1 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3 PR rtl-optimization/29924
4 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
5 (unroll_loop_runtime_iterations): Assert that the argument passed to
6 split_edge_and_insert is not NULL.
7 * loop-doloop.c (add_test): Ditto.
9 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
11 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
13 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
14 * cfgloopmanip.c (update_single_exits_after_duplication,
15 update_single_exit_for_duplicated_loop, loop_version): Ditto.
16 * tree-scalar-evolution.c (get_loop_exit_condition,
17 get_exit_conditions_rec, loop_closed_phi_def,
18 number_of_iterations_in_loop, scev_const_prop): Ditto.
19 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
20 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
22 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
24 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
25 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
26 slpeel_make_loop_iterate_ntimes,
27 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
28 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
30 * tree-if-conv.c (if_convertible_loop_p): Ditto.
31 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
32 vect_analyze_loop_form): Ditto.
33 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
34 can_convert_to_perfect_nest, perfect_nestify): Ditto.
35 * tree-vect-transform.c (vect_create_epilog_for_reduction,
36 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
37 vect_transform_loop): Ditto.
38 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
39 (single_exit, set_single_exit): New functions.
40 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
41 (single_exit, set_single_exit): Declare.
42 * doc/loop.texi: Undocument single_exit field. Document single_exit
45 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
47 PR tree-optimization/29902
48 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
49 any involved ssa name appears in abnormal phi node.
51 2006-11-21 Bob Wilson <bob.wilson@acm.org>
53 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
54 (xtensa_const_ok_for_letter_p): Delete.
55 (xtensa_extra_constraint): Delete.
56 (override_options): Delete xtensa_char_to_class initialization.
57 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
58 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
59 (EXTRA_CONSTRAINT): Delete.
60 * config/xtensa/xtensa.md: Include constraints.md.
61 (call_internal): Combine alternatives.
62 (call_value_internal): Likewise, and remove invalid constraints.
63 * config/xtensa/constraints.md: New file.
64 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
65 (xtensa_extra_constraint): Delete.
66 * doc/md.texi (Machine Constraints): Refer to constraints.md for
69 2006-11-21 Janis Johnson <janis187@us.ibm.com>
71 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
72 of conversion that doesn't fit.
74 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
75 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
76 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
78 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
80 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
82 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
84 2006-11-21 Richard Guenther <rguenther@suse.de>
86 * tree-vectorizer.h (NUM_PATTERNS): Increase.
87 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
88 vect_recog_pow_pattern.
89 (vect_recog_pow_pattern): New function.
91 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
93 * config/bfin/bfin.opt (mstack-check-l1): New.
94 * doc/invoke.texi (Blackfin Options): Document it.
95 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
96 stack bounds in L1 memory if the new option is enabled.
97 (override_options): Don't allow combinations of -fstack-limit and
99 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
102 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
104 (bfin_register_move_cost): Bump costs if trying to move plain
105 integer values through accumulators.
107 2006-11-21 Ben Elliston <bje@au.ibm.com>
109 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
111 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
112 Russell Olsen <Russell_Olsen@playstation.sony.com>
113 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
114 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
115 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
116 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
117 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
119 * config.gcc: Add target for SPU.
120 * config/spu/constraints.md: New file.
121 * config/spu/crt0.c: New file.
122 * config/spu/crtend.c: New file.
123 * config/spu/crti.asm: New file.
124 * config/spu/crtn.asm: New file.
125 * config/spu/float_unsdidf.c: New file.
126 * config/spu/float_unssidf.c: New file.
127 * config/spu/predicates.md: New file.
128 * config/spu/spu-builtins.def: New file.
129 * config/spu/spu-builtins.h: New file.
130 * config/spu/spu-builtins.md: New file.
131 * config/spu/spu-c.c: New file.
132 * config/spu/spu-elf.h: New file.
133 * config/spu/spu-modes.def: New file.
134 * config/spu/spu-protos.h: New file.
135 * config/spu/spu.c: New file.
136 * config/spu/spu.h: New file.
137 * config/spu/spu.md: New file.
138 * config/spu/spu.opt: New file.
139 * config/spu/spu_internals.h: New file.
140 * config/spu/spu_intrinsics.h: New file.
141 * config/spu/spu_mfcio.h: New file.
142 * config/spu/t-spu-elf: New file.
143 * config/spu/vec_types.h: New file.
144 * config/spu/vmx2spu.h: New file.
145 * doc/contrib.texi: Document SPU contributor.
146 * doc/extend.texi: Document SPU extensions.
147 * doc/invoke.texi: Document SPU options.
148 * doc/md.texi: Document SPU constraints.
150 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
152 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
154 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
156 (flow_loop_dump): Do not dump loop level.
157 (flow_loops_find): Do not call flow_loops_level_compute.
158 * cfgloop.h (struct loop): Remove level field.
160 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
162 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
163 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
164 Use vector of edges instead of array.
165 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
166 estimate_numbers_of_iterations_loop): Ditto.
167 * predict.c (predict_loops): Ditto.
168 * loop-unroll.c (analyze_insns_in_loop): Ditto.
169 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
171 * basic-block.h: Declare heap allocation for edge vectors.
172 * tree-outof-ssa.c: Ditto.
173 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
174 * cfgloop.h (get_loop_exit_edges): Declaration changed.
176 2006-11-20 Zack Weinberg <zackw@panix.com>
178 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
179 Add another out parameter, "skip".
180 (set_gc_used_type): Adjust calls to process_gc_options. If a field
181 is tagged "skip", do not mark its type used.
183 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
186 * tree-sra.c (single_scalar_field_in_record_p): New function.
187 (decide_block_copy): Use it.
189 2006-11-20 David Daney <ddaney@avtrex.com>
191 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
192 PC to point to following instruction.
194 2006-11-20 Anatoly Sokolov <aesok@post.ru>
198 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
200 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
202 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
204 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
205 Add sh/superh.h to tm_file.
207 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
208 Mark Mitchell <mark@codesourcery.com>
210 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
212 (cpp_relocated): New function.
213 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
215 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
216 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
217 replace configured prefix with gcc_exec_prefix.
219 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
221 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
222 bfin_legitimate_constant_p.
223 * config/bfin/bfin.md (movsi expander): Check return value of
225 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
226 (expand_move): Adjust prototype.
227 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
228 invalid constants specially.
229 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
231 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
233 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
234 sibcall_value_symbol): Allow these patterns if
235 TARGET_LEAF_ID_SHARED_LIBRARY.
236 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
237 (override_options): Turn on id shared library flags if -msep-data,
238 but disallow the combination of these options on the command line.
239 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
240 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
241 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
243 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
244 * doc/invoke.texi (Blackfin Options): Document new switches.
246 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
247 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
249 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
250 inflate costs for addresses with an out-of-bounds address.
252 2006-11-19 Andrew Pinski <pinskia@gmail.com>
255 * fwprop.c (loops): Remove.
256 (forward_propagate_into): Use current_loops instead of
258 (fwprop_init): Call loop_optimizer_init instead of
260 (fwprop_done): Call loop_optimizer_finalize instead of
262 (fwprop): Use current_loops instead of loops.
264 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
267 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
269 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
272 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
273 larger than BITS_PER_WORD.
275 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
279 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
280 to MAX_FIXED_MODE_SIZE.
282 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
284 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
285 (fold_builtin_fmin_fmax): New.
286 (fold_builtin_1): Use it.
288 * fold-const.c (fold_strip_sign_ops): Handle copysign.
290 2006-11-18 Richard Guenther <rguenther@suse.de>
292 * config/i386/i386.c (ix86_builtins): New array for ix86
293 builtin function decls.
294 (def_builtin): New function.
295 (def_builtin_const): Likewise.
296 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
298 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
300 * doc/invoke.texi (core2): Add item.
302 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
304 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
305 (TARGET_CPU_DEFAULT_generic): Change value.
306 (TARGET_CPU_DEFAULT_NAMES): Add core2.
307 (processor_type): Add new constant PROCESSOR_CORE2.
309 * config/i386/i386.md (cpu): Add core2.
311 * config/i386/i386.c (core2_cost): New initialized variable.
312 (m_CORE2): New macro.
313 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
314 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
315 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
316 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
317 x86_partial_reg_dependency, x86_memory_mismatch_stall,
318 x86_accumulate_outgoing_args, x86_prologue_using_move,
319 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
320 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
321 x86_use_incdec, x86_four_jump_limit, x86_schedule,
322 x86_pad_returns): Add m_CORE2.
323 (override_options): Add entries for Core2.
324 (ix86_issue_rate): Add case for Core2.
326 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
328 * doc/invoke.texi: Fix mno-isel typo.
330 2006-11-18 Joseph Myers <joseph@codesourcery.com>
332 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
333 easy vector constant loads.
335 2006-11-18 Joseph Myers <joseph@codesourcery.com>
337 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
338 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
339 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
340 * config/rs6000/sync.md (lwsync): Emit plain sync if
343 2006-11-17 DJ Delorie <dj@redhat.com>
345 * reload1.c (reloads_unique_chain): New.
346 (reloads_conflict): Call it.
348 2006-11-17 Bob Wilson <bob.wilson@acm.org>
350 * config/xtensa/predicates.md (addsubx_operand): New.
351 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
352 (xtensa_emit_bit_branch): New.
353 (xtensa_emit_movcc): New.
354 * config/xtensa/xtensa.md (any_minmax): New code macro.
355 (minmax): New code attribute.
356 (any_cond, any_scc, any_scc_sf): New code macros.
357 (*addx2, *addx4, *addx8): Delete.
359 (*subx2, *subx4, *subx8): Delete.
361 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
362 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
363 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
364 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
365 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
366 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
367 (movsfcc_internal0, movsfcc_internal1): Likewise.
368 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
369 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
370 (xtensa_emit_bit_branch): New.
371 (xtensa_emit_movcc): New.
372 (function_arg_boundary): Add missing prototype.
374 2006-11-17 Bob Wilson <bob.wilson@acm.org>
376 * config/xtensa/xtensa.md (tstsi): Delete
378 2006-11-17 Bob Wilson <bob.wilson@acm.org>
380 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
382 2006-11-17 Bob Wilson <bob.wilson@acm.org>
384 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
386 2006-11-17 Bob Wilson <bob.wilson@acm.org>
388 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
390 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
392 * tree-vrp.c (execute_vrp): Do not update current_loops.
393 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
394 * doc/loop.texi: Remove documentation for cancelled functions.
395 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
396 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
398 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
399 (remove_path): Ensure that in delete_basic_blocks, the loops
401 (add_loop): Work on valid loop structures.
402 (loopify): Modify call of add_loop.
403 (mfb_update_loops): Removed.
404 (create_preheader): Do not update loops explicitly.
405 (force_single_succ_latches, loop_version): Do not use
406 loop_split_edge_with.
407 (loop_split_edge_with): Removed.
408 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
409 Do not use bsi_insert_on_edge_immediate_loop.
410 (split_loop_exit_edge, tree_unroll_loop): Do not use
411 loop_split_edge_with.
412 (bsi_insert_on_edge_immediate_loop): Removed.
413 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
414 use loop_split_edge_with.
415 * cfghooks.c: Include cfgloop.h.
416 (verify_flow_info): Verify that loop_father is filled iff current_loops
418 (redirect_edge_and_branch_force, split_block, delete_basic_block,
419 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
421 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
423 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
424 loop_split_edge_with.
425 (sms_schedule): Use current_loops.
426 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
427 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
429 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
430 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
431 * ifcvt.c (if_convert): Ditto.
432 * predict.c (predict_loops): Do not clear current_loops.
433 (tree_estimate_probability): Use current_loops.
434 (propagate_freq): Receive head of the region to propagate instead of
436 (estimate_loops_at_level): Do not use shared to_visit bitmap.
437 (estimate_loops): New function. Handle case current_loops == NULL.
438 (estimate_bb_frequencies): Do not allocate tovisit. Use
440 * tree-ssa-loop.c (current_loops): Removed.
441 (tree_loop_optimizer_init): Do not return loops.
442 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
443 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
444 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
445 Do not update loops explicitly.
446 * function.h (struct function): Add x_current_loops field.
447 (current_loops): New macro.
448 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
449 * loop-unroll.c (split_edge_and_insert): New function.
450 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
451 use loop_split_edge_with.
452 * loop-doloop.c (add_test, doloop_modify): Ditto.
453 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
454 * cfglayout.c (copy_bbs): Do not update loops explicitly.
455 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
456 * tree-vect-transform.c (vect_transform_loop): Do not update loops
458 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
459 (flow_loops_free): Do not free dfs_order and rc_order.
460 (flow_loops_find): Do not set dfs_order and rc_order in loops
461 structure. Do not call loops and flow info verification.
462 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
463 already belongs to some loop.
464 * cfgloop.h (struct loops): Remove struct cfg.
465 (current_loops, loop_split_edge_with): Declaration removed.
466 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
467 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
469 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
470 * basic-block.h (split_edge_and_insert): Declare.
471 * tree-cfg.c (remove_bb): Do not update loops explicitly.
473 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
475 PR tree-optimization/29801
476 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
477 (get_default_value): Use get_symbol_constant_value.
478 (set_lattice_value): ICE when the value of the constant is
480 (visit_assignment): Ignore VDEFs of read-only variables.
482 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
484 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
486 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
487 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
489 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
491 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
492 select subvars of var.
494 2006-11-17 Jakub Jelinek <jakub@redhat.com>
497 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
498 optimize if DEF doesn't have integral type.
500 2006-11-16 Mike Stump <mrs@apple.com>
502 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
503 pre-darwin9 system, unless the user asks for it directly.
504 (PREFERRED_DEBUGGING_TYPE): Likewise.
505 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
506 * config.gcc: Add suppport for darwin9.h.
507 * config/darwin9.h: Add.
508 * doc/install.texi (Specific): Clarify darwin documentation.
510 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
512 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
515 2006-11-16 Mike Stump <mrs@apple.com>
517 * Makefile.in (targhooks.o): Add $(OPTABS_H).
519 2006-11-16 Dirk Mueller <dmueller@suse.de>
521 * tree-vrp.c (get_value_range): Use XCNEW instead
523 (insert_range_assertions): Use XCNEWVEC instead
524 of XNEWVEC and memset.
525 (vrp_initialize): Same.
526 (vrp_finalize): Same.
527 * tree-ssa-ccp.c (ccp_initialize): Same.
528 * predict.c (tree_bb_level_predictions): Same.
529 * calls.c (expand_call): Same.
530 * tree-ssa-copy.c (init_copy_prop): Same.
531 (fini_copy_prop): Same.
532 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
533 of GGC_NEW and memset.
535 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
538 * gimplify.c (gimplify_expr): Only force a load for references to
539 non-BLKmode volatile values.
540 * doc/implement-c.texi (Qualifiers implementation): Document the
541 interpretation of what a volatile access is.
542 * doc/extend.texi (C++ Extensions): Rework same documentation.
544 2006-11-16 Joseph Myers <joseph@codesourcery.com>
546 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
549 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
551 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
553 (arm_neg_abssi2): Renamed from neg_abssi2.
554 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
556 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
558 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
559 number of arguments passed to local functions in SSE registers is 3.
561 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
562 number of arguments passed in SSE registers to 3.
564 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
567 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
569 (get_last_bb_insn): ... new global function.
570 (basic_block.h): Declare it.
571 * haifa-sched.c (create_recovery_block): Use it.
573 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
576 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
578 2006-11-15 Paul Brook <paul@codesourcery.com>
580 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
581 _Unwind_GetTextRelBase): Move from here ...
582 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
583 _Unwind_GetTextRelBase): ... To here.
585 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
587 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
588 addresses we generate for testing are aligned.
590 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
593 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
594 to what is the const decl is a place holder for.
596 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
598 * config/i386/i386.opt: New target option -mx87regparm.
600 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
601 and float_in_x87 variables. mmx_words, sse_words: Remove.
602 (X87_REGPARM_MAX): Define.
604 * config/i386/i386.c (override_options): Error out for
605 -mx87regparm but no 80387 support.
606 (ix86_attribute_table): Add x87regparm.
607 (ix86_handle_cconv_attribute): Update comments for x87regparm.
608 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
609 (ix86_function_x87regparm): New function.
610 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
612 (init_cumulative_args): Initialize x87_nregs and float_in_x87
614 (function_arg_advance): Process x87_nregs and x87_regno when
615 floating point argument is to be passed in 80387 register.
616 (function_arg): Pass XFmode arguments in 80387 registers for local
617 functions. Pass SFmode and DFmode arguments to local functions
618 in 80387 registers when flag_unsafe_math_optimizations is set.
620 * reg-stack.c (convert_regs_entry): Disable NaN load for
621 stack registers that are used for argument passing.
623 * doc/extend.texi: Document x87regparm function attribute.
624 * doc/invoke.texi: Document -mx87regparm.
626 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
628 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
629 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
630 arg MODE; all callers changed. Use it to determine validity per
631 machine mode instead of using Pmode for all memory references.
632 (get_address_cost): Likewise add and use new arg MEM_MODE.
634 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
635 J"orn Rennecke <joern.rennecke@st.com>
637 * combine.c (likely_spilled_retval_1): Fix masking operation.
638 (likely_spilled_retval_p): Use proper pattern for call to
639 likely_spilled_retval_1.
641 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
643 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
645 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
646 that tests for CONSTANT_POOL_ADDRESS_P.
648 2006-11-15 Jakub Jelinek <jakub@redhat.com>
650 PR tree-optimization/29581
651 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
652 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
653 type is different between Y and USE, create a temporary
654 variable, initialize it at the beginning of the body bb
655 and use it as replacement instead of Y.
657 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
660 * gimplify.c (fold_indirect_ref_rhs): Use
661 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
663 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
665 * expmed.c (emit_store_flag_1): New function.
666 (emit_store_flag): Call it. If we can't find a suitable scc insn,
668 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
669 Use do_compare_rtx_and_jump.
670 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
671 * arm.md (cstoresi4): New define_expand.
672 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
673 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
674 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
676 2006-11-14 Caroline Tice <ctice@apple.com>
678 * dwarf2out.c (debug_pubtypes_section): New static global variable.
679 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
681 (pubname_table): Redefine as a vector.
682 (pubtype_table): New static global variable, defined as a vector.
683 (pubname_table_allocated): Remove static global variable.
684 (pubname_table_in_use): Remove static global variable.
685 (PUBNAME_TABLE_INCREMENT): Remove constant.
686 (size_of_pubnames): Add parameter to deal with either pubnames or
687 pubtypes, and change code to deal with table being a vector.
688 (add_pubname): Change to deal with table being a vector.
689 (add_pubtype): New function.
690 (output_pubnames): Add parameter to deal with either pubnames or
691 pubtypes, and change code to deal with table being a vector.
692 (gen_array_type_die): Add call to add_pubtype.
693 (gen_enumeration_type_die): Add call to add_pubtype.
694 (gen_struct_or_union_type_die): Add call to add_pubtype.
695 (gen_subroutine_type_die): Add call to add_pubtype.
696 (gen_typedef_die): Add call to add_pubtype.
697 (dwarf2out_init): Add code to initialize pubname_table and
698 pubtype_table vectors; also initialize debug_pubtypes_section.
699 (prune_unused_types): Change to deal with pubnames being a vector.
700 (dwarf2out_finish): Change to deal with pubnames being a vector; add
701 pubnames table to call to output_pubnames; Add code to output pubtypes
702 table if DEBUG_PUBTYPES_SECTION is defined.
703 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
705 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
707 2006-11-14 Joseph Myers <joseph@codesourcery.com>
709 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
710 iwmmxt_nregs if TARGET_IWMMXT_ABI.
711 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
712 movv2si_internal): Support moves between core registers.
714 2006-11-14 Eric Christopher <echristo@apple.com>
716 * configure: Regenerate with autoconf 2.59.
718 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
720 Fix PR tree-optimization/27755
722 * tree-ssa-pre.c: Update comments.
723 (bb_bitmap_sets): Add pa_in and deferred member.
724 (BB_DEFERRED): New macro.
725 (maximal_set): New variable.
726 (pre_stats): Add pa_insert member.
727 (bitmap_set_and): Short circuit orig == dest.
728 (bitmap_set_subtract_values): New function.
729 (bitmap_set_contains_expr): Ditto.
730 (translate_vuses_through_block): Add phiblock argument.
731 (dependent_clean): New function.
732 (compute_antic_aux): Update for maximal_set changes.
733 (compute_partial_antic_aux): New function.
734 (compute_antic): Handle partial anticipation.
735 (do_partial_partial_insertion): New function.
736 (insert_aux): Handle partial anticipation.
737 (add_to_sets): Add to maximal set.
738 (compute_avail): Ditto.
739 (init_pre): Initialize maximal_set.
740 (execute_pre): Do partial anticipation if -O3+.
742 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
744 PR rtl-optimization/29798
746 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
747 TARGET_INSN before any other check.
748 (fwprop_init): Always calculate dominators.
749 (fwprop_done): Always free them.
751 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
753 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
756 2006-11-13 DJ Delorie <dj@redhat.com>
758 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
759 temporary for intermediates.
761 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
763 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
764 (sh_optimize_target_register_callee_saved): #if 0 the code
765 using NOTE_INSN_LOOP_{BEG,END}.
767 2006-11-13 Roger Sayle <roger@eyesopen.com>
769 * fold-const.c (optimize_bit_field_compare): Recursively call
770 fold when simplifying non-constant comparisons between bit-fields.
772 2006-11-13 Jakub Jelinek <jakub@redhat.com>
774 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
776 * configure: Rebuilt.
778 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
780 * config/rs6000/cell.md: New file.
781 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
783 (ppccell_cost): New cost matrix.
784 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
785 (rs6000_override_options): Set rs6000_always_hint to false
786 for cell. Also align functions/lables/loops to 8byte
787 for the Cell. Use PROCESSOR_CELL.
788 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
790 (rs6000_variable_issue): If the insn is a nonpipelined instruction
791 on the Cell, return 0.
792 (rs6000_adjust_cost): Add Cell cost adjustments.
793 (is_microcoded_insn): Return true for Cell microcoded
795 (is_nonpipeline_insn): New function.
796 (rs6000_issue_rate): Add PROCESSOR_CELL.
797 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
799 (rs6000_use_sched_lookahead_guard): New function.
800 (rs6000_sched_reorder): Reorder the ready list, if the second
801 to last ready insn is a nonepipeline insn on the Cell.
802 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
803 (ASM_CPU_SPEC): Add Cell.
804 * config/rs6000/rs6000.md (cpu): Add Cell.
805 (cell_micro): New Attr.
808 2006-11-13 Jakub Jelinek <jakub@redhat.com>
810 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
812 * configure: Rebuilt.
814 2006-11-13 Richard Guenther <rguenther@suse.de>
816 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
818 (ix86_expand_lfloorceil): Likewise.
819 (ix86_expand_rint): Likewise.
820 (ix86_expand_floorceildf_32): Likewise.
821 (ix86_expand_floorceil): Likewise.
822 (ix86_expand_rounddf_32): Likewise.
823 (ix86_expand_truncdf_32): Likewise.
824 (ix86_expand_round): Likewise.
826 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
827 Mark Mitchell <mark@codesourcery.com>
829 * gcc.c: Organize search path variables into $prefix relative,
830 and well-known native. Add comments.
831 (add_sysrooted_prefix): Add comment.
832 (process_command): If !gcc_exec_prefix add $prefix based paths.
833 If *cross_compile == '0', add native well-known paths.
834 Assert tooldir_base_prefix is always relative.
835 (main): If print_search_dirs, and if gcc_exec_prefix is set,
836 use this value for 'install:' path.
837 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
839 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
841 * config/i386/i386.c: Fix a typo in comment.
843 2006-11-13 Michael Matz <matz@suse.de>
845 * genemit.c (gen_expand): Allocate enough memory.
847 2006-11-13 Joseph Myers <joseph@codesourcery.com>
849 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
850 __GXX_TYPEINFO_EQUALITY_INLINE but not
851 __GXX_MERGED_TYPEINFO_NAMES.
852 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
853 __GXX_MERGED_TYPEINFO_NAMES.
854 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
855 __GXX_TYPEINFO_EQUALITY_INLINE.
857 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
858 Zdenek Dvorak <dvorakz@suse.cz>
860 PR tree-optimization/29680
861 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
864 2006-11-12 Jason Merrill <jason@redhat.com>
865 Andrew Pinski <pinskia@physics.uc.edu>
868 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
870 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
872 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
873 * tree.c (build_vector): Handle non-_CST elements.
875 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
877 * genemit.c (gen_insn): Call gen_exp with a non-null used
878 when handling multiple insns.
879 (gen_expand): Likewise.
880 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
881 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
882 (movsi_const_16bit+1): Copy operands[1].
883 (call_pcrel): Copy the call_site pattern.
884 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
886 2006-11-12 Roger Sayle <roger@eyesopen.com>
888 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
889 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
890 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
891 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
893 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
895 Fix PR tree-optimization/29587
896 * tree-ssa-structalias.c (process_constraint): Don't
897 mark address taken due only to escaped vars constraint.
899 2006-11-12 Michael Matz <matz@suse.de>
900 Roger Sayle <roger@eyesopen.com>
902 PR rtl-optimization/29797
903 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
904 BITS_BIG_ENDIAN targets.
906 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
908 * builtins.c (fold_builtin_cosh): New.
909 (fold_builtin_1): Use it.
910 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
911 trunc to the list of "odd" functions. Also add llrint, lrint,
912 rint and nearbyint when flag_rounding_math is false.
914 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
916 * tree-flow.h (name_mappings_registered_p): Declare.
917 * tree-into-ssa.c (name_mappings_registered_p): New function.
918 * tree-cfg.c (tree_can_merge_blocks_p): Check
919 name_mappings_registered_p instead of need_ssa_update_p.
921 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
923 * tree-ssa-loop.c (tree_vectorize): Return the result of
925 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
927 * tree-vectorizer.h (vectorize_loops): Declaration removed.
928 * tree-flow.h (vectorize_loops): Declaration changed.
930 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
932 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
934 (issue_prefetch_ref): Move assignment to write_p out of loop.
935 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
936 SIMULTANEOUS_PREFETCHES into account.
937 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
938 * lambda-code.c (lcm): Renamed to ...
939 (least_common_multiple): ... and exported.
940 * tree-flow.h (least_common_multiple): Declare.
942 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
944 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
945 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
946 ud-chains. Handle AND_EXPR.
947 (record_estimate): Record whether the estimate is realistic
948 and whether it is derived from a loop exit.
949 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
950 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
952 (compute_estimated_nb_iterations): Take only realistic bounds into
953 account. Set estimate_state. Use double_ints.
954 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
955 and infer_loop_bounds_from_signedness. Do not consider basic blocks
956 that do not have to be always executed.
957 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
958 to determine whether to call infer_loop_bounds_from_undefined
959 and compute_estimated_nb_iterations.
960 (n_of_executions_at_most): Use double_ints.
961 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
962 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
963 * double-int.c (double_int_to_tree): Improve comment.
964 (double_int_fits_to_tree_p): New function.
965 * double-int.h (double_int_fits_to_tree_p): Declare.
966 * tree-data-ref.c: Include langhooks.h.
967 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
968 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
969 (analyze_array): Do not pass estimate_only argument to
970 analyze_array_indexes.
971 (get_number_of_iters_for_loop): Build tree from the stored double_int
973 (get_references_in_stmt, find_data_references_in_stmt): New functions.
974 (find_data_references_in_loop): Use find_data_references_in_stmt.
975 * tree-data-ref.h (struct data_ref_loc_d): New.
976 (get_references_in_stmt): Declare.
977 (estimate_iters_using_array): Declaration removed.
978 * cfgloop.h (struct nb_iter_bound): Change type of bound to
979 double_int. Improve comments. Add is_exit and realistic
981 (struct loop): Changed type of estimated_nb_iterations to double_int.
982 Added estimate_state field.
983 (record_estimate): Declaration removed.
985 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
987 * params.c (set_param_value): Initialize the "set" field.
988 * params.h (struct param_info): Add "set" field.
989 (PARAM_SET_P): New macro.
990 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
991 L1_CACHE_LINE_SIZE): New macros.
992 * toplev.c (DEFPARAM): Initialize the "set" field.
993 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
994 SIMULTANEOUS_PREFETCHES): Removed.
995 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
996 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
997 * config/sparc/sparc.c: Include params.h.
998 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
999 L1_CACHE_LINE_SIZE parameters.
1000 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1002 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1004 * config/i386/i386.c: Include params.h.
1005 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1006 (override_options): Set SIMULTANEOUS_PREFETCHES and
1007 L1_CACHE_LINE_SIZE parameters.
1008 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1009 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1010 L1_CACHE_LINE_SIZE parameters.
1011 * config/ia64/ia64.c (ia64_optimization_options): Set
1012 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1013 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1015 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1016 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1017 * doc/invoke.texi: Document new params.
1019 2006-11-12 Roger Sayle <roger@eyesopen.com>
1021 PR tree-optimization/13827
1022 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1025 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1027 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1028 update_single_exit_for_duplicated_loops): New functions.
1029 (duplicate_loop_to_header_edge): Use
1030 update_single_exit_for_duplicated_loops.
1031 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1032 functions only with ENABLE_CHECKING.
1034 2006-11-12 Andreas Schwab <schwab@suse.de>
1036 * except.c (sjlj_emit_function_enter): Remove unused variable.
1038 2006-11-11 Roger Sayle <roger@eyesopen.com>
1040 * fold-const.c (int_binop_types_match_p): New function.
1041 (size_binop): Relax constraint that both arguments must both have
1042 exactly the same sizetype type. Instead use int_binop_types_match_p.
1043 (size_diffop): Likewise.
1045 (make_range): Use build_int_cst instead of fold_convert.
1046 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1047 integer constants of the correct type.
1048 (fold_div_compare): Likewise.
1049 (fold_single_bit_test): Likewise.
1050 (fold_binary): Likewise.
1051 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1052 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1054 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1057 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1058 non null value if the struct memory access is in the 0th
1061 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1064 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1065 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1068 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1069 instead of builtin_define for bfin and BFIN.
1071 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1073 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1076 2006-11-11 Jan Hubicka <jh@suse.cz>
1078 * extended.texi (__builtin_expect): We no longer require second argument
1080 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1081 * builtins.c (expand_builtin_expect): Simplify.
1082 (expand_builtin_expect_jump): Kill.
1083 * final.c (final_scan_insn): Do not skip the removed notes.
1084 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1085 EXPECTED_VALUE): Remove.
1086 * dojump.c (do_jump): Do not care about __builtin_expect.
1087 * predict.c (expected_value_to_br_prob): Kill.
1088 * function.c (expand_function_end): Do not expand
1089 NOTE_INSN_REPEATED_LINE_NUMBER.
1090 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1091 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1092 * cfgexpand.c (add_reg_br_prob_note): Export.
1093 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1094 expected_value_to_br_prob.
1095 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1096 * rtl.h (add_reg_br_prob_note): Declare.
1098 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1100 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1102 2006-11-11 Jan Hubicka <jh@suse.cz>
1104 * predict.c (predict_loops): Kill RTL variant.
1106 2006-11-11 Jan Hubicka <jh@suse.cz>
1108 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1109 * modulo-sched.c (find_line_note): Remove.
1110 (loop_canon_p): Do not worry about line number notes.
1111 (sms_schedule): Likewise.
1112 * cse.c (cse_main): Likewise.
1113 * regmove.c (fixup_match_1): Likewise
1114 * function.c (emit_return_info_block): Likewise.
1115 (expand_function_end): Likewise.
1116 (thread_prologue_an_epilogue_insns): Likewise.
1117 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1119 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1120 emit_note_copy_after): Kill.
1121 (emit_note_copy): Do not worry about line numbers.
1122 * jump.c (purge_line_number_notes): Kill.
1123 (pass_purge_lineno_notes): Kill.
1124 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1126 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1127 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1128 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1129 * tree-pass.h (pass_purge_lineno_notes): Kill.
1130 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1131 rm_redundant_line_notes.
1132 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1133 rm_redundant_line_notes.
1134 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1135 * haifa-sched.c: Update comment about handling notes.
1136 (unlink_line_notes): Kill.
1137 (rm_line_notes): Kill.
1138 (save_line_notes): Simplify.
1139 (rm_redundant_line_notes): Kill.
1141 2006-11-11 Richard Guenther <rguenther@suse.de>
1143 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1144 Remove unused tree codes.
1145 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1146 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1147 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1148 * tree.c (stabilize_reference): Likewise.
1149 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1150 fold_unary): Likewise.
1151 * tree-gimple.c (is_gimple_cast): Likewise.
1152 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1153 * expr.c (expand_expr_real_1): Likewise.
1154 * tree-eh.c (tree_could_trap_p): Likewise.
1155 * gimplify.c (gimplify_expr): Likewise.
1156 * tree-inline.c (estimate_num_insns_1): Likewise.
1157 * tree-cfg.c (verify_expr): Likewise.
1159 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1161 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1162 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1163 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1165 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1168 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1169 constraints accept neither registers or memories.
1171 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1173 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1174 (NO_PROFILE_COUNTERS): Define as 1.
1176 2006-11-10 Roger Sayle <roger@eyesopen.com>
1178 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1179 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1181 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1183 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1185 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1187 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1188 (fold_builtin_hypot): Likewise.
1189 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1191 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1193 2006-11-10 Roger Sayle <roger@eyesopen.com>
1195 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1196 when attempting to build INTEGER_CSTs of non-integral types.
1197 * expmed.c (make_tree): Use the correct type, i.e. the inner
1198 type, when constructing the individual elements of a CONST_VECTOR.
1200 2006-11-10 Jan Hubicka <jh@suse.cz>
1202 * cse.c (cse_process_notes): Copy the propagated value.
1203 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1205 * gcse.c (try_replace_reg): Copy the replacement.
1206 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1207 (assign_386_stack_local): Always return copied memory expression
1208 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1211 2006-11-10 Jan Hubicka <jh@suse.cz>
1213 * final.c (final): Walk from first instruction.
1214 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1216 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1219 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1221 (umulv8hi3_highpart): Ditto.
1222 (vec_widen_smult_hi_v8hi): New expander.
1223 (vec_widen_smult_lo_v8hi): Ditto.
1225 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1228 * builtins.c (do_mpfr_arg3): New.
1229 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1231 2006-11-09 Eric Christopher <echristo@apple.com>
1236 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1237 * config.gcc (powerpc64-*-darwin*): New target.
1238 * config.host: Ditto.
1239 * config/rs6000/darwin64.h: New file.
1240 * config/rs6000/x-darwin64: Ditto.
1241 * config/rs6000/host-ppc64-darwin.c: Ditto.
1243 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1245 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1246 routines for integer division.
1248 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1250 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1252 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1255 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1257 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1259 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1260 simplify_subreg with BLKmode outer mode.
1262 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1264 * doc/invoke.texi: Minor formatting fixes in option lists.
1266 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1268 PR tree-optimization/29738
1269 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1270 (ccp_lattice_t): Remove UNKNOWN_VAL.
1271 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1272 Do not handle UNKNOWN_VAL.
1273 (get_default_value): Set initial value of virtual operands to
1275 (get_value): Always use get_default_value on uninitialized
1277 (set_value_varying, surely_varying_stmt_p): New functions.
1278 (set_lattice_value): Do not pass argument to get_value.
1279 Do not handle UNKNOWN_VAL.
1280 (likely_value): Follow the semantics described in the comment.
1281 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1282 phi nodes DONT_SIMULATE_AGAIN.
1283 (ccp_fold): Do not pass argument to get_value.
1284 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1287 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1289 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1290 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1292 2006-11-08 Roger Sayle <roger@eyesopen.com>
1294 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1295 test for inclusion rather than as a test for exclusion.
1296 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1297 the condition after calling fold_binary.
1298 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1299 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1300 * builtins.c (fold_builtin_isascii): Likewise.
1301 (fold_builtin_isdigit): Likewise.
1303 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1305 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1306 * configure: Regenerate.
1308 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1310 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1311 enum argument instead of bool.
1312 (vect_analyze_operations): Call vectorizable_type_promotion.
1313 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1314 stmt_vec_info_type value.
1315 (supportable_widening_operation, vectorizable_type_promotion): New
1316 function declarations.
1317 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1318 (vectorizable_type_promotion): New function.
1319 (vect_transform_stmt): Call vectorizable_type_promotion.
1320 * tree-vect-analyze.c (supportable_widening_operation): New function.
1321 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1323 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1326 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1327 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1328 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1330 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1331 * expr.c (expand_expr_real_1): Likewise.
1332 * optabs.c (optab_for_tree_code): Likewise.
1333 (init_optabs): Initialize new optabs.
1334 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1335 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1336 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1337 vec_unpacku_lo_optab): Initialize new optabs.
1338 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1339 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1340 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1342 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1343 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1344 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1345 (vec_unpacku_lo_optab): New optabs.
1346 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1347 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1348 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1349 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1350 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1351 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1353 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1354 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1355 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1356 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1357 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1358 implement the unsigned unpacking patterns.
1359 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1360 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1361 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1362 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1363 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1364 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1365 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1366 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1367 multiplication patterns.
1369 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1370 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1371 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1372 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1373 (rs6000_builtin_mul_widen_odd): New.
1374 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1375 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1376 * tree-vectorizer.h (enum vect_relevant): New enum type.
1377 (_stmt_vec_info): Field relevant chaned from bool to enum
1379 (STMT_VINFO_RELEVANT_P): Updated.
1380 (STMT_VINFO_RELEVANT): New.
1381 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1382 instead of STMT_VINFO_RELEVANT_P.
1383 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1384 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1385 and boolean variable with enum vect_relevant.
1386 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1387 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1388 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1390 2006-11-08 Richard Henderson <rth@redhat.com>
1392 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1393 vec_widen_umult_lo_v8hi): New.
1394 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1395 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1397 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1398 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1399 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1400 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1401 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1402 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1403 vec_unpacks_lo_v4si): New.
1405 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1407 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1408 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1409 (vect_analyze_operations): Call vectorizable_type_demotion.
1410 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1411 stmt_vec_info_type value.
1412 (vectorizable_type_demotion): New function declaration.
1413 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1416 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1417 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1419 * tree-iniline.c (estimate_num_insns_1): Likewise.
1420 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1421 * optabs.c (optab_for_tree_code): Likewise.
1423 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1424 compared against the predicate of the result is not 'mode' (the input
1425 to the function) but a mode with half the size of 'mode'.
1426 (init_optab): Initialize new optabs.
1427 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1429 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1431 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1432 (vec_pack_usat_optab): Initialize new optabs.
1433 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1434 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1436 2006-11-08 Richard Henderson <rth@redehat.com>
1438 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1439 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1440 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1441 (vec_interleave_highv4si, vec_interleave_lowv4si):
1442 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1444 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1446 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1448 (vect_transform_stmt): Removed redundant code.
1450 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1452 * tree-vect-transform.c (vectorizable_operation): Support multiple
1455 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1457 * tree-vect-transform.c (vect_align_data_ref): Removed.
1458 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1459 Updated function documentation. Return the increment stmt in ptr_incr.
1460 (bump_vector_ptr): New function.
1461 (vect_get_vec_def_for_stmt_copy): New function.
1462 (vect_finish_stmt_generation): Create a stmt_info to newly created
1464 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1466 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1467 VF is greater than the number of elements that can fit in one vector
1469 (vectorizable_operation, vectorizable_condition): Likewise.
1470 (vectorizable_store, vectorizable_load): Support the case that the VF
1471 is greater than the number of elements that can fit in one vector word.
1472 (vect_transform_loop): Don't fail in case of multiple data-types.
1473 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1474 in case of multiple data-types; the smallest type determines the VF.
1475 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1476 if they are of different sizes.
1477 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1478 number of elements rather than number of bytes.
1479 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1480 (vect_can_advance_ivs_p): Fix a dump printout
1482 2006-11-07 Eric Christopher <echristo@apple.com>
1484 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1485 (__bswapsi2): Ditto.
1486 * libgcc2.h: Remove transformation of bswap routines.
1487 * config/i386/i386.md (bswapsi2): New.
1490 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1492 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1493 (handle_gnu_inline_attribute): New function.
1494 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1495 (merge_decls, start_decl, start_function): Likewise.
1496 * doc/extend.texi: Document gnu_inline attribute.
1498 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1501 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1502 _fixunstfdi, and _floatditf
1504 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1506 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1508 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1509 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1510 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1511 which start in an odd register.
1513 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1515 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1517 2006-11-07 Josh Conner <jconner@apple.com>
1519 * doc/invoke.texi (fstrict-aliasing): Move implementation
1521 * doc/tree-ssa.texi (Alias analysis): ...here.
1523 2006-11-07 Richard Guenther <rguenther@suse.de>
1525 PR tree-optimization/29610
1526 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1527 of tree_purge_dead_eh_edges as it may free dominators.
1529 * g++.dg/other/pr29610.C: New testcase.
1531 2006-11-07 David Ung <davidu@mips.com>
1533 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1534 costs when optimizing for size.
1535 (override_options): Use mips_rtx_cost_optimize_size table for cost
1538 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1540 * gcc.c (process_command): Treat -b as normal switch if its argument
1543 2006-11-07 David Ung <davidu@mips.com>
1545 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1548 2006-11-06 Eric Christopher <echristo@apple.com>
1550 * config.gcc: Add x86_64-darwin host support.
1551 * config.host: Ditto.
1552 * config/i386/darwin64.h: New file.
1553 * config/i386/t-darwin64: Ditto.
1555 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1557 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1558 and output-exists-not.
1560 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1563 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1564 checking for overflow.
1566 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1568 * configure.ac: Fixed typo in case statement: :: changed to ;;
1570 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1572 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1573 count_leading_zeros, and count_trailing_zeros.
1574 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1575 (TARGET_FOLD_BUILTIN): Define.
1576 (TARGET_EXPAND_BUILTIN): Define.
1577 (xtensa_init_builtins): New.
1578 (xtensa_fold_builtin): New.
1579 (xtensa_expand_builtin): New.
1580 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1581 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1582 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1583 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1584 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1585 (any_extend): New code macro.
1586 (u, su): New code attributes.
1587 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1588 (nsau): Remove; replaced by clzsi2.
1589 (ffssi2): Use clzsi2.
1590 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1591 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1592 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1593 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1594 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1596 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1598 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1600 * config/arm/t-strongarm-elf: Likewise.
1601 * config/arm/t-pe: Likewise.
1602 * config/arm/t-arm-elf: Likewise.
1603 * config/arm/t-xscale-elf: Likewise.
1604 * config/arm/t-arm-coff: Likewise.
1605 * config/arm/t-xscale-coff: Likewise.
1606 * config/arm/t-wince-pe: Likewise.
1608 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1610 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1613 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1616 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1619 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1622 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1623 as a valid 80387 constant.
1624 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1625 * config/i386/i386.md (unnamed splitter): Split the load of
1626 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1629 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1631 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1632 from the soft-frame, argument and virtual registers.
1634 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1636 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1637 patterns for standard 80387 constants.
1639 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1640 Steven Bosscher <steven@gcc.gnu.org>
1642 * fwprop.c: New file.
1643 * Makefile.in: Add fwprop.o.
1644 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1645 * passes.c (init_optimization_passes): Schedule forward propagation.
1646 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1648 * timevar.def (TV_FWPROP): New.
1649 * common.opt (-fforward-propagate): New.
1650 * opts.c (decode_options): Enable forward propagation at -O2.
1651 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1652 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1653 canon_for_address, table_size): Remove.
1654 (new_basic_block, insert, remove_from_table): Remove references to
1656 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1657 simplification loop more straightforward by not calling fold_rtx
1659 (equiv_constant): Move here a small part of fold_rtx_subreg,
1660 do not call fold_rtx. Call avoid_constant_pool_reference
1662 * recog.h (canonicalize_change_group): New.
1664 * doc/invoke.texi (Optimization Options): Document fwprop.
1665 * doc/passes.texi (RTL passes): Document fwprop.
1667 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1669 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1670 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1671 (grokdeclarator): Likewise.
1673 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1675 * tree-dump.c (dump_enable_all): Rename local variable
1676 ir_type to avoid name conflicts.
1677 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1678 instead of using ir_type().
1679 * profile.c (tree_register_profile_hooks): Likewise.
1680 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1681 * basic-block.h (struct edge_def): Likewise.
1682 * config/arm/arm.c (legitimize_pic_address): Likewise.
1683 * coretypes.h (ir_type): New enum of all intermediate languages
1685 * cfghooks.c (ir_type): Rename to...
1686 (current_ir_type): ...this. Distinguish between cfgrtl and
1687 cfglayout mode when the current IR is RTL. Return enum ir_type.
1688 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1690 2006-11-03 Paul Brook <paul@codesourcery.com>
1692 * config/arm/arm.c (arm_file_start): New function.
1693 (TARGET_ASM_FILE_START): Define.
1694 (arm_default_cpu): New variable.
1695 (arm_override_options): Set arm_default_cpu.
1697 2006-11-03 David Ung <davidu@mips.com>
1699 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1700 PROCESSOR_24KC and PROCESSOR_24KF.
1701 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1702 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1703 (mips_rtx_cost_data): Add costs for the 24kc.
1704 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1705 * config/mips/24k.md: Remove references to 24k and replace with
1706 uses of 24kc/24kf in the appropriate reservations.
1707 * doc/invoke.texi (MIPS Options): Updated.
1709 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1711 * config/sh/crt1.asm: Fix #ifdef indent.
1713 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1714 Merged from STMicroelectronics sources:
1715 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1716 * config/sh/crt1.asm (vbr_600): Add missing #if.
1717 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1718 * sh.opt (mfused-madd): New option.
1719 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1720 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1721 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1722 Remove pointless handler at VBR+0.
1723 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1724 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1725 fr7. Make sure the timer handler is called with the correct FPU
1726 precision setting, according to the ABI.
1727 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1728 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1729 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1730 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1731 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1732 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1733 zero as second operand.
1734 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1735 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1736 Fixed some bugs related to negative values, in particular -0
1737 and overflow at -0x80000000.
1738 * config/sh/divcost-analysis: Added sh4-300 figures.
1739 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1740 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1741 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1742 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1743 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1744 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1746 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1748 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1749 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1750 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1751 mac_mem, mem_mac, dfp_mul, fp_cmp.
1752 (insn_class, dfp_comp, any_fp_comp): Update.
1753 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1754 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1755 (muldf3_i): Likewise.
1756 (movsi_i): Split rI08 alternative into two separate alternatives.
1758 (movsi_ie, movsi_i_lowpart): Likewise.
1759 (movqi_i): Split ri alternative into two separate alternatives.
1761 * sh1.md (sh1_load_store, sh1_fp): Update.
1762 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1763 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1764 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1765 (sh4a_fp_double_arith): Likewise.
1766 * sh4-300.md: New file.
1767 * sh.c (sh_handle_option): Handle m4-300* options.
1768 (sh_adjust_cost): Fix latency of auto-increments.
1769 Handle SH4-300 differently than other SH4s. Check for new insn types.
1770 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1771 been set by an option.
1772 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1773 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1774 (mbranch-cost=): Likewise.
1775 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1777 * sh.md (mulsf3): Remove special expansion code.
1778 (mulsf3_ie): Now a define_insn_and_split.
1779 (macsf3): Allow for TARGET_SH4.
1781 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1782 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1783 (expand_cbranchdi4): Likewise.
1784 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1785 CONST_DOUBLE if the outer code is COMPARE.
1786 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1787 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1788 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1789 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1790 Remove redundant fp_{zero,one}_operand checks.
1791 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1792 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1793 (expand_cbranchdi4): Likewise.
1794 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1795 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1797 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1799 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1802 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1804 * doc/invoke.texi: Fix mfp-trap-mode typo.
1806 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1808 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1809 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1810 file_end_indicate_exec_stack.
1811 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1813 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1814 for a non-executable stack.
1815 * crti.asm: Likewise.
1816 * crtn.asm: Likewise.
1817 * libunwind.S: Likewise.
1819 2006-11-02 Ben Elliston <bje@au.ibm.com>
1821 * tree-ssa.c (warn_uninit): Use expand_location variables for
1822 locus and declaration locus.
1824 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1827 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1828 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1829 cmp{eq,gt,gtu}{si,di}_media.
1830 (*cmpne0si_media): Remove.
1831 (*movsicc_umin): Adjust gen_cmp*_media call.
1832 (unordered): Change the mode of unordered and operands[1] to
1834 (seq): Adjust gen_cmp*_media calls. Make the mode of
1835 a temporary result of compare SImode if needed. If the mode
1836 of operands[0] is DImode, extend the temporary result to DImode.
1837 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1838 (sunorderd): Change the mode of match_operand and unorderd to
1840 (cmpeq{sf,df}_media): Remove.
1841 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1842 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1843 and compare operation to SImode.
1845 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1847 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1849 (sparc64-sun-solaris2*): Likewise.
1851 2006-11-02 Paul Brook <paul@codesourcery.com>
1853 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1854 from priority argument. Use different section for non-default
1856 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1858 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1861 * except.c (switch_to_exception_section): Do not cache the section
1862 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1863 and flag_function_sections is set.
1865 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1868 * builtins.c (do_mpfr_sincos): New.
1869 (fold_builtin_1): Use it to fold builtin sincos.
1871 2006-11-01 Roger Sayle <roger@eyesopen.com>
1873 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1874 it into -D_REENTRANT.
1876 2006-11-01 Roger Sayle <roger@eyesopen.com>
1878 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1879 whether the assembler supports taking the difference of symbols in
1880 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1881 * configure: Regenerate.
1882 * config.in: Regenerate.
1883 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1884 the assembler doesn't support taking the difference of symbols in
1885 different sections, i.e. we're using the native solaris assembler.
1887 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1888 Peter Bergner <bergner@vnet.ibm.com>
1890 * doc/invoke.texi: Add cpu_type power6x
1891 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1892 * config.gcc: Add cpu_type power6x.
1893 * configure.ac: Add test for mf{t,f}gpr instructions.
1894 (HAVE_AS_MFPGPR): New.
1895 * config.in: Regenerate.
1896 * configure: Regenerate.
1897 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1898 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1899 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1900 and mftgpr attributes.
1901 (define_attr "cpu"): Add power6.
1902 Change instruction sequences to use new attributes.
1903 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1904 (fix_truncdfsi2_mfpgpr): New.
1905 (floatsidf_ppc64_mfpgpr): New.
1906 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1907 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1908 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1909 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1910 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1911 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1912 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1913 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1914 cntlz,exts and var_delayed_compare.
1915 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1916 _ARCH_PWR6X, if features enabled.
1917 * config/rs6000/rs6000.opt (mmfpgpr): New.
1918 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1919 (cached_can_issue_more): New variable.
1920 (processor_costs): Add power6_cost.
1921 (rs6000_sched_init): New function.
1922 (is_dispatch_slot_restricted): Deleted.
1923 (set_to_load_agen): New function.
1924 (is_load_insn,is_store_insn): New functions.
1925 (adjacent_mem_locations): New function.
1926 (insn_must_be_first_in_group): New function.
1927 (insn_must_be_last_in_group): New function.
1928 (rs6000_sched_reorder): New function.
1929 (rs6000_sched_reorder2): New function.
1930 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1931 TARGET_SCHED_REORDER2): Define.
1932 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1933 Add power6x. Add MASK_MFPGPR for power6x.
1934 (POWERPC_MASKS): Add MASK_MFPGPR.
1935 (rs6000_override_options): Set rs6000_always_hint to false
1936 for power6. Set rs6000_align_branch_targets. Replace
1937 rs6000_sched_groups check with rs6000_align_branch_targets.
1938 Use PROCESSOR_POWER6.
1939 (last_scheduled_insn): New variable.
1940 (load_store_pendulum): New variable.
1941 (rs6000_variable_issue): Set last_scheduled_insn and
1942 cached_can_issue_more.
1943 (rs6000_adjust_cost): Add power6 cost adjustments.
1944 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1945 with insn_must_be_first_in_group. Add power6 priority adjustments.
1946 (rs6000_issue_rate): Add CPU_POWER6.
1947 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1948 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1949 (TARGET_MFPGPR): New.
1950 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1951 (ASM_CPU_SPEC): Add power6x.
1952 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1954 * config/rs6000/power6.md: New file.
1956 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1958 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1959 HOST_WIDE_INT_PRINT to print high and low parts. Use
1960 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1961 printing a hexadecimal number prefix it with 0x.
1963 2006-11-01 Chris Johns <chris@contemporary.net.au>
1966 * Makefile.in (install-driver): Use exeext when installing
1967 $target-gcc-$version.
1969 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1971 * c-common.c (flag_cpp0x): New.
1972 * c-common.h (flag_cpp0x): New.
1973 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1974 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1975 * c-opts.c (set_std_cxx0x): New.
1976 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1977 * c.opt (std=c++0x): Document.
1978 (std=gnu++0x): Ditto.
1979 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1980 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1982 2006-11-01 Richard Guenther <rguenther@suse.de>
1984 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1986 (ix86_expand_floorceildf_32): Likewise.
1987 (ix86_expand_floorceil): Likewise.
1988 (ix86_expand_trunc): Likewise.
1990 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1992 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1995 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1997 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1999 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2001 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2003 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2004 * configure.ac (use_cxa_atexit): As a special case, don't test
2005 for libc definition of __cxa_atexit on mingw32
2006 * configure: Regenerate.
2007 * config.gcc (i[34567]86-pc-mingw32): Default to
2008 enable__cxa_atexit=yes.
2010 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2012 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2014 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2017 * c-decl.c (start_struct): Don't create self-containing
2019 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2021 * config/rs6000/rs6000-protos.h
2022 (darwin_rs6000_special_round_type_align): New.
2023 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2024 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2026 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2028 * toplev.c (compile_file): Call final_write_globals
2029 even if there have been errors.
2031 2006-10-31 Eric Christopher <echristo@apple.com>
2032 Falk Hueffner <falk@debian.org>
2034 * doc/extend.texi (__builtin_bswap32): Document.
2035 (__builtin_bswap64): Ditto.
2036 * doc/libgcc.texi (bswapsi2): Document.
2038 * doc/rtl.texi (bswap): Document.
2039 * optabs.c (expand_unop): Don't widen a bswap.
2040 (init_optabs): Init bswap. Set libfuncs explicitly
2041 for bswapsi2 and bswapdi2.
2042 * optabs.h (OTI_bswap): New.
2043 (bswap_optab): Ditto.
2044 * genopinit.c (optabs): Handle bswap_optab.
2045 * tree.h (tree_index): Add TI_UINT32_TYPE and
2047 (uint32_type_node): New.
2048 (uint64_type_node): Ditto.
2049 * tree.c (build_common_tree_nodes_2): Initialize
2050 uint32_type_node and uint64_type_node.
2051 * builtins.c (expand_builtin_bswap): New.
2052 (expand_builtin): Call.
2053 (fold_builtin_bswap): New.
2054 (fold_builtin_1): Call.
2055 * fold-const.c (tree_expr_nonnegative_p): Return true
2057 * builtin-types.def (BT_UINT32): New.
2059 (BT_FN_UINT32_UINT32): Ditto.
2060 (BT_FN_UINT64_UINT64): Ditto.
2061 * builtins.def (BUILT_IN_BSWAP32): New.
2062 (BUILT_IN_BSWAP64): Ditto.
2063 * rtl.def (BSWAP): New.
2064 * genattrtab.c (check_attr_value): New.
2065 * libgcc2.c (__bswapSI2): New.
2066 (__bswapDI2): Ditto.
2067 * libgcc2.h (__bswapSI2): Declare.
2068 (__bswapDI2): Ditto.
2069 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2070 * simplify-rtx.c (simplify_const_unary_operation): Return
2072 * libgcc-std.ver (__bwapsi2): Add.
2073 (__bswapdi2): Ditto.
2074 * reload1.c (eliminate_regs_1): Add bswap.
2075 (elimination_effects): Ditto.
2076 * config/i386/i386.h (x86_bswap): New.
2077 (TARGET_BSWAP): Use.
2078 * config/i386/i386.c (x86_bswap): Set.
2080 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2082 * coverage.c (coverage_checksum_string): Update comment.
2083 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2084 of get_file_function_name.
2085 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2086 of get_file_function_name_long.
2087 * tree.c (get_file_function_name): Rename from
2088 get_file_function_name_long; improve comment; handle 'I' and 'D'
2089 specially when the target has ctor/dtor support; remove special
2091 (get_file_function_name): Remove.
2092 * tree.h (get_file_function_name): Rename from
2093 get_file_function_name_long.
2094 (get_file_function_name): Remove prototype.
2096 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2098 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2099 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2101 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2102 Call dsymutil when compiling and linking one or more source files
2105 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2108 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2110 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2112 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2113 inline static functions in c99 mode.
2116 * doc/extend.texi (Inline): Update.
2117 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2118 * c-decl.c (current_extern_inline): Delete.
2119 (pop_scope): Adjust test for an undefined nested function.
2120 Add warning about undeclared inline function.
2121 (diagnose_mismatched_decls): Update comments. Disallow overriding
2122 of inline functions in a translation unit in C99. Allow inline
2123 declarations in C99 at any time.
2124 (merge_decls): Boolize variables. Handle C99 'extern inline'
2126 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2127 C99 inline semantics.
2128 (start_function): Don't clear current_extern_inline. Don't set
2130 (c_push_function_context): Don't push current_extern_inline.
2131 (c_pop_function_context): Don't restore current_extern_inline.
2134 * c-typeck.c (build_external_ref): Warn about static variables
2135 used in extern inline functions.
2136 * c-decl.c (start_decl): Warn about static variables declared
2137 in extern inline functions.
2139 2006-10-31 Roger Sayle <roger@eyesopen.com>
2142 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2143 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2144 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2145 or y is an even integer.
2147 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2150 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2151 * gthr-posix95.h (__gthread_active_p): Likewise.
2153 2006-10-31 Richard Guenther <rguenther@suse.de>
2155 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2156 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2157 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2158 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2159 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2160 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2161 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2162 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2165 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2167 * opts.c (decode_options): Disable CSE skip blocks.
2169 2006-10-30 Dirk Mueller <dmueller@suse.de>
2171 * c-common.h (strict_aliasing_warning): Fix whitespace.
2172 * c-decl (start_function): Move code for main decl warning ..
2173 * c-common.c (check_main_parameter_types): .. here.
2174 * c-common.h (check_main_parameter_types): Declare.
2176 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2179 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2181 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2183 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2184 be a PARALLEL containing sets. Return false when out_pat is not
2187 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2189 * config/mips/mips.md (mul<mode>3): Split into...
2190 (mulsi3, muldi3): ...these separate patterns.
2192 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2194 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2195 but with each set of options separated by spaces.
2197 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2199 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2200 dwarf_reg_size_table has been initialized.
2202 2006-10-30 Roger Sayle <roger@eyesopen.com>
2204 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2205 * ddg.c (print_ddg_edge): Likewise.
2206 * dwarf2out.c (prune_unused_types_walk): Likewise.
2207 * ifcvt.c (noce_try_cmove_arith): Likewise.
2208 * langhooks.c (add_builtin_function): Likewise.
2209 * reg-stack.c (subst_stack_regs_pat): Likewise.
2210 * tree.c (expanded_location): Likewise.
2211 * tree-dump.c (dequeue_and_dump): Likewise.
2213 2006-10-30 David Daney <ddaney@avtrex.com>
2215 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2217 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2219 PR tree-optimization/29637
2220 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2221 of the innertype is the innertype itself.
2223 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2225 * dwarf2out.c (file_name_acquire): Correct typo.
2227 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2229 * tree.h (tree_value_handle): Remove struct value_set declaration.
2230 Change value_set to bitmap_set.
2231 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2232 * tree-vn.c (get_value_handle): Made inline and moved to
2234 * tree-flow-inline.h: (has_stmt_ann): New function.
2235 * tree-ssa-pre.c (expressions): New variable.
2236 (next_expression_id): Ditto.
2237 (alloc_expression_id): New function.
2238 (struct value_set): Remove.
2239 (get_expression_id): New function.
2240 (get_or_alloc_expression_id): Ditto.
2241 (expression_for_id): Ditto.
2242 (clear_expression_ids): Ditto.
2243 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2244 (bb_value_sets): Renamed to bb_bitmap_sets.
2245 All value sets replaced with bitmap_sets.
2247 (BB_VISITED): New macro.
2248 (postorder): New variable.
2249 (add_to_value): Removed.
2250 (value_exists_in_set_bitmap): Ditto.
2251 (value_insert_into_set_bitmap): Ditto.
2254 (set_remove): Ditto.
2255 (set_contains_value): Ditto.
2256 (insert_into_set): Ditto.
2258 (find_leader): Ditto.
2259 (bitmap_set_subtract_from_value_set): Ditto.
2260 (value_insert_into_set): Ditto.
2261 (print_value_set): Ditto.
2262 (debug_value_set): Ditto.
2263 (constant_expr_p): New function.
2264 (bitmap_remove_from_set): Ditto.
2265 (bitmap_insert_into_set): Ditto.
2266 (bitmap_set_free): Ditto.
2267 (vh_compare): Ditto.
2268 (sorted_array_from_bitmap_set): Ditto.
2269 (bitmap_set_subtract): Ditto.
2270 (bitmap_set_equal): Ditto.
2271 (debug_bitmap_set): Ditto.
2272 (find_leader_in_sets): Ditto.
2273 (bitmap_set_replace_value): Modify for bitmapped sets.
2274 (phi_translate): Ditto.
2275 (phi_translate_set): Ditto.
2276 (bitmap_find_leader): Ditto.
2277 (valid_in_sets): Ditto.
2278 (union_contains_value): Ditto.
2280 (compute_antic_aux): Ditto. Mark changed blocks.
2281 (compute_antic): Ditto. Iterate in postorder and only over
2283 (compute_rvuse_and_antic_safe): Reuse postorder.
2284 (create_component_ref_by_pieces): Modify for bitmapped sets.
2285 (find_or_generate_expression): Ditto.
2286 (create_expression_by_pieces): Ditto.
2287 (insert_into_preds_of_block): Ditto.
2288 (changed_blocks): New variable.
2289 (do_regular_insertion): Broken out from insert_aux.
2290 (insert_aux): Modified for bitmapped sets.
2291 (find_existing_value_expr): New function.
2292 (create_value_expr_from): Use it.
2293 (insert_extra_phis): Removed.
2294 (print_bitmap_set): Renamed from bitmap_print_value_set.
2295 (compute_avail): Handle RETURN_EXPR.
2296 (init_pre): Modify for bitmapped sets.
2297 * tree-flow.h (has_stmt_ann): New function.
2299 2006-10-29 Roger Sayle <roger@eyesopen.com>
2301 * builtins.c (fold_builtin_floor): Check for the availability of
2302 the C99 trunc function before transforming floor into trunc.
2304 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2306 * builtins.c (fold_builtin_hypot): Rearrange recursive
2307 transformation before others, and also do ABS_EXPR. When
2308 necessary, check flag_unsafe_math_optimizations. When necessary,
2311 2006-10-29 Roger Sayle <roger@eyesopen.com>
2313 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2314 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2315 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2316 Fold -X eq/ne -Y as X eq/ne Y.
2318 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2320 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2321 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2322 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2323 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2324 Use an inclusive test for "mult" rather than "mul".
2325 (rotr<mode>3): Depend on ISA_HAS_ROR.
2326 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2328 (GENERATE_MULT3_DI): Delete.
2329 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2330 (ISA_HAS_MUL3): New macro.
2331 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2332 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2333 (ISA_HAS_CLZ_CLO): Likewise.
2334 (ISA_HAS_DCLZ_DCLO): Delete.
2335 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2336 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2337 the VR4120 and VR4130.
2338 (ISA_HAS_MACCHI): Use consistent formatting.
2339 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2340 (ISA_HAS_ROR): ...this new macro.
2341 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2342 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2343 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2345 2006-10-29 Roger Sayle <roger@eyesopen.com>
2347 PR tree-optimization/15458
2348 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2351 2006-10-29 Richard Guenther <rguenther@suse.de>
2353 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2354 (ix86_expand_truncdf_32): Likewise.
2355 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2356 trunc inline for SSE math and -fno-trapping-math and if not
2357 optimizing for size.
2358 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2359 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2360 for expanding btrunc inline for SSE math.
2362 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2364 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2365 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2366 i[34567]86-*-solaris2.1[0-9]*.
2367 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2368 Define conditionally depending on TARGET_64BIT_DEFAULT.
2369 (SPEC_32, SPEC_64): Define.
2370 (LINK_SPEC): Use them.
2371 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2373 2006-10-29 Richard Guenther <rguenther@suse.de>
2375 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2376 (ix86_expand_rounddf_32): Likewise.
2377 * config/i386/i386.c (ix86_expand_round): New function expanding
2378 round inline for SSE math and -fno-trapping-math and if not
2379 optimizing for size.
2380 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2381 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2382 round via ix86_expand_round.
2384 2006-10-29 Richard Guenther <rguenther@suse.de>
2386 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2387 (ix86_expand_floorceildf_32): Likewise.
2388 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2389 static helper function.
2390 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2392 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2393 * config/i386/i386.md (floordf2): Adjust to enable floor
2394 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2395 -fno-trapping-math is enabled and if not optimizing for size.
2396 (floorsf2, ceildf2, ceilsf2): Likewise.
2397 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2398 (sse2_maskcmpdf3): Likewise.
2400 2006-10-29 Richard Guenther <rguenther@suse.de>
2402 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2403 rint in case -fno-trapping-math is enabled.
2404 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2405 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2406 (ix86_expand_sse_fabs): Likewise.
2407 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2408 * config/i386/i386.md (rintdf2): Enable for SSE math if
2409 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2410 (rintsf2): Likewise.
2412 2006-10-29 Richard Guenther <rguenther@suse.de>
2414 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2415 to conversion optabs.
2416 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2417 as conversion optab.
2418 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2419 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2420 (lfloor_optab, lceil_optab): Adjust defines.
2421 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2422 lfloor and lceil optabs now being conversion optabs.
2423 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2424 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2425 New static helper function.
2426 (ix86_expand_lfloorceil): New function to expand lfloor and
2428 * config/i386/i386.md (lfloor<mode>2): Split into ...
2429 (lfloorxf<mode>2): ... x87 variant
2430 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2431 using ix86_expand_lfloorceil.
2432 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2434 * doc/md.texi (lfloorMN, lceilMN): Document.
2436 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2438 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2439 -mno-shared assembler option on mips targets.
2440 * configure, config.in: Regenerate.
2441 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2442 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2443 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2445 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2447 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2448 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2450 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2452 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2453 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2456 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2459 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2460 (fold_builtin_pow): Evaluate constant arguments at compile-time
2462 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2463 (do_mpfr_ckconv): New helper function.
2464 (do_mpfr_arg1): Use do_mpfr_ckconv.
2465 (do_mpfr_arg2): New.
2467 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2470 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2471 (-fdump-rtl-sched): Rename to ..
2472 (-fdump-rtl-sched1): here. Also fix file extension number.
2474 2006-10-28 Richard Guenther <rguenther@suse.de>
2476 * fold-const.c (maybe_canonicalize_comparison): Fix code
2479 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2481 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2482 (NON_QI_REG_P): Use IN_RANGE.
2483 (REX_INT_REGNO_P): Use IN_RANGE.
2484 (FP_REGNO_P): Use IN_RANGE.
2485 (SSE_REGNO_P): Use IN_RANGE.
2486 (REX_SSE_REGNO_P): Use IN_RANGE.
2487 (MMX_REGNO_P): Use IN_RANGE.
2488 (STACK_REGNO_P): New macro.
2489 (STACK_REG_P): Use STACK_REGNO_P.
2490 (NON_STACK_REG_P): Use STACK_REGNO_P.
2491 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2492 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2493 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2494 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2495 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2497 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2499 * except.h (output_function_exception_table): Add 'const char*' param.
2500 * except.c (switch_to_exception_section): Add 'const char*' param.
2501 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2502 and flag_function_sections is set, use a function-specific section.
2503 (output_function_exception_table): Add 'const char*' param.
2504 Adjust call to switch_to_exception_section.
2505 * final.c (rest_of_handle_final): Adjust calls to
2506 output_function_exception_table.
2507 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2508 * config.in: Regenerate.
2509 * configure: Likewise.
2511 2006-10-28 Richard Guenther <rguenther@suse.de>
2514 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2515 for maybe_canonicalize_comparison.
2516 (maybe_canonicalize_comparison): New function for canonicalizing
2518 (fold_comparison): Call it to canonicalize comparisons with
2521 2006-10-28 Richard Guenther <rguenther@suse.de>
2524 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2525 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2526 (expand_builtin): Adjust likewise.
2527 * genopinit.c (optabs[]): Add lround optab.
2528 * optabs.c (init_optabs): Initialize lround_optab.
2529 * optabs.h (enum convert_optab_index): Add COI_lround.
2530 (lround_optab): Define.
2531 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2532 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2534 (ix86_expand_lround): New function.
2535 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2537 * doc/md.texi (lroundMN2): Document.
2539 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2542 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2543 argument to HOST_WIDE_INT. Update function prototype.
2544 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2545 "size" argument to HOST_WIDE_INT. Update function prototype.
2547 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2549 * config/i386/i386.c (output_387_ffreep): Create output from a
2550 template string for !HAVE_AS_IX86_FFREEP.
2552 2006-10-27 Eric Christopher <echristo@apple.com>
2554 * config/darwin.c: Fix formatting and grammar.
2556 2006-10-27 Jan Hubicka <jh@suse.cz>
2558 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2559 to be thrown away soon when IGNORE is set.
2560 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2561 indicating when return value shall not be computed.
2562 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2564 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2566 * config/i386/i386.h (TARGET_GEODE):
2567 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2568 (TARGET_CPU_DEFAULT_geode): New macro.
2569 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2570 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2571 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2572 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2573 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2575 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2576 (processor_type): Add PROCESSOR_GEODE.
2578 * config/i386/i386.md: Include geode.md.
2581 * config/i386/i386.c (geode_cost): New initialized global
2583 (m_GEODE, m_K6_GEODE): New macros.
2584 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2585 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2586 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2587 x86_schedule): Use m_K6_GEODE instead of m_K6.
2588 (x86_movx, x86_cmove): Set up m_GEODE.
2589 (x86_integer_DFmode_moves): Clear m_GEODE.
2590 (processor_target_table): Add entry for geode.
2591 (processor_alias_table): Ditto.
2593 * config/i386/geode.md: New file.
2595 * doc/invoke.texi: Add entry about geode processor.
2597 2006-10-27 Mike Stump <mrs@apple.com>
2599 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2600 __DYNAMIC__ from here back to ...
2601 * config/darwin.h (CPP_SPEC): ... here.
2603 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2604 Nathan Sidwell <nathan@codesourcery.com>
2606 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2607 when choosing the minimum heapsize.
2609 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2611 * gcc/unwind-dw2.h: Move cfa-related variables into
2612 struct frame_state_reg_info to ensure that the CFA is properly
2613 handled when executing DW_CFA_{remember,restore}_state.
2614 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2615 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2616 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2617 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2618 gcc/config/rs6000/linux-unwind.h,
2619 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2620 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2621 Modify to use new cfa_* fields.
2623 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2625 * config/s390/s390.c (s390_init_frame_layout): Check positive
2628 2006-10-26 Ben Elliston <bje@au.ibm.com>
2630 * gimplify.c (get_name): Remove extraneous break.
2631 (gimplify_omp_for): Initialise ret with GS_OK.
2633 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2635 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2636 Add unix98.o to link line.
2638 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2641 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2642 Calculate compile-time constants using MPFR.
2643 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2644 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2646 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2648 * config/xtensa/lib2funcs.S: Use C-style comments.
2650 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2652 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2653 (file_table_relative_p): Likewise.
2654 (dwarf2out_finish): Likewise.
2655 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2657 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2659 * tree-ssa-structalias.c (intra_create_variable_infos):
2660 Don't recreate nonlocal_all if it already exists.
2662 2006-10-25 Richard Guenther <rguenther@suse.de>
2665 * optabs.h (enum optab_index): Remove OTI_lrint.
2666 (enum convert_optab_index): Add COI_lrint.
2667 (lrint_optab): Adjust.
2668 (expand_sfix_optab): Declare.
2669 * optabs.c (expand_sfix_optab): New function.
2670 (init_optabs): Init lrint_optab as conversion optab.
2671 * genopinit.c (lrint_optab): Change to a conversion optab.
2672 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2673 expansion via conversion optab.
2674 * config/i386/i386.md (*fistdi2_1): Remove
2675 flag_unsafe_math_optimizations guard.
2676 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2677 fist<mode>2_with_temp): Likewise.
2678 (lrint<mode>2): Split into...
2679 (lrintxf<mode>2): ... x87 part
2680 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2681 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2682 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2683 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2684 * doc/md.texi (lrintMN2): Document.
2686 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2689 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2690 Use inc and dec instructions for TARGET_USE_INCDEC.
2691 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2692 ("sync_double_compare_and_swap<mode>"): Likewise.
2693 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2694 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2695 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2696 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2697 ("sync_old_add<mode>"): Likewise.
2698 ("sync_lock_test_and_set<mode>"): Likewise.
2699 ("sync_lock_test_and_set<mode>"): Likewise.
2700 ("sync_add<mode>"): Likewise.
2701 ("sync_sub<mode>"): Likewise.
2702 ("sync_ior<mode>"): Likewise.
2703 ("sync_and<mode>"): Likewise.
2704 ("sync_xor<mode>"): Likewise.
2706 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2708 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2709 (remainder_optab): Define corresponding macro.
2710 (drem_optab): Remove.
2711 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2712 drem_optab initialization.
2713 * genopinit.c (optabs): Implement remainder_optab using
2714 remainder?f3 patterns. Remove drem_optab.
2715 * builtins.c (expand_builtin_mathfn_2): Handle
2716 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2717 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2718 expand_builtin_mathfn_2.
2720 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2721 depend on flag_unsafe_math_optimizations.
2723 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2724 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2725 Do not depend on flag_unsafe_math_optimizations. Use
2726 truncxf?f expander instead of truncxf?f_i387_noop.
2728 ("fpremxf4", "fprem1xf4"): Do not depend on
2729 flag_unsafe_math_optimizations.
2730 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2731 flag_unsafe_math_optimizations. Use truncxf?f expander
2732 instead of truncxf?f_i387_noop.
2734 * doc/md.texi (fmod, remainder): Document standard named pattern.
2736 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2737 David Daney <ddaney@avtrex.com>
2740 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2742 2006-10-25 Ben Elliston <bje@au.ibm.com>
2744 * doc/extend.texi (Variable Attributes): Typo fix.
2746 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2748 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2749 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2750 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2751 (FRAME_POINTER_REGNUM): Update register number to 21.
2752 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2753 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2755 * config/i386/i386.c (regclass_map): Add fpcr entry.
2756 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2758 (print_reg): Assert REGNO (x) != FPCR_REG.
2760 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2761 (DIRFLAG_REG): Renumber.
2762 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2763 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2764 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2765 hardcoded SSE register numbers.
2767 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2768 hardcoded MMX register numbers.
2770 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2773 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2774 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2776 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2777 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2778 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2779 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2781 2006-10-24 Richard Guenther <rguenther@suse.de>
2784 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2785 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2786 for deciding optimizations in consistency with fold-const.c
2787 (fold_builtin_unordered_cmp): Likewise.
2789 2006-10-24 Richard Guenther <rguenther@suse.de>
2791 * builtins.c (fold_builtin_floor): Fold floor (x) where
2792 x is nonnegative to trunc (x).
2793 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2794 nonnegative to FIX_TRUNC_EXPR.
2796 2006-10-24 Richard Guenther <rguenther@suse.de>
2798 PR tree-optimization/29567
2799 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2800 for TRUTH_NOT_EXPR. Clarify comments.
2802 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2805 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2806 at compile-time using MPFR. Change parameter VALUE to FUNC,
2808 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2809 for overflow and underflow at all times and avoid folding in
2812 2006-10-24 Ben Elliston <bje@au.ibm.com>
2814 * reload1.c: Formatting fixes.
2816 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2818 PR tree-optimization/14784
2819 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2820 * tree-ssa-structalias.c (get_constraint_for,
2821 intra_create_variable_infos): Set is_heapvar.
2822 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2823 non-heapvar pointer variables specially.
2825 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2828 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2829 fold_builtin_tan): Fold all constant arguments. Take a "type"
2830 argument as necessary.
2831 (do_mpfr_arg1): New.
2832 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2834 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2836 * config/xtensa/lib1funcs.asm: Use C-style comments.
2838 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2840 * tree.c (local_define_builtin): Replace calls to
2841 lang_hooks.builtin_function with add_builtin_function.
2842 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2844 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2846 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2847 common code to add_builtin_function.
2848 * langhooks.c (add_builtin_function): New function.
2849 (lhd_builtin_function): New function.
2850 * langhooks.h (struct lang_hooks): Change the signature of
2852 (add_builtin_function): New function.
2853 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2854 calls to lang_hooks.builtin_function with add_builtin_function.
2855 * c-common.c (decl_builtin_1): Replace calls to
2856 lang_hooks.builtin_function with add_builtin_function.
2857 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2858 lang_hooks.builtin_function with add_builtin_function.
2859 * config/frv/frv.c (def_builtin): Replace calls to
2860 lang_hooks.builtin_function with add_builtin_function.
2861 * config/s390/s390.c (s390_init_builtins): Replace calls to
2862 lang_hooks.builtin_function with add_builtin_function.
2863 * config/sparc/sparc.c (def_builtin): Replace calls to
2864 lang_hooks.builtin_function with add_builtin_function.
2865 * config/i386/i386.c (def_builtin): Replace calls to
2866 lang_hooks.builtin_function with add_builtin_function.
2867 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2868 lang_hooks.builtin_function with add_builtin_function.
2869 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2870 lang_hooks.builtin_function with add_builtin_function.
2871 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2872 Replace calls to lang_hooks.builtin_function with
2873 add_builtin_function.
2874 * config/iq2000/iq2000.c (def_builtin):
2875 Replace calls to lang_hooks.builtin_function with
2876 add_builtin_function.
2877 * config/ia64/ia64.c (def_builtin): Replace calls to
2878 lang_hooks.builtin_function with add_builtin_function.
2879 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2880 lang_hooks.builtin_function with add_builtin_function.
2881 (altivec_init_builtins): Replace calls to
2882 lang_hooks.builtin_function with add_builtin_function.
2883 * config/arm/arm.c (def_mbuiltin): Replace calls to
2884 lang_hooks.builtin_function with add_builtin_function.
2885 (arm_init_tls_builtins): Replace calls to
2886 lang_hooks.builtin_function with add_builtin_function.
2887 * config/mips/mips.c (mips_init_builtins): Replace calls to
2888 lang_hooks.builtin_function with add_builtin_function.
2889 * config/bfin/bfin.c (def_builtin): Replace calls to
2890 lang_hooks.builtin_function with add_builtin_function.
2891 * langhooks-def.h (lhd_builtin_function): New function.
2892 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2894 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2896 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2897 BUILT_IN_STRNCAT_CHK.
2899 2006-10-23 Jan Hubicka <jh@suse.cz>
2901 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2902 don't do conversion from memmove to memcpy here.
2903 (expand_builtin_bcopy, expand_builtin): Update call of
2904 expand_builtin_memmove.
2905 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2907 2006-10-23 Paul Brook <paul@codesourcery.com>
2909 * stor-layout.c (start_record_layout): maximum_field_alignment
2910 overrides STRUCTURE_SIZE_BOUNDARY.
2912 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2914 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2915 nonlocal function symbols if flag_pic.
2917 2006-10-23 Richard Guenther <rguenther@suse.de>
2921 * builtins.c (fold_binary): Remove checks for flag_wrapv
2922 and flag_trapv where negate_expr_p covers these cases.
2924 2006-10-23 Richard Guenther <rguenther@suse.de>
2927 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2928 of two on the absolute value.
2929 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2930 and negating -C does not overflow.
2932 2006-10-23 Richard Guenther <rguenther@suse.de>
2935 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2936 only if not flag_rounding_math.
2938 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2939 Kaz Kojima <kkojima@gcc.gnu.org>
2942 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2943 SImode memory reference for the source of a movua.
2944 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2945 (movua): Use an unspec instead of sign_extract. Expect the source
2946 to have mode BLKmode.
2947 (extv, insv): Use a BLKmode rather than SImode memory reference
2948 for the source of a movua.
2950 2006-10-22 Jeff Law <law@redhat.com>
2951 Richard Guenther <rguenther@suse.de>
2953 PR tree-optimization/15911
2954 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2955 (register_edge_assert_for_1): Likewise.
2956 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2957 (find_conditional_asserts): Adjust for new function signature.
2958 (find_assert_locations): Likewise.
2960 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2962 * config/i386/tmmintrin.h: Remove the duplicated content.
2964 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2966 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2967 (x86_64-*-*): Likewise.
2969 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2970 (override_options): Check SSSE3.
2971 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2972 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2973 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2974 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2975 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2976 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2977 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2978 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2979 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2980 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2981 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2982 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2983 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2984 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2985 IX86_BUILTIN_PABSD128.
2986 (bdesc_2arg): Add SSSE3.
2987 (bdesc_1arg): Likewise.
2988 (ix86_init_mmx_sse_builtins): Support SSSE3.
2989 (ix86_expand_builtin): Likewise.
2990 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2992 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2993 (UNSPEC_PSIGN): Likewise.
2994 (UNSPEC_PALIGNR): Likewise.
2995 Include mmx.md before sse.md.
2997 * config/i386/i386.opt: Add -mssse3.
2999 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3000 (ssse3_phaddwv4hi3): Likewise.
3001 (ssse3_phadddv4si3): Likewise.
3002 (ssse3_phadddv2si3): Likewise.
3003 (ssse3_phaddswv8hi3): Likewise.
3004 (ssse3_phaddswv4hi3): Likewise.
3005 (ssse3_phsubwv8hi3): Likewise.
3006 (ssse3_phsubwv4hi3): Likewise.
3007 (ssse3_phsubdv4si3): Likewise.
3008 (ssse3_phsubdv2si3): Likewise.
3009 (ssse3_phsubswv8hi3): Likewise.
3010 (ssse3_phsubswv4hi3): Likewise.
3011 (ssse3_pmaddubswv8hi3): Likewise.
3012 (ssse3_pmaddubswv4hi3): Likewise.
3013 (ssse3_pmulhrswv8hi3): Likewise.
3014 (ssse3_pmulhrswv4hi3): Likewise.
3015 (ssse3_pshufbv16qi3): Likewise.
3016 (ssse3_pshufbv8qi3): Likewise.
3017 (ssse3_psign<mode>3): Likewise.
3018 (ssse3_psign<mode>3): Likewise.
3019 (ssse3_palignrti): Likewise.
3020 (ssse3_palignrdi): Likewise.
3021 (abs<mode>2): Likewise.
3022 (abs<mode>2): Likewise.
3024 * config/i386/tmmintrin.h: New file.
3026 * doc/extend.texi: Document SSSE3 built-in functions.
3028 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3030 2006-10-22 Ira Rosen <irar@il.ibm.com>
3032 * tree-vect-transform.c (vectorizable_load): Use the type of the
3033 return value of the mask_for_load builtin to create realign_load
3036 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3038 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3041 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3043 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3044 (UNSPEC_LDDQU): This.
3045 * config/i386/sse.md (sse3_lddqu): Updated.
3047 2006-10-21 Richard Guenther <rguenther@suse.de>
3049 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3050 (expand_builtin): Use it to expand lrint instead of
3051 expand_builtin_mathfn.
3053 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3056 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3057 flag_unsafe_math_optimizations is set.
3059 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3062 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3063 patterns to use memory input operand in x87->mem->XMM
3064 reload sequences. Skip transformation for TARGET_K8.
3066 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3068 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3069 force operand1 to register if both operands are memory operands.
3070 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3071 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3072 if both operands are memory operands.
3073 (truncdfsf2): Do not force operand1 to register if both operands
3074 are memory operands.
3076 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3078 * Makefile.in (LIBS): Add $(GMPLIBS).
3079 * doc/install.texi: Update GMP and MPFR requirements.
3080 * doc/sourcebuild.texi (need_gmp): Delete.
3082 2006-10-21 Richard Guenther <rguenther@suse.de>
3084 PR tree-optimization/3511
3085 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3086 got new invariant arguments during PHI translation.
3088 2006-10-21 Richard Guenther <rguenther@suse.de>
3091 * fold-const.c (fold_comparison): Fold signed comparisons
3092 of the form X +- C1 CMP Y +- C2.
3094 2006-10-21 Richard Guenther <rguenther@suse.de>
3097 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3098 if flag_unsafe_math_optimizations is specified. We have
3099 flag_finite_math_only for that.
3100 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3101 or flag_unsafe_math_optimizations.
3103 2006-10-21 Richard Guenther <rguenther@suse.de>
3105 * builtins.c (fold_builtin_classify): Fix typo.
3107 2006-10-21 Richard Guenther <rguenther@suse.de>
3110 * simplify-rtx.c (simplify_const_relational_operation):
3111 Do not constant-fold ORDERED and UNORDERED for
3112 flag_unsafe_math_optimizations but only we do not need to
3113 honor NaNs for the given mode.
3115 2006-10-21 Richard Guenther <rguenther@suse.de>
3118 * config/i386/i386.c (classify_argument): Remove redundant
3119 walking of the BINFOs.
3120 (contains_128bit_aligned_vector_p): Likewise.
3122 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3124 * BASE-VER: Set to 4.3.0.
3126 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3128 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3129 (tree_decl_with_vis): Remove artificial_pta_var flag.
3130 * tree-flow.h (referenced_var_check_and_insert): Expose.
3131 (nonlocal_all): New prototype.
3132 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3133 (nonlocal_all): Make global.
3134 (nonlocal_lookup): Remove.
3135 (nonlocal_insert): Ditto.
3136 (create_nonlocal_var): Do not call nonlocal_insert.
3137 (get_nonlocal_id_for_type): Remove.
3138 (find_global_initializers): Mark new vars we find for renaming.
3139 (intra_create_variable_infos): Only create one nonlocal.
3140 (expand_nonlocal_solutions): Remove.
3141 (compute_points_to_sets): Don't call it.
3142 (ipa_pta_execute): Ditto.
3143 (init_alias_heapvars): Don't create nonlocal_for_type.
3144 (delete_alias_heapvars): Don't remove it.
3145 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3148 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3150 * doc/install.texi (Downloading GCC): Clarify mention of
3151 Fortran in the "full distribution" description.
3153 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3155 Fix PR tree-optimization/28778
3156 Fix PR tree-optimization/29156
3157 Fix PR tree-optimization/29415
3158 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3159 (tree_decl_with_vis): Add artificial_pta_var flag.
3160 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3161 pushed into callers.
3162 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3163 (nonlocal_all): Ditto.
3164 (struct variable_info): Add directly_dereferenced member.
3165 (var_escaped_vars): New variable.
3166 (escaped_vars_tree): Ditto.
3167 (escaped_vars_id): Ditto.
3168 (nonlocal_vars_id): Ditto.
3169 (new_var_info): Set directly_dereferenced.
3170 (graph_size): New variable
3171 (build_constraint_graph): Use graph_size.
3172 (solve_graph): Don't process constraints that cannot change the
3173 solution, don't try to propagate an empty solution to our
3175 (process_constraint): Set directly_dereferenced.
3176 (could_have_pointers): New function.
3177 (get_constraint_for_component_ref): Don't process STRING_CST.
3178 (nonlocal_lookup): New function.
3179 (nonlocal_insert): Ditto.
3180 (create_nonlocal_var): Ditto.
3181 (get_nonlocal_id_for_type): Ditto.
3182 (get_constraint_for): Allow results vector to be empty in the case
3183 of string constants.
3184 Handle results of calls properly.
3185 (update_alias_info): Update alias info stats on number and type of
3187 (find_func_aliases): Use could_have_pointers.
3188 (make_constraint_from_escaped): Renamed from
3189 make_constraint_to_anything, and changed to make constraints from
3191 (make_constraint_to_escaped): New function.
3192 (find_global_initializers): Ditto.
3193 (create_variable_info_for): Make constraint from escaped to any
3194 global variable, and from any global variable to the set of
3196 (intra_create_variable_infos): Deal with escaped instead of
3197 pointing to anything.
3198 (set_uids_in_ptset): Do type pruning on directly dereferenced
3200 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3201 (init_base_vars): Fix comment, and initialize escaped_vars.
3202 (need_to_solve): Removed.
3203 (find_escape_constraints): New function.
3204 (expand_nonlocal_solutions): Ditto.
3205 (compute_points_to_sets): Call find_escape_constraints and
3206 expand_nonlocal_solutions.
3207 (delete_points_to_sets): Don't fall off the end of the graph.
3208 (init_alias_heapvars): Initialize nonlocal_for_type and
3210 (delete_alias_heapvars): Free nonlocal_for_type and null out
3213 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3215 * fold-const.c (add_double): Rename to add_double_with_sign.
3216 Add 'unsigned_p' parameter and take it into account for the overflow.
3217 (mul_double): Rename to mul_double_with_sign.
3218 Add 'unsigned_p' parameter and take it into account for the overflow.
3219 (fold_div_compare): Call add_double_with_sign instead of add_double
3220 and mul_double_with_sign instead of mul_double, passing them the
3221 unsignedness of the type.
3222 * tree.h (add_double): Macroize.
3223 (add_double_with_sign): New prototype.
3224 (mul_double): Macroize.
3225 (mul_double_with_sign): New prototype.
3227 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3229 * config/score/crti.asm: New file.
3230 * config/score/crtn.asm: New file.
3231 * config/score/elf.h: New file.
3232 * config/score/mac.md: New file.
3233 * config/score/misc.md: New file.
3234 * config/score/mul-div.S: New file.
3235 * config/score/predicates.md: New file.
3236 * config/score/score7.md: New file.
3237 * config/score/score.c: New file.
3238 * config/score/score-conv.h: New file.
3239 * config/score/score.h: New file.
3240 * config/score/score.md: New file.
3241 * config/score/score-mdaux.c: New file.
3242 * config/score/score-mdaux.h: New file.
3243 * config/score/score-modes.def: New file.
3244 * config/score/score.opt: New file.
3245 * config/score/score-protos.h: New file.
3246 * config/score/score-version.h: New file.
3247 * config/score/t-score-elf: New file.
3248 * config.gcc: Add score*-*-* configurations(Update before).
3249 * doc/invoke.texi (Score Options): New section.
3250 * doc/md.texi (Score family): New section to document constraints.
3252 2006-10-19 Nick Clifton <nickc@redhat.com>
3254 * config/arm/arm.c: Fix spelling typo.
3256 2006-10-18 Tom Tromey <tromey@redhat.com>
3258 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3260 2006-10-18 Jan Hubicka <jh@suse.cz>
3263 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3266 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3268 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3269 TSI_SAME_STMT, since that's the desired entity.
3271 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3273 * config/s390/contraints.md: New file.
3274 * config/s390/s390-protos.h (s390_mem_constraint,
3275 s390_O_constraint_str, s390_N_constraint_str,
3276 s390_float_const_zero_p): Function prototypes added.
3277 * config/s390/s390.c (s390_extra_constraint_str,
3278 s390_const_double_ok_for_constraint_p,
3279 s390_const_ok_for_constraint_p): Functions removed.
3280 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3281 s390_float_const_zero_p): New functions.
3282 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3283 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3284 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3285 Macro definitions removed.
3286 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3287 s390_extra_constraint_str): Functions removed.
3289 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3290 Richard Sandiford <richard@codesourcery.com>
3293 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3294 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3296 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3298 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3299 (DWARF2_FRAME_REG_OUT): Likewise.
3300 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3301 (DWARF2_FRAME_REG_OUT): Likewise.
3303 2006-10-17 Paul Brook <paul@codesourcery.com>
3305 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3307 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3309 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3310 Standardize on "GNU Fortran" as the official name of the Fortran
3313 2006-10-16 Mike Stump <mrs@apple.com>
3315 * doc/invoke.texi (Darwin Options): Document -mkernel.
3316 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3318 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3319 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3320 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3321 (OS_MISSING_ALTIVEC): Add.
3322 * config/i386/i386.c (override_options): Add
3323 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3324 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3325 -mkernel, -static or -mdynamic-no-pic is given.
3326 (C_COMMON_OVERRIDE_OPTIONS): Add.
3327 * config/darwin.opt (fapple-kext): Add.
3329 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3330 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3332 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3333 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3334 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3335 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3336 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3337 (flag_mkernel): Add.
3338 (flag_apple_kext): Add.
3339 (TARGET_KEXTABI): Add.
3340 * config/darwin.c (darwin_handle_kext_attribute): Add.
3341 (DARWIN_VTABLE_P): Add.
3342 (darwin_binds_local_p): Add partial support for rebinding vtables
3344 (darwin_kextabi_p): Add.
3345 (darwin_override_options): Add.
3346 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3347 (darwin_kextabi_p): Add.
3348 (darwin_override_options): Add.
3349 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3350 __DYNAMIC__ and __STATIC__ here.
3352 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3354 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3355 Added mention of "make pdf" target, and Texinfo requirements for
3358 2006-10-16 DJ Delorie <dj@redhat.com>
3360 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3361 into the GOT in case we need a subreg of the address.
3363 2006-10-16 Richard Guenther <rguenther@suse.de>
3366 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3367 SSE builtin documentation. Document SSE2 builtins.
3369 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3371 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3372 symbol in the output file for non-shared links when -nostdlib or
3373 -nodefaultlibs isn't specified.
3375 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3376 posix thread support.
3378 2006-10-15 Jan Hubicka <jh@suse.cz>
3381 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3382 declared always_inline even when not inlining.
3384 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3385 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3386 Andrew Pinski <pinskia@gmail.com>
3389 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3391 2006-10-15 Jan Hubicka <jh@suse.cz>
3392 Richard Guenther <rguenther@suse.de>
3395 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3396 process_function_and_variable_attributes on all variables, including
3397 those discovered during cgraph construction phase.
3399 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3401 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3403 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3405 * config/i386/athlon.md (athlon_fist): Add fisttp.
3407 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3408 Ian Lance Taylor <ian@airs.com>
3411 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3412 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3415 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3417 * config/score/score.c, config/score/score.h: Fix comment
3420 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3423 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3426 2006-10-13 Eric Christopher <echristo@apple.com>
3428 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3430 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3433 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3434 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3435 alignment supported by 32-bit ELF.
3437 2006-10-13 Eric Christopher <echristo@apple.com>
3439 * config/darwin.c (darwin_emit_unwind_label): Strip
3440 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3442 2006-10-13 Richard Guenther <rguenther@suse.de>
3444 PR tree-optimization/29446
3445 * tree-vrp.c (fix_equivalence_set): Remove.
3446 (extract_range_from_assert): Do not call fix_equivalence_set.
3447 (debug_value_range): Print a newline.
3448 (compare_name_with_value): For equivalence sets with
3449 inconsistent value ranges conservatively bail out.
3450 (compare_names): Likewise.
3452 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3454 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3455 and MPFR for gfortran.
3457 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3459 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3460 alignment supported by 32-bit ELF.
3462 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3466 * c-typeck.c (digest_init): Always allow initializing vectors
3467 that have static storage duration with compound literals.
3468 * tree.c (build_type_attribute_qual_variant): New, based on
3469 build_type_attribute_variant.
3470 (build_type_attribute_variant): Rewrite using the former.
3471 (make_vector_type): Use build_type_attribute_qual_variant to build
3472 type variants. Use type_hash_canon on the others.
3474 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3475 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3477 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3479 2006-10-12 Jan Hubicka <jh@suse.cz>
3482 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3483 current_function_decl is set but current_function_scope is not.
3485 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3487 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3488 emit_insn to emit eh_return_internal instruction.
3489 (eh_return_internal): Explicitly set pc.
3491 2006-10-11 Richard Guenther <rguenther@suse.de>
3493 PR tree-optimization/28230
3494 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3495 to the correct place.
3497 2006-10-11 Richard Guenther <rguenther@suse.de>
3500 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3503 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3505 * configure.ac: Added pdf to "Make-hooks"
3506 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3507 targets and *.pdf file patterns in cleanup targets.
3508 * configure: Regenerated.
3510 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3512 * config/avr/predicates.md: New file.
3513 * config/avr/avr.md: Include it.
3514 (REG_SP): New constant.
3515 (peepholes): Use predicates.
3516 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3517 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3518 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3520 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3522 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3525 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3528 * builtins.c (var_decl_component_p): New function.
3529 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3530 single entry optimization to variables and components thereof.
3532 2006-10-10 Richard Guenther <rguenther@suse.de>
3534 PR rtl-optimization/29323
3535 * except.c (set_nothrow_function_flags): For functions
3536 that do not bind local bail out early.
3538 2006-10-10 Ben Elliston <bje@au.ibm.com>
3540 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3543 2006-10-09 Richard Henderson <rth@redhat.com>
3545 Revert emutls patch.
3547 2006-10-09 Richard Guenther <rguenther@suse.de>
3550 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3553 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3556 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3557 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3558 * configure: Regenerate.
3559 * config.in: Regenerate.
3561 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3563 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3565 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3567 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3568 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3569 Remove stray newline.
3571 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3573 * config/mips/mips.c (mips_classify_symbol): Do not return
3574 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3575 (mips_in_small_data_p): Tweak comments.
3577 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3579 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3581 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3583 * gimplify.c, sched-int.h: Fix comment typos.
3585 * sched-int.h: Fix comment typos.
3587 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3589 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3591 * sched-ebb.c (begin_schedule_ready): Use them.
3592 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3593 add_to_speculative_block, create_check_block_twin, speculate_insn,
3594 fix_jump_move, move_block_after_check): Ditto.
3595 * sched-rgn.c (new_ready): Ditto.
3597 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3599 PR rtl-optimization/29128
3600 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3601 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3602 allow interblock movement of speculation checks.
3604 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3607 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3608 casted to integer type.
3609 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3610 if they are significantly more expensive than [reg + index] ones.
3612 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3614 PR tree-optimization/29330
3615 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3616 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3617 on newly allocated ddrs.
3618 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3619 to VEC (loop_p, heap) pointer.
3620 (compute_data_dependences_for_loop): Adjust caller.
3621 (free_dependence_relations): Free DDR_LOOP_NEST.
3623 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3624 free DEPENDENCE_RELATIONS and DATAREFS.
3627 * builtins.c (expand_builtin_sync_operation,
3628 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3629 Use convert_to_mode to handle promoted arguments.
3631 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3633 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3635 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3637 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3639 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3641 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3642 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3643 Use <modeconstraint> instead of "r" as operand 1 constraint.
3645 2006-10-06 Olivier Hainque <hainque@adacore.com>
3647 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3648 Don't recurse on the pointed-to type.
3649 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3650 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3651 types with components of variable size.
3653 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3655 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3657 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3659 PR tree-optimization/29290
3660 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3664 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3665 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3668 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3669 the number of vector elements fill the rest with zeros.
3671 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3673 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3674 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3677 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3679 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3680 unnamed pattern into subsi3. Use correct constraints/predicates.
3681 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3682 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3684 2006-10-05 Ira Rosen <irar@il.ibm.com>
3686 * doc/loop.texi: Add data references analysis description.
3688 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3690 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3692 2006-10-04 Richard Henderson <rth@redhat.com>
3693 Jakub Jelinek <jakub@redhat.com>
3695 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3696 * builtin-types.def (BT_WORD): Make unsigned.
3697 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3698 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3699 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3700 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3701 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3702 * cgraph.c (decide_is_variable_needed): Look at force_output.
3703 Recurse for emulated tls.
3704 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3705 checks redundant with decide_is_variable_needed.
3706 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3707 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3709 * expr.c (emutls_var_address): New.
3710 (expand_expr_real_1): Expand emulated tls.
3711 (expand_expr_addr_expr_1): Likewise.
3712 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3713 * output.h (emutls_finish): Declare.
3714 * toplev.c (compile_file): Call it.
3715 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3716 address before wrapping in CONST.
3717 * varasm.c (emutls_htab, emutls_object_type): New.
3718 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3719 (get_emutls_object_name, get_emutls_object_type): New.
3720 (get_emutls_init_templ_addr, emutls_decl): New.
3721 (emutls_common_1, emutls_finish): New.
3722 (assemble_variable): When emulating tls, swap decls; generate
3723 constructor for the emutls objects.
3724 (do_assemble_alias): When emulating tls, swap decl and target name.
3725 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3727 * emutls.c: New file.
3728 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3729 tls_object for real tls.
3731 2006-10-04 Zack Weinberg <zackw@panix.com>
3733 Fix bug in constraint-check generator, reported by Rask Ingemann
3735 * genpreds.c (add_constraint): Don't remove anything from the
3737 (write_tm_constrs_h): Detect whether "op" argument is used, and
3738 mark it ARG_UNUSED if it isn't.
3739 (write_insn_const_int_ok_for_constraint): Skip the part of the
3740 expression that would test whether "op" (which is not available
3741 here) is a CONST_INT.
3743 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3746 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3748 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3750 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3751 current Leopard versions.
3752 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3754 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3756 * doc/install.texi: Fix typos.
3758 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3760 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3761 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3762 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3764 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3766 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3767 arg to be struct mach_header_64* instead.
3769 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3772 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3773 side effects after the outer expression's post side effects.
3775 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3777 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3778 comments to reflect actual behavior and relationship between
3779 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3781 * doc/c-tree.texi (Working with declarations): Fix documentation
3782 of FIELD_DECL likewise.
3784 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3787 * doc/extend.texi: Add used variable attribute description.
3789 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3792 * c.opt (Woverride-init): New.
3793 * c-opts.c (c_common_post_options): Default warn_override_init to
3795 * c-typeck.c (add_pending_init, output_init_element): Warn for
3796 overriding initializers without side effects.
3797 * doc/invoke.texi (-Woverride-init): Document.
3800 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3802 PR rtl-optimization/28096
3803 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3804 assignment has already been used as a destination earlier in the block.
3806 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3808 * builtins.c (expand_builtin_setjmp): Delete.
3809 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3810 <BUILT_IN_SETJMP_SETUP>: New case.
3811 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3812 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3813 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3814 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3815 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3816 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3817 (lower_function_body): Initialize it to false. If it is set to true
3818 at the end of the processing, emit the setjmp dispatcher.
3819 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3820 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3821 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3822 on the rhs of the assignment.
3823 (lower_builtin_setjmp): New function.
3824 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3825 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3826 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3827 to detect calls that can go to non-local labels. Use specific
3828 helper to create the abnormal edges associated with them.
3829 <MODIFY_EXPR>: Likewise.
3830 (make_abnormal_goto_edges): New function extracted from...
3831 (make_goto_expr_edges): ...here. Call it for computed gotos.
3832 (simple_goto_p): Minor tweak.
3833 (tree_can_make_abnormal_goto): New predicate.
3834 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3835 (tree_purge_dead_abnormal_call_edges): New function.
3836 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3837 (tree_purge_dead_abnormal_call_edges): Likewise.
3838 (make_abnormal_goto_edges): Likewise.
3839 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3840 Purge all dead abnormal edges if the call was in the last statement.
3841 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3842 (execute_fixup_cfg): If there are non-local labels in the function,
3843 scan the basic blocks and split them at calls that can go to non-local
3844 labels or add missing abnormal call edges. Write down the CFG in the
3846 (pass_fixup_cfg): Remove TODO_dump_func flag.
3847 * unwind-sjlj.c: Poison setjmp.
3848 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3849 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3850 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3851 (DONT_USE_BUILTIN_SETJMP): Document it.
3853 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3856 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3857 to 1 when __ppc64__ is defined.
3858 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3860 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3862 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3864 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3865 * config/ia64/unwind-hpux.c: Delete.
3867 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3869 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3870 on the element before gimplifying it, instead of punting if it is of
3873 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3875 * doc/loop.texi: New file.
3876 * doc/gccint.texi: Reference loop.texi.
3877 * Makefile.in (loop.texi): Add.
3879 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3881 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3883 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3884 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3886 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3888 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3890 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3892 * doc/install.texi: Document required versions of GMP and MPFR.
3894 2006-09-27 Paul Brook <paul@codesourcery.com>
3897 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3899 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3901 * reload1.c (alter_reg): Require the alignment of the stack slot to
3902 be at least reg_max_ref_width bytes.
3903 (scan_paradoxical_subregs): Record the largest width in
3906 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3910 * tree-nested.c (struct nesting_info): Added static_chain_added.
3911 (convert_call_expr): Set static_chain_added when adding static
3912 chain. Handle OMP_PARALLEL and OMP_SECTION.
3914 2006-09-25 Matthias Klose <doko@debian.org>
3916 * doc/invoke.texi: Add missing full stop.
3918 2006-09-25 Richard Henderson <rth@redhat.com>
3920 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3921 before cgraph_function_flags_ready.
3923 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3924 Adam Nemet <anemet@caviumnetworks.com>
3926 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3927 determine_common_wider_type): New functions.
3928 (get_computation_aff): Use them to simplify arithmetic between
3929 UBASE and CBASE if they are shortened from the same type.
3931 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3934 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3935 -2147483647 - 1 instead of 0x80000000.
3937 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3939 * flags.h (HONOR_NANS): Fix typo in comment.
3941 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3943 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3945 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3949 * tree.c (merge_attributes, attribute_list_contained): If both
3950 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3952 * c-typeck.c (comptypes_internal): Don't consider aggregates
3953 in different TUs as compatible if there one set of attributes is
3954 not a subset of the other type's attributes.
3955 (composite_type): Try harder not to create a new aggregate type.
3957 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3959 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3960 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3961 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3962 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3963 than replicating condition above.
3964 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3966 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3967 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3968 the linker by default.
3970 2006-09-22 Mike Stump <mrs@apple.com>
3972 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3975 2006-09-22 Richard Guenther <rguenther@suse.de>
3978 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3979 sort of stack variables stable.
3981 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3984 * explow.c (force_reg): Set REG_POINTER flag according to
3987 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3989 PR tree-optimization/28888
3990 * tree-if-conv.c (combine_blocks): Rewritten.
3991 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3992 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3994 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3996 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3999 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4001 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4003 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4005 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4007 2006-09-21 Roger Sayle <roger@eyesopen.com>
4010 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4011 dw_fde_current_label, to be the start of the function, i.e. the same
4012 value as dw_fde_begin.
4014 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4016 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4017 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4018 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4019 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4020 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4021 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4022 (abs<mode>2, neg<mode>2): Likewise.
4023 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4024 (*mips_abs_ps): New define_insn.
4026 2006-09-20 Josh Conner <jconner@apple.com>
4029 * calls.c (expand_call): Allow reuse of structure return stack
4032 2006-09-20 Paul Brook <paul@codesourcery.com>
4034 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4037 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4039 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4040 clean up terminology.
4042 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4045 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4046 with tablejumps in them.
4048 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4051 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4052 wrap it into TARGET_EXPR.
4054 2006-09-20 Eric Christopher <echristo@apple.com>
4056 * config/i386/i386.c (x86_fisttp): Remove.
4057 * config/i386/i386.h (x86_fisttp): Ditto.
4058 (TARGET_FISTTP): Ditto.
4060 2006-09-19 Eric Christopher <echristo@apple.com>
4062 * doc/tm.texi (OBJC_JBLEN): Describe.
4063 * config/i386/darwin.h (OBJC_JBLEN): Define.
4064 * config/rs6000/darwin.h: Ditto.
4066 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4068 PR rtl-optimization/21299
4069 * reload1.c (reload): Purge invalid ASMs in the final pass.
4071 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4074 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4075 pointers as legitimate constants.
4077 2006-09-19 Paul Brook <paul@codesourcery.com>
4080 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4082 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4084 PR tree-optimization/28887
4085 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4086 component parts from the reference.
4087 (gather_memory_references_ref): Record the reference without the
4088 nonaddressable component parts.
4090 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4093 * c-opts.c (c_common_handle_option): Ignore the -std options
4094 if the input language is assembly.
4096 2006-09-17 Ira Rosen <irar@il.ibm.com>
4099 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4101 (ptr_ptr_may_alias_p): Likewise.
4102 (record_record_differ_p): New function.
4103 (base_object_differ_p): Call record_record_differ_p.
4105 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4108 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4109 away for the expr argument.
4111 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4114 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4115 before using it for dumping after vectorizing loops.
4117 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4118 Jack Howarth <howarth@bromo.med.uc.edu>
4121 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4122 skip on error_mark_node.
4123 (rs6000_darwin64_record_arg_recurse): Likewise.
4125 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4127 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4128 * doc/rtl.texi: Remove related documentation.
4130 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4132 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4135 2006-09-15 Jim Wilson <wilson@specifix.com>
4137 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4138 Handle symbol offsets same as they are handled in ia64_expand_move
4141 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4143 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4144 Add forgotten parameter to the fprintf call.
4146 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4148 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4150 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4152 * doc/contrib.texi: Add my entry.
4154 2006-09-15 Nick Clifton <nickc@redhat.com>
4156 * doc/md.texi (Processor pipeline description): Fix typo in
4157 example of how to use the absence_set directive and reword the
4158 description to make it slightly easier to read.
4160 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4162 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4163 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4164 expanding the number of iterations.
4165 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4167 * cfgrtl.c (emit_insn_at_entry): New function.
4168 * rtl.h (emit_insn_at_entry): Declare it.
4169 * integrate.c (emit_initial_value_sets): Use it.
4171 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4173 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4175 (struct loop_work and related VEC declarations): Delete.
4176 (bfin_dump_loops): Print out new member bad.
4177 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4178 (bfin_scan_loop): Don't recurse.
4179 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4180 loops. No longer need to update outer loops if the current one is
4181 found bad. Move some validitiy checks to bfin_discover_loop.
4182 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4183 but changed not to check for nesting. Also changed to use the new bad
4185 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4186 time. Use bitmap based test to discover loop nesting.
4188 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4190 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4193 2006-09-14 Richard Guenther <rguenther@suse.de>
4194 Kazu Hirata <kazu@codesourcery.com>
4196 PR middle-end/28884.
4197 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4198 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4199 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4200 with TARGET_FUNCTION_VALUE.
4202 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4205 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4207 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4209 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4212 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4215 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4218 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4220 * basic_block.h (bb_has_eh_pred): Fix comment.
4222 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4224 * flow.c (calculate_global_regs_live): Invalidate eh registers
4225 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4226 (propagate_block): Handle eh registers as if they were set at basic
4228 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4230 * global.c (global_conflicts): Make eh registers to conflict with
4231 pseudos live at basic block begin.
4232 * basic_block.h (bb_has_eh_pred): New function.
4234 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4236 PR rtl-optimization/28982
4237 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4238 index of a PRE_MODIFY or POST_MODIFY address.
4239 * reload1.c (inc_for_reload): Use find_replacement on the original
4240 base and index registers.
4242 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4244 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4245 for -Os. Update __m128 alignment requirement.
4247 2006-09-13 Jan Hubicka <jh@suse.cz>
4249 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4251 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4253 PR rtl-optimization/28243
4254 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4255 the insn to which the note was originally attached.
4257 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4258 Roger Sayle <roger@eyesopen.com>
4260 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4261 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4262 on platforms that don't use dwarf for debug info.
4264 2006-09-12 Jason Merrill <jason@redhat.com>
4267 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4268 hard_frame_pointer_rtx after using it to update the frame pointer.
4270 2006-09-12 Roger Sayle <roger@eyesopen.com>
4272 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4273 (TARGET_ASM_CLOSE_PAREN): Likewise.
4274 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4275 (TARGET_ASM_CLOSE_PAREN): Likewise.
4277 2006-09-12 Roger Sayle <roger@eyesopen.com>
4280 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4281 frame information for frames larger than 512 Kbytes on Tru64 when
4282 using the native assembler.
4284 2006-09-12 Roger Sayle <roger@eyesopen.com>
4288 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4289 and symbols. Instead use the implementation from cse.c's hash_rtx.
4291 2006-09-12 Jan Hubicka <jh@suse.cz>
4293 PR rtl-optimization/28071
4294 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4295 (vect_transform_loop): Likewise.
4296 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4297 (new_loop_vec_info): Likewise.
4298 (destroy_loop_vec_info): Likewise.
4299 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4300 (create_stmt_ann): Likewise.
4301 (create_tree_ann): Rename to ...
4302 (create_tree_common_ann): ... this one; allocate only the common part
4304 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4305 (get_value_handle): Likewise.
4306 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4307 get_tree_common_ann.
4308 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4309 (vinfo_for_stmt): Use stmt annotations.
4310 * tree-flow.h (tree_ann_common_t): New type.
4311 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4312 (tree_ann, get_tree_ann, create_tree_ann): New.
4313 * tree-flow-inline.h (get_function_ann): Do more type checking.
4314 (stmt_ann): Likewise.
4315 (tree_ann): Rename to ...
4316 (tree_common_ann): ... this one; return ony common_ann
4317 (get_tree_ann): Rename to ...
4318 (tree_common_ann): This one; return only common_ann.
4319 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4322 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4324 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4325 with_cpu by default.
4327 * dwarf2out.c (dwarf_file_data): New.
4328 (enum dw_val_class): Add dw_val_class_file.
4329 (struct dw_val_struct): Add val_file.
4330 (file_table): Change to a hash table.
4331 (file_table_emitted): Delete.
4332 (file_table_last_lookup_index): Delete.
4333 (emitcount): Delete.
4334 (last_emitted_file): New.
4335 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4336 (init_file_table): Delete.
4337 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4338 (AT_addr): Add comment.
4342 (print_die): Handle dw_val_class_file.
4343 (print_dwarf_line_table): Update for new file table structure.
4344 (attr_checksum): Do checksum a filename.
4345 (same_dw_val_p, same_attr_p): Do compare a filename.
4346 (size_of_die): Handle dw_val_class_file.
4347 (value_format): Likewise.
4348 (output_die): Likewise. Also, call maybe_emit_file here.
4349 (struct file_info): Constify filenames. Make file_idx a pointer
4350 to a struct dwarf_file_data.
4351 (struct dir_info): Constify directory names. Remove 'used' field.
4352 (struct file_name_acquire_data): New.
4353 (file_name_acquire): New.
4354 (output_file_names): Modify to handle new file data structures.
4355 (add_src_coords_attributes): Use add_AT_file.
4356 (add_call_src_coords_attributes): Likewise.
4357 (dwarf2out_imported_module_or_decl): Likewise.
4358 (gen_subprogram_die): Modify for new file data structures.
4359 (gen_variable_die): Likewise.
4360 (file_table_eq): New.
4361 (file_table_hash): New.
4362 (file_table_last_lookup): New.
4363 (lookup_filename): Rewrite to handle new file data structures.
4364 (maybe_emit_file): Rewrite to handle new file data structures.
4365 (dwarf2out_source_line): Always call lookup_filename and
4367 (dwarf2out_init): Create file_table here.
4368 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4369 (file_table_relative_p): New.
4370 (dwarf2out_finish): Change detection of relative filenames
4371 to work with new file data structures. Move output_line_info call
4372 after debug_info output.
4374 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4379 * config/i386/i386.c (override_options): Always default to 16
4380 byte stack boundary.
4382 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4385 * var-tracking.c (dump_dataflow_set): Start dumping at
4387 (clobber_variable_part): Kill only the variable part in
4388 registers holding it, leaving other variables alone.
4390 2006-09-11 Josh Triplett <josh@freedesktop.org>
4392 * doc/extend.texi (Other Builtins): Actually use the macro
4393 argument in the documentation example for
4394 __builtin_types_compatible_p.
4396 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4398 PR rtl-optimization/28726
4399 * sched-deps.c (sched_analyze_reg): New function extracted from...
4400 (sched_analyze_1): ...here. Call it to analyze references to
4401 registers. Treat again writes to a stack register as writing to the
4403 (sched_analyze_2): ...and here. Call it to analyze references to
4404 registers. Treat again reads of a stack register as reading the
4407 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4408 David Edelsohn <edelsohn@gnu.org>
4411 * config/rs6000/spe.md (frob_df_di): Remove %H.
4412 (frob_di_df): Remove %H. Change evmergelo to mr.
4413 (frob_di_df_2): Remove %H. Change evldd to two loads.
4415 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4417 * doc/cpp.texi: Fix names of charset options.
4419 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4422 * config/i386/i386.c (override_options): Use 128-bit
4423 stack boundary always for 64bits.
4425 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4427 PR rtl-optimization/28636
4428 * combine.c (force_to_mode): Test for side-effects before
4429 substituting by zero.
4430 (simplify_shift_const): Likewise for zero or other constants.
4432 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4435 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4438 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4441 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4442 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4443 returned by mode_for_size, rather than the mode of src itself,
4444 to choose between 32-bit and 64-bit patterns.
4445 (mips_mem_fits_mode_p): New function.
4446 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4447 that the size of the source matches the size of the destination.
4448 (mov_<store>l, mov_<store>r): Likewise.
4450 2006-09-10 Eric Christopher <echristo@apple.com>
4452 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4455 2006-09-09 Eric Christopher <echristo@apple.com>
4458 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4461 2006-09-09 Roger Sayle <roger@eyesopen.com>
4462 Nicolas Setton <setton@adacore.com>
4464 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4466 2006-09-10 Andreas Schwab <schwab@suse.de>
4468 * config/m68k/m68k.md (bungt_rev): New pattern.
4470 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4471 Dale Johannesen <dalej@apple.com>
4474 * regclass.c (struct reg_pref): Update documentation.
4475 (regclass): Set prefclass to NO_REGS if memory is the best option.
4476 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4478 2006-09-08 Eric Christopher <echristo@apple.com>
4480 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4481 * config/t-slibgcc-darwin: Support x86_64 multilib.
4482 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4483 Return 1 for x86_64-darwin.
4484 * config/i386/t-darwin: Add m64 multilib.
4485 (LIB2_SIDITI_CONV_FUNCS): Use.
4486 (LIB2FUNCS_EXTRA): Ditto.
4487 * config/i386/darwin.h: Support x86_64.
4488 * config/i386/i386.c (override_options): Turn on flag_pic
4489 for x86_64-darwin. Disable flag_omit_pointer.
4490 (get_pc_thunk_name): Assert !TARGET_64BIT.
4491 (legitimate_address_p): Disable machopic addressing for
4493 (legitimize_pic_address): Ditto.
4494 (ix86_expand_move): Ditto.
4495 (ix86_expand_call): Ditto.
4496 (machopic_output_stub): Ditto.
4497 * config/darwin.c (machopic_select_section): Support literal16.
4498 (machopic_select_rtx_section): Ditto.
4499 * config/darwin-sections.def: Ditto.
4500 * config/darwin-64.c: New.
4502 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4505 * c-tree.h (struct c_arg_info): Add pending_sizes.
4506 * c-parser.c (c_parser_parms_declarator,
4507 c_parser_parms_list_declarator): Initialize pending_sizes.
4508 * c-decl.c (get_parm_info): Initialize pending_sizes.
4509 (get_parm_info): Set pending_sizes.
4510 (grokdeclarator): Call put_pending_sizes for parameters for
4511 function definition only.
4513 2006-09-07 Jason Merrill <jason@redhat.com>
4516 * varasm.c (output_constant): Only strip actual no-op conversions.
4519 * config/i386/i386.c (override_options): Use 128-bit
4520 stack boundary if -msse.
4522 2006-09-07 Eric Christopher <echristo@apple.com>
4524 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4526 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4529 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4531 * dwarf2out.c: Remove strange characters from comment above
4532 dwarf2out_frame_debug_expr.
4534 2006-09-07 Eric Christopher <echristo@apple.com>
4536 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4537 * config/darwin.h: ... to here.
4539 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4541 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4543 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4544 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4546 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4547 TARGET_PARTIAL_FLAG_REG_STALL.
4548 (*ashldi3_cconly_rex64): Likewise.
4549 (*ashlsi3_cmp): Likewise.
4550 (*ashlsi3_cconly): Likewise.
4551 (*ashlsi3_cmp_zext): Likewise.
4552 (*ashlhi3_cmp): Likewise.
4553 (*ashlhi3_cconly): Likewise.
4554 (*ashlqi3_cmp): Likewise.
4555 (*ashlqi3_cconly): Likewise.
4556 (*ashrdi3_cmp_rex64): Likewise.
4557 (*ashrdi3_cconly_rex64): Likewise.
4558 (*ashrsi3_cmp): Likewise.
4559 (*ashrsi3_cconly): Likewise.
4560 (*ashrsi3_cmp_zext): Likewise.
4561 (*ashrhi3_cmp): Likewise.
4562 (*ashrhi3_cconly): Likewise.
4563 (*ashrqi3_cmp): Likewise.
4564 (*ashrqi3_cconly): Likewise.
4565 (*lshrdi3_cmp_rex64): Likewise.
4566 (*lshrdi3_cconly_rex64): Likewise.
4567 (*lshrsi3_cmp): Likewise.
4568 (*lshrsi3_cconly): Likewise.
4569 (*lshrsi3_cmp_zext): Likewise.
4570 (*lshrhi3_cmp): Likewise.
4571 (*lshrhi3_cconly): Likewise.
4572 (*lshrqi2_cmp): Likewise.
4573 (*lshrqi2_cconly): Likewise.
4575 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4578 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4579 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4580 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4581 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4582 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4583 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4584 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4585 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4586 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4587 implement only CC setting effects of shift instructions.
4589 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4591 * doc/contrib.texi: Add myself.
4593 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4596 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4597 was set by the user.
4599 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4602 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4603 (divsi_inv_m1): Use them.
4604 (UNSPEC_DIV_INV_TABLE): New constant.
4606 2006-09-06 James E Wilson <wilson@specifix.com>
4609 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4610 then call count_or_remove_death_notes.
4612 2006-09-06 Jason Merrill <jason@redhat.com>
4615 * tree-inline.c (copy_result_decl_to_var): New fn.
4616 (declare_return_variable): Use it. Call declare_inline_vars here.
4617 (expand_call_inline): Not here.
4619 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4621 * doc/contrib.texi: Update my entry.
4623 2006-09-06 Nick Clifton <nickc@redhat.com>
4625 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4627 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4630 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4631 (canonicalize_induction_variables): Likewise.
4632 (tree_unroll_loops_completely): Likewise.
4633 (tree_ssa_prefetch_arrays): Likewise.
4634 (remove_empty_loops): Likewise.
4635 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4636 TODO_cleanup_cfg instead of directly calling
4637 cleanup_tree_cfg_loop.
4638 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4640 (tree_unroll_loops_completely): Likewise.
4641 (remove_empty_loops): Likewise.
4642 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4643 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4644 of tree_ssa_unswitch_loops.
4645 (tree_ssa_loop_ivcanon): Use the return value of
4646 canonicalize_induction_variables.
4647 (tree_ssa_empty_loop): Use the return value of
4649 (tree_complete_unroll): Use the return value of
4650 tree_unroll_loops_completely.
4651 (tree_ssa_loop_prefetch): Use the return value of
4652 tree_ssa_prefetch_arrays.
4653 * passes.c (execute_todo): Before Cleanup CFG, set
4654 updating_used_alone and after cleanup CFG, call
4655 recalculate_used_alone.
4657 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4660 * tree-vect-transform.c (vectorizable_condition): Move the check
4661 for the type after the check for simple condition.
4663 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4664 Kaz Kojima <kkojima@gcc.gnu.org>
4667 * mode-switching.c (optimize_mode_switching): Make the destination
4668 block of an abnormal edge have no anticipatable mode. Don't
4669 insert mode switching code at the end of the source block of
4672 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4674 PR rtl-optimization/26847
4675 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4676 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4677 (simplify_plus_minus): Count n_constants while filling ops. Replace
4678 qsort with insertion sort. Before going through the array to simplify
4679 pairs, sort it. Delay early exit until after the first sort, exiting
4680 only if no swaps occurred. Simplify pairs in reversed order, without
4681 special-casing the first iteration. Pack ops after simplifying pairs.
4683 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4685 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4686 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4687 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4688 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4690 2006-09-05 Richard Guenther <rguenther@suse.de>
4692 PR tree-optimization/28900
4693 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4694 compound conditional before creating COND_EXPR condition.
4696 2006-09-05 Richard Guenther <rguenther@suse.de>
4698 PR tree-optimization/28905
4699 * tree-vrp.c (fix_equivalence_set): Manually implement
4700 !value_ranges_intersect_p to also handle symbolic ranges.
4702 2006-09-05 Richard Guenther <rguenther@suse.de>
4705 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4708 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4710 PR rtl-optimization/27616
4711 * cse.c (table_size): New static variable.
4712 (new_basic_block): Initialize it to 0.
4713 (remove_from_table): Decrement it.
4714 (insert): Increment it.
4715 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4716 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4717 fold_rtx_mem_1 if under the cap.
4718 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4719 the lookup of the equivalent expression and test for equality of the
4720 first operand of the equivalent expression before in turn looking up
4721 an equivalent constant for the second operand.
4723 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4726 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4727 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4728 pointer, instead of assuming it is possible to derive the
4729 correct args size from a call insn.
4731 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4734 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4735 (fold_builtin_mempcpy): Rename to...
4736 (fold_builtin_memory_op): ... this. Optimize one element copy
4738 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4740 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4741 (expand_builtin_memcpy, expand_builtin_mempcpy,
4742 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4743 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4744 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4745 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4747 2006-09-01 DJ Delorie <dj@redhat.com>
4749 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4750 (stzx_16): Likewise.
4751 ("stzx_24_<mode>"): Likewise.
4752 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4753 ("cmp<mode>_op"): New.
4754 (cmp<mode>): Change to expander; just save operands.
4756 (b<code>): Change to expander, emit compare here.
4757 (s<code>_op): Change to use split and expander.
4758 (s<code>_24_op): Likewise.
4759 (s<code>_<mode>): New.
4760 (s<code>_<mode>_24): New.
4761 (movqicc_<code>_<mode): New.
4762 (movhicc_<code>_<mode>): New.
4765 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4766 (m32c_pend_compare): New.
4767 (m32c_unpend_compare): New.
4768 (m32c_expand_scc): New.
4769 (m32c_expand_movcc): Emit the compare also.
4770 * config/m32c/predicates.md (mra_nopp_operand): New.
4772 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4773 Richard Guenther <rguenther@suse.de>
4774 Adam Nemet <anemet@caviumnetworks.com>
4777 * builtins.c (get_pointer_alignment): Handle more forms
4778 of base addresses that can be used to derive more precise
4779 information about alignment.
4781 2006-09-01 Jason Merrill <jason@redhat.com>
4784 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4787 * gimplify.c (voidify_wrapper_expr): Handle null type.
4789 2006-09-01 Josh Conner <jconner@apple.com>
4792 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4793 (execute_return_slot_opt): Use it.
4795 2006-08-31 Josh Conner <jconner@apple.com>
4798 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4799 returning aggregates.
4801 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4803 PR tree-optimization/28839
4804 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4805 blocks in that phi arguments appear.
4807 2006-08-31 Roger Sayle <roger@eyesopen.com>
4810 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4811 NULL, otherwise use an advance_loc4 to adjust relative to the
4813 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4814 (dwarf2out_switch_text_section): Reset the current label to avoid
4815 using advance_loc4 over section boundaries.
4817 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4820 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4821 r12 + SYMBOLIC_CONST.
4823 2006-08-30 Richard Guenther <rguenther@suse.de>
4825 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4827 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4829 PR rtl-optimization/27735
4830 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4831 Add new argument to keep track of whether an irreducible region
4832 was affected. All callers changed.
4833 (fix_irreducible_loops): Removed.
4834 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4835 flags were invalidated.
4837 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4839 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4840 instead of SF operands.
4841 (*fop_df_comm_sse): Likewise.
4842 (*fop_df_comm_i387): Likewise.
4843 (*fop_df_1_mixed): Likewise.
4844 (*fop_df_1_sse): Likewise.
4846 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4847 J"orn Rennecke <joern.rennecke@st.com>
4849 PR tree-optimization/17506
4850 * tree-ssa.c (warn_uninit): If warning about a location outside of
4851 the current function, note where the variable was declared.
4853 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4855 PR tree-optimization/28411
4856 * double-int.c (double_int_div): Use double_int_divmod.
4857 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4858 double_int_mod, double_int_smod, double_int_umod): New functions.
4859 * double-int.h (double_int_divmod, double_int_sdivmod,
4860 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4862 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4864 (get_computation_aff, get_computation_cost_at): Handle double_int
4865 return type of constant_multiple_of.
4867 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4870 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4871 an implicit conversion.
4873 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4875 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4877 2006-08-27 Roger Sayle <roger@eyesopen.com>
4879 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4882 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4884 * config/i386/crtfastmath.c: Fix a comment typo.
4886 2006-08-26 Roger Sayle <roger@eyesopen.com>
4888 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4889 temporary visit flags on CASE_LABEL_EXPRs.
4890 * c-common.c (match_case_to_enum): Add function comment. Avoid
4891 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4892 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4893 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4894 a constant, only warn if that constant value isn't handled.
4896 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4899 * input.h (restore_input_file_stack): Declare.
4900 (INPUT_FILE_STACK_BITS): Define.
4901 * toplev.c (fs_p, input_file_stack_history,
4902 input_file_stack_restored, restore_input_file_stack): New.
4903 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4904 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4905 (pop_srcloc): Don't free old state of stack.
4907 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4910 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4911 (PowerPC Type Attributes): New.
4913 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4915 * config/xtensa/xtensa.c (function_arg_boundary): New.
4916 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4918 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4919 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4921 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4924 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4927 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4929 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4930 (verify_local_live_at_start): Likewise.
4932 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4935 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4936 omp_add_variable): Treat sizes as variable whenever not
4939 2006-08-26 Richard Guenther <rguenther@suse.de>
4942 * fold-const.c (fold_binary): Fold temporary to correct
4943 type before constructing new comparison.
4945 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4948 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4949 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4951 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4954 * c-decl.c (start_function): Don't try to process prototype
4955 information from old declaration that isn't a function.
4957 2006-08-25 Jan Hubicka <jh@suse.cz>
4960 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4962 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4965 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4968 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4970 PR tree-optimization/16876
4971 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4972 exit if PARM doesn't match VALUE.
4974 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4976 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4977 literal_prefix directive.
4978 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4979 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4980 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4982 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4985 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4986 predicate to general_operand. Add 0->y and I->r alternatives.
4988 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4990 * doc/tm.texi: Fix a typo.
4991 * predict.c: Fix comment typos.
4993 2006-08-25 Nick Clifton <nickc@redhat.com>
4995 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4996 assertions of "cpu" and "machine".
4998 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5001 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5002 the access through a base which has an alias set of 0 cannot
5005 2006-08-24 Bill Wendling <wendling@apple.com>
5007 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5009 2006-08-24 Jan Hubicka <jh@suse.cz>
5011 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5013 2006-08-24 Jan Hubicka <jh@suse.cz>
5016 * cgraph.c: Fix comments.
5017 (cgraph_varpool_mark_needed_node): Mark only variables not already
5019 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5020 (cgraph_varpool_assembled_nodes_queue): New static variable.
5021 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5022 (cgraph_varpool_output_debug_info): New function.
5023 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5024 * Makefile.in: Add gt-cgraphunit.h
5026 2006-08-24 Jan Hubicka <jh@suse.cz>
5028 * predict.c (probability_reliable_p): New predicate.
5029 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5030 (predict_loops): Do not predict loop exit with less than 2%
5032 * basic-block.h (edge_probability_reliable_p,
5033 br_prob_note_reliable_p): Declare.
5034 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5035 prediction when static predictor is not reliable.
5036 * rs6000.c (output_cbranch): Likewise.
5038 2006-08-23 Stuart Hastings <stuart@apple.com>
5041 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5042 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5044 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5047 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5048 complex values, nor for generic vector values.
5050 2006-08-22 Richard Guenther <rguenther@suse.de>
5053 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5054 parameter. Convert arguments to arithmetic expression to the
5056 (analyze_scalar_evolution_1): Adjust caller.
5058 2006-08-22 Jan Hubicka <jh@suse.cz>
5060 Patch by Paolo Bonzini
5061 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5064 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5066 PR tree-optimization/28003
5067 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5068 before grouping aliases.
5070 2006-08-22 Roger Sayle <roger@eyesopen.com>
5072 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5073 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5075 2006-08-21 Jason Merrill <jason@redhat.com>
5078 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5079 wrapper. Loop to handle nested wrappers.
5080 (gimplify_bind_expr): Remove temp parameter.
5081 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5082 and STATEMENT_LIST on the rhs.
5083 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5084 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5085 (gimplify_target_expr): Remove special BIND_EXPR handling.
5087 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5089 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5092 2006-08-21 Olivier Hainque <hainque@adacore.com>
5094 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5095 Arrange for the temporary captures of components overlapping the lhs
5096 to happen before the lhs is possibly cleared.
5098 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5100 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5101 necessary places to pass the correct "number of registers" values
5104 2006-08-20 Jan Hubicka <jh@suse.cz>
5106 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5107 (create_name_tags): Instead of quadratic checking use hashtable.
5108 * bitmap.h: Include hashtab.h.
5109 (bitmap_hash): Declare.
5110 * bitmap.c (bitmap_hash): New function.
5112 2006-08-20 Jan Hubicka <jh@suse.cz>
5114 PR rtl-optimization/28071
5115 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5117 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5118 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5119 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5120 cgraph_decide_inlining_incrementally): Update use of
5121 cgraph_check_inline_limits.
5122 * cgraph.c (edge_hash, edge_eq): New function.
5123 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5124 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5125 cgraph_remove_node): Maintain call site hash.
5126 * cgraph.h (struct cgraph_node): Add call_site_hash.
5127 (cgraph_set_call_stmt): New function.
5129 2006-08-20 Jan Hubicka <jh@suse.cz>
5131 PR rtl-optimization/28071
5132 * reload1.c (reg_has_output_reload): Turn into regset.
5133 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5134 choose_reload_regs, emit_reload_insns): Update to new
5135 reg_has_output_reload.
5137 2006-08-20 Jan Hubicka <jh@suse.cz>
5140 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5141 function body sizes.
5142 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5144 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5147 * tree.c (handle_dll_attribute): Return early if not a
5148 var or function decl.
5150 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5153 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5154 alignment of SPE vector types.
5156 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5158 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5160 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5163 * cgraph.h (struct cgraph_node): Remove externally_visible
5165 * cgraphunit.c (process_function_and_variable_attributes): Set
5166 local.externally_visible rather than externally_visible.
5169 * c-common.c (handle_externally_visible_attribute): First look
5170 at TREE_CODE and only if it is function or var decl, check for
5171 non-public objects. Don't warn for DECL_EXTERNAL.
5172 * cgraphunit.c (process_function_and_variable_attributes): Warn
5173 if externally_visible attribute is used on non-public object.
5175 2006-08-17 Jan Hubicka <jh@suse.cz>
5177 PR tree-optimization/27865
5178 * reload1.c (forget_marked_reloads): New function.
5179 (forget_old_reloads_1): When data are passed, just mark the registers
5181 (reload_as_needed): Use the new mechanizm.
5183 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5186 * reload.h (reg_equiv_alt_mem_list): New declaration.
5187 * reload1.c (reg_equiv_alt_mem_list): New definition.
5188 (reload): Initialize it and release it.
5189 (delete_output_reload): Use it.
5190 * reload.c (push_reg_equiv_alt_mem): New function.
5191 (find_reloads_toplev): Call it.
5192 (find_reloads_address, find_reloads_address_1): Likewise.
5193 (find_reloads_subreg_address): Likewise.
5195 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5197 PR rtl-optimization/28489
5198 * sched-ebb.c (begin_schedule_ready): Create basic block
5200 (advance_target_bb): Skip empty blocks.
5201 * haifa-sched.c (bb_note): Make global.
5202 * sched-int.h (bb_note): Add prototype.
5204 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5206 PR tree-optimization/27865
5207 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5209 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5210 fold_used_pointer, pointer_used_p): New functions.
5211 (analyze_scalar_evolution_1): Use fold_used_pointer.
5212 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5213 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5216 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5219 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5220 or the INTEGER_CST. Fail on a CALL_EXPR.
5221 (fold_offsetof): Pass new argument to fold_offsetof_1.
5222 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5223 operand into an INDIRECT_REF.
5224 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5226 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5228 PR gcov/profile/26570
5229 * value-prof.c (static_values): Removed.
5230 (tree_find_values_to_profile): Do not set static_values.
5231 (find_values_to_profile): Do not free static_values.
5232 * profile.c (instrument_values): Do not free the values.
5233 (branch_prob): Free the values.
5235 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5237 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5239 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5242 * c-typeck.c (build_component_ref): Combine qualifiers of
5243 structure or union and field.
5245 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5247 PR rtl-optimization/28071
5248 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5249 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5250 * tree-into-ssa.c (struct dom_dfsnum): New.
5251 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5253 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5254 compute_global_livein.
5255 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5256 in phi nodes in the correct blocks.
5258 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5260 PR tree-optimization/28364
5261 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5263 (fold_affine_expr): New function.
5264 (may_eliminate_iv): Use fold_affine_expr.
5266 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5269 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5272 2006-08-16 Mike Stump <mrs@apple.com>
5274 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5275 * doc/cppopts.texi (-MD): Likewise.
5277 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5280 * c-common.c (handle_weak_attribute): Ignore and warn if
5281 not a FUNCTION_ or VAR_DECL.
5283 2006-07-15 Mike Stump <mrs@apple.com>
5286 * c-parser.c (c_parser_typeof_specifier): Don't use
5287 c_finish_expr_stmt, open code desired semantics instead.
5289 2006-08-15 Nick Clifton <nickc@redhat.com>
5291 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5292 fragment to tmake_file only if threads are enabled.
5293 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5294 * config/i386/t-gthr-win32: New file. ... here.
5296 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5299 * c-parser.c (c_parser_compound_statement_nostart): Reset
5300 parser->error after each statement.
5302 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5305 * omp-low.c (lower_omp_parallel): Convert t to
5306 receiver_decl's type.
5307 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5308 source before comparison.
5311 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5312 to itype in assignment to oldival2.
5314 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5318 * c-typeck.c (build_compound_expr): If the second expression
5319 is an error mark, then just return an error mark instead of
5320 creating a COMPOUND_EXPR.
5322 2006-07-14 Mike Stump <mrs@apple.com>
5324 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5326 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5328 * c-decl.c, var-tracking.c: Fix comment typos.
5330 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5332 PR rtl-optimization/28634
5333 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5334 for floating-point modes unless flag_unsafe_math_optimizations.
5336 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5337 Andrew Pinski <pinskia@physics.uc.edu>
5340 * tree.c (build_array_type): Unify array types with
5341 unspecified index_type.
5342 * c-decl.c (grokdeclarator): Make sure we do not modify a
5343 unified incomplete array type.
5344 * c-typeck.c (store_init_value): Create distinct type before
5345 filling in the index type in an initializer from a compound
5348 * c-decl.c (grokdeclarator): Remove code where we copy the
5351 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5353 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5354 into account for TODO_dump_cgraph.
5355 (TODO_update_ssa_no_phi): Likewise.
5356 (TODO_update_ssa_full_phi): Likewise.
5357 (TODO_update_ssa_only_virtuals): Likewise.
5358 (TODO_remove_unused_locals): Likewise.
5359 (TODO_set_props): Likewise.
5360 (TODO_update_stmt_usage): Likewise.
5362 2006-08-13 Dirk Mueller <dmueller@suse.de>
5364 * c-common.c (strict_aliasing_warning): Fix formatting.
5366 2006-08-13 Matthias Klose <doko@debian.org>
5368 * doc/invoke.texi: Fix spelling errors.
5370 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5372 PR rtl-optimization/23454
5373 * reorg.c (relax_delay_slots): Update comment.
5375 2006-08-11 Richard Guenther <rguenther@suse.de>
5378 * simplify-rtx.c (simplify_const_relational_operation):
5379 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5382 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5384 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5385 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5387 2006-08-10 Paul Brook <paul@codesourcery.com>
5389 * final.c (final_scan_insn): Clear current_insn_predicate before
5390 outputting inline asm.
5392 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5394 PR tree-optimization/26197
5395 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5396 get_ref_base_and_extent and overlap_subvar to add only relevant
5397 subvars as may-aliases.
5398 (add_may_alias_for_new_tag): New function, factored out of
5400 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5401 with additional argument.
5402 * tree-flow.h (new_type_alias): Takes additional argument.
5404 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5406 * gcov.c (no_data_file): New flag.
5407 (read_count_file): Set it if data file not present. Assume counts
5409 (output_lines): Don't name the data file, if there wasn't one.
5411 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5413 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5414 (rs6000_generate_compare): Tweak comments.
5415 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5417 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5419 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5420 (var_debug_decl): New function.
5421 (var_reg_set): Follow debug decl link. Add location even if
5422 reg is already known to hold some other variable.
5423 (var_mem_set): Follow debug decl link.
5424 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5425 decl link. Delete other known locations of the variable part
5427 (var_reg_delete, var_mem_delete): Delete other known locations
5428 of the variable part if requested.
5429 (same_variable_part_p): New function.
5430 (add_stores): Select MO_COPY when appropriate.
5431 (vt_initialize): Handle it.
5432 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5433 known locations for MO_SET and MO_CLOBBER.
5434 (find_variable_location_part): New function.
5435 (set_variable_part, delete_variable_part): Use it.
5436 (clobber_variable_part): New function.
5437 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5440 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5442 PR tree-optimization/26969
5443 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5444 with an empty list of PHIs.
5446 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5450 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5453 2006-08-06 Andreas Schwab <schwab@suse.de>
5455 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5456 string. Whitespace and comment fixup.
5458 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5461 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5465 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5468 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5470 2006-08-04 Jan Hubicka <jh@suse.cz>
5474 * reload.c (push_reload): Patch out the mismatching instruction;
5476 (find_reload): Bail out if the instruction was patched out.
5478 2006-08-04 Jan Hubicka <jh@suse.cz>
5480 PR tree-optimization/24888
5481 * tree-inline.c (expand_call_inline): Do not re-record variables.
5482 (declare_inline_vars): Add variable to unexpanded_var_list.
5484 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5485 Roger Sayle <roger@eyesopen.com>
5487 PR rtl-optimization/26244
5488 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5489 inner_const are negative or greater than or equal to the bitsize of
5490 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5491 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5492 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5493 CONST0_RTX (mode) when the new shift count is greater than or equal to
5494 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5497 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5499 * tree-cfg.c: Fix a comment typo.
5501 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5504 * varasm.c (output_constant): Give the front end another chance to
5505 expand constants, after stripping NOPs.
5507 2006-08-03 Jan Hubicka <jh@suse.cz>
5509 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5512 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5514 PR tree-optimization/27770
5515 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5516 declaration removed (moved to tree-flow.h).
5517 (vect_can_force_dr_alignment_p): Likewise.
5518 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5519 (moved from tree-vectorizer.h).
5520 (vect_can_force_dr_alignment_p): Likewise.
5521 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5522 from outside the vectorizer - in particular from cgraph stage.
5523 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5524 the alignment of global arrays when -fsection-anchors is enabled.
5525 * cgraphunit.c (cgraph_increase_alignment): New function.
5526 (cgraph_optimize): Call cgraph_increase_alignment.
5528 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5531 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5532 not reload a SPE symbol_ref into a lo_sum address.
5534 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5537 * dwarf2out.c (prune_unused_types_prune): Move call to
5538 prune_unused_types_update_strings to cover the parent DIE also.
5540 2006-08-02 Jan Hubicka <jh@suse.cz>
5542 PR gcov/profile/28480
5543 * tree-cfg.c (change_bb_for_stmt): New function.
5544 (tree_merge_blocks, tree_split_blocks): Use it.
5546 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5552 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5553 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5554 (cgraph_optimize): Likewise.
5556 2006-08-01 Stuart Hastings <stuart@apple.com>
5558 * rtl.h (UINTVAL) New.
5559 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5560 * testsuite/gcc.dg/20060801-1.c: New.
5562 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5565 * c-typeck.c (build_external_type): Mark used enum types.
5566 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5568 (gen_subprogram_die): Whitespace fix.
5570 2006-08-01 Jan Hubicka <jh@suse.cz>
5572 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5573 bitmap when not needed.
5574 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5577 2006-08-01 Dirk Mueller <dmueller@suse.de>
5579 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5581 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5583 * Makefile.in: Revert part of previous patch:
5584 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5587 2006-07-30 Eric Christopher <echristo@apple.com>
5590 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5591 (PowerPC Variable Attributes): New section.
5593 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5595 PR target/28126 (partial fix)
5596 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5598 2006-07-28 Jan Hubicka <jh@suse.cz>
5600 PR rtl-optimization/28071
5601 * cfgrtl.c (rtl_delete_block): Free regsets.
5602 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5604 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5606 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5607 and variables used in dependencies.
5609 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5611 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5612 %fs for -mcmodel=kernel.
5613 (stack_tls_protect_test_di): Likewise.
5615 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5617 * Makefile.in: Use mkinstalldirs.
5619 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5622 * opts-common.c (prune_options): Skip joined switches.
5624 2006-07-27 Jan Hubicka <jh@suse.cz>
5626 PR rtl-optimization/28071
5627 * cselib.c (cselib_process_insn): Don't remove useless values too
5628 often for very large hashtables.
5630 2006-07-27 Jan Hubicka <jh@suse.cz>
5632 PR rtl-optimization/28071
5633 * global.c (greg_obstack): New obstack.
5634 (allocate_bb_info): Use it.
5635 (free_bb_info): Likewise.
5636 (modify_reg_pav): Likewise.
5638 2006-07-27 Roger Sayle <roger@eyesopen.com>
5640 * builtins.c (fold_fixed_mathfn): When long and long long are the
5641 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5642 functions to their lceil*, lfloor*, lround* and lrint* forms.
5644 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5647 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5649 (rev_branch_insn): Likewise.
5651 2006-07-27 Jan Hubicka <jh@suse.cz>
5653 PR rtl-optimization/28071
5654 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5655 (reg_set_in_bb, max_reg_computed): New static variables.
5656 (regmove_optimize): Free the new array.
5657 (fixup_match_1): Update call of reg_is_remote_constant_p.
5659 2006-07-26 Jan Hubicka <jh@suse.cz>
5661 PR tree-optimization/27882
5662 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5664 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5666 (cgraph_analyze_compilation_unit): Likewise.
5667 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5668 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5669 (cgraph_early_inlinine): Make order garbage collected.
5670 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5672 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5674 * dbxout.c (output_types_sort): Add a comment.
5675 (output_used_types): Free the VEC.
5677 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5679 * function.c (reorder_fix_fragments): Delete.
5680 (reorder_blocks): Don't call it.
5681 (reorder_blocks_1): Put all subblocks under the origin block.
5683 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5685 PR rtl-optimization/27907
5686 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5689 2006-07-25 Roger Sayle <roger@eyesopen.com>
5692 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5693 bar(x) check that bar's result type can represent all the values of T.
5695 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5697 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5699 2006-07-25 Nick Clifton <nickc@redhat.com>
5701 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5702 size_lookup[] array.
5703 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5704 (ggc_pch_count_object): Likewise.
5705 (ggc_pch_alloc_object): Likewise.
5706 (ggc_pch_write_object): Likewise.
5707 (init_ggc): Do not attempt to initialize entries in the
5708 size_lookup[] array for objects whose size is greater than than
5709 the length of the array.
5711 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5713 * dbxout.c (output_used_types_helper): Push queued types
5715 (output_types_sort): New.
5716 (output_used_types): Collect used types on a VEC and sort them
5719 2006-07-24 Richard Guenther <rguenther@suse.de>
5722 * cgraph.c (cgraph_remove_node): Do not check if dumps
5724 * cgraphunit.c (cgraph_optimize): Likewise.
5726 2006-07-24 Jan Hubicka <jh@suse.cz>
5728 PR rtl-optimization/28071
5729 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5730 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5731 splitting before first stmt.
5733 2006-07-24 Jan Hubicka <jh@suse.cz>
5735 PR rtl-optimization/28071
5736 * ipa-inline.c (update_caller_keys): Remove edges that
5737 are no longer inline candidates.
5739 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5742 * dbxout.c (output_used_types_helper, output_used_types): New.
5743 (dbxout_symbol): Call output_used_types.
5745 2006-07-23 Jan Hubicka <jh@suse.cz>
5749 * cgraph.c (cgraph_varpool_nodes): Export.
5750 (decide_is_variable_needed): Ignored "used" attribute in
5751 unit-at-a-time mode.
5752 * cgraph.h (cgraph_varpool_nodes): Declare.
5753 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5754 unit-at-a-time mode.
5756 2006-07-23 Roger Sayle <roger@eyesopen.com>
5759 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5760 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5761 the __gthrw form of thr_keycreate.
5762 (__gthread_key_delete): Silence the unused argument warning.
5764 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5767 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5768 Cache the last found '\0' marker to avoid quadratic behavior.
5770 2006-07-23 Jan Hubicka <jh@suse.cz>
5772 * i386.md (subsi_3_zext): Fix output template.
5774 2006-07-21 Mike Stump <mrs@apple.com>
5776 * doc/invoke.texi (C++ Dialect Options): Note that
5777 -fvisibility-inlines-hidden doesn't affect explicitly
5778 instantiationed inline methods.
5780 2006-07-20 Roger Sayle <roger@eyesopen.com>
5782 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5783 if the target assembler is GNU binutils' gas.
5784 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5785 whether to pass GNU gas or native as command line options.
5787 2006-07-20 Jason Merrill <jason@redhat.com>
5789 * tree.c (remove_attribute): New fn.
5790 * tree.h: Declare it.
5792 2006-07-20 Paul Brook <paul@codesourcery.com>
5795 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5796 they are invalidated by this instruction.
5798 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5801 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5803 2006-07-20 Eric Christopher <echristo@apple.com>
5806 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5808 2006-07-19 Eric Christopher <echristo@apple.com>
5810 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5811 Rewrite dependencies for libgcc_s.1.dylib.
5813 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5815 * except.c (duplicate_eh_regions_1): Clear next_peer.
5817 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5819 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5820 -mlongcall does not guarantee all calls will be long.
5821 * doc/extend.texi (long_call/short_call): Document that longcall
5822 does not guarantee a long call will be used.
5823 (longcall/shortcall): Likewise.
5825 2006-07-18 Roger Sayle <roger@eyesopen.com>
5828 * expmed.c (expand_shift): Additionally check that the shift_cost
5829 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5830 before implementing a LSHIFT_EXPR as a sequence of additions.
5831 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5832 middle-end that DImode shifts need to be synthesized by expand.
5834 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5837 * tree-ssa-operands.c (access_can_touch_variable): Update
5839 Return true if ALIAS is .GLOBAL_VAR.
5841 2006-07-18 David Daney <ddaney@avtrex.com>
5843 * gcc.c (display_help): Fix typo in help text.
5845 2006-07-18 Olivier Hainque <hainque@adacore.com>
5847 * tree.h (categorize_ctor_elements): Adjust prototype and add
5848 descriptive comment, both in accordance with the interface change
5850 * varasm.c (constructor_static_from_elts_p): New function.
5851 Whether a constructor node is a valid static constant initializer
5852 if all its elements are.
5853 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5854 * output.h: Declare it.
5855 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5856 is a valid constant initializer instead of computing the number of
5857 non-constant elements. Use constructor_static_from_elts_p for this
5858 purpose. Replace the head comment with an indication that this is a
5859 helper for categorize_ctor_elements.
5860 (categorize_ctor_elements): Same interface change as for the _1
5861 helper. Former head comment from this helper moved here, adjusted to
5862 account for the interface changes.
5863 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5864 (all_zeros_p): Likewise.
5865 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5866 static versions of the constructor from the categorize_ctor_elements
5867 return value instead of the formerly computed number of non-constant
5870 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5872 * configure: Regenerate.
5873 * Makefile.in (build_libsubdir): New configure substitution
5874 (build_libobjdir): New variable.
5875 (BUILD_LIBIBERTY): Use it.
5877 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5880 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5882 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5885 * c-common.c (handle_weakref_attribute): Ignore attribute in
5886 the same conditions the alias attribute is ignored.
5888 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5890 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5891 (dbxout_begin_prologue): Increment scope_labelno.
5893 2006-07-17 Richard Henderson <rth@redhat.com>
5896 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5899 2006-07-17 Roger Sayle <roger@eyesopen.com>
5900 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5902 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5903 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5904 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5905 functions such as sbrk, write, etc.. Add function prototypes.
5906 Convert function declarations from K&R to ISO C. Cast pointers
5907 to "long" and "unsigned long" instead of "int" and "unsigned int".
5908 Convert tokens following #endif into comments.
5910 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5912 * invoke.texi: Remove mention of f77; Reformat table for
5913 inline parameter options correctly; mention that -malign-double
5914 is default on x86-64 targets.
5916 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5918 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5919 (convert_affine_scev, chrec_convert_aggressive): Use
5920 avoid_arithmetics_in_type_p. Do not check for the subtypes
5923 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5926 * optabs.c (expand_doubleword_shift): Wrap the call to
5927 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5929 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5932 * optabs.c (expand_binop): Pass next_methods rather than methods
5933 to expand_doubleword_shift.
5935 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5938 * tree.h (dump_addr): Declare.
5939 * print-tree.c (dump_addr): New function.
5940 (print_node_brief, print_node): Use it.
5941 * print-rtl.c (print_rtx): Likewise.
5942 * common.opt (-fdump-noaddr): New option.
5943 * doc/invoke.texi (-fdump-noaddr): Document.
5944 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5945 (ve_info_hash): Likewise.
5947 2006-07-13 Andrew Haley <aph@redhat.com>
5949 PR tree-optimization/19505
5950 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5951 edge leaving this block, make sure that the destination of this
5952 block has only one predecessor.
5954 2006-07-17 Richard Guenther <rguenther@suse.de>
5956 PR tree-optimization/28238
5957 * tree-inline.c (copy_bb): Check if we produced valid
5958 gimple copying and substituting a stmt. If not, gimplify
5961 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5963 * optabs.c (maybe_encapsulate_block): New function extracted from...
5964 (emit_libcall_block): ...here. Invoke it on the block of insns to
5965 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5966 (emit_no_conflict_block): Likewise.
5968 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5970 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5972 2006-07-15 Roger Sayle <roger@eyesopen.com>
5974 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5975 a new NOP_EXPR case of the switch statement.
5977 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5980 * stor-layout.c (place_field): Take the bit field with
5981 an excessive size into account in the ms-bitfiled case.
5984 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5985 the previous bit field.
5987 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5990 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5992 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5994 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5995 signal frames correctly even when the signal was installed with
5998 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6000 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6001 (dbxout_function_end): Use local label LFBB. Remove hook
6003 (dbxout_source_line): Use local label LFBB.
6004 (dbxout_block): Likewise.
6005 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6006 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6007 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6008 and DBX_OUTPUT_NFUN.
6010 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6012 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6014 2006-07-13 Jan Hubicka <jh@suse.cz>
6016 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6018 * output.h (align_variable): Declare.
6019 * varasm.c (align_variable): Export.
6020 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6021 when basic block changed.
6023 2006-07-13 Nick Clifton <nickc@redhat.com>
6025 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6026 walking the LOG_LINKS chain.
6028 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6030 * doc/invoke.texi (C++ Dialect Options): Explain difference
6031 between -fvisibility-inlines-hidden and setting hidden
6032 visibility explicitly.
6034 2006-07-12 Eric Christopher <echristo@apple.com>
6036 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6037 (stmp-lipo): Depend on libgcc.a.
6039 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6041 * tree.c: Fix a comment typo.
6043 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6045 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6047 (umulhisi3_r): Likewise.
6049 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6052 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6053 x < 19, vs wchar_t support.
6055 2006-07-12 Nick Clifton <nickc@redhat.com>
6057 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6058 instead of -isa=sh4.
6060 2006-07-12 Mike Stump <mrs@apple.com>
6062 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6064 2006-07-10 Eric Christopher <echristo@apple.com>
6066 * config/t-slibgcc-darwin: Rewrite.
6068 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6071 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6074 2006-07-08 Matthias Klose <doko@debian.org>
6076 * doc/sourcebuild.texi: Fix typo.
6078 2006-07-07 Mike Stump <mrs@apple.com>
6080 * toplev.c (process_options): Don't give -ffunction-sections may
6081 affect debugging warning for Mach-O.
6083 2006-07-07 James E Wilson <wilson@specifix.com>
6085 * config/mips/mips.md (cpu): Add sb1a.
6086 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6087 addition to sb1. Adjust comments to clarify SB-1A differences from
6089 (ir_sb1a_load): New. Modify bypasses to use it.
6090 (ir_sb1a_simple_alu): Likewise.
6091 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6092 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6093 (mips_issue_rate): Add PROCESSOR_SB1A.
6094 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6095 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6096 (TARGET_SB1): Add PROCESSOR_SB1A check.
6097 (TUNE_SB1): Likewise.
6099 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6100 * config/mips/mips.c (mips_store_data_bypass_p): New.
6101 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6102 store_data_bypass_p.
6104 2006-07-08 Paul Brook <paul@codesourcery.com>
6107 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6109 2006-07-07 Richard Guenther <rguenther@suse.de>
6112 * tree.h (build_one_cst): Declare.
6113 * tree.c (build_one_cst): New function.
6114 * tree-ssa-math-opts.c (get_constant_one): Remove.
6115 (insert_reciprocals): Use build_one_cst.
6116 * fold-const.c (fold_plusminus_mult): Likewise.
6118 2006-07-07 Roger Sayle <roger@eyesopen.com>
6120 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6121 * cfgloopanal.c (dump_graph): Likewise.
6122 * dojump.c (discard_pending_stack_adjust): Likewise.
6123 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6125 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6126 * function.c (finalize_block_changes): Likewise.
6127 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6128 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6129 * rtl.c (dump_rtx_statistics): Likewise.
6130 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6132 * varray.c (dump_varray_statistics): Likewise.
6133 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6134 decode_decimal64, encode_decimal128, decode_decimal128,
6135 decimal_real_to_decimal): Likewise.
6137 2006-07-07 Richard Guenther <rguenther@suse.de>
6139 PR tree-optimization/28187
6140 * tree-vrp.c (vrp_operand_equal_p): New function.
6141 (vrp_bitmap_equal_p): Likewise.
6142 (update_value_range): Use them to compare old and new
6145 2006-07-06 Roger Sayle <roger@eyesopen.com>
6147 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6148 a default case to switch statement to silence compiler warnings.
6150 2006-07-06 Roger Sayle <roger@eyesopen.com>
6153 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6154 the configured assembler supports the x87's ffreep mnemonic.
6155 * configure: Regenerate.
6156 * config.in: Regenerate.
6158 * config/i386/i386.c (output_387_ffreep): New function.
6159 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6160 (output_387_reg_move): Likewise.
6162 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6164 Port to hosts whose 'sort' and 'tail' implementations
6165 treat operands with leading '+' as file names, as POSIX
6166 has required since 2001. However, make sure the code still
6167 works on pre-POSIX hosts.
6168 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6169 which says you should use "tail -c +N" rather than "tail +Nc".
6170 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6172 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6174 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6177 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6180 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6181 PRE_{INC,DEC} of TFmode.
6183 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6184 Alan Modra <amodra@bigpond.net.au>
6187 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6190 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6193 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6194 Remove duplicate gtu.
6196 2006-07-05 Jason Merrill <jason@redhat.com>
6200 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6201 * c-common.c (handle_packed_attribute): So don't copy it here.
6202 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6204 2006-07-05 Mike Stump <mrs@apple.com>
6206 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6208 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6211 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6213 2006-07-05 Richard Guenther <rguenther@suse.de>
6216 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6217 TARGET_SSE2 targets if using SSE math.
6218 (*absdf2_1): Likewise.
6220 2006-07-05 Richard Guenther <rguenther@suse.de>
6222 PR tree-optimization/28162
6223 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6224 make sure to convert the operands to the correct type.
6226 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6228 PR tree-optimization/28218
6230 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6231 to calculate and free the dominator information.
6233 2006-07-04 Peter O'Gorman <peter@pogma.com>
6235 * mklibgcc.in: chmod 644 before ranlib during install.
6237 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6238 J"orn Rennecke <joern.rennecke@st.com>
6240 * configure.ac (.eh_frame data check): Use diff -b.
6242 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6245 * Makefile.in (BUILD_RTL): Add build/vec.o.
6246 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6247 (build/genextract): Delete.
6248 (build/genautomata): Likewise.
6250 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6253 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6254 128-bit IBM long doubles for ABI_V4.
6256 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6258 * tree.c (range_in_array_bounds_p): New predicate.
6259 * tree.h (range_in_array_bounds_p): Declare it.
6260 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6261 return a less conservative answer.
6262 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6263 and flag 'is_group'.
6264 (IS_ELEMENT_FOR_GROUP): New macro.
6265 (FOR_EACH_ACTUAL_CHILD): Likewise.
6266 (next_child_for_group): New helper function.
6267 (can_completely_scalarize_p): Take into account groups.
6268 (sra_hash_tree): Handle RANGE_EXPR.
6269 (sra_elt_eq): Likewise.
6270 (lookup_element): Be prepared for handling groups.
6271 (is_valid_const_index): Delete.
6272 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6273 instead of is_valid_const_index.
6274 <ARRAY_RANGE_REF>: New case.
6275 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6276 is_valid_const_index.
6277 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6278 (scan_dump): Dump info for groups too.
6279 (decide_instantiation_1): Likewise.
6280 (decide_block_copy): Assert that the element is not a group.
6281 Propagate decision to groups.
6282 (generate_one_element_ref): Handle RANGE_EXPR.
6283 (mark_no_warning): Iterate over actual childs.
6284 (generate_copy_inout): Likewise.
6285 (generate_element_copy): Likewise.
6286 (generate_element_zero): Likewise.
6287 (generate_element_init_1): Likewise.
6288 (dump_sra_elt_name): Handle RANGE_EXPR.
6290 2006-07-03 Roger Sayle <roger@eyesopen.com>
6292 PR tree-optimization/26251
6293 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6294 (thread_block): When optimizing for size refuse to thread jumps
6295 that would require duplication of blocks other than redirection
6298 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6300 * configure.ac: Fix thinko in previous check-in.
6301 * configure: Regenerate.
6303 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6306 * configure.ac (for lang...): Simplify nesting of conditionals.
6307 Test subdir_requires for non-enabled languages. Move processing
6308 of lang_opt_files and lang_tree_fiels below that test.
6309 * configure: Regenerate.
6310 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6312 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6314 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6316 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6318 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6321 2006-06-29 Jason Merrill <jason@redhat.com>
6328 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6329 * c-common.c (c_determine_visibility): Handle it here.
6330 * c-decl.c (finish_decl): Call c_determine_visibility for
6332 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6334 * varasm.c (default_assemble_visibility): Likewise.
6335 * c-common.c (handle_visibility_attribute): Complain about trying
6336 to give visibility to an already defined class, or trying to change
6337 declared visibility. Always attach the attribute.
6342 * attribs.c (decl_attributes): Ignore type-in-place attributes
6343 once the type has been defined.
6345 2006-06-29 Roger Sayle <roger@eyesopen.com>
6348 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6349 to indicate the cpplib has issued an error message for us.
6351 2006-06-29 Asher Langton <langton2@llnl.gov>
6354 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6355 insert a label at the end of an function under Mach-O.
6357 2006-06-29 Eric Christopher <echristo@apple.com>
6358 Evan Cheng <evan.cheng@apple.com>
6360 * predicates.md (vector_all_ones_operand): New.
6361 (nonimmediate_or_sse_const_operand): Ditto.
6362 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6363 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6364 (standard_sse_mode_p): Ditto.
6365 (standard_sse_constant_p): Add case for -1 vector.
6366 (ix86_expand_vector_move): Try to use.
6367 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6368 Call standard_sse_constant_opcode.
6369 (*movv4sf_internal): Ditto.
6370 (*movv2df_internal): Ditto.
6372 2006-06-29 Roger Sayle <roger@eyesopen.com>
6374 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6375 of XEXP to extract the operands of a MATCH_CODE rtx.
6377 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6379 * tree.c (tree_size): Do not waste tail padding in
6380 struct tree_string and make the size be the same as
6381 build_string will generate.
6383 2006-06-28 Jason Merrill <jason@redhat.com>
6386 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6387 may_aliases already in the tag's annotations to the bitmap.
6389 2006-06-28 Roger Sayle <roger@eyesopen.com>
6391 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6393 2006-06-28 Roger Sayle <roger@eyesopen.com>
6395 * genpreds.c (generate_switch_p): New function.
6396 (add_mode_tests): Push the new mode test down inside an AND expr
6397 if this allows the switch-suitable MATCH_CODE to be near the root.
6398 (write_match_code_switch): New function to write a MATCH_CODE as
6400 (write_predicate_stmts): New function to write a predicate RTX
6401 expression as a sequence of statements.
6402 (write_one_predicate_function): Use write_predicate_stmts.
6403 (write_tm_constrs_h): Likewise.
6405 2006-06-26 Fred Fish <fnf@specifix.com>
6407 * config/mips/t-sb1: New file.
6408 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6411 2006-06-26 DJ Delorie <dj@redhat.com>
6413 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6415 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6416 Jayant Sonar <jayants@kpitcummins.com>
6417 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6419 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6420 (subsi3, subsi3_1, subsi3_2): New.
6421 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6422 * config/m32c/mov.md (SI mov peephole): New.
6423 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6424 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6426 2006-06-26 Olivier Hainque <hainque@adacore.com>
6428 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6429 a CALL_EXPR target function declaration.
6431 2006-06-26 Richard Guenther <rguenther@suse.de>
6433 * tree.c (build_string): Do not waste tail padding in
6436 2006-06-26 Richard Guenther <rguenther@suse.de>
6438 * ggc-page.c (init_ggc): Add missing element to size_lookup
6442 2006-06-23 Richard Guenther <rguenther@suse.de>
6444 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6445 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6446 alignment requests instead. Add verification code.
6447 Add struct tree_function_decl and struct tree_binfo size to
6448 extra_order_size_table. Add missing element to size_lookup
6451 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6454 * fold-const.c (const_binop): Be prepared for self returning zero.
6455 Simplify code handling complex values.
6457 2006-06-24 Olivier Hainque <hainque@adacore.com>
6459 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6460 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6463 2006-06-24 Olivier Hainque <hainque@adacore.com>
6465 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6466 ARRAY_REF, so have the callback called for the low bound expression.
6468 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6470 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6471 * c-typeck.c (c_common_type): Disallow operations on decimal float
6472 types and other float types.
6473 * convert.c (convert_to_real): Don't ignore conversions involving
6474 decimal float types.
6476 2006-06-23 Olivier Hainque <hainque@adacore.com>
6478 * tree.c (max_int_size_in_bytes): New function, inspired from
6479 code in function.c:assign_temp.
6480 * tree.h (max_int_size_in_bytes): Declare.
6481 * function.c (assign_temp): Use it.
6482 * gimplify.c (create_tmp_var): Relax the assertions on the type
6483 properties, not mandating constant size any more.
6484 (force_constant_size): New static function.
6485 (gimple_add_tmp_var): Use it, forcing variable size to a
6486 constant upper bound if it is not constant on entry.
6488 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6491 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6492 for initialization and setting of one_only flag to ...
6493 (i386_pe_encode_section_info): ...here.
6494 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6495 Recheck that the symbol has not been defined.
6497 2006-06-23 Richard Guenther <rguenther@suse.de>
6499 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6500 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6501 alignment requests instead. Add verification code.
6502 Add struct tree_function_decl and struct tree_binfo size to
6503 extra_order_size_table. Add missing element to size_lookup
6506 2006-06-22 Roger Sayle <roger@eyesopen.com>
6507 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6510 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6511 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6513 2006-06-23 Ben Elliston <bje@au.ibm.com>
6515 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6516 negate dn -- manipulate it directly.
6518 2006-06-22 Roger Sayle <roger@eyesopen.com>
6519 Steven Bosscher <stevenb.gcc@gmail.com>
6522 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6523 generated by gen_move_insn to add REG_LABEL notes if necessary.
6525 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6527 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6528 (leaf_entry): Remove use of MIN_ESA.
6530 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6532 PR rtl-optimization/28121
6533 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6536 2006-06-21 DJ Delorie <dj@redhat.com>
6538 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6540 (mulhisi3_r): Likewise.
6542 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6545 * coverage.c (coverage_counter_alloc): Leave the index type
6547 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6550 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6552 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6553 section from the "Options for Code Generation Conventions".
6555 2006-06-21 Richard Henderson <rth@redhat.com>
6559 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6561 (global_symbolic_operand): Allow weak symbols, even if local_p.
6563 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6565 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6566 (find_interesting_uses_address): Punt if above function returns true.
6568 2006-06-21 Richard Guenther <rguenther@suse.de>
6570 * configure: Regenerated.
6572 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6574 * config/mips/mips.c (function_arg): Where one part of a
6575 complex argument is in registers and the other part in the stack,
6576 return a REG not a PARALLEL.
6578 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6580 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6581 when cross-compiling. Do not substitute libstdcxx_incdir.
6582 * configure: Regenerated.
6584 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6586 * varasm.c (mergeable_string_section): Check for embedded NULs and
6587 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6588 rather than TREE_STRING_LENGTH bytes.
6590 2006-06-21 Richard Guenther <rguenther@suse.de>
6592 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6593 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6596 2006-06-21 Richrad Guenther <rguenther@suse.de>
6598 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6599 Limit iteration over the dominators.
6601 2006-06-20 Roger Sayle <roger@eyesopen.com>
6603 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6604 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6606 2006-06-20 Richard Guenther <rguenther@suse.de>
6607 Michael Matz <matz@suse.de>
6609 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6611 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6612 * et-forest.h (et_free_pools): Prototype new function.
6613 * et-forest.c (et_free_tree_force): Free parent occurrence.
6614 (et_free_pools): New function.
6615 * dominance.c (free_dominance_info): Free et-forest alloc
6618 2006-06-20 Roger Sayle <roger@eyesopen.com>
6620 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6621 integer modes, attempt to directly construct an integer constant.
6623 * fold-const.c (native_encode_vector): Determine the size of each
6624 element from the vector type instead of the first vector element.
6626 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6627 if all of its elements/components are constant.
6628 (build_constructor_from_list): Likewise.
6630 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6632 PR tree-optimization/27331
6633 * tree-data-ref.c (free_data_ref): New function.
6634 (create_data_ref): Fail if the data reference has unknown access
6636 (free_data_refs): Use free_data_ref.
6638 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6641 * tree-inline.c (setup_one_parameter): Strip useless
6642 type conversion before adding it to the IR.
6643 (declare_return_variable): Likewise.
6645 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6648 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6650 2006-06-19 Mike Stump <mrs@apple.com>
6652 * tree.c (variably_modified_type_p): VM arguments don't make the
6655 2006-06-19 Richard Guenther <rguenther@suse.de>
6657 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6658 type conversions after folding.
6660 2006-06-19 Richard Guenther <rguenther@suse.de>
6662 * ggc-page.c (extra_order_size_tab): Add entries with
6663 size of struct function and basic_block.
6664 (size_lookup): Extend to cover sizes up to 511.
6665 (ggc_alloc_stat): Adjust user.
6666 (ggc_pch_count_object): Likewise.
6667 (ggc_pch_alloc_object): Likewise.
6668 (ggc_pch_write_object): Likewise.
6670 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6672 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6673 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6676 2006-06-19 Denis Chertykov <denisc@overta.ru>
6678 * config/avr/libgcc.S : Correct my wrong previous commit.
6680 2006-06-19 Roger Sayle <roger@eyesopen.com>
6683 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6684 have stripped a SUBREG from the shift count, so we may need to
6685 convert_to_mode back to the type's mode before calling make_tree.
6686 Use new_amount instead of amount to avoid expanding a tree twice.
6688 2006-06-19 Richard Guenther <rguenther@suse.de>
6691 * fold-const.c (operand_equal_p): Check if the argument types
6692 have the same precision before stripping NOPs.
6694 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6696 Fix PR tree-optimization/27341
6697 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6699 * tree-complex.c (pass_lower_complex): Update SMT usage.
6701 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6703 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6704 Add a new alternative to the constraint strings. Add move of
6705 operand 1 to 3 to the splitter definition.
6706 ("doloop_si_long"): Second contraint alternative removed.
6708 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6710 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6711 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6713 (AVR_HAVE_MOVW) Define.
6714 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6715 (ASM_SPEC): Add avr25.
6716 (LINK_SPEC): Add avr25.
6717 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6718 (base_arch_s): Add new member 'have_movw_lpmx'.
6719 (avr_arch_types): Init 'have_movw_lpmx'.
6720 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6721 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6722 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6723 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6724 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6726 (avr_file_start): Do not output '.arh' derective.
6727 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6728 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6729 * config/avr/avr.md (mcu_enhanced): Delete.
6730 (mcu_have_movw): Define.
6731 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6732 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6733 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6734 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6735 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6736 attiny861 and at86rf401 devices.
6738 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6740 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6743 2006-06-17 Karl Berry <karl@gnu.org>
6745 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6746 doc/gccint.texi, doc/install.texi (@dircategory): Use
6747 "Software development" instead of "Programming", following
6748 the Free Software Directory.
6750 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6752 * config/i386/i386.c (legitimate_tls_address)
6753 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6754 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6755 (*tls_dynamic_gnu2_combine_64): Likewise.
6757 2006-06-16 Richard Guenther <rguenther@suse.de>
6760 * fold-const.c (negate_expr_p): Do not introduce undefined
6761 overflow in negating INTEGER_CSTs.
6762 (fold_negate_expr): Rename from negate_expr. Revert last
6763 change for folding BIT_NOT_EXPR. Change semantics to
6764 return NULL_TREE for non-simplified negations. Do not
6765 strip type conversions and unify type handling.
6766 (negate_expr): New function, wrap around fold_negate_expr
6767 but ensure building a tree always. Strip type conversions
6768 here, fold to result type.
6769 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6771 2006-06-16 Roger Sayle <roger@eyesopen.com>
6774 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6775 that (would) return their results in stack registers.
6777 2006-06-16 Michael Matz <matz@suse.de>
6778 Richard Guenther <rguenther@suse.de>
6780 * fold-const.c (fold_truthop): Only return new tree node if
6781 we canonicalized something.
6783 2006-06-16 Richard Guenther <rguenther@suse.de>
6785 * function.h (enum function_frequency): Move declaration
6786 out of struct function.
6787 (struct function): Move bool fields and the enum to the bitfield
6788 section. Reorder elements to avoid padding. Remove unused
6789 fields left over from the RTL inliner removal.
6790 * function.c (free_after_compilation): Do not zero removed fields.
6791 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6792 (ipa-type-escape.o): Likewise.
6794 2006-06-16 Richard Guenther <rguenther@suse.de>
6796 * cgraph.h (struct cgraph_local_info): Turn bool elements
6798 (struct cgraph_node): Likewise.
6799 (struct cgraph_varpool_node): Likewise.
6801 2006-06-15 Richard Guenther <rguenther@suse.de>
6803 * fold-const.c (fold_truth_not_expr): Rename from
6804 invert_truthvalue. Give it fold_* semantics to avoid
6806 (invert_truthvalue): New function. Wrapper around
6807 fold_truth_not_expr.
6808 (optimize_minmax_comparison): Avoid creating garbage.
6809 (fold_unary): Use fold_truth_not_expr for folding
6811 (fold_ternary): Replace uses of invert_truthvalue with
6812 fold_truth_not_expr where applicable.
6813 * tree.h (fold_truth_not_expr): Prototype.
6815 2006-06-16 Richard Guenther <rguenther@suse.de>
6817 PR tree-optimization/27781
6818 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6819 * ipa-pure-const.c (target.h): Include.
6820 (analyze_function): Do not analyze functions that do not
6823 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6826 * tree-dfa.c (referenced_vars_dup_list): Remove.
6827 (find_referenced_vars): Remove assert.
6828 (referenced_var_check_and_insert): Replace dup list with assert.
6829 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6830 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6832 2006-06-15 Richard Guenther <rguenther@suse.de>
6834 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6835 extra unused identifiers if not dumping.
6836 (create_variable_info_for): Likewise.
6838 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6840 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6841 (derive_constant_upper_bound): Derive more precise upper bound in
6842 common cases. Return type changed to double_int.
6843 (record_estimate): Reflect the changed return type of
6844 derive_constant_upper_bound.
6845 * double-int.c (double_int_zext, double_int_sext): Fix.
6847 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6849 * configure.ac (CFLAGS): Get them from the toplevel or from the
6850 configure invocation.
6851 * configure: Regenerate.
6852 * Makefile.in (CFLAGS): Substitute value provided by configure.
6854 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6857 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6858 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6859 rather than calling add_stmt on it.
6860 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6862 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6865 * reload1.c (reload): Remove registers returned by update_eliminables
6866 from used_spill_regs.
6868 2006-06-13 DJ Delorie <dj@redhat.com>
6870 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6872 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6874 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6875 html__strip_dir, html__mkdir_p. Enhance install-html target.
6876 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6877 * configure: Regenerate.
6879 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6881 * fold-const.c (fold_cond_expr_with_comparison): Check for
6882 Objective-C++ as language in deciding COND_EXPR transformation.
6884 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6887 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6888 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6889 * config/sh/lib1funcs.h (SL, SL1): Define.
6890 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6891 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6892 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6893 (OBJS_Os_4_200): New variable.
6894 ($(T)libgcc-Os-4-200.a): Use it.
6895 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6896 when dividing 1 and/or by 0.
6898 2006-06-13 Roger Sayle <roger@eyesopen.com>
6900 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6901 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6902 * configure: Regenerate.
6904 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6906 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6907 for real instruction.
6909 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6912 * haifa-sched.c (check_cfg): Handle special case.
6914 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6917 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6918 Add debug_info parameter. Chain the vars to the BLOCK instead
6919 of the BIND_EXPR if debug info are requested for them.
6920 (pop_gimplify_context): Adjust for above change.
6921 (gimple_add_tmp_var): Likewise.
6922 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6924 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6925 (convert_local_reference): Likewise.
6926 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6927 (finalize_nesting_tree_1): Request that debug info be emitted
6928 for debug_var_chain.
6930 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6932 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6933 for PR target/27863.
6935 2006-06-13 Richard Guenther <rguenther@suse.de>
6938 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6940 2006-06-13 Richard Guenther <rguenther@suse.de>
6942 PR tree-optimization/27830
6943 * tree-inline.c (copy_body_r): For copying the operand
6944 of an ADDR_EXPR make sure to fold &* afterwards.
6946 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6948 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6949 lvalues in the fb_none case with side-effects.
6951 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6953 * tree-flow.h: Remove the prototype for
6954 compute_phi_arg_on_exit.
6955 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6956 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6959 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6961 * builtins.c (expand_builtin_return_addr): Only use
6962 frame_pointer_rtx when count == 0 and we are expanding
6963 __builtin_return_address.
6965 2006-06-12 Fred Fish <fnf@specifix.com>
6967 * config/mips/mips.c (mips_file_start): Create special section
6968 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6970 2006-06-11 Eric Christopher <echristo@apple.com>
6973 * stor-layout.c (place_field): Remove check for
6974 remaining_in_alignment when aligning at the end of a run.
6976 2006-06-11 Eric Christopher <echristo@apple.com>
6979 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6982 2006-06-11 Roger Sayle <roger@eyesopen.com>
6985 Revert incorrect fix for PR target/27158
6986 2006-05-08 Roger Sayle <roger@eyesopen.com>
6987 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6988 of a reg_equiv_constant if the result is a legitimate constant.
6990 2006-06-11 Roger Sayle <roger@eyesopen.com>
6993 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6994 extract a CONST_VECTOR element and interpret it as an integer.
6995 (vspltis_constant): Use const_vector_elt_as_int instead of the
6996 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6997 * config/rs6000/predicates.md (easy_vector_const): Consider
6998 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7000 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7003 * stor-layout.c (update_alignment_for_field): Don't add extra
7004 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7007 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7009 * config/mips/t-rtems: Add EL/EB multilib variants.
7011 2006-06-09 Mike Stump <mrs@apple.com>
7013 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7015 2006-06-09 David Daney <ddaney@avtrex.com>
7017 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7019 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7021 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7023 2006-06-09 Richard Guenther <rguenther@suse.de>
7025 PR tree-optimization/26998
7026 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7027 of signed types, only TYPE_MIN_VALUE is special, but for both,
7028 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7029 in this case, as is -fwrapv.
7031 2006-06-08 Mike Stump <mrs@apple.com>
7034 * config/darwin.c (darwin_asm_output_anchor): Disable
7035 -fsection-anchors on darwin for now.
7036 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7037 * rs6000/rs6000.c (optimization_options): Likewise.
7039 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7042 * config/i386/i386.c (classify_argument): Skip fields with invalid
7045 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7047 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7048 (cse_insn): Likewise for the stack_pointer_rtx.
7050 2006-06-08 Roger Sayle <roger@eyesopen.com>
7052 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7053 conditions from floating point comparisons.
7055 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7058 * expmed.c (struct alg_hash_entry): Fix type of field T
7059 to match synth_mult argument.
7060 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7062 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7065 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7068 2006-06-08 Richard Guenther <rguenther@suse.de>
7071 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7072 only, if overflow is defined and not trapping.
7073 (negate_expr): Likewise.
7075 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7077 PR tree-optimization/27872
7078 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7079 flag on the new exit edge of the unrolled loop.
7081 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7083 PR rtl-optimization/26449
7084 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7086 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7089 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7090 referenced_variables with matching DECL_UID's.
7091 (find_referenced_vars): Make sure duplicate list is empty to start.
7092 (referenced_var_p): Remove.
7093 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7094 Check if var is in the list, and add if needed. Update the duplicate
7095 list if a different var is in the list with the same DECL_UID.
7096 (add_referenced_var): Call routine to check and insert.
7097 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7098 * tree-flow.h (referenced_vars_dup_list): External declaration.
7100 2006-06-07 Fred Fish <fnf@specifix.com>
7102 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7105 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7108 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7109 the imaginary and real parts of a clobbered register.
7110 Emit insn to set the imaginary part.
7112 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7114 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7115 in lieu of unwind-dw2-fde.c.
7117 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7119 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7121 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7124 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7125 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7126 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7127 V4SImode temporaries and operations instead.
7129 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7131 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7134 2006-06-06 Mike Stump <mrs@apple.com>
7136 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7137 installing during build.
7139 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7141 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7143 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7144 * config/ia64/ia64.c (params.h): New header.
7145 (ia64_optimization_options): New function to adjust parameters.
7146 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7147 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7148 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7150 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7152 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7154 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7157 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7159 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7160 Victor Kaplansky <victork@il.ibm.com>
7162 PR tree-optimization/26360
7163 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7166 2006-06-04 Roger Sayle <roger@eyesopen.com>
7167 Andrew Pinski <pinskia@physics.uc.edu>
7170 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7171 for LABEL_DECL before calling DECL_WEAK.
7174 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7175 LABEL_DECL and PARM_DECL.
7177 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7181 * c-decl.c (grokdeclarator): Disallow variably modified types at
7182 file scope. Avoid marking shared array type of constant size as
7185 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7188 * c-common.c (fold_offsetof_1): Handle static members.
7190 2006-06-04 Eric Christopher <echristo@apple.com>
7192 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7193 (debug_rli): Output value for remaining_in_alignment.
7194 (update_alignment_for_field): Unconditionalize
7195 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7196 extra alignment code.
7197 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7198 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7199 * tree.h (record_layout_info_s): Remove prev_packed.
7200 * doc/extend.texi (ms_struct): Add documentation of format.
7202 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7204 * tree.h: Declare folding_initializer.
7205 * builtins.c (fold_builtin_constant_p): Give definite answer
7206 if folding inside an initializer.
7207 * fold-const.c: Define folding_initializer.
7208 (START_FOLD_INIT): Save and then set folding_initializer.
7209 (END_FOLD_INIT): Restore folding_initializer.
7211 2006-06-04 Richard Guenther <rguenther@suse.de>
7213 PR tree-optimization/27039
7214 * fold-const.c (fold_comparison): Handle pointer comparison
7215 again for all comparison codes. Compare offsets in signed
7217 (fold_binary): Move code from here.
7219 2006-06-03 Roger Sayle <roger@eyesopen.com>
7222 * config/i386/i386.c (construct_container): Split static issued_error
7223 flag into issued_sse_arg_error, issued_sse_ret_error and
7224 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7225 requires the use of x87 registers and the user explicitly
7226 specified the -mno-80387 command line option.
7228 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7230 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7231 HAVE_DECL_SIGALTSTACK.
7233 (segv_handler): Use MC_FLD.
7234 * configure.ac: Check for a sigaltstack declaration.
7235 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7236 * configure: Regenerate.
7237 * config.in: Regenerate.
7239 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7242 * Makefile.in (stmp-fixinc): Fix typo.
7244 2006-06-02 Roger Sayle <roger@eyesopen.com>
7246 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7247 are type correct. Clean-up.
7248 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7249 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7251 2006-06-01 DJ Delorie <dj@redhat.com>
7253 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7254 shift, as we've disabled the "switch" insn that needs it.
7256 2006-06-01 Per Bothner <bothner@bothner.com>
7258 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7259 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7260 * c-ppoutput.c (cb_define): Don't increment line 0.
7262 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7264 * doc/invoke.texi: Add cpu_type power6.
7265 * config.gcc: Add cpu_type power6.
7266 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7267 to power5+ with Altivec.
7268 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7269 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7271 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7273 * config/avr/avr.h (SET_ASM_OP): Define.
7275 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7277 * config/bfin/bfin.c: Fix comment typos.
7279 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7282 * doc/install.texi: Document --enable-bootstrap and
7283 --disable-bootstrap.
7285 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7287 * doc/install.texi: Document that InfoZIP can replace jar.
7289 2006-05-31 Roger Sayle <roger@eyesopen.com>
7291 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7292 isn't available, directly generate the simpler x87 patterns without
7293 the (use (const_int 0)).
7294 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7295 implementation isn't available.
7296 (*negdf2_1): Likewise.
7297 (*negxf2_1): XF mode negation is always done using the x87.
7298 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7300 2006-05-31 Roger Sayle <roger@eyesopen.com>
7302 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7303 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7305 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7307 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7309 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7310 * config/bfin/bfin.c (basic-block.h): Include.
7311 (struct machine_function): New.
7312 (bfin_init_machine_status): New.
7313 (override_options): Initialize init_machine_status.
7314 (bfin_hardware_loop): New.
7315 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7316 (DEF_VEC_P (loop_info)): New.
7317 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7318 (struct loop_info): New.
7319 (loop_info): New typedef.
7320 (struct loop_work): New.
7321 (loop_work): New typedef.
7322 (DEF_VEC_O (loop_work)): New.
7323 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7324 (bfin_dump_loops): New.
7325 (bfin_bb_in_loop): New.
7326 (bfin_scan_loop): New.
7327 (bfin_optimize_loop): New.
7328 (bfin_reorg_loops): New.
7329 (bfin_reorg): Use bfin_reorg_loops.
7330 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7332 (I_REGNO_P): Simplify.
7333 (DP_REGNO_P, DPREG_P): New macros.
7334 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7335 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7336 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7337 Add LT_REGS, LC_REGS, LB_REGS.
7338 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7340 (REGNO_REG_CLASS): Deal with loop registers.
7341 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7343 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7344 New constants for loop registers.
7345 (UNSPEC_LSETUP_END): New.
7346 (seq_insns): New define_attr. Set it for appropriate insns.
7347 (movsi_insn): Add alternatives for move from/to
7348 loop count registers.
7349 (doloop_end): New define_expand.
7350 (loop_end): New define_insn.
7351 (define_split for bad doloop_end): New.
7352 (lsetup_with_autoinit): New define_insn.
7353 (lsetup_without_autoinit): New define_insn.
7354 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7355 * config/bfin/predicates.md (lc_register_operand): New.
7356 (lt_register_operand): New.
7357 (lb_register_operand): New.
7358 (nondp_register_operand): New.
7359 (nondp_reg_or_memory_operand): New.
7360 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7362 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7364 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7365 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7367 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7369 * Makefile.in (CATALOGS): Add po/ prefix.
7370 * configure: Regenerated.
7372 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7375 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7376 a shift operand before calling shift_op. Avoid redundant call of
7379 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7380 DJ Delorie <dj@redhat.com>
7382 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7383 we're inserting is a singlt-bit constant.
7385 2006-05-30 Roger Sayle <roger@eyesopen.com>
7387 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7388 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7390 2006-05-30 Roger Sayle <roger@eyesopen.com>
7392 PR tree-optimization/23452
7393 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7394 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7395 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7396 complex values and with -ffast-math for FP complex values.
7398 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7400 * c-common.h: Remove the prototype for yyparse.
7401 * rtl.h: Remove the prototype for init_loop.
7403 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7405 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7408 2006-05-30 Roger Sayle <roger@eyesopen.com>
7410 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7412 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7413 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7415 2006-05-30 Dirk Mueller <dmueller@suse.de>
7418 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7419 for CONSTANT_CLASS_P expresisons.
7421 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7424 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7426 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7428 PR tree-optimization/27779
7429 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7430 initial_condition instead of CHREC_LEFT.
7432 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7434 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7435 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7436 Make prototypes ISO C90.
7438 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7439 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7441 * see.c (see_analyze_one_def): Correct check.
7442 (see_get_extension_data): Check if extension is parallel.
7443 (see_get_extension_reg): Likewise.
7445 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7448 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7449 into register for (code == GTU).
7451 2006-05-29 Roger Sayle <roger@eyesopen.com>
7453 PR tree-optimization/24964
7454 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7455 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7456 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7457 abs(x)*abs(x) as x*x for scalar floating point modes.
7459 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7462 * lambda-code.c (perfect_nestify): Don't copy statements
7463 in the inner loop: move them to the inner loop header.
7465 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7468 * c-tree.texi: Document OpenMP directives and clauses.
7470 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7472 * varasm.c (globalize_decl): Fix indentation.
7474 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7477 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7478 pass_fre, pass_store_ccp, pass_copy_prop,
7479 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7480 pass_return_slot, pass_object_size, pass_lim,
7481 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7482 pass_loop_prefetch and pass_stdarg.
7484 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7486 * config/bfin/bfin.opt (mfdpic): New option.
7487 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7488 (EXTRA_MULTILIB_PARTS): Likewise.
7489 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7490 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7492 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7493 (CRT_CALL_STATIC_FUNCTION): New.
7494 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7496 (CRT_CALL_STATIC_FUNCTION): New.
7497 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7499 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7500 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7501 (initialize_trampoline): Changed to handle FD-PIC code generation.
7502 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7503 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7504 (override_options): Disallow -mid-shared-library -mfdpic combination.
7505 Can't do unaligned ops if FD-PIC.
7506 Turn off flag_pic if trying to generate non-id-shared-library
7507 non-fdpic code, since it's not supported.
7508 (bfin_assemble_integer): New function.
7509 (TARGET_ASM_INTEGER): Define.
7510 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7512 * config/bfin/crtn.s: Restore them.
7513 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7515 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7516 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7517 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7518 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7519 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7521 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7522 FDPIC_REGS and FDPIC_FPTR_REGS.
7523 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7524 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7525 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7526 (load_funcdescsi): New pattern.
7527 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7528 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7529 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7531 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7533 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7536 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7538 * tree-flow.h: Remove the prototype for add_type_alias.
7539 * tree-ssa-alias.c (add_type_alias): Remove.
7541 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7543 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7544 config/fr30/fr30.md, config/i386/i386-interix.h,
7545 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7546 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7547 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7548 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7549 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7550 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7551 Follow spelling conventions.
7552 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7553 Follow spelling conventions.
7555 2006-05-27 Richard Guenther <rguenther@suse.de>
7558 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7559 to produce a constant of value 1 of generic type.
7561 2006-05-27 Dirk Mueller <dmueller@suse.de>
7563 * cgraphunit.c (decide_is_function_needed): Fix wrong
7566 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7568 PR rtl-optimization/27661
7569 * reload.c (find_reloads): When reloading a VOIDmode constant
7570 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7571 use Pmode as mode of the reload register.
7573 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7575 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7576 is enabled at -O and above.
7578 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7581 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7584 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7587 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7588 for anonymous variables explicitly declared by front ends.
7590 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7592 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7593 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7594 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7595 ref-all pointers, run a finalization pass for them.
7596 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7597 (finalize_ref_all_pointers): New function.
7598 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7599 regular pointer type to a ref-all pointer type.
7600 (get_tmt_for): Return the special memory tag for ref-all pointers.
7602 2006-05-25 Richard Guenther <rguenther@suse.de>
7605 * fold-const.c (fold_binary): Do not look at the stripped
7606 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7608 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7610 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7611 for LT and GT if the computed range is effectively empty.
7613 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7616 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7617 mips_quad_format formats instead of ieee_single_format,
7618 ieee_double_format and ieee_quad_format formats, respectively.
7620 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7622 PR tree-optimization/27639
7623 PR tree-optimization/26719
7624 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7625 call to scev_probably_wraps_p.
7626 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7627 used_in_pointer_arithmetic_p, convert_step): Removed.
7628 (nowrap_type_p): New function.
7629 (scev_probably_wraps_p): Rewritten.
7630 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7631 chrec_convert if chrec_convert_aggressive might have been used.
7632 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7633 scev_direction): New functions.
7634 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7635 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7636 instead of convert_step.
7637 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7638 (convert_step): Declaration removed.
7639 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7641 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7643 * df-core.c: Added to header comments.
7644 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7645 df_ur_bb_info, df_urec_bb_info): Added comments.
7646 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7647 urec, ri problems): Fixed header comments.
7648 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7649 code from df_rd_transfer_function.
7651 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7653 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7654 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7655 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7657 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7659 * expr.c (undefined_operand_subword_p): New.
7660 (emit_move_multi_word): Do not generate move from undefined bits
7661 of a paradoxical subreg.
7663 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7665 PR rtl-optimization/27736
7666 * combine.c (replaced_rhs_value): New variable.
7667 (combine_instructions): Set it.
7668 (distribute_notes): When distributing a note in replaced_rhs_insn,
7669 check whether the value was used in replaced_rhs_value.
7671 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7674 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7675 add_referenced_var instead of add_referenced_tmp_var.
7676 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7677 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7679 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7680 tree_optimize_tail_calls_1): Use add_referenced_var.
7681 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7682 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7683 Use add_referenced_var.
7684 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7685 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7686 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7687 Use add_referenced_var.
7688 * tree-dfa.c (struct walk_state): Remove.
7689 (find_referenced_vars): Remove walk state and vars_found hash table.
7690 (make_rename_temp): Use add_referenced_var.
7691 (find_vars_r): Pass less parameters to add_referenced_var.
7692 (referenced_var_p): New. Is var in referenced_var hash table.
7693 (referenced_var_insert): Assert var isn't already in hash table.
7694 (add_referenced_var): Don't need walk_state parameter. Add var if it
7695 isn't already in the hash table.
7696 (add_referenced_tmp_var): Remove.
7697 (find_new_referenced_vars_1): Use add_referenced_var.
7698 * tree-ssa-pre.c (create_expression_by_pieces,
7699 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7700 Use add_referenced_var.
7701 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7702 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7703 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7705 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7706 vect_create_data_ref_ptr, vect_create_destination_var,
7707 vect_init_vector, vect_build_loop_niters,
7708 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7709 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7710 Use add_referenced_var.
7711 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7712 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7713 (add_referenced_var): Add prototype.
7714 * tree-ssa-structalias.c (get_constraint_for,
7715 intra_create_variable_infos): Use add_referenced_var.
7717 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7719 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7720 big-endian paradoxical subregs.
7721 * var-tracking.c (struct micro_operation_def): Document that,
7722 for modify micro operations, insn is the subsequent instruction.
7723 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7724 (var_reg_set, var_mem_set): ... new functions.
7725 (add_stores): Record subsequent insn.
7726 (compute_bb_dataflow): Use new functions for MO_USE.
7727 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7728 notes after the insn, and modify notes before the insn known
7729 to be the subsequent one.
7730 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7732 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7735 * config/i386/i386.c (ix86_expand_builtin): Use
7736 gen_sse3_monitor64 for TARGET_64BIT.
7738 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7740 PR rtl-optimization/26375
7741 PR rtl-optimization/26855
7742 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7744 (df_ru_bb_local_compute): Reversed statements and removed bogus
7745 comment explaining why they should be in wrong order.
7746 (df_ru_dump, df_rd_dump): Enhanced debug info.
7747 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7749 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7750 reaching uses and fixed space problem.
7752 2006-05-23 Jan Hubicka <jh@suse.cz>
7754 * cgraphunit.c (decide_is_function_needed): Also nested functions
7755 and functions declared inline can be optimized out at -O0.
7757 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7759 * doc/install.texi (Configuration): Remove reference to CrossGCC
7763 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7766 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7767 ix86_compare_emitted is non-NULL.
7769 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7772 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7775 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7777 PR rtl-optimization/25514
7778 * combine.c (replaced_rhs_insn): New variable.
7779 (combine_instructions): Set replaced_rhs_insn when trying to replace
7780 a SET_SRC with a REG_EQUAL note.
7781 (distribute_notes): Use replaced_rhs_insn when determining the live
7782 range of a REG_DEAD register.
7784 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7785 Anatoly Sokolov <aesok@post.ru>
7787 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7788 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7789 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7790 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7791 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7792 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7793 at90usb647, at90usb1286 and at90usb1287 devices.
7794 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7795 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7797 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7799 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7801 2006-05-22 Richard Guenther <rguenther@suse.de>
7804 2006-01-31 Richard Guenther <rguenther@suse.de>
7805 Paolo Bonzini <bonzini@gnu.org>
7807 * doc/install.texi (--disable-libgcc-math): Document.
7809 2006-05-22 Richard Guenther <rguenther@suse.de>
7812 2006-01-31 Richard Guenther <rguenther@suse.de>
7814 * doc/invoke.texi (-msselibm): Document.
7815 * target.h (expand_library_builtin): New target hook.
7816 * builtins.c (expand_builtin): Use expand_library_builtin.
7817 (default_expand_library_builtin): New function.
7818 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7819 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7820 (link_gcc_math_spec): Declare.
7821 (static_specs): Add link_gcc_math_spec.
7822 * expr.h (default_expand_library_builtin): Declare.
7823 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7824 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7825 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7826 * config/i386/i386.opt (msselibm): New target option.
7827 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7828 (ix86_init_sse_abi_builtins): New function.
7829 (ix86_expand_library_builtin): Likewise.
7830 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7831 (override_options): Handle error conditions wrt -msselibm.
7832 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7833 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7834 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7837 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7840 * c-common.c (self_promoting_args_p): Skip erroneous args.
7843 * c-decl.c (finish_struct): Skip erroneous fields.
7845 2006-05-22 Nick Clifton <nickc@redhat.com>
7847 * config/cris/cris.opt (march): Remove VarExists attribute.
7848 (max-stackframe=): Likewise.
7850 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7852 * doc/rtl.texi: Fix a typo.
7853 * see.c: Fix comment typos.
7855 * tree-ssa-structalias.h (alias_info): Remove num_references.
7857 2006-05-21 Mike Stump <mrs@apple.com>
7859 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7861 (darwin_pragma_options): Use BAD instead.
7862 (darwin_pragma_unused): Likewise.
7863 (darwin_pragma_ms_struct): Likewise.
7865 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7867 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7869 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7871 PR rtl-optimization/27671
7872 * simplify-rtx.c (simplify_relational_operation_1): Fix
7873 simplifications of (eq/ne (xor x y) y) and
7874 (eq/ne (xor x y) x).
7876 PR tree-optimization/26622.
7877 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7880 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7882 * tree-cfg.c: Prune whitespace.
7883 (debug_tree_cfg): Point to correct header containing the
7886 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7889 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7891 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7894 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7895 or sorry count is non zero.
7897 2006-05-20 Andreas Schwab <schwab@suse.de>
7899 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7901 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7902 Kenneth Zadeck <zadeck@naturalbridge.com>
7904 PR rtl-optimization/26855
7906 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7908 (df_scan_alloc): Added code to properly handle multiword hard
7909 registers and add all_blocks parameter.
7910 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7911 code to properly handle multiword hard registers.
7912 (df_rescan_blocks): Added code to remove deleted blocks from
7914 (df_ref_create_structure, df_ref_record): Added code to properly
7916 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7917 and set DF_REF_PARTIAL.
7918 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7919 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7920 (df_scan_add_problem): Added flags parameter.
7921 (df_ref_create_structure): Changed switching structure.
7922 (df_bb_refs_record): Fixed case where duplicate artificial refs
7923 were created. Changed location of flags.
7924 (df_record_entry_block_defs): Added code to make stack pointer
7925 live in entry block. Refined cases where frame pointer is needed.
7926 Changed location of flags.
7927 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7928 (df_set_state): Removed function.
7929 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7930 df_insn_create_insn_record, df_insn_refs_delete,
7931 df_ref_create_structure): Formatting changes.
7932 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7933 df_delete_basic_block): New function.
7934 (df_init): Changed location of flags.
7935 (df_add_problem): Added flags parameter and the way flags are
7937 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7938 debug_df_chain): Improved debugging output.
7939 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7940 (df_refs_chain_dump): Removed df parameter.
7941 (df_iterative_dataflow): Added consistency check.
7942 (df_prune_to_subcfg): Made public.
7943 (df_analyze_problem): Added blocks_to_init parameter and made
7945 (df_ref_record, df_bb_refs_record, df_mark_reg,
7946 df_record_exit_block_uses): Whitespace changes.
7947 (df_dump): Whitespace changes.
7948 * df.h: Some reordering to remove forward references.
7949 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7950 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7951 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7952 (dataflow.flags): New field.
7953 (df.flag): Deleted field.
7954 (df_alloc_function): Added additional bitmap parameter.
7955 (df_dependent_problem_function): New type.
7956 (df_problem.changeable_flags): New field.
7957 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7958 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7959 (df_mw_hardreg): New struct.
7960 (DF_INSN_UID_MWS): New macro.
7961 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7963 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7964 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7965 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7966 (df_set_state): Removed function.
7967 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7968 * df-problems.c (df_chain_dump): Removed df parameter.
7969 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7970 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7972 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7973 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7974 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7975 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7976 DF_REF_MUST_CLOBBER cases.
7977 (df_ru_bb_local_compute_process_def,
7978 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7979 df_lr_bb_local_compute, df_ur_bb_local_compute,
7980 df_chain_create_bb): Made subreg aware.
7981 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7982 df_lr_bb_local_compute, df_lr_bb_local_compute,
7983 df_chain_create_bb): Cleanup to use proper macros.
7984 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7985 code to fixup bitvectors.
7986 (df_ri_alloc): Cleared lifetime.
7987 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7988 df_create_unused_note): New function.
7989 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7990 REG_DEAD and REG_UNUSED notes as well as register information.
7991 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7992 df_chains_dump): Fixed crash if problem was never run.
7993 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7994 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7995 df_ri_add_problem): Processes flags in uniform manner.
7996 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7997 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7998 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7999 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8000 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8001 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8002 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8003 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8004 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8005 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8006 * see.c (see_initialize_data): Ditto.
8007 * final.c (rest_of_clean_state) Added regstack_completed.
8008 * rtl.h (regstack_completed): Ditto.
8009 * reg-stack.c (regstack_completed): Ditto.
8011 2006-05-19 Mike Stump <mrs@apple.com>
8013 * c-tree.h (default_conversion): Remove.
8014 * c-common.h (default_conversion): Add.
8016 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8018 * tree-vrp.c (valid_value_p): New function.
8019 (adjust_range_with_scev): Fail if the value of bound is not
8022 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8024 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8025 (mips_fallback_frame_state): Use syscall numbers to determine
8026 the appropriate li instruction for the current ABI. Only use
8027 __NR_sigreturn for o32.
8029 2006-05-19 Nicolas Setton <setton@adacore.com>
8031 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8032 * langhooks.c (lhd_dwarf_name): New function.
8033 * langhooks-def.h (lhd_dwarf_name): Declare.
8034 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8035 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8036 * ada/misc.c (gnat_dwarf_name): New function.
8037 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
8039 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8041 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8043 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8044 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8045 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8046 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8047 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8048 determine the size of Wtype, etc.
8049 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8050 (swfloatfuncs): New variable.
8051 (dwfloatfuncs): Likewise.
8052 (lib2funcs): Remove floating-point conversion functions from
8053 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8054 the set of conversion routines needed. Allow entries to specify
8055 an object name, filename and word size. Update users accordingly.
8056 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8057 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8061 2006-02-08 Roger Sayle <roger@eyesopen.com>
8064 * config/fixtfdi.c: New libgcc source file.
8065 * config/fixunstfdi.c: New source file.
8066 * config/floatditf.c: New source file.
8067 * config/floatunditf.c: New souce file.
8068 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8069 files above instead of config/mips/_tilib.c.
8070 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8072 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8074 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8075 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8077 2006-05-18 Mike Stump <mrs@apple.com>
8079 Fix up vla, vm and [*] sematics.
8085 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8086 (c_vla_unspec_p): Add.
8087 (c_vla_type_p): Add.
8088 * c-decl.c (struct c_scope): Add had_vla_unspec.
8089 (build_array_declarator): Add support for [*].
8090 (grokdeclarator): Likewise.
8091 (grokparms): Likewise.
8092 (get_parm_info): Likewise.
8093 * c-objc-common.c (c_vla_unspec_p): Likewise.
8094 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8095 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8096 typeof when argument is a variably modified type not inside sizeof or alignof.
8097 (c_parser_direct_declarator_inner): Propagate errors.
8098 (c_parser_sizeof_expression): Add support for [*].
8099 (c_parser_parms_declarator): Initialize had_vla_unspec.
8100 (c_parser_parms_list_declarator): Likewise.
8101 * c-typeck.c (c_vla_type_p): Add.
8102 (composite_type): Add support for vla compositing.
8103 (comptypes_internal): Add support for vla compatibility.
8104 (c_expr_sizeof_expr): Evaluate vla arguments.
8105 * tree.c (variably_modified_type_p): Update comment for [*].
8107 2006-05-18 Michael Matz <matz@suse.de>
8110 * config.host: Make assignments to host_xmake_file cumulative.
8111 * config.host (*-darwin*): Test $host, not $target.
8113 2006-05-12 Stuart Hastings <stuart@apple.com>
8115 * config/i386/i386.opt (-mstackrealign): New flag.
8116 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8117 (ix86_handle_cconv_attribute): Emit error when
8118 force_align_arg_pointer attribute collides with too many regparms.
8119 (ix86_function_regparm): Limit regparms when used with
8120 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8121 Support stack-realigning prologue in non-main functions. Emit
8122 warning for nested functions under -mstackrealign, emit error for
8123 nested functions with force_align_arg_pointer attribute.
8124 * doc/extend.texi (force_align_arg_pointer): Document it.
8125 * doc/invoke.texi (-mstackrealign): Document it.
8127 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8129 PR rtl-optimization/27477
8130 * combine.c (try_combine): Don't split a parallel consisting
8131 of two sets into two individual sets if both sets reference
8134 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8136 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8137 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8139 * doc/options.texi (VarExists): Updated.
8141 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8143 * unwind-dw2.c: Add declarations for uw_update_context and
8145 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8146 detected, advance frame state and context once to skip over stub.
8148 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8152 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8153 Call rewrite_into_loop_closed_ssa only when something changed.
8154 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8155 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8156 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8157 Test for perfect_nest_p here. Fix formating.
8158 (replace_uses_equiv_to_x_with_y): Fix formating.
8159 (stmt_uses_op): Removed.
8160 (can_convert_to_perfect_nest): Removed loopivs parameter.
8161 Complete the test by checking the scalar dependences.
8162 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8165 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8168 From Dan Kegel <dank@kegel.com>:
8169 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8171 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8173 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8174 if the element type is variably modified without recursing.
8176 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8179 * tree-loop-linear.c (try_interchange_loops): Test for
8180 no data dependences.
8182 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8184 PR tree-optimization/27548
8185 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8186 range of ssa names that appear on abnormal edges.
8187 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8188 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8190 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8193 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8195 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8198 * tree.h (OMP_PARALLEL_COMBINED): Define.
8199 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8200 (new_omp_context): Add is_combined_parallel argument.
8201 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8202 new_omp_context caller.
8203 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8204 Adjust gimplify_scan_omp_clauses callers.
8205 (omp_is_private): Issue errors if iteration variable is firstprivate
8206 or reduction in the current context.
8207 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8208 on combined parallel workshare constructs.
8210 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8212 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8213 (gcc-options.o): New rule.
8215 * optc-gen.awk: Protect variables for gcc-options.o with
8216 #ifdef GCC_DRIVER/#endif.
8218 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8220 Fix PR tree-optimization/27373
8221 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8222 (forward_propagate_addr_expr): Update call.
8224 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8226 * doc/options.texi: Move the Negative option.
8228 2006-05-16 Richard Guenther <rguenther@suse.de>
8230 PR tree-optimization/22303
8231 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8233 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8234 ccp_fold did not simplify the statement.
8236 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8239 * Makefile.in (GCC_OBJS): New.
8240 (OBJS-common): Add opts-common.o.
8241 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8242 (cpp$(exeext)): Likewise.
8243 (gcc.o): Also depend on opts.h.
8244 (opts-common.o): New.
8246 * common.opt (gcoff): Add Negative(gdwarf-2).
8247 (gdwarf-2): Add Negative(gstabs).
8248 (gstabs): Add Negative(gstabs+).
8249 (gstabs+): Add Negative(gvms).
8250 (gvms): Add Negative(gxcoff).
8251 (gxcoff): Add Negative(gxcoff+).
8252 (gxcoff+): Add Negative(gcoff).
8253 * config/i386/i386.opt (m32): Add Negative(m64).
8254 (m64): Add Negative(m32).
8256 * doc/options.texi: Document the Negative option.
8258 * gcc.c: Include "opts.h".
8259 (main): Call prune_options after expandargv.
8261 * optc-gen.awk: Generate common declarations for all flag
8262 variables in options.c. Output the neg_index field.
8264 * opts.c (find_opt): Moved to ...
8265 * opts-common.c: Here. New file.
8267 * opts.h (cl_option): Add a neg_index field.
8269 (prune_options): Likewise.
8271 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8274 * omp-low.c (expand_omp_parallel): Don't assert
8275 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8276 instead search for it.
8279 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8282 2006-05-16 Andreas Schwab <schwab@suse.de>
8284 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8287 2006-05-15 Roger Sayle <roger@eyesopen.com>
8290 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8291 integer constants other than zero are only legitimate on TARGET_64BIT.
8292 <CONST_VECTOR> Only zero vectors are legitimate.
8293 (ix86_cannot_force_const_mem): Integral and vector constants can
8294 always be put in the constant pool.
8296 2006-05-16 DJ Delorie <dj@redhat.com>
8298 * crtstuff.c (__dso_handle): Set section from
8299 TARGET_LBIGCC_SDATA_SECTION if defined.
8300 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8301 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8303 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8306 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8309 2006-05-16 Ben Elliston <bje@au.ibm.com>
8311 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8313 2006-05-15 Per Bothner <per@bothner.com>
8315 * tree.c: (last_annotated_node): Use source_locus typedef.
8316 This permits bootstrapping with --enable-mapped-location.
8318 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8320 PR tree-optimization/26830
8321 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8322 (info_for_ssa_name, current_info_for_ssa_name_age,
8323 blocks_to_update): New variables.
8324 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8325 (clear_ssa_name_info, initialize_flags_in_bb,
8326 mark_block_for_update): New functions.
8327 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8328 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8329 prepare_def_site_for): Use mark_block_for_update.
8330 (mark_def_interesting): Assert that the processed block is marked in
8331 blocks_to_update. Do not take blocks argument.
8332 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8334 (rewrite_update_init_block, rewrite_update_stmt): Only process
8335 blocks with statements to rewrite.
8336 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8337 (update_ssa): Initialize and free blocks_to_update. Do not
8338 clear flags on statements. Do not use blocks bitmap.
8339 * tree.h (SSA_NAME_AUX): Removed.
8340 (struct tree_ssa_name): Removed aux field.
8341 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8343 2006-05-15 Richard Guenther <rguenther@suse.de>
8345 PR tree-optimization/27603
8346 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8347 Do computations in original type.
8349 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8351 * see.c: Code style changes such as redundant paranthesis,
8352 redundant intialization of local variables etc.
8353 (see_main): Declared now as static.
8354 * doc/invoke.texi: Update that -fsee is not enabled by
8357 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8359 * omp-low.c (check_omp_nesting_restrictions): New function.
8360 (scan_omp_1): Call it.
8363 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8364 construct, return *VAR.
8366 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8368 PR rtl-optimization/27406
8369 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8372 2006-05-14 Roger Sayle <roger@eyesopen.com>
8374 PR rtl-optimization/27538
8375 * combine.c (expand_compound_operation): Call gen_lowpart
8376 before calling simplify_shift_const.
8378 2006-05-14 Roger Sayle <roger@eyesopen.com>
8380 PR rtl-optimization/22563
8381 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8382 a fixed width bitfield, always force the intermediates into psuedos.
8384 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8387 * mkconfig.sh: Use operator = instead of == for test.
8389 2006-05-13 Nick Clifton <nickc@redhat.com>
8391 * dwarf2out.c (dbx_reg_number): Check return value from
8392 LEAF_REG_REMAP and only use it if it is valid.
8393 (multiple_reg_loc_descriptor): Likewise.
8395 2006-05-13 Richard Guenther <rguenther@suse.de>
8397 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8400 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8402 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8403 information attached to non-INSNs such as NOTEs.
8404 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8406 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8408 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8410 * config/s390/s390.md: Adjust comment describing On constraint.
8412 2006-05-11 Jan Hubicka <jh@suse.cz>
8414 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8415 to be output at -O0.
8417 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8420 * fold-const.c (size_binop): Move sanity check for arguments to
8421 the beginning of the function.
8424 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8427 2006-05-11 Richard Guenther <rguenther@suse.de>
8430 * fold-const.c (fold_unary): Handle intermediate conversion
8431 to a pointer type like intermediate conversion to an integer
8432 type in folding of (T1)(T2)var to var.
8433 Match the code to the comment in the final conversion for
8434 (T1)(T2)var to (T1)var regarding to type precision. Rather
8435 than disallow T1 being of pointer type, assert that both T1
8436 and var are of pointer type or not. Make sure not to fall
8437 over the frontends lazyness wrt array to pointer decay though.
8439 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8441 * arm.c (arm_struct_value_rtx): Delete.
8442 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8443 (arm_init_cumulative_args): Always initialize nregs to zero.
8445 2006-05-10 Richard Guenther <rguenther@suse.de>
8447 PR tree-optimization/27532
8448 * tree-object-size.c (plus_expr_object_size): Fix typo.
8450 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8453 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8454 ashrdi_const, ashrdi3): Use a scratch register.
8456 2006-05-10 Richard Guenther <rguenther@suse.de>
8458 PR tree-optimization/27302
8459 * fold-const.c (operand_equal_p): For two comparisons,
8460 try comparison of one comparison code swapped if that yields
8463 2006-05-10 Ben Elliston <bje@au.ibm.com>
8465 * tree-pretty-print.c (pretty_print_string): No need to handle
8466 '\0' as a special character.
8468 * tree.h: Include "hashtab.h".
8469 (iterative_hash_expr): Use hashval_t in its prototype.
8470 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8472 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8475 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8476 (hppa*64*-*-hpux11*): Ditto.
8477 (hppa[12]*-*-hpux11*): Ditto.
8479 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8482 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8484 2006-05-09 Michael Matz <matz@suse.de>
8486 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8487 host_extra_gcc_objs and host_xmake_file.
8488 (<*-*-linux*>): Don't overwrite host_xmake_file.
8489 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8490 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8491 (host_detect_local_cpu): Declare.
8492 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8493 * config/i386/i386.c (override_options): Handle -mtune=native
8495 * config/i386/x-i386: New file.
8496 * config/i386/driver-i386.c: New file.
8497 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8500 2006-05-09 Dirk Mueller <dmueller@suse.de>
8501 Richard Guenther <rguenther@suse.de>
8504 * fold-const.c (fold_read_from_constant_string): Relax check
8505 for matching types to matching modes.
8507 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8509 PR rtl-optimization/27335
8510 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8513 2006-05-08 Chao-ying Fu <fu@mips.com>
8514 Richard Sandiford <richard@codesourcery.com>
8516 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8517 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8518 * config/mips/mips.md (UNSPEC_SCC): New constant.
8519 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8520 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8521 (mips_emit_compare): Use it.
8522 (mips_expand_vcondv2sf): New function.
8524 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8526 Fix PR tree-optimization/27093
8527 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8528 renaming when they become not-used_alone.
8530 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8532 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8533 relocation and relocation stubs.
8535 2006-05-08 Eric Christopher <echristo@apple.com>
8537 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8540 2006-05-08 Jan Hubicka <jh@suse.cz>
8543 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8544 unused static functions are needed.
8546 2006-05-08 Roger Sayle <roger@eyesopen.com>
8549 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8550 of a reg_equiv_constant if the result is a legitimate constant.
8552 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8555 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8556 standard 80387 constants, raise the cost to prevent
8557 compress_float_constant() to generate load from memory.
8559 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8561 * config/arm/constraints.md (c): Fix a typo.
8563 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8566 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8569 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8571 (_mm_mwait): Likewise.
8573 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8575 (sse3_monitor): Make it 32bit only.
8576 (sse3_monitor64): New. 64bit monitor.
8578 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8581 * config/i386/i386.c (classify_argument): Skip fields with invalid
8584 2006-05-07 Richard Guenther <rguenther@suse.de>
8586 PR tree-optimization/27409
8587 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8588 Do not try to find zero-sized subvars.
8590 2006-05-07 Richard Guenther <rguenther@suse.de>
8592 PR tree-optimization/27136
8593 * tree-ssa-loop-niter.c (get_val_for): Correct function
8594 comment, assert requirements.
8595 (loop_niter_by_eval): Stop processing if the iterated
8596 value did not simplify.
8598 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8600 * opts.c (flag_see): remove its setting at -O3.
8602 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8604 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8605 * arm/constraints.md: New file.
8606 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8607 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8608 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8609 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8610 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8611 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8612 * arm.md: Include constraints.md.
8613 (thumb_movsi_insn): Use satisfies_constraint_J.
8614 (movhi, movqi): Use satisfies_constraint_I.
8616 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8618 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8619 for atmeg a645 device.
8621 2006-05-06 Richard Guenther <rguenther@suse.de>
8623 PR tree-optimization/27151
8624 * tree-vect-transform.c (vectorizable_condition): Punt on
8625 values that have a different type than the condition.
8627 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8630 * c-parser.c (c_parser_cast_expression): Only insert casts into
8631 hash table if pointer.
8632 * function.c (used_types_insert_helper): Rename from
8634 (used_types_insert): Call used_types_insert_helper.
8635 * function.h (used_types_insert): Accept only one argument.
8637 2006-05-05 David Edelsohn <edesohn@gnu.org>
8639 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8640 scratch with output modifier.
8642 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8645 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8646 with output modifier.
8648 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8651 * config/mips/mips.c (mips_symbolic_address_p): Return true
8652 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8653 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8655 2006-05-04 Richard Guenther <rguenther@suse.de>
8657 PR tree-optimization/14287
8658 PR tree-optimization/14844
8659 PR tree-optimization/19792
8660 PR tree-optimization/21608
8661 PR tree-optimization/27090
8662 * tree-ssa-pre.c (try_combine_conversion): New function.
8663 (compute_avail): After constructing the value-handle
8664 expression, use try_combine_conversion to combine NOP_EXPRs
8665 with previous value-handle expressions and use the result if it
8668 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8670 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8672 2006-05-04 Jan Hubicka <jh@suse.cz>
8675 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8677 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8679 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8680 that this only matches CONST_INTs. All users changed to VOIDmode
8683 * config/bfin/bfin.c: Include "optabs.h".
8684 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8686 (enum bfin_builtins): Add a number of fractional and vector builtins.
8687 (bfin_init_builtins): Likewise.
8688 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8689 (safe_vector_operand, bfin_expand_binop_builtin,
8690 bfin_expand_unop_builtin): New functions.
8691 (bfin_expand_builtin): Handle the new builtins.
8692 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8695 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8698 * Makefile.in (OBJS-common): Add see.o.
8699 (see.o): Add dependencies.
8700 * common.opt (fsee): New flag for the see optimization was added.
8701 * opts.c (flag_see): Initialized.
8702 * passes.c (init_optimization_passes, pass_see): New pass.
8703 * rtl.h (see_main): Declaration as extern.
8704 * timevar.def (TV_SEE): New.
8705 * tree-pass.h (pass_see): Declaration as extern.
8706 * invoke.texi (-fsee): Document.
8707 * recog.c (validate_simplify_insn): New function.
8708 * recog.h (validate_simplify_insn): Declaration as extern.
8709 * df-problems.c (df_chain_dump): Check for NULL.
8711 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8712 Daniel Berlin <dberlin@dberlin.org>
8714 * cfgrtl.c (insert_insn_bb_end_new): New function.
8715 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8717 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8719 * df.h (struct web_entry): Moved from web.c.
8720 (union_defs): Declaration as extern.
8721 (unionfind_root): Likewise.
8722 (unionfind_union): Likewise.
8723 * web.c (struct web_entry): Moved to df.h.
8724 (unionfind_root): Remove static declaration.
8725 (unionfind_union): Likewise.
8726 (union_defs): Likewise and generalize to use callback function.
8727 (web_main): Update arguments for union_defs function call.
8729 2006-05-04 Richard Guenther <rguenther@suse.de>
8731 PR tree-optimization/26447
8732 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8733 produce SSA_NAME copies before the store stmt to avoid
8734 breaking exception handling.
8736 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8739 * gimplify.c (omp_is_private): If var is shared in some outer context,
8740 return false instead of true. Stop searching on parallel context
8743 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8746 * coverage.c: Use get_gcov_unsigned_t() instead of
8747 unsigned_type_node all over.
8749 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8751 PR tree-optimization/27381
8752 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8753 maintain the same immediate_use links.
8754 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8755 node rather than segfaulting.
8757 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8760 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8761 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8762 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8764 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8766 Fix PR tree-optimization/26626
8767 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8769 * tree-ssa-operands.c (access_can_touch_variable): Allow
8770 typecasting through union pointers.
8772 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8775 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8776 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8777 to find if var will be a global variable even in the nested context.
8778 (omp_copy_decl): Only check for global variable at the end, it might
8779 be overridden in outer contexts.
8780 (scan_sharing_clauses): For global variables don't create a field.
8781 (lower_rec_input_clauses): Do nothing for global shared variables.
8782 Emit a barrier at the end of ILIST if there were any decls in both
8783 firstprivate and lastprivate clauses.
8784 (lower_send_clauses): Do nothing for global variables except for
8787 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8789 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8790 of the correct signedness is returned.
8792 2006-05-02 Jeff Law <law@redhat.com>
8794 PR tree-optimization/27364
8795 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8796 multiply expressions.
8798 2006-05-02 Tom Tromey <tromey@redhat.com>
8800 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8802 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8805 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8806 -mthumb -fPIC are used.
8808 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8809 Joshua Kinard <kumba@gentoo.org>
8812 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8813 with 64-bit pointers.
8815 2006-05-02 Paul Brook <paul@codesourcery.com>
8817 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8819 (create_fix_barrier): Check that a suitable barrier location is
8821 (arm_reorg): Include ftmp->address in allowable range of addresses.
8823 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8826 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8829 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8832 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8833 around RESULT_DECL for result passed by reference.
8834 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8835 * omp-low.c (use_pointer_for_field): Don't look at
8836 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8837 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8838 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8839 time or var for passing by reference for
8840 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8841 TREE_ADDRESSABLE variables when passing by reference.
8843 * omp-low.c (dump_omp_region): Fix output formatting.
8846 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8847 (expand_omp_parallel): Likewise.
8848 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8851 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8852 on statement list containing also constructors and destructors.
8853 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8856 * except.c (duplicate_eh_regions): Fix clearing of
8857 cfun->eh->region_array entries.
8859 2006-05-01 DJ Delorie <dj@redhat.com>
8861 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8863 (gcc_cv_objdump): Likewise.
8864 * configure: Regenerated.
8866 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8869 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8870 templates for case 3 and 4.
8872 2006-05-01 DJ Delorie <dj@redhat.com>
8874 * vec.c: Include bconfig.h when appropriate.
8875 * Makefile.in (build/vec.o): Adjust dependencies.
8876 * mkconfig.sh: Make sure config.h isn't used for build machine
8879 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8881 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8883 (mark_phi_for_rewrite): New function.
8884 (insert_phi_nodes_for, mark_use_interesting): Call
8885 mark_phi_for_rewrite.
8886 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8887 (update_ssa): Initialize and free phis_to_rewrite.
8889 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8891 PR rtl-optimization/27291
8892 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8893 folded to a constant.
8895 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8897 PR tree-optimization/27283
8898 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8899 not whole # of iteration descriptions.
8900 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8901 uses abnormal ssa name.
8902 (niter_for_single_dom_exit): Ditto.
8903 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8904 return just the number of iterations.
8906 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8908 PR tree-optimization/27144
8909 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8910 (record_estimate): Only record constant upper bound.
8911 (infer_loop_bounds_from_undefined): Call
8912 compute_estimated_nb_iterations just once.
8913 (proved_non_wrapping_p): Renamed to ...
8914 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8915 (convert_step_widening, scev_probably_wraps_p): Call
8916 n_of_executions_at_most instead of proved_non_wrapping_p.
8917 (substitute_in_loop_info): Do not replace values in bounds.
8918 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8921 2006-05-01 Richard Henderson <rth@redhat.com>
8924 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8925 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8928 2006-05-01 Roger Sayle <roger@eyesopen.com>
8930 * c-typeck.c (parser_build_binary_op): Don't call the function
8931 unsigned_conversion_warning to spot operand/result type overflow.
8932 (build_binary_op): Instead, call convert_and_check instead of
8933 convert to report the problem when the operands are promoted.
8934 * c-common.c (unsigned_conversion_warning): Make static.
8935 * c-common.h (unsigned_conversion_warning): Delete prototype.
8937 2006-05-01 Richard Guenther <rguenther@suse.de>
8939 PR tree-optimization/26726
8940 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8942 (find_interesting_uses_address): ... we work around here
8943 by folding INDIRECT_REFs in the substituted base.
8945 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8947 * omp-low.c (dump_omp_region): Add newlines.
8949 2006-04-30 Roger Sayle <roger@eyesopen.com>
8951 * common.opt (Woverflow): New command line option.
8952 * c-common.c (constant_expression_warning): Check warn_overflow.
8953 (overflow_waring): Pass OPT_Woverflow to warning.
8954 (unsigned_conversion_warning): Likewise.
8955 (convert_and_check): Likewise.
8956 * doc/invoke.texi: Document new command line option.
8958 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8960 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8961 TARGET_NO_FP_IN_TOC for section anchors.
8962 (optimization_options): Enable section anchors for all
8963 non-"Objective" languages.
8965 2006-04-28 Eric Christopher <echristo@apple.com>
8967 * config/darwin-c.c (darwin_ms_struct): Move this
8968 (darwin_set_default_type_attributes): and this...
8969 * config/darwin.c: ... here.
8970 * config/darwin.h (darwin_ms_struct): Declare.
8972 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8974 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8976 2006-04-28 Roger Sayle <roger@eyesopen.com>
8979 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8980 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8981 an unsigned HOST_WIDE_INT.
8982 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8984 (really_start_incremental_init): No need to call convert because
8985 bitsize_zero_node is already of type bitsizetype.
8986 (push_init_level): Extract the value of constructor_index as an
8987 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8988 (process_init_element): Likewise.
8990 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8992 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8993 value before passing to make_relative_prefix.
8995 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8998 * builtins.c (expand_builtin_memset): Expand val in original mode.
9000 2006-04-27 Eric Christopher <echristo@apple.com>
9002 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9003 with #ifndef/#endif.
9004 * config/darwin-c.c (darwin_ms_struct): New.
9005 (darwin_pragma_ms_struct): Ditto.
9006 (darwin_set_default_type_attributes): Ditto.
9007 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9008 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9009 Register ms_struct pragma.
9010 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9011 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9012 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9013 darwin_set_default_type_attributes if TARGET_MACHO.
9015 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9017 PR tree-optimization/26854
9018 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9019 * doc/tree-ssa.texi: Update immuse iterator documentation.
9020 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9021 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9022 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9023 first_safe_imm_use, next_safe_imm_use): Remove.
9024 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9025 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9026 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9027 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9028 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9029 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9030 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9031 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9032 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9033 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9034 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9035 (perfect_nestify): Use new iterator.
9036 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9038 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9039 (next_imm_name): New field in struct immediate_use_iterator_d.
9040 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9041 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9042 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9043 * tree-cfg.c (replace_uses_by): Use new iterator.
9044 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9045 * tree-ssa-operands.c (correct_use_link): Remove.
9046 (finalize_ssa_use_ops): No longer call correct_use_link.
9048 2006-04-27 Stuart Hastings <stuart@apple.com>
9050 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9051 * config/t-darwin (crt3.o): Use it.
9052 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9053 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9054 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9055 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9056 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9059 2006-04-27 Roger Sayle <roger@eyesopen.com>
9061 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9062 size, force the intermediate into a new pseudo rather instead of
9063 performing both a bitwise AND and a bitwise IOR in memory.
9065 2006-04-27 Richard Guenther <rguenther@suse.de>
9067 PR rtl-optimization/26685
9068 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9069 this one "max-flow-memory-locations".
9071 2006-04-27 Richard Guenther <rguenther@suse.de>
9073 PR tree-optimization/25148
9074 * tree-vrp.c (compare_values): Remove code dealing with
9075 comparisons against type min/max value. Honour overflow
9076 and negative constants in code dealing with comparisons
9077 of plus and minus expressions.
9078 (value_inside_range): Use fold_binary with LE_EXPR and
9079 GE_EXPR rather than compare_values.
9081 2006-04-27 Dirk Mueller <dmueller@suse.de>
9083 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9086 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9088 * basic-block.h (safe_insert_insn_on_edge): Removed.
9089 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9091 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9092 Paolo Bonzini <bonzini@gnu.org>
9095 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9096 (simplify_and_const_int): Same.
9098 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9100 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9102 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9105 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9106 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9107 cgraph_global_info_ready.
9110 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9113 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9114 either decl or init is error_mark_node.
9117 * tree-flow.h (struct omp_region): Add sched_kind.
9118 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9119 instead of extracting omp for data.
9120 (expand_omp_for): Save extracted sched_kind.
9122 2006-04-25 Roger Sayle <roger@eyesopen.com>
9124 * expmed.c (store_bit_field): Also check whether the bitsize is
9125 valid for the machine's "insv" instruction before moving the
9126 target into a pseudo for use with the insv.
9127 * config/i386/predicates.md (const8_operand): New predicate.
9128 * config/i386/i386.md (extv, extzv, insv): Use the new
9129 const8_operand predicate where appropriate.
9131 2006-04-25 DJ Delorie <dj@redhat.com>
9133 * doc/install.texi (Specific): Clarify that this is not a list of
9134 supported hosts or targets.
9136 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9138 PR rtl-optimization/26725
9139 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9140 block's BB_DIRTY flag.
9142 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9144 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9147 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9148 to print an integer.
9150 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9152 * varasm.c (align_variable): New function.
9153 (get_block_for_decl): Apply align_variable to DECL before
9154 calculating section information.
9155 (assemble_variable): Split out alignment computation.
9157 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9159 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9162 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9164 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9165 MODE_PARTIAL_INT mode.
9166 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9167 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9169 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9170 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9172 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9174 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9176 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9177 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9178 MACFLAG_IH): Likewise.
9179 (movstricthi_1): Renamed from "*movstricthi".
9180 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9181 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9182 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9183 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9184 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9185 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9186 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9187 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9188 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9189 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9190 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9191 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9192 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9193 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9194 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9196 * doc/rtl.texi (ss_ashift): Improve wording.
9198 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9200 * dwarf2out.c (verify_marks_clear): New.
9201 (prune_unused_types): Call verify_marks_clear initially, not
9204 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9206 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9207 * doc/rtl.texi: Document them.
9208 * simplify-rtx.c (simplify_unary_operation,
9209 simplify_binary_operation_1): Don't abort when we see them.
9211 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9214 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9215 * configure.ac: Completely disregard languages that are not
9217 * configure: Regenerated.
9219 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9220 Richard Guenther <rguenther@suse.de>
9222 PR tree-optimization/27236
9223 * tree-inline.c (copy_body_r): Make sure to copy
9224 TREE_THIS_VOLATILE flag.
9226 2006-04-24 Richard Guenther <rguenther@suse.de>
9229 * tree-complex.c (update_parameter_components): Don't handle
9230 unused parameters which have no default def.
9232 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9233 Richard Guenther <rguenther@suse.de>
9235 PR tree-optimization/27218
9236 * tree-inline.c (expand_call_inline): Strip useless type
9237 conversions for the return slot address.
9239 2006-04-24 Richard Guenther <rguenther@suse.de>
9241 * cfgloop.h (struct loops): Remove unused field array. Reorder
9243 (LOOP_PREFETCH): Remove.
9245 2006-04-24 Richard Guenther <rguenther@suse.de>
9247 PR tree-optimization/22525
9248 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9249 variable, adjust types of generated expressions.
9251 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9253 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9254 (tree-vect-patterns.o): Likewise.
9256 (cselib.o): Likewise.
9257 (loop-doloop.o): Likewise.
9258 (regclass.o): Likewise.
9259 (reload1.o): Likewise.
9260 (explow.o): Replace target.h with $(TARGET_H).
9261 (ipa-prop.o): Likewise.
9262 (ipa-cp.o): Likewise.
9263 (ipa-inline.o): Likewise.
9264 (reorg.o): Likewise.
9265 (reg-stack.o): Likewise.
9267 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9269 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9271 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9273 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9275 * configure.ac: Completely disregard languages that are not
9277 * configure: Regenerated.
9280 * c-common.h (c_build_bitfield_integer_type): Declare.
9281 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9282 * c-common.c (c_build_bitfield_integer_type): ... here.
9284 2006-04-23 Roger Sayle <roger@eyesopen.com>
9287 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9288 a SImode SUBREG of a floating point register after no_new_pseudos.
9290 2006-04-23 Roger Sayle <roger@eyesopen.com>
9292 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9293 identify potentially eliminable registers to additionally catch
9294 VIRTUAL_INCOMING_ARGS_REGNUM.
9295 (addsi3): Update the conditions on when to use addsi_small_int.
9297 2006-04-23 Roger Sayle <roger@eyesopen.com>
9300 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9301 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9302 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9304 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9306 * fold-const.c (range_predecessor): Use operand_equal_p
9307 as the predicate for equality.
9308 (range_successor): Likewise.
9310 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9313 * config/soft-fp/op-common.h: Fix a typo.
9315 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9318 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9319 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9321 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9323 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9325 * doc/tm.texi: Fix a typo.
9327 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9329 * dwarf2out.c (struct die_struct): Document that die_sib makes
9330 a circular linked list.
9331 (FOR_EACH_CHILD): New.
9332 (reverse_die_lists): Delete.
9333 (reverse_all_dies): Delete.
9334 (add_dwarf_attr): Correct documentation.
9335 (remove_child_with_prev): New.
9336 (remove_child_TAG): Update for change to die_struct, use
9337 remove_child_with_prev.
9338 (add_child_die): Update for change to die_struct.
9339 (splice_child_die): Use remove_child_with_prev and add_child_die.
9340 (print_die): Use FOR_EACH_CHILD.
9341 (die_checksum): Likewise.
9342 (assign_symbol_names): Likewise.
9343 (output_location_lists): Likewise.
9344 (build_abbrev_table): Likewise.
9345 (calc_die_sizes): Likewise.
9346 (mark_dies): Likewise.
9347 (unmark_dies): Likewise.
9348 (unmark_all_dies): Likewise.
9349 (output_die): Likewise.
9350 (prune_unused_types_mark): Likewise.
9351 (prune_unused_types_walk): Likewise.
9352 (same_die_p): Update for change to die_struct.
9353 (break_out_includes): Likewise.
9354 (prune_unused_types_prune): Likewise.
9355 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9356 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9358 (dwarf2out_finish): Don't call reverse_all_dies.
9360 2006-04-21 Eric Christopher <echristo@apple.com>
9362 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9363 in comments and function names.
9365 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9368 * c-typeck.c (digest_init): Robustify.
9370 * c-typeck.c (pop_init_level): Simplify.
9372 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9374 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9376 2006-04-21 Paul Brook <paul@codesourcery.com>
9378 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9379 hardware floating point.
9381 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9383 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9386 2006-04-21 Nick Clifton <nickc@redhat.com>
9388 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9391 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9394 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9395 C++ lang type in traceback table for Objective-C++.
9397 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9399 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9401 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9403 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9406 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9407 were errors. Remove check for erroneous objects.
9409 2006-04-20 Jeff Law <law@redhat.com>
9411 PR tree-optimization/26854
9412 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9413 checking for zero or one use.
9414 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9415 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9416 * tree-ssa-reassoc.c (negate_value): Similarly.
9417 (reassociate_bb): Similarly.
9419 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9421 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9422 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9423 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9425 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9427 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9428 fp regs if the last fp arg doesn't fit in regs.
9430 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9433 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9434 that the last insn has the REG_INC note.
9436 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9437 Nathan Sidwell <nathan@codesourcery.com>
9440 * stor-layout.c (update_alignment_for_field): Do not align
9442 (place_union_field): Place union field at the start of the union.
9443 (place_field): Move ERROR_MARK check later, and use the current
9444 allocation position to maintain monotonicity.
9446 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9448 * dominance.c: Include timevar.h.
9449 (calculate_dominance_info): Use TV_DOMINANCE.
9450 * timevar.def (TV_DOMINANCE): New timevar.
9451 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9453 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9455 PR rtl-optimization/14261
9456 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9457 move would be an INSV insn.
9458 (noce_process_if_block): Don't optimize if the destination is a
9459 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9461 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9463 * config/s390/s390.md: Add comments with the instructions emitted
9464 by an insn pattern if macros are used.
9466 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9468 PR rtl-optimization/26026
9469 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9470 is a known power of two shifted left a variable amount.
9472 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9474 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9475 to hash table twice when the debug_str section has SECTION_MERGE.
9477 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9479 * config/soft-fp: New directory. From glibc.
9480 * config/soft-fp/t-softfp: New.
9481 * config/soft-fp/README: New.
9482 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9483 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9484 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9485 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9486 * config.gcc: Use rs6000/t-fprules-fpbit or
9487 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9489 * config/rs6000/sfp-machine.h: New. Based on glibc.
9490 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9492 * config/rs6000/t-fprules: Remove fp-bit rules.
9493 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9494 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9495 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9496 (softfp_wrap_start, softfp_wrap_end): New.
9498 2006-04-18 DJ Delorie <dj@redhat.com>
9500 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9502 2006-04-18 Devang Patel <dpatel@apple.com>
9504 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9506 2006-04-18 Nick Clifton <nickc@redhat.com>
9508 * config/sh/t-symbian: Add rule to build sh-c.o
9509 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9510 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9511 (sh_symbian_encode_section_info): Likewise.
9513 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9515 * builtins.c (expand_builtin_strcmp): Cover label definition of
9516 do_libcall with HAVE_cmpstrnsi.
9518 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9520 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9522 * function.h (temp_slot_p): New.
9523 (function): Change the type of x_used_temp_slots to
9524 VEC(temp_slot_p,gc) *.
9526 2006-04-18 Nick Clifton <nickc@redhat.com>
9528 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9529 flag_strength_reduce.
9531 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9533 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9537 Partial revert of revision 112637
9538 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9539 Dale Johannesen <dalej@apple.com>
9542 * regclass.c (struct reg_pref): Update documentation.
9543 (regclass): Set prefclass to NO_REGS if memory is the best option.
9544 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9546 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9548 PR tree-optimization/26821
9549 * tree-ssa-math-opts.c (get_constant_one): New.
9550 (insert_reciprocals): Use it.
9552 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9554 * dwarf2out.c (free_AT): Delete.
9555 (remove_AT): Update string ref counts.
9556 (remove_child_TAG): Don't call free_die.
9558 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9559 or DW_TAG_GNU_EINCL.
9560 (prune_unused_types_walk_attribs): Reset string refcounts.
9561 (prune_unused_types_update_strings): New.
9562 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9563 call free_die. Do call prune_unused_types_update_strings.
9564 (prune_unused_types): Empty debug_str_hash.
9566 2006-04-17 Roger Sayle <roger@eyesopen.com>
9568 * expr.c (expand_assignment): Optimize away no-op moves where the
9569 source and destination are equal and have no side-effects.
9571 2006-04-17 Richard Guenther <rguenther@suse.de>
9574 * reload.c (push_reload): Guard calls to get_secondary_mem
9577 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9579 * alias.c (reg_base_value, old_reg_base_value): Change the
9580 type to VEC(rtx,gc) *.
9581 (REG_BASE_VALUE, find_base_value, record_set,
9582 init_alias_analysis): Use VEC instead of VARRAY.
9584 * alias.c (alias_sets): Change the type to
9585 VEC(alias_set_entry,gc) *.
9586 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9587 VEC instead of VARRAY.
9588 (last_alias_set): Remove.
9590 * cgraph.h (cgraph_edge_p): New.
9591 Update the prototype of cgraph_function_versioning.
9592 * cgraphunit.c (cgraph_copy_node_for_versioning,
9593 cgraph_function_versioning): Use VEC instead of VARRAY.
9594 * ipa-cp.c (ipcp_insert_stage): Likewise.
9596 2006-04-16 Roger Sayle <roger@eyesopen.com>
9599 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9600 "A op B" or "A op C", we may need to convert A to the type of B and C.
9602 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9604 * target.h (struct gcc_target): Add mode_rep_extended.
9605 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9606 (init_num_sign_bit_copies_in_rep): Initialize it using
9608 (truncate_to_mode): Use it.
9609 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9610 * targhooks.h (default_mode_rep_extended): Declare it.
9611 * targhooks.c (default_mode_rep_extended): Define it.
9612 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9613 default_mode_rep_extended.
9614 (TARGET_INITIALIZER): Include it.
9615 * doc/tm.texi (Misc): Document it.
9616 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9617 (mips_truncated_to_mode): New function.
9619 2006-04-16 Roger Sayle <roger@eyesopen.com>
9622 * expr.c (compress_float_constant): Copy the narrow constant into
9623 a new pseudo before extending it to its final width.
9625 2006-04-16 Roger Sayle <roger@eyesopen.com>
9626 Andrew Pinski <pinskia@gcc.gnu.org>
9627 Dale Johannesen <dalej@apple.com>
9630 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9631 special case code to implement V8HImode and V16QImode with SSE2.
9633 2006-04-15 Roger Sayle <roger@eyesopen.com>
9635 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9636 trees are constructed with a suitable tree type.
9638 2006-04-15 Roger Sayle <roger@eyesopen.com>
9640 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9641 (integer_onep): Likewise.
9642 (integer_all_onesp): Likewise.
9643 (integer_pow2p): Likewise.
9644 (integer_nonzerop): Likewise.
9645 (real_zerop): Likewise.
9646 (real_onep): Likewise.
9647 (real_twop): Likewise.
9648 (real_minus_onep): Likewise.
9649 (int_size_in_bytes): Likewise.
9650 (host_integerp): Likewise.
9652 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9654 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9655 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9656 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9658 * tree-ssa-structalias.h (alias_info): Remove num_references.
9660 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9662 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9663 (output_bvb patterns): Likewise.
9664 * pa.c (output_bb): Use 'bb' insn for long branch case.
9665 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9666 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9667 1. Correct length operand for alternatives 1 and 2.
9668 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9669 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9671 2006-04-14 Roger Sayle <roger@eyesopen.com>
9673 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9674 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9675 were accidentally reverted by r112959.
9677 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9680 * except.h (eh_region_outermost): New prototype.
9681 * except.c (eh_region_outermost): New function.
9682 * tree-cfg.c (find_outermost_region_in_block): Use it.
9684 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9686 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9688 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9689 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9690 (init_reload, reload): Use VEC instead of VARRAY.
9691 * reload.h: Update the prototype for
9692 reg_equiv_memory_loc_varray.
9694 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9695 Eric Botcazou <ebotcazou@libertysurf.fr>
9697 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9700 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9703 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9704 to expand fallback builtin function call.
9706 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9709 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9710 and emit libcall here in case the builtin fails.
9711 (expand_builtin_strcmp): Always emit the libcall here on failure.
9713 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9715 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9716 * flow.c (reg_n_info): Change the type to
9717 VEC(reg_info_p,heap) *.
9718 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9720 * regs.h (reg_info_p): New.
9721 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9722 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9723 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9726 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9728 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9730 * params.h (MAX_SCHED_READY_INSNS): New macro.
9731 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9732 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9733 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9734 the ready list for 1 cycle during the first scheduling pass.
9735 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9737 2006-04-13 Richard Henderson <rth@redhat.com>
9740 * gimple-low.c (lower_omp_directive): Remove dead code.
9741 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9742 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9743 * omp-low.c (struct omp_region): Move to tree-flow.h.
9744 (root_omp_region): Export.
9745 (omp_regions, lookup_omp_region): Remove.
9746 (determine_parallel_type): Update for struct omp_region changes.
9747 (dump_omp_region): Dump regions with block numbers.
9748 (new_omp_region): Take type and block instead of stmt; malloc
9750 (free_omp_region_1, free_omp_regions): New.
9751 (expand_parallel_call): Take entry_stmt as argument; update for
9752 changes to omp_region.
9753 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9754 (remove_exit_barriers): New.
9755 (expand_omp_parallel): Update for struct omp_region changes.
9756 (expand_omp_synch): Likewise.
9757 (expand_omp): Likewise.
9758 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9759 (expand_omp_for_static_chunk): Likewise.
9760 (expand_omp_for): Likewise.
9761 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9762 (expand_omp_sections): Similarly, with GOMP_sections_end.
9763 (expand_omp_single): New.
9764 (build_omp_regions_1): Update for OMP_CONTINUE.
9765 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9766 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9767 OMP_SECTIONS_SECTIONS.
9768 (lower_omp_single_simple): Don't emit barrier here.
9769 (lower_omp_single_copy): Likewise.
9770 (lower_omp_single): Fix bindings, and lower to straightline now.
9771 (lower_omp_master, lower_omp_ordered): Likewise.
9772 (lower_omp_critical): Likewise.
9773 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9774 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9775 omp edges, free it afterward.
9776 (make_omp_sections_edges): Remove.
9777 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9778 (move_stmt_r): Handle OMP_CONTINUE.
9779 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9780 statement pointers to basic blocks. Add type member.
9781 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9782 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9783 * tree-inline.c (estimate_num_insns_1): Likewise.
9784 * tree-pretty-print.c (dump_generic_node): Likewise.
9785 * tree-ssa-operands.c (get_expr_operands): Likewise.
9786 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9787 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9788 (OMP_CONTINUE): New.
9789 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9790 (OMP_SECTIONS_SECTIONS): Remove.
9791 (OMP_SECTION_LAST): New.
9792 (OMP_RETURN_NOWAIT): New.
9794 2006-04-13 Roger Sayle <roger@eyesopen.com>
9796 * fold-const.c (native_encode_vector, native_interpret_real):
9797 Correct obvious mistakes in the previous check-in.
9799 2006-04-13 Roger Sayle <roger@eyesopen.com>
9801 * fold-const.c (native_encode_expr): New function to encode
9802 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9803 or VECTOR_CST into a specified buffer.
9804 (native_encode_int): New function.
9805 (native_encode_real): New function.
9806 (native_encode_complex): New function.
9807 (native_encode_vector): New function.
9808 (native_interpret_expr): Inverse of native_encode_expr to convert
9809 a target representation into an INTEGER_CST, REAL_CST etc...
9810 (native_interpret_int): New function.
9811 (native_interpret_real): New function.
9812 (native_interpret_complex): New function.
9813 (native_interpret_vector): New function.
9814 (fold_view_convert_expr): New function to constant fold/evaluate
9815 a VIEW_CONVERT_EXPR of a suitable constant expression.
9816 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9817 Change call of build1 to fold_build1 when constructing a
9820 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9821 Ulrich Weigand <uweigand@de.ibm.com>
9824 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9827 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9830 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9831 optimize to lo_sum for DFmode if !TARGET_FPRS.
9833 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9835 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9836 delete_alias_info, compute_flow_sensitive_aliasing,
9837 group_aliases): Use VEC instead of VARRAY.
9838 * tree-ssa-structalias.c (update_alias_info): Likewise.
9839 * tree-ssa-structalias.h (alias_info): Change the type of
9840 processed_ptrs to VEC(tree,heap) *.
9842 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9845 * config/sh/lib1funcs.h: New file, broken out of:
9846 * config/sh/lib1funcs.asm.
9847 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9849 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9850 * config/sh/lib1funcs-Os-4-200.asm: New file.
9851 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9852 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9853 (EXTRA_MULTILIB_PARTS): Include it.
9854 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9855 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9856 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9857 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9860 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9862 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9863 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9864 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9866 * tree-ssa-live.h: Include vecprim.h.
9867 (tree_partition_associator_d): Change the type of
9868 first_partition to VEC(int,heap) *.
9869 (tpa_first_partition): Use VEC instead of VARRAY.
9871 * Makefile.in (GTFILES): Move functions.h after tree.h.
9872 * function.c (reset_block_changes, record_block_change,
9873 check_block_change, free_block_changes): Use VEC instead of
9875 * function.h (function): Change the type of
9876 ib_boundaries_block to VEC(tree,gc) *.
9877 * tree-inline.c (copy_cfg_body): Initialize
9878 ib_boundaries_block to NULL instead of (varray_type) 0.
9880 2006-04-12 Roger Sayle <roger@eyesopen.com>
9882 * expr.c (emit_group_store): Correct operand order in call to
9883 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9884 a SUBREG_BYTE of zero.
9886 2006-04-12 Richard Guenther <rguenther@suse.de>
9888 * profile.c (compute_branch_probabilities): Remove code
9889 encapsulated in !ir_type (), which are remanents of the
9890 removed RTL profiling code.
9891 * rtl-profile.c: Remove.
9893 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9895 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9896 magic NULL_RTX comment.
9897 (function_arg): Store entire fp arg to mem if any part should go
9899 (rs6000_arg_partial_bytes): Adjust for above change.
9901 2006-04-11 Roger Sayle <roger@eyesopen.com>
9903 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9904 if it hasn't been initialized by dwarf2out_init.
9906 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9908 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9909 symbolic constants in branch patterns.
9911 2006-04-11 Roger Sayle <roger@eyesopen.com>
9913 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9915 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9917 PR rtl-optimization/27073
9918 * gcse.c (try_replace_reg): Revert last change. Continue to search
9919 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9922 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9924 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9925 aggregate types other than record and union types.
9926 (function_arg): Likewise.
9927 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9929 (function_value): In 64-bit mode, return objects that require it
9932 2006-04-11 Roger Sayle <roger@eyesopen.com>
9934 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9936 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9938 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9940 2006-04-03 Jeff Law <law@redhat.com>
9943 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9944 alias information too.
9946 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9948 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9950 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9953 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9954 (premark_used_types_helper): New.
9955 (premark_used_types): New.
9956 (gen_subprogram_die): Call premark_used_types.
9957 (prune_unused_types_walk): Do not prune perennial dies.
9958 * function.c (used_types_insert): New.
9959 * function.h (struct function): Add used_types_hash field.
9960 (used_types_insert): Add prototype.
9961 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9962 * c-parser.c (c_parser_cast_expression): Save casted types in used
9965 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9968 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9969 rs6000_explicit_options.float_gprs.
9971 2006-04-10 Roger Sayle <roger@eyesopen.com>
9973 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9974 from ix86_expand_vector_init_low_nonzero. Take an additional
9975 one_var argument indicating which element is non-zero. Support
9976 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9977 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9978 with one_var instead of ix86_expand_vector_init_low_nonzero.
9980 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9982 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9983 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9984 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9985 build/genextract.o): Depend on vecprim.h.
9986 * cfglayout.c, df-problems.c, function.c, genextract.c,
9987 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9988 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9992 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9994 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9995 Declare VECs of this type.
9996 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9997 (remove_children): Delete.
9998 (add_dwarf_attr): Use VEC routines.
9999 (add_AT_flag): Update for changes to add_dwarf_attr.
10000 (add_AT_int): Likewise.
10001 (add_AT_unsigned): Likewise.
10002 (add_AT_long_long): Likewise.
10003 (add_AT_vec): Likewise.
10004 (add_AT_string): Likewise.
10005 (add_AT_die_ref): Likewise.
10006 (add_AT_fde_ref): Likewise.
10007 (add_AT_loc): Likewise.
10008 (add_AT_loc_list): Likewise.
10009 (add_AT_addr): Likewise.
10010 (add_AT_lbl_id): Likewise.
10011 (add_AT_lineptr): Likewise.
10012 (add_AT_macptr): Likewise.
10013 (add_AT_offset): Likewise.
10014 (add_AT_range_list): Likewise.
10015 (get_AT): Use VEC_iterate.
10016 (remove_AT): Use VEC_ordered_remove.
10017 (free_die): Fold remove_children into here; have it use VEC_iterate.
10018 (print_die): Use VEC_iterate on attrs.
10019 (reverse_die_lists): Don't reverse attr lists.
10020 (die_checksum): Use VEC_iterate on attrs.
10021 (same_die_p): Likewise.
10022 (output_location_lists): Likewise.
10023 (build_abbrev_table): Likewise.
10024 (size_of_die): Likewise.
10025 (unmark_all_dies): Likewise.
10026 (output_abbrev_section): Likewise.
10027 (output_die): Likewise.
10028 (prune_unused_types_walk_attribs): Likewise.
10030 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10032 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10034 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10037 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10039 2006-04-09 Roger Sayle <roger@eyesopen.com>
10041 * expr.c (store_constructor): Don't bother clearing target if
10042 we're about to assign a vector to it using vec_init_optab.
10044 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10046 * tree-ssa-alias.c (lhs_may_store_to): New function.
10047 (recalculate_used_alone): Handle LHS of calls.
10049 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10053 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10054 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10055 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10056 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10057 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10058 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10059 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10060 stubs. Add ".align 8" directives before all ".dword" directives.
10061 (GTHREAD_USE_WEAK): Revise comment.
10062 (TARGET_ATTRIBUTE_WEAK): Define.
10063 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10064 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10065 * stublib.c: New file.
10070 * pa.md (cbranch patterns): Revise arguments used in calls to
10071 output_cbranch, output_bb and output_bvd. Add long branch length
10073 (fbranch patterns): Handle long branches.
10074 (jump): Revise length check. Revise arguments for output_lbranch call.
10075 Add long branch length attributes.
10076 (decrement_and_branch_until_zero): Add long branch length attributes.
10077 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10078 Likewise. Revise arguments for output_parallel_addb and
10079 output_parallel_movb calls.
10080 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10081 output_parallel_movb and output_parallel_addb): Update prototypes.
10082 * pa.c (output_cbranch): Revise arguments. Correct handling of
10083 nullification in long branches.
10084 (output_lbranch): Add new argument to control extraction of delay
10086 (output_bb): Handle long branches.
10087 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10088 output_parallel_addb): Likewise.
10090 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10092 PR rtl-optimization/27073
10093 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10096 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10098 * tree.h (tree_memory_tag): Add old_used_alone.
10099 (SMT_OLD_USED_ALONE): New macro.
10100 * tree-ssa-alias.c (recalculate_used_alone): Stop
10101 marking things for renaming unnecessarily.
10103 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10105 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10106 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10107 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10108 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10109 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10110 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10111 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10112 spelling convensions.
10113 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10114 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10115 typos. Follow spelling conventions.
10117 2006-04-07 DJ Delorie <dj@redhat.com>
10119 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10120 passed on the stack.
10121 (m32c_init_cumulative_args): When a function returns a structure,
10122 always pass the pointer to that return area on the stack.
10123 (m32c_function_arg_advance): Don't increment the parameter number
10124 if we're processing the returned structure pointer.
10125 (pushm_info): Reverse order of registers.
10127 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10129 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10130 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10131 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10132 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10133 build_int_cst_type.
10134 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10135 chrec_fold_multiply): Same.
10136 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10137 force_expr_to_var_cost): Same.
10138 * tree-mudflap.c (mf_xform_derefs_1): Same.
10139 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10141 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10143 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10144 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10147 2006-04-07 Jan Hubicka <jh@suse.cz>
10149 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10151 2006-04-07 Richard Guenther <rguenther@suse.de>
10153 PR tree-optimization/26135
10154 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10155 loads for store copy-prop.
10156 (copy_prop_visit_stmt): Likewise.
10158 2006-04-05 Robert Millan <robertmh@gnu.org>
10160 * config/i386/linux.h: Add a comment to mark macros that are
10161 being overriden in config/k*bsd-gnu.h.
10162 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10164 * config/knetbsd-gnu.h: Ditto.
10166 2006-04-06 Jan Hubicka <jh@suse.cz>
10170 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10173 2006-04-06 Mike Stump <mrs@apple.com>
10175 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10176 for HAVE_nonlocal_goto to be consistent.
10177 (expand_builtin_nonlocal_goto): Likewise.
10178 (expand_builtin_strcmp): Use #ifdef instead of #if
10179 for HAVE_cmpstrnsi to be consistent.
10181 2006-04-05 DJ Delorie <dj@redhat.com>
10183 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10186 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10188 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10189 got-relative addressing for anything but SImode.
10191 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10192 even if the calling function doesn't modify them.
10194 2006-04-05 Richard Guenther <rguenther@suse.de>
10196 PR tree-optimization/26919
10197 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10198 to cgraph_estimate_size_after_inlining.
10200 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10202 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10204 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10206 PR tree-optimization/26996
10207 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10208 VECTOR_TYPE variables.
10210 2006-04-05 Richard Guenther <rguenther@suse.de>
10212 PR tree-optimization/26763
10213 * fold-const.c (fold_comparison): Move folding of
10214 PTR + CST CMP PTR + CST ...
10215 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10217 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10219 * doc/install.texi (Prerequisites): Refine some wording on
10220 bootstrapping and ksh.
10221 Move the version numbers of DejaGnu here from the testing section
10222 and fix casing of names.
10223 Fix markup and clarify wording for autogen requirements.
10224 Refer to GCJ instead of just java.
10225 Refer to SVN instead of CVS.
10226 Describe diffutils as useful instead of necessary.
10227 (Downloading the source): Refer to SVN instead of CVS.
10228 Adjust a link to our web site accordingly.
10229 (Configuration): Fix casing of Bison.
10230 (Building): Refer to SVN instead of CVS.
10231 Fix a sentence on the use of Bison and remove duplicate (and
10232 incorrect) version number of Bison requirement.
10233 Remove one redundant list of packages needed for building.
10234 (Specific): Avoid reference to CVS.
10236 2006-04-04 Eric Christopher <echristo@apple.com>
10238 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10239 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10240 (rs6000_handle_struct_attribute): New.
10241 (rs6000_ms_bitfield_layout_p): Ditto.
10243 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10245 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10246 NULL for dso parameter to atexit_common.
10248 2006-04-04 Eric Christopher <echristo@apple.com>
10250 * config/i386/i386.c (machopic_output_stub): Output \t
10251 between instructions and operands.
10253 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10255 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10256 satisfies_constraint_[IL] to explicit tests on value.
10258 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10260 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10261 set_nb_iterations_in_loop): Use build_int_cst instead of
10262 build_int_cst_type.
10263 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10264 build_int_cst instead of convert.
10266 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10268 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10269 new value 2 for incoming.
10270 * function.c (expand_function_start): Call struct_value_rtx
10271 with incoming as 2.
10272 * config/sparc/sparc.md: Comment updated_return.
10273 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10274 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10275 struct return if sparc_std_struct_return and incoming is 2.
10276 (print_operand): Do not adjust return if
10277 sparc_std_struct_return.
10279 2006-04-04 Roger Sayle <roger@eyesopen.com>
10281 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10282 convert in the middle-end.
10283 * expr.c (store_expr, store_constructor, get_inner_reference,
10284 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10286 * tree.c (build_range_type): Likewise.
10288 2006-04-04 Tom Tromey <tromey@redhat.com>
10290 * doc/install.texi (Prerequisites): Mention jar.
10292 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10294 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10297 2006-04-04 Matthias Klose <doko@debian.org>
10299 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10303 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10306 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10308 * doc/extend.texi (Function Attributes): Rewrite visibility
10309 attribute documentation.
10310 * doc/invoke.texi (C++ Dialect Options): Rewrite
10311 -fvisibility-inlines-hidden documentation to describe something
10312 entirely different, although in practise compatible.
10313 (Code Gen Options): Warn about system headers in -fvisibility=
10316 * doc/extend.texi (Other Builtins): Document that
10317 __builtin_nan is a compile-time constant only when its argument
10320 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10322 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10323 trying to remove TRUNCATE check if all bits outside the new mode
10324 are identical to the sign bit.
10326 2006-04-03 Jeff Law <law@redhat.com>
10328 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10329 and operand scanning in some common cases.
10331 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10332 Dale Johannesen <dalej@apple.com>
10335 * regclass.c (struct reg_pref): Update documentation.
10336 (regclass): Set prefclass to NO_REGS if memory is the best option.
10337 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10338 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10339 into account. For non-registers, equate an empty preferred
10340 reload class to a `!' in the constraint; move the if clause to
10341 do so after those that reject the insn.
10342 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10344 (find_dummy_reload): Likewise.
10345 * doc/tm.texi (Register Classes): Document what it means
10346 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10347 * config/i386/i386.c (ix86_preferred_reload_class): Force
10348 using SSE registers (and return NO_REGS for floating-point
10349 constants) if math is done with SSE.
10350 (ix86_preferred_output_reload_class): New.
10351 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10352 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10353 * config/i386/i386.md: Remove # register preferences.
10355 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10358 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10359 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10360 the type of nb_iter.
10361 (instantiate_parameters_1): Convert the operands before calling
10362 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10363 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10365 2006-04-02 Roger Sayle <roger@eyesopen.com>
10367 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10368 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10369 instead of convert.
10370 * dojump.c (do_jump): Likewise.
10371 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10372 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10373 gimplify_boolean_expr): Likewise.
10374 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10375 * varasm.c (array_size_for_constructor): Likewise.
10376 * tree-object-size.c (compute_object_offset): Likewise.
10378 2006-04-02 Roger Sayle <roger@eyesopen.com>
10380 PR middle-end/26977
10381 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10382 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10384 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10386 PR tree-optimization/26939
10387 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10389 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10391 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10392 at_stmt. Convert the type of operands before calling
10393 build_polynomial_chrec.
10394 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10395 add_to_evolution_1.
10396 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10397 (instantiate_parameters_1): Convert the type of operands before calling
10398 build_polynomial_chrec.
10399 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10400 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10401 reset_evolution_in_loop): Insert asserts to check the types of the
10403 (chrec_type): Moved...
10404 (eq_evolutions_p): Use operand_equal_p.
10405 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10406 the types of the operands.
10407 (chrec_type): ...here.
10408 * tree-data-ref.c (create_data_ref): Convert the operands before
10409 calling chrec_replace_initial_condition.
10410 (same_access_functions, analyze_subscript_affine_affine,
10411 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10412 (compute_subscript_distance, analyze_ziv_subscript,
10413 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10414 analyze_miv_subscript): Convert the operands before calling
10415 chrec_fold_minus or chrec_fold_plus.
10417 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10419 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10420 the dependence_relations vector.
10421 (compute_data_dependences_for_loop): Adjust call to
10422 compute_all_dependences.
10424 2006-04-01 Roger Sayle <roger@eyesopen.com>
10425 Richard Henderson <rth@redhat.com>
10427 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10428 gimple_boolify on the condition before calling gimplify_expr.
10430 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10432 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10433 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10434 the frame size. Update to use the new macros.
10435 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10436 * config/xtensa/ieee754-df.S: Likewise.
10438 2006-03-31 Richard Henderson <rth@redhat.com>
10440 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10441 (make_edges): ... here. Control fallthru creation with a local
10442 variable. Do not play with fake edges.
10443 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10444 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10447 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10449 * dwarf2.h (DW64_CIE_ID): Define.
10450 * dwarf2out.c (DWARF_CIE_ID): Define.
10451 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10452 length header. Use DWARF_CIE_ID.
10453 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10454 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10456 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10458 * config/sh/linux-atomic.asm: New file.
10459 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10461 2006-03-31 DJ Delorie <dj@redhat.com>
10463 * config/m32c/cond.md: Set condition flags properly throughout.
10464 * config/m32c/minmax.md: Likewise.
10465 * config/m32c/prologue.md: Likewise.
10466 * config/m32c/bitops.md: Likewise.
10467 * config/m32c/muldiv.md: Likewise.
10468 * config/m32c/mov.md: Likewise.
10469 * config/m32c/addsub.md: Likewise.
10470 * config/m32c/m32c.md: Likewise.
10471 * config/m32c/jump.md: Likewise.
10472 * config/m32c/shift.md: Likewise.
10474 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10475 conditionally output the pattern for this.
10476 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10477 (m32c_compare_redundant): New.
10478 (m32c_output_compare): New.
10479 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10481 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10482 dest, not src. Allow other 4-byte modes.
10484 2006-03-30 Denis Chertykov <denisc@overta.ru>
10486 * doc/md.texi: Refer to avr/constraints.md instead of
10489 2006-03-30 Roger Sayle <roger@eyesopen.com>
10491 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10492 signed vs. unsigned comparison failures on some hosts.
10494 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10497 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10498 change to FLOAT_REGS.
10500 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10501 (rs6000_override_options): Use it.
10502 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10503 only for -mabi=spe/no-spe and -mabi=altivec.
10505 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10507 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10510 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10512 * Makefile.in: Rename docdir to gcc_docdir.
10514 2006-03-30 Roger Sayle <roger@eyesopen.com>
10517 * expr.c (emit_group_store): Optimize group stores into a pseudo
10518 register by using a paradoxical subreg to initialize the destination
10519 if the first or last member of the group specifies a "low part".
10521 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10524 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10525 * target.h (struct gcc_target.speculate_insn): Change type of the
10526 second parameter to 'int'.
10527 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10528 the second operand of the DEPS_LIST.
10529 (copy_DEPS_LIST_list): Update reference to the second operand of the
10531 * rtl.h (alloc_DEPS_LIST): Update signature.
10532 * sched-int.h (ds_t): Change typedef to 'int'.
10533 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10535 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10537 * haifa-sched.c (try_ready): Change condition to restore
10538 non-speculative pattern of the instruction.
10539 (process_insn_depend_be_in_spec): Code to keep probability of the
10540 speculative dependence non-decreasing.
10542 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10544 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10545 (single_move_for_movmem): ... this. Also change all uses.
10546 (bfin_expand_strmov): Renamed to...
10547 (bfin_expand_movmem): ... this. Also change all uses.
10548 * config/bfin/bfin.md (movstrsi): Renamed to...
10549 (movstrsi): ...this.
10551 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10553 PR tree-optimization/26830
10555 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10556 (copy_prop_visit_stmt): Remove write-only variable ann.
10557 (init_copy_prop): Check variable loop depth here. Do not simulate
10558 memory-tag and virtual operand PHIs except for store copy prop.
10560 2006-03-30 Richard Guenther <rguenther@suse.de>
10562 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10563 variants with double arguments.
10565 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10567 * genpreds.c (write_tm_constrs_h): Delete variable p.
10568 * genconditions.c (write_header): Add tm-constrs.h to included
10570 * genpeep.c (main): Add toplev.h to included headers.
10571 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10572 (build/genpeep.o): Add toplev.h dependency.
10573 * config/rs6000/constraints.md: Add "W" constraint.
10575 2006-03-29 Roger Sayle <roger@eyesopen.com>
10577 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10578 sizes by correctly testing whether the size fits a host integer.
10579 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10580 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10581 SImode range for the default sizetype and bitsizetype.
10583 2006-03-29 Roger Sayle <roger@eyesopen.com>
10585 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10586 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10587 quickly if the argument is already of the correct type.
10588 Call fold_build1 instead of build1. Tidy up blank lines.
10590 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10592 * genemit.c (main): Add tm-constrs.h to included headers.
10593 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10594 * genpeep.c (main): Add tm-constrs.h to included headers.
10595 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10596 (write_tm_constrs_h): this and write complete file.
10597 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10598 (write_insn_preds_c): Add tm-constrs.h to included headers.
10599 (gen_constrs): New variable.
10600 (parse_option): Parse "-c".
10601 (main): Invoke write_tm_constrs_h.
10602 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10603 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10604 (object_out_file): Add tm-constrs.h dependency.
10605 (insn-emit.o): Same.
10606 (insn-output.o): Same.
10607 (insn-peep.o): Same.
10608 (insn-preds.o): Same.
10609 (insn-recog.o): Same.
10610 (tm-constsr.h): New target.
10611 (s-constrs-h): New target.
10613 * config/rs6000/constraints.md: New file.
10614 * config/rs6000/rs6000.c: Include tm-constrs.h.
10615 (num_insn_constant_wide): Convert to satisfies_constraint.
10616 (rs6000_rtx_costs): Convert to satisfies_constraint.
10617 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10618 (CONST_OK_FOR_LETTER_P): Delete.
10619 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10620 (EXTRA_CONSTRAINT): Delete.
10621 (EXTRA_MEMORY_CONSTRAINT): Delete.
10622 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10623 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10624 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10625 satisfies_constraint.
10627 * config/i386/i386.c: Include tm-constrs.h.
10629 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10631 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10632 * tree-data-ref.c (find_data_references_in_loop,
10633 compute_data_dependences_for_loop): Use pointers to VEC.
10634 (analyze_all_data_dependences): Adjust calls.
10635 * tree-data-ref.h (find_data_references_in_loop,
10636 compute_data_dependences_for_loop): Adjust declarations.
10637 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10638 compute_data_dependences_for_loop.
10640 2006-03-29 Paul Brook <paul@codesourcery.com>
10642 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10643 (movdf_vfp): Ditto.
10645 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10647 PR tree-optimization/26859
10648 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10650 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10651 for the step after fold_convert.
10653 2006-03-29 Paul Brook <paul@codesourcery.com>
10655 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10656 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10658 2006-03-29 Paul Brook <paul@codesourcery.com>
10660 PR middle-end/23623
10661 * targhooks.c (default_narrow_bitfield): New fuction.
10662 * targhooks.h (default_narrow_bitfield): add prototype.
10663 * target.h (gcc_target): Add narrow_volatile_bitfield.
10664 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10665 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10666 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10667 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10669 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10671 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10673 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10674 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10675 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10676 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10677 (s390_function_arg_float): Allow SDmode and DDmode values to be
10678 passed in floating point registers.
10679 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10680 check with SCALAR_FLOAT_MODE_P.
10681 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10683 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10685 PR tree-optimization/25985
10686 * tree-ssa-loop-niter.c (number_of_iterations_le,
10687 number_of_iterations_ne): Make comments more precise.
10688 (number_of_iterations_cond): Add only_exit argument. Use the
10689 fact that signed variables do not overflow only when only_exit
10691 (loop_only_exit_p): New.
10692 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10693 number_of_iterations_cond.
10695 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10697 PR tree-optimization/26643
10698 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10701 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10703 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10704 (divsi3_i4_int): Likewise.
10706 2006-03-28 Roger Sayle <roger@eyesopen.com>
10708 * expr.c (emit_group_store): Only create a new pseudo reg if the
10709 quantity it needs to hold isn't already a suitable pseudo.
10711 2006-03-28 Jeff Law <law@redhat.com>
10713 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10714 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10716 2006-03-28 Roger Sayle <roger@eyesopen.com>
10718 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10719 the equivalent ~X & Y, and the symmetry related transformations.
10720 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10721 ~X & Y, and symmetry related transforms.
10723 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10725 Revert my 2006-03-27 patches.
10727 2006-03-28 Roger Sayle <roger@eyesopen.com>
10729 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10730 ~(T1)X, when T1 and T2 are integer types of the same precision
10731 and (T2)X isn't an extension.
10733 2006-03-28 Jeff Law <law@redhat.com>
10735 PR tree-optimization/26796
10736 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10737 need EH edge cleanups rather than purging them immediately.
10738 (eliminate_degenerate_phis): Handle queued EH cleanups.
10740 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10742 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10745 2006-03-27 Roger Sayle <roger@eyesopen.com>
10747 PR middle-end/22524
10748 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10749 cast BIT_NOT_EXPR operand to the correct type.
10751 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10753 * tree-loop-linear.c: Don't include varray.h.
10754 (gather_interchange_stats, try_interchange_loops,
10755 linear_transform_loops): Use VEC instead of VARRAY.
10756 * lambda-mat.c: Don't include varray.h.
10757 * tree-chrec.c: Same.
10758 * lambda-trans.c: Same.
10759 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10760 VEC instead of VARRAY.
10761 * tree-vectorizer.h: Idem.
10762 * tree-data-ref.c (dump_data_references,
10763 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10764 initialize_data_dependence_relation, finalize_ddr_dependent,
10765 compute_all_dependences, find_data_references_in_loop,
10766 compute_data_dependences_for_loop, analyze_all_data_dependences,
10767 free_dependence_relation, free_dependence_relations,
10768 free_data_refs): Idem.
10769 * tree-data-ref.h (data_reference_p, subscript_p): New.
10770 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10771 VEC instead of VARRAY.
10772 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10773 (find_data_references_in_loop, compute_data_dependences_for_loop,
10774 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10775 dump_data_dependence_relations, free_dependence_relations,
10776 free_data_refs): Adjust declaration.
10777 (lambda_transform_legal_p): Move declaration here...
10778 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10779 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10780 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10781 vect_analyze_data_refs): Use VEC instead of VARRAY.
10782 * lambda.h (lambda_transform_legal_p): ...from here.
10783 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10784 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10785 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10786 tree-chrec.o): Don't depend on VARRAY_H.
10788 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10790 * rtl.def (Copyright): Update date.
10791 (DEPS_LIST): Change type of the second operand to 'int'.
10792 * target.h (Copyright): Update date.
10793 (struct gcc_target.speculate_insn): Change type of the second parameter
10795 * lists.c (Copyright): Update date.
10796 (alloc_DEPS_LIST): Change signature. Update reference to the second
10797 operand of the DEPS_LIST.
10798 (copy_DEPS_LIST_list): Update reference to the second operand of the
10800 * rtl.h (Copyright): Update date.
10801 (alloc_DEPS_LIST): Update signature.
10802 * sched-int.h (Copyright): Update date.
10803 (ds_t): Change typedef to 'int'.
10804 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10806 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10808 * haifa-sched.c (Copyright): Update date.
10809 (try_ready): Change condition to restore non-speculative pattern
10810 of the instruction.
10811 (process_insn_depend_be_in_spec): Code to keep probability of the
10812 speculative dependence non-decreasing.
10814 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10816 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10817 shut up the compiler.
10819 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10821 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10822 to use lib prefix for target.
10823 ($(T)libic_invalidate_array_4-200.a): Likewise.
10824 ($(T)libic_invalidate_array_4a.a): Likewise.
10826 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10827 J"orn Rennecke <joern.rennecke@st.com>
10829 * superh.opt: New file.
10830 * sh.c (boardtype, osruntime): Remove.
10831 * superh.h (SUBTARGET_OPTIONS): Remove.
10832 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10834 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10835 arguments with ^ and/or [].
10837 * config.gcc (sh-*-*): Add quoting to account for quirk of
10839 Replace == with = in enable_incomplete_targets test.
10841 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10842 with MASK_LITTLE_ENDIAN.
10844 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10845 * config/sh/sh.opt: Added to some comments.
10846 * config/sh/superh.h: Removed some chaff.
10848 * config/sh/sh.opt: Add m4-[1234]00* options.
10849 * config/sh/sh.c (sh_handle_option): Likewise.
10850 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10851 (ic_invalidate_array_4-100.o): New rule.
10852 ($(T)libic_invalidate_array_4-100.a): Likewise.
10853 (ic_invalidate_array_4-200.o): Likewise.
10854 ($(T)libic_invalidate_array_4-200.a): Likewise.
10855 (ic_invalidate_array_4a.o): Likewise.
10856 ($(T)libic_invalidate_array_4a.a): Likewise.
10857 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10858 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10860 * config/sh/crt1.asm: Merged in profiling code.
10861 * config/sh/superh.h (STARTFILE_SPEC): Override.
10862 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10863 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10864 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10866 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10867 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10868 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10870 * sh.opt (mpretend-cmove): New option.
10871 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10872 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10873 (movsicc): Add TARGET_PRETEND_CMOVE code.
10875 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10877 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10878 s390_class_max_nregs): New function prototypes.
10879 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10880 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10881 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10882 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10884 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10886 * dwarf2out.c (add_location_or_const_value_attribute): Call
10887 tree_add_const_value_attribute if nothing else works.
10888 (reference_to_unused): New.
10889 (rtl_for_decl_init): Use reference_to_unused to decide whether
10890 to output an initializer.
10892 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10895 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10896 peephole removing spe frob_di_df_2.
10898 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10900 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10901 (subscript_dependence_tester_1): Declared.
10902 (print_dir_vectors, print_dist_vectors): New.
10903 (debug_data_dependence_relation): New.
10904 (dump_data_dependence_relation): Print more details.
10905 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10906 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10907 (save_dist_v, save_dir_v, add_outer_distances,
10908 build_classic_dist_vector_1): New.
10909 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10910 Don't test for lambda_vector_lexico_pos.
10911 (same_access_functions, add_multivariate_self_dist,
10912 add_other_self_distances, dir_from_dist): New.
10913 (build_classic_dir_vector): Replace implementation almost identical to
10914 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10916 (subscript_dependence_tester_1): New.
10917 (subscript_dependence_tester): Handle the lexicographically negative
10918 distance vectors by recomputing the dependence relation.
10919 (compute_affine_dependence): Remove parameter loop_nest_depth.
10920 (compute_self_dependence): Don't call compute_subscript_distance.
10921 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10922 Add a parameter for the loop_nest.
10923 (find_loop_nest_1, find_loop_nest): New.
10924 (compute_data_dependences_for_loop): Compute the loop nest, and give
10925 up if the nest is not well formed.
10926 * tree-data-ref.h (loop_p): New.
10927 (struct data_dependence_relation): Replace size_vect field with
10928 loop_nest, a vec of loops.
10929 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10930 (DDR_LOOP_NEST): New.
10931 (print_dir_vectors, print_dist_vectors,
10932 debug_data_dependence_relation): Declared.
10933 (index_in_loop_nest): New.
10934 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10935 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10938 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10940 * simplify-rtx.c (simplify_relational_operation): Call
10941 simplify_relational_operation_1 even if mode is VOIDmode.
10943 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10945 PR tree-optimization/26804
10946 * tree.h (DECL_CALL_CLOBBERED): New macro.
10947 (tree_decl_common): Add call_clobbered_flag.
10948 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10949 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10950 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10951 (mark_non_addressable): Ditto.
10952 * tree-ssa.c (verify_call_clobbered): New function.
10953 (verify_alias_info): Use it.
10954 * tree-pass.h (pass_reset_cc_flags): New prototype.
10955 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10956 (reset_cc_flags): New function.
10957 * passes.c (init_optimization_passes): Call reset_cc_flags after
10958 initializing referenced_vars.
10960 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10961 Roger Sayle <roger@eyesopen.com>
10963 PR middle-end/26717
10964 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10965 to 1.0 for non-real operands. Implement A / A optimization for
10968 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10970 * config/i386/i386.c (size_cost): Correct the comment for
10971 cost of storing fp registers.
10972 (i386_cost): Likewise.
10973 (i486_cost): Likewise.
10974 (pentium_cost): Likewise.
10975 (pentiumpro_cost): Likewise.
10976 (k6_cost): Likewise.
10977 (athlon_cost): Likewise.
10978 (k8_cost): Likewise.
10979 (pentium4_cost): Likewise.
10980 (nocona_cost): Likewise.
10981 (generic64_cost): Likewise.
10982 (generic32_cost): Likewise.
10984 2006-03-24 Denis Chertykov <denisc@overta.ru>
10986 * config/avr/avr-protos.h (extra_constraint): Delete.
10987 (extra_constraint_Q): New declaration.
10988 * config/avr/constraints.md: New file.
10989 * config/avr/avr.md: Include it.
10990 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10991 (TMP_REGNO, ZERO_REGNO): Likewise.
10992 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10993 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10994 (extra_constraint): Delete.
10995 (extra_constraint_Q): Test for memory constraint 'Q'.
10996 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10997 (REG_CLASS_FROM_LETTER): Delete.
10998 (CONST_OK_FOR_LETTER_P): Delete.
10999 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11000 (EXTRA_CONSTRAINT): Delete.
11001 (TMP_REGNO): Delete.
11002 (ZERO_REGNO): Delete.
11004 2006-03-24 Jeff Law <law@redhat.com>
11006 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11007 directly. Call mark_new_vars_to_rename slightly earlier.
11009 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11011 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11012 (is_cxx): Likewise.
11013 (gen_compile_unit_die): Use new language types for Objective-C and
11015 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11016 DW_LANG_C_plus_plus.
11019 * config/t-darwin (crt3.o): Work around bug 26840.
11020 * config/darwin-crt3.c: Rewrite.
11021 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11023 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11025 * doc/invoke.texi: Document -femit-class-debug-always
11026 * common.opt: Add -femit-class-debug-always.
11028 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11030 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11031 index and base register.
11032 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11033 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11034 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11035 REGNO_OK_FOR_INDEX_P.
11036 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11038 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11039 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11040 REG_OK_FOR_BASE_P): Definitions removed.
11042 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11044 PR middle-end/26611
11045 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11046 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11047 set yet or weren't marked as local yet.
11049 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11051 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11054 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11056 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11057 (rs6000_legitimate_small_data_p): Delete.
11058 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11059 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11060 and make static. Add forward declaration. Update uses.
11061 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11062 of offsettable_memref_p.
11063 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11064 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11066 2006-03-24 Jeff Law <law@redhat.com>
11068 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11069 around bug in immediate-use iterator.
11071 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11074 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11075 or __LITTLE_ENDIAN__.
11077 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11079 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11080 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11081 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11082 * config/sh/sh.opt (mdiv=): Amend description.
11083 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11084 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11085 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11086 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11087 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11088 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11089 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11090 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11091 TARGET_DIVIDE_CALL_FP.
11093 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11095 * haifa-sched.c (choose_ready): Fix type of the local variable.
11096 Move local variables. Add comment.
11097 (check_reg_live): Change signature. Make callable from debugger.
11098 * sched-int.h (check_reg_live): Update signature.
11099 * sched-ebb.c (check_reg_live): Update parameters.
11100 * sched-rgn.c (check_reg_live): Ditto.
11101 (region_head_or_leaf_p): Check pointer before dereferencing.
11102 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11103 before reload on optimization levels below 1.
11105 2006-03-23 Richard Henderson <rth@redhat.com>
11107 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11111 * config/alpha/predicates.md (local_symbolic_operand): Reject
11114 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11117 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11118 expressions which have overflowed constants.
11120 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11122 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11124 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11126 * cfgloopmanip.c (create_loop_notes): Removed.
11127 * final.c (final_scan_insn): Do not handle loop notes.
11128 * jump.c (squeeze_notes): Ditto.
11129 * cfglayout.c (skip_insns_after_block,
11130 duplicate_insn_chain): Ditto.
11131 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11133 * cfgloop.h (create_loop_notes): Declaration removed.
11135 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11137 * varasm.c (output_constant_pool): Restore fnname and fndecl
11139 (assemble_start_function): Adjust call accordingly.
11140 (assemble_end_function): Likewise.
11142 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11145 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11148 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11150 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11153 * system.h (ICE_EXIT_CODE): New macro.
11154 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11155 (diagnostic_action_after_output): Likewise.
11156 * gcc.c (fatal_ice): New function.
11157 (execute): Use it instead of fatal.
11158 (fancy_abort): Likewise.
11159 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11161 2006-03-22 Jeff Law <law@redhat.com>
11163 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11164 iv_analyze_result returning false.
11166 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11168 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11170 2006-03-22 Richard Henderson <rth@redhat.com>
11172 PR middle-end/26084
11173 * except.c (duplicate_eh_regions_0): New.
11174 (duplicate_eh_region_1): Duplicate the children of the node as
11175 well as the node itself. Link them up properly.
11176 (duplicate_eh_region_2): Merge into ...
11177 (duplicate_eh_regions): ... here. Take copy_region argument, and
11178 copy only a sub-tree if asked. Simplify copying and fixup.
11179 (eh_region_outer_p): New.
11180 * except.h (duplicate_eh_regions): Update decl.
11181 (eh_region_outer_p): Declare.
11182 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11183 (lower_omp_master): Likewise.
11184 (lower_omp_ordered): Likewise.
11185 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11186 (move_stmt_r): Use it to remap labels. Handle recursion vs
11187 remap_decls_p properly.
11188 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11189 (find_outermost_region_in_block): New.
11190 (new_label_mapper): New.
11191 (move_sese_region_to_fn): Copy eh information to the new function
11193 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11195 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11198 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11200 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11201 into shared libraries.
11203 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11205 * doc/md.texi: Refer to i386/constraints.md instead of
11206 i386/predicates.md.
11207 * config/i386/constraints.md: New file, extracted from...
11208 * config/i386/predicates.md: ...here.
11209 * config/i386/i386.md: Include constraints.md.
11211 2006-03-21 Jason Merrill <jason@redhat.com>
11213 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11215 PR middle-end/20297
11216 * expr.c (init_block_move_fn): Force default visibility.
11217 (init_block_clear_fn): Likewise.
11218 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11219 * targhooks.c (default_external_stack_protect_fail): Likewise.
11221 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11223 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11224 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11225 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11226 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11227 (loadgp): Use mips_current_loadgp_style.
11228 (loadgp_noshared): New pattern.
11229 (sibcall_internal): Use MIPS_CALL.
11230 (sibcall_value_internal): Likewise.
11231 (sibcall_value_multiple_internal): Likewise.
11232 (call_internal): Likewise.
11233 (call_value_internal): Likewise.
11234 (call_value_multiple_internal): Likewise.
11235 (call_split): Use MIPS_CALL and add an 'S' constraint.
11236 (call_value_split): Likewise.
11237 (call_value_multiple_split): Likewise.
11238 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11239 (-mshared): New option.
11240 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11241 (mips_current_loadgp_style): Declare.
11242 * config/mips/mips.c (mips_classify_symbol): Avoid using
11243 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11244 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11245 TARGET_ABSOLUTE_ABICALLS.
11246 (override_options): Adjust comments. Improve the warning that is
11247 issued when -mabicalls and -G are used together.
11248 (mips_file_start): Remove comment.
11249 (mips_current_loadgp_style): New function.
11250 (mips_gnu_local_gp): New variable.
11251 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11253 (mips_output_function_prologue): Use mips_current_laodgp_style.
11254 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11255 the cprestore instruction.
11256 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11257 live for TARGET_ABSOLUTE_ABICALLS.
11258 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11259 (ASM_SPEC): Pass down -mshared and -mno-shared.
11260 (MIPS_CALL): New macro.
11261 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11263 * doc/invoke.texi (-mabicalls): Update documentation.
11264 (-mshared): Document.
11266 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11268 * config/ia64/unwind-hpux.c: New file.
11269 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11271 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11274 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11276 2006-03-21 Jeff Law <law@redhat.com>
11278 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11279 type conversions of a VR_VARYING source to a wider type.
11281 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11283 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11284 tm_file on Solaris 10 and later.
11285 (sparc64-*-solaris2*): Likewise.
11286 (sparc-*-solaris2*): Likewise.
11287 * config/sol26.h: Rename to config/sol2-6.h.
11288 * config/sol2-10.h: New file.
11290 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11293 * tree-ssa-pre.c (create_component_ref_by_pieces):
11296 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11299 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11300 return it immediately.
11302 2006-03-21 Michael Matz <matz@suse.de>
11304 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11306 (remove_arc, add_arc): Update num_out_arcs member.
11307 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11309 (cache_presence): New function.
11310 (compare_states_for_equiv): New function.
11311 (state_is_differed): Don't take number of outargs, adjust callers.
11312 Use new invariant for speeding up.
11313 (init_equiv_class): Create initial classes based on sorted
11315 (partition_equiv_class): Don't track out_arcs_num.
11316 (evaluate_equiv_classes): Call cache_presence on all states and
11319 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11321 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11322 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11323 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11324 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11326 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11327 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11328 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11329 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11330 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11332 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11333 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11334 (REGNO_REG_CLASS): ARGP is in PREGS.
11335 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11337 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11338 to deal with those addresses.
11339 * addresses.h: New file.
11340 * caller-save.c: Include "addresses.h".
11341 (init_caller_save): Use new base_reg_class function.
11342 * rtl-factoring.c: Include "addresses.h".
11343 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11344 * recog.c: Include "addresses.h".
11345 (preprocess_constraints): Use new base_reg_class function.
11346 * regrename.c: Include "addresses.h".
11347 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11348 functions. Keep track of a new var INDEX_CODE to compute valid
11350 (replace_oldest_value_addr): Likewise.
11351 (replace_oldest_value_mem): Use base_reg_class.
11352 * reload.c: Include "addresses.h".
11353 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11354 (find_reloads): Use new base_reg_class function.
11355 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11356 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11357 all callers and prototype changed.
11358 * reload1.c: Include "addresses.h".
11359 (maybe_fix_stack_asms): Use base_reg_class.
11360 * regclass.c: Include "addresses.h".
11361 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11362 (init_reg_autoinc): Use new base_reg_class function.
11363 (record_reg_classes): Likewise.
11364 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11365 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11366 Use new args to compute necessary class.
11368 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11369 regrename.o, rtl-factoring.o): Update dependencies.
11370 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11371 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11372 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11373 REG_OK_FOR_INDEX_P): Delete documentation.
11375 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11377 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11378 from V7 to V9 for Solaris 7 and above.
11380 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11382 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11383 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11384 argument pointers may not alias any other storage.
11385 * common.opt: Define option -fargument-noalias-anything.
11386 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11387 alias semantics is specified by flag_argument_noalias > 2.
11389 2006-03-20 Jeff Law <law@redhat.com>
11391 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11392 (pass_phi_only_cprop): Declare.
11393 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11394 with phi_only_cprop
11395 * tree-ssa-dom.c (degenerate_phi_result): New function.
11396 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11397 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11398 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11399 (eliminate_degenerate_phis): Likewise.
11400 (pass_phi_only_cprop): New pass descriptor.
11401 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11402 support code. Callers updated.
11403 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11404 (store_copy_prop): Likewise.
11405 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11407 2006-03-20 Jason Merrill <jason@redhat.com>
11410 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11411 (push_visibility, pop_visibility): Likewise.
11412 * c-pragma.h: Declare them.
11414 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11416 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11418 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11419 parameter and use get_ebb_head_tail.
11420 (sh_md_init_global): Adjust uses of find_regmode_weight.
11422 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11424 * function.h (struct function) <x_tail_recursion_reentry>:
11425 Rename to x_stack_check_probe_note.
11426 (tail_recursion_reentry): Rename to stack_check_probe_note.
11427 * function.c: Replace tail_recursion_reentry with
11428 stack_check_probe_note everywhere.
11429 (expand_function_start): Only emit a note for
11430 stack_check_probe_note with -fstack-protect.
11431 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11433 * emit-rtl.c (remove_unnecessary_notes): Remove.
11434 (pass_remove_unnecessary_notes): Remove.
11435 * rtl.h (remove_unnecessary_notes): Remove prototype.
11436 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11437 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11438 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11440 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11443 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11444 (valid_in_set): Handle ARRAY_REF.
11445 Change "if min_variant or VH" to asserts.
11446 (create_component_ref_by_pieces): Handle ARRAY_REF.
11447 (create_expression_by_pieces): Likewise.
11448 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11450 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11452 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11453 is operand of switch, not str[0].
11455 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11457 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11458 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11460 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11462 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11463 end of insn_extra_address_constraint declaration.
11465 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11467 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11468 (no-sum-in-toc): Same.
11469 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11471 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11472 NO_FP_IN_TOC for -fPIC instead of mask.
11474 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11475 (BOOT_LDFLAGS): Delete.
11477 * config/rs6000/t-aix52: Same.
11479 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11480 (stmsi[345678]_power): New.
11482 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11484 * config/ia64/ia64.opt: Add empty line to end of file.
11486 2006-03-17 Richard Guenther <rguenther@suse.de>
11488 PR middle-end/26721
11489 * builtins.c (get_pointer_alignment): For component style references
11490 adjust alignment to the component type alignment. Make sure
11491 to adjust alignment for component access of constants.
11493 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11495 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11496 unconditional jump.
11498 2006-03-17 Paul Brook <paul@codesourcery.com>
11500 * doc/install.texi: Docuemnt --with-mode.
11501 * config.gcc: Add --with-mode for arm*-*-*.
11502 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11504 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11506 * sh.c (max_labelno_before_reorg): New variable.
11507 (sh_reorg): Initialize it.
11508 (find_barrier): Check max_labelno_before_reorg before using
11509 label_to_alignment. Take length of explicit alignment insns
11510 into account. When seeing a UNSPECV_CONST_END, return it.
11512 * sh.c (fixup_mova): Set mode of affected label to QImode.
11513 (untangle_mova): New function.
11514 (find_barrier): Use it. Check mode of label before decrementing
11516 (sh_reorg): Likewise.
11517 Set mode of all insns back to VOIDmode.
11519 * sh.c (MOVA_LABELREF): New macro.
11520 (mova_p, fixup_mova, sh_reorg): Use it.
11521 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11522 ADDR_DIFF_VEC matches mova.
11524 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11526 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11527 with ATTRIBUTE_UNUSED.
11529 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11531 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11532 pointer, instead of assuming it is possible to derive the
11533 correct args size from a call insn.
11535 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11537 * rtl.h (CONST_INT_P): Define.
11538 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11539 instead of GET_CODE(x) == CONST_INT.
11540 (vax_rtx_costs): Likewise.
11541 (vax_output_int_move): Likewise.
11542 (vax_output_int_add): Likewise.
11543 (legitimate_constant_address_p): Likewise.
11544 (index_term_p): Likewise.
11545 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11546 * config/vax/vax.md (and<mode>3): Likewise.
11547 (ashrsi3): Likewise.
11549 (movstricthi): Likewise.
11550 (movstrictqi): Likewise.
11551 (rotrsi3): Likewise.
11552 (five unnamed insns): Likewise.
11554 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11556 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11557 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11558 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11559 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11560 Pass to ASM_OUTPUT_DWARF_OFFSET.
11561 * dwarf2out.c (debug_frame_section): New.
11562 (output_call_frame_info): Use debug_frame_section. Pass it to
11563 dw2_asm_output_offset.
11564 (output_die): Pass appropriate section to dw2_asm_output_offset.
11565 (output_compilation_unit_header): Likewise.
11566 (output_pubnames): Likewise.
11567 (output_aranges): Likewise.
11568 (enum dw_val_class): Break dw_val_class_lbl_offset into
11569 dw_val_class_lineptr and dw_val_class_macptr.
11570 (add_AT_lbl_offset): Delete.
11571 (add_AT_lineptr): New.
11572 (add_AT_macptr): New.
11573 (AT_lbl): Expect a lineptr or macptr.
11574 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11575 (attr_checksum): Likewise.
11576 (same_dw_val_p): Likewise.
11577 (size_of_die): Likewise.
11578 (value_format): Likewise.
11579 (output_die): Likewise.
11580 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11582 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11583 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11584 * config/darwin-protos.h (darwin_file_start): New.
11585 (darwin_asm_output_dwarf_offset): New.
11586 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11587 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11589 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11590 if not EH section; simplify.
11591 (darwin_file_start): New.
11592 (darwin_asm_output_dwarf_offset): New.
11593 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11595 (DEBUG_INFO_SECTION): Likewise.
11596 (DEBUG_ABBREV_SECTION): Likewise.
11597 (DEBUG_ARANGES_SECTION): Likewise.
11598 (DEBUG_MACINFO_SECTION): Likewise.
11599 (DEBUG_LINE_SECTION): Likewise.
11600 (DEBUG_LOC_SECTION): Likewise.
11601 (DEBUG_PUBNAMES_SECTION): Likewise.
11602 (DEBUG_STR_SECTION): Likewise.
11603 (DEBUG_RANGES_SECTION): Likewise.
11604 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11605 (ASM_OUTPUT_DWARF_OFFSET): New.
11607 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11609 * config.gcc (tm_defines): Always add to previous value rather
11612 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11614 * config/mips/predicates.md (splittable_const_int_operand): New,
11615 split from move_operand.
11616 (splittable_symbolic_operand): New.
11617 (move_operand): Add commentary. Use splittable_const_int_operand.
11618 Inline mips_atomic_symbolic_constant_p.
11619 * config/mips/mips.md: Add combine splitters for handling moves
11620 of splittable_const_int_operands and splittable_symbolic_operands.
11621 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11622 (mips_split_symbol): Declare.
11623 (mips_move_integer): Declare.
11624 * config/mips/mips.c (mips_split_p): Make global.
11625 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11626 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11627 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11628 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11629 (mips_offset_within_object_p): Handle block symbols.
11630 (mips_atomic_symbolic_constant_p): Delete.
11631 (mips_cannot_force_const_mem): Return false for constants that
11632 mips_legitimize_move can handle.
11633 (mips_use_blocks_for_constant_p): New function.
11634 (mips_split_symbol): Make global.
11635 (mips_move_integer): Likewise. Add a temporary register argument.
11636 (mips_legitimize_const_move): Use splittable_const_int_operand and
11637 splittable_symbolic_operand.
11638 (mips_use_anchors_for_symbol_p): New function.
11639 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11640 (mips_split_p): Declare.
11642 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11644 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11645 (mips*-*-linux*): Likewise.
11647 2006-03-16 Roger Sayle <roger@eyesopen.com>
11648 Daniel Speyer <dspeyer@wam.umd.edu>
11650 PR middle-end/18259
11651 * tree-dump.c (dump_real): New function.
11652 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11653 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11654 (tree-dump.o): Add $(REAL_H) to the dependencies.
11656 2006-03-16 Roger Sayle <roger@eyesopen.com>
11658 PR middle-end/21781
11659 * real.c (real_from_string): If the mantissa is zero, don't bother
11660 parsing the exponent as the result should always be zero.
11662 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11664 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11666 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11668 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11669 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11670 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11671 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11672 ia64_sched_finish_global): New static functions to implement
11673 hooks from gcc_target.sched.
11674 (spec_check_no, max_uid, pending_data_specs): New static variables.
11675 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11676 ia64_spec_check_src_p): New static functions.
11677 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11678 (TARGET_SCHED_ADJUST_COST): Removed.
11679 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11680 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11681 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11682 TARGET_SCHED_GEN_CHECK,
11683 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11684 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11685 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11686 Fixed to handle speculation checks.
11687 (rtx_needs_barrier): Fixed to handle speculative loads and
11689 (ia64_variable_issue): Added code to count speculative loads and their
11691 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11693 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11695 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11697 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11698 (ia64_reorg): Reset stops_p to NULL after it is freed.
11699 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11700 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11701 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11703 (data_speculative, control_speculative, check_load): New attributes.
11704 (mov<mode>_advanced, mov<mode>_speculative,
11705 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11706 zero_extend<mode>di2_speculative,
11707 zero_extend<mode>di2_speculative_advanced): New patterns for
11708 data and control speculative loads.
11709 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11711 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11712 New pattern for data and control speculation checks.
11713 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11714 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11715 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11716 Auxiliary definitions for the patterns.
11717 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11718 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11720 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11722 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11723 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11724 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11725 New resource constraints.
11726 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11728 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11729 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11730 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11731 msched-in-control-spec, msched-ldc, msched-control-ldc,
11732 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11733 msched-prefer-non-control-spec-insns,
11734 msched-count-spec-in-critical-path): New flags to tune speculative
11736 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11737 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11738 msched-in-control-spec, msched-ldc, msched-control-ldc,
11739 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11740 msched-prefer-non-control-spec-insns,
11741 msched-count-spec-in-critical-path): Document new flags.
11743 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11745 * target.h (struct spec_info_def): New opaque declaration.
11746 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11747 speculate_insn, needs_block_p, gen_check,
11748 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11749 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11750 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11751 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11752 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11753 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11755 (TARGET_SCHED): Use new macros.
11756 * rtl.h (copy_DEPS_LIST_list): New prototype.
11757 * sched-int.h (struct sched_info): Change signature of new_ready field,
11758 adjust all initializations. New fields: add_remove_insn,
11759 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11760 region_head_or_leaf_p.
11761 (struct spec_info_def): New structure declaration.
11762 (spec_info_t): New typedef.
11763 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11764 recovery_block, orig_pat.
11765 (glat_start, glat_end): New variables declaraions.
11766 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11768 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11769 DETACH_LIFE_INFO, USE_GLAT.
11770 (enum SPEC_SCHED_FLAGS): New enumeration.
11771 (NOTE_NOTE_BB_P): New macro.
11772 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11773 attach_life_info, debug_spec_status, check_reg_live): New functions.
11774 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11775 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11777 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11778 * ddg.c (get_block_head_tail): Adjust all uses.
11779 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11780 (sms_sched_info): Initialize new fields.
11781 (contributes_to_priority): Removed.
11782 * haifa-sched.c (params.h): New include.
11783 (get_block_head_tail): Adjust all uses.
11784 (ISSUE_POINTS): New macro.
11785 (glat_start, glat_end): New global variables.
11786 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11787 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11788 old_last_basic_block, before_recovery, current_sched_info_var,
11789 rgn_n_insns, luid): New static variables.
11790 (insn_cost1): New function. Move logic from insn_cost to here.
11791 (find_insn_reg_weight1): New function. Move logic from
11792 find_insn_reg_weight to here.
11793 (reemit_notes, move_insn, max_issue): Change signature.
11794 (move_insn1): Removed.
11795 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11796 extend_bb): New static functions to support extension of scheduler's
11798 (generate_recovery_code, process_insn_depend_be_in_spec,
11799 begin_speculative_block, add_to_speculative_block,
11800 init_before_recovery, create_recovery_block, create_check_block_twin,
11801 fix_recovery_deps): New static functions to support
11802 generation of recovery code.
11803 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11804 restore_bb_notes, move_block_after_check, move_succs): New static
11805 functions to support ebb scheduling.
11806 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11807 functions to support handling of register live information.
11808 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11809 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11810 add_jump_dependencies): New static functions.
11811 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11812 consistancy checking.
11813 (debug_spec_status): New function to call from debugger.
11814 (priority): Added code to handle speculation checks.
11815 (rank_for_schedule): Added code to distinguish speculative instructions.
11816 (schedule_insn): Added code to handle speculation checks.
11817 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11818 Fixed to handle ebbs.
11819 (move_insn): Added code to handle ebb scheduling.
11820 (max_issue): Added code to use ISSUE_POINTS of instructions.
11821 (choose_ready): Added code to choose between speculative and
11822 non-speculative instructions.
11823 (schedule_block): Added code to handle ebb scheduling and scheduling of
11824 speculative instructions.
11825 (sched_init): Initialize new variables.
11826 (sched_finish): Free new variables. Print statistics.
11827 (try_ready): Added code to handle speculative instructions.
11828 * lists.c (copy_DEPS_LIST_list): New function.
11829 * sched-deps.c (extend_dependency_caches): New function. Move logic
11830 from create_dependency_caches to here.
11831 (get_dep_weak, ds_merge): Make global.
11832 * genattr.c (main): Code to output prototype for
11833 dfa_clear_single_insn_cache.
11834 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11835 (output_dfa_clean_insn_cache_func): Code to output
11836 dfa_clear_single_insn_cache function.
11837 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11839 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11841 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11842 New static variables.
11843 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11844 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11846 (ebb_sched_info): Initialize new fields.
11847 (get_block_head_tail): Adjust all uses.
11848 (compute_jump_reg_dependencies): Fixed to use glat_start.
11849 (schedule_ebb): Code to remove unreachable last block.
11850 (schedule_ebbs): Added code to update register live information.
11851 * sched-rgn.c (region_sched_info): Initialize new fields.
11852 (get_block_head_tail): Adjust all uses.
11853 (last_was_jump): Removed. Adjust users.
11854 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11855 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11856 Implement new hooks.
11857 (check_dead_notes1): New static function.
11858 (struct region): New fields: dont_calc_deps, has_real_ebb.
11859 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11860 (BB_TO_BLOCK): Fixed to handle EBBs.
11861 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11862 (ebb_head): New static variable.
11863 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11864 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11866 (compute_dom_prob_ps): New assertion.
11867 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11868 global_live_at_start.
11869 (init_ready_list): New assertions.
11870 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11871 (new_ready): Add support for BEGIN_CONTROL speculation.
11872 (schedule_insns): Fixed code that updates register live information
11874 (schedule_region): Fixed to handle EBBs.
11875 (init_regions): Use extend_regions and check_dead_notes1.
11876 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11877 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11878 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11879 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11880 TARGET_SCHED_GEN_CHECK,
11881 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11882 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11883 * doc/invoke.texi (max-sched-insn-conflict-delay,
11884 sched-spec-prob-cutoff): Document.
11886 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11888 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11889 inter_tick, queue_index.
11890 (struct sched_info): Change signature of init_ready_list field.
11891 Adjust all initializations.
11892 (RESOLVED_DEPS): New access macro.
11893 (ready_add): Remove prototype.
11894 (try_ready): Add prototype.
11895 * sched-rgn.c (init_ready_list): Use try_ready.
11896 (schedule_region): Initialize
11897 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11898 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11899 (init_ready_list): Use try_ready.
11900 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11901 * lists.c (remove_list_elem): Remove `static'.
11902 (remove_free_INSN_LIST_elem): New function.
11903 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11904 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11905 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11907 (readyp): New variable.
11908 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11909 change_queue_index, resolve_dep): New static functions.
11910 (try_ready): New function. Adjust callers in sched-rgn.c and
11911 sched-ebb.c to use it instead of ready_add.
11912 (clock_var): Move at the begining of file.
11913 (rank_for_schedule): Fix typo.
11914 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11915 (ready_lastpos): Enforce assertion.
11916 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11917 update all callers.
11918 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11919 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11920 (queue_to_ready): Use free_INSN_LIST_list.
11921 (early_queue_to_ready): Fix typo.
11922 (schedule_block): Init readyp. Move init_ready_list call after the
11923 initialization of clock_var. Fix error in rejecting insn by
11924 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11925 that previously corrected INSN_TICKs. Add code for handling
11927 (set_priorities): Fix typo.
11928 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11929 Clarify comment and code that keeps current_sched_info->next_tail
11932 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11934 * sched-rgn.c (extend_rgns): New static function.
11935 (find_rgns): Use it.
11936 (gather_region_statistics, print_region_statistics): New static
11938 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11939 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11941 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11942 Andrey Belevantsev <abel@ispras.ru>
11944 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11945 * lists.c (unused_deps_list): New variable.
11946 (free_list): Add assertions to verify the proper distinguishing
11947 between INSN_LISTs and DEPS_LISTs.
11948 (find_list_elem, remove_list_elem, remove_list_node): New static
11950 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11951 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11952 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11953 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11955 (free_INSN_LIST_node): Likewise.
11956 * modulo-sched.c (current_sched_info): Initialize flags field.
11957 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11958 * rtl.def (DEPS_LIST): Define.
11959 * rtl.h: Declare new functions from lists.c.
11960 * sched-deps.c (spec_dependency_cache): New static variable.
11961 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11962 (add_dependence): Change return type to void. Move the logic to ...
11963 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11964 (delete_all_dependences): Add comment about forward_dependency_cache.
11965 Handle spec_dependency_cache. Handle DEPS_LISTs.
11966 (fixup_sched_groups): Clarify the change of priority of output
11967 and anti dependencies.
11968 (sched_analyze_2): Adjust add_dependence calls to create data
11969 speculative dependence.
11970 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11971 Adjust all callers. Handle DEPS_LISTS.
11972 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11973 presence of speculation.
11974 (init_dependency_caches, free_dependency_caches):
11975 Handle spec_dependency_cache.
11976 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11977 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11978 New static functions.
11979 (add_or_update_back_dep, add_or_update_back_forw_dep,
11980 add_back_forw_dep, delete_back_forw_dep): New functions.
11981 * sched-int.h (ds_t, dw_t): New typedefs.
11982 (struct sched_info): Add new field flags.
11983 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11984 Prototype new sched-deps.c functions.
11985 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11986 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11987 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11988 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11989 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11990 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11992 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11994 * sched-rgn.c (current_sched_info): Initialize flags field.
11995 (schedule_insns): Initialize current_sched_info before the sched_init
11997 * sched-ebb.c (current_sched_info): Initialize flags field.
11998 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11999 Call add_or_update_back_dep instead of add_dependence.
12000 Create control speculative dependencies.
12001 (schedule_insns): Initialize current_sched_info before the sched_init
12004 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12006 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12008 (sh_fallback_frame_state): Likewise.
12010 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12012 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12013 Do switch on default_use_cxa_atexit.
12014 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12015 * config/darwin-crt3.o: New.
12016 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12017 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12018 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12020 * config/rs6000/t-darwin: Move crt2.o building to here.
12021 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12022 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12025 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12027 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12028 from '! xxx' to '!xxx' for coding-style conformance.
12029 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12030 (EXTRA_CONSTRAINT): Likewise.
12031 * config/vax/vax.md (four unnamed insns): Likewise.
12033 2006-03-15 Paul Brook <paul@codesourcery.com>
12035 * config/arm/arm.c (minipool_pad): New.
12036 (add_minipool_forward_ref): Include pool alignment padding in address
12038 (push_minipool_fix): Set minipool_pad.
12039 (minipool_pad): Ditto.
12041 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12043 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12044 instead of GET_CODE() == MEM and REG_P() instead of
12046 (print_operand_address): Likewise.
12047 (vax_address_cost): Likewise.
12048 (vax_rtx_costs): Likewise.
12049 (vax_notice_update_cc): Likewise.
12050 (vax_output_int_add): Likewise.
12051 (INDEX_REGISTER_P): Likewise.
12052 (BASE_REGISTER_P): Likewise.
12053 (nonindexed_address_p): Likewise.
12054 (vax_mode_dependent_address_p): Likewise.
12055 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12056 (PRINT_OPERAND): Likewise.
12057 * config/vax/vax.md (ashlsi3): Likewise.
12058 (ashlsi3): Likewise.
12059 (some more unnamed insns): Likewise.
12061 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12063 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12064 iterator-style macro.
12065 (mark_control_dependent_edges_necessary): Update the use of
12066 EXECUTE_IF_CONTROL_DEPENDENT.
12068 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12070 * config/sh/predicates.md (cache_address_operand): Special.
12071 (ua_address_operand): Likewise.
12073 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12075 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12077 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12079 2006-03-15 Andreas Schwab <schwab@suse.de>
12081 * gensupport.c (identify_predicable_attribute): Don't free p_false
12082 when it is still in use.
12084 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12086 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12087 the default setting here.
12089 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12091 * tree-pass.h (pass_cfg): Remove.
12092 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12093 * passes.c (pass_cfg): Don't run it.
12095 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12097 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12098 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12100 (stack_regs_mentioned): Update the uses of
12101 stack_regs_mentioned_data. Don't access the array beyond its
12103 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12104 Don't include gt-reg-stack.h.
12106 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12107 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12109 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12111 PR middle-end/26684
12112 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12115 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12117 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12119 2006-03-14 Richard Guenther <rguenther@suse.de>
12121 PR tree-optimization/26672
12122 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12125 2006-03-14 Richard Guenther <rguenther@suse.de>
12127 PR tree-optimization/26667
12128 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12129 node for the callees. Always allow inlining if it will shrink
12132 2006-03-14 Richard Guenther <rguenther@suse.de>
12134 PR middle-end/26659
12135 * builtins.c (get_pointer_alignment): Prefer alignment
12136 information from decls over that from types.
12138 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12141 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12143 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12145 * config/rs6000/rs6000.opt (mdlmzb): New option.
12146 (msched-prolog, msched-epilog): Use Var not Mask.
12147 * doc/invoke.texi (-mdlmzb): Document.
12148 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12150 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12151 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12153 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12155 PR rtl-optimization/25739
12156 * bt-load.c (augment_live_range): Free tos pointer.
12158 * gensupport.c (identify_predicable_attribute): Free
12160 * gcov.c (create_file_names): Free name pointer.
12162 2006-03-13 Roger Sayle <roger@eyesopen.com>
12164 PR middle-end/26557
12165 * stmt.c (emit_case_nodes): Handle the case where the index is a
12166 CONST_INT, where the comparison mode is specified by the index type.
12168 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12170 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12173 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12175 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12176 (*branch_fp_inverted): Likewise.
12178 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12180 PR middle-end/25989
12181 * omp-low.c (expand_omp_for_generic): Mark istart0
12182 and iend0 as addressable.
12184 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12186 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12188 2006-03-13 Jeff Law <law@redhat.com>
12190 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12191 virtual operands are interesting.
12192 (vrp_visit_stmt): Corresponding changes.
12194 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12196 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12198 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12199 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12200 * config/bfin/crti.S: Use it instead of __PIC__.
12201 * config/bfin/crtn.S: Likewise.
12203 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12204 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12206 Lose 'G' modifier for call operand.
12207 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12208 recognize 'G' modifier.
12210 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12212 PR middle-end/18859
12213 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12214 * stmt.c (expand_case): Likewise.
12216 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12218 PR rtl-optimization/26254
12219 * loop-invariant.c (seq_insns_valid_p): New function.
12220 (move_invariant_reg): Only emit new code if it is valid.
12222 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12224 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12226 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12227 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12228 (commit_one_edge_insertion): Do not look for loop notes.
12230 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12232 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12233 flag_test_coverage out of loop.
12235 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12237 * final.c (shorten_branches): Remove outdated comment, and turn
12238 the if branch that guards it to continue.
12240 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12242 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12243 * cfgloop.h (struct loop): Remove unused fields.
12245 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12247 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12248 (-dL, -fdump-rtl-loop2): Update the dump file names
12250 * doc/invoke.texi: Update dump file names.
12252 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12254 * predict.c (estimate_probability): Remove.
12255 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12256 * basic-block.h (estimate_probability): Remove prototype.
12257 * passes.c (finish_optimization_passes): Dump branch prediction or
12258 profiling heuristics to the .profile tree dump.
12259 (init_optimization_passes): Unqueue pass_branch_prob.
12261 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12263 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12265 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12266 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12268 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12270 * function.h (frame_offset_overflow): Declare.
12271 * function.c (frame_offset_overflow): New function.
12272 (assign_stack_local_1): Call it to detect that the offset overflows.
12273 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12275 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12277 * config/sh/sh.c: Include alloc-pool.h.
12278 (label_ref_list_pool): New alloc pool.
12279 (label_ref_list_t): New type for lists of labels.
12280 (struct pool_node): Make wend a label_ref_list_t.
12281 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12283 (dump_table): Likewise.
12284 (sh_reorg): Set up the alloc pool before using add_constant and
12285 dump_table, and destroy it when finishing.
12287 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12289 * config/mips/mips.c: Remove redundant comment.
12291 2006-03-10 Jason Merrill <jason@redhat.com>
12294 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12295 the target was declared 'register'.
12297 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12299 * genpreds.c (write_insn_constraint_len): Change definition of
12300 insn_constraint_len to return size_t to match the declaration.
12302 2006-03-10 DJ Delorie <dj@redhat.com>
12304 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12306 (m32c_expand_insv): Fix test for an AND mask.
12308 2006-03-10 Richard Guenther <rguenther@suse.de>
12310 PR middle-end/26565
12311 * builtins.c (get_pointer_alignment): Handle component
12312 references for field alignment.
12314 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12316 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12317 when building with libgloss.
12318 (sh*elf): Implement --without-fp option.
12319 (sh64-superh-linux*): Don't multilib.
12321 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12323 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12325 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12327 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12328 Set it when one of the replacement functions returned true.
12329 Return TODO_cleanup_cfg if cfgchanged is true.
12330 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12332 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12334 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12335 instead of gen_lowpart.
12337 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12339 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12341 (mips_output_order_conditional_branch): Declare.
12342 * config/mips/mips.h (MIPS_BRANCH): New macro.
12343 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12344 for the comparison. Use gen_condjump.
12345 (mips_output_conditional_branch): Rework interface to take the
12346 asm templates for a direct branch and the inverse of a direct branch.
12347 (mips_output_order_conditional_branch): New function.
12348 (mips_builtin_branch_and_move): New function.
12349 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12350 branch condition. Use gen_single_cc as the condition for
12351 __builtin_mips_upper_* or __builtin_mips_lower_*.
12352 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12353 Use VOIDmode for the branch condition.
12354 * config/mips/predicates.md (order_operator): New predicate.
12355 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12356 (branch_fp): Rename to...
12357 (*branch_fp): ...this. Remove mode from comparison operator.
12358 Use new mips_output_conditional_branch interface.
12359 (branch_fp_inverted): Rename to...
12360 (*branch_fp_inverted): ...this and update as for *branch_fp.
12361 (*branch_zero<mode>): Rename to...
12362 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12363 Use mips_output_order_conditional_branch. Only accept ordered
12365 (*branch_zero<mode>_inverted): Rename to...
12366 (*branch_order<mode>_inverted): ...this and update as for
12367 *branch_order<mode>.
12368 (*branch_equality<mode>): Accept zero as the second operand to
12369 the equality operator. Use the new mips_output_conditional_branch
12371 (*branch_equality<mode>_inverted): Likewise.
12372 (condjump): New expander.
12373 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12375 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12376 (bc1any2t, bc1any2f): Likewise.
12377 (single_cc): New expander.
12378 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12380 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12382 * doc/md.texi: Update documentation of MIPS constraints.
12383 * config/mips/constraints.md: New file.
12384 * config/mips/mips.md: Include it.
12385 * config/mips/mips.c (mips_char_to_class): Delete.
12386 (override_options): Don't initialize mips_char_to_class.
12387 * config/mips/mips.h (mips_char_to_class): Delete.
12388 (REG_CLASS_FROM_LETTER): Delete.
12389 (CONST_OK_FOR_LETTER_P): Delete.
12390 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12391 (EXTRA_CONSTRAINT_Y): Delete.
12392 (EXTRA_CONSTRAINT_STR): Delete.
12393 (CONSTRAINT_LEN): Delete.
12394 (EXTRA_MEMORY_CONSTRAINT): Delete.
12396 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12398 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12399 original fn's eh regions.
12401 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12403 * fold-const.c (build_range_check): Make sure to use a valid type to
12404 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12407 (range_predecessor): New static function.
12408 (range_successor): Likewise.
12409 (merge_ranges): Use them to compute predecessors and successors of
12412 2006-03-09 Roger Sayle <roger@eyesopen.com>
12414 PR middle-end/26561
12415 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12416 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12418 2006-03-08 DJ Delorie <dj@redhat.com>
12420 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12421 (addpsi3): Expand to include memory operands. Remove
12422 reload-specific splits.
12423 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12424 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12425 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12426 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12427 (shift1_qi, shift1_hi, insv): New.
12428 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12429 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12430 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12432 * config/m32c/m32c-protos.h: Update as needed.
12433 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12434 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12435 Fail for unrecognized R* constraints.
12436 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12437 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12438 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12440 (m32c_init_libfuncs): New.
12441 (m32c_legitimate_address_p): Add debug wrapper.
12442 (m32c_rtx_costs): New.
12443 (m32c_address_cost): New.
12444 (conversions): Add 'B' prefix.
12445 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12446 operands, or word regnames for QI operands. 'B' prints bit
12448 (m32c_expand_setmemhi): New.
12449 (m32c_expand_movmemhi): New.
12450 (m32c_expand_movstr): New.
12451 (m32c_expand_cmpstr): New.
12452 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12453 (m32c_expand_neg_mulpsi3): Handle non-ints.
12454 (m32c_cmp_flg_0): New.
12455 (m32c_expand_movcc): New.
12456 (m32c_expand_insv): New.
12457 (m32c_scc_pattern): New.
12458 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12459 a0/a1 out of SIregs.
12460 (STORE_FLAG_VALUE): New.
12461 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12464 * config/m32c/mov.md: Make constraints more liberal.
12465 (zero_extendqihi2): Optimize r0/r1 case.
12466 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12467 * config/m32c/predicates.md (m32c_any_operand): New.
12468 (m32c_nonimmediate_operand): New.
12469 (m32c_hl_operand): New.
12470 (m32c_r3_operand): New.
12473 (memsym_operand): New.
12474 (memimmed_operand): New.
12475 (a_qi_operand): New.
12476 (m32c_eqne_operator): New.
12477 (m32c_1bit8_operand): New.
12478 (m32c_1bit16_operand): New.
12479 (m32c_1mask8_operand): New.
12480 (m32c_1mask16_operand): New.
12481 * config/m32c/blkmov.md: New file.
12482 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12484 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12486 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12487 unsigned to fix signed/unsigned comparison issue in
12488 DWARF2_FRAME_REG_OUT.
12489 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12490 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12492 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12493 of ptr into the ENABLE_CHECKING section.
12495 2006-03-08 Jeff Law <law@redhat.com>
12497 * tree-vrp.c (infer_value_range): Only count pointer uses
12498 and dereferences if -fdelete-null-pointer-checks is enabled.
12500 * tree-vrp.c (find_assert_locations): Infer value ranges for
12501 single use pointers, but do not create ASSERT_EXPRs for them.
12502 When a non-null range is inferred for a pointer, backwards
12503 propagate that range to other equivalent pointers through the
12506 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12509 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12510 language hook targets.
12511 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12512 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12513 if language hook targets were missing.
12515 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12517 * tree-ssa-opfinalize.h: Removed.
12518 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12520 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12521 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12522 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12523 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12524 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12525 finalize_ssa_v_must_def_ops): New.
12527 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12529 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12530 block as parameter.
12532 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12534 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12536 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12537 addresses with offsets; reorganize.
12539 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12540 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12541 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12543 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12546 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12548 2006-03-08 Ben Elliston <bje@au.ibm.com>
12550 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12552 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12555 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12558 2006-03-07 Richard Guenther <rguenther@suse.de>
12560 PR tree-optimization/26587
12561 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12563 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12565 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12567 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12569 * hooks.c (hook_bool_mode_rtx_true): New function.
12570 * hooks.h (hook_bool_mode_rtx_true): Declare.
12571 * toplev.c (compile_file): Call output_shared_constant_pool.
12572 * varasm.c (shared_constant_pool): New variable.
12573 (assemble_start_function, assemble_end_function): Remove arguments
12574 from call to output_constant_pool.
12575 (create_constant_pool): New function, split out from...
12576 (init_varasm_status): ...here.
12577 (force_const_mem): Choose between the shared and per-function constant
12578 pools. Set current_function_uses_const_pool when reusing old entries
12579 as well as when creating new ones.
12580 (mark_constant): Ignore data argument.
12581 (mark_constants): Remove pool argument.
12582 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12583 to decide whether the function uses a constant pool.
12584 (output_constant_pool_contents): New function, split out from...
12585 (output_constant_pool): ...here.
12586 (output_shared_constant_pool): New function.
12587 (init_varasm_once): Initialize shared_constant_pool.
12588 * output.h (output_constant_pool): Delete.
12589 (output_shared_constant_pool): Declare.
12590 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12591 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12593 2006-03-06 Nick Clifton <nickc@redhat.com>
12595 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12596 flag_strength_reduce.
12598 2006-03-06 Ben Elliston <bje@au.ibm.com>
12600 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12601 x86_64-*-linux* configurations.
12603 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12604 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12606 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12608 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12610 * basic-block.h: Remove the extern for
12611 rediscover_loops_after_threading.
12613 * cfgloop.c (cancel_loop): Make it static.
12614 * cfgloop.h: Remove the prototype for cancel_loop.
12616 * flow.c (recompute_reg_usage): Make it static.
12617 * rtl.h: Remove the prototype for recompute_reg_usage.
12619 * function.c (use_return_register): Make it static.
12620 * function.h: Remove the prototype.
12622 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12624 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12626 * recog.h: Remove the prototype for
12627 validate_change_maybe_volatile.
12629 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12631 * rtlanal.c (replace_reg): Remove.
12632 * rtl.h: Remove the prototype for replace_reg.
12634 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12636 * regclass.c (reg_scan_update): Remove.
12637 (reg_scan_mark_refs): Remove the last argument.
12638 * rtl.h: Remove the prototype for reg_scan_update.
12640 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12642 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12643 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12644 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12645 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12646 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12647 loop-invariant.c, omp-low.c, opts.c, passes.c,
12648 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12649 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12650 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12651 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12652 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12653 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12655 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12657 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12658 * dwarf2out.h: Remove the prototype for
12659 dwarf2out_add_library_unit_info.
12661 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12663 * tree.c (add_var_to_bind_expr): Remove.
12664 * tree.h: Remove the prototype for add_var_to_bind_expr.
12666 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12668 * regclass.c (n_non_fixed_regs): Remove.
12669 (init_reg_sets_1, globalize_reg): Remove all uses of
12671 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12673 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12675 * rtlanal.c (insns_safe_to_move_p): Remove.
12676 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12678 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12680 * expmed.c (expand_mult_add): Remove.
12681 * expr.h: Remove the prototype for expand_mult_add.
12683 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12685 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12686 and REG_SAVED_VAL_EXP constants.
12687 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12688 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12689 Handle regs stored by value.
12690 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12691 (execute_cfa_program): Handle DW_CFA_val_offset,
12692 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12693 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12694 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12695 (uw_install_context_1): Handle target regs stored by value.
12697 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12699 * tree-sra.c (tree_sra): Return todoflags;
12700 (generate_one_element): Set TODO_update_smt_usage if needed.
12701 (pass_sra): Remove TODO_update_smt_usage.
12702 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12704 (tree_ssa_forward_propagate_single_use_vars): Return
12705 TODO_update_smt_usage if we need to update SMT usage.
12706 (pass_forwprop): Remove TODO_update_smt_usage.
12708 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12710 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12711 (correct_use_link): Remove reference to get_stmt_operands.
12712 (update_stmt_operands): Likewise.
12713 (get_modify_expr_operands): New function factored out of
12714 parse_ssa_operands and get_expr_operands.
12715 Try to create V_MUST_DEFs for LHS by default.
12716 (get_expr_operands) <case MODIFY_EXPR>: Call
12717 get_modify_expr_operands.
12718 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12719 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12720 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12721 get_modify_expr_operands.
12723 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12725 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12726 * tree-flow.h: Remove the prototype for
12727 referenced_var_lookup_if_exists.
12729 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12731 PR rtl-optimization/26345
12733 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12735 2006-03-03 Roger Sayle <roger@eyesopen.com>
12737 PR tree-optimization/26524
12738 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12739 fold_convert to create a constant of the appropriate type.
12741 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12743 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12744 SYMBOL_REF_IN_BLOCK_P.
12745 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12746 of SYMBOL_FLAG_IN_BLOCK.
12747 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12748 instead of SYMBOL_REF_IN_BLOCK_P.
12749 * explow.c (use_anchored_address): Likewise.
12750 * rtl.c (rtx_size): Likewise.
12751 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12752 instead of SYMBOL_FLAG_IN_BLOCK.
12753 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12754 SYMBOL_REF_IN_BLOCK_P.
12755 (assemble_variable): Likewise.
12756 (output_constant_def_contents): Likewise.
12757 (output_constant_pool): Likewise.
12758 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12759 instead of SYMBOL_FLAG_IN_BLOCK.
12760 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12761 SYMBOL_REF_IN_BLOCK_P.
12762 (SYMBOL_REF_BLOCK): Likewise.
12763 (SYMBOL_REF_OFFSET): Likewise.
12764 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12765 SYMBOL_REF_IN_BLOCK_P.
12766 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12767 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12768 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12769 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12771 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12773 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12775 2006-03-02 Roger Sayle <roger@eyesopen.com>
12777 * simplify-rtx.c (simplify_unary_operation): When simplifying
12778 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12779 that we perform the right shift in the appropriate mode, and
12780 then extend or truncate the result to requested mode.
12782 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12784 * gengtype.c (main): Handle double_int type.
12785 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12786 * double-int.c: New file.
12787 * double-int.h: New file.
12788 * system.h: Include doubleint.h.
12789 * Makefile.in (SYSTEM_H): Include double-int.h.
12790 (double-int.o): Add.
12792 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12795 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12798 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12800 * tree-vrp.c (remove_range_assertions): Do not update statements
12803 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12805 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12807 * gcse.c (rest_of_handle_gcse): Ditto.
12808 * except.c (gate_handle_eh): Ditto.
12809 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12810 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12812 2006-03-02 Eric Christopher <echristo@apple.com>
12814 * config/i386/i386.c (machopic_output_stub): Add indirection to
12817 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12821 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12823 Sun Niagara specific optimizations.
12824 * config.gcc: Recognize niagara as target.
12825 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12826 (TARGET_CPU_niagara): Define.
12827 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12828 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12829 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12830 (ASM_CPU_SPEC): Likewise.
12831 (PROCESSOR_NIAGARA): New enum entry.
12832 (REGISTER_MOVE_COST): Handle Niagara.
12833 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12834 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12835 (sparc_override_options): Recognize "niagara", set appropriate
12836 default MASK_* values for it, and align functions to 32-bytes
12837 by default just like ULTRASPARC/ULTRASPARC3.
12838 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12839 (sparc64_initialize_trampoline): Likewise.
12840 (sparc_use_sched_lookahead): Use zero for niagara.
12841 (sparc_issue_rate): Use one for niagara.
12842 * config/sparc/niagara.md: New file.
12843 * config/sparc/sparc.md: Include it.
12844 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12845 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12846 when default cpu is niagara.
12847 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12848 (ASM_CPU_SPEC): Likewise.
12849 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12850 when default cpu is niagara.
12851 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12852 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12853 just like v9/ultrasparc/ultrasparc3.
12854 * doc/invoke.texi: Add documentation for "niagara" and improve
12855 existing documentation for ultrasparc variants.
12857 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12859 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12861 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12863 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12864 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12865 and say that only one is needed.
12866 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12867 * target.h (have_switchable_bss_sections): New hook.
12868 * explow.c (use_anchored_address): Check that the symbol is in a block.
12869 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12870 (bss_noswitch_section): New variables.
12871 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12872 (get_noswitch_section): New function.
12873 (get_block_for_section): Allow SECT to be null.
12874 (unlikely_text_section_p): Use SECTION_STYLE.
12875 (bss_initializer_p): New function.
12876 (get_variable_section): Move earlier in file. Take a new argument,
12877 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12878 Return one of the new *_sections in such cases.
12879 (get_block_for_decl): New function, extracting some logic from
12880 use_blocks_for_decl_p.
12881 (change_symbol_section): Remove in favor of...
12882 (change_symbol_block): ...this new function.
12883 (use_blocks_for_decl_p): Remove checks now performed by
12884 get_block_for_decl.
12885 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12886 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12887 (emit_local, emit_bss, emit_common): ...these new functions.
12888 Return true if the alignment was honored.
12889 (emit_tls_common): New function.
12890 (asm_emit_uninitialised): Delete.
12891 (assemble_variable_noswitch): New function, split out from...
12892 (assemble_variable): ...here. Don't make decisions about common
12893 variables here. Globalize all public decls that go into non-common
12894 sections. Check whether SYMBOL_REF_BLOCK is null.
12895 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12896 (output_constant_pool): Likewise.
12897 (init_varasm_once): Initialize the new section variables.
12898 (have_global_bss_p): New function.
12899 (categorize_decl_for_section): Use bss_initializer_p.
12900 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12901 (place_block_symbol): Assert that the symbol must be in a block.
12902 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12903 (TARGET_INITIALIZER): Include it.
12904 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12905 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12906 (SECTION_MACH_DEP): Bump by two.
12907 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12908 (unnamed_section): Mention SECTION_UNNAMED in comment.
12909 (named_section): Likewise SECTION_NAMED.
12910 (noswitch_section_callback): New type.
12911 (noswitch_section): New structure.
12912 (section): Add a noswitch_section alternative.
12913 (SECTION_STYLE): New macro.
12914 (tls_comm_section, comm_section, lcomm_section): Declare.
12915 (bss_noswitch_section, have_global_bss_p): Declare.
12916 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12917 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12919 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12920 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12923 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12925 * tree-vrp.c (execute_vrp): Return value.
12926 * regrename.c (rest_of_handle_regrename): Ditto.
12927 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12928 * tree-complex.c (tree_lower_complex): Ditto.
12929 (tree_lower_complex_O0): Ditto.
12930 * tracer.c (rest_of_handle_tracer): Ditto.
12931 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12932 * postreload.c (rest_of_handle_postreload): Ditto.
12933 * tree-tailcall.c (execute_tail_recursion): Ditto.
12934 (execute_tail_calls): Ditto.
12935 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12936 * tree.h (init_function_for_compilation): Ditto.
12937 * ipa-cp.c (ipcp_driver): Ditto.
12938 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12939 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12940 * final.c (compute_alignments): Ditto.
12941 (rest_of_handle_final): Ditto.
12942 (rest_of_handle_shorten_branches): Ditto.
12943 (rest_of_clean_state): Ditto.
12944 * omp-low.c (execute_expand_omp): Ditto.
12945 (execute_lower_omp): Ditto.
12946 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12947 * ipa-reference.c (static_execute): Ditto.
12948 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12949 * reorg.c (rest_of_handle_delay_slots): Ditto.
12950 (rest_of_handle_machine_reorg): Ditto.
12951 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12952 * flow.c (recompute_reg_usage): Ditto.
12953 (rest_of_handle_remove_death_notes): Ditto.
12954 (rest_of_handle_life): Ditto.
12955 (rest_of_handle_flow2): Ditto.
12956 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12957 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12958 (do_ssa_store_ccp): Ditto.
12959 (execute_fold_all_builtins): Ditto.
12960 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12961 * modulo-sched.c (rest_of_handle_sms): Ditto.
12962 * ipa-pure-const.c (static_execute): Ditto.
12963 * cse.c (rest_of_handle_cse): Ditto.
12964 (rest_of_handle_cse2): Ditto.
12965 * web.c (rest_of_handle_web): Ditto.
12966 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12967 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12968 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12969 * tree-nrv.c (tree_nrv): Ditto.
12970 (execute_return_slot_opt): Ditto.
12971 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12972 (create_structure_vars): Ditto.
12973 * loop-init.c (rtl_loop_init): Ditto.
12974 (rtl_loop_done): Ditto.
12975 (rtl_move_loop_invariants): Ditto.
12976 (rtl_unswitch): Ditto.
12977 (rtl_unroll_and_peel_loops): Ditto.
12978 (rtl_doloop): Ditto.
12979 * gimple-low.c (lower_function_body): Ditto.
12980 (mark_used_blocks): Ditto.
12981 * tree-ssa-sink.c (execute_sink_code): Ditto.
12982 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12983 (cgraph_early_inlining): Ditto.
12984 * global.c (rest_of_handle_global_alloc): Ditto.
12985 * jump.c (cleanup_barriers): Ditto.
12986 (purge_line_number_notes): Ditto.
12987 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12988 (rest_of_handle_if_after_reload): Ditto.
12989 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12990 (tree_ssa_loop_im): Ditto.
12991 (tree_ssa_loop_unswitch): Ditto.
12992 (tree_vectorize): Ditto.
12993 (tree_linear_transform): Ditto.
12994 (tree_ssa_loop_ivcanon): Ditto.
12995 (tree_ssa_empty_loop): Ditto.
12996 (tree_ssa_loop_bounds): Ditto.
12997 (tree_complete_unroll): Ditto.
12998 (tree_ssa_loop_prefetch): Ditto.
12999 (tree_ssa_loop_ivopts): Ditto.
13000 (tree_ssa_loop_done): Ditto.
13001 * predict.c (tree_estimate_probability): Ditto.
13002 * recog.c (split_all_insns_noflow): Ditto.
13003 (rest_of_handle_peephole2): Ditto.
13004 (rest_of_handle_split_all_insns): Ditto.
13005 * tree-eh.c (lower_eh_constructs): Ditto.
13006 * regmove.c (rest_of_handle_regmove): Ditto.
13007 (rest_of_handle_stack_adjustments): Ditto.
13008 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13009 * function.c (instantiate_virtual_regs): Ditto.
13010 (init_function_for_compilation): Ditto.
13011 (rest_of_handle_check_leaf_regs): Ditto.
13012 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13013 (rest_of_handle_gcse): Ditto.
13014 * ipa-type-escape.c (type_escape_execute): Ditto.
13015 * alias.c (rest_of_handle_cfg): Ditto.
13016 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13017 * profile.c (rest_of_handle_branch_prob): Ditto.
13018 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13019 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13020 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13021 * tree-dfa.c (find_referenced_vars): Ditto.
13022 * except.c (set_nothrow_function_flags): Ditto.
13023 (convert_to_eh_region_ranges): Ditto.
13024 (rest_of_handle_eh): Ditto.
13025 * emit-rtl.c (unshare_all_rtl): Ditto.
13026 (remove_unnecessary_notes): Ditto.
13027 * except.h (set_nothrow_function_flags): Ditto.
13028 (convert_to_eh_region_ranges): Ditto.
13029 * cfgexpand.c (tree_expand_cfg): Ditto.
13030 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13031 * tree-ssa-pre.c (do_pre): Ditto.
13032 (execute_fre): Ditto.
13033 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13034 (rest_of_handle_jump2): Ditto.
13035 * tree-sra.c (tree_sra): Ditto.
13036 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13037 (execute_mudflap_function_decls): Ditto.
13038 * tree-ssa-copy.c (do_copy_prop): Ditto.
13039 (do_store_copy_prop): Ditto.
13040 * ipa-prop.h (ipcp_driver): Ditto.
13041 * cfglayout.c (insn_locators_initialize): Ditto.
13042 * tree-ssa-forwprop.c
13043 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13044 * cfglayout.h (insn_locators_initialize): Ditto.
13045 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13046 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13047 (execute_late_warn_uninitialized): Ditto.
13048 * rtl.h (cleanup_barriers): Ditto.
13049 (split_all_insns_noflow): Ditto.
13050 (purge_line_number_notes): Ditto.
13051 (unshare_all_rtl): Ditto.
13052 (remove_unnecessary_notes): Ditto.
13053 (recompute_reg_usage): Ditto.
13054 (variable_tracking_main): Ditto.
13055 * integrate.c (emit_initial_value_sets): Ditto.
13056 * integrate.h (emit_initial_value_sets): Ditto.
13057 * tree-optimize.c (execute_free_datastructures): Ditto
13058 (execute_free_cfg_annotations): Ditto.
13059 (execute_fixup_cfg): Ditto.
13060 (execute_cleanup_cfg_pre_ipa): Ditto.
13061 (execute_cleanup_cfg_post_optimizing): Ditto.
13062 (execute_init_datastructures): Ditto.
13063 * tree-object-size.c (compute_object_sizes): Ditto.
13064 * combine.c (rest_of_handle_combine): Ditto.
13065 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13066 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13067 (rest_of_handle_reorder_blocks): Ditto.
13068 (rest_of_handle_partition_blocks): Ditto.
13069 * var-tracking.c (variable_tracking_main): Ditto.
13070 * tree-profile.c (tree_profiling): Ditto.
13071 * tree-vect-generic.c (expand_vector_operations): Ditto.
13072 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13073 * sched-rgn.c (rest_of_handle_sched): Ditto.
13074 (rest_of_handle_sched2): Ditto.
13075 * basic-block.h (free_bb_insn): Ditto.
13076 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13077 * tree-cfg.c (execute_build_cfg): Ditto.
13078 (remove_useless_stmts): Ditto.
13079 (split_critical_edges): Ditto.
13080 (execute_warn_function_return): Ditto.
13081 (execute_warn_function_noreturn): Ditto.
13082 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13083 * cfgrtl.c (free_bb_for_insn): Ditto.
13084 * passes.c (execute_one_pass): Run additional
13085 todos returned by execute function.
13086 * tree-pass.h (struct tree_opt_pass): Make execute
13089 2006-03-02 Richard Guenther <rguenther@suse.de>
13091 * tree-ssa-alias.c (find_used_portions): Consider taking
13092 the address as making the variable not write-only.
13094 2006-03-02 Nick Clifton <nickc@redhat.com>
13096 * config.gcc (default_use_cxa_atexit): Extend the description of
13097 this configure variable. Set its default value to "yes" for
13098 Linux, NetBSD and ELF targets on the assumption that they will
13099 use C libraries with the __cxa_atexit function.
13101 2006-03-02 Ben Elliston <bje@au.ibm.com>
13103 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13104 parameter as unused to suppress a build warning.
13106 2006-03-02 Ben Elliston <bje@au.ibm.com>
13108 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13111 2006-03-01 Roger Sayle <roger@eyesopen.com>
13114 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13115 declared name, the weak reference name, and the typeof name.
13116 (__gthrw): Avoid expanding the declared name suffix.
13117 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13119 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13121 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13123 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13124 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13125 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13126 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13127 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13128 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13129 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13130 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13131 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13132 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13133 (DW_END_default, DW_END_big, DW_END_little): New.
13134 (DW_END_lo_user, DW_END_hi_user): Define.
13135 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13136 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13137 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13140 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13142 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13144 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13146 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13148 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13150 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13151 to 'symbol_mem_tag'.
13153 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13156 2006-03-01 Roger Sayle <roger@eyesopen.com>
13158 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13160 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13163 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13164 MACHO_DYNAMIC_NO_PIC_P.
13165 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13167 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13170 * config/darwin-protos.h (darwin_asm_output_anchor):
13172 * config/darwin-sections.def (cstring_section):
13173 Add SECTION_MERGE to the flags.
13174 (literal4_section): Likewise.
13175 (literal8_section): Likewise.
13176 (objc_selector_refs_section): Likewise.
13177 (objc_cls_refs_section): Likewise.
13178 * config/darwin.c (darwin_asm_output_anchor): New
13180 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13182 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13184 Fix PR tree-optimization/26443
13185 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13186 to todo and PROP_tmt_usage to properties_destroyed.
13187 * tree-ssa-ccp.c (pass_ccp): Ditto.
13188 (pass_store_ccp): Ditto.
13189 * tree-ssa-dom.c (pass_dominator): Ditto.
13191 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13193 * tree-ssa-operands.c: Cleanup whitespace.
13194 (get_asm_expr_operands): Move before first invocation.
13195 (get_indirect_ref_operands): Likewise.
13196 (get_tmr_operands): Likewise.
13197 (get_call_expr_operands): Likewise.
13198 (append_def): Likewise.
13199 (append_use): Likewise.
13200 (append_v_may_def): Likewise.
13201 (append_v_must_def): Likewise.
13202 (add_call_clobber_ops): Likewise.
13203 (add_call_read_ops): Likewise.
13204 (add_stmt_operand): Likewise.
13205 (add_virtual_operand): Likewise.
13206 (build_ssa_operands): Likewise.
13208 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13210 PR middle-end/26022
13212 PR middle-end/24437
13213 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13214 with a call expr to ...
13215 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13217 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13219 * tree-vrp.c (extract_range_from_assert): Remove special
13220 handling for types with super-types.
13222 2006-03-01 Ben Elliston <bje@au.ibm.com>
13224 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13225 and powerpc64-*-linux* configurations.
13226 * config/t-dfprules: New file.
13228 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13229 Compile dfp-bit.c from the source directory using -DWIDTH and
13230 $DFP_CFLAGS to control the compilation of that file, rather than
13231 generating width-specific versions in the build directory.
13232 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13233 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13235 2006-02-28 Zack Weinberg <zackw@panix.com>
13237 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13240 2006-02-28 Eric Christopher <echristo@apple.com>
13242 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13243 Set up IN_LIBGCC definition of TARGET_64BIT.
13244 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13246 2006-02-28 Roger Sayle <roger@eyesopen.com>
13248 PR middle-end/14752
13249 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13250 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13251 cases via the construction of "expr != 0".
13253 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13255 * alias.c (alias_invariant, alias_invariant_size): Remove.
13256 (record_base_value): Remove.
13257 (memrefs_conflict_p): Don't look at alias_invariant.
13258 (end_alias_analysis): Don't free it.
13259 * alias.h (record_base_value): Remove prototype.
13261 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13262 Adam Nemet <anemet@caviumnetworks.com>
13264 * rtl.h (truncated_to_mode): Declare it.
13265 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13266 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13267 (RTL_HOOKS_INITIALIZER): Include it.
13268 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13269 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13270 reg_truncated_to_mode.
13271 * rtlanal.c (truncated_to_mode): Define it.
13272 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13274 2006-02-28 Jeff Law <law@redhat.com>
13276 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13277 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13278 the range allowed by TYPE_PRECISION.
13280 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13282 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13284 PR tree-optimization/26419
13285 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13288 2006-02-27 Zack Weinberg <zackw@panix.com>
13290 * doc/md.texi: Fix typo in previous change.
13292 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13296 2006-02-27 Zack Weinberg <zackw@panix.com>
13298 * rtl.def (define_constraint, define_register_constraint)
13299 (define_memory_constraint, define_address_constraint): New MD forms.
13300 * gensupport.c (process_rtx): Put define_constraint etc on the
13302 * genpreds.c (process_define_predicate): Adjust comment. Validate
13303 the name, and call validate_exp to validate the expression.
13304 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13305 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13306 all callers changed.
13307 (validate_exp, needs_variable, struct constraint_data)
13308 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13309 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13310 (const_dbl_constraints, constraint_max_namelen)
13311 (have_register_constraints, have_memory_constraints)
13312 (have_address_constraints, have_address_constraints)
13313 (have_extra_constraints, have_const_int_constraints)
13314 (have_const_dbl_constraints, mangle, add_constraint)
13315 (process_define_constraint, process_define_register_constraint)
13316 (write_enum_constraint_num, write_lookup_constraint)
13317 (write_insn_constraint_len, write_regclass_for_constraint)
13318 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13319 (write_insn_extra_memory_constraint)
13320 (write_insn_extra_address_constraint)
13321 (write_satisfies_constraint_fns): New.
13322 (write_tm_preds_h): If we have new-style constraint definitions,
13323 prototype the functions generated from them, and define the
13324 old constraint interface (still used by generic code) in terms of
13326 (write_insn_preds_c): If we have new-style constraint definitions,
13327 generate all relevant functions from those definitions.
13328 (main): Handle define_constraint etc.
13329 * genoutput.c (struct constraint_data, indep_constraints)
13330 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13331 (mdep_constraint_len): New data structures and functions, defined
13332 #ifdef USE_MD_CONSTRAINTS.
13333 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13334 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13335 use new logic to validate operand constraints against constraint
13337 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13339 * defaults.h: If none of the old-style constraint macros are
13340 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13341 old-style macros; and poison REG_CLASS_FROM_LETTER,
13342 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13344 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13345 * doc/md.texi: Document new constraint-definition mechanism and the
13346 C interface it provides. Remove references to old mechanism
13347 elsewhere in the document.
13348 (Machine Constraints): Use pathnames relative to gcc directory,
13349 i.e. config/ARCH/FILE. Change i386 section to refer to
13350 config/i386/predicates.md; update that section to match docstrings.
13351 * doc/tm.texi: Move all documentation of the old constraint-
13352 definition macros to their own section, clearly mark as obsolete.
13354 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13355 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13357 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13358 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13359 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13360 constraint strings.
13361 (splits and peepholes): Use satisfies_constraint_*.
13362 * config/i386/i386.c (memory_address_length)
13363 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13365 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13367 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13368 scalar operation to be put back into the loop.
13370 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13373 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13374 (extract_cie_info): Handle S flag in augmentation string.
13375 (execute_cfa_program): If context->signal_frame, execute also
13376 fs->pc == context->ra instructions.
13377 (uw_frame_state_for): If context->signal_frame, don't subtract one
13378 from context->ra to find FDE.
13379 (uw_update_context_1): Set context->signal_frame to
13381 (_Unwind_GetIPInfo): New function.
13382 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13383 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13385 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13386 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13387 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13388 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13389 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13390 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13391 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13392 x86_64_fallback_frame_state): Set fs->signal_frame.
13393 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13394 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13395 (frob_update_context): Likewise. Workaround missing S flag in
13396 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13397 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13398 Remove the psw_addr + 1 hack.
13400 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13402 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13403 with aggregates here.
13404 (find_func_aliases): Remove code for &<aggregate> from here.
13406 2006-02-26 Roger Sayle <roger@eyesopen.com>
13408 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13409 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13410 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13411 as (X & C) ne/eq 0.
13413 2006-02-26 Roger Sayle <roger@eyesopen.com>
13415 PR middle-end/19983
13416 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13418 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13420 * opts.c (decode_options): Do not handle flag_strength_reduce.
13421 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13422 and OPT_fstrength_reduce.
13423 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13424 flag_prefetch_loop_arrays for being nonzero.
13425 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13427 (fprefetch-loop-arrays-rtl): Removed.
13428 (flag_prefetch_loop_arrays): Do not specify the value.
13430 * doc/passes.texi: Update documentation of loop optimizer
13432 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13433 -frerun-loop-opt): Remove.
13435 2006-02-26 Richard Guenther <rguenther@suse.de>
13437 PR tree-optimization/26421
13438 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13439 in function calls that are ADDR_EXPRs as using the whole structure.
13441 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13443 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13444 * tree-pass.h (pass_loop_optimize): Remove.
13445 * passes.c (pass_loop_optimize): Never run it.
13446 * toplev.c (backend_init): Don't call init_loop.
13447 * opts.c (flag_loop_optimize_set): Remove.
13448 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13449 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13450 the old RTL loop optimizer when profiling enabled.
13451 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13452 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13453 pre-headers for the sake of the old RTL loop optimizer.
13454 * Makefile.in: Remove all references to loop.o.
13456 * doc/invoke.texi: Remove all references to -floop-optimize
13457 and -frerun-loop-opt.
13459 2006-02-26 Zack Weinberg <zackw@panix.com>
13461 * doc/md.texi (Machine Constraints): Refer to all files with paths
13462 relative to gcc directory (i.e. config/CPU/file). Add missing
13463 @table @code ... @end table to M32C subsection.
13465 2006-02-26 Roger Sayle <roger@eyesopen.com>
13467 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13469 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13471 2006-02-26 Roger Sayle <roger@eyesopen.com>
13472 James A. Morrison <phython@gcc.gnu.org>
13474 PR middle-end/21137
13475 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13476 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13477 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13478 signedness of the shift operation.
13480 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13482 PR tree-optimization/26359
13483 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13485 2006-02-25 Roger Sayle <roger@eyesopen.com>
13487 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13488 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13489 as X == 0, and some symmetry related transformations.
13490 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13492 2006-02-25 Roger Sayle <roger@eyesopen.com>
13494 PR middle-end/23673
13495 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13496 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13497 symmetry related transformations. Fold (X^C1) == C2 as
13500 2006-02-25 Juergen Weigert <jw@suse.de>
13501 Richard Guenther <rguenther@suse.de>
13503 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13505 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13507 * combine.c (gen_lowpart_or_truncate): Call
13508 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13510 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13512 * doc/invoke.texi: Move -fopenmp description to "Options for
13514 Remove reference to -lgomp.
13516 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13518 * doc/install.texi: Require GNU tar version 1.14.
13520 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13522 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13523 * doc/invoke.texi (C++ Dialect Options): Document
13524 -fno-use-cxa-get-exception-ptr.
13525 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13526 * configure: Regenerate.
13527 * c.opt (fuse-cxa-get-exception-ptr): New.
13528 * c-opts.c (c_common_handle_option): Handle
13529 OPT_fuse_cxa_get_exception_ptr.
13530 * c-common.c (flag_use_cxa_atexit): Update documentation.
13531 (flag_use_cxa_get_exception_ptr): New.
13532 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13533 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13535 (C_COMMON_OVERRIDE_OPTIONS): New.
13537 2006-02-24 Roger Sayle <roger@eyesopen.com>
13539 PR middle-end/24952
13540 * combine.c (try_combine): Explicitly check whether GET_CODE is
13541 a SET or a CLOBBER, instead on checking that it isn't a USE.
13543 2006-02-24 Roger Sayle <roger@eyesopen.com>
13545 * fold-const.c (fold_comparison): New subroutine of fold_binary
13546 containing transformations common to both the equality and
13547 ordering relational operators, factored out of fold_binary.
13548 (fold_binary): Separate out the equality operators (EQ_EXPR
13549 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13550 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13551 transformations common to both.
13552 (fold_div_compare): Fix latent bugs in the previously unreachable
13553 LT_EXPR and GE_EXPR cases.
13555 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13557 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13558 decl libname for clog to __clog on AIX.
13560 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13562 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13565 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13566 output traceback table for thunks. Localise rs6000_stack_info call.
13568 2006-02-23 Roger Sayle <roger@eyesopen.com>
13569 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13571 * gthr-posix.h (__gthrw): Fix typo in comment.
13573 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13575 * doc/cpp.texi (Character sets): Document that we do support
13576 input files to be in any character set.
13578 2006-02-23 Jeff Law <law@redhat.com>
13580 * tree.h (PHI_ARG_NONZERO): Remove.
13581 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13582 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13583 node to the new node.
13585 PR tree-optimization/26425
13586 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13587 min/max, then assume its varying.
13589 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13591 PR rtl-optimization/26316
13592 * rtlanal.c (enum may_trap_p_flags): New.
13593 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13594 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13595 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13596 (may_trap_after_code_motion_p): New function.
13597 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13598 (find_invariant_insn): Use may_trap_after_code_motion_p.
13599 * rtl.h (may_trap_after_code_motion_p): Declare.
13601 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13603 * emit-rtl.c (immed_double_const): Cleanup.
13605 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13607 Fix PR tree-optimization/26376
13608 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13611 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13613 PR middle-end/26412
13614 * gimplify.c (omp_add_variable): Guard variable size decl test with
13615 DECL_SIZE (decl) check.
13617 2006-02-23 Richard Guenther <rguenther@suse.de>
13619 PR middle-end/26439
13620 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13621 like aggregate types.
13623 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13625 * configure.ac: Add --with{,out}-long-double-128 configure option.
13626 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13627 * configure: Rebuilt.
13628 * config.in: Rebuilt.
13629 * doc/install.texi (Options specification): Document
13630 --with-long-double-128.
13632 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13633 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13634 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13635 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13637 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13639 * config/s390/s390.c (override_options): Handle
13640 TARGET_DEFAULT_LONG_DOUBLE_128.
13642 * config/alpha/alpha.c (override_options): Handle
13643 TARGET_DEFAULT_LONG_DOUBLE_128.
13645 * config/sparc/sparc.c (sparc_override_options): Handle
13646 TARGET_DEFAULT_LONG_DOUBLE_128.
13648 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13650 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13651 (real-install-headers-tar, real-install-headers-cpio)
13652 (real-install-headers-cp): New targets.
13654 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13656 * tree.h (variable_section): Delete.
13657 * varasm.c (variable_section): Delete.
13659 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13661 * install.texi: Add notes on install.texi2html.
13662 (Building in parallel): Do not use footnotes.
13664 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13667 * doc/install.texi (Configuration): Document --disable-libgomp.
13669 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13671 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13673 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13675 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13676 (vec_extractv2df_0_sse): New.
13678 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13680 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13681 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13682 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13683 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13684 to the result of the expression.
13685 (def_cfa_1): Adjust.
13686 (frame_pointer_cfa_offset): Rename to...
13687 (frame_pointer_fb_offset): ... this. Adjust all uses.
13688 (convert_cfa_to_loc_list): Rename to...
13689 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13690 Pass it on to build_cfa_loc.
13691 (compute_frame_pointer_to_cfa_displacement): Rename to...
13692 (compute_frame_pointer_to_fb_displacement): ... this. New
13693 offset parameter. Use it in computation.
13694 (gen_subprogram_die): Compute cfa_fb_offset with the new
13695 macro, and use it to compute the fb loc list and the
13698 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13700 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13701 replaced with register_operand.
13702 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13703 non-DREG is expensive.
13704 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13705 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13708 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13710 * doc/install.texi2html: Use set -e.
13712 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13714 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13715 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13716 * doc/invoke.texi (-fshared-data): Delete.
13717 * common.opt (fshared-data): Delete.
13718 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13719 (assemble_static_space): Remove #if 0 code.
13720 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13721 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13722 * config/cris/cris.h: Remove FIXME.
13724 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13726 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13729 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13731 PR middle-end/26379
13732 * combine.c (simplify_shift_const_1): Disable nested shifts
13733 optimization for vector shifts.
13735 2006-02-20 Roger Sayle <roger@eyesopen.com>
13737 PR tree-optimization/26361
13738 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13739 of unsigned integer types.
13741 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13743 * tree-chrec.c (eq_evolutions_p): New.
13744 * tree-chrec.h (eq_evolutions_p): Declared.
13745 * tree-data-ref.c: Fix formatting.
13746 (datadep_stats, dependence_stats): New.
13748 (print_direction_vector): New.
13749 (dump_data_dependence_relation): Use print_direction_vector.
13750 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13751 (compute_subscript_distance): Static.
13752 (initialize_data_dependence_relation): Static. Get the number
13753 of loops surrounding the references from the callers, and initialize
13754 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13755 base_object_differ_p analyzers.
13756 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13757 compute_overlap_steps_for_affine_1_2,
13758 analyze_subscript_affine_affine): Count the classified dependences.
13759 Print a message when a test failed.
13760 (can_use_analyze_subscript_affine_affine): New.
13761 (analyze_siv_subscript): Compute the data dependences on symbolic
13762 scevs that verify can_use_analyze_subscript_affine_affine.
13763 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13764 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13765 Handle symbolic scevs.
13766 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13768 (subscript_dependence_tester): Moved...
13769 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13770 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13771 DDR_SIZE_VECT instead of getting it in parameter.
13772 (subscript_dependence_tester): ... here. Take as a parameter
13773 loop_nest_depth. Call build_classic_dist_vector and
13774 build_classic_dir_vector.
13775 (compute_affine_dependence): Update subscript_dependence_tester
13776 parameters. Update datadep_stats counters. Call
13777 compute_subscript_distance.
13778 (compute_self_dependence): Save the dist and dir vectors. Call
13779 compute_subscript_distance.
13780 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13781 (compute_all_dependences): Reorder parameters as they were before
13782 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13783 compute_subscript_distance. Update the use of
13784 compute_affine_dependence and initialize_data_dependence_relation.
13785 (find_data_references_in_loop): Handle COMPONENT_REF.
13786 (compute_data_dependences_for_loop): Initialize dependence_stats.
13787 Don't call build_classic_dist_vector and build_classic_dir_vector.
13788 Update the parameters of initialize_data_dependence_relation and
13789 compute_all_dependences. Print the statistics from datadep_stats.
13790 (analyze_all_data_dependences): Static. Not used until the pass for
13791 checking the data dependences is contributed.
13792 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13793 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13794 (initialize_data_dependence_relation, compute_affine_dependence,
13795 analyze_all_data_dependences, compute_subscript_distance): Removed.
13796 (print_direction_vector): New.
13797 * lambda.h (gcd): ... here.
13798 (lambda_vector_gcd): Moved here from gcd_vector.
13799 * lambda-code.c (gcd, gcd_vector): Removed.
13800 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13801 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13803 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13805 * ipa-type-escape.c: Tidy some comments and white space.
13806 * tree-ssa-operands.c: Likewise.
13808 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13811 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13812 (dump_decl_name): Do not walk the decl tree chains.
13813 * tree-pass.h (TDF_CHAIN): Remove.
13815 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13817 * Makefile.in (C): Remove
13819 (.PHONY): Remove C and PROTO
13821 2006-02-20 Roger Sayle <roger@eyesopen.com>
13823 PR middle-end/26236
13824 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13825 deprecated CHAR_TYPE tree code.
13827 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13829 * configure.ac (target_list): Add install-info, dvi, html.
13830 * configure: Regenerate.
13832 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13833 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13834 treelang/Make-lang.in: Do not use double-colon rules.
13836 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13838 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13839 (TMT_USED_ALONE): New macro.
13840 * tree-pass.h (PROP_tmt_usage): New property.
13841 (TODO_update_tmt_usage): New todo.
13842 * tree-ssa-alias.c (updating_used_alone): New variable.
13843 (recalculate_used_alone): New function.
13844 (compute_may_aliases): Set updating_used_alone, call
13845 recalculate_used_alone.
13846 * tree-sra.c (pass_sra): Note that this pass destroys
13847 PROP_tmt_usage, and add TODO_update_tmt_usage.
13848 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13849 * tree-flow.h (updating_used_alone): Prototype.
13850 (recalculate_used_alone): Ditto.
13851 * passes.c (execute_todo): Add code to set updating_used_alone,
13852 and call recalculate.
13853 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13854 for clobber if used alone, and add assert to verify used_alone
13857 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13859 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13860 for non tls symbols added.
13861 (legitimize_address): Do nothing for PLUS expressions if one of the
13862 addends is a tls symbol reference.
13864 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13868 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13870 * Makefile.in (BOOTSTRAPPING): New.
13871 (quickstrap): New definition if BOOTSTRAPPING=yes.
13873 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13874 * configure.ac: Substitute all_selected_languages with the languages
13875 that were configured. For all the other variables except
13876 lang_specs_files, include all the languages in the tree.
13877 * configure: Regenerate.
13879 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13880 if there is one. Run the commands to run fixincludes in the same
13883 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13884 * doc/install.texi: Document exact conventions for searching target tools.
13885 Document --with-build-time-tools. Document toplevel bootstrap. Document
13886 something more about building an Ada cross-compiler. Don't list GNU Make
13887 requirements which affect all platforms.
13889 2006-02-19 Roger Sayle <roger@eyesopen.com>
13891 PR middle-end/19543
13892 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13893 only equivalent if the have both the same mode and precision.
13895 2006-02-20 Ben Elliston <bje@au.ibm.com>
13897 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13899 2006-02-19 Roger Sayle <roger@eyesopen.com>
13900 Steven Bosscher <stevenb.gcc@gmail.com>
13902 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13903 constant pool references to identify stack mode constants.
13904 * rtlanal.c (constant_pool_constant_p): New predicate to check
13905 whether operand is a floating point constant in the pool.
13906 * rtl.h (constant_pool_constant_p): Prototype here.
13907 * loop.c (scan_loop): Avoid hoisting constants from the constant
13908 pool on STACK_REGS targets.
13909 (load_mems): Likewise.
13910 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13911 loads into x87 registers expensive in terms of register pressure.
13913 2006-02-19 Roger Sayle <roger@eyesopen.com>
13915 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13916 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13918 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13920 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13921 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13923 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13925 * doc/invoke.texi: Document -fipa-pta.
13926 * common.opt: Add ipa-pta option.
13927 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13928 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13929 (do_ds_constraint): Ditto.
13930 (get_constraint_for): Only add to referenced_vars if
13931 referenced_vars exists.
13932 (insert_into_field_list): Rewrite to do this unsorted.
13933 (insert_into_field_list_sorted): Rename old insert_into_field_list
13935 (create_function_info_for): Use insert_into_field_list_sorted.
13936 (create_variable_info_for): Rewrite so it uses unsorted version,
13937 since the field list is sorted.
13938 (intra_create_variable_infos): Only add to referenced_vars if
13939 referenced_vars exists.
13940 (ipa_pta_execute): Init heapvars, and delete when done.
13941 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13943 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13945 * doc/install.texi: Add missing `@samp'.
13947 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13949 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13952 2006-02-18 Mark Wielaard <mark@klomp.org>
13954 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13955 who added new 4.1 features, bug fixes and integration support.
13957 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13960 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13961 MEM for ABI_V4 pic.
13963 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13965 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13966 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13967 (copy_insn_1): Likewise. Don't copy each field individually.
13969 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13971 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13972 * rtl.c (rtx_size): Rename variable to...
13973 (rtx_code_size): ...this.
13974 (rtx_size): New function.
13975 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13976 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13978 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13979 * rtl.h (rtx_code_size): New variable.
13980 (rtx_size): Change from a variable to a function.
13981 (RTX_SIZE): Rename to...
13982 (RTX_CODE_SIZE): ...this.
13985 PR tree-optimization/17106
13986 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13987 (Anchored Addresses): New section.
13988 * doc/invoke.texi (-fsection-anchors): Document.
13989 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13990 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13991 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13992 * hooks.c (hook_bool_mode_rtx_false): New function.
13993 * hooks.h (hook_bool_mode_rtx_false): Declare.
13994 * gengtype.c (create_optional_field): New function.
13995 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13996 SYMBOL_REF_IN_BLOCK_P is true.
13997 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13998 (min_anchor_offset, max_anchor_offset): Likewise.
13999 (use_anchors_for_symbol_p): New hook.
14000 * toplev.c (compile_file): Call output_object_blocks.
14001 (target_supports_section_anchors_p): New function.
14002 (process_options): Check that -fsection-anchors is only used on
14003 targets that support it and when -funit-at-a-time is in effect.
14004 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14005 if the decl doesn't have one.
14006 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14007 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14008 of force_const_mem through use_anchored_address.
14009 (expand_expr_constant): New function.
14010 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14011 calling expand_expr for INDIRECT_REF.
14012 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14013 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14014 * expr.h (use_anchored_address): Declare.
14015 * loop-unroll.c: Don't declare rtx vectors here.
14016 * explow.c: Include output.h.
14017 (validize_mem): Call use_anchored_address.
14018 (use_anchored_address): New function.
14019 * common.opt (-fsection-anchors): New switch.
14020 * varasm.c (object_block_htab, anchor_labelno): New variables.
14021 (hash_section, object_block_entry_eq, object_block_entry_hash)
14022 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14023 (use_blocks_for_decl_p, change_symbol_section): New functions.
14024 (get_variable_section): New function, split out from assemble_variable.
14025 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14026 use_blocks_for_decl_p say so. Use change_symbol_section if the
14027 symbol has already been created.
14028 (assemble_variable_contents): New function, split out from...
14029 (assemble_variable): ...here. Don't output any code for
14030 block symbols; just pass them to place_block_symbol.
14031 Use get_variable_section and assemble_variable_contents.
14032 (get_constant_alignment, get_constant_section, get_constant_size): New
14033 functions, split from output_constant_def_contents.
14034 (build_constant_desc): Create a block symbol if use_object_blocks_p
14035 says so. Or into SYMBOL_REF_FLAGS.
14036 (assemble_constant_contents): New function, split from...
14037 (output_constant_def_contents): ...here. Don't output any code
14038 for block symbols; just pass them to place_section_symbol.
14039 Use get_constant_section and get_constant_alignment.
14040 (force_const_mem): Create a block symbol if use_object_blocks_p and
14041 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14042 (output_constant_pool_1): Add an explicit alignment argument.
14043 Don't switch sections here.
14044 (output_constant_pool): Adjust call to output_constant_pool_1.
14045 Switch sections here instead. Don't output anything for block symbols;
14046 just pass them to place_block_symbol.
14047 (init_varasm_once): Initialize object_block_htab.
14048 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14049 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14050 (place_block_symbol, get_section_anchor, output_object_block)
14051 (output_object_block_htab, output_object_blocks): New functions.
14052 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14053 (TARGET_ASM_OUT): Include it.
14054 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14055 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14056 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14057 (TARGET_INITIALIZER): Include them.
14058 * rtl.c (rtl_check_failed_block_symbol): New function.
14059 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14060 (block_symbol, object_block): New structures.
14061 (rtx_def): Add a block_symbol field to the union.
14062 (BLOCK_SYMBOL_CHECK): New macro.
14063 (rtl_check_failed_block_symbol): Declare.
14064 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14065 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14066 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14067 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14068 * output.h (output_section_symbols): Declare.
14069 (object_block): Name structure.
14070 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14071 (default_use_anchors_for_symbol_p): Declare.
14072 * Makefile.in (RTL_BASE_H): Add vec.h.
14073 (explow.o): Depend on output.h.
14074 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14075 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14076 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14077 (rs6000_use_blocks_for_constant_p): New function.
14079 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14081 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14083 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14086 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14089 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14091 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14095 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14097 PR middle-end/26334
14098 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14099 instead of DECL_REGISTER.
14101 2006-02-18 Olivier Hainque <hainque@adacore.com>
14104 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14106 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14109 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14110 * opth-gen.awk: Handle Var and InverseMask together.
14111 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14112 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14113 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14114 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14116 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14117 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14118 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14119 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14120 LINUX_DYNAMIC_LINKER): Define.
14121 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14122 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14124 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14125 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14126 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14127 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14128 (TARGET_C99_FUNCTIONS): Don't define.
14129 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14130 GLIBC_DYNAMIC_LINKER.
14131 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14132 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14133 GLIBC_DYNAMIC_LINKER64): Define.
14134 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14135 LINUX_DYNAMIC_LINKER64.
14136 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14137 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14138 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14139 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14140 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14141 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14142 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14143 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14144 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14145 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14146 and LINUX_DYNAMIC_LINKER32.
14147 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14148 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14149 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14150 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14151 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14153 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14154 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14155 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14156 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14157 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14158 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14159 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14160 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14161 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14162 LINUX_DYNAMIC_LINKER): Define.
14163 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14164 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14165 GLIBC_DYNAMIC_LINKER64): Define.
14166 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14167 LINUX_DYNAMIC_LINKER64.
14168 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14169 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14170 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14171 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14172 LINUX_DYNAMIC_LINKER): Define.
14173 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14174 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14175 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14176 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14177 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14178 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14179 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14180 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14181 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14182 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14183 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14184 * doc/invoke.texi (-muclibc): Remove caveat about supported
14187 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14189 * doc/cpp.texi (__TIMESTAMP__): Document.
14191 2006-02-17 Roger Sayle <roger@eyesopen.com>
14193 PR middle-end/25600
14194 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14195 C is one less than the width of X (and related transformations).
14196 * simplify-rtx.c (simplify_unary_operation_1): Transform
14197 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14198 depending on STORE_FLAG_VALUE, were C is one less then the
14201 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14203 Fix PR tree-optimization/26341
14204 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14205 about NAME_MEMORY_TAG's.
14207 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14210 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14211 with hardware float support, and software float support. Add fcpy
14212 alternative to hardware patterns. Add alternatives to copy between
14213 general and floating-point registers to the 32-bit pattern.
14214 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14215 secondary reload to load a QI or HI mode constant into a floating
14217 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14218 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14220 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14223 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14225 (load_macho_picbase_di): Likewise.
14227 2006-02-16 Jeff Law <law@redhat.com>
14229 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14230 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14231 (ssa_name_nonzero_p): Likewise.
14232 (get_value_range): Return NULL if VRP is not running.
14233 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14234 VRP routines do not discover a range.
14235 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14236 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14237 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14238 (tree_expr_nonnegative_p): Similarly.
14239 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14240 (restore_nonzero_vars_to_original_value): Remove.
14241 (unsafe_associative_fp_binop): Remove.
14242 (tree_ssa_dominator_optimize): Remove initialization and
14243 finalization of nonzero_vars and nonzero_vars_stack.
14244 (dom_opt_initialize_block): No longer push marker on
14245 nonzero_vars_stack.
14246 (dom_opt_finalize_block): No longer call
14247 restore_nonzero_vars_to_original_value.
14248 (record_equivalences_from_phis): No longer look for
14249 nonzero PHI arguments.
14250 (cprop_into_successor_phis): No longer propagate nonzero
14251 property into PHI arguments. Lose unused argument. Caller
14253 (record_equivalences_from_stmt): No longer record nonzero
14254 values for SSA_NAMEs.
14255 (lookup_avail_expr): No longer use nonzero_vars.
14257 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14258 for sizetype when sizetype is unsigned.
14260 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14262 PR rtl-optimization/25603
14263 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14264 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14265 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14266 with new meaning of SETS.
14268 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14273 * config/linux.opt: New file.
14274 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14275 LINUX_DYNAMIC_LINKER): Define.
14276 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14277 * config.gcc (*-*-linux*): Define extra_options.
14278 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14279 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14280 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14281 GLIBC_DYNAMIC_LINKER.
14282 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14283 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14284 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14285 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14286 * doc/invoke.texi (GNU/Linux Options): New section.
14288 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14290 * config/sparc/sparc.md (setjmp): Rewrite.
14291 (setjmp_32): Delete.
14292 (setjmp_64): Likewise.
14294 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14296 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14299 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14301 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14304 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14306 PR rtl-optimization/26296
14307 * Makefile.in (loop-invariant.c): Add except.h dependency.
14308 * loop-invariant.c: Include except.h.
14309 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14311 2005-02-16 Paul Brook <paul@codesourcery.com>
14313 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14316 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14318 PR rtl-optimization/25636
14319 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14320 when deciding whether an insn is an initializing insn.
14322 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14324 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14325 (tree_code_size): Ditto.
14326 * tree.h (struct tree_memory_tag): Remove parent_var.
14327 (struct tree_struct_field_tag): New.
14330 (union tree_node): Add sft member.
14331 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14333 (create_sft): Add size and offset argument, set SFT_OFFSET and
14335 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14336 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14337 * tree-flow-inline.h (get_subvar_at): Update for
14338 SFT_OFFSET/SFT_SIZE.
14339 (var_can_have_subvars): Ditto.
14340 (overlap_subvar): Ditto.
14341 * print-tree.c (print_node): Print out interesting things for
14343 * tree-flow.h (struct subvar): Remove offset and size members.
14344 * tree-ssa-operands.c (get_expr_operands): Update for
14345 get_indirect_ref_operands changes.
14346 (get_indirect_ref_operands): Call add_virtual_operand instead of
14347 add_stmt_operand. Only recurse on base var if requested.
14348 (access_can_touch_variable): New function.
14349 (add_stmt_operand): Split virtual operand handling into ...
14350 (add_virtual_operand): Here. Add offset, size, and for_clobber
14351 arguments. Prune alias sets.
14352 (add_call_clobber_ops): Call add_virtual_operand.
14354 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14356 PR middle-end/26300
14357 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14359 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14360 than TREE_CODE as index into omp_clause_num_ops array.
14362 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14364 PR rtl-optimization/26184
14365 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14367 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14368 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14369 must_precede, must_follow and tobe_scheduled.
14372 * opts.c (common_handle_option): Free new_option pointer.
14373 * df-core.c (df_analyze): Free postorder pointer.
14375 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14377 * Makefile.in: Fix the examples about the use of stamps
14379 2006-02-15 Michael Matz <matz@suse.de>
14381 PR middle-end/22275
14383 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14384 influenced by maximum_field_alignment or DECL_PACKED.
14385 (update_alignment_for_field): Ditto.
14386 (place_field): Ditto.
14387 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14390 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14392 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14393 (debug_flow_info): Pass it.
14394 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14395 * bb-reorder.c (reorder_basic_blocks): Likewise.
14396 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14397 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14398 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14399 * gcse.c (gcse_main, bypass_jumps): Likewise.
14400 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14401 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14402 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14403 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14404 * rtl.h (dump_flow_info): Adjust prototype.
14405 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14406 * var-tracking.c (variable_tracking_main): Likewise.
14407 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14408 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14411 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14413 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14416 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14418 PR tree-optimization/26209
14419 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14420 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14422 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14424 2006-02-14 Roger Sayle <roger@eyesopen.com>
14426 PR middle-end/23670
14427 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14428 (X,Y) and the corresponding symmetry related transformations.
14429 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14430 (X,Y) and its symmetry related transformations.
14432 2006-02-14 Roger Sayle <roger@eyesopen.com>
14434 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14437 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14439 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14441 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14444 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14445 support COMDAT group.
14446 * configure: Regenerate.
14448 2006-02-14 Roger Sayle <roger@eyesopen.com>
14450 PR middle-end/26279
14451 PR middle-end/26280
14452 PR middle-end/26283
14453 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14455 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14457 Fix PR tree-optimization/26260
14459 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14461 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14462 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14463 * tree-ssa-structalias.c (create_variable_info_for): Use
14464 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14466 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14468 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14470 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14471 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14472 of the ending condition.
14473 * tree-ssa-loop-manip.c: Include params.h.
14474 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14475 tree_unroll_loop): New functions.
14476 * tree-pass.h (pass_loop_prefetch): Declare.
14477 * loop.c (rest_of_handle_loop_optimize): Test for
14478 -fprefetch-loop-arrays-rtl.
14479 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14480 * timevar.def (TV_TREE_PREFETCH): New timevar.
14481 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14482 pass_loop_prefetch): New.
14483 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14484 (cleanup_tree_cfg_loop): Call scev_reset.
14485 * common.opt (fprefetch-loop-arrays-rtl): Add.
14486 * tree-ssa-loop-prefetch.c: New file.
14487 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14488 (new_temp_expr_table): Initialize expr_vars.
14489 (free_temp_expr_table): Cleanup expr_vars.
14490 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14491 expressions from being merged into one.
14492 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14493 (struct tree_niter_desc): Add control, bound and cmp fields.
14494 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14496 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14497 (tree-cfgcleanup.o): Add SCEV_H dependency.
14498 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14499 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14501 2006-02-14 Richard Guenther <rguenther@suse.de>
14503 PR tree-optimization/26258
14504 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14505 in PHI argument processing.
14507 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14509 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14510 new expression in the requested machine mode.
14512 2006-02-13 Roger Sayle <roger@eyesopen.com>
14514 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14515 directly, instead let do_compare_rtx_and_jump handle this for us.
14516 * expr.c (expand_expr_real_1): Likewise.
14517 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14518 before do_jump_by_parts_greater.
14519 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14520 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14522 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14524 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14526 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14528 PR rtl-optimization/26235
14529 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14530 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14533 2006-02-13 Jeff Law <law@redhat.com>
14535 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14538 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14540 PR middle-end/26092
14541 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14542 twice if decl is a builtin. When trying again, call get_callee_fndecl
14543 first to verify it is still a builtin.
14545 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14547 * dwarf2out.c (base_type_die): Don't add AT_name here.
14548 (subrange_type_die): Don't add AT_name here.
14549 (modified_type_die): Rearrange code flow. Do add AT_name here.
14551 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14553 PR rtl-optimization/26247
14554 PR rtl-optimization/26248
14555 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14557 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14559 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14560 * config/fixtfdi.c: Likewise.
14561 * config/fixunstfdi.c: Likewise.
14562 * config/floatditf.c: Likewise.
14564 2006-02-13 Roger Sayle <roger@eyesopen.com>
14566 PR middle-end/24427
14567 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14568 into (X,C2) if C1 is a subset of the bits of C2. Transform
14569 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14571 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14573 2006-02-13 Josh Conner <jconner@apple.com>
14576 * varasm.c (function_section): Check for section name before
14577 calling select_section on targets that define
14578 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14579 unlikely_text_section instead of hot_function_section if
14580 first_function_block_is_cold.
14582 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14584 PR middle-end/25335
14585 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14587 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14589 PR rtl-optimization/26222
14590 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14591 after tree->rtl expansion.
14592 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14593 before passing it to emit_move_insn.
14595 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14597 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14599 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14600 Clarify documentation.
14601 * c-common.h (warn_write_strings): Remove.
14602 * c-common.c (warn_write_strings): Likewise.
14603 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14606 2006-02-12 Roger Sayle <roger@eyesopen.com>
14608 PR middle-end/25724
14609 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14610 (do_jump_parts_zero_rtx): New function renamed from
14611 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14612 (do_jump_parts_equality_rtx): New function split out from
14613 do_jump_parts_equality. Old implementation renamed as above.
14614 Call do_jump_parts_zero_rtx if either operand is zero.
14615 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14616 do all of the heavy lifting.
14617 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14618 calling either do_jump_by_parts_greater_rtx or
14619 do_jump_by_parts_equality_rtx.
14620 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14621 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14622 moved to do_compare_rtx_and_jump, call it directly.
14623 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14624 mode argument. Call do_compare_rtx_and_jump.
14625 (emit_case_nodes): Update calls to do_jump_if_equal.
14627 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14629 PR rtl-optimization/26225
14630 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14632 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14634 PR rtl-optimization/26232
14635 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14637 2006-02-11 Jason Merrill <jason@redhat.com>
14640 * tree-inline.c (declare_return_variable): Just don't use the
14641 modify target if it's a gimple complex reg and the return slot
14644 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14646 * doc/contrib.texi: Update my entry.
14648 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14650 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14652 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14654 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14657 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14659 * doc/invoke.texi (-floop-optimize2): Removed.
14660 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14661 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14662 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14663 * common.opt (floop-optimize2): Removed.
14664 (fmove-loop-invariants): Enabled by default.
14666 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14668 * tree-if-conv.c (combine_blocks): Free the result of
14669 get_loop_exit_edges.
14671 2006-02-10 Jeff Law <law@redhat.com>
14673 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14675 PR tree-optimization/26213
14676 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14677 loop trying to follow SSA_NAME_VALUE chains.
14679 2006-02-10 Richard Guenther <rguenther@suse.de>
14681 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14682 deal with structures that end in implicitly variable sized arrays.
14684 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14686 PR rtl-optimization/24762
14687 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14690 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14692 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14693 (struct ivopts_data): Add regs_used field.
14694 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14695 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14696 instead of loop_data->regs_used;
14697 (free_loop_data): Do not free aux fields for loops.
14698 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14699 and tree_ssa_iv_optimize_finalize.
14701 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14703 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14705 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14708 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14709 computing the effective result type.
14711 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14713 PR inline-asm/16194
14714 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14715 (tree_overlaps_hard_reg_set): Declare.
14716 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14717 type and signature to match function type expected by walk_tree.
14718 (tree_overlaps_hard_reg_set): New function.
14719 (decl_conflicts_with_clobbers_p): Rename to:
14720 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14721 Use tree_overlaps_hard_reg_set. Changed caller.
14722 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14723 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14724 * cris.c (cris_md_asm_clobbers): Likewise.
14726 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14728 * reload1.c (emit_input_reload_insns): Delete code that tries to
14729 inherit using find_equiv_reg.
14731 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14733 * c-common.h (flag_const_strings): Don't declare.
14734 * c-common.c (flag_const_strings): Remove.
14735 * c.opt (fconst_strings): Remove.
14736 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14737 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14738 (c_common_init_options): Don't set flag_const_strings.
14739 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14741 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14743 * arm.md (tlobits_cbranch): New pattern.
14744 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14745 testing a single bit.
14747 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14750 * tree-ssa-pre.c (create_component_ref_by_pieces):
14751 Handle RETURN_DECL like VAR_DECL.
14753 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14755 PR middle-end/26134
14756 * fold-const.c (fold_indirect_ref_1): Fold
14757 "*(foo *)&complexfoo" to "__real__ complexfoo"
14758 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14760 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14762 * tree-flow-inline.h (var_can_have_subvars):
14763 Volatile variables should not have subvariables.
14765 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14768 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14769 multiplying unsigned values.
14772 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14774 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14776 2006-02-08 Jason Merrill <jason@redhat.com>
14779 * tree.def: Elaborate on difference from MODIFY_EXPR.
14780 * doc/c-tree.texi (INIT_EXPR): Likewise.
14781 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14782 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14783 (gimplify_target_expr): Likewise.
14784 (gimplify_cond_expr): Remove target handling.
14785 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14786 (gimplify_expr): Clobber it here.
14787 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14788 Do return slot optimization if we have an INIT_EXPR.
14791 * tree-inline.c (declare_return_variable): Also clear
14792 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14795 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14797 PR middle-end/22439
14798 * gimplify.c (gimplify_one_sizepos): Fix typo.
14800 2006-02-08 Jeff Law <law@redhat.com>
14802 PR tree-optimization/21417
14803 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14804 across a backedge if the control statement at the end of the
14805 block is data dependent on other statements in the same block.
14806 (record_temporary_equivalences_from_stmts): Remove over-conservative
14807 test for threading across backedges.
14809 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14810 control statement, handle all three special cases in the same
14811 manner as they all have the same desired solution. No longer
14812 special case edge flag updating when the post dominator is
14815 2006-02-08 Roger Sayle <roger@eyesopen.com>
14817 * tree.def (CHAR_TYPE): Remove.
14818 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14819 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14820 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14821 (gen_string_type_die): Delete unreachable function.
14823 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14824 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14825 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14826 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14827 * builtins.c (type_to_class): Likewise.
14828 * fold-const.c (fold_convert, build_range_check,
14829 merge_ranges): Likewise.
14830 * expr.c (count_type_elements): Likewise.
14831 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14832 * stor-layout.c (layout_type): Likewise.
14833 * ipa-type-escape.c (type_to_consider): Likewise.
14834 * gimplify.c (omp_firstprivatize_type_sizes,
14835 gimplify_type_sizes): Likewise.
14836 * explow.c (promote_mode): Likewise.
14837 * tree-sra.c (is_sra_scalar_type): Likewise.
14838 * varasm.c (output_constant): Likewise.
14839 * tree-inline.c (remap_type_1): Likewise.
14840 * convert.c (convert_to_pointer, convert_to_real,
14841 convert_to_integer, convert_to_complex): Likewise.
14843 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14845 * df-scan.c (df_def_record_1): A set destination may
14846 be a parallel regardless of mode.
14848 2006-02-08 Roger Sayle <roger@eyesopen.com>
14851 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14852 * config/mips/_tilib.c: Remove.
14853 * config/fixtfdi.c: New libgcc source file.
14854 * config/fixunstfdi.c: New source file.
14855 * config/floatditf.c: New source file.
14856 * config/floatunditf.c: New souce file.
14857 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14858 files above instead of config/mips/_tilib.c.
14859 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14861 2006-02-08 Jeff Law <law@redhat.com>
14863 PR tree-optimization/26169
14864 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14867 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14869 * df.h (DF_REG_SIZE): Return the length of the initialized
14872 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14874 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14875 __muldf3): Return a correctly signed zero.
14877 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14879 * passes.c (register_one_dump_file): Accept the current properties
14880 instead of pass number. Adjust call to dump_register. Remove
14882 (register_dump_files): Now a wrapper around...
14883 (register_dump_files_1): ... this one. Do not modify the pass
14885 (next_pass_1): Cosmetic fix.
14886 (execute_todo): Keep second parameter only. Use curr_properties
14887 instead of fetching it from the pass structure. Check and set
14889 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14890 instead of fetching it from the pass structure. Fix calls to
14891 execute_todo. Update curr_properties and initialize .vcg RTL dump
14892 after running the pass. Reset last_verified.
14893 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14895 (FIRST_AUTO_NUMBERED_DUMP): New.
14896 (dump_register): Remove "num" parameter, assign it within the
14898 (get_dump_file_name): Modify template for dumps.
14899 * tree-dump.h (dump_register): Adjust prototype.
14900 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14901 (PROP_trees): Add PROP_gimple_lomp.
14902 (TODO_set_props): New.
14903 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14904 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14905 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14907 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14909 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14910 (sparc64-*-linux*): Likewise.
14911 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14912 * config/sparc/t-linux: New file.
14913 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14914 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14915 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14916 -m32 -mlong-double-128.
14918 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14919 * config/alpha/t-linux: New file.
14920 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14922 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14923 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14924 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14925 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14926 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14927 (CPP_ARCH32_SPEC): Remove.
14929 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14931 PR tree-optimization/26145
14932 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14935 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14938 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14939 >= 240000 when generating code for SOM runtime.
14940 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14941 to $$dyncall when generating code for SOM runtime..
14943 2006-02-07 Dirk Mueller <dmueller@suse.com>
14946 * doc/invoke.texi (-Wsequence-point): Update documentation
14947 that -Wsequence-point is implemented for C++ as well.
14949 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14951 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14952 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14953 (LIB_SPEC): Likewise.
14954 * doc/invoke.texi (SPARC options): Document -pthread.
14956 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14958 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14961 2006-02-07 Roger Sayle <roger@eyesopen.com>
14963 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14964 Correct comment describing BOOLEAN_TYPE.
14966 2006-02-07 Dirk Mueller <dmueller@suse.com>
14968 * c.opt: C++ frontend supports -Wdiv-by-zero.
14969 * c-opts.c (c_common_handle_option): Remove dead case.
14971 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14973 * configure.ac (TLS assembler check): Do not enable TLS by
14974 default on SPARC/Solaris before version 10.
14975 * configure: Regenerate.
14977 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14979 * doc/invoke.texi (xl-compat): Document conversion and support
14982 2006-02-07 Jeff Law <law@redhat.com>
14984 * tree-vrp.c (find_conditional_asserts): Update comments.
14985 (simplify_stmt_for_jump_threading): New.
14986 (identify_jump_threads, finalize_jump_threads): New.
14987 (vrp_finalize): Call identify_jump_threads.
14988 (execute_vrp): Call finalize_jump_threads.
14989 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14990 (vrp_element, vrp_data, vrp_element_p): Remove.
14991 (vrp_hash_elt, vrp_variables_stack): Remove.
14992 (vrp_hash, vrp_eq, record_range): Remove.
14993 (simplify_cond_and_lookup_avail_expr): Remove.
14994 (extract_range_from_cond): Remove.
14995 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14996 (simplify_stmt_for_jump_threading): New.
14997 (dom_thread_across_edge): New wrapper.
14998 (tree_ssa_dominator_optimize): No longer initialize or
14999 finalize any of the VRP datastructures. Remove iteration
15000 step and simplify as a result of removal of iteration step.
15001 (pass_dominator): Perform a cfg cleanup after DOM.
15002 (dom_opt_finalize_block): Use the new common routines
15003 for threading jumps. Simplify stack management slightly.
15004 No longer need to unwind VRP state.
15005 (record_equivalences_from_incoming_edge): No longer record
15007 (eliminate_redundant_computations): No longer call
15008 simplify_cond_and_lookup_avail_expr.
15009 * tree-flow.h (potentially_threadable_block): Prototype.
15010 (thread_across_edge): Likewise.
15011 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15012 (tree-ssa-threadedge.o): Add dependencies.
15013 * tree-ssa-threadedge.c: New file.
15014 * passes.c (init_optimization_passes): Merge PHIs before
15015 calling VRP. Run VRP again late in the SSA optimization pipeline.
15017 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15019 * df-core.c (df_set_blocks): Do not dereference function pointers.
15020 (df_finish1): Likewise.
15021 (df_hybrid_search_forward): Likewise.
15022 (df_hybrid_search_backward): Likewise.
15023 (df_iterative_dataflow): Likewise.
15024 (df_analyze_problem): Likewise.
15025 (df_compact_blocks): Likewise.
15026 (df_dump): Likewise.
15027 * df-scan.c (df_rescan_blocks): Likewise.
15028 (df_record_entry_block_defs): Likewise.
15030 * genconditions.c (write_conditions): Guard the definition of
15031 'insn_conditions' with the check on GCC version.
15032 (write_writer): Guard the traversal 'insn_conditions' with
15033 the check on GCC version.
15035 2006-02-07 Richard Guenther <rguenther@suse.de>
15039 2006-01-30 Richard Guenther <rguenther@suse.de>
15041 * gimplify.c (gimplify_target_expr): Handle easy cases
15042 without creating a temporary.
15044 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15046 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15047 use of float in probability computations. Use edge probabilities
15048 in place of statically computed probabilities.
15049 (min_spec_prob): New static variable.
15050 (schedule_insns): Initialize it.
15051 (GET_SRC_PROB): Removed.
15052 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15054 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15057 * config/ia64/unwind-ia64.c: Revert last change.
15058 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15059 (INCOMING_FRAME_SP_OFFSET): Define.
15061 2006-02-06 Roger Sayle <roger@eyesopen.com>
15063 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15065 2006-02-07 Ben Elliston <bje@au.ibm.com>
15067 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15068 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15069 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15070 (ix86_return_in_memory): Handle TDmode.
15071 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15072 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15074 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15076 * reorg.c (dbr_schedule): Use dump_file instead of file.
15078 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15081 * config/ia64/predicates.md (extr_len_operand): New predicate.
15082 * config/ia64/ia64.md (extv): Tighten constraints.
15084 (*tbit_and_2): Ditto.
15085 (*tbit_and_3): Ditto.
15086 (*tbit_or_2): Ditto.
15087 (*tbit_or_3): Ditto.
15088 (*bit_zero): Ditto.
15091 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15094 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15096 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15098 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15099 loop_optimizer_init and loop_optimizer_finalize
15100 * tree-ssa-sink.c (execute_sink_code): Ditto.
15101 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15102 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15103 tree_ssa_loop_done): Ditto.
15104 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15105 * sched-ebb.c: Include output.h.
15106 (schedule_ebbs): Do not use dump argument.
15107 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15108 * loop.c (loop_dump_stream): Removed.
15109 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15111 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15112 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15113 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15114 loop_iterations, strength_reduce, record_biv, record_giv,
15115 final_giv_value, check_final_value, check_ext_dependent_givs,
15116 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15117 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15118 dump_file instead of loop_dump_stream.
15119 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15120 argument dump_file.
15121 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15123 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15124 * haifa-sched.c: Include output.h
15125 (schedule_insns, sched_init): Do not use dump argument.
15126 * mode-switching.c (optimize_mode_switching): Ditto.
15127 * modulo-sched.c (stats_file): Removed.
15128 (print_node_sched_params): Do not call argument dump_file.
15129 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15130 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15132 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15134 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15135 rtl_loop_init, rtl_loop_done): Ditto.
15136 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15137 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15139 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15140 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15141 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15142 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15143 * emit-rtl.c (renumber_insns): Ditto.
15144 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15145 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15146 * regclass.c (regclass): Ditto.
15147 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15148 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15149 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15150 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15152 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15153 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15155 * gcse.c (gcse_file, debug_stderr): Removed.
15156 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15157 rest_of_handle_gcse): Do not use dump argument.
15158 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15159 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15160 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15161 compute_code_hoist_vbeinout, compute_code_hoist_data,
15162 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15163 compute_store_table, build_store_vectors, insert_insn_start_bb,
15164 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15165 store_motion): Use dump_file instead of gcse_file.
15166 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15167 * profile.c (profile_dump_file): Removed.
15168 (branch_prob): Use dump_file instead of profile_dump_file.
15169 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15171 * tree-ssa-copy.c (dump_copy_of): Ditto.
15172 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15173 dump file to life_analysis.
15174 * bt-load.c (branch_target_load_optimize): Ditto.
15175 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15177 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15178 regclass, dbr_schedule): Declaration changed.
15179 * sched-int.h (sched_init): Declaration changed.
15180 * tree-profile.c (tree_profile_dump_file): Removed.
15181 (tree_profile_hooks): Removed profile_dump_file hook.
15182 * rtl-profile (rtl_profile_dump_file): Removed.
15183 (rtl_profile_hooks): emoved profile_dump_file hook.
15184 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15186 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15187 * tree-cfg.c (build_tree_cfg): Ditto.
15188 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15189 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15190 Declaration changed.
15191 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15192 life_analysis and schedule_insns.
15193 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15195 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15197 * config/mips/mips.c (mips_reorg): Ditto.
15198 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15201 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15203 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15204 (s390_mangle_fundamental_type): New.
15205 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15208 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15209 (alpha_mangle_fundamental_type): New.
15210 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15213 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15215 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15217 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15218 (sparc_mangle_fundamental_type): New.
15220 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15222 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15223 (s390x-*-linux*): Likewise.
15224 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15225 * config/s390/t-linux: New file.
15227 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15229 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15230 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15232 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15234 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15235 (ANTIC_SAFE_LOADS): New macro.
15236 (find_or_generate_expression): Add prototype.
15237 (set_contains_value): Allow null set for sake of not always having
15238 to allocate ANTIC_SAFE_LOADS.
15239 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15240 Allow COMPONENT_REF too.
15241 (valid_in_set): Allow COMPONENT_REF.
15242 Check ANTIC_SAFE_LOADS too.
15243 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15244 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15246 (can_PRE_operation): Add COMPONENT_REF.
15247 (create_component_ref_by_pieces): New function.
15248 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15249 (insert_aux): Move AGGREGATE_TYPE_P check here.
15250 (compute_avail): Set bb local stmt uids.
15251 (pass_pre): Use TODO_update_ssa_only_virtuals.
15253 2006-02-06 Ben Elliston <bje@au.ibm.com>
15255 * configure.ac: Unconditionally disable decimal float by default.
15256 * configure: Regenerate.
15258 2006-02-06 Ben Elliston <bje@au.ibm.com>
15260 * read-rtl.c (read_name): Terminate reading on EOF.
15262 2006-02-06 Ben Elliston <bje@au.ibm.com>
15264 * dfp.c (decimal_real_arithmetic): Change second argument type
15265 from int to enum tree_code. Do not always return true, but now
15266 return result of any call to decimal_do helper functions.
15267 * dfp.h (decimal_real_arithmetic): Update prototype.
15269 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15271 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15273 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15276 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15279 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15281 * tree-vrp.c (cfg_loops): Removed.
15282 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15283 Use current_loops instead of cfg_loops. Pass flags to
15284 loop_optimizer_init.
15285 * cfgloopmanip.c (fix_loop_structure): Update only available
15287 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15288 loop_optimizer_init.
15289 * modulo-sched.c (build_loops_structure): Removed.
15290 (sms_schedule): Use loop_optimizer_init.
15291 * loop-init.c (loop_optimizer_init): Use flags to determine
15292 which properties of loops to prepare.
15293 (rtl_loop_init): Pass flags to loop_optimizer_init.
15294 * tree-ssa-sink.c (execute_sink_code): Ditto.
15295 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15296 * tree-ssa-pre.c (init_pre): Ditto.
15297 * cfgloop.h (LOOPS_NORMAL): New.
15298 (loop_optimizer_init): Declaration changed.
15300 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15302 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15303 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15305 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15307 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15309 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15310 * pa/t-pa64: Delete quadlib.c rule.
15311 * pa/x-ada: Revert last change.
15312 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15314 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15316 PR rtl-optimization/26087
15317 * rtlanal.c (canonicalize_condition): Do not cross basic block
15320 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15323 * config/ia64/ia64.c: Include debug.h.
15324 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15325 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15326 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15327 (process_epilogue, process_set, process_for_unwind_directive):
15328 Output unwind info only if requested. Add CFA info if requested.
15329 Add new arguments as needed. Adjust callers.
15330 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15332 (DWARF2_FRAME_INFO): Define to zero.
15333 * config/ia64/unwind-ia64.c: Remove code that compensated for
15334 the CFA offset error fixed above.
15335 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15336 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15337 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15338 -funwind-tables and -fexceptions to enable frame info.
15339 (dwarf2out_frame_init): Define initial CFA even if
15340 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15341 DWARF2_UNWIND_INFO is nonzero, not just defined.
15342 (dwarf2out_frame_finish): Output non-EH call frame info only
15343 if DWARF2_FRAME_INFO is nonzero.
15344 (convert_cfa_to_loc_list,
15345 compute_frame_pointer_to_cfa_displacement): Define even if
15346 unwind info is not supported.
15347 (gen_subprogram_die): Use the above unconditionally. Remove
15348 legacy alternate code.
15349 * toplev.c (compile_file): Compile in call to
15350 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15351 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15353 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15354 Jakub Jelinek <jakub@redhat.com>
15356 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15357 IBM extended float format long double as "g" on powerpc*-linux.
15359 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15362 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15363 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15365 2006-02-03 Jason Merrill <jason@redhat.com>
15368 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15370 PR middle-end/25977
15371 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15372 on the return slot if it's an NRV.
15374 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15376 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15377 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15378 rewrite_use): Do not handle USE_OUTER.
15379 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15380 add_iv_outer_candidates, may_replace_final_value,
15381 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15382 (find_interesting_uses_op): Functionality of
15383 find_interesting_uses_outer_or_nonlin moved here.
15384 (find_interesting_uses_outside): Use find_interesting_uses_op.
15386 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15389 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15391 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15392 Ulrich Weigand <uweigand@de.ibm.com>
15395 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15396 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15397 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15398 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15400 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15401 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15402 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15403 Define secondary reloads for TFmode moves.
15404 (constant_modes): Add TFmode.
15405 (NR_C_MODES): Set to 8.
15406 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15408 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15409 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15410 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15411 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15412 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15413 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15414 (FPR mode macro): Add TFmode.
15415 (DSF mode macro): New.
15416 (<de>, <dee> mode attributes): Removed.
15417 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15418 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15419 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15420 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15421 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15422 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15423 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15424 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15425 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15426 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15427 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15428 "*negabs<mode>2", "sqrt<mode>2"):
15429 Changed <de> to <xde>. R constraint replaced by <Rf>.
15430 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15432 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15433 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15434 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15436 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15437 "extenddftf2", "extendsftf2"): New expanders.
15438 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15439 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15440 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15441 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15443 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15444 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15445 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15446 __floatditf): Add a GCC_4.1.0 symbol version tag.
15447 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15450 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15453 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15454 Use targetm.binds_local_p instead of TREE_PUBLIC.
15456 2006-02-02 Roger Sayle <roger@eyesopen.com>
15458 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15459 on INTEGER_TYPEs to indicate that it denotes a character type.
15460 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15461 signed_char_type_node, unsigned_char_type_node and char_type_node.
15462 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15463 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15464 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15466 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15467 Daniel Berlin <dberlin@dberlin.org>
15469 * tree-tailcall.c (arg_needs_copy_p): New function.
15470 (eliminate_tail_call): Use arg_needs_copy_p.
15471 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15472 (add_virtual_phis): New function.
15474 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15476 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15477 #ignore instead of #scratch for %g7 .register directive.
15479 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15481 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15484 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15486 * flow.c (calculate_global_regs_live): Assert that there aren't any
15489 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15491 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15492 what its name says.
15493 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15494 bsi_after_labels iterator.
15495 * tree-if-conv.c (find_phi_replacement_condition,
15496 replace_phi_with_cond_modify_expr): Likewise.
15497 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15498 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15500 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15502 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15504 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15507 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15508 array after growing it.
15510 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15512 PR middle-end/24901
15513 * fold-const.c (fold_checksum_tree): Change type of buf.
15515 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15517 * reload.c (push_secondary_reload): Initialize t_icode.
15519 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15521 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15522 -msoft-float -mlong-double-128 only issue a warning, but don't
15523 swich to DFmode long double.
15525 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15527 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15528 has a constant equivalent, iterate over equivalents for arg0,
15529 calling simplify_relational_operation and if there's a result
15530 cheaper than X, apply fold_rtx and return the result.
15532 2006-02-01 Jan Hubicka <jh@suse.cz>
15534 * opts.c (no_unit_at_a_time_default): New global variable.
15535 (decode_options): Use it.
15536 * opts.h (no_unit_at_a_time_default): Declare.
15538 2006-02-01 Paul Brook <paul@codesourcery.com>
15540 * function.c (assign_parm_setup_reg): Use function argument promotion
15542 * expr.c (expand_expr_real_1): Use function argument promotion rules
15545 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15547 * gcc.c (process_command): Change j to 'unsigned int'.
15549 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15551 PR middle-end/26001
15552 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15553 Use the corrected index for the character
15554 out of the string constant.
15556 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15558 * mode-switching.c (optimize_mode_switching): Fix size
15559 allocated for bb_info[n_entities].
15561 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15563 * gcc.c (main): Correct type that is allocated for
15564 explicit_link_files.
15566 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15568 * config/s390/s390.c (init_alignment_context): Set
15569 ALIAS_SET_MEMORY_BARRIER on the MEM.
15570 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15572 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15574 PR middle-end/25933
15575 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15577 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15580 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15582 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15583 * regrename.c: Ditto.
15584 * tree-ssa-loop-im.c: Ditto.
15585 * tree-dump.c: Ditto.
15586 * tree-complex.c: Ditto.
15587 * genrecog.c: Ditto.
15588 * tree-ssa-threadupdate.c: Ditto.
15590 * java/class.c: Ditto.
15591 * java/jcf-parse.c: Ditto.
15592 * java/resource.c: Ditto.
15593 * java/except.c: Ditto.
15594 * java/jvspec.c: Ditto.
15595 * java/jcf-write.c: Ditto.
15596 * java/jcf-path.c: Ditto.
15597 * java/gjavah.c: Ditto.
15598 * java/zextract.c: Ditto.
15599 * java/jcf-io.c: Ditto.
15600 * java/jcf.h: Ditto.
15601 * java/buffer.c: Ditto.
15602 * java/lang.c: Ditto.
15603 * java/parse-scan.y: Ditto.
15604 * java/lex.c: Ditto.
15605 * java/lex.h: Ditto.
15606 * cfgloopmanip.c: Ditto.
15607 * postreload-gcse.c: Ditto.
15608 * tree-ssa-loop-manip.c: Ditto.
15609 * postreload.c: Ditto.
15610 * tree-ssa-loop-ch.c: Ditto.
15613 * cppspec.c: Ditto.
15614 * diagnostic.c: Ditto.
15616 * genoutput.c: Ditto.
15618 * cfghooks.c: Ditto.
15619 * cfgloopanal.c: Ditto.
15620 * objc/objc-act.c: Ditto.
15622 * genextract.c: Ditto.
15623 * genautomata.c: Ditto.
15624 * pretty-print.c: Ditto.
15625 * genemit.c: Ditto.
15626 * cgraphunit.c: Ditto.
15628 * df-scan.c: Ditto.
15629 * haifa-sched.c: Ditto.
15630 * dominance.c: Ditto.
15632 * tree-ssa-loop-ivopts.c: Ditto.
15633 * df-core.c: Ditto.
15634 * mode-switching.c: Ditto.
15635 * modulo-sched.c: Ditto.
15637 * ipa-pure-const.c: Ditto.
15639 * fix-header.c: Ditto.
15641 * tree-stdarg.c: Ditto.
15642 * ipa-utils.c: Ditto.
15643 * loop-init.c: Ditto.
15644 * ipa-inline.c: Ditto.
15645 * cfganal.c: Ditto.
15647 * alloc-pool.c: Ditto.
15648 * dwarf2out.c: Ditto.
15650 * genattrtab.c: Ditto.
15651 * tree-ssa-loop-ivcanon.c: Ditto.
15652 * predict.c: Ditto.
15653 * timevar.c: Ditto.
15655 * fortran/gfortranspec.c: Ditto.
15656 * regmove.c: Ditto.
15657 * local-alloc.c: Ditto.
15658 * langhooks.c: Ditto.
15659 * function.c: Ditto.
15660 * tree-vectorizer.c: Ditto.
15662 * ipa-type-escape.c: Ditto.
15664 * tree-if-conv.c: Ditto.
15665 * profile.c: Ditto.
15667 * tree-data-ref.c: Ditto.
15668 * loop-unroll.c: Ditto.
15669 * treelang/treetree.c: Ditto.
15671 * bt-load.c: Ditto.
15672 * ggc-common.c: Ditto.
15674 * coverage.c: Ditto.
15676 * tree-cfgcleanup.c: Ditto.
15677 * tree-ssa-pre.c: Ditto.
15678 * cfgcleanup.c: Ditto.
15679 * loop-invariant.c: Ditto.
15680 * loop-iv.c: Ditto.
15681 * ipa-prop.c: Ditto.
15682 * print-tree.c: Ditto.
15683 * conflict.c: Ditto.
15684 * ggc-page.c: Ditto.
15685 * sched-deps.c: Ditto.
15686 * regclass.c: Ditto.
15687 * tree-object-size.c: Ditto.
15688 * combine.c: Ditto.
15689 * bb-reorder.c: Ditto.
15690 * resource.c: Ditto.
15691 * var-tracking.c: Ditto.
15692 * cfgloop.c: Ditto.
15693 * df-problems.c: Ditto.
15694 * reg-stack.c: Ditto.
15696 * gccspec.c: Ditto.
15697 * sched-rgn.c: Ditto.
15698 * tree-ssa-structalias.c: Ditto.
15699 * tree-ssa-reassoc.c: Ditto.
15700 * config/darwin-c.c: Ditto.
15701 * config/darwin.c: Ditto.
15702 * config/arm/arm.c: Ditto.
15704 * collect2.c: Ditto.
15705 * reload1.c: Ditto.
15707 2006-01-31 Nicolas Pitre <nico@cam.org>
15709 * arm.md (smaxsi3): Make aware of smax_m1.
15712 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15714 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15716 2006-01-31 Richard Guenther <rguenther@suse.de>
15718 * doc/invoke.texi (-msselibm): Document.
15719 * target.h (expand_library_builtin): New target hook.
15720 * builtins.c (expand_builtin): Use expand_library_builtin.
15721 (default_expand_library_builtin): New function.
15722 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15723 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15724 (link_gcc_math_spec): Declare.
15725 (static_specs): Add link_gcc_math_spec.
15726 * expr.h (default_expand_library_builtin): Declare.
15727 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15728 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15729 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15730 * config/i386/i386.opt (msselibm): New target option.
15731 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15732 (ix86_init_sse_abi_builtins): New function.
15733 (ix86_expand_library_builtin): Likewise.
15734 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15735 (override_options): Handle error conditions wrt -msselibm.
15736 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15737 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15738 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15741 2006-01-31 Richard Guenther <rguenther@suse.de>
15742 Paolo Bonzini <bonzini@gnu.org>
15744 * doc/install.texi (--disable-libgcc-math): Document.
15746 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15748 * expr.h (expand_normal): new inline function.
15749 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15750 * dojump.c: use it.
15751 * dwarf2out.c: use it.
15754 * expmed.c: use it.
15755 * except.c: use it.
15756 * config/sparc/sparc.c: use it.
15757 * config/i386/i386.c: use it.
15758 * config/rs6000/rs6000.c: use it.
15759 * config/arm/arm.c: use it.
15760 * config/mips/mips.c: use it.
15761 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15763 2006-01-30 Roger Sayle <roger@eyesopen.com>
15765 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15766 argv to the appropriate type.
15768 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15770 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15773 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15776 * config/s390/s390.c (struct machine_function): New flag
15777 decomposed_literal_pool_addresses_ok_p.
15778 (s390_reorg): Set it before final stage of literal pool transforms.
15779 (s390_decompose_address): Only accept displacements of the form
15780 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15782 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15784 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15785 the comparison routine return.
15787 2006-01-30 Michael Matz <matz@suse.de>
15789 * global.c (find_reg): Only evict for global regs.
15790 Take n_refs into account and dump more info.
15792 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15795 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15796 (pragma_trap, pragma_nosave_low_regs): Likewise.
15797 (current_function_anonymous_args): Likewise.
15798 (sh_deferred_function_attributes): New variable.
15799 (sh_deferred_function_attributes_tail): Likewise.
15800 (print_operand): For '@', look up trap_exit attribute.
15801 (calc_live_regs): Look up trapa_handler attribute. For trapa
15802 handlers, save/restore fpscr, but don't do any other
15803 interrupt-specific saves.
15804 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15805 Fix check for partially saved registers to check for SHmedia.
15806 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15807 (sh_output_function_epilogue): Don't clear any of the removed
15809 (sh_insert_attributes): Don't check pragma_interrupt.
15810 Insert deferred attributes. Check that interrupt attribute is
15811 present for other attributes that require its presence.
15812 (sh_attribute_table): Add new attributes trapa_handler and
15814 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15815 Don't check for pragma_interrupt. Don't store argument.
15816 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15817 (sh_deferred_function_attributes): Declare.
15818 (sh_deferred_function_attributes_tail): Likewise.
15819 * sh.md (sp_switch_1): Add operand. Change generator caller.
15820 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15821 (*return_i): Don't use when trap_exit attribute is in effect.
15822 (*return_trapa): New insn pattern.
15823 * sh-c.c: New file.
15824 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15825 setting c_target_objs and cxx_target_objs.
15826 * t-sh: Add rule for sh-c.o.
15828 2006-01-30 Richard Guenther <rguenther@suse.de>
15831 * gimplify.c (gimplify_target_expr): Handle easy cases
15832 without creating a temporary.
15834 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15836 * vec.h (safe_grow): Remove duplicated line.
15838 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15841 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15842 (expand_omp): ... here.
15843 (expand_omp_parallel): Only remove barriers for combined
15844 parallel+workshare constructs.
15846 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15850 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15851 * tree.c (build_qualified_type): Chain the new type to the original
15852 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15853 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15854 (build_pointer_type_for_mode): Only return unqualified types.
15855 (build_reference_type_for_mode): Likewise.
15857 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15859 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15860 * Makefile.in (CXX_COMPAT_WARN): Define.
15861 * configure: Regenerate.
15863 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15866 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15869 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15871 * toplev.c: Fix thinko.
15873 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15874 Marcin Dalecki <martin@dalecki.de>
15876 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15877 (push_srcloc): Use XNEW.
15878 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15880 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15882 * df-core.c (df_set_blocks): Deleted all variable.
15884 2006-01-28 Ian Lance Taylor <ian@airs.com>
15886 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15887 cgraph_output_pending_asms.
15889 2006-01-28 Zack Weinberg <zackw@panix.com>
15891 * c.opt: Add -W(no-)overlength-strings.
15892 * doc/invoke.texi: Document it.
15893 * c-opts.c (c_common_handle_option): -pedantic implies
15894 -Woverlength-strings, if not explicitly disabled already.
15895 (c_common_post_options): -Woverlength-strings defaults to off, and
15896 is always off for C++.
15897 * c-common.c (fix_string_type): Issue warning about strings longer
15898 than is portable only if warn_overlength_strings. Rearrange code
15899 a little for clarity.
15900 * configure.in: Check for -Wno-overlength-strings as well before
15901 enabling -pedantic in stage 1.
15902 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15903 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15905 * genconditions.c (write_header, write_one_condition)
15906 (write_conditions, write_writer): Consolidate very long strings
15907 that were broken up to fit in C89 portable limit. Don't use
15908 printf when fputs will do.
15910 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15912 * combine.c (simplify_comparison <AND>): Check
15913 TRULY_NOOP_TRUNCATION before start using a subreg.
15915 * config/mips/mips.md (*branch_zero<mode>,
15916 *branch_zero<mode>_inverted, *branch_equality<mode>,
15917 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15918 Remove mode check from comparisons.
15920 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15922 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15924 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15926 * expmed.c (const_mult_add_overflow_p): Remove.
15927 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15929 * recog.c (validate_replace_rtx_subexp): Remove.
15930 * recog.h: Remove the prototype for
15931 validate_replace_rtx_subexp.
15933 * integrate.h: Remove the prototype for
15934 copy_decl_for_inlining.
15935 * rtl.h: Remove the prototype for mark_constant_function.
15936 * tree-vectorizer.h: Remove the prototype for
15937 vect_strip_conversion.
15939 * modulo-sched.c (create_partial_schedule,
15940 free_partial_schedule, reset_partial_schedule): Make them
15943 * hooks.c (hook_bool_rtx_int_false): Remove.
15944 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15946 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15948 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15949 and -mlong-double-128 are incompatible.
15950 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15951 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15952 (TARGET_LIBGCC2_CFLAGS): Define.
15953 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15954 (TARGET_LIBGCC2_CFLAGS): Same.
15955 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15957 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15960 * c-typeck.c (build_binary_op): Perform implicit casts of
15961 operands before shortening them.
15963 * cfgloopmanip.c (split_loop_bb): Remove.
15964 * cfgloop.h: Remove the prototype for split_loop_bb.
15966 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15967 * cfgloop.h: Remove the prototype for
15968 flow_loop_outside_edge_p.
15970 * emit-rtl.c (init_virtual_regs): Make it static.
15971 * function.h: Remove the prototype for init_virtual_regs.
15973 * recog.c (peephole2_optimize): Make it static.
15974 * recog.h: Remove the prototype for peephole2_optimize.
15976 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15978 * df-scan.c (df_record_entry_block_defs): Check if
15979 INCOMING_RETURN_ADDR_RTX is defined.
15981 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15982 Kenneth Zadeck <zadeck@naturalbridge.com>
15984 PR rtl-optimization/24762
15985 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15986 * targhooks.c (hook_void_bitmap): New hook prototype.
15987 * targhoohs.h (hook_void_bitmap): Ditto.
15988 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15989 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15990 * target.h (live_on_entry): New function pointer.
15991 * df-scan.c (df_all_hard_regs): Removed.
15992 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15993 (df_scan_free_internal): Added df->entry_block_defs.
15994 (df_scan_alloc): Ditto.
15995 (df_scan_dump): Ditto.
15996 (df_uses_record): Plumbed flag field properly thru calls.
15997 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15998 This part fixes PR24762.
15999 (df_bb_refs_record): Added code to make the frame and arg
16000 pointers live in EH blocks.
16001 (df_refs_record): Added call to df_record_entry_block_defs.
16002 (df_record_entry_block_defs): New function.
16003 * df-core.c: Added comments to describe new artifical defs.
16004 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16005 (entry_block_defs): New field in struct df.
16006 (df_all_hard_regs): Deleted.
16007 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16008 * df-problems.c (df_ru_bb_local_compute_process_def):
16009 Added code to handle artifical defs in the entry to a function.
16010 (df_ru_bb_local_compute): Ditto.
16011 (df_rd_bb_local_compute_process_def): Ditto.
16012 (df_rd_bb_local_compute): Ditto.
16013 (df_lr_bb_local_compute): Ditto.
16014 (df_ur_bb_local_compute): Ditto.
16015 (df_urec_bb_local_compute): Ditto.
16016 (df_chain_create_bb): Ditto.
16017 (df_ur_local_finalize): Removed entry.
16018 (df_urec_init): Ditto.
16019 (df_urec_local_finalize): Ditto.
16020 (df_ri_bb_compute): Added detection of last use of pseudos.
16021 * Makefile.in (df-scan.o): Updated dependencies.
16022 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16023 * config/mips/mips.c (mips_set_live_on_entry): Added.
16024 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16026 * dce.c (marked_insn_p): Added code to handle artifical defs.
16028 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16030 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16032 (_mm_cvtsi128_si64): Likewise.
16033 (_mm_cvtsd_si64): Likewise.
16034 (_mm_cvttsd_si64): Likewise.
16035 (_mm_cvtsi64_sd): Likewise.
16036 (_mm_cvtsi64_si128): Likewise.
16037 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16038 (_mm_cvtsi64_m64): Likewise.
16039 (_m_to_int64): Likewise.
16040 (_mm_cvtm64_si64): Likewise.
16041 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16042 (_mm_cvttss_si64): Likewise.
16043 (_mm_cvtsi64_ss): Likewise.
16044 (_mm_cvtss_f32): Likewise.
16046 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16048 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16049 for pragma redefine_extname.
16051 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16054 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16055 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16056 -mno-minimal-toc to previous content.
16057 (bispecs): Remove goal.
16058 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16059 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16060 compatibility aliases on powerpc-*-*gnu*.
16061 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16062 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16063 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16064 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16065 (ldblspecs): New goal.
16066 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16067 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16069 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16070 L_sf_to_tf or L_df_to_tf is defined.
16072 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16073 Alan Modra <amodra@bigpond.net.au>
16076 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16077 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16078 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16079 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16080 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16081 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16082 (rs6000_override_options): Initialize rs6000_ieeequad.
16083 Initialize TFmode format to ibm_extended_format if not
16085 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16087 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16088 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16089 (function_arg_advance): IBM long double passed in two FPRs, not
16091 (function_arg): IBM long double passed in FPRs.
16092 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16093 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16094 Only multireg GPR aligned.
16095 (rs6000_init_libfuncs): Enable IBM long double functions if not
16097 (rs6000_generate_compare): Use IBM long double compare if not
16099 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16100 (TARGET_IEEEQUAD): Define.
16101 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16102 not TARGET_IEEEQUAD.
16103 * config/rs6000/rs6000.md: Enable TFmode patterns if
16105 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16106 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16107 and -mlong-double-128 are incompatible.
16108 * doc/invoke.texi (-mabi): Collect options together. Add
16109 ibmlongdouble and ieeelongdouble.
16111 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16113 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16115 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16116 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16117 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16118 * rtl.h (rtunion_def): Remove rt_ptr.
16120 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16121 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16122 * config/i386/winnt.c (i386_pe_mark_dllexport)
16123 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16125 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16127 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16129 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16133 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16134 pthread_key_delete. From John David Anglin. gthrw-ify
16135 pthread_getunique_np only if it it's not a macro. Delete
16137 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16138 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16139 __gthread_objc_condition_signal, __gthread_key_delete): Add
16140 "__attribute__ ((__unused__))" to unused arguments.
16141 (__gthread_recursive_mutex_init_function): Add missing return.
16142 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16143 gthr-posix95.h: Use macro-based approach for name redirection
16144 on targets missing weakref.
16146 2006-01-26 Zack Weinberg <zackw@panix.com>
16148 * genconditions.c (write_header): In generated code, #ifdef out
16149 all includes and fake declarations, except includes of bconfig.h
16150 and system.h, unless GCC_VERSION >= 3001. Do not include
16151 gensupport.h in any case.
16152 (write_conditions): Generate a definition of struct c_test. Add
16153 a comment to the generated #endif.
16154 (write_one_condition): Escape backslashes in string too.
16155 (write_writer): Generated code must escape backslashes and quote
16156 marks (but not newlines) in the strings it writes.
16157 * Makefile.in (build/gencondmd.o): Update dependencies.
16159 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16162 * Makefile.in (insn-automata.o): Add header file dependencies.
16163 * genautomata.c: Add includes.
16165 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16168 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16170 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16172 * configure.ac: Expect target tools paths to be passed from the toplevel
16173 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16175 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16177 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16180 * c.opt (Wpointer-sign): Init to -1.
16181 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16182 OPT_pedantic, to 0 otherwise.
16183 * doc/invoke.texi: Update.
16185 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16187 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16188 constants provided by 80387 instructions in the destination mode.
16190 2006-01-26 Richard Guenther <rguenther@suse.de>
16191 Andrew Pinski <pinskia@physics.uc.edu>
16194 partial PR tree-opt/17064
16195 * tree-ssa-structalias.c (intra_create_variable_infos):
16196 Create heap variables for incoming parameters if
16197 flag_argument_noalias > 1.
16198 (find_what_p_points_to): Look through default defs of
16201 2006-01-26 Jeff Law <law@redhat.com>
16204 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16205 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16206 within the VR_RANGE, use the VR_RANGE as the result, not the
16208 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16209 bounds for the type.
16211 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16213 * tree-ssa-alias.c (maybe_create_global_var): Change
16214 subvar walking to an assertion that we don't have subvar'd variables.
16216 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16219 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16220 Use a new variable, inner. PARM_DECLs are always non-weak.
16222 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16224 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16225 --disable-checking.
16227 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16229 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16231 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16233 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16234 (smax_insn, smin_insn, smax_0, smin_0): New.
16236 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16239 * config/cris/cris.c (cris_order_for_addsi3): New function.
16240 * config/cris/cris-protos.h: Prototype it.
16241 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16242 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16243 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16244 (split for "op.S1 [rx=rx+i],ry (swapped)")
16245 (split for "op(s|u).S1 [rx=rx+i],ry")
16246 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16247 Apply cris_order_for_addsi3 when generating addsi3 insns.
16249 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16251 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16252 (TREE_BLOCK): Add call to EXPR_CHECK.
16254 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16257 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16258 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16259 (dump_omp_clauses): ... here.
16260 (dump_generic_node): Handle OMP_CLAUSE.
16261 * tree.c (omp_clause_num_ops): New.
16262 (omp_clause_code_name): New.
16263 (tree_code_size): Handle OMP_CLAUSE.
16264 (tree_size): Likewise.
16265 (make_node): Document handling of OMP_CLAUSE.
16266 (tree_node_structure): Handle OMP_CLAUSE.
16267 (omp_clause_check_failed): New.
16268 (omp_clause_range_check_failed): New.
16269 (omp_clause_operand_check_failed): New.
16270 (build_omp_clause): New.
16271 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16272 * tree.h (enum omp_clause_code): Declare.
16273 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16274 (OMP_CLAUSE_RANGE_CHECK): Define.
16275 (OMP_CLAUSE_ELT_CHECK): Define.
16276 (omp_clause_check_failed): Declare.
16277 (omp_clause_operand_check_failed): Declare.
16278 (omp_clause_range_check_failed): Declare.
16279 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16280 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16281 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16282 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16283 (OMP_CLAUSE_IF_EXPR): Likewise.
16284 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16285 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16286 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16287 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16288 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16289 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16290 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16291 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16292 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16293 (OMP_CLAUSE_CODE): Define.
16294 (OMP_CLAUSE_SET_CODE): Define.
16295 (OMP_CLAUSE_CODE): Define.
16296 (OMP_CLAUSE_OPERAND): Define.
16297 (struct tree_omp_clause): Declare.
16298 (union tree_node): Add field 'omp_clause'.
16299 * treestruct.def (TS_OMP_CLAUSE): Define.
16300 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16301 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16302 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16303 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16304 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16305 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16306 (OMP_CLAUSE): Define.
16307 * print-tree.c (print_node): Handle OMP_CLAUSE.
16308 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16309 * c-typeck.c: Likewise.
16310 * gimplify.c: Likewise.
16311 * c-omp.c: Likewise.
16312 * tree-nested.c: Likewise.
16313 * tree-inline.c: Likewise.
16314 * c-parser.c: Likewise.
16315 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16318 2006-01-25 Roger Sayle <roger@eyesopen.com>
16320 PR rtl-optimization/25703
16321 * combine.c (try_combine): Handle zero_extract and strict_low_part
16322 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16324 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16326 * global.c: Fix comment typos.
16328 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16331 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16332 Use output_addr_const instead of assemble_name.
16334 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16336 * Makefile.in (sched-vis.o): Update dependencies.
16337 * haifa-sched.c (sched_finish): Clear current_sched_info.
16338 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16339 (dump_flow_info): Call it.
16340 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16342 * basic-block.h (dump_bb_info): Declare.
16343 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16344 option, and apply options only for dump files whose TDF_RTL,
16345 TDF_TREE, or TDF_IPA bits match.
16346 * rtl.h: Declare new functions exported from sched-vis.c.
16347 * sched-vis.c: Enable also if scheduling is not used.
16348 (print_value): Print the mode of registers if not inside scheduling.
16349 (print_insn): Make it work outside the scheduler. Beautify the output
16351 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16353 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16355 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16356 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16357 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16358 depending on the value of CONSTANT_POOL_ADDRESS_P.
16359 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16361 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16362 rather than SYMBOL_REF_DECL.
16363 (rtx_constant_pool): Remove const_rtx_sym_htab.
16364 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16365 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16366 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16367 Remove handling of const_rtx_sym_htab.
16368 (find_pool_constant): Delete.
16369 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16370 rather than find_pool_constant.
16371 (get_pool_constant_for_function): Delete.
16372 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16373 find_pool_constant.
16374 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16375 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16376 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16377 (SYMBOL_REF_CONSTANT): New macro.
16378 (get_pool_constant_for_function): Delete.
16379 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16380 rather than SYMBOL_REF_DECL.
16381 (i386_pe_mark_dllimport): Likewise.
16382 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16383 rather than SYMBOL_REF_DECL.
16384 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16385 (machopic_indirect_call_target): Likewise.
16387 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16389 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16391 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16393 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16395 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16397 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16399 2006-01-24 David Daney <ddaney@avtrex.com>
16402 * configure.ac (enable_tls): New enable option.
16403 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16404 * configure: Regenerate.
16405 * doc/install.texi (--enable-tls): Document new option.
16406 (--disable-tls): Ditto.
16408 2006-01-24 Richard Henderson <rth@redehat.com>
16410 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16411 * alias.c (true_dependence): Respect it.
16412 (canon_true_dependence, write_dependence_p): Likewise.
16413 * builtins.c (get_builtin_sync_mem): Set it.
16415 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16417 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16420 2006-01-24 DJ Delorie <dj@redhat.com>
16422 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16423 for storing constants in single-bit bitfields.
16425 2006-01-25 Ben Elliston <bje@au.ibm.com>
16427 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16429 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16432 * tree-ssa-pre.c (phi_translate): Return NULL
16433 for AGGREGATE_TYPE's.
16435 2006-01-24 Zack Weinberg <zackw@panix.com>
16437 * genautomata.c (process_state_for_insn_equiv_partition):
16438 Use xcalloc for insn_arcs_array.
16439 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16440 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16442 2006-01-24 Richard Henderson <rth@redhat.com>
16444 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16445 update all callers.
16447 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16449 PR rtl-optimization/25890
16450 PR rtl-optimization/25905
16451 * combine.c (expand_compound_operation, expand_field_assignment):
16452 Fail if the bitfield's final position is out of bounds.
16454 2006-01-24 Ian Lance Taylor <ian@airs.com>
16456 PR middle-end/25930
16457 * cgraphunit.c (cgraph_output_in_order): Don't clear
16458 cgraph_asm_nodes until after asm strings have been output.
16460 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16462 * fix-header.c (read_scan_file): Add new parameter imultilib when
16463 calling register_include_chains.
16465 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16467 * omp-low.c: Update documentation.
16469 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16470 Daniel Berlin <dberlin@dberlin.org>
16474 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16475 return from the function.
16477 2006-01-22 Zack Weinberg <zackw@panix.com>
16479 * rtl.def (match_code): Add second argument.
16480 * genpreds.c (write_extract_subexp): New function.
16481 (write_match_code): Add path argument. Use write_extract_subexp.
16482 (write_predicate_expr): Pass path to write_match_code.
16483 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16484 not perform a mode test.
16485 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16486 a subexpression does not constrain the top-level code set.
16487 * read-rtl.c (read_rtx_variadic): New function.
16488 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16489 * doc/md.texi: Document new notation.
16490 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16491 (cmpsi_operand): ... here, using new notation.
16493 2006-01-22 Zack Weinberg <zackw@panix.com>
16495 * varray.c: Remove GENERATOR_FILE #ifdefs.
16497 2006-01-22 Zack Weinberg <zackw@panix.com>
16499 * genautomata.c (output_reserved_units_table): Emit nothing if
16500 description->query_units_num is zero. Remove extra blank line.
16501 (output_cpu_unit_reservation_p): Short circuit
16502 if description->query_units_num is zero.
16504 2006-01-22 Zack Weinberg <zackw@panix.com>
16506 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16507 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16508 nor any of the random handful of variables that used to be necessary
16509 when this program was linked with rtlanal.o. Prune set of forward
16510 function declarations.
16511 (struct attr_desc): Remove static_p field.
16512 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16513 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16514 (attr_string): Do not read the character one past the length of
16516 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16517 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16518 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16519 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16520 (make_automaton_attrs): New.
16521 (main): Do not call into genautomata. Call local gen_bypass
16522 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16523 Remove special case for insn_alts.
16524 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16525 varray.h (leftover from previous change). Prune set of forward
16526 function declarations. Remove state_alts fields from all
16527 structures. Remove state_alts_table from struct automaton.
16528 Make everything except main static. Do not maintain num_dfa_decls.
16529 Do not maintain state_alts fields of various structures.
16530 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16531 (add_arc): Remove state_alts argument. All callers updated.
16532 (output_reserved_units_table): Emit #ifdef here...
16533 (output_tables): ...not here. Don't generate state_alts tables.
16534 (expand_automata): Don't generate attributes.
16535 (write_automata): Don't generate state_alts functions.
16536 (main): New function.
16537 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16538 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16539 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16540 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16541 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16542 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16543 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16544 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16546 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16547 * genattrtab.h: Delete file.
16548 * Makefile.in (OBJS-common): Add insn-automata.o.
16549 (insn-automata.o): New rule.
16550 (simple_generated_c): Add insn-automata.c.
16551 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16552 (genprogmd): Add automata.
16553 (build/genattrtab): Needs no extra objects nor libraries.
16554 (build/genautomata): Needs build/vec.o and -lm.
16556 2006-01-22 Zack Weinberg <zackw@panix.com>
16558 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16559 (output_dfa_max_issue_rate, locked_states_num): Delete.
16560 (struct automaton): Add locked_states field.
16561 (output_dead_lock_vect): Save number of locked states in
16562 automaton->locked_states. If it is zero, don't print anything.
16563 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16564 (output_internal_dead_lock_func): Only test the dead_lock_vect
16565 for automata that have locked states.
16566 (output_statistics): Always print the number of locked states for
16567 each automaton. Calculate total number of locked states here.
16568 (write_automata): Don't call output_dfa_max_issue_rate.
16569 * genattrtab.c: Define length_unit_log as a const variable.
16570 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16571 max_insn_queue_index const.
16572 * final.c (length_unit_log): Declare const.
16573 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16575 2006-01-22 Zack Weinberg <zackw@panix.com>
16577 * genautomata.c: Include vec.h, not varray.h.
16578 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16579 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16580 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16581 VEC_* macros operating on appropriately typed vectors, or to
16582 malloced arrays when the size is known in advance. Const-ify
16583 many char* variables and function arguments. No functional changes.
16584 * Makefile.in (build/varray.o): Delete rule.
16585 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16586 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16588 2006-01-22 Zack Weinberg <zackw@panix.com>
16590 * gensupport.c: Define get_insn_name and record_insn_name here.
16591 (read_md_rtx): Call record_insn_name as appropriate.
16592 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16593 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16594 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16596 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16597 (BUILD_VARRAY): Delete.
16598 (genprognormal): Rename genprogmd. Fold in all programs from
16599 genprognoprint; also attrtab.
16600 (build/genattrtab): Just mention genautomata.o and varray.o.
16601 Reorganize a bit, add comments to make the categories clearer.
16603 2006-01-22 Zack Weinberg <zackw@panix.com>
16605 * genconditions.c (condition_table, add_condition): Delete.
16606 (write_conditions): Don't emit n_insn_conditions nor
16607 insn_elision_unavailable. Issue the gcc version #ifdef here,
16608 inside the table, with no #else clause ...
16609 (write_header): ...not here.
16610 (write_writer): New function.
16611 (main): Don't initialize condition_table. Use add_c_test.
16613 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16614 files on the command line.
16615 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16616 Return -1 if there is no entry in the table, don't abort.
16617 (add_c_test, traverse_c_tests): New functions.
16618 * gensupport.h (insn_elision_unavailable, insn_conditions)
16619 (n_insn_conditions): Delete declarations.
16620 (add_c_test, traverse_c_tests): Declare.
16621 * read-rtl.c: Include gensupport.h.
16622 (read_conditions): New function.
16623 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16624 (read_rtx_1): If we get EOF when we were looking for an initial
16625 open paren, return 0. Call read_conditions when appropriate.
16626 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16627 dummy-conditions.o. Eliminate references to insn-conditions.o,
16628 or change them to build/gencondmd.o, as appropriate. Remove
16629 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16630 from $(simple_generated_c). For all files remaining in those
16631 two lists, add insn-conditions.md to the generator command line.
16632 Give insn-constants.h/s-constants their own rules. Add rules
16633 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16634 (build/read-rtl.o): Depend on gensupport.h.
16635 (genprognormal): Include preds.
16636 (genprogearly): Rename genprognoprint; only difference is now that
16637 they don't link with $(BUILD_PRINT).
16638 * dummy-conditions.c: Delete.
16640 2006-01-22 Zack Weinberg <zackw@panix.com>
16642 * genextract.c: Don't include insn-config.h. Do include vec.h.
16643 Declare vectors of int, char, and locstr.
16644 (locstr): New typedef.
16645 (struct extraction): Make all array fields into bare pointers.
16646 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16647 (insn_code_number): Delete.
16648 (accum_extract): New struct.
16649 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16650 (gen_insn): Take insn_code_number as an argument. Use an
16651 accum_extract structure instead of loading data directly into
16652 a struct extraction, and having to know how big it might get.
16653 (walk_rtx): Operate entirely on an accum_extract structure.
16654 (print_path): Avoid unnecessary use of printf.
16655 (print_header): New function, split out of main. Distinguish
16656 more carefully between an unrecognizable insn and an insn that
16657 has the code number of a define_expand.
16658 (main): Pass insn_code_number to gen_insn. Call print_header
16659 only after parsing. Avoid unnecessary use of printf.
16660 * Makefile.in (build/vec.o): New rule.
16661 (build/genextract): Depend on build/vec.o.
16662 (build/genextract.o): Don't depend on insn-config.h.
16664 2006-01-22 Zack Weinberg <zackw@panix.com>
16666 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16667 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16668 practical. Eliminate per-generator-program link rules.
16670 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16672 PR middle-end/24437
16673 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16674 with a call expr to ...
16675 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16677 2006-01-23 Richard Guenther <rguenther@suse.de>
16679 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16680 before make_edge with conditional EDGE_TRUE_VALUE.
16682 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16683 Jan Hubicka <jh@suse.cz>
16684 Richard Guenther <rguenther@suse.de>
16686 PR rtl-optimization/25654
16687 * cfgexpand.c (aggregate_contains_union_type): New function.
16688 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16689 for structure variables that contain a union type.
16691 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16693 * gengtype.c (new_structure): Return the structure.
16694 (create_option): Add an extra "next" argument.
16695 (create_field): New function.
16696 (adjust_field_rtx_def): Use create_option and create_field.
16697 Remove a now-unnecessary call to find_structure.
16698 (adjust_field_tree_def): Likewise.
16699 (note_yacc_type): Remove an unnecessary call to find_structure.
16700 * gengtype.h (new_structure): Return the structure.
16701 (create_option): Add an extra argument.
16702 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16703 (option): Adjust calls to create_option.
16705 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16707 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16709 2006-01-22 Paul Brook <paul@codesourcery.com>
16710 Peter Barada <peter@the-baradas.com>
16712 * config/m68k/m68k.md: Add Coldfire FPU support.
16713 Define FP mode macro and associated attributes.
16714 Use it for float mode patterns.
16715 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16716 (LIBCALL_VALUE): Use m68k_libcall_value.
16717 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16718 (m68k_function_value): Ditto.
16719 (emit_move_sequence): Ditto.
16720 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16721 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16722 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16723 (MULTILIB_EXCEPTIONS): Ditto.
16724 * config/m68k/m68k.opt: Add mcfv4e.
16725 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16726 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16727 (m68k_output_function_prologue): Save ColdFire FPU registers.
16728 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16729 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16730 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16731 ColdFire FPU registers.
16732 (m68k_libcall_value, m68k_function_value): New functions.
16733 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16734 (LIBCALL_VALUE): Use m68k_libcall_value.
16735 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16736 (MASK_COLDFIRE): Add MASK_CFV4E.
16737 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16738 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16739 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16740 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16741 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16742 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16743 * doc/invoke.tex: Document -mcfv4e on m68k.
16745 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16747 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16750 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16753 * c-opts.c (c_common_handle_option): Don't include
16754 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16755 * doc/invoke.texi (C++ Dialect Options): Document that
16756 -Wnon-virtual-dtor is no longer included in -Wall.
16758 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16760 * gcov.c (print_version), gcov-dump.c (print_version),
16761 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16764 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16766 * df-scan.c (problem_SCAN): Added NULL reset function.
16767 (df_scan_reset_blocks): Added code to call reset block function
16768 (df_bb_refs_delete) Fixed comment.
16769 (df_insn_refs_delete): Made tolerant of deleting non existent info
16770 for dataflow problems that need to be reset.
16771 * df-core.c (df_set_blocks): Ditto.
16772 * df.h (struct df_problem): Added reset_fun.
16773 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16774 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16775 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16776 functions to clear out all references to def-use or use-def chains.
16778 2006-01-21 Ben Elliston <bje@au.ibm.com>
16780 * varasm.c (assemble_real): Initialise data array.
16782 2006-01-20 Paul Brook <paul@codesourcery.com>
16784 Merge from csl-arm-branch.
16785 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16786 * config/arm/arm.md (movdi): Force operands[1] to a register
16787 if we have a non-register source.
16788 (*arm_movdi, *movdf_soft_insn): Require that one of the
16789 operands be a register.
16790 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16791 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16793 2006-01-20 DJ Delorie <dj@redhat.com>
16795 * varasm.c (initializer_constant_valid_p): Allow pointers
16796 initialized from integer constants of lesser precision.
16797 (output_constant): Allow non-int-sized pointer modes to be
16798 initialized from integer constants.
16800 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16803 * cppdefault.h (struct default_include): Add multilib flag.
16804 * cppdefault.c (cpp_include_defaults): Set it.
16805 * c.opt (-imultilib): New option.
16806 * c-opts.c (imultilib): New.
16807 (c_common_handle_option): Handle -imultilib.
16808 (c_common_post_options): Likewise.
16809 * c-incpath.c (add_standard_paths, register_include_chains):
16811 * c-incpath.h (register_include_chains): Add extra parameter.
16812 * gcc.c (do_spec_1): Generate -imultilib option.
16813 (The Specs Language): Update %I description.
16814 (process_command): Update copyright notice.
16815 * doc/cppopts.texi (-imultilib): Document.
16816 * doc/invoke.texi (-imultilib): Include in option summary.
16817 (%I): Update specs documentation.
16819 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16821 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16823 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16825 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16828 2006-01-20 Richard Guenther <rguenther@suse.de>
16829 Steven Bosscher <stevenb.gcc@gmail.com>
16831 PR rtl-optimization/24626
16832 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16833 EDGE_TRUE_VALUE if in RTL mode.
16836 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16837 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16839 2006-01-20 Dirk Mueller <dmueller@suse.com>
16842 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16843 instead of a special NOP marker.
16844 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16845 NOP marker handling.
16846 * c-common.h (empty_body_warning): Add forward declaration.
16847 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16848 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16850 2006-01-20 Paul Brook <paul@codesourcery.com>
16852 * Makefile.in (lang_checks): Keep going if mkdir fails.
16854 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16856 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16857 be able to clean out basic block when not necessary.
16858 (df_scan_free): Fixed to properly delete information if df is
16859 unused before calling df_finish.
16860 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16861 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16863 (df_bb_refs_delete): New function.
16864 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16865 * df-core.c (df_set_blocks): Added code to properly clean out
16866 unused blocks if they are not part of the blocks to consider.
16867 Added additional null check.
16868 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16869 be able to clean out basic block when not necessary
16870 * df.h (df_free_bb_function): Ditto.
16871 (df_bb_refs_delete): New function.
16872 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16873 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16874 basic block parameter to be able to clean out basic block when not
16876 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16877 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16878 Fixed to properly delete information if df is unused before
16881 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16883 PR rtl-optimization/25799
16884 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16885 Corrected confluence operator to remove bits from op2 before oring
16886 with op1 rather than removing bits from op1.
16887 (df_ru_transfer_function): Corrected test on wrong bitmap which
16888 caused infinite loop. Both of these problems were introduced in
16889 the dataflow rewrite.
16891 2006-01-19 DJ Delorie <dj@redhat.com>
16893 * reload1.c (find_reload_regs): Note the details of reload
16894 failures in the dump file.
16895 (spill_failure): Likewise.
16897 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16899 * loop-iv.c: Include df.h and hashtab.h.
16900 (enum iv_grd_result): New enum.
16901 (DF_REF_IV, DF_REF_IV_SET): New macros.
16902 (struct biv_entry): New.
16903 (df, bivs): New global variables.
16904 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16905 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16907 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16908 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16909 analyzed_for_bivness_p, record_biv): New functions.
16910 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16911 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16912 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16914 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16916 (iv_number_of_iterations): Use new interface to iv analysis.
16917 * loop-unroll.c: Do not include varray.h.
16918 (analyze_iv_to_split_insn): Use new interface to iv
16920 * loop-unswitch.c (may_unswitch_on): Ditto.
16921 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16923 (df_bb_modify): Realloc tables to the new index.
16924 (df_find_use): New function.
16925 * df.h (df_find_use): Declare.
16926 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16928 * cfgloop.h (struct rtx_iv): Remove analysed field.
16929 (iv_get_reaching_def): Removed.
16930 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16931 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16932 (loop-iv.o): Add df.h and hashtab.h dependency.
16933 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16935 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16938 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16940 (__floatundisf, __floatundidf): Likewise.
16941 * libgcc2.h (IS_IBM_EXTENDED): Define.
16943 2006-01-19 DJ Delorie <dj@redhat.com>
16945 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16947 2006-01-19 Paul Brook <paul@codesourcery.com>
16949 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16950 as nothrow when unwinding tables are disabled.
16952 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16955 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16956 of bit-field" when in system header.
16958 2006-01-19 DJ Delorie <dj@redhat.com>
16960 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16961 the 16 bit shift limit of the m16c.
16963 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16966 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16967 * config/i386/i386.c (output_set_got): Output the label if we have one
16968 for the TARGET_DEEP_BRANCH_PREDICTION case.
16970 2006-01-19 Jan Hubicka <jh@suse.cz>
16971 H.J. Lu <hongjiu.lu@intel.com>
16972 Evandro Menezes <evandro.menezes@amd.com>
16974 * invoke.texi (generic): Document
16976 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16977 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16978 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16979 (x86_use_incdec, x86_pad_returns): New variables
16980 (TARGET_CPU_DEFAULT_generic): New constant
16981 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16982 (enum processor_type): Add generic32 and generic64.
16983 * i386.md (cpu attribute): Add generic32/generic64
16984 (movhi splitter): Behave sanely when both partial_reg_dependency and
16985 partial_reg_stall are set.
16986 (K8 splitters): Enable for generic as well.
16987 * predicates.md (incdec_operand): Use TARGET_INCDEC
16988 (aligned_operand): Avoid memory mismatch stalls.
16989 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16990 * ppro.md: Enable for generic32
16991 * i386.c (generic64_cost, generic32_cost): New.
16992 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16993 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16994 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16995 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16996 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16997 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16998 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16999 x86_accumulate_outgoing_args, x86_prologue_using_move,
17000 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17001 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17002 Enable for generic.
17003 (x86_use_incdec, x86_pad_returns): New.
17004 (override_options): Add generic32 and generic64, translate "generic"
17005 to generic32/generic64 and "i686" to "generic32", refuse
17006 "generic32"/"generic64" as arch target.
17007 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17008 (ix86_reorg): Honor PAD_RETURNS.
17010 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17012 * tree-pretty-print.c (dump_generic_node): Handle
17013 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17014 * cgraph.c (cgraph_expand_queue): Rename from
17015 cgraph_analyze_queue. Update all users.
17016 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17017 cgraph_expand_queue.
17018 (cgraph_expand_all_functions): Likewise.
17019 (cgraph_finalize_pending_functions): Remove. Update callers.
17021 * tree.h (OMP_DIRECTIVE_P): Define.
17022 (OMP_PARALLEL_FN): Define.
17023 (OMP_PARALLEL_DATA_ARG): Define.
17024 (OMP_SECTIONS_SECTIONS): Define.
17025 * tree-pass.h (pass_expand_omp): Declare.
17026 * omp-low.c (struct omp_region): Declare.
17027 (struct omp_context): Remove fields 'parallel_type',
17028 'parallel_start_ix' and 'parallel_start_additional_args'.
17030 (struct omp_for_data): Rename from struct expand_omp_for_data.
17031 (omp_regions): New static variable.
17032 (root_omp_region): New static variable.
17033 (find_omp_clause): Make static.
17034 (is_in_combined_parallel_ctx): Remove.
17035 (is_combined_parallel): New.
17036 (extract_omp_for_data): Move earlier in the file.
17037 (workshare_safe_to_combine_p): New.
17038 (get_ws_args_for): New.
17039 (determine_parallel_type): Move earlier in the file.
17040 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17042 (omp_copy_decl): Likewise.
17043 (create_omp_child_function): Likewise.
17044 (lookup_omp_region): New.
17045 (dump_omp_region): New.
17046 (debug_omp_region): New.
17047 (debug_all_omp_regions): New.
17048 (new_omp_region): New.
17049 (scan_omp_parallel): If parallel_nesting_level > 1, the
17050 directive is nested within another parallel directive.
17051 Set OMP_PARALLEL_FN.
17052 (scan_omp_for): Do not try to handle combined parallel+for
17054 Remove FIXME comment.
17055 (scan_omp_nested): Remove.
17056 (scan_omp_1): Do not call scan_omp_nested when
17057 parallel_nesting_level is > 1.
17058 Do not change the DECL_CONTEXT of local variables found.
17059 (lookup_decl_in_outer_ctx): New.
17060 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17061 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17062 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17063 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17064 If CTX is nested, lookup VAR in the outer context when
17065 building copy assignment.
17066 (lower_send_clauses): Rename from expand_send_clauses.
17067 If CTX is nested, lookup VAR in the outer context when
17068 building copy assignments.
17069 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17070 If CTX is nested, lookup VAR in the outer context when
17071 building copy assignments.
17072 (expand_parallel_call): Rename from build_parallel_call.
17073 Handle combined parallel+workshare cases.
17074 Re-implement to emit code into the CFG.
17076 (expand_omp_parallel): Re-implement to emit code into the CFG.
17077 Call move_sese_region_to_fn to outline the sub-graph
17078 containing the parallel region.
17079 (expand_omp_for_1): Remove.
17080 (expand_omp_for_generic): Re-implement to emit code into the
17082 (expand_omp_for_static_nochunk): Likewise.
17083 (expand_omp_for_static_chunk): Likewise.
17084 (expand_omp_for): Likewise.
17085 (expand_omp_sections): Likewise.
17086 (remove_exit_barriers): New.
17087 (expand_omp_synch): New.
17089 (build_omp_regions_1): New.
17090 (build_omp_regions): New.
17091 (execute_expand_omp): New.
17092 (gate_expand_omp): New.
17093 (pass_expand_omp): Define.
17094 (lower_omp_sections): Rename from expand_omp_sections.
17095 Set OMP_SECTIONS_SECTIONS.
17096 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17097 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17098 (lower_omp_single): Rename from expand_omp_simple.
17099 (lower_omp_master): Rename from expand_omp_master.
17100 (lower_omp_ordered): Rename from expand_omp_ordered.
17101 (lower_omp_critical): Rename from expand_omp_critical.
17102 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17103 (lower_omp_for): Re-implement.
17104 (lower_omp_parallel): Re-implement.
17105 (lower_regimplify): Rename from expand_regimplify.
17106 (lower_omp_1): Rename from expand_omp_1.
17107 If there are syntax errors in the program, replace every
17108 OpenMP directive with NOP.
17109 Call lower_omp_* instead of expand_omp_*.
17110 (lower_omp): Rename from expand_omp.
17112 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17113 * tree-gimple.h (enum omp_parallel_type): Remove.
17114 (gimple_boolify): Declare extern.
17115 (find_omp_clause, determine_parallel_type): Remove.
17117 * gimple-low.c (lower_omp_directive): New.
17118 (lower_stmt): Call it.
17119 (record_vars_into): Move from ...
17120 (record_vars): ... here.
17121 Call record_vars_into with current_function_decl.
17123 * gimplify.c (struct gimplify_ctx): Remove fields
17124 combined_pre_p and combined_ctxp. Update users.
17125 (get_formal_tmp_var): Add documentation.
17126 (gimple_boolify): Make extern.
17127 (gimplify_expr_in_ctx): Remove. Update callers.
17128 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17129 will always be a BIND_EXPR.
17130 (gimplify_expr): Handle OMP_RETURN_EXPR.
17131 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17132 (OMP_PARALLEL): Add 3 operands.
17133 (OMP_SECTIONS): Add 1 operand.
17134 (OMP_RETURN_EXPR): Define.
17136 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17137 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17138 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17139 creating a circular free list.
17140 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17142 * tree-flow.h (move_sese_region_to_fn): Declare.
17143 (record_vars_into): Declare.
17144 * tree-cfg.c (make_omp_sections_edges): New.
17145 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17146 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17147 OMP_SECTIONS and OMP_SECTION.
17148 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17149 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17150 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17151 (gather_blocks_in_sese_region): New.
17152 (struct move_stmt_d): Declare.
17153 (move_stmt_r): New.
17154 (move_block_to_fn): New.
17155 (move_sese_region_to_fn): New.
17157 * passes.c (init_optimization_passes): Schedule
17158 pass_expand_omp after pass_init_datastructures.
17160 * tree-ssa-operands.c (get_expr_operands): Handle
17161 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17162 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17164 2006-01-19 Jeff Law <law@redhat.com>
17166 * tree-vrp.c (extract_range_from_assert): Refine the result range
17167 if the variable referenced by the ASSERT_EXPR has a range and
17168 either the tentative result range or the previous range is a
17171 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17173 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17175 2006-01-19 Jan Hubicka <jh@suse.cz>
17177 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17179 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17181 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17182 (expand_compound_operation, expand_field_assignment): Fail if the
17183 bit lengths of an extract operation are out of range.
17184 (make_extraction): Compute wanted_inner_mode based on the position
17185 and length of the extraction. Make it extraction_mode for non-constant
17186 positions, and do not modify offset in that case. When generating a
17187 new MEM, use a mode that can hold the extraction while keeping correct
17188 alignment. Remove code that supported MEMs wrapped by USEs.
17189 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17191 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17193 * config/s390/s390.md ("Y", "y"): New mode attribute.
17194 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17195 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17196 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17197 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17198 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17199 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17200 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17201 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17202 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17203 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17204 "addsi3", "subsi3"): Insn patterns removed.
17205 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17206 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17207 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17208 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17209 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17210 "*sub<mode>3_cconly2"): New insn patterns.
17211 ("addsi3", "subsi3"): New expanders.
17213 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17215 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17216 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17217 existing STMT_VINFO_VECTYPE if available.
17218 (vect_mark_relevant): Add special handling for stmts that are
17219 marked as STMT_VINFO_IN_PATTERN_P.
17220 (vect_analyze_loop): Call vect_pattern_recog.
17221 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17222 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17224 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17225 (vect_recog_func_ptr): New function-pointer type.
17226 * tree-vect-patterns.c: New file.
17227 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17228 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17229 (vect_pattern_recog_1): New functions.
17230 (vect_pattern_recog_funcs): New array of function pointers.
17232 * tree-vectorizer.h (ternary_op): New enum value.
17233 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17234 declaration. Revised documentation. Removed redundant dump prints.
17235 Removed redundant argument. Added support for reduction patterns.
17236 (vectorizable_reduction): Added support for reduction patterns.
17237 (vect_transform_stmt): Added support for patterns.
17239 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17240 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17241 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17242 (expand_widen_pattern_expr): New function.
17243 (init_optabs): Initialize new optabs udot_prod_optab,
17245 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17246 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17247 (expand_widen_pattern_expr): New function declaration.
17248 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17250 * tree-inline.c (estimate_num_insns_1): Added cases for new
17251 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17252 * tree-pretty-print.c (dump_generic_node): Likewise.
17253 (op_prio): Likewise.
17254 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17255 * tree-ssa-operands.c (get_expr_operands): Added case for
17257 * tree-vect-patterns.c (widened_name_p): New function.
17258 (vect_recog_dot_prod_pattern): Added function implementation.
17259 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17260 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17261 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17262 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17264 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17265 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17266 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17267 (init_optabs): Initialize new optabs widen_ssum_optab,
17269 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17270 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17271 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17272 use instead of type of def.
17273 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17274 function implementation.
17275 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17276 widen_ssumv8hi): New.
17278 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17281 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17284 * c-decl.c (add_flexible_array_elts_to_size): New function.
17285 (finish_decl): Use it.
17287 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17289 * diagnostic.h: Include options.h.
17290 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17291 dependancies for diagnostic.h.
17292 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17294 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17296 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17297 (ssa_ro_call_cache_valid): Ditto.
17298 * tree-ssa-alias.c (sort_tags_by_id): New function.
17299 (init_transitive_clobber_worklist): Ditto.
17300 (add_to_worklist): Ditto.
17301 (mark_aliases_call_clobbered): Ditto.
17302 (compute_tag_properties): Ditto.
17303 (set_initial_properties): Ditto.
17304 (compute_call_clobbered): Ditto.
17305 (compute_may_aliases): Call compute_call_clobbered and grouping.
17306 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17307 (compute_flow_insensitive_aliasing): Grouping now happens in our
17309 (setup_pointers_and_addressables): Remove clobbering related code.
17310 (add_may_alias): Ditto.
17311 (replace_may_alias): Ditto.
17312 (get_nmt_for): Ditto.
17313 (create_global_var):
17314 (is_escape_site): Return an escape_type enumeration.
17315 * tree-flow-inline.h (is_call_clobbered): Global var does not
17316 imply call clobbered.
17317 (mark_call_clobbered): Take a reason for marking this. Remove
17318 marking of globalness, and cache invalidation.
17319 (clear_call_clobbered): Remove cache invalidation code.
17320 * tree-dfa.c (dump_variable): If details is on, dump the reason
17322 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17324 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17325 (struct var_ann_d): Ditto.
17326 (enum escape_type): New.
17327 (mark_call_clobbered): Adjust prototype.
17328 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17329 are never call clobbered.
17330 Record reasons for escaping.
17331 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17332 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17333 (ssa_ro_call_cache_valid): Ditto.
17334 (clobbered_v_may_defs): Ditto.
17335 (clobbered_vuses): Ditto.
17336 (ro_call_vuses): Ditto.
17337 (clobber_stats): New.
17338 (init_ssa_operands): Zero out clobber stats.
17339 (fini_ssa_operands): Print out clobber stats.
17340 (get_call_expr_operands): Pass callee fndecl to
17341 add_call_read_ops).
17342 (add_call_clobber_ops): Remove use of cache.
17343 Add use of PURE_CONST information.
17344 (add_call_read_ops): Remove use of cache.
17345 Add use of static not_read information.
17347 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17349 Introduce TLS descriptors for i386 and x86_64.
17350 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17351 (TARGET_ANY_GNU_TLS): New macro.
17352 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17353 (struct machine_function): Add tls_descriptor_call_expanded_p.
17354 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17355 (ix86_current_function_calls_tls_descriptor): Likewise.
17356 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17357 (override_options): Introduce gnu2 tls dialect.
17358 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17360 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17362 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17363 (ix86_init_machine_status): Initialize new field.
17364 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17365 (ix86_tls_module_base): New.
17366 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17367 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17368 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17369 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17370 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17371 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17372 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17373 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17374 * config/i386/predicates.md (tls_modbase_operand): New.
17375 (tp_or_register_operand): New.
17377 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17379 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17380 (look_for_address_of): Ditto.
17381 (ipa_init): Walk the function decls.
17382 (static_execute): Don't set readonly on FUNCTION_DECL's.
17384 2006-01-18 Roger Sayle <roger@eyesopen.com>
17386 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17387 for shifts where the source and destination registers are different.
17389 2006-01-18 Paul Brook <paul@codesourcery.com>
17391 Merge from csl-arm-branch.
17392 2005-03-14 Julian Brown <julian@codesourcery.com>
17393 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17394 (aeabi_llsl): Likewise.
17395 (ashrdi3): Likewise.
17396 (aeabi_lasr): Likewise.
17397 (lshrdi3): Likewise.
17398 (aeabi_llsr): Likewise.
17399 2005-03-10 Julian Brown <julian@codesourcery.com>
17400 * config.gcc: Disable shared libgcc for SymbianOS.
17401 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17403 2006-01-18 DJ Delorie <dj@redhat.com>
17405 * c-pragma.c (handle_pragma_diagnostic): New.
17406 (init_pragma): Register it.
17407 * doc/extend.texi: Document it.
17409 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17410 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17411 (diagnostic_context): Add classify_diagnostic[].
17412 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17413 as errors if they're overridden to DK_WARNING.
17414 (diagnostic_initialize): Initialize classify_diagnostic[].
17415 (diagnostic_set_kind_override): New.
17416 (diagnostic_report_diagnostic): Check for kind changes.
17417 * opts.c (common_handle_option): Take lang_mask. Update callers.
17418 Handle OPT_Werror_.
17419 * common.opt (Werror=): New.
17420 * doc/invoke.texi: Document -Werror=*
17422 2006-01-18 Jeff Law <law@redhat.com>
17424 * tree-vrp.c (test_for_singularity): Correct test for new
17425 min limit. Use operand_equal_p rather than pointer equality
17426 for testing if new min/max values are equal.
17428 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17429 using range information until after propagation and folding.
17431 2006-01-18 Richard Henderson <rth@redhat.com>
17432 Aldy Hernandez <aldyh@redhat.com>
17433 Jakub Jelinek <jakub@redhat.com>
17434 Diego Novillo <dnovillo@redhat.com>
17436 * omp-low.c: New file.
17437 * c-omp.c: New file.
17439 2006-01-18 Richard Henderson <rth@redhat.com>
17440 Jakub Jelinek <jakub@redhat.com>
17441 Diego Novillo <dnovillo@redhat.com>
17443 * doc/invoke.texi: Document -fopenmp.
17444 * tree-dump.h (debug_function): Declare.
17445 * hooks.c (hook_bool_tree_bool_false): New function.
17446 (hook_tree_tree_null): Remove.
17447 (hook_tree_tree_tree_null): New.
17448 * hooks.h: Update to match.
17449 * tree-pretty-print.c (debug_tree_chain): New.
17450 (print_generic_expr): Handle TDF_CHAIN.
17451 (dump_generic_node): Handle BLOCK.
17452 Do not abort with incomplete SWITCH_EXPRs.
17453 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17454 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17455 print space after directive name.
17456 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17457 Handle OMP_MASTER and OMP_ORDERED.
17458 Handle printing of OMP_BODY just in one place, goto
17459 dump_omp_body in the rest of OMP_* nodes that have
17461 Don't handle clause nodes here. Update omp statements to
17462 use dump_omp_clauses.
17463 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17464 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17465 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17466 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17467 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17468 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17469 Adjust output for GOMP_PARALLEL.
17470 (dump_omp_clauses): New.
17471 (print_declaration): Dump DECL_VALUE_EXPR.
17472 (op_symbol_1): Split out of op_symbol.
17473 (dumping_stmts): Remove. Update all users.
17474 * cgraph.c (cgraph_analyze_queue): New.
17475 (cgraph_add_new_function): New.
17476 * cgraph.h (cgraph_analyze_queue): Declare.
17477 (cgraph_add_new_function): Declare.
17478 (cgraph_lower_function): Remove.
17479 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17480 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17481 and TYPE_P nodes in its default clause.
17482 (empty_body_p): New.
17483 (tree_range_check_failed): New.
17484 (build5_stat): New.
17485 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17486 OMP_CLAUSE_REDUCTION_MERGE,
17487 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17488 OMP_CLAUSE_PRIVATE_DEBUG,
17489 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17490 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17491 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17492 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17493 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17494 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17495 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17496 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17497 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17498 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17499 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17500 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17501 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17502 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17503 (TREE_RANGE_CHECK): New.
17504 (empty_body_p): Declare.
17505 (enum omp_clause_default_kind): New.
17506 (build_string_literal): Declare.
17507 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17508 (build5_stat, build5): Declare.
17509 * tree-pass.h (TDF_CHAIN): Define.
17510 * tree-pass.h (PROP_gimple_lomp): Define.
17511 (pass_lower_omp): Declare.
17512 * diagnostic.h (debug_tree_chain): Declare.
17513 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17515 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17516 * builtins.c (build_string_literal): Make extern.
17517 * gcc.c (include_spec_function): New.
17518 (static_spec_functions): Add it.
17519 (main): Move load of libgomp.spec ...
17520 (LINK_COMMAND_SPEC): ... here.
17521 (link_gomp_spec): New.
17522 (static_specs): Include it.
17523 (LINK_COMMAND_SPEC): Add link_gomp.
17524 (GOMP_SELF_SPECS): New.
17525 (driver_self_specs): Include it.
17526 (switch_matches): Don't mark inline.
17527 (main): Load libgomp.spec.
17528 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17529 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17530 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17531 * tree-gimple.h (enum omp_parallel): Declare.
17532 (determine_parallel_type): Declare.
17533 (omp_firstprivatize_variable): Declare.
17534 (omp_reduction_init): Declare.
17535 (diagnose_omp_structured_block_errors): Declare.
17536 (struct walk_stmt_info): Add want_return_expr.
17537 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17538 (find_omp_clause): Declare.
17539 (insert_field_into_struct): Declare.
17540 (struct walk_stmt_info): Move from tree-nested.c
17541 (walk_stmts): Declare.
17542 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17544 * cgraphunit.c (cgraph_lower_function): Make static.
17545 (cgraph_finalize_pending_functions): New.
17546 (cgraph_finalize_function): Call it.
17547 (cgraph_finalize_compilation_unit): Likewise.
17548 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17549 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17550 (BT_FN_UINT_UINT): New.
17551 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17552 DEF_FUNCTION_TYPE_VAR_4): Document.
17553 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17554 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17555 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17556 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17557 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17558 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17559 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17560 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17561 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17562 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17563 into separate files.
17564 (DEF_GOMP_BUILTIN): New.
17565 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17566 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17567 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17568 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17569 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17570 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17571 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17572 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17573 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17574 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17575 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17576 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17577 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17578 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17579 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17580 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17581 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17582 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17583 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17584 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17585 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17586 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17587 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17588 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17589 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17590 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17591 * sync-builtins.def: New file, moved from builtins.def.
17592 * omp-builtins.def: New file, moved from builtins.def.
17593 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17594 * gimple-low.c (lower_function_body): Clear data.
17595 (lower_stmt): Do not handle COMPOUND_EXPR.
17596 Remove call to print_node_brief.
17597 * c-tree.h (c_finish_omp_clauses): New prototype.
17598 (C_DECL_THREADPRIVATE_P): Define.
17599 (lookup_name_no_remap, c_omp_remap_private): Remove
17600 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17601 (check_for_loop_decls): Update decl.
17602 (lookup_name_no_remap, c_omp_remap_private): Declare.
17603 (build_indirect_ref, build_modify_expr, pushdecl,
17604 pushdecl_top_level): Move to c-common.h.
17605 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17606 before the switch, but just in the 2 places that need it.
17607 * c-decl.c (diagnose_mismatched_decls): Do not check for
17608 mismatched thread-local attributes when OLDDECL is marked
17609 threadprivate and NEWDECL has no thread-local attributes.
17610 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17611 (c_gimple_diagnostics_recursively): Rename from
17612 c_warn_unused_result_recursively. Invoke
17613 diagnose_omp_structured_block_errors.
17614 (check_for_loop_decls): Return a singular decl found.
17615 * langhooks.c (lhd_omp_predetermined_sharing): Return
17616 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17617 (lhd_omp_firstprivatize_type_sizes): New.
17618 (lhd_omp_assignment): New.
17619 (lhd_omp_predetermined_sharing): New.
17620 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17621 (struct lang_hooks_for_types): Add
17622 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17623 omp_predetermined_sharing, omp_disregard_value_expr,
17624 omp_private_debug_clause, omp_clause_default_ctor,
17625 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17626 (c_finish_omp_clauses): New.
17627 (c_finish_bc_stmt): Diagnose break within omp for.
17628 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17629 (build_unary_op): Return error_mark after reporting
17631 (build_modify_expr): Likewise.
17632 * gimplify.c: Include optabs.h and pointer-set.h.
17633 (enum gimplify_omp_var_data): Declare.
17634 (struct gimplify_omp_ctx): Declare.
17635 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17637 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17638 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17639 (splay_tree_compare_decl_uid): New.
17640 (new_omp_context): New.
17641 (delete_omp_context): New.
17642 (gimple_add_tmp_var): Call omp_add_variable.
17643 (gimplify_bind_expr): Likewise.
17644 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17645 true, disregard DECL_VALUE_EXPR on the decl if any.
17646 (gimplify_expr_in_ctx): New.
17647 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17648 omp_add_variable, omp_notice_variable, omp_is_private
17649 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17650 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17651 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17652 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17653 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17654 gimplify_omp_atomic): New.
17655 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17656 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17657 OMP_CRITICAL and OMP_ATOMIC.
17658 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17659 * c-pragma.h (enum pragma_kind): Add
17660 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17661 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17662 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17663 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17664 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17665 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17666 PRAGMA_OMP_THREADPRIVATE.
17667 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17668 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17669 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17670 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17671 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17672 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17673 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17674 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17675 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17676 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17677 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17678 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17679 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17681 (struct nesting_info): Add field_map,
17682 suppress_expansion, debug_var_chain.
17683 (create_nesting_tree): Initialize them.
17684 (lookup_field_for_decl): Use field_map.
17685 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17686 (convert_local_omp_clauses): New.
17687 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17688 (walk_body): Split out of walk_function.
17689 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17690 (convert_nonlocal_reference): Handle omp statements.
17691 (convert_local_reference): Likewise.
17692 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17693 (unnest_nesting_tree): New.
17694 (lower_nested_functions): Call it.
17695 (insert_field_into_struct): Make extern.
17696 (struct walk_stmt_info): Move to tree-gimple.h.
17697 (walk_stmts): Make extern.
17698 * omp-builtins.def: New file.
17699 * tree-iterator.c (expr_only): Clarify comment.
17700 * c-common.h (pushdecl_top_level, pushdecl,
17701 build_modify_expr, build_indirect_ref,
17702 c_finish_omp_master, c_finish_omp_critical,
17703 c_finish_omp_ordered, c_finish_omp_barrier,
17704 c_finish_omp_atomic, c_finish_omp_flush,
17705 c_finish_omp_for, c_split_parallel_clauses,
17706 omp_clause_default_kind, c_omp_sharing_predetermined,
17707 c_omp_remap_decl): Declare.
17708 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17709 (OBJS-common): Add omp-low.o.
17710 (c-omp.o, omp-low.o): Add.
17711 (gimplify.o): Add dependency on $(OPTABS_H).
17712 (GTFILES): Add omp-low.c.
17713 (gt-stringpool.h): Add.
17714 * tree-cfg.c (set_bb_for_stmt): Do not update the
17715 block-to-labels map if we are currently expanding to RTL.
17716 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17718 Handle IDENTIFIER_NODE.
17719 (tree_verify_flow_info): Do not ICE when emitting error
17720 messages about invalid labels.
17721 (dump_function_to_file): Reset CFUN before emitting the body
17723 (debug_function): New.
17724 * passes.c (init_optimization_passes): Schedule
17726 * langhooks-def.h (lhd_omp_predetermined_sharing,
17727 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17729 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17730 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17731 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17732 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17733 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17734 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17735 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17736 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17737 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17738 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17739 (LANG_HOOK_DECLS): Use them.
17741 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17742 Richard Henderson <rth@redhat.com>
17743 Jakub Jelinek <jakub@redhat.com>
17744 Diego Novillo <dnovillo@redhat.com>
17746 * c-parser.c (pragma_omp_clause): Define.
17747 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17748 (c_parser_compound_statement): Likewise.
17749 (c_parser_statement): Likewise.
17750 (c_parser_pragma): Handle omp pragmas.
17751 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17752 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17753 (c_parser_omp_clause_name, check_no_duplicate_clause,
17754 c_parser_omp_variable_list,
17755 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17756 c_parser_omp_clause_copyprivate,
17757 c_parser_omp_clause_default,
17758 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17759 c_parser_omp_clause_lastprivate,
17760 c_parser_omp_clause_nowait,
17761 c_parser_omp_clause_num_threads,
17762 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17763 c_parser_omp_clause_reduction,
17764 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17765 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17766 c_parser_omp_atomic, c_parser_omp_barrier,
17767 c_parser_omp_critical, c_parser_omp_flush,
17768 c_parser_omp_for_loop, c_parser_omp_for,
17769 c_parser_omp_master, c_parser_omp_ordered,
17770 c_parser_omp_sections_scope, c_parser_omp_sections,
17771 c_parser_omp_parallel, c_parser_omp_single,
17772 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17773 * c-pragma.c (init_pragma): Do omp pragma registration here.
17774 * c.opt (fopenmp): New flag.
17776 2006-01-18 Eric Christopher <echristo@apple.com>
17778 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17779 * config/darwin.h (GOMP_SELF_SPECS): Define.
17781 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17783 * rtl.h: Remove the prototype for reg_alloc.
17785 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17788 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17789 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17790 sjlj and dwarf2 exception handling.
17791 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17792 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17793 * pa/pa.c (function_value): Treat complex and vector types as
17795 (function_arg): Likewise. Only pass scalar floats in the floating
17796 point argument registers.
17797 * pa/t-slibgcc-dwarf-ver: New file.
17798 * pa/t-slibgcc-sjlj-ver: New file.
17799 * pa/t-slibgcc-elf-ver: Delete file.
17801 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17803 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17804 unlikely_test_section_p test.
17806 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17808 * mode-switching.c (optimize_mode_switching): Make it static.
17809 * basic-block.h: Remove the prototype for
17810 optimize_mode_switching.
17812 * modulo-sched.c (sms_schedule): Make it static.
17813 * rtl.h: Remove the prototype for sms_schedule.
17815 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17816 * rtl.h: Remove the prototype for gcse_after_reload_main.
17818 * reg-stack.c (reg_to_stack): Make it static.
17819 * rtl.h: Remove the prototype for reg_to_stack.
17821 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17823 * rtl.h: Remove the prototypes for regrename_optimize and
17824 copyprop_hardreg_forward.
17826 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17828 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17829 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17830 Test against the appropriate null constant for the mode.
17831 If 'fixup_overlap' is true, swap the operands if they overlap.
17832 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17833 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17834 alpha_split_tmode_pair and adjust for above change.
17835 * config/alpha/alpha.md (movtf_internal): Adjust call to
17836 alpha_split_tfmode_pair and rely on it to swap the operands.
17837 (movti_internal): New insn and post-reload splitter.
17838 (movti): New expander.
17840 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17842 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17845 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17847 * rtlanal.c (global_reg_mentioned_p_1,
17848 global_reg_mentioned_p): Remove.
17849 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17851 * flow.c (initialize_uninitialized_subregs): Make it static.
17852 * rtl.h: Remove the prototype for
17853 initialize_uninitialized_subregs.
17855 * function.c (instantiate_virtual_regs): Make it static.
17856 * function.h: Remove the prototype for
17857 instantiate_virtual_regs.
17859 * regmove.c (regmove_optimize, combine_stack_adjustments):
17861 * rtl.h: Remove the prototypes for regmove_optimize and
17862 combine_stack_adjustments.
17864 2006-01-17 Roger Sayle <roger@eyesopen.com>
17866 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17867 (size_cost): Encode costs in bytes so that a reg-reg addition is
17868 equivalent to COSTS_N_INSNS(1).
17869 (override_options): Use the size_cost.branch_cost as the default
17870 ix86_branch_cost when optimizing for size.
17872 2006-01-18 Ben Elliston <bje@au.ibm.com>
17874 * Makefile.in (D32PBIT_FUNCS): New.
17875 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17876 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17877 D64PBIT_FUNCS and D128PBIT_FUNCS.
17878 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17879 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17881 (decnumber_dep): Define.
17882 * doc/libgcc.texi (Decimal float library routines): New node.
17883 * config/dfp-bit.h, config/dfp-bit.c: New files.
17885 2006-01-18 Ben Elliston <bje@au.ibm.com>
17887 * expr.c (emit_move_change_mode): Always adjust addresses, not
17888 just during reload. Copy replacements only during reload.
17889 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17890 emit_move_via_integer.
17892 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17894 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17895 instead of $(srcdir) and ${srcdir}.
17897 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17900 PR middle-end/11135
17901 * arm.h (struct machine_function): Add pic_reg.
17902 * arm.c (arm_pic_register): Make unsigned.
17903 (arm_override_options): Only set arm_pic_register if
17904 TARGET_SINGLE_PIC_BASE.
17905 (use_return_insn): Only test for a pic register if it is fixed.
17906 (arm_compute_save_reg0_reg12_mask): Likewise.
17907 (thumb_compute_save_reg_mask): Likewise.
17908 (legitimate_pic_operand): Factor out some known invariants.
17909 (legitimize_pic_address): If we don't have a fixed pic register,
17910 then set up a pseudo in the function entry sequence. Handle the
17911 pic base being in a pseudo.
17912 (arm_load_pic_register): Handle the pic register being in a pseudo.
17913 (arm_expand_prologue): Only set up the pic register if it is fixed.
17914 (thumb_expand_prologue): Likewise.
17915 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17916 (pic_load_addr_based_insn): Likewise.
17917 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17920 2006-01-18 Ben Elliston <bje@au.ibm.com>
17922 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17923 decimal float modes for all floating point registers.
17925 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17926 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17928 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17931 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17932 even when the pointer is not NULL.
17934 2006-01-16 Ian Lance Taylor <ian@airs.com>
17936 * common.opt (ftoplevel-reorder): New option.
17937 * cgraph.c (cgraph_asm_nodes): New global variable.
17938 (cgraph_asm_last_node): New static variable.
17939 (cgraph_order): New global variable.
17940 (cgraph_create_node): Set new order field.
17941 (cgraph_varpool_node): Likewise.
17942 (decide_is_variable_needed): Return true if not
17943 flag_toplevel_reorder.
17944 (cgraph_add_asm_node): New function.
17945 * cgraph.h (struct cgraph_node): Add order field.
17946 (struct cgraph_varpool_node): Add order field.
17947 (struct cgraph_asm_node): Define.
17948 (cgraph_asm_nodes, cgraph_order): Declare.
17949 (cgraph_add_asm_node): Declare.
17950 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17952 (cgraph_varpool_assemble_pending_decls): Call it.
17953 (cgraph_output_pending_asms): New static function.
17954 (cgraph_finalize_compilation_unit): Call it.
17955 (struct cgraph_order_sort): Define.
17956 (cgraph_output_in_order): New static function.
17957 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17958 !flag_toplevel_reorder case.
17959 * c-parser.c: Include "cgraph.h".
17960 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17962 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17963 than -fno-unit-at-a-time.
17964 * doc/invoke.texi (Option Summary): Mention
17965 -fno-toplevel-reorder.
17966 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17967 -funit-at-a-time documentation.
17969 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17970 Kazu Hirata <kazu@codesourcery.com>
17972 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17974 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17976 * Makefile.in (FUNCTION_H): New. Use it instead of
17977 function.h throughout the file.
17978 * function.h: Include tree.h.
17980 2006-01-17 Ben Elliston <bje@au.ibm.com>
17982 * recog.c: Separate some functions with whitespace.
17984 2006-01-16 Richard Henderson <rth@redhat.com>
17986 Merge from gomp branch:
17987 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17988 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17989 and rename from struct inline_data. Rename callee* to dst*;
17990 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17991 transform_new_cfg, transform_return_to_modify, and
17992 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17994 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17995 (copy_decl_for_dup): Remove.
17996 * tree-inline.c (struct inline_data): Move to header.
17997 (insert_decl_map): Export.
17998 (remap_decl): Update for member name changes. Use copy_decl hook.
17999 Allow for replacement to be a non-decl. Remove dead code.
18000 (remap_type_1): Check for existing mapping.
18001 (remap_type): Export.
18002 (remap_decls): Update for member name changes.
18003 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18004 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18005 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18006 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18007 (tree_function_versioning, build_duplicate_type): Likewise.
18008 (copy_body_r): Likewise. Export.
18009 (copy_decl_for_dup): Split into ...
18010 (copy_decl_for_dup_finish, copy_decl_to_var,
18011 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18012 (replace_ref_tree, inlining_p): Remove.
18014 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18016 * ifcvt.c (if_convert): Make it static.
18017 * rtl.h: Remove the prototype for if_convert.
18019 * local-alloc.c (local_alloc): Make it static.
18020 * rtl.h: Remove the prototype for local_alloc.
18022 * loop.c (loop_optimize): Make it static.
18023 * cfgloop.h: Remove the prototype for loop_optimize.
18026 2006-01-16 DJ Delorie <dj@redhat.com>
18028 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18031 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18033 * pa.md: Disparage copies between general and floating-point registers
18034 in 32-bit move patterns.
18036 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18039 * Makefile.in (check-%): Depend on site.exp instead of
18040 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18043 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18045 * global.c (global_alloc): Make it static.
18046 * rtl.h: Remove the prototype for global_alloc.
18048 2006-01-16 Richard Guenther <rguenther@suse.de>
18050 * tree-ssa-alias.c (struct used_part): Add write_only field.
18051 (get_or_create_used_part_for): Initialize it to true.
18052 (create_overlap_variables_for): Don't create structure variables
18053 for structures that only are written to.
18054 (find_used_portions): Handle MODIFY_EXPR to track whether a
18055 structure is only written to.
18057 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18059 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18061 * basic-block.h: Remove the prototype for
18062 partition_hot_cold_basic_blocks.
18064 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18066 * cppspec.c (lang_specific_spec_functions): Remove.
18067 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18068 * gcc.h (lang_specific_spec_functions): Remove.
18069 * gccspec.c (lang_specific_spec_functions): Remove.
18071 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18073 * combine.c (record_value_for_reg): Invalidate registers
18075 (record_dead_and_set_regs_1): Likewise, by passing them to
18076 record_value_for_reg.
18077 (record_dead_and_set_regs): Invalidate stores made by a
18078 call. We do not combine across a call, but we still
18079 relied on equivalences.
18081 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18083 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18084 vrp_int_const_binop returning non-constant nodes.
18086 2006-01-16 Paul Brook <paul@codesourcery.com>
18088 * config/m68k/m68k.c (output_move_const_into_data_reg):
18089 Output correct mnemonic for mvz and mvs.
18091 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18093 * rtl-factoring.c: Add sequence abstraction algorithm.
18094 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18095 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18097 (block_has_preserve_label): New function.
18098 * common.opt: Register new pass.
18099 * Makefile.in: Ditto.
18101 * timevar.def: Ditto.
18102 * tree-pass.h: Ditto.
18103 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18104 * rtl.h (make_jump_insn_raw): Add forward decl.
18105 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18107 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18108 Roger Sayle <roger@eyesopen.com>
18110 * fold-const.c (fold_minmax): New static function.
18111 (fold_binary) <MIN_EXPR>: Call it.
18112 <MAX_EXPR>: Likewise.
18113 * stor-layout.c (place_field): Use DECL_SIZE consistently
18114 in the computation of the new record size.
18116 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18118 * cse.c (cse_condition_code_reg): Make it static.
18119 * rtl.h: Remove the prototype for cse_condition_code_reg.
18121 * combine.c (combine_instructions): Make it static.
18122 * rtl.h: Remove the prototype for combine_instructions.
18124 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18127 * tree.c (get_file_function_name_long): Concatenate the first global
18128 object name with a string derived from the input filename of the object
18131 2006-01-16 Ben Elliston <bje@au.ibm.com>
18133 * config/i386/winnt-stubs.c: Update FSF address.
18134 * config/xtensa/ieee754-df.S: Ditto.
18135 * config/xtensa/ieee754-sf.S: Ditto.
18137 2006-01-14 Ian Lance Taylor <ian@airs.com>
18139 * ifcvt.c (noce_init_if_info): New static function, broken out of
18140 noce_process_if_block.
18141 (noce_process_if_block): Call noce_init_if_info.
18142 (check_cond_move_block): New static function.
18143 (cond_move_process_if_block): New static function.
18144 (process_if_block): Call cond_move_process_if_block.
18146 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18148 * cselib.c (hash_table): Rename to cselib_hash_table.
18149 (cselib_clear_table, discard_useless_values,
18150 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18151 cselib_init, cselib_finish): Adjust uses of hash_table.
18153 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18155 PR tree-optimization/25485
18156 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18157 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18158 is known to be false and true, respectively.
18160 2006-01-14 Richard Guenther <rguenther@suse.de>
18162 PR tree-optimization/22548
18163 PR tree-optimization/22555
18164 PR tree-optimization/22501
18165 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18166 * params.def (salias-max-array-elements): New parameter.
18167 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18168 * doc/invoke.texi (salias-max-array-elements): Document.
18169 * tree-flow-inline.h (var_can_have_subvars): We also handle
18171 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18173 * tree-ssa-structalias.c (params.h): Include.
18174 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18175 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18176 (get_constraint_for): For ADDR_EXPR operating on something
18177 containing an ARRAY_REF, add all subvars to the solution.
18178 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18179 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18180 for creating MUST_DEFs.
18181 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18183 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18185 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18187 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18188 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18189 number_of_iterations_le): New functions.
18190 (number_of_iterations_special): Removed.
18191 (number_of_iterations_exit): Do not use number_of_iterations_special.
18192 * tree.c (unsigned_type_for): Always return integer type.
18194 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18195 Richard Guenther <rguenther@suse.de>
18197 PR rtl-optimization/24257
18198 * gcse.c (find_moveable_store): Only consider a store movable
18199 when the SET_SRC of the insn can be assigned to a register.
18201 2006-01-14 Ian Lance Taylor <ian@airs.com>
18203 * tree.c (tree_not_class_check_failed): New function.
18204 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18205 (tree_not_class_check_failed): Declare.
18207 2006-01-13 Ian Lance Taylor <ian@airs.com>
18209 * reload1.c (do_output_reload): Add assertion rejecting a
18212 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18214 * combine.c (struct reg_stat): Add new fields truncation_label and
18216 (record_value_for_reg): Reset truncated_to_mode.
18217 (record_truncated_value): New function.
18218 (check_promoted_subreg): Call it. Rename to check_conversions.
18219 (combine_instructions): Rename check_promoted_subreg to
18221 (reg_truncated_to_mode): New function.
18222 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18223 (gen_lowpart_or_truncate): New function.
18224 (force_to_mode): Use it instead of gen_lowpart.
18226 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18228 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18229 VAR is a tag, not its type tag.
18231 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18233 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18234 alternatives to match style of other entries.
18235 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18237 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18239 PR tree-optimization/25771
18240 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18243 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18246 * tree-inline.c (declare_return_variable): If the return variable
18247 was marked as a non gimple complex, set the return slot variable
18248 to be a non gimple comple variable.
18250 2006-01-13 Richard Guenther <rguenther@suse.de>
18252 * builtins.c (expand_builtin_sincos): New function.
18253 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18255 (expand_builtin): Expand sincos using expand_builtin_sincos.
18257 2006-01-12 DJ Delorie <dj@redhat.com>
18259 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18260 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18261 so that constant shifts can be split.
18262 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18263 (m32c_valid_pointer_mode): Make static.
18264 (shift_gen_func_for): New.
18265 (m32c_prepare_shift): Use it. Split large const shifts into
18267 * config/m32c/predicates.md (shiftcount_operand): Allow more
18269 (longshiftcount_operand): New.
18270 * doc/md.texi (Machine Constraints): Document In6.
18272 2006-01-13 Ben Elliston <bje@au.ibm.com>
18274 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18275 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18278 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18280 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18281 to try to avoid clobbering pieces of structures when we know
18282 something about the whole structure.
18283 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18285 2006-01-13 Ben Elliston <bje@au.ibm.com>
18287 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18288 return in memory, as this is no limitation is no longer present.
18290 2006-01-12 DJ Delorie <dj@redhat.com>
18292 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18293 mova with fb, and for fb+0 -> An.
18295 * config/m32c/mov.md (peephole2): Fix enabling logic.
18297 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18298 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18299 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18300 FINI_ARRAY_SECTION_ASM_OP): Define.
18302 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18304 (m32c_legitimize_reload_address): New logic to reload FB to An.
18305 (m32c_output_reg_push): Add newline.
18306 (m32c_output_reg_pop): Likewise.
18308 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18310 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18312 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18314 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18316 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18318 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18321 2006-01-11 Ben Elliston <bje@au.ibm.com>
18323 * rtlanal.c (find_reg_note): Assert insn is not null.
18325 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18327 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18330 2006-01-11 Jeff Law <law@redhat.com>
18332 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18334 (mark_threaded_blocks, register_jump_thread): New functions.
18335 (thread_through_all_blocks): Remove unwanted argument. No
18336 longer rely on e->aux to communicate thread target info.
18337 Call mark_threaded_blocks. Release the threaded_blocks
18338 bitmap and threaded_edges vector when complete.
18339 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18340 (threaded_blocks): Remove.
18341 (tree_ssa_dominator_optimize): Remove initialization and
18342 finalization of threaded_blocks. Simplify call to
18343 thread_through_all_blocks.
18344 (thread_across_edge): Call register_jump_thread rather than
18345 storing thread information into e->aux.
18346 (free_all_edge_infos): Simplify now that e->aux is no longer
18347 used to communicate with thread_through_all_blocks.
18348 * tree-flow.h (thread_through_all_blocks): Update prototype.
18349 (register_jump_thread): Prototype.
18351 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18353 * df-core.c (df_compact_blocks, df_bb_replace): Use
18354 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18356 2006-01-11 Richard Guenther <rguenther@suse.de>
18358 PR tree-optimization/25734
18359 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18360 stop propagation after successful propagation to the LHS.
18362 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18364 * basic-block.h (control_flow_graph): Change the type of
18365 x_basic_block_info to VEC(basic_block,gc) *.
18366 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18368 (SET_BASIC_BLOCK): New.
18369 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18370 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18371 * cfgbuild.c (find_basic_blocks): Likewise.
18372 * cfglayout.c (fixup_reorder_chain): Likewise.
18373 * cfgrtl.c (create_basic_block_structure,
18374 rtl_create_basic_block): Likewise.
18375 * ifcvt.c (find_if_case_1): Likewise.
18376 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18379 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18381 * Makefile.in: Removed rotted odf.c entry.
18383 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18386 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18387 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18388 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18389 output pattern modifier, not %e.
18390 * config/cris/cris.c (cris_op_str): Update comment about pattern
18392 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18393 before falling through into...
18394 <case 'E'>: Redefined from old 'e' case.
18396 2006-01-11 Jan Hubicka <jh@suse.cz>
18399 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18401 2006-01-11 Jan Hubicka <jh@suse.cz>
18403 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18404 * i386.c (x86_decompose_lea): Kill.
18405 (ix86_rtx_costs): Kill.
18407 2006-01-11 Jan Hubicka <jh@suse.cz>
18409 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18410 * cgraph.h (cgraph_node): Add inline_decl.
18411 (cgraph_insert_node_to_hashtable): Declare.
18412 (save_inline_function_body): Declare.
18413 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18415 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18416 (cgraph_function_versioning): Update call of tree_function_versioning.
18417 (save_inline_function_body): New function.
18418 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18419 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18420 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18421 (cgraph_default_inline_p): Likewise.
18422 (cgraph_decide_inlining_incrementally): Likewise.
18423 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18424 (copy_bb): Kill saving; do updating of clones.
18425 (copy_cfg_body): Kill saving.
18426 (initialize_inlined-parameters): Likewise.
18427 (expand_call_inline): Likewise.
18429 (tree_function_versioning): New parameter "update_clones".
18430 (inlining_p): Kill saving.
18431 * tree-inline.h (tree_function_versioning): Update prototype.
18432 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18435 2006-01-11 Ian Lance Taylor <ian@airs.com>
18437 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18438 Allow undoing set of machine mode.
18439 (do_SUBST): Use enums instead of is_int.
18440 (do_SUBST_MODE): New function.
18441 (SUBST_MODE): New macro.
18442 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18443 reg and trying to replace reg_regno_rtx with a new register.
18444 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18445 (simplify_set): Use SUBST_MODE.
18446 (distribute_notes): Remove code that tried to update reg notes
18447 for regno_reg_rtx changes.
18449 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18451 PR tree-optimization/23109
18452 PR tree-optimization/23948
18453 PR tree-optimization/24123
18455 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18456 * tree-cfg.c (single_noncomplex_succ): New.
18457 * tree-flow.h (single_noncomplex_succ): Declare it.
18458 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18459 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18460 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18461 insert_bb, register_division_in, insert_reciprocals,
18462 replace_reciprocal, free_bb): New.
18463 (execute_cse_reciprocals_1): Rewritten.
18464 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18465 Do not commit any edge insertion. Always compute dominators and
18466 create the allocation pool.
18467 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18468 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18469 * targhooks.c (default_min_divistions_for_recip_mul): New.
18470 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18471 * passes.c (init_optimization_passes): Run recip after tree loop
18473 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18475 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18476 Kenneth Zadeck <zadeck@naturalbridge.com>
18478 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18479 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18480 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18481 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18482 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18483 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18484 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18485 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18486 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18487 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18488 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18489 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18490 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18491 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18492 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18493 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18494 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18495 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18496 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18497 DF_SCAN_POST_ALLOC): New macros.
18498 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18499 df_free_bb_function, df_local_compute_function, df_init_function,
18500 df_dataflow_function, df_confluence_function_0,
18501 df_confluence_function_n, df_transfer_function,
18502 df_finalizer_function, df_free_function, df_dump_problem_function,
18503 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18504 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18505 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18506 df_urec_bb_info, ) New types.
18507 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18509 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18510 df_analyze_simple_change_some_blocks,
18511 df_analyze_simple_change_one_block, df_compact_blocks,
18512 df_bb_replace, df_bb_regno_last_use_find,
18513 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18514 df_insn_regno_def_p, df_find_def, df_find_use,
18515 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18516 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18517 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18518 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18519 debug_df_chain, df_get_dependent_problem, df_chain_create,
18520 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18521 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18522 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18523 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18524 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18525 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18526 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18527 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18528 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18529 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18530 df_reorganize_refs, df_set_state, df_hard_reg_init,
18531 df_read_modify_subreg_p) New public functions.
18532 * df-core.c: The core dataflow solver and glue routines for rtl
18534 (df_init, df_add_problem, df_set_blocks, df_finish,
18535 df_hybrid_search_forward, df_hybrid_search_backward,
18536 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18537 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18538 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18539 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18540 df_reg_defined, df_find_use, df_reg_used, df_dump,
18541 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18542 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18543 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18544 debug_df_useno, reset_df_after_reload): New functions.
18545 * df-scan.c: The scanning fuctions, once in df.c, completely
18546 rewritten so that they now fully model the functionality of
18547 register usage at the backend.
18548 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18549 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18550 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18551 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18552 df_get_artificial_defs, df_get_artificial_uses,
18553 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18554 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18555 df_refs_delete, df_reorganize_refs, df_set_state,
18556 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18557 df_def_record_1, df_defs_record, df_uses_record,
18558 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18559 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18560 df_record_exit_block_uses, df_hard_reg_init): New functions.
18562 * df-problems.c: Seven concrete dataflow problems that use the
18563 scanning in df-scan.c and are solved by the engine in df-core.c.
18564 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18565 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18566 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18567 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18568 df_ru_free_bb_info, df_ru_alloc,
18569 df_ru_bb_local_compute_process_def,
18570 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18571 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18572 df_ru_transfer_function, df_ru_free, df_ru_dump,
18573 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18574 df_rd_free_bb_info, df_rd_alloc,
18575 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18576 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18577 df_rd_transfer_function, df_rd_free, df_rd_dump,
18578 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18579 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18580 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18581 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18582 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18583 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18584 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18585 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18586 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18587 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18588 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18589 df_urec_mark_reg_use_for_earlyclobber,
18590 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18591 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18592 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18593 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18594 df_chain_create_bb_process_use, df_chain_create_bb,
18595 df_chain_finalize, df_chain_free, df_chains_dump,
18596 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18597 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18598 df_reg_lifetime): New functions.
18599 * df.c: Deleted file.
18600 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18601 consistent with new df api.
18602 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18603 rest_of_handle_sms): Ditto.
18604 * web.c (unionfind_union, union_defs, entry_register, web_main):
18606 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18607 invariant_expr_equal_p, find_defs, check_dependencies,
18608 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18609 free_inv_motion_data, move_loop_invariants): Ditto.
18610 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18611 Update dependencies.
18612 (odf.c): Added defective entry that was deleted later in day.
18613 * sched-deps.c (sched_analyze_1): Ditto.
18615 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18617 * tree-ssa-operands.c (get_expr_operands): Record addressable
18618 variables directly. Do not call add_stmt_operands for CONST_DECLs
18620 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18621 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18623 2006-01-11 Ben Elliston <bje@au.ibm.com>
18625 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18626 function returns true in the positive case.
18628 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18631 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18632 for SI, DI, SF and DF modes. Add alternatives to copy between
18633 general and floating point registers to the 32-bit patterns.
18634 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18635 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18636 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18637 generating 64-bit code.
18638 * config/pa/pa.c (output_move_double): Handle copies between general
18639 and floating registers.
18641 2006-01-10 Stuart Hastings <stuart@apple.com>
18643 * config/i386/i386.md (set_got): Update.
18644 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18645 (builtin_setjmp_receiver): Mach-O support.
18646 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18647 (GOT_SYMBOL_NAME): Define.
18648 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18649 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18650 * config/i386/i386.c (override_options): Revise for Darwin.
18651 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18652 support. (darwin_x86_file_end): New. (output_set_got): Add label
18653 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18654 * config/i386/i386-protos.h (output_set_got): Likewise.
18655 * config/darwin.c (machopic_legitimize_pic_address): Update
18658 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18660 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18661 when MODE isn't BLKmode.
18663 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18665 PR rtl-optimization/25367
18666 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18668 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18671 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18672 for a negative bound.
18674 2006-01-10 Richard Guenther <rguenther@suse.de>
18676 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18677 Never override with anything constraint.
18679 2006-01-10 Jan Beulich <jbeulich@novell.com>
18681 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18682 256 bits when optimize_size.
18684 2006-01-10 Jan Beulich <jbeulich@novell.com>
18686 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18688 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18689 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18692 2006-01-10 Ben Elliston <bje@au.ibm.com>
18694 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18696 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18697 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18698 (USE_FP_FOR_ARG): Reject decimal float modes.
18699 (function_arg_advance): Likewise.
18700 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18701 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18702 point types in AltiVec vectors.
18703 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18704 (rs6000_libcall_value): Likewise.
18706 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18708 * config/xtensa/ieee754-df.S: New file.
18709 * config/xtensa/ieee754-sf.S: New file.
18710 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18711 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18712 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18714 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18716 * config/sh/predicates.md (binary_float_operator,
18717 binary_logical_operator, commutative_float_operator,
18718 equality_comparison_operator, greater_comparison_operator,
18719 less_comparison_operator, logical_operator,
18720 noncommutative_float_operator, shift_operator,
18721 symbol_ref_operand, unary_float_operator): Remove redundant
18724 2006-01-09 Jeff Law <law@redhat.com>
18726 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18727 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18728 now unused arguments. Callers updated.
18729 (eliminate_redundant_computations): Remove now unused arguments,
18731 (local_fold): Remove, no longer used.
18732 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18734 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18735 (simplify_cond): New function.
18736 (forward_propagate_into_cond): Call simplify_cond.
18738 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18740 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18741 (*vec_extractv2di_1_sse): New.
18743 2006-01-09 Ben Elliston <bje@au.ibm.com>
18745 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18747 2006-01-08 Richard Guenther <rguenther@suse.de>
18749 * tree-ssa-structalias.c (get_constraint_for): Remove
18750 anyoffset argument.
18751 (get_constraint_for_component_ref): Likewise.
18752 (do_deref): Likewise.
18753 (get_constraint_for): Likewise.
18754 (do_structure_copy): Likewise.
18755 (handle_ptr_arith): Likewise.
18756 (find_func_aliases): Likewise. Remove unused need_anyoffset
18759 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18760 Kaz Kojima <kkojima@gcc.gnu.org>
18762 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18763 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18764 (EXTRA_CONSTRAINT_C16): Remove.
18765 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18766 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18767 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18768 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18769 constants of SHmedia. Handle nested constant expressions of
18771 (andcosts): Fix the costs for SHmedia constants.
18772 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18773 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18774 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18775 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18776 (movv4hi_i, movv2si_i): Likewise.
18777 (movsi_const): Adjust the second operand of ior so to match with
18778 the Csu constraint.
18779 (movdi_const, movdi_const_32bit): Likewise.
18780 (movdi_const_16bit+1): Don't sign-extend LOW.
18781 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18783 (*double_shori): Fix the split condition. Use GEN_INT instead
18784 of get_int_mode calls. Mask lower 16-bit of the argument of
18786 (sym2GOTPLT): Remove.
18787 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18789 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18790 instead of EXTRA_CONSTRAINT_C16.
18792 2006-01-07 Ian Lance Taylor <ian@airs.com>
18793 David Edelsohn <edelsohn@gnu.org>
18795 PR rtl-optimization/25662
18796 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18797 for constant operands instead of simplify_gen_binary.
18798 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18799 after trying simplify_binary_operation
18801 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18803 * tree.c (iterative_hash_expr): Hash decls based on UID.
18805 2006-01-06 Eric Christopher <echristo@apple.com>
18807 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18808 (TARGET_UNWIND_EMIT): Fix spelling.
18809 * target.h (gcc_target): Add except_table_label.
18810 * except.c (output_function_exception_table): Use.
18811 * varasm.c (default_emit_except_table_label): New.
18812 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18814 (asm_out): Add here.
18815 * output.h (default_emit_except_table_label): Prototype.
18816 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18817 * config/darwin.c (darwin_emit_except_table_label): Define.
18818 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18820 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18822 PR tree-optimization/18527
18823 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18824 number_of_iterations_special, number_of_iterations_exit):
18825 Move base and step of an iv to a single structure. Add
18826 no_overflow flag, and use it in # of iterations analysis.
18827 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18828 folded_casts argument.
18829 (simple_iv): Pass base and step in a structure. Set no_overflow
18831 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18832 Evaluate expensiveness of computing # of iterations instead of
18833 the final expression.
18834 * tree-scalar-evolution.h (affine_iv): New structure.
18835 (simple_iv): Declaration changed.
18836 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18837 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18838 find_givs_in_stmt): Changed due to simple_iv change.
18840 2006-01-06 Jeff Law <law@redhat.com>
18843 * tree-cfg.c (bsi_replace): Rename final argument from
18844 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18845 change (stmt -> orig_stmt).
18846 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18847 (bsi_remove): Add new argument. Remove EH information
18849 (verify_eh_throw_table_statements): New function.
18850 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18852 * tree-optimize.c (execute_free_cfg_annotations): Verify
18853 the EH throw statement table after removing annotations.
18854 * except.h (verify_eh_throw_table_statements): Prototype.
18855 * tree-flow.h (bsi_remove): Update prototype.
18856 * tree-vrp.c (remove_range_assertions): Add new argument to
18858 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18859 * tree-complex.c (expand_complex_div_wide): Likewise.
18860 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18861 * tree-tailcall.c (eliminate_tailcall): Likewise.
18862 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18863 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18864 * tree-nrv.c (tree_nrv): Likewise.
18865 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18866 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18867 (combine_blocks): Likewise.
18868 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18869 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18870 (cleanup_control_flow): Likewise.
18871 (remove_forwarder_block): Likewise.
18872 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18873 * tree-sra.c (sra_replace): Likewise.
18874 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18875 (forward_propagate_single_use_vars): Likewise.
18876 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18877 * tree-inline.c (expand_call_inline): Likewise.
18878 * tree-vect-transform.c (vect_transform_loop): Likewise.
18879 * tree-outof-ssa.c (rewrite_trees): Likewise.
18880 * tree-cfg.c (make_goto_expr_edges): Likewise.
18881 (cleanup_dead_labels): Likewise.
18882 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18883 (bsi_move_before, bsi_move_after): Likewise.
18884 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18885 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18887 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18890 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18892 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18893 on non gimple variables. Also add checks at the top for decls and
18895 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18897 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18898 and IMAGPART_EXPR for creating MUST_DEFs.
18899 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18900 and NAME_MEMORY_TAG separately from the DECLs.
18902 2006-01-06 Richard Guenther <rguenther@suse.de>
18904 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18905 annotation, if necessary.
18906 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18907 redundant calls to update_stmt.
18908 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18911 2006-01-05 Richard Henderson <rth@redhat.com>
18913 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18915 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18917 * c-typeck.c: Update copyright date.
18919 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18921 * c-typeck.c (build_c_cast): Always warn when casting
18922 from a pointer to an integer of different size, even if
18923 the node was constant.
18925 2006-01-05 Richard Guenther <rguenther@suse.de>
18927 PR tree-optimization/22555
18928 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18929 if one structure field is an array.
18930 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18931 operands even if we found a subvar, but ignore VOPs in this
18933 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18935 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18937 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18939 PR middle-end/24998
18940 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18942 2006-01-05 Richard Guenther <rguenther@suse.de>
18943 Diego Novillo <dnovillo@redhat.com>
18945 * tree-pass.h (TODO_remove_unused_locals): Define.
18946 * gimple-low.c (expand_var_p, remove_useless_vars,
18947 pass_remove_useless_vars): Remove. Update all users.
18948 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18949 (remove_unused_locals): New function.
18950 * tree-flow.h (remove_unused_locals): Declare.
18951 * passes.c (execute_todo): Call remove_unused_locals if
18952 TODO_remove_unused_locals is set.
18953 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18954 * tree-ssa-dce.c (pass_dce): Likewise.
18955 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18957 2006-01-05 Richard Guenther <rguenther@suse.de>
18959 * tree-flow.h (struct fieldoff): Decompose field to
18960 type, size and decl.
18961 * tree-ssa-alias.c (create_sft): Take type as parameter.
18962 (create_overlap_variables_for): Store type, size and decl
18963 in the fieldoff structure.
18964 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18965 of struct fieldoff.
18966 (push_fields_onto_fieldstack): Likewise.
18967 (create_variable_info_for): Likewise. Use offset for the
18968 SFT name if the decl is not available.
18970 2006-01-04 Paul Brook <paul@codesourcery.com>
18972 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18974 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18976 * lambda-code.c (can_put_in_inner_loop): Relax
18978 (can_put_after_inner_loop): New function.
18979 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18980 (perfect_nestify): Change to make copies and modify uses.
18982 2006-01-04 Richard Henderson <rth@redhat.com>
18984 Merge from gomp branch:
18985 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18986 via integer constant.
18987 (pragma_lex): Remove.
18988 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18989 rather than parsing it.
18990 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18991 handle_pragma_extern_prefix): Add %< %> quotes.
18992 (registered_pragmas): New.
18993 (c_register_pragma_1): New.
18994 (c_register_pragma): Use it.
18995 (c_register_pragma_with_expansion): Likewise.
18996 (c_invoke_pragma_handler): New.
18997 (init_pragma): Use cpp_register_deferred_pragma directly for
18999 * c-pragma.h (enum pragma_kind): New.
19000 (pragma_handler): New.
19001 (c_invoke_pragma_handler): Declare.
19002 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19004 * c-common.h (c_common_pch_pragma): Update decl.
19005 * Makefile.in (c-parser.o): Update dependencies.
19006 (GTFILES): Add c-pragma.h.
19007 * c-parser.c (struct c_token): Add pragma_kind.
19008 (struct c_parser): Add in_pragma.
19009 (c_lex_one_token): Always initialize keyword and pragma_kind.
19010 Extract data for CPP_PRAGMA.
19011 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19012 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19013 Don't allow CPP_PRAGMA_EOL if in_pragma.
19014 (c_parser_consume_pragma): New.
19015 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19016 (c_parser_skip_to_end_of_parameter): Likewise.
19017 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19018 (c_parser_skip_to_pragma_eol): New.
19019 (c_parser_external_declaration): Handle CPP_PRAGMA.
19020 (c_parser_compound_statement_nostart): Likewise.
19021 (c_parser_statement_after_labels): Likewise.
19022 (c_parser_pragma): New.
19023 (pragma_lex): Likewise.
19024 (c_parser_pragma_pch_preprocess): New.
19025 (c_parser_new): Merge into ...
19026 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19028 2006-01-04 Jeff Law <law@redhat.com>
19031 * tree-cfg.c (bsi_replace): Remove the original statement
19032 from the EH throw statement table.
19034 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19036 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19037 make the prototype extern "C" and add throw ().
19040 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19041 and pos non-negative and pos + len <= 32.
19042 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19043 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19044 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19047 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19048 as well as sizes not multiple of component size.
19051 * function.c (instantiate_expr): New function.
19052 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19053 walk its DECL_VALUE_EXPR with instantiate_expr.
19055 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19056 DW_OP_deref{,_size} if address isn't going to be added.
19058 2006-01-04 Ben Elliston <bje@au.ibm.com>
19060 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19061 * config/fp-bit.c: Likewise.
19063 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19065 * dominance.c: Add comment about why we use DFS numbering
19068 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19069 Richard Henderson <rth@redhat.com>
19071 Merge from gomp-branch:
19072 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19073 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19075 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19077 PR rtl-optimization/25578
19078 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19079 pass a parameter to simplify_shift_const if changing ASHIFTRT
19082 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19084 * builtins.c (get_builtin_sync_mem): New function.
19085 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19086 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19087 Call get_builtin_sync_mem to generate mem rtx.
19089 2006-01-03 Richard Guenther <rguenther@suse.de>
19092 * stmt.c (add_case_node): Make sure to clear overflow flags
19095 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19097 Merge from gomp-branch.
19098 * config/sparc/sync.md: New file.
19099 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19100 UNSPECV_LDSTUB): New constants.
19101 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19102 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19103 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19106 2006-01-03 Roger Sayle <roger@eyesopen.com>
19108 * combine.c (reg_subword_p): New predicate to test whether the
19109 destination of a set refers to a subword/piece of a register.
19110 (try_combine): Generalize the code to merge the setting of a
19111 pseudo to a constant followed by a set of a subword of that
19112 register to a constant.
19114 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19116 * basic-block.h (control_flow_graph): Change the type of
19117 x_label_to_block_map to VEC(basic_block,gc) *.
19118 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19119 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19121 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19122 VEC(basic_block,heap) *.
19123 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19124 ssa_prop_fini): Adjust the uses of cfg_blocks.
19126 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19128 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19130 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19131 hashing trees instead of a pointer hash.
19132 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19133 compare for MEM_EXPR.
19135 PR rtl-optimization/25130
19136 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19137 when comparing MEMs for GCSE
19139 2006-01-03 Ben Elliston <bje@au.ibm.com>
19141 * targhooks.h (default_decimal_float_supported_p): Declare.
19142 * targhooks.c (default_decimal_float_supported_p): Define.
19143 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19144 `default_decimal_float_supported_p'.
19145 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19147 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19149 * combine.c (apply_distributive_law <SUBREG>): Check
19150 TRULY_NOOP_TRUNCATION.
19152 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19154 * dwarf2out.c (have_switched_text_section): Delete.
19155 (have_multiple_function_sections): New.
19156 (have_location_lists): Make 'bool'.
19157 (add_AT_loc_list): Use 'true' not '1'.
19158 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19159 (output_loc_list): Use have_multiple_function_sections.
19160 (output_ranges): Likewise.
19161 (dwarf2out_begin_function): Set have_multiple_function_sections if
19163 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19164 Check function_section rather than DECL_SECTION_NAME.
19165 (dwarf2out_finish): Use have_multiple_function_sections.
19166 Don't clear have_location_lists.
19168 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19169 Jan Hubicka <jh@suse.cz>
19171 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19172 case of conditional jump jumping to the next instruction.
19173 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19174 cases of conditional jump jumping to the next instruction.
19176 2006-01-02 Jan Hubicka <jh@suse.cz>
19178 * i386.c (*_cost): Add COSTS_N_INSNS.
19179 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19181 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19184 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19186 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19188 * config/arm/arm.c (all_fpus): Fix comment typo.
19189 * config/darwin.c: Likewise.
19190 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19191 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19192 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19194 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19196 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19197 (rs6000_split_compare_and_swapqhi): New.
19198 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19199 (sync_compare_and_swapqhi_internal): New.
19200 * config/rs6000/rs6000-protos.h: Declare.