 'insn_conditions' with the check on GCC version.
14957 (write_writer): Guard the traversal 'insn_conditions' with
14958 the check on GCC version.
14960 2006-02-07 Richard Guenther <rguenther@suse.de>
14964 2006-01-30 Richard Guenther <rguenther@suse.de>
14966 * gimplify.c (gimplify_target_expr): Handle easy cases
14967 without creating a temporary.
14969 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14971 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14972 use of float in probability computations. Use edge probabilities
14973 in place of statically computed probabilities.
14974 (min_spec_prob): New static variable.
14975 (schedule_insns): Initialize it.
14976 (GET_SRC_PROB): Removed.
14977 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14979 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14982 * config/ia64/unwind-ia64.c: Revert last change.
14983 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14984 (INCOMING_FRAME_SP_OFFSET): Define.
14986 2006-02-06 Roger Sayle <roger@eyesopen.com>
14988 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14990 2006-02-07 Ben Elliston <bje@au.ibm.com>
14992 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14993 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14994 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14995 (ix86_return_in_memory): Handle TDmode.
14996 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14997 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14999 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15001 * reorg.c (dbr_schedule): Use dump_file instead of file.
15003 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15006 * config/ia64/predicates.md (extr_len_operand): New predicate.
15007 * config/ia64/ia64.md (extv): Tighten constraints.
15009 (*tbit_and_2): Ditto.
15010 (*tbit_and_3): Ditto.
15011 (*tbit_or_2): Ditto.
15012 (*tbit_or_3): Ditto.
15013 (*bit_zero): Ditto.
15016 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15019 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15021 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15023 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15024 loop_optimizer_init and loop_optimizer_finalize
15025 * tree-ssa-sink.c (execute_sink_code): Ditto.
15026 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15027 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15028 tree_ssa_loop_done): Ditto.
15029 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15030 * sched-ebb.c: Include output.h.
15031 (schedule_ebbs): Do not use dump argument.
15032 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15033 * loop.c (loop_dump_stream): Removed.
15034 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15036 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15037 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15038 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15039 loop_iterations, strength_reduce, record_biv, record_giv,
15040 final_giv_value, check_final_value, check_ext_dependent_givs,
15041 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15042 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15043 dump_file instead of loop_dump_stream.
15044 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15045 argument dump_file.
15046 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15048 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15049 * haifa-sched.c: Include output.h
15050 (schedule_insns, sched_init): Do not use dump argument.
15051 * mode-switching.c (optimize_mode_switching): Ditto.
15052 * modulo-sched.c (stats_file): Removed.
15053 (print_node_sched_params): Do not call argument dump_file.
15054 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15055 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15057 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15059 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15060 rtl_loop_init, rtl_loop_done): Ditto.
15061 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15062 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15064 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15065 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15066 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15067 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15068 * emit-rtl.c (renumber_insns): Ditto.
15069 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15070 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15071 * regclass.c (regclass): Ditto.
15072 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15073 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15074 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15075 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15077 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15078 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15080 * gcse.c (gcse_file, debug_stderr): Removed.
15081 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15082 rest_of_handle_gcse): Do not use dump argument.
15083 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15084 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15085 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15086 compute_code_hoist_vbeinout, compute_code_hoist_data,
15087 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15088 compute_store_table, build_store_vectors, insert_insn_start_bb,
15089 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15090 store_motion): Use dump_file instead of gcse_file.
15091 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15092 * profile.c (profile_dump_file): Removed.
15093 (branch_prob): Use dump_file instead of profile_dump_file.
15094 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15096 * tree-ssa-copy.c (dump_copy_of): Ditto.
15097 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15098 dump file to life_analysis.
15099 * bt-load.c (branch_target_load_optimize): Ditto.
15100 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15102 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15103 regclass, dbr_schedule): Declaration changed.
15104 * sched-int.h (sched_init): Declaration changed.
15105 * tree-profile.c (tree_profile_dump_file): Removed.
15106 (tree_profile_hooks): Removed profile_dump_file hook.
15107 * rtl-profile (rtl_profile_dump_file): Removed.
15108 (rtl_profile_hooks): emoved profile_dump_file hook.
15109 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15111 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15112 * tree-cfg.c (build_tree_cfg): Ditto.
15113 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15114 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15115 Declaration changed.
15116 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15117 life_analysis and schedule_insns.
15118 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15120 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15122 * config/mips/mips.c (mips_reorg): Ditto.
15123 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15126 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15128 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15129 (s390_mangle_fundamental_type): New.
15130 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15133 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15134 (alpha_mangle_fundamental_type): New.
15135 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15138 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15140 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15142 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15143 (sparc_mangle_fundamental_type): New.
15145 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15147 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15148 (s390x-*-linux*): Likewise.
15149 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15150 * config/s390/t-linux: New file.
15152 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15154 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15155 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15157 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15159 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15160 (ANTIC_SAFE_LOADS): New macro.
15161 (find_or_generate_expression): Add prototype.
15162 (set_contains_value): Allow null set for sake of not always having
15163 to allocate ANTIC_SAFE_LOADS.
15164 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15165 Allow COMPONENT_REF too.
15166 (valid_in_set): Allow COMPONENT_REF.
15167 Check ANTIC_SAFE_LOADS too.
15168 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15169 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15171 (can_PRE_operation): Add COMPONENT_REF.
15172 (create_component_ref_by_pieces): New function.
15173 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15174 (insert_aux): Move AGGREGATE_TYPE_P check here.
15175 (compute_avail): Set bb local stmt uids.
15176 (pass_pre): Use TODO_update_ssa_only_virtuals.
15178 2006-02-06 Ben Elliston <bje@au.ibm.com>
15180 * configure.ac: Unconditionally disable decimal float by default.
15181 * configure: Regenerate.
15183 2006-02-06 Ben Elliston <bje@au.ibm.com>
15185 * read-rtl.c (read_name): Terminate reading on EOF.
15187 2006-02-06 Ben Elliston <bje@au.ibm.com>
15189 * dfp.c (decimal_real_arithmetic): Change second argument type
15190 from int to enum tree_code. Do not always return true, but now
15191 return result of any call to decimal_do helper functions.
15192 * dfp.h (decimal_real_arithmetic): Update prototype.
15194 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15196 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15198 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15201 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15204 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15206 * tree-vrp.c (cfg_loops): Removed.
15207 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15208 Use current_loops instead of cfg_loops. Pass flags to
15209 loop_optimizer_init.
15210 * cfgloopmanip.c (fix_loop_structure): Update only available
15212 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15213 loop_optimizer_init.
15214 * modulo-sched.c (build_loops_structure): Removed.
15215 (sms_schedule): Use loop_optimizer_init.
15216 * loop-init.c (loop_optimizer_init): Use flags to determine
15217 which properties of loops to prepare.
15218 (rtl_loop_init): Pass flags to loop_optimizer_init.
15219 * tree-ssa-sink.c (execute_sink_code): Ditto.
15220 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15221 * tree-ssa-pre.c (init_pre): Ditto.
15222 * cfgloop.h (LOOPS_NORMAL): New.
15223 (loop_optimizer_init): Declaration changed.
15225 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15227 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15228 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15230 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15232 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15234 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15235 * pa/t-pa64: Delete quadlib.c rule.
15236 * pa/x-ada: Revert last change.
15237 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15239 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15241 PR rtl-optimization/26087
15242 * rtlanal.c (canonicalize_condition): Do not cross basic block
15245 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15248 * config/ia64/ia64.c: Include debug.h.
15249 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15250 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15251 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15252 (process_epilogue, process_set, process_for_unwind_directive):
15253 Output unwind info only if requested. Add CFA info if requested.
15254 Add new arguments as needed. Adjust callers.
15255 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15257 (DWARF2_FRAME_INFO): Define to zero.
15258 * config/ia64/unwind-ia64.c: Remove code that compensated for
15259 the CFA offset error fixed above.
15260 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15261 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15262 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15263 -funwind-tables and -fexceptions to enable frame info.
15264 (dwarf2out_frame_init): Define initial CFA even if
15265 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15266 DWARF2_UNWIND_INFO is nonzero, not just defined.
15267 (dwarf2out_frame_finish): Output non-EH call frame info only
15268 if DWARF2_FRAME_INFO is nonzero.
15269 (convert_cfa_to_loc_list,
15270 compute_frame_pointer_to_cfa_displacement): Define even if
15271 unwind info is not supported.
15272 (gen_subprogram_die): Use the above unconditionally. Remove
15273 legacy alternate code.
15274 * toplev.c (compile_file): Compile in call to
15275 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15276 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15278 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15279 Jakub Jelinek <jakub@redhat.com>
15281 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15282 IBM extended float format long double as "g" on powerpc*-linux.
15284 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15287 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15288 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15290 2006-02-03 Jason Merrill <jason@redhat.com>
15293 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15295 PR middle-end/25977
15296 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15297 on the return slot if it's an NRV.
15299 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15301 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15302 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15303 rewrite_use): Do not handle USE_OUTER.
15304 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15305 add_iv_outer_candidates, may_replace_final_value,
15306 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15307 (find_interesting_uses_op): Functionality of
15308 find_interesting_uses_outer_or_nonlin moved here.
15309 (find_interesting_uses_outside): Use find_interesting_uses_op.
15311 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15314 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15316 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15317 Ulrich Weigand <uweigand@de.ibm.com>
15320 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15321 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15322 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15323 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15325 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15326 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15327 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15328 Define secondary reloads for TFmode moves.
15329 (constant_modes): Add TFmode.
15330 (NR_C_MODES): Set to 8.
15331 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15333 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15334 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15335 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15336 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15337 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15338 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15339 (FPR mode macro): Add TFmode.
15340 (DSF mode macro): New.
15341 (<de>, <dee> mode attributes): Removed.
15342 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15343 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15344 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15345 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15346 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15347 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15348 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15349 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15350 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15351 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15352 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15353 "*negabs<mode>2", "sqrt<mode>2"):
15354 Changed <de> to <xde>. R constraint replaced by <Rf>.
15355 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15357 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15358 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15359 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15361 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15362 "extenddftf2", "extendsftf2"): New expanders.
15363 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15364 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15365 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15366 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15368 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15369 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15370 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15371 __floatditf): Add a GCC_4.1.0 symbol version tag.
15372 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15375 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15378 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15379 Use targetm.binds_local_p instead of TREE_PUBLIC.
15381 2006-02-02 Roger Sayle <roger@eyesopen.com>
15383 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15384 on INTEGER_TYPEs to indicate that it denotes a character type.
15385 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15386 signed_char_type_node, unsigned_char_type_node and char_type_node.
15387 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15388 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15389 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15391 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15392 Daniel Berlin <dberlin@dberlin.org>
15394 * tree-tailcall.c (arg_needs_copy_p): New function.
15395 (eliminate_tail_call): Use arg_needs_copy_p.
15396 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15397 (add_virtual_phis): New function.
15399 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15401 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15402 #ignore instead of #scratch for %g7 .register directive.
15404 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15406 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15409 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15411 * flow.c (calculate_global_regs_live): Assert that there aren't any
15414 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15416 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15417 what its name says.
15418 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15419 bsi_after_labels iterator.
15420 * tree-if-conv.c (find_phi_replacement_condition,
15421 replace_phi_with_cond_modify_expr): Likewise.
15422 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15423 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15425 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15427 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15429 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15432 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15433 array after growing it.
15435 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15437 PR middle-end/24901
15438 * fold-const.c (fold_checksum_tree): Change type of buf.
15440 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15442 * reload.c (push_secondary_reload): Initialize t_icode.
15444 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15446 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15447 -msoft-float -mlong-double-128 only issue a warning, but don't
15448 swich to DFmode long double.
15450 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15452 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15453 has a constant equivalent, iterate over equivalents for arg0,
15454 calling simplify_relational_operation and if there's a result
15455 cheaper than X, apply fold_rtx and return the result.
15457 2006-02-01 Jan Hubicka <jh@suse.cz>
15459 * opts.c (no_unit_at_a_time_default): New global variable.
15460 (decode_options): Use it.
15461 * opts.h (no_unit_at_a_time_default): Declare.
15463 2006-02-01 Paul Brook <paul@codesourcery.com>
15465 * function.c (assign_parm_setup_reg): Use function argument promotion
15467 * expr.c (expand_expr_real_1): Use function argument promotion rules
15470 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15472 * gcc.c (process_command): Change j to 'unsigned int'.
15474 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15476 PR middle-end/26001
15477 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15478 Use the corrected index for the character
15479 out of the string constant.
15481 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15483 * mode-switching.c (optimize_mode_switching): Fix size
15484 allocated for bb_info[n_entities].
15486 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15488 * gcc.c (main): Correct type that is allocated for
15489 explicit_link_files.
15491 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15493 * config/s390/s390.c (init_alignment_context): Set
15494 ALIAS_SET_MEMORY_BARRIER on the MEM.
15495 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15497 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15499 PR middle-end/25933
15500 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15502 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15505 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15507 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15508 * regrename.c: Ditto.
15509 * tree-ssa-loop-im.c: Ditto.
15510 * tree-dump.c: Ditto.
15511 * tree-complex.c: Ditto.
15512 * genrecog.c: Ditto.
15513 * tree-ssa-threadupdate.c: Ditto.
15515 * java/class.c: Ditto.
15516 * java/jcf-parse.c: Ditto.
15517 * java/resource.c: Ditto.
15518 * java/except.c: Ditto.
15519 * java/jvspec.c: Ditto.
15520 * java/jcf-write.c: Ditto.
15521 * java/jcf-path.c: Ditto.
15522 * java/gjavah.c: Ditto.
15523 * java/zextract.c: Ditto.
15524 * java/jcf-io.c: Ditto.
15525 * java/jcf.h: Ditto.
15526 * java/buffer.c: Ditto.
15527 * java/lang.c: Ditto.
15528 * java/parse-scan.y: Ditto.
15529 * java/lex.c: Ditto.
15530 * java/lex.h: Ditto.
15531 * cfgloopmanip.c: Ditto.
15532 * postreload-gcse.c: Ditto.
15533 * tree-ssa-loop-manip.c: Ditto.
15534 * postreload.c: Ditto.
15535 * tree-ssa-loop-ch.c: Ditto.
15538 * cppspec.c: Ditto.
15539 * diagnostic.c: Ditto.
15541 * genoutput.c: Ditto.
15543 * cfghooks.c: Ditto.
15544 * cfgloopanal.c: Ditto.
15545 * objc/objc-act.c: Ditto.
15547 * genextract.c: Ditto.
15548 * genautomata.c: Ditto.
15549 * pretty-print.c: Ditto.
15550 * genemit.c: Ditto.
15551 * cgraphunit.c: Ditto.
15553 * df-scan.c: Ditto.
15554 * haifa-sched.c: Ditto.
15555 * dominance.c: Ditto.
15557 * tree-ssa-loop-ivopts.c: Ditto.
15558 * df-core.c: Ditto.
15559 * mode-switching.c: Ditto.
15560 * modulo-sched.c: Ditto.
15562 * ipa-pure-const.c: Ditto.
15564 * fix-header.c: Ditto.
15566 * tree-stdarg.c: Ditto.
15567 * ipa-utils.c: Ditto.
15568 * loop-init.c: Ditto.
15569 * ipa-inline.c: Ditto.
15570 * cfganal.c: Ditto.
15572 * alloc-pool.c: Ditto.
15573 * dwarf2out.c: Ditto.
15575 * genattrtab.c: Ditto.
15576 * tree-ssa-loop-ivcanon.c: Ditto.
15577 * predict.c: Ditto.
15578 * timevar.c: Ditto.
15580 * fortran/gfortranspec.c: Ditto.
15581 * regmove.c: Ditto.
15582 * local-alloc.c: Ditto.
15583 * langhooks.c: Ditto.
15584 * function.c: Ditto.
15585 * tree-vectorizer.c: Ditto.
15587 * ipa-type-escape.c: Ditto.
15589 * tree-if-conv.c: Ditto.
15590 * profile.c: Ditto.
15592 * tree-data-ref.c: Ditto.
15593 * loop-unroll.c: Ditto.
15594 * treelang/treetree.c: Ditto.
15596 * bt-load.c: Ditto.
15597 * ggc-common.c: Ditto.
15599 * coverage.c: Ditto.
15601 * tree-cfgcleanup.c: Ditto.
15602 * tree-ssa-pre.c: Ditto.
15603 * cfgcleanup.c: Ditto.
15604 * loop-invariant.c: Ditto.
15605 * loop-iv.c: Ditto.
15606 * ipa-prop.c: Ditto.
15607 * print-tree.c: Ditto.
15608 * conflict.c: Ditto.
15609 * ggc-page.c: Ditto.
15610 * sched-deps.c: Ditto.
15611 * regclass.c: Ditto.
15612 * tree-object-size.c: Ditto.
15613 * combine.c: Ditto.
15614 * bb-reorder.c: Ditto.
15615 * resource.c: Ditto.
15616 * var-tracking.c: Ditto.
15617 * cfgloop.c: Ditto.
15618 * df-problems.c: Ditto.
15619 * reg-stack.c: Ditto.
15621 * gccspec.c: Ditto.
15622 * sched-rgn.c: Ditto.
15623 * tree-ssa-structalias.c: Ditto.
15624 * tree-ssa-reassoc.c: Ditto.
15625 * config/darwin-c.c: Ditto.
15626 * config/darwin.c: Ditto.
15627 * config/arm/arm.c: Ditto.
15629 * collect2.c: Ditto.
15630 * reload1.c: Ditto.
15632 2006-01-31 Nicolas Pitre <nico@cam.org>
15634 * arm.md (smaxsi3): Make aware of smax_m1.
15637 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15639 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15641 2006-01-31 Richard Guenther <rguenther@suse.de>
15643 * doc/invoke.texi (-msselibm): Document.
15644 * target.h (expand_library_builtin): New target hook.
15645 * builtins.c (expand_builtin): Use expand_library_builtin.
15646 (default_expand_library_builtin): New function.
15647 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15648 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15649 (link_gcc_math_spec): Declare.
15650 (static_specs): Add link_gcc_math_spec.
15651 * expr.h (default_expand_library_builtin): Declare.
15652 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15653 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15654 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15655 * config/i386/i386.opt (msselibm): New target option.
15656 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15657 (ix86_init_sse_abi_builtins): New function.
15658 (ix86_expand_library_builtin): Likewise.
15659 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15660 (override_options): Handle error conditions wrt -msselibm.
15661 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15662 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15663 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15666 2006-01-31 Richard Guenther <rguenther@suse.de>
15667 Paolo Bonzini <bonzini@gnu.org>
15669 * doc/install.texi (--disable-libgcc-math): Document.
15671 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15673 * expr.h (expand_normal): new inline function.
15674 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15675 * dojump.c: use it.
15676 * dwarf2out.c: use it.
15679 * expmed.c: use it.
15680 * except.c: use it.
15681 * config/sparc/sparc.c: use it.
15682 * config/i386/i386.c: use it.
15683 * config/rs6000/rs6000.c: use it.
15684 * config/arm/arm.c: use it.
15685 * config/mips/mips.c: use it.
15686 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15688 2006-01-30 Roger Sayle <roger@eyesopen.com>
15690 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15691 argv to the appropriate type.
15693 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15695 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15698 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15701 * config/s390/s390.c (struct machine_function): New flag
15702 decomposed_literal_pool_addresses_ok_p.
15703 (s390_reorg): Set it before final stage of literal pool transforms.
15704 (s390_decompose_address): Only accept displacements of the form
15705 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15707 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15709 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15710 the comparison routine return.
15712 2006-01-30 Michael Matz <matz@suse.de>
15714 * global.c (find_reg): Only evict for global regs.
15715 Take n_refs into account and dump more info.
15717 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15720 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15721 (pragma_trap, pragma_nosave_low_regs): Likewise.
15722 (current_function_anonymous_args): Likewise.
15723 (sh_deferred_function_attributes): New variable.
15724 (sh_deferred_function_attributes_tail): Likewise.
15725 (print_operand): For '@', look up trap_exit attribute.
15726 (calc_live_regs): Look up trapa_handler attribute. For trapa
15727 handlers, save/restore fpscr, but don't do any other
15728 interrupt-specific saves.
15729 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15730 Fix check for partially saved registers to check for SHmedia.
15731 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15732 (sh_output_function_epilogue): Don't clear any of the removed
15734 (sh_insert_attributes): Don't check pragma_interrupt.
15735 Insert deferred attributes. Check that interrupt attribute is
15736 present for other attributes that require its presence.
15737 (sh_attribute_table): Add new attributes trapa_handler and
15739 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15740 Don't check for pragma_interrupt. Don't store argument.
15741 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15742 (sh_deferred_function_attributes): Declare.
15743 (sh_deferred_function_attributes_tail): Likewise.
15744 * sh.md (sp_switch_1): Add operand. Change generator caller.
15745 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15746 (*return_i): Don't use when trap_exit attribute is in effect.
15747 (*return_trapa): New insn pattern.
15748 * sh-c.c: New file.
15749 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15750 setting c_target_objs and cxx_target_objs.
15751 * t-sh: Add rule for sh-c.o.
15753 2006-01-30 Richard Guenther <rguenther@suse.de>
15756 * gimplify.c (gimplify_target_expr): Handle easy cases
15757 without creating a temporary.
15759 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15761 * vec.h (safe_grow): Remove duplicated line.
15763 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15766 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15767 (expand_omp): ... here.
15768 (expand_omp_parallel): Only remove barriers for combined
15769 parallel+workshare constructs.
15771 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15775 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15776 * tree.c (build_qualified_type): Chain the new type to the original
15777 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15778 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15779 (build_pointer_type_for_mode): Only return unqualified types.
15780 (build_reference_type_for_mode): Likewise.
15782 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15784 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15785 * Makefile.in (CXX_COMPAT_WARN): Define.
15786 * configure: Regenerate.
15788 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15791 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15794 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15796 * toplev.c: Fix thinko.
15798 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15799 Marcin Dalecki <martin@dalecki.de>
15801 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15802 (push_srcloc): Use XNEW.
15803 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15805 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15807 * df-core.c (df_set_blocks): Deleted all variable.
15809 2006-01-28 Ian Lance Taylor <ian@airs.com>
15811 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15812 cgraph_output_pending_asms.
15814 2006-01-28 Zack Weinberg <zackw@panix.com>
15816 * c.opt: Add -W(no-)overlength-strings.
15817 * doc/invoke.texi: Document it.
15818 * c-opts.c (c_common_handle_option): -pedantic implies
15819 -Woverlength-strings, if not explicitly disabled already.
15820 (c_common_post_options): -Woverlength-strings defaults to off, and
15821 is always off for C++.
15822 * c-common.c (fix_string_type): Issue warning about strings longer
15823 than is portable only if warn_overlength_strings. Rearrange code
15824 a little for clarity.
15825 * configure.in: Check for -Wno-overlength-strings as well before
15826 enabling -pedantic in stage 1.
15827 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15828 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15830 * genconditions.c (write_header, write_one_condition)
15831 (write_conditions, write_writer): Consolidate very long strings
15832 that were broken up to fit in C89 portable limit. Don't use
15833 printf when fputs will do.
15835 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15837 * combine.c (simplify_comparison <AND>): Check
15838 TRULY_NOOP_TRUNCATION before start using a subreg.
15840 * config/mips/mips.md (*branch_zero<mode>,
15841 *branch_zero<mode>_inverted, *branch_equality<mode>,
15842 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15843 Remove mode check from comparisons.
15845 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15847 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15849 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15851 * expmed.c (const_mult_add_overflow_p): Remove.
15852 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15854 * recog.c (validate_replace_rtx_subexp): Remove.
15855 * recog.h: Remove the prototype for
15856 validate_replace_rtx_subexp.
15858 * integrate.h: Remove the prototype for
15859 copy_decl_for_inlining.
15860 * rtl.h: Remove the prototype for mark_constant_function.
15861 * tree-vectorizer.h: Remove the prototype for
15862 vect_strip_conversion.
15864 * modulo-sched.c (create_partial_schedule,
15865 free_partial_schedule, reset_partial_schedule): Make them
15868 * hooks.c (hook_bool_rtx_int_false): Remove.
15869 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15871 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15873 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15874 and -mlong-double-128 are incompatible.
15875 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15876 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15877 (TARGET_LIBGCC2_CFLAGS): Define.
15878 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15879 (TARGET_LIBGCC2_CFLAGS): Same.
15880 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15882 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15885 * c-typeck.c (build_binary_op): Perform implicit casts of
15886 operands before shortening them.
15888 * cfgloopmanip.c (split_loop_bb): Remove.
15889 * cfgloop.h: Remove the prototype for split_loop_bb.
15891 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15892 * cfgloop.h: Remove the prototype for
15893 flow_loop_outside_edge_p.
15895 * emit-rtl.c (init_virtual_regs): Make it static.
15896 * function.h: Remove the prototype for init_virtual_regs.
15898 * recog.c (peephole2_optimize): Make it static.
15899 * recog.h: Remove the prototype for peephole2_optimize.
15901 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15903 * df-scan.c (df_record_entry_block_defs): Check if
15904 INCOMING_RETURN_ADDR_RTX is defined.
15906 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15907 Kenneth Zadeck <zadeck@naturalbridge.com>
15909 PR rtl-optimization/24762
15910 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15911 * targhooks.c (hook_void_bitmap): New hook prototype.
15912 * targhoohs.h (hook_void_bitmap): Ditto.
15913 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15914 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15915 * target.h (live_on_entry): New function pointer.
15916 * df-scan.c (df_all_hard_regs): Removed.
15917 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15918 (df_scan_free_internal): Added df->entry_block_defs.
15919 (df_scan_alloc): Ditto.
15920 (df_scan_dump): Ditto.
15921 (df_uses_record): Plumbed flag field properly thru calls.
15922 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15923 This part fixes PR24762.
15924 (df_bb_refs_record): Added code to make the frame and arg
15925 pointers live in EH blocks.
15926 (df_refs_record): Added call to df_record_entry_block_defs.
15927 (df_record_entry_block_defs): New function.
15928 * df-core.c: Added comments to describe new artifical defs.
15929 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15930 (entry_block_defs): New field in struct df.
15931 (df_all_hard_regs): Deleted.
15932 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15933 * df-problems.c (df_ru_bb_local_compute_process_def):
15934 Added code to handle artifical defs in the entry to a function.
15935 (df_ru_bb_local_compute): Ditto.
15936 (df_rd_bb_local_compute_process_def): Ditto.
15937 (df_rd_bb_local_compute): Ditto.
15938 (df_lr_bb_local_compute): Ditto.
15939 (df_ur_bb_local_compute): Ditto.
15940 (df_urec_bb_local_compute): Ditto.
15941 (df_chain_create_bb): Ditto.
15942 (df_ur_local_finalize): Removed entry.
15943 (df_urec_init): Ditto.
15944 (df_urec_local_finalize): Ditto.
15945 (df_ri_bb_compute): Added detection of last use of pseudos.
15946 * Makefile.in (df-scan.o): Updated dependencies.
15947 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15948 * config/mips/mips.c (mips_set_live_on_entry): Added.
15949 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15951 * dce.c (marked_insn_p): Added code to handle artifical defs.
15953 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15955 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15957 (_mm_cvtsi128_si64): Likewise.
15958 (_mm_cvtsd_si64): Likewise.
15959 (_mm_cvttsd_si64): Likewise.
15960 (_mm_cvtsi64_sd): Likewise.
15961 (_mm_cvtsi64_si128): Likewise.
15962 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15963 (_mm_cvtsi64_m64): Likewise.
15964 (_m_to_int64): Likewise.
15965 (_mm_cvtm64_si64): Likewise.
15966 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15967 (_mm_cvttss_si64): Likewise.
15968 (_mm_cvtsi64_ss): Likewise.
15969 (_mm_cvtss_f32): Likewise.
15971 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15973 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15974 for pragma redefine_extname.
15976 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15979 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15980 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15981 -mno-minimal-toc to previous content.
15982 (bispecs): Remove goal.
15983 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15984 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15985 compatibility aliases on powerpc-*-*gnu*.
15986 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15987 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15988 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15989 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15990 (ldblspecs): New goal.
15991 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15992 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15994 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15995 L_sf_to_tf or L_df_to_tf is defined.
15997 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15998 Alan Modra <amodra@bigpond.net.au>
16001 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16002 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16003 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16004 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16005 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16006 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16007 (rs6000_override_options): Initialize rs6000_ieeequad.
16008 Initialize TFmode format to ibm_extended_format if not
16010 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16012 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16013 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16014 (function_arg_advance): IBM long double passed in two FPRs, not
16016 (function_arg): IBM long double passed in FPRs.
16017 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16018 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16019 Only multireg GPR aligned.
16020 (rs6000_init_libfuncs): Enable IBM long double functions if not
16022 (rs6000_generate_compare): Use IBM long double compare if not
16024 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16025 (TARGET_IEEEQUAD): Define.
16026 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16027 not TARGET_IEEEQUAD.
16028 * config/rs6000/rs6000.md: Enable TFmode patterns if
16030 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16031 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16032 and -mlong-double-128 are incompatible.
16033 * doc/invoke.texi (-mabi): Collect options together. Add
16034 ibmlongdouble and ieeelongdouble.
16036 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16038 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16040 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16041 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16042 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16043 * rtl.h (rtunion_def): Remove rt_ptr.
16045 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16046 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16047 * config/i386/winnt.c (i386_pe_mark_dllexport)
16048 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16050 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16052 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16054 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16058 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16059 pthread_key_delete. From John David Anglin. gthrw-ify
16060 pthread_getunique_np only if it it's not a macro. Delete
16062 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16063 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16064 __gthread_objc_condition_signal, __gthread_key_delete): Add
16065 "__attribute__ ((__unused__))" to unused arguments.
16066 (__gthread_recursive_mutex_init_function): Add missing return.
16067 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16068 gthr-posix95.h: Use macro-based approach for name redirection
16069 on targets missing weakref.
16071 2006-01-26 Zack Weinberg <zackw@panix.com>
16073 * genconditions.c (write_header): In generated code, #ifdef out
16074 all includes and fake declarations, except includes of bconfig.h
16075 and system.h, unless GCC_VERSION >= 3001. Do not include
16076 gensupport.h in any case.
16077 (write_conditions): Generate a definition of struct c_test. Add
16078 a comment to the generated #endif.
16079 (write_one_condition): Escape backslashes in string too.
16080 (write_writer): Generated code must escape backslashes and quote
16081 marks (but not newlines) in the strings it writes.
16082 * Makefile.in (build/gencondmd.o): Update dependencies.
16084 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16087 * Makefile.in (insn-automata.o): Add header file dependencies.
16088 * genautomata.c: Add includes.
16090 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16093 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16095 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16097 * configure.ac: Expect target tools paths to be passed from the toplevel
16098 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16100 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16102 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16105 * c.opt (Wpointer-sign): Init to -1.
16106 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16107 OPT_pedantic, to 0 otherwise.
16108 * doc/invoke.texi: Update.
16110 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16112 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16113 constants provided by 80387 instructions in the destination mode.
16115 2006-01-26 Richard Guenther <rguenther@suse.de>
16116 Andrew Pinski <pinskia@physics.uc.edu>
16119 partial PR tree-opt/17064
16120 * tree-ssa-structalias.c (intra_create_variable_infos):
16121 Create heap variables for incoming parameters if
16122 flag_argument_noalias > 1.
16123 (find_what_p_points_to): Look through default defs of
16126 2006-01-26 Jeff Law <law@redhat.com>
16129 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16130 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16131 within the VR_RANGE, use the VR_RANGE as the result, not the
16133 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16134 bounds for the type.
16136 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16138 * tree-ssa-alias.c (maybe_create_global_var): Change
16139 subvar walking to an assertion that we don't have subvar'd variables.
16141 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16144 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16145 Use a new variable, inner. PARM_DECLs are always non-weak.
16147 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16149 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16150 --disable-checking.
16152 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16154 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16156 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16158 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16159 (smax_insn, smin_insn, smax_0, smin_0): New.
16161 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16164 * config/cris/cris.c (cris_order_for_addsi3): New function.
16165 * config/cris/cris-protos.h: Prototype it.
16166 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16167 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16168 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16169 (split for "op.S1 [rx=rx+i],ry (swapped)")
16170 (split for "op(s|u).S1 [rx=rx+i],ry")
16171 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16172 Apply cris_order_for_addsi3 when generating addsi3 insns.
16174 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16176 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16177 (TREE_BLOCK): Add call to EXPR_CHECK.
16179 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16182 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16183 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16184 (dump_omp_clauses): ... here.
16185 (dump_generic_node): Handle OMP_CLAUSE.
16186 * tree.c (omp_clause_num_ops): New.
16187 (omp_clause_code_name): New.
16188 (tree_code_size): Handle OMP_CLAUSE.
16189 (tree_size): Likewise.
16190 (make_node): Document handling of OMP_CLAUSE.
16191 (tree_node_structure): Handle OMP_CLAUSE.
16192 (omp_clause_check_failed): New.
16193 (omp_clause_range_check_failed): New.
16194 (omp_clause_operand_check_failed): New.
16195 (build_omp_clause): New.
16196 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16197 * tree.h (enum omp_clause_code): Declare.
16198 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16199 (OMP_CLAUSE_RANGE_CHECK): Define.
16200 (OMP_CLAUSE_ELT_CHECK): Define.
16201 (omp_clause_check_failed): Declare.
16202 (omp_clause_operand_check_failed): Declare.
16203 (omp_clause_range_check_failed): Declare.
16204 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16205 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16206 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16207 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16208 (OMP_CLAUSE_IF_EXPR): Likewise.
16209 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16210 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16211 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16212 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16213 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16214 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16215 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16216 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16217 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16218 (OMP_CLAUSE_CODE): Define.
16219 (OMP_CLAUSE_SET_CODE): Define.
16220 (OMP_CLAUSE_CODE): Define.
16221 (OMP_CLAUSE_OPERAND): Define.
16222 (struct tree_omp_clause): Declare.
16223 (union tree_node): Add field 'omp_clause'.
16224 * treestruct.def (TS_OMP_CLAUSE): Define.
16225 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16226 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16227 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16228 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16229 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16230 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16231 (OMP_CLAUSE): Define.
16232 * print-tree.c (print_node): Handle OMP_CLAUSE.
16233 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16234 * c-typeck.c: Likewise.
16235 * gimplify.c: Likewise.
16236 * c-omp.c: Likewise.
16237 * tree-nested.c: Likewise.
16238 * tree-inline.c: Likewise.
16239 * c-parser.c: Likewise.
16240 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16243 2006-01-25 Roger Sayle <roger@eyesopen.com>
16245 PR rtl-optimization/25703
16246 * combine.c (try_combine): Handle zero_extract and strict_low_part
16247 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16249 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16251 * global.c: Fix comment typos.
16253 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16256 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16257 Use output_addr_const instead of assemble_name.
16259 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16261 * Makefile.in (sched-vis.o): Update dependencies.
16262 * haifa-sched.c (sched_finish): Clear current_sched_info.
16263 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16264 (dump_flow_info): Call it.
16265 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16267 * basic-block.h (dump_bb_info): Declare.
16268 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16269 option, and apply options only for dump files whose TDF_RTL,
16270 TDF_TREE, or TDF_IPA bits match.
16271 * rtl.h: Declare new functions exported from sched-vis.c.
16272 * sched-vis.c: Enable also if scheduling is not used.
16273 (print_value): Print the mode of registers if not inside scheduling.
16274 (print_insn): Make it work outside the scheduler. Beautify the output
16276 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16278 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16280 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16281 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16282 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16283 depending on the value of CONSTANT_POOL_ADDRESS_P.
16284 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16286 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16287 rather than SYMBOL_REF_DECL.
16288 (rtx_constant_pool): Remove const_rtx_sym_htab.
16289 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16290 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16291 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16292 Remove handling of const_rtx_sym_htab.
16293 (find_pool_constant): Delete.
16294 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16295 rather than find_pool_constant.
16296 (get_pool_constant_for_function): Delete.
16297 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16298 find_pool_constant.
16299 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16300 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16301 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16302 (SYMBOL_REF_CONSTANT): New macro.
16303 (get_pool_constant_for_function): Delete.
16304 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16305 rather than SYMBOL_REF_DECL.
16306 (i386_pe_mark_dllimport): Likewise.
16307 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16308 rather than SYMBOL_REF_DECL.
16309 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16310 (machopic_indirect_call_target): Likewise.
16312 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16314 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16316 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16318 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16320 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16322 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16324 2006-01-24 David Daney <ddaney@avtrex.com>
16327 * configure.ac (enable_tls): New enable option.
16328 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16329 * configure: Regenerate.
16330 * doc/install.texi (--enable-tls): Document new option.
16331 (--disable-tls): Ditto.
16333 2006-01-24 Richard Henderson <rth@redehat.com>
16335 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16336 * alias.c (true_dependence): Respect it.
16337 (canon_true_dependence, write_dependence_p): Likewise.
16338 * builtins.c (get_builtin_sync_mem): Set it.
16340 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16342 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16345 2006-01-24 DJ Delorie <dj@redhat.com>
16347 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16348 for storing constants in single-bit bitfields.
16350 2006-01-25 Ben Elliston <bje@au.ibm.com>
16352 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16354 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16357 * tree-ssa-pre.c (phi_translate): Return NULL
16358 for AGGREGATE_TYPE's.
16360 2006-01-24 Zack Weinberg <zackw@panix.com>
16362 * genautomata.c (process_state_for_insn_equiv_partition):
16363 Use xcalloc for insn_arcs_array.
16364 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16365 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16367 2006-01-24 Richard Henderson <rth@redhat.com>
16369 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16370 update all callers.
16372 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16374 PR rtl-optimization/25890
16375 PR rtl-optimization/25905
16376 * combine.c (expand_compound_operation, expand_field_assignment):
16377 Fail if the bitfield's final position is out of bounds.
16379 2006-01-24 Ian Lance Taylor <ian@airs.com>
16381 PR middle-end/25930
16382 * cgraphunit.c (cgraph_output_in_order): Don't clear
16383 cgraph_asm_nodes until after asm strings have been output.
16385 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16387 * fix-header.c (read_scan_file): Add new parameter imultilib when
16388 calling register_include_chains.
16390 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16392 * omp-low.c: Update documentation.
16394 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16395 Daniel Berlin <dberlin@dberlin.org>
16399 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16400 return from the function.
16402 2006-01-22 Zack Weinberg <zackw@panix.com>
16404 * rtl.def (match_code): Add second argument.
16405 * genpreds.c (write_extract_subexp): New function.
16406 (write_match_code): Add path argument. Use write_extract_subexp.
16407 (write_predicate_expr): Pass path to write_match_code.
16408 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16409 not perform a mode test.
16410 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16411 a subexpression does not constrain the top-level code set.
16412 * read-rtl.c (read_rtx_variadic): New function.
16413 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16414 * doc/md.texi: Document new notation.
16415 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16416 (cmpsi_operand): ... here, using new notation.
16418 2006-01-22 Zack Weinberg <zackw@panix.com>
16420 * varray.c: Remove GENERATOR_FILE #ifdefs.
16422 2006-01-22 Zack Weinberg <zackw@panix.com>
16424 * genautomata.c (output_reserved_units_table): Emit nothing if
16425 description->query_units_num is zero. Remove extra blank line.
16426 (output_cpu_unit_reservation_p): Short circuit
16427 if description->query_units_num is zero.
16429 2006-01-22 Zack Weinberg <zackw@panix.com>
16431 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16432 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16433 nor any of the random handful of variables that used to be necessary
16434 when this program was linked with rtlanal.o. Prune set of forward
16435 function declarations.
16436 (struct attr_desc): Remove static_p field.
16437 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16438 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16439 (attr_string): Do not read the character one past the length of
16441 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16442 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16443 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16444 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16445 (make_automaton_attrs): New.
16446 (main): Do not call into genautomata. Call local gen_bypass
16447 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16448 Remove special case for insn_alts.
16449 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16450 varray.h (leftover from previous change). Prune set of forward
16451 function declarations. Remove state_alts fields from all
16452 structures. Remove state_alts_table from struct automaton.
16453 Make everything except main static. Do not maintain num_dfa_decls.
16454 Do not maintain state_alts fields of various structures.
16455 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16456 (add_arc): Remove state_alts argument. All callers updated.
16457 (output_reserved_units_table): Emit #ifdef here...
16458 (output_tables): ...not here. Don't generate state_alts tables.
16459 (expand_automata): Don't generate attributes.
16460 (write_automata): Don't generate state_alts functions.
16461 (main): New function.
16462 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16463 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16464 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16465 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16466 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16467 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16468 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16469 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16471 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16472 * genattrtab.h: Delete file.
16473 * Makefile.in (OBJS-common): Add insn-automata.o.
16474 (insn-automata.o): New rule.
16475 (simple_generated_c): Add insn-automata.c.
16476 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16477 (genprogmd): Add automata.
16478 (build/genattrtab): Needs no extra objects nor libraries.
16479 (build/genautomata): Needs build/vec.o and -lm.
16481 2006-01-22 Zack Weinberg <zackw@panix.com>
16483 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16484 (output_dfa_max_issue_rate, locked_states_num): Delete.
16485 (struct automaton): Add locked_states field.
16486 (output_dead_lock_vect): Save number of locked states in
16487 automaton->locked_states. If it is zero, don't print anything.
16488 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16489 (output_internal_dead_lock_func): Only test the dead_lock_vect
16490 for automata that have locked states.
16491 (output_statistics): Always print the number of locked states for
16492 each automaton. Calculate total number of locked states here.
16493 (write_automata): Don't call output_dfa_max_issue_rate.
16494 * genattrtab.c: Define length_unit_log as a const variable.
16495 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16496 max_insn_queue_index const.
16497 * final.c (length_unit_log): Declare const.
16498 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16500 2006-01-22 Zack Weinberg <zackw@panix.com>
16502 * genautomata.c: Include vec.h, not varray.h.
16503 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16504 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16505 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16506 VEC_* macros operating on appropriately typed vectors, or to
16507 malloced arrays when the size is known in advance. Const-ify
16508 many char* variables and function arguments. No functional changes.
16509 * Makefile.in (build/varray.o): Delete rule.
16510 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16511 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16513 2006-01-22 Zack Weinberg <zackw@panix.com>
16515 * gensupport.c: Define get_insn_name and record_insn_name here.
16516 (read_md_rtx): Call record_insn_name as appropriate.
16517 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16518 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16519 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16521 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16522 (BUILD_VARRAY): Delete.
16523 (genprognormal): Rename genprogmd. Fold in all programs from
16524 genprognoprint; also attrtab.
16525 (build/genattrtab): Just mention genautomata.o and varray.o.
16526 Reorganize a bit, add comments to make the categories clearer.
16528 2006-01-22 Zack Weinberg <zackw@panix.com>
16530 * genconditions.c (condition_table, add_condition): Delete.
16531 (write_conditions): Don't emit n_insn_conditions nor
16532 insn_elision_unavailable. Issue the gcc version #ifdef here,
16533 inside the table, with no #else clause ...
16534 (write_header): ...not here.
16535 (write_writer): New function.
16536 (main): Don't initialize condition_table. Use add_c_test.
16538 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16539 files on the command line.
16540 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16541 Return -1 if there is no entry in the table, don't abort.
16542 (add_c_test, traverse_c_tests): New functions.
16543 * gensupport.h (insn_elision_unavailable, insn_conditions)
16544 (n_insn_conditions): Delete declarations.
16545 (add_c_test, traverse_c_tests): Declare.
16546 * read-rtl.c: Include gensupport.h.
16547 (read_conditions): New function.
16548 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16549 (read_rtx_1): If we get EOF when we were looking for an initial
16550 open paren, return 0. Call read_conditions when appropriate.
16551 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16552 dummy-conditions.o. Eliminate references to insn-conditions.o,
16553 or change them to build/gencondmd.o, as appropriate. Remove
16554 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16555 from $(simple_generated_c). For all files remaining in those
16556 two lists, add insn-conditions.md to the generator command line.
16557 Give insn-constants.h/s-constants their own rules. Add rules
16558 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16559 (build/read-rtl.o): Depend on gensupport.h.
16560 (genprognormal): Include preds.
16561 (genprogearly): Rename genprognoprint; only difference is now that
16562 they don't link with $(BUILD_PRINT).
16563 * dummy-conditions.c: Delete.
16565 2006-01-22 Zack Weinberg <zackw@panix.com>
16567 * genextract.c: Don't include insn-config.h. Do include vec.h.
16568 Declare vectors of int, char, and locstr.
16569 (locstr): New typedef.
16570 (struct extraction): Make all array fields into bare pointers.
16571 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16572 (insn_code_number): Delete.
16573 (accum_extract): New struct.
16574 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16575 (gen_insn): Take insn_code_number as an argument. Use an
16576 accum_extract structure instead of loading data directly into
16577 a struct extraction, and having to know how big it might get.
16578 (walk_rtx): Operate entirely on an accum_extract structure.
16579 (print_path): Avoid unnecessary use of printf.
16580 (print_header): New function, split out of main. Distinguish
16581 more carefully between an unrecognizable insn and an insn that
16582 has the code number of a define_expand.
16583 (main): Pass insn_code_number to gen_insn. Call print_header
16584 only after parsing. Avoid unnecessary use of printf.
16585 * Makefile.in (build/vec.o): New rule.
16586 (build/genextract): Depend on build/vec.o.
16587 (build/genextract.o): Don't depend on insn-config.h.
16589 2006-01-22 Zack Weinberg <zackw@panix.com>
16591 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16592 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16593 practical. Eliminate per-generator-program link rules.
16595 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16597 PR middle-end/24437
16598 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16599 with a call expr to ...
16600 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16602 2006-01-23 Richard Guenther <rguenther@suse.de>
16604 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16605 before make_edge with conditional EDGE_TRUE_VALUE.
16607 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16608 Jan Hubicka <jh@suse.cz>
16609 Richard Guenther <rguenther@suse.de>
16611 PR rtl-optimization/25654
16612 * cfgexpand.c (aggregate_contains_union_type): New function.
16613 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16614 for structure variables that contain a union type.
16616 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16618 * gengtype.c (new_structure): Return the structure.
16619 (create_option): Add an extra "next" argument.
16620 (create_field): New function.
16621 (adjust_field_rtx_def): Use create_option and create_field.
16622 Remove a now-unnecessary call to find_structure.
16623 (adjust_field_tree_def): Likewise.
16624 (note_yacc_type): Remove an unnecessary call to find_structure.
16625 * gengtype.h (new_structure): Return the structure.
16626 (create_option): Add an extra argument.
16627 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16628 (option): Adjust calls to create_option.
16630 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16632 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16634 2006-01-22 Paul Brook <paul@codesourcery.com>
16635 Peter Barada <peter@the-baradas.com>
16637 * config/m68k/m68k.md: Add Coldfire FPU support.
16638 Define FP mode macro and associated attributes.
16639 Use it for float mode patterns.
16640 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16641 (LIBCALL_VALUE): Use m68k_libcall_value.
16642 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16643 (m68k_function_value): Ditto.
16644 (emit_move_sequence): Ditto.
16645 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16646 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16647 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16648 (MULTILIB_EXCEPTIONS): Ditto.
16649 * config/m68k/m68k.opt: Add mcfv4e.
16650 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16651 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16652 (m68k_output_function_prologue): Save ColdFire FPU registers.
16653 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16654 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16655 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16656 ColdFire FPU registers.
16657 (m68k_libcall_value, m68k_function_value): New functions.
16658 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16659 (LIBCALL_VALUE): Use m68k_libcall_value.
16660 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16661 (MASK_COLDFIRE): Add MASK_CFV4E.
16662 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16663 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16664 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16665 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16666 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16667 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16668 * doc/invoke.tex: Document -mcfv4e on m68k.
16670 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16672 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16675 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16678 * c-opts.c (c_common_handle_option): Don't include
16679 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16680 * doc/invoke.texi (C++ Dialect Options): Document that
16681 -Wnon-virtual-dtor is no longer included in -Wall.
16683 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16685 * gcov.c (print_version), gcov-dump.c (print_version),
16686 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16689 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16691 * df-scan.c (problem_SCAN): Added NULL reset function.
16692 (df_scan_reset_blocks): Added code to call reset block function
16693 (df_bb_refs_delete) Fixed comment.
16694 (df_insn_refs_delete): Made tolerant of deleting non existent info
16695 for dataflow problems that need to be reset.
16696 * df-core.c (df_set_blocks): Ditto.
16697 * df.h (struct df_problem): Added reset_fun.
16698 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16699 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16700 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16701 functions to clear out all references to def-use or use-def chains.
16703 2006-01-21 Ben Elliston <bje@au.ibm.com>
16705 * varasm.c (assemble_real): Initialise data array.
16707 2006-01-20 Paul Brook <paul@codesourcery.com>
16709 Merge from csl-arm-branch.
16710 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16711 * config/arm/arm.md (movdi): Force operands[1] to a register
16712 if we have a non-register source.
16713 (*arm_movdi, *movdf_soft_insn): Require that one of the
16714 operands be a register.
16715 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16716 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16718 2006-01-20 DJ Delorie <dj@redhat.com>
16720 * varasm.c (initializer_constant_valid_p): Allow pointers
16721 initialized from integer constants of lesser precision.
16722 (output_constant): Allow non-int-sized pointer modes to be
16723 initialized from integer constants.
16725 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16728 * cppdefault.h (struct default_include): Add multilib flag.
16729 * cppdefault.c (cpp_include_defaults): Set it.
16730 * c.opt (-imultilib): New option.
16731 * c-opts.c (imultilib): New.
16732 (c_common_handle_option): Handle -imultilib.
16733 (c_common_post_options): Likewise.
16734 * c-incpath.c (add_standard_paths, register_include_chains):
16736 * c-incpath.h (register_include_chains): Add extra parameter.
16737 * gcc.c (do_spec_1): Generate -imultilib option.
16738 (The Specs Language): Update %I description.
16739 (process_command): Update copyright notice.
16740 * doc/cppopts.texi (-imultilib): Document.
16741 * doc/invoke.texi (-imultilib): Include in option summary.
16742 (%I): Update specs documentation.
16744 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16746 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16748 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16750 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16753 2006-01-20 Richard Guenther <rguenther@suse.de>
16754 Steven Bosscher <stevenb.gcc@gmail.com>
16756 PR rtl-optimization/24626
16757 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16758 EDGE_TRUE_VALUE if in RTL mode.
16761 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16762 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16764 2006-01-20 Dirk Mueller <dmueller@suse.com>
16767 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16768 instead of a special NOP marker.
16769 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16770 NOP marker handling.
16771 * c-common.h (empty_body_warning): Add forward declaration.
16772 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16773 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16775 2006-01-20 Paul Brook <paul@codesourcery.com>
16777 * Makefile.in (lang_checks): Keep going if mkdir fails.
16779 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16781 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16782 be able to clean out basic block when not necessary.
16783 (df_scan_free): Fixed to properly delete information if df is
16784 unused before calling df_finish.
16785 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16786 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16788 (df_bb_refs_delete): New function.
16789 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16790 * df-core.c (df_set_blocks): Added code to properly clean out
16791 unused blocks if they are not part of the blocks to consider.
16792 Added additional null check.
16793 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16794 be able to clean out basic block when not necessary
16795 * df.h (df_free_bb_function): Ditto.
16796 (df_bb_refs_delete): New function.
16797 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16798 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16799 basic block parameter to be able to clean out basic block when not
16801 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16802 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16803 Fixed to properly delete information if df is unused before
16806 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16808 PR rtl-optimization/25799
16809 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16810 Corrected confluence operator to remove bits from op2 before oring
16811 with op1 rather than removing bits from op1.
16812 (df_ru_transfer_function): Corrected test on wrong bitmap which
16813 caused infinite loop. Both of these problems were introduced in
16814 the dataflow rewrite.
16816 2006-01-19 DJ Delorie <dj@redhat.com>
16818 * reload1.c (find_reload_regs): Note the details of reload
16819 failures in the dump file.
16820 (spill_failure): Likewise.
16822 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16824 * loop-iv.c: Include df.h and hashtab.h.
16825 (enum iv_grd_result): New enum.
16826 (DF_REF_IV, DF_REF_IV_SET): New macros.
16827 (struct biv_entry): New.
16828 (df, bivs): New global variables.
16829 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16830 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16832 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16833 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16834 analyzed_for_bivness_p, record_biv): New functions.
16835 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16836 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16837 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16839 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16841 (iv_number_of_iterations): Use new interface to iv analysis.
16842 * loop-unroll.c: Do not include varray.h.
16843 (analyze_iv_to_split_insn): Use new interface to iv
16845 * loop-unswitch.c (may_unswitch_on): Ditto.
16846 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16848 (df_bb_modify): Realloc tables to the new index.
16849 (df_find_use): New function.
16850 * df.h (df_find_use): Declare.
16851 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16853 * cfgloop.h (struct rtx_iv): Remove analysed field.
16854 (iv_get_reaching_def): Removed.
16855 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16856 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16857 (loop-iv.o): Add df.h and hashtab.h dependency.
16858 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16860 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16863 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16865 (__floatundisf, __floatundidf): Likewise.
16866 * libgcc2.h (IS_IBM_EXTENDED): Define.
16868 2006-01-19 DJ Delorie <dj@redhat.com>
16870 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16872 2006-01-19 Paul Brook <paul@codesourcery.com>
16874 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16875 as nothrow when unwinding tables are disabled.
16877 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16880 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16881 of bit-field" when in system header.
16883 2006-01-19 DJ Delorie <dj@redhat.com>
16885 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16886 the 16 bit shift limit of the m16c.
16888 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16891 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16892 * config/i386/i386.c (output_set_got): Output the label if we have one
16893 for the TARGET_DEEP_BRANCH_PREDICTION case.
16895 2006-01-19 Jan Hubicka <jh@suse.cz>
16896 H.J. Lu <hongjiu.lu@intel.com>
16897 Evandro Menezes <evandro.menezes@amd.com>
16899 * invoke.texi (generic): Document
16901 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16902 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16903 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16904 (x86_use_incdec, x86_pad_returns): New variables
16905 (TARGET_CPU_DEFAULT_generic): New constant
16906 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16907 (enum processor_type): Add generic32 and generic64.
16908 * i386.md (cpu attribute): Add generic32/generic64
16909 (movhi splitter): Behave sanely when both partial_reg_dependency and
16910 partial_reg_stall are set.
16911 (K8 splitters): Enable for generic as well.
16912 * predicates.md (incdec_operand): Use TARGET_INCDEC
16913 (aligned_operand): Avoid memory mismatch stalls.
16914 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16915 * ppro.md: Enable for generic32
16916 * i386.c (generic64_cost, generic32_cost): New.
16917 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16918 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16919 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16920 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16921 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16922 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16923 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16924 x86_accumulate_outgoing_args, x86_prologue_using_move,
16925 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16926 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16927 Enable for generic.
16928 (x86_use_incdec, x86_pad_returns): New.
16929 (override_options): Add generic32 and generic64, translate "generic"
16930 to generic32/generic64 and "i686" to "generic32", refuse
16931 "generic32"/"generic64" as arch target.
16932 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16933 (ix86_reorg): Honor PAD_RETURNS.
16935 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16937 * tree-pretty-print.c (dump_generic_node): Handle
16938 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16939 * cgraph.c (cgraph_expand_queue): Rename from
16940 cgraph_analyze_queue. Update all users.
16941 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16942 cgraph_expand_queue.
16943 (cgraph_expand_all_functions): Likewise.
16944 (cgraph_finalize_pending_functions): Remove. Update callers.
16946 * tree.h (OMP_DIRECTIVE_P): Define.
16947 (OMP_PARALLEL_FN): Define.
16948 (OMP_PARALLEL_DATA_ARG): Define.
16949 (OMP_SECTIONS_SECTIONS): Define.
16950 * tree-pass.h (pass_expand_omp): Declare.
16951 * omp-low.c (struct omp_region): Declare.
16952 (struct omp_context): Remove fields 'parallel_type',
16953 'parallel_start_ix' and 'parallel_start_additional_args'.
16955 (struct omp_for_data): Rename from struct expand_omp_for_data.
16956 (omp_regions): New static variable.
16957 (root_omp_region): New static variable.
16958 (find_omp_clause): Make static.
16959 (is_in_combined_parallel_ctx): Remove.
16960 (is_combined_parallel): New.
16961 (extract_omp_for_data): Move earlier in the file.
16962 (workshare_safe_to_combine_p): New.
16963 (get_ws_args_for): New.
16964 (determine_parallel_type): Move earlier in the file.
16965 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16967 (omp_copy_decl): Likewise.
16968 (create_omp_child_function): Likewise.
16969 (lookup_omp_region): New.
16970 (dump_omp_region): New.
16971 (debug_omp_region): New.
16972 (debug_all_omp_regions): New.
16973 (new_omp_region): New.
16974 (scan_omp_parallel): If parallel_nesting_level > 1, the
16975 directive is nested within another parallel directive.
16976 Set OMP_PARALLEL_FN.
16977 (scan_omp_for): Do not try to handle combined parallel+for
16979 Remove FIXME comment.
16980 (scan_omp_nested): Remove.
16981 (scan_omp_1): Do not call scan_omp_nested when
16982 parallel_nesting_level is > 1.
16983 Do not change the DECL_CONTEXT of local variables found.
16984 (lookup_decl_in_outer_ctx): New.
16985 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16986 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16987 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16988 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16989 If CTX is nested, lookup VAR in the outer context when
16990 building copy assignment.
16991 (lower_send_clauses): Rename from expand_send_clauses.
16992 If CTX is nested, lookup VAR in the outer context when
16993 building copy assignments.
16994 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16995 If CTX is nested, lookup VAR in the outer context when
16996 building copy assignments.
16997 (expand_parallel_call): Rename from build_parallel_call.
16998 Handle combined parallel+workshare cases.
16999 Re-implement to emit code into the CFG.
17001 (expand_omp_parallel): Re-implement to emit code into the CFG.
17002 Call move_sese_region_to_fn to outline the sub-graph
17003 containing the parallel region.
17004 (expand_omp_for_1): Remove.
17005 (expand_omp_for_generic): Re-implement to emit code into the
17007 (expand_omp_for_static_nochunk): Likewise.
17008 (expand_omp_for_static_chunk): Likewise.
17009 (expand_omp_for): Likewise.
17010 (expand_omp_sections): Likewise.
17011 (remove_exit_barriers): New.
17012 (expand_omp_synch): New.
17014 (build_omp_regions_1): New.
17015 (build_omp_regions): New.
17016 (execute_expand_omp): New.
17017 (gate_expand_omp): New.
17018 (pass_expand_omp): Define.
17019 (lower_omp_sections): Rename from expand_omp_sections.
17020 Set OMP_SECTIONS_SECTIONS.
17021 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17022 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17023 (lower_omp_single): Rename from expand_omp_simple.
17024 (lower_omp_master): Rename from expand_omp_master.
17025 (lower_omp_ordered): Rename from expand_omp_ordered.
17026 (lower_omp_critical): Rename from expand_omp_critical.
17027 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17028 (lower_omp_for): Re-implement.
17029 (lower_omp_parallel): Re-implement.
17030 (lower_regimplify): Rename from expand_regimplify.
17031 (lower_omp_1): Rename from expand_omp_1.
17032 If there are syntax errors in the program, replace every
17033 OpenMP directive with NOP.
17034 Call lower_omp_* instead of expand_omp_*.
17035 (lower_omp): Rename from expand_omp.
17037 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17038 * tree-gimple.h (enum omp_parallel_type): Remove.
17039 (gimple_boolify): Declare extern.
17040 (find_omp_clause, determine_parallel_type): Remove.
17042 * gimple-low.c (lower_omp_directive): New.
17043 (lower_stmt): Call it.
17044 (record_vars_into): Move from ...
17045 (record_vars): ... here.
17046 Call record_vars_into with current_function_decl.
17048 * gimplify.c (struct gimplify_ctx): Remove fields
17049 combined_pre_p and combined_ctxp. Update users.
17050 (get_formal_tmp_var): Add documentation.
17051 (gimple_boolify): Make extern.
17052 (gimplify_expr_in_ctx): Remove. Update callers.
17053 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17054 will always be a BIND_EXPR.
17055 (gimplify_expr): Handle OMP_RETURN_EXPR.
17056 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17057 (OMP_PARALLEL): Add 3 operands.
17058 (OMP_SECTIONS): Add 1 operand.
17059 (OMP_RETURN_EXPR): Define.
17061 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17062 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17063 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17064 creating a circular free list.
17065 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17067 * tree-flow.h (move_sese_region_to_fn): Declare.
17068 (record_vars_into): Declare.
17069 * tree-cfg.c (make_omp_sections_edges): New.
17070 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17071 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17072 OMP_SECTIONS and OMP_SECTION.
17073 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17074 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17075 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17076 (gather_blocks_in_sese_region): New.
17077 (struct move_stmt_d): Declare.
17078 (move_stmt_r): New.
17079 (move_block_to_fn): New.
17080 (move_sese_region_to_fn): New.
17082 * passes.c (init_optimization_passes): Schedule
17083 pass_expand_omp after pass_init_datastructures.
17085 * tree-ssa-operands.c (get_expr_operands): Handle
17086 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17087 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17089 2006-01-19 Jeff Law <law@redhat.com>
17091 * tree-vrp.c (extract_range_from_assert): Refine the result range
17092 if the variable referenced by the ASSERT_EXPR has a range and
17093 either the tentative result range or the previous range is a
17096 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17098 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17100 2006-01-19 Jan Hubicka <jh@suse.cz>
17102 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17104 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17106 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17107 (expand_compound_operation, expand_field_assignment): Fail if the
17108 bit lengths of an extract operation are out of range.
17109 (make_extraction): Compute wanted_inner_mode based on the position
17110 and length of the extraction. Make it extraction_mode for non-constant
17111 positions, and do not modify offset in that case. When generating a
17112 new MEM, use a mode that can hold the extraction while keeping correct
17113 alignment. Remove code that supported MEMs wrapped by USEs.
17114 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17116 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17118 * config/s390/s390.md ("Y", "y"): New mode attribute.
17119 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17120 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17121 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17122 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17123 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17124 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17125 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17126 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17127 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17128 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17129 "addsi3", "subsi3"): Insn patterns removed.
17130 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17131 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17132 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17133 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17134 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17135 "*sub<mode>3_cconly2"): New insn patterns.
17136 ("addsi3", "subsi3"): New expanders.
17138 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17140 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17141 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17142 existing STMT_VINFO_VECTYPE if available.
17143 (vect_mark_relevant): Add special handling for stmts that are
17144 marked as STMT_VINFO_IN_PATTERN_P.
17145 (vect_analyze_loop): Call vect_pattern_recog.
17146 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17147 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17149 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17150 (vect_recog_func_ptr): New function-pointer type.
17151 * tree-vect-patterns.c: New file.
17152 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17153 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17154 (vect_pattern_recog_1): New functions.
17155 (vect_pattern_recog_funcs): New array of function pointers.
17157 * tree-vectorizer.h (ternary_op): New enum value.
17158 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17159 declaration. Revised documentation. Removed redundant dump prints.
17160 Removed redundant argument. Added support for reduction patterns.
17161 (vectorizable_reduction): Added support for reduction patterns.
17162 (vect_transform_stmt): Added support for patterns.
17164 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17165 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17166 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17167 (expand_widen_pattern_expr): New function.
17168 (init_optabs): Initialize new optabs udot_prod_optab,
17170 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17171 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17172 (expand_widen_pattern_expr): New function declaration.
17173 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17175 * tree-inline.c (estimate_num_insns_1): Added cases for new
17176 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17177 * tree-pretty-print.c (dump_generic_node): Likewise.
17178 (op_prio): Likewise.
17179 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17180 * tree-ssa-operands.c (get_expr_operands): Added case for
17182 * tree-vect-patterns.c (widened_name_p): New function.
17183 (vect_recog_dot_prod_pattern): Added function implementation.
17184 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17185 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17186 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17187 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17189 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17190 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17191 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17192 (init_optabs): Initialize new optabs widen_ssum_optab,
17194 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17195 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17196 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17197 use instead of type of def.
17198 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17199 function implementation.
17200 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17201 widen_ssumv8hi): New.
17203 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17206 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17209 * c-decl.c (add_flexible_array_elts_to_size): New function.
17210 (finish_decl): Use it.
17212 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17214 * diagnostic.h: Include options.h.
17215 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17216 dependancies for diagnostic.h.
17217 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17219 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17221 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17222 (ssa_ro_call_cache_valid): Ditto.
17223 * tree-ssa-alias.c (sort_tags_by_id): New function.
17224 (init_transitive_clobber_worklist): Ditto.
17225 (add_to_worklist): Ditto.
17226 (mark_aliases_call_clobbered): Ditto.
17227 (compute_tag_properties): Ditto.
17228 (set_initial_properties): Ditto.
17229 (compute_call_clobbered): Ditto.
17230 (compute_may_aliases): Call compute_call_clobbered and grouping.
17231 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17232 (compute_flow_insensitive_aliasing): Grouping now happens in our
17234 (setup_pointers_and_addressables): Remove clobbering related code.
17235 (add_may_alias): Ditto.
17236 (replace_may_alias): Ditto.
17237 (get_nmt_for): Ditto.
17238 (create_global_var):
17239 (is_escape_site): Return an escape_type enumeration.
17240 * tree-flow-inline.h (is_call_clobbered): Global var does not
17241 imply call clobbered.
17242 (mark_call_clobbered): Take a reason for marking this. Remove
17243 marking of globalness, and cache invalidation.
17244 (clear_call_clobbered): Remove cache invalidation code.
17245 * tree-dfa.c (dump_variable): If details is on, dump the reason
17247 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17249 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17250 (struct var_ann_d): Ditto.
17251 (enum escape_type): New.
17252 (mark_call_clobbered): Adjust prototype.
17253 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17254 are never call clobbered.
17255 Record reasons for escaping.
17256 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17257 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17258 (ssa_ro_call_cache_valid): Ditto.
17259 (clobbered_v_may_defs): Ditto.
17260 (clobbered_vuses): Ditto.
17261 (ro_call_vuses): Ditto.
17262 (clobber_stats): New.
17263 (init_ssa_operands): Zero out clobber stats.
17264 (fini_ssa_operands): Print out clobber stats.
17265 (get_call_expr_operands): Pass callee fndecl to
17266 add_call_read_ops).
17267 (add_call_clobber_ops): Remove use of cache.
17268 Add use of PURE_CONST information.
17269 (add_call_read_ops): Remove use of cache.
17270 Add use of static not_read information.
17272 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17274 Introduce TLS descriptors for i386 and x86_64.
17275 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17276 (TARGET_ANY_GNU_TLS): New macro.
17277 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17278 (struct machine_function): Add tls_descriptor_call_expanded_p.
17279 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17280 (ix86_current_function_calls_tls_descriptor): Likewise.
17281 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17282 (override_options): Introduce gnu2 tls dialect.
17283 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17285 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17287 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17288 (ix86_init_machine_status): Initialize new field.
17289 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17290 (ix86_tls_module_base): New.
17291 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17292 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17293 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17294 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17295 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17296 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17297 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17298 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17299 * config/i386/predicates.md (tls_modbase_operand): New.
17300 (tp_or_register_operand): New.
17302 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17304 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17305 (look_for_address_of): Ditto.
17306 (ipa_init): Walk the function decls.
17307 (static_execute): Don't set readonly on FUNCTION_DECL's.
17309 2006-01-18 Roger Sayle <roger@eyesopen.com>
17311 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17312 for shifts where the source and destination registers are different.
17314 2006-01-18 Paul Brook <paul@codesourcery.com>
17316 Merge from csl-arm-branch.
17317 2005-03-14 Julian Brown <julian@codesourcery.com>
17318 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17319 (aeabi_llsl): Likewise.
17320 (ashrdi3): Likewise.
17321 (aeabi_lasr): Likewise.
17322 (lshrdi3): Likewise.
17323 (aeabi_llsr): Likewise.
17324 2005-03-10 Julian Brown <julian@codesourcery.com>
17325 * config.gcc: Disable shared libgcc for SymbianOS.
17326 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17328 2006-01-18 DJ Delorie <dj@redhat.com>
17330 * c-pragma.c (handle_pragma_diagnostic): New.
17331 (init_pragma): Register it.
17332 * doc/extend.texi: Document it.
17334 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17335 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17336 (diagnostic_context): Add classify_diagnostic[].
17337 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17338 as errors if they're overridden to DK_WARNING.
17339 (diagnostic_initialize): Initialize classify_diagnostic[].
17340 (diagnostic_set_kind_override): New.
17341 (diagnostic_report_diagnostic): Check for kind changes.
17342 * opts.c (common_handle_option): Take lang_mask. Update callers.
17343 Handle OPT_Werror_.
17344 * common.opt (Werror=): New.
17345 * doc/invoke.texi: Document -Werror=*
17347 2006-01-18 Jeff Law <law@redhat.com>
17349 * tree-vrp.c (test_for_singularity): Correct test for new
17350 min limit. Use operand_equal_p rather than pointer equality
17351 for testing if new min/max values are equal.
17353 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17354 using range information until after propagation and folding.
17356 2006-01-18 Richard Henderson <rth@redhat.com>
17357 Aldy Hernandez <aldyh@redhat.com>
17358 Jakub Jelinek <jakub@redhat.com>
17359 Diego Novillo <dnovillo@redhat.com>
17361 * omp-low.c: New file.
17362 * c-omp.c: New file.
17364 2006-01-18 Richard Henderson <rth@redhat.com>
17365 Jakub Jelinek <jakub@redhat.com>
17366 Diego Novillo <dnovillo@redhat.com>
17368 * doc/invoke.texi: Document -fopenmp.
17369 * tree-dump.h (debug_function): Declare.
17370 * hooks.c (hook_bool_tree_bool_false): New function.
17371 (hook_tree_tree_null): Remove.
17372 (hook_tree_tree_tree_null): New.
17373 * hooks.h: Update to match.
17374 * tree-pretty-print.c (debug_tree_chain): New.
17375 (print_generic_expr): Handle TDF_CHAIN.
17376 (dump_generic_node): Handle BLOCK.
17377 Do not abort with incomplete SWITCH_EXPRs.
17378 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17379 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17380 print space after directive name.
17381 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17382 Handle OMP_MASTER and OMP_ORDERED.
17383 Handle printing of OMP_BODY just in one place, goto
17384 dump_omp_body in the rest of OMP_* nodes that have
17386 Don't handle clause nodes here. Update omp statements to
17387 use dump_omp_clauses.
17388 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17389 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17390 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17391 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17392 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17393 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17394 Adjust output for GOMP_PARALLEL.
17395 (dump_omp_clauses): New.
17396 (print_declaration): Dump DECL_VALUE_EXPR.
17397 (op_symbol_1): Split out of op_symbol.
17398 (dumping_stmts): Remove. Update all users.
17399 * cgraph.c (cgraph_analyze_queue): New.
17400 (cgraph_add_new_function): New.
17401 * cgraph.h (cgraph_analyze_queue): Declare.
17402 (cgraph_add_new_function): Declare.
17403 (cgraph_lower_function): Remove.
17404 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17405 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17406 and TYPE_P nodes in its default clause.
17407 (empty_body_p): New.
17408 (tree_range_check_failed): New.
17409 (build5_stat): New.
17410 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17411 OMP_CLAUSE_REDUCTION_MERGE,
17412 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17413 OMP_CLAUSE_PRIVATE_DEBUG,
17414 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17415 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17416 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17417 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17418 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17419 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17420 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17421 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17422 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17423 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17424 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17425 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17426 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17427 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17428 (TREE_RANGE_CHECK): New.
17429 (empty_body_p): Declare.
17430 (enum omp_clause_default_kind): New.
17431 (build_string_literal): Declare.
17432 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17433 (build5_stat, build5): Declare.
17434 * tree-pass.h (TDF_CHAIN): Define.
17435 * tree-pass.h (PROP_gimple_lomp): Define.
17436 (pass_lower_omp): Declare.
17437 * diagnostic.h (debug_tree_chain): Declare.
17438 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17440 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17441 * builtins.c (build_string_literal): Make extern.
17442 * gcc.c (include_spec_function): New.
17443 (static_spec_functions): Add it.
17444 (main): Move load of libgomp.spec ...
17445 (LINK_COMMAND_SPEC): ... here.
17446 (link_gomp_spec): New.
17447 (static_specs): Include it.
17448 (LINK_COMMAND_SPEC): Add link_gomp.
17449 (GOMP_SELF_SPECS): New.
17450 (driver_self_specs): Include it.
17451 (switch_matches): Don't mark inline.
17452 (main): Load libgomp.spec.
17453 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17454 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17455 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17456 * tree-gimple.h (enum omp_parallel): Declare.
17457 (determine_parallel_type): Declare.
17458 (omp_firstprivatize_variable): Declare.
17459 (omp_reduction_init): Declare.
17460 (diagnose_omp_structured_block_errors): Declare.
17461 (struct walk_stmt_info): Add want_return_expr.
17462 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17463 (find_omp_clause): Declare.
17464 (insert_field_into_struct): Declare.
17465 (struct walk_stmt_info): Move from tree-nested.c
17466 (walk_stmts): Declare.
17467 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17469 * cgraphunit.c (cgraph_lower_function): Make static.
17470 (cgraph_finalize_pending_functions): New.
17471 (cgraph_finalize_function): Call it.
17472 (cgraph_finalize_compilation_unit): Likewise.
17473 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17474 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17475 (BT_FN_UINT_UINT): New.
17476 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17477 DEF_FUNCTION_TYPE_VAR_4): Document.
17478 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17479 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17480 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17481 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17482 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17483 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17484 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17485 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17486 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17487 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17488 into separate files.
17489 (DEF_GOMP_BUILTIN): New.
17490 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17491 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17492 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17493 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17494 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17495 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17496 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17497 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17498 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17499 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17500 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17501 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17502 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17503 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17504 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17505 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17506 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17507 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17508 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17509 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17510 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17511 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17512 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17513 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17514 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17515 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17516 * sync-builtins.def: New file, moved from builtins.def.
17517 * omp-builtins.def: New file, moved from builtins.def.
17518 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17519 * gimple-low.c (lower_function_body): Clear data.
17520 (lower_stmt): Do not handle COMPOUND_EXPR.
17521 Remove call to print_node_brief.
17522 * c-tree.h (c_finish_omp_clauses): New prototype.
17523 (C_DECL_THREADPRIVATE_P): Define.
17524 (lookup_name_no_remap, c_omp_remap_private): Remove
17525 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17526 (check_for_loop_decls): Update decl.
17527 (lookup_name_no_remap, c_omp_remap_private): Declare.
17528 (build_indirect_ref, build_modify_expr, pushdecl,
17529 pushdecl_top_level): Move to c-common.h.
17530 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17531 before the switch, but just in the 2 places that need it.
17532 * c-decl.c (diagnose_mismatched_decls): Do not check for
17533 mismatched thread-local attributes when OLDDECL is marked
17534 threadprivate and NEWDECL has no thread-local attributes.
17535 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17536 (c_gimple_diagnostics_recursively): Rename from
17537 c_warn_unused_result_recursively. Invoke
17538 diagnose_omp_structured_block_errors.
17539 (check_for_loop_decls): Return a singular decl found.
17540 * langhooks.c (lhd_omp_predetermined_sharing): Return
17541 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17542 (lhd_omp_firstprivatize_type_sizes): New.
17543 (lhd_omp_assignment): New.
17544 (lhd_omp_predetermined_sharing): New.
17545 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17546 (struct lang_hooks_for_types): Add
17547 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17548 omp_predetermined_sharing, omp_disregard_value_expr,
17549 omp_private_debug_clause, omp_clause_default_ctor,
17550 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17551 (c_finish_omp_clauses): New.
17552 (c_finish_bc_stmt): Diagnose break within omp for.
17553 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17554 (build_unary_op): Return error_mark after reporting
17556 (build_modify_expr): Likewise.
17557 * gimplify.c: Include optabs.h and pointer-set.h.
17558 (enum gimplify_omp_var_data): Declare.
17559 (struct gimplify_omp_ctx): Declare.
17560 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17562 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17563 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17564 (splay_tree_compare_decl_uid): New.
17565 (new_omp_context): New.
17566 (delete_omp_context): New.
17567 (gimple_add_tmp_var): Call omp_add_variable.
17568 (gimplify_bind_expr): Likewise.
17569 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17570 true, disregard DECL_VALUE_EXPR on the decl if any.
17571 (gimplify_expr_in_ctx): New.
17572 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17573 omp_add_variable, omp_notice_variable, omp_is_private
17574 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17575 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17576 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17577 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17578 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17579 gimplify_omp_atomic): New.
17580 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17581 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17582 OMP_CRITICAL and OMP_ATOMIC.
17583 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17584 * c-pragma.h (enum pragma_kind): Add
17585 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17586 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17587 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17588 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17589 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17590 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17591 PRAGMA_OMP_THREADPRIVATE.
17592 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17593 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17594 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17595 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17596 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17597 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17598 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17599 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17600 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17601 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17602 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17603 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17604 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17606 (struct nesting_info): Add field_map,
17607 suppress_expansion, debug_var_chain.
17608 (create_nesting_tree): Initialize them.
17609 (lookup_field_for_decl): Use field_map.
17610 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17611 (convert_local_omp_clauses): New.
17612 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17613 (walk_body): Split out of walk_function.
17614 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17615 (convert_nonlocal_reference): Handle omp statements.
17616 (convert_local_reference): Likewise.
17617 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17618 (unnest_nesting_tree): New.
17619 (lower_nested_functions): Call it.
17620 (insert_field_into_struct): Make extern.
17621 (struct walk_stmt_info): Move to tree-gimple.h.
17622 (walk_stmts): Make extern.
17623 * omp-builtins.def: New file.
17624 * tree-iterator.c (expr_only): Clarify comment.
17625 * c-common.h (pushdecl_top_level, pushdecl,
17626 build_modify_expr, build_indirect_ref,
17627 c_finish_omp_master, c_finish_omp_critical,
17628 c_finish_omp_ordered, c_finish_omp_barrier,
17629 c_finish_omp_atomic, c_finish_omp_flush,
17630 c_finish_omp_for, c_split_parallel_clauses,
17631 omp_clause_default_kind, c_omp_sharing_predetermined,
17632 c_omp_remap_decl): Declare.
17633 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17634 (OBJS-common): Add omp-low.o.
17635 (c-omp.o, omp-low.o): Add.
17636 (gimplify.o): Add dependency on $(OPTABS_H).
17637 (GTFILES): Add omp-low.c.
17638 (gt-stringpool.h): Add.
17639 * tree-cfg.c (set_bb_for_stmt): Do not update the
17640 block-to-labels map if we are currently expanding to RTL.
17641 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17643 Handle IDENTIFIER_NODE.
17644 (tree_verify_flow_info): Do not ICE when emitting error
17645 messages about invalid labels.
17646 (dump_function_to_file): Reset CFUN before emitting the body
17648 (debug_function): New.
17649 * passes.c (init_optimization_passes): Schedule
17651 * langhooks-def.h (lhd_omp_predetermined_sharing,
17652 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17654 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17655 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17656 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17657 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17658 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17659 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17660 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17661 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17662 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17663 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17664 (LANG_HOOK_DECLS): Use them.
17666 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17667 Richard Henderson <rth@redhat.com>
17668 Jakub Jelinek <jakub@redhat.com>
17669 Diego Novillo <dnovillo@redhat.com>
17671 * c-parser.c (pragma_omp_clause): Define.
17672 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17673 (c_parser_compound_statement): Likewise.
17674 (c_parser_statement): Likewise.
17675 (c_parser_pragma): Handle omp pragmas.
17676 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17677 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17678 (c_parser_omp_clause_name, check_no_duplicate_clause,
17679 c_parser_omp_variable_list,
17680 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17681 c_parser_omp_clause_copyprivate,
17682 c_parser_omp_clause_default,
17683 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17684 c_parser_omp_clause_lastprivate,
17685 c_parser_omp_clause_nowait,
17686 c_parser_omp_clause_num_threads,
17687 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17688 c_parser_omp_clause_reduction,
17689 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17690 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17691 c_parser_omp_atomic, c_parser_omp_barrier,
17692 c_parser_omp_critical, c_parser_omp_flush,
17693 c_parser_omp_for_loop, c_parser_omp_for,
17694 c_parser_omp_master, c_parser_omp_ordered,
17695 c_parser_omp_sections_scope, c_parser_omp_sections,
17696 c_parser_omp_parallel, c_parser_omp_single,
17697 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17698 * c-pragma.c (init_pragma): Do omp pragma registration here.
17699 * c.opt (fopenmp): New flag.
17701 2006-01-18 Eric Christopher <echristo@apple.com>
17703 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17704 * config/darwin.h (GOMP_SELF_SPECS): Define.
17706 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17708 * rtl.h: Remove the prototype for reg_alloc.
17710 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17713 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17714 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17715 sjlj and dwarf2 exception handling.
17716 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17717 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17718 * pa/pa.c (function_value): Treat complex and vector types as
17720 (function_arg): Likewise. Only pass scalar floats in the floating
17721 point argument registers.
17722 * pa/t-slibgcc-dwarf-ver: New file.
17723 * pa/t-slibgcc-sjlj-ver: New file.
17724 * pa/t-slibgcc-elf-ver: Delete file.
17726 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17728 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17729 unlikely_test_section_p test.
17731 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17733 * mode-switching.c (optimize_mode_switching): Make it static.
17734 * basic-block.h: Remove the prototype for
17735 optimize_mode_switching.
17737 * modulo-sched.c (sms_schedule): Make it static.
17738 * rtl.h: Remove the prototype for sms_schedule.
17740 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17741 * rtl.h: Remove the prototype for gcse_after_reload_main.
17743 * reg-stack.c (reg_to_stack): Make it static.
17744 * rtl.h: Remove the prototype for reg_to_stack.
17746 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17748 * rtl.h: Remove the prototypes for regrename_optimize and
17749 copyprop_hardreg_forward.
17751 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17753 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17754 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17755 Test against the appropriate null constant for the mode.
17756 If 'fixup_overlap' is true, swap the operands if they overlap.
17757 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17758 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17759 alpha_split_tmode_pair and adjust for above change.
17760 * config/alpha/alpha.md (movtf_internal): Adjust call to
17761 alpha_split_tfmode_pair and rely on it to swap the operands.
17762 (movti_internal): New insn and post-reload splitter.
17763 (movti): New expander.
17765 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17767 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17770 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17772 * rtlanal.c (global_reg_mentioned_p_1,
17773 global_reg_mentioned_p): Remove.
17774 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17776 * flow.c (initialize_uninitialized_subregs): Make it static.
17777 * rtl.h: Remove the prototype for
17778 initialize_uninitialized_subregs.
17780 * function.c (instantiate_virtual_regs): Make it static.
17781 * function.h: Remove the prototype for
17782 instantiate_virtual_regs.
17784 * regmove.c (regmove_optimize, combine_stack_adjustments):
17786 * rtl.h: Remove the prototypes for regmove_optimize and
17787 combine_stack_adjustments.
17789 2006-01-17 Roger Sayle <roger@eyesopen.com>
17791 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17792 (size_cost): Encode costs in bytes so that a reg-reg addition is
17793 equivalent to COSTS_N_INSNS(1).
17794 (override_options): Use the size_cost.branch_cost as the default
17795 ix86_branch_cost when optimizing for size.
17797 2006-01-18 Ben Elliston <bje@au.ibm.com>
17799 * Makefile.in (D32PBIT_FUNCS): New.
17800 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17801 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17802 D64PBIT_FUNCS and D128PBIT_FUNCS.
17803 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17804 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17806 (decnumber_dep): Define.
17807 * doc/libgcc.texi (Decimal float library routines): New node.
17808 * config/dfp-bit.h, config/dfp-bit.c: New files.
17810 2006-01-18 Ben Elliston <bje@au.ibm.com>
17812 * expr.c (emit_move_change_mode): Always adjust addresses, not
17813 just during reload. Copy replacements only during reload.
17814 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17815 emit_move_via_integer.
17817 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17819 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17820 instead of $(srcdir) and ${srcdir}.
17822 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17825 PR middle-end/11135
17826 * arm.h (struct machine_function): Add pic_reg.
17827 * arm.c (arm_pic_register): Make unsigned.
17828 (arm_override_options): Only set arm_pic_register if
17829 TARGET_SINGLE_PIC_BASE.
17830 (use_return_insn): Only test for a pic register if it is fixed.
17831 (arm_compute_save_reg0_reg12_mask): Likewise.
17832 (thumb_compute_save_reg_mask): Likewise.
17833 (legitimate_pic_operand): Factor out some known invariants.
17834 (legitimize_pic_address): If we don't have a fixed pic register,
17835 then set up a pseudo in the function entry sequence. Handle the
17836 pic base being in a pseudo.
17837 (arm_load_pic_register): Handle the pic register being in a pseudo.
17838 (arm_expand_prologue): Only set up the pic register if it is fixed.
17839 (thumb_expand_prologue): Likewise.
17840 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17841 (pic_load_addr_based_insn): Likewise.
17842 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17845 2006-01-18 Ben Elliston <bje@au.ibm.com>
17847 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17848 decimal float modes for all floating point registers.
17850 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17851 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17853 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17856 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17857 even when the pointer is not NULL.
17859 2006-01-16 Ian Lance Taylor <ian@airs.com>
17861 * common.opt (ftoplevel-reorder): New option.
17862 * cgraph.c (cgraph_asm_nodes): New global variable.
17863 (cgraph_asm_last_node): New static variable.
17864 (cgraph_order): New global variable.
17865 (cgraph_create_node): Set new order field.
17866 (cgraph_varpool_node): Likewise.
17867 (decide_is_variable_needed): Return true if not
17868 flag_toplevel_reorder.
17869 (cgraph_add_asm_node): New function.
17870 * cgraph.h (struct cgraph_node): Add order field.
17871 (struct cgraph_varpool_node): Add order field.
17872 (struct cgraph_asm_node): Define.
17873 (cgraph_asm_nodes, cgraph_order): Declare.
17874 (cgraph_add_asm_node): Declare.
17875 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17877 (cgraph_varpool_assemble_pending_decls): Call it.
17878 (cgraph_output_pending_asms): New static function.
17879 (cgraph_finalize_compilation_unit): Call it.
17880 (struct cgraph_order_sort): Define.
17881 (cgraph_output_in_order): New static function.
17882 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17883 !flag_toplevel_reorder case.
17884 * c-parser.c: Include "cgraph.h".
17885 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17887 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17888 than -fno-unit-at-a-time.
17889 * doc/invoke.texi (Option Summary): Mention
17890 -fno-toplevel-reorder.
17891 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17892 -funit-at-a-time documentation.
17894 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17895 Kazu Hirata <kazu@codesourcery.com>
17897 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17899 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17901 * Makefile.in (FUNCTION_H): New. Use it instead of
17902 function.h throughout the file.
17903 * function.h: Include tree.h.
17905 2006-01-17 Ben Elliston <bje@au.ibm.com>
17907 * recog.c: Separate some functions with whitespace.
17909 2006-01-16 Richard Henderson <rth@redhat.com>
17911 Merge from gomp branch:
17912 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17913 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17914 and rename from struct inline_data. Rename callee* to dst*;
17915 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17916 transform_new_cfg, transform_return_to_modify, and
17917 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17919 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17920 (copy_decl_for_dup): Remove.
17921 * tree-inline.c (struct inline_data): Move to header.
17922 (insert_decl_map): Export.
17923 (remap_decl): Update for member name changes. Use copy_decl hook.
17924 Allow for replacement to be a non-decl. Remove dead code.
17925 (remap_type_1): Check for existing mapping.
17926 (remap_type): Export.
17927 (remap_decls): Update for member name changes.
17928 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17929 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17930 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17931 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17932 (tree_function_versioning, build_duplicate_type): Likewise.
17933 (copy_body_r): Likewise. Export.
17934 (copy_decl_for_dup): Split into ...
17935 (copy_decl_for_dup_finish, copy_decl_to_var,
17936 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17937 (replace_ref_tree, inlining_p): Remove.
17939 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17941 * ifcvt.c (if_convert): Make it static.
17942 * rtl.h: Remove the prototype for if_convert.
17944 * local-alloc.c (local_alloc): Make it static.
17945 * rtl.h: Remove the prototype for local_alloc.
17947 * loop.c (loop_optimize): Make it static.
17948 * cfgloop.h: Remove the prototype for loop_optimize.
17951 2006-01-16 DJ Delorie <dj@redhat.com>
17953 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17956 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17958 * pa.md: Disparage copies between general and floating-point registers
17959 in 32-bit move patterns.
17961 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17964 * Makefile.in (check-%): Depend on site.exp instead of
17965 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17968 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17970 * global.c (global_alloc): Make it static.
17971 * rtl.h: Remove the prototype for global_alloc.
17973 2006-01-16 Richard Guenther <rguenther@suse.de>
17975 * tree-ssa-alias.c (struct used_part): Add write_only field.
17976 (get_or_create_used_part_for): Initialize it to true.
17977 (create_overlap_variables_for): Don't create structure variables
17978 for structures that only are written to.
17979 (find_used_portions): Handle MODIFY_EXPR to track whether a
17980 structure is only written to.
17982 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17984 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17986 * basic-block.h: Remove the prototype for
17987 partition_hot_cold_basic_blocks.
17989 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17991 * cppspec.c (lang_specific_spec_functions): Remove.
17992 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17993 * gcc.h (lang_specific_spec_functions): Remove.
17994 * gccspec.c (lang_specific_spec_functions): Remove.
17996 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17998 * combine.c (record_value_for_reg): Invalidate registers
18000 (record_dead_and_set_regs_1): Likewise, by passing them to
18001 record_value_for_reg.
18002 (record_dead_and_set_regs): Invalidate stores made by a
18003 call. We do not combine across a call, but we still
18004 relied on equivalences.
18006 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18008 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18009 vrp_int_const_binop returning non-constant nodes.
18011 2006-01-16 Paul Brook <paul@codesourcery.com>
18013 * config/m68k/m68k.c (output_move_const_into_data_reg):
18014 Output correct mnemonic for mvz and mvs.
18016 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18018 * rtl-factoring.c: Add sequence abstraction algorithm.
18019 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18020 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18022 (block_has_preserve_label): New function.
18023 * common.opt: Register new pass.
18024 * Makefile.in: Ditto.
18026 * timevar.def: Ditto.
18027 * tree-pass.h: Ditto.
18028 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18029 * rtl.h (make_jump_insn_raw): Add forward decl.
18030 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18032 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18033 Roger Sayle <roger@eyesopen.com>
18035 * fold-const.c (fold_minmax): New static function.
18036 (fold_binary) <MIN_EXPR>: Call it.
18037 <MAX_EXPR>: Likewise.
18038 * stor-layout.c (place_field): Use DECL_SIZE consistently
18039 in the computation of the new record size.
18041 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18043 * cse.c (cse_condition_code_reg): Make it static.
18044 * rtl.h: Remove the prototype for cse_condition_code_reg.
18046 * combine.c (combine_instructions): Make it static.
18047 * rtl.h: Remove the prototype for combine_instructions.
18049 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18052 * tree.c (get_file_function_name_long): Concatenate the first global
18053 object name with a string derived from the input filename of the object
18056 2006-01-16 Ben Elliston <bje@au.ibm.com>
18058 * config/i386/winnt-stubs.c: Update FSF address.
18059 * config/xtensa/ieee754-df.S: Ditto.
18060 * config/xtensa/ieee754-sf.S: Ditto.
18062 2006-01-14 Ian Lance Taylor <ian@airs.com>
18064 * ifcvt.c (noce_init_if_info): New static function, broken out of
18065 noce_process_if_block.
18066 (noce_process_if_block): Call noce_init_if_info.
18067 (check_cond_move_block): New static function.
18068 (cond_move_process_if_block): New static function.
18069 (process_if_block): Call cond_move_process_if_block.
18071 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18073 * cselib.c (hash_table): Rename to cselib_hash_table.
18074 (cselib_clear_table, discard_useless_values,
18075 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18076 cselib_init, cselib_finish): Adjust uses of hash_table.
18078 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18080 PR tree-optimization/25485
18081 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18082 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18083 is known to be false and true, respectively.
18085 2006-01-14 Richard Guenther <rguenther@suse.de>
18087 PR tree-optimization/22548
18088 PR tree-optimization/22555
18089 PR tree-optimization/22501
18090 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18091 * params.def (salias-max-array-elements): New parameter.
18092 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18093 * doc/invoke.texi (salias-max-array-elements): Document.
18094 * tree-flow-inline.h (var_can_have_subvars): We also handle
18096 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18098 * tree-ssa-structalias.c (params.h): Include.
18099 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18100 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18101 (get_constraint_for): For ADDR_EXPR operating on something
18102 containing an ARRAY_REF, add all subvars to the solution.
18103 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18104 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18105 for creating MUST_DEFs.
18106 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18108 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18110 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18112 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18113 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18114 number_of_iterations_le): New functions.
18115 (number_of_iterations_special): Removed.
18116 (number_of_iterations_exit): Do not use number_of_iterations_special.
18117 * tree.c (unsigned_type_for): Always return integer type.
18119 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18120 Richard Guenther <rguenther@suse.de>
18122 PR rtl-optimization/24257
18123 * gcse.c (find_moveable_store): Only consider a store movable
18124 when the SET_SRC of the insn can be assigned to a register.
18126 2006-01-14 Ian Lance Taylor <ian@airs.com>
18128 * tree.c (tree_not_class_check_failed): New function.
18129 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18130 (tree_not_class_check_failed): Declare.
18132 2006-01-13 Ian Lance Taylor <ian@airs.com>
18134 * reload1.c (do_output_reload): Add assertion rejecting a
18137 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18139 * combine.c (struct reg_stat): Add new fields truncation_label and
18141 (record_value_for_reg): Reset truncated_to_mode.
18142 (record_truncated_value): New function.
18143 (check_promoted_subreg): Call it. Rename to check_conversions.
18144 (combine_instructions): Rename check_promoted_subreg to
18146 (reg_truncated_to_mode): New function.
18147 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18148 (gen_lowpart_or_truncate): New function.
18149 (force_to_mode): Use it instead of gen_lowpart.
18151 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18153 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18154 VAR is a tag, not its type tag.
18156 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18158 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18159 alternatives to match style of other entries.
18160 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18162 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18164 PR tree-optimization/25771
18165 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18168 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18171 * tree-inline.c (declare_return_variable): If the return variable
18172 was marked as a non gimple complex, set the return slot variable
18173 to be a non gimple comple variable.
18175 2006-01-13 Richard Guenther <rguenther@suse.de>
18177 * builtins.c (expand_builtin_sincos): New function.
18178 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18180 (expand_builtin): Expand sincos using expand_builtin_sincos.
18182 2006-01-12 DJ Delorie <dj@redhat.com>
18184 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18185 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18186 so that constant shifts can be split.
18187 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18188 (m32c_valid_pointer_mode): Make static.
18189 (shift_gen_func_for): New.
18190 (m32c_prepare_shift): Use it. Split large const shifts into
18192 * config/m32c/predicates.md (shiftcount_operand): Allow more
18194 (longshiftcount_operand): New.
18195 * doc/md.texi (Machine Constraints): Document In6.
18197 2006-01-13 Ben Elliston <bje@au.ibm.com>
18199 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18200 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18203 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18205 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18206 to try to avoid clobbering pieces of structures when we know
18207 something about the whole structure.
18208 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18210 2006-01-13 Ben Elliston <bje@au.ibm.com>
18212 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18213 return in memory, as this is no limitation is no longer present.
18215 2006-01-12 DJ Delorie <dj@redhat.com>
18217 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18218 mova with fb, and for fb+0 -> An.
18220 * config/m32c/mov.md (peephole2): Fix enabling logic.
18222 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18223 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18224 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18225 FINI_ARRAY_SECTION_ASM_OP): Define.
18227 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18229 (m32c_legitimize_reload_address): New logic to reload FB to An.
18230 (m32c_output_reg_push): Add newline.
18231 (m32c_output_reg_pop): Likewise.
18233 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18235 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18237 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18239 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18241 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18243 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18246 2006-01-11 Ben Elliston <bje@au.ibm.com>
18248 * rtlanal.c (find_reg_note): Assert insn is not null.
18250 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18252 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18255 2006-01-11 Jeff Law <law@redhat.com>
18257 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18259 (mark_threaded_blocks, register_jump_thread): New functions.
18260 (thread_through_all_blocks): Remove unwanted argument. No
18261 longer rely on e->aux to communicate thread target info.
18262 Call mark_threaded_blocks. Release the threaded_blocks
18263 bitmap and threaded_edges vector when complete.
18264 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18265 (threaded_blocks): Remove.
18266 (tree_ssa_dominator_optimize): Remove initialization and
18267 finalization of threaded_blocks. Simplify call to
18268 thread_through_all_blocks.
18269 (thread_across_edge): Call register_jump_thread rather than
18270 storing thread information into e->aux.
18271 (free_all_edge_infos): Simplify now that e->aux is no longer
18272 used to communicate with thread_through_all_blocks.
18273 * tree-flow.h (thread_through_all_blocks): Update prototype.
18274 (register_jump_thread): Prototype.
18276 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18278 * df-core.c (df_compact_blocks, df_bb_replace): Use
18279 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18281 2006-01-11 Richard Guenther <rguenther@suse.de>
18283 PR tree-optimization/25734
18284 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18285 stop propagation after successful propagation to the LHS.
18287 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18289 * basic-block.h (control_flow_graph): Change the type of
18290 x_basic_block_info to VEC(basic_block,gc) *.
18291 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18293 (SET_BASIC_BLOCK): New.
18294 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18295 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18296 * cfgbuild.c (find_basic_blocks): Likewise.
18297 * cfglayout.c (fixup_reorder_chain): Likewise.
18298 * cfgrtl.c (create_basic_block_structure,
18299 rtl_create_basic_block): Likewise.
18300 * ifcvt.c (find_if_case_1): Likewise.
18301 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18304 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18306 * Makefile.in: Removed rotted odf.c entry.
18308 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18311 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18312 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18313 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18314 output pattern modifier, not %e.
18315 * config/cris/cris.c (cris_op_str): Update comment about pattern
18317 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18318 before falling through into...
18319 <case 'E'>: Redefined from old 'e' case.
18321 2006-01-11 Jan Hubicka <jh@suse.cz>
18324 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18326 2006-01-11 Jan Hubicka <jh@suse.cz>
18328 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18329 * i386.c (x86_decompose_lea): Kill.
18330 (ix86_rtx_costs): Kill.
18332 2006-01-11 Jan Hubicka <jh@suse.cz>
18334 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18335 * cgraph.h (cgraph_node): Add inline_decl.
18336 (cgraph_insert_node_to_hashtable): Declare.
18337 (save_inline_function_body): Declare.
18338 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18340 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18341 (cgraph_function_versioning): Update call of tree_function_versioning.
18342 (save_inline_function_body): New function.
18343 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18344 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18345 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18346 (cgraph_default_inline_p): Likewise.
18347 (cgraph_decide_inlining_incrementally): Likewise.
18348 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18349 (copy_bb): Kill saving; do updating of clones.
18350 (copy_cfg_body): Kill saving.
18351 (initialize_inlined-parameters): Likewise.
18352 (expand_call_inline): Likewise.
18354 (tree_function_versioning): New parameter "update_clones".
18355 (inlining_p): Kill saving.
18356 * tree-inline.h (tree_function_versioning): Update prototype.
18357 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18360 2006-01-11 Ian Lance Taylor <ian@airs.com>
18362 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18363 Allow undoing set of machine mode.
18364 (do_SUBST): Use enums instead of is_int.
18365 (do_SUBST_MODE): New function.
18366 (SUBST_MODE): New macro.
18367 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18368 reg and trying to replace reg_regno_rtx with a new register.
18369 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18370 (simplify_set): Use SUBST_MODE.
18371 (distribute_notes): Remove code that tried to update reg notes
18372 for regno_reg_rtx changes.
18374 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18376 PR tree-optimization/23109
18377 PR tree-optimization/23948
18378 PR tree-optimization/24123
18380 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18381 * tree-cfg.c (single_noncomplex_succ): New.
18382 * tree-flow.h (single_noncomplex_succ): Declare it.
18383 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18384 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18385 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18386 insert_bb, register_division_in, insert_reciprocals,
18387 replace_reciprocal, free_bb): New.
18388 (execute_cse_reciprocals_1): Rewritten.
18389 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18390 Do not commit any edge insertion. Always compute dominators and
18391 create the allocation pool.
18392 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18393 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18394 * targhooks.c (default_min_divistions_for_recip_mul): New.
18395 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18396 * passes.c (init_optimization_passes): Run recip after tree loop
18398 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18400 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18401 Kenneth Zadeck <zadeck@naturalbridge.com>
18403 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18404 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18405 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18406 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18407 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18408 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18409 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18410 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18411 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18412 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18413 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18414 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18415 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18416 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18417 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18418 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18419 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18420 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18421 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18422 DF_SCAN_POST_ALLOC): New macros.
18423 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18424 df_free_bb_function, df_local_compute_function, df_init_function,
18425 df_dataflow_function, df_confluence_function_0,
18426 df_confluence_function_n, df_transfer_function,
18427 df_finalizer_function, df_free_function, df_dump_problem_function,
18428 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18429 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18430 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18431 df_urec_bb_info, ) New types.
18432 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18434 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18435 df_analyze_simple_change_some_blocks,
18436 df_analyze_simple_change_one_block, df_compact_blocks,
18437 df_bb_replace, df_bb_regno_last_use_find,
18438 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18439 df_insn_regno_def_p, df_find_def, df_find_use,
18440 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18441 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18442 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18443 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18444 debug_df_chain, df_get_dependent_problem, df_chain_create,
18445 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18446 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18447 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18448 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18449 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18450 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18451 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18452 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18453 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18454 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18455 df_reorganize_refs, df_set_state, df_hard_reg_init,
18456 df_read_modify_subreg_p) New public functions.
18457 * df-core.c: The core dataflow solver and glue routines for rtl
18459 (df_init, df_add_problem, df_set_blocks, df_finish,
18460 df_hybrid_search_forward, df_hybrid_search_backward,
18461 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18462 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18463 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18464 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18465 df_reg_defined, df_find_use, df_reg_used, df_dump,
18466 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18467 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18468 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18469 debug_df_useno, reset_df_after_reload): New functions.
18470 * df-scan.c: The scanning fuctions, once in df.c, completely
18471 rewritten so that they now fully model the functionality of
18472 register usage at the backend.
18473 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18474 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18475 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18476 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18477 df_get_artificial_defs, df_get_artificial_uses,
18478 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18479 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18480 df_refs_delete, df_reorganize_refs, df_set_state,
18481 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18482 df_def_record_1, df_defs_record, df_uses_record,
18483 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18484 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18485 df_record_exit_block_uses, df_hard_reg_init): New functions.
18487 * df-problems.c: Seven concrete dataflow problems that use the
18488 scanning in df-scan.c and are solved by the engine in df-core.c.
18489 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18490 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18491 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18492 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18493 df_ru_free_bb_info, df_ru_alloc,
18494 df_ru_bb_local_compute_process_def,
18495 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18496 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18497 df_ru_transfer_function, df_ru_free, df_ru_dump,
18498 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18499 df_rd_free_bb_info, df_rd_alloc,
18500 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18501 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18502 df_rd_transfer_function, df_rd_free, df_rd_dump,
18503 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18504 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18505 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18506 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18507 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18508 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18509 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18510 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18511 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18512 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18513 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18514 df_urec_mark_reg_use_for_earlyclobber,
18515 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18516 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18517 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18518 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18519 df_chain_create_bb_process_use, df_chain_create_bb,
18520 df_chain_finalize, df_chain_free, df_chains_dump,
18521 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18522 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18523 df_reg_lifetime): New functions.
18524 * df.c: Deleted file.
18525 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18526 consistent with new df api.
18527 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18528 rest_of_handle_sms): Ditto.
18529 * web.c (unionfind_union, union_defs, entry_register, web_main):
18531 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18532 invariant_expr_equal_p, find_defs, check_dependencies,
18533 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18534 free_inv_motion_data, move_loop_invariants): Ditto.
18535 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18536 Update dependencies.
18537 (odf.c): Added defective entry that was deleted later in day.
18538 * sched-deps.c (sched_analyze_1): Ditto.
18540 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18542 * tree-ssa-operands.c (get_expr_operands): Record addressable
18543 variables directly. Do not call add_stmt_operands for CONST_DECLs
18545 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18546 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18548 2006-01-11 Ben Elliston <bje@au.ibm.com>
18550 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18551 function returns true in the positive case.
18553 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18556 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18557 for SI, DI, SF and DF modes. Add alternatives to copy between
18558 general and floating point registers to the 32-bit patterns.
18559 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18560 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18561 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18562 generating 64-bit code.
18563 * config/pa/pa.c (output_move_double): Handle copies between general
18564 and floating registers.
18566 2006-01-10 Stuart Hastings <stuart@apple.com>
18568 * config/i386/i386.md (set_got): Update.
18569 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18570 (builtin_setjmp_receiver): Mach-O support.
18571 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18572 (GOT_SYMBOL_NAME): Define.
18573 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18574 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18575 * config/i386/i386.c (override_options): Revise for Darwin.
18576 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18577 support. (darwin_x86_file_end): New. (output_set_got): Add label
18578 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18579 * config/i386/i386-protos.h (output_set_got): Likewise.
18580 * config/darwin.c (machopic_legitimize_pic_address): Update
18583 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18585 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18586 when MODE isn't BLKmode.
18588 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18590 PR rtl-optimization/25367
18591 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18593 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18596 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18597 for a negative bound.
18599 2006-01-10 Richard Guenther <rguenther@suse.de>
18601 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18602 Never override with anything constraint.
18604 2006-01-10 Jan Beulich <jbeulich@novell.com>
18606 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18607 256 bits when optimize_size.
18609 2006-01-10 Jan Beulich <jbeulich@novell.com>
18611 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18613 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18614 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18617 2006-01-10 Ben Elliston <bje@au.ibm.com>
18619 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18621 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18622 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18623 (USE_FP_FOR_ARG): Reject decimal float modes.
18624 (function_arg_advance): Likewise.
18625 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18626 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18627 point types in AltiVec vectors.
18628 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18629 (rs6000_libcall_value): Likewise.
18631 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18633 * config/xtensa/ieee754-df.S: New file.
18634 * config/xtensa/ieee754-sf.S: New file.
18635 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18636 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18637 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18639 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18641 * config/sh/predicates.md (binary_float_operator,
18642 binary_logical_operator, commutative_float_operator,
18643 equality_comparison_operator, greater_comparison_operator,
18644 less_comparison_operator, logical_operator,
18645 noncommutative_float_operator, shift_operator,
18646 symbol_ref_operand, unary_float_operator): Remove redundant
18649 2006-01-09 Jeff Law <law@redhat.com>
18651 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18652 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18653 now unused arguments. Callers updated.
18654 (eliminate_redundant_computations): Remove now unused arguments,
18656 (local_fold): Remove, no longer used.
18657 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18659 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18660 (simplify_cond): New function.
18661 (forward_propagate_into_cond): Call simplify_cond.
18663 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18665 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18666 (*vec_extractv2di_1_sse): New.
18668 2006-01-09 Ben Elliston <bje@au.ibm.com>
18670 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18672 2006-01-08 Richard Guenther <rguenther@suse.de>
18674 * tree-ssa-structalias.c (get_constraint_for): Remove
18675 anyoffset argument.
18676 (get_constraint_for_component_ref): Likewise.
18677 (do_deref): Likewise.
18678 (get_constraint_for): Likewise.
18679 (do_structure_copy): Likewise.
18680 (handle_ptr_arith): Likewise.
18681 (find_func_aliases): Likewise. Remove unused need_anyoffset
18684 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18685 Kaz Kojima <kkojima@gcc.gnu.org>
18687 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18688 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18689 (EXTRA_CONSTRAINT_C16): Remove.
18690 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18691 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18692 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18693 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18694 constants of SHmedia. Handle nested constant expressions of
18696 (andcosts): Fix the costs for SHmedia constants.
18697 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18698 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18699 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18700 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18701 (movv4hi_i, movv2si_i): Likewise.
18702 (movsi_const): Adjust the second operand of ior so to match with
18703 the Csu constraint.
18704 (movdi_const, movdi_const_32bit): Likewise.
18705 (movdi_const_16bit+1): Don't sign-extend LOW.
18706 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18708 (*double_shori): Fix the split condition. Use GEN_INT instead
18709 of get_int_mode calls. Mask lower 16-bit of the argument of
18711 (sym2GOTPLT): Remove.
18712 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18714 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18715 instead of EXTRA_CONSTRAINT_C16.
18717 2006-01-07 Ian Lance Taylor <ian@airs.com>
18718 David Edelsohn <edelsohn@gnu.org>
18720 PR rtl-optimization/25662
18721 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18722 for constant operands instead of simplify_gen_binary.
18723 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18724 after trying simplify_binary_operation
18726 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18728 * tree.c (iterative_hash_expr): Hash decls based on UID.
18730 2006-01-06 Eric Christopher <echristo@apple.com>
18732 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18733 (TARGET_UNWIND_EMIT): Fix spelling.
18734 * target.h (gcc_target): Add except_table_label.
18735 * except.c (output_function_exception_table): Use.
18736 * varasm.c (default_emit_except_table_label): New.
18737 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18739 (asm_out): Add here.
18740 * output.h (default_emit_except_table_label): Prototype.
18741 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18742 * config/darwin.c (darwin_emit_except_table_label): Define.
18743 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18745 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18747 PR tree-optimization/18527
18748 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18749 number_of_iterations_special, number_of_iterations_exit):
18750 Move base and step of an iv to a single structure. Add
18751 no_overflow flag, and use it in # of iterations analysis.
18752 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18753 folded_casts argument.
18754 (simple_iv): Pass base and step in a structure. Set no_overflow
18756 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18757 Evaluate expensiveness of computing # of iterations instead of
18758 the final expression.
18759 * tree-scalar-evolution.h (affine_iv): New structure.
18760 (simple_iv): Declaration changed.
18761 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18762 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18763 find_givs_in_stmt): Changed due to simple_iv change.
18765 2006-01-06 Jeff Law <law@redhat.com>
18768 * tree-cfg.c (bsi_replace): Rename final argument from
18769 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18770 change (stmt -> orig_stmt).
18771 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18772 (bsi_remove): Add new argument. Remove EH information
18774 (verify_eh_throw_table_statements): New function.
18775 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18777 * tree-optimize.c (execute_free_cfg_annotations): Verify
18778 the EH throw statement table after removing annotations.
18779 * except.h (verify_eh_throw_table_statements): Prototype.
18780 * tree-flow.h (bsi_remove): Update prototype.
18781 * tree-vrp.c (remove_range_assertions): Add new argument to
18783 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18784 * tree-complex.c (expand_complex_div_wide): Likewise.
18785 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18786 * tree-tailcall.c (eliminate_tailcall): Likewise.
18787 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18788 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18789 * tree-nrv.c (tree_nrv): Likewise.
18790 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18791 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18792 (combine_blocks): Likewise.
18793 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18794 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18795 (cleanup_control_flow): Likewise.
18796 (remove_forwarder_block): Likewise.
18797 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18798 * tree-sra.c (sra_replace): Likewise.
18799 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18800 (forward_propagate_single_use_vars): Likewise.
18801 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18802 * tree-inline.c (expand_call_inline): Likewise.
18803 * tree-vect-transform.c (vect_transform_loop): Likewise.
18804 * tree-outof-ssa.c (rewrite_trees): Likewise.
18805 * tree-cfg.c (make_goto_expr_edges): Likewise.
18806 (cleanup_dead_labels): Likewise.
18807 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18808 (bsi_move_before, bsi_move_after): Likewise.
18809 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18810 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18812 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18815 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18817 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18818 on non gimple variables. Also add checks at the top for decls and
18820 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18822 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18823 and IMAGPART_EXPR for creating MUST_DEFs.
18824 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18825 and NAME_MEMORY_TAG separately from the DECLs.
18827 2006-01-06 Richard Guenther <rguenther@suse.de>
18829 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18830 annotation, if necessary.
18831 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18832 redundant calls to update_stmt.
18833 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18836 2006-01-05 Richard Henderson <rth@redhat.com>
18838 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18840 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18842 * c-typeck.c: Update copyright date.
18844 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18846 * c-typeck.c (build_c_cast): Always warn when casting
18847 from a pointer to an integer of different size, even if
18848 the node was constant.
18850 2006-01-05 Richard Guenther <rguenther@suse.de>
18852 PR tree-optimization/22555
18853 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18854 if one structure field is an array.
18855 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18856 operands even if we found a subvar, but ignore VOPs in this
18858 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18860 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18862 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18864 PR middle-end/24998
18865 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18867 2006-01-05 Richard Guenther <rguenther@suse.de>
18868 Diego Novillo <dnovillo@redhat.com>
18870 * tree-pass.h (TODO_remove_unused_locals): Define.
18871 * gimple-low.c (expand_var_p, remove_useless_vars,
18872 pass_remove_useless_vars): Remove. Update all users.
18873 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18874 (remove_unused_locals): New function.
18875 * tree-flow.h (remove_unused_locals): Declare.
18876 * passes.c (execute_todo): Call remove_unused_locals if
18877 TODO_remove_unused_locals is set.
18878 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18879 * tree-ssa-dce.c (pass_dce): Likewise.
18880 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18882 2006-01-05 Richard Guenther <rguenther@suse.de>
18884 * tree-flow.h (struct fieldoff): Decompose field to
18885 type, size and decl.
18886 * tree-ssa-alias.c (create_sft): Take type as parameter.
18887 (create_overlap_variables_for): Store type, size and decl
18888 in the fieldoff structure.
18889 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18890 of struct fieldoff.
18891 (push_fields_onto_fieldstack): Likewise.
18892 (create_variable_info_for): Likewise. Use offset for the
18893 SFT name if the decl is not available.
18895 2006-01-04 Paul Brook <paul@codesourcery.com>
18897 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18899 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18901 * lambda-code.c (can_put_in_inner_loop): Relax
18903 (can_put_after_inner_loop): New function.
18904 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18905 (perfect_nestify): Change to make copies and modify uses.
18907 2006-01-04 Richard Henderson <rth@redhat.com>
18909 Merge from gomp branch:
18910 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18911 via integer constant.
18912 (pragma_lex): Remove.
18913 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18914 rather than parsing it.
18915 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18916 handle_pragma_extern_prefix): Add %< %> quotes.
18917 (registered_pragmas): New.
18918 (c_register_pragma_1): New.
18919 (c_register_pragma): Use it.
18920 (c_register_pragma_with_expansion): Likewise.
18921 (c_invoke_pragma_handler): New.
18922 (init_pragma): Use cpp_register_deferred_pragma directly for
18924 * c-pragma.h (enum pragma_kind): New.
18925 (pragma_handler): New.
18926 (c_invoke_pragma_handler): Declare.
18927 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18929 * c-common.h (c_common_pch_pragma): Update decl.
18930 * Makefile.in (c-parser.o): Update dependencies.
18931 (GTFILES): Add c-pragma.h.
18932 * c-parser.c (struct c_token): Add pragma_kind.
18933 (struct c_parser): Add in_pragma.
18934 (c_lex_one_token): Always initialize keyword and pragma_kind.
18935 Extract data for CPP_PRAGMA.
18936 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18937 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18938 Don't allow CPP_PRAGMA_EOL if in_pragma.
18939 (c_parser_consume_pragma): New.
18940 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18941 (c_parser_skip_to_end_of_parameter): Likewise.
18942 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18943 (c_parser_skip_to_pragma_eol): New.
18944 (c_parser_external_declaration): Handle CPP_PRAGMA.
18945 (c_parser_compound_statement_nostart): Likewise.
18946 (c_parser_statement_after_labels): Likewise.
18947 (c_parser_pragma): New.
18948 (pragma_lex): Likewise.
18949 (c_parser_pragma_pch_preprocess): New.
18950 (c_parser_new): Merge into ...
18951 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18953 2006-01-04 Jeff Law <law@redhat.com>
18956 * tree-cfg.c (bsi_replace): Remove the original statement
18957 from the EH throw statement table.
18959 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18961 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18962 make the prototype extern "C" and add throw ().
18965 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18966 and pos non-negative and pos + len <= 32.
18967 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18968 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18969 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18972 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18973 as well as sizes not multiple of component size.
18976 * function.c (instantiate_expr): New function.
18977 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18978 walk its DECL_VALUE_EXPR with instantiate_expr.
18980 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18981 DW_OP_deref{,_size} if address isn't going to be added.
18983 2006-01-04 Ben Elliston <bje@au.ibm.com>
18985 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18986 * config/fp-bit.c: Likewise.
18988 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18990 * dominance.c: Add comment about why we use DFS numbering
18993 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18994 Richard Henderson <rth@redhat.com>
18996 Merge from gomp-branch:
18997 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18998 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19000 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19002 PR rtl-optimization/25578
19003 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19004 pass a parameter to simplify_shift_const if changing ASHIFTRT
19007 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19009 * builtins.c (get_builtin_sync_mem): New function.
19010 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19011 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19012 Call get_builtin_sync_mem to generate mem rtx.
19014 2006-01-03 Richard Guenther <rguenther@suse.de>
19017 * stmt.c (add_case_node): Make sure to clear overflow flags
19020 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19022 Merge from gomp-branch.
19023 * config/sparc/sync.md: New file.
19024 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19025 UNSPECV_LDSTUB): New constants.
19026 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19027 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19028 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19031 2006-01-03 Roger Sayle <roger@eyesopen.com>
19033 * combine.c (reg_subword_p): New predicate to test whether the
19034 destination of a set refers to a subword/piece of a register.
19035 (try_combine): Generalize the code to merge the setting of a
19036 pseudo to a constant followed by a set of a subword of that
19037 register to a constant.
19039 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19041 * basic-block.h (control_flow_graph): Change the type of
19042 x_label_to_block_map to VEC(basic_block,gc) *.
19043 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19044 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19046 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19047 VEC(basic_block,heap) *.
19048 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19049 ssa_prop_fini): Adjust the uses of cfg_blocks.
19051 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19053 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19055 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19056 hashing trees instead of a pointer hash.
19057 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19058 compare for MEM_EXPR.
19060 PR rtl-optimization/25130
19061 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19062 when comparing MEMs for GCSE
19064 2006-01-03 Ben Elliston <bje@au.ibm.com>
19066 * targhooks.h (default_decimal_float_supported_p): Declare.
19067 * targhooks.c (default_decimal_float_supported_p): Define.
19068 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19069 `default_decimal_float_supported_p'.
19070 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19072 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19074 * combine.c (apply_distributive_law <SUBREG>): Check
19075 TRULY_NOOP_TRUNCATION.
19077 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19079 * dwarf2out.c (have_switched_text_section): Delete.
19080 (have_multiple_function_sections): New.
19081 (have_location_lists): Make 'bool'.
19082 (add_AT_loc_list): Use 'true' not '1'.
19083 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19084 (output_loc_list): Use have_multiple_function_sections.
19085 (output_ranges): Likewise.
19086 (dwarf2out_begin_function): Set have_multiple_function_sections if
19088 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19089 Check function_section rather than DECL_SECTION_NAME.
19090 (dwarf2out_finish): Use have_multiple_function_sections.
19091 Don't clear have_location_lists.
19093 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19094 Jan Hubicka <jh@suse.cz>
19096 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19097 case of conditional jump jumping to the next instruction.
19098 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19099 cases of conditional jump jumping to the next instruction.
19101 2006-01-02 Jan Hubicka <jh@suse.cz>
19103 * i386.c (*_cost): Add COSTS_N_INSNS.
19104 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19106 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19109 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19111 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19113 * config/arm/arm.c (all_fpus): Fix comment typo.
19114 * config/darwin.c: Likewise.
19115 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19116 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19117 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19119 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19121 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19122 (rs6000_split_compare_and_swapqhi): New.
19123 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19124 (sync_compare_and_swapqhi_internal): New.
19125 * config/rs6000/rs6000-protos.h: Declare.