1 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
5 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
6 * cfgloopmanip.c (update_single_exits_after_duplication,
7 update_single_exit_for_duplicated_loop, loop_version): Ditto.
8 * tree-scalar-evolution.c (get_loop_exit_condition,
9 get_exit_conditions_rec, loop_closed_phi_def,
10 number_of_iterations_in_loop, scev_const_prop): Ditto.
11 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
12 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
14 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
16 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
17 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
18 slpeel_make_loop_iterate_ntimes,
19 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
20 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
22 * tree-if-conv.c (if_convertible_loop_p): Ditto.
23 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
24 vect_analyze_loop_form): Ditto.
25 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
26 can_convert_to_perfect_nest, perfect_nestify): Ditto.
27 * tree-vect-transform.c (vect_create_epilog_for_reduction,
28 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
29 vect_transform_loop): Ditto.
30 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
31 (single_exit, set_single_exit): New functions.
32 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
33 (single_exit, set_single_exit): Declare.
34 * doc/loop.texi: Undocument single_exit field. Document single_exit
37 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
39 PR tree-optimization/29902
40 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
41 any involved ssa name appears in abnormal phi node.
43 2006-11-21 Bob Wilson <bob.wilson@acm.org>
45 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
46 (xtensa_const_ok_for_letter_p): Delete.
47 (xtensa_extra_constraint): Delete.
48 (override_options): Delete xtensa_char_to_class initialization.
49 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
50 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
51 (EXTRA_CONSTRAINT): Delete.
52 * config/xtensa/xtensa.md: Include constraints.md.
53 (call_internal): Combine alternatives.
54 (call_value_internal): Likewise, and remove invalid constraints.
55 * config/xtensa/constraints.md: New file.
56 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
57 (xtensa_extra_constraint): Delete.
58 * doc/md.texi (Machine Constraints): Refer to constraints.md for
61 2006-11-21 Janis Johnson <janis187@us.ibm.com>
63 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
64 of conversion that doesn't fit.
66 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
67 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
68 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
70 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
72 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
74 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
76 2006-11-21 Richard Guenther <rguenther@suse.de>
78 * tree-vectorizer.h (NUM_PATTERNS): Increase.
79 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
80 vect_recog_pow_pattern.
81 (vect_recog_pow_pattern): New function.
83 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
85 * config/bfin/bfin.opt (mstack-check-l1): New.
86 * doc/invoke.texi (Blackfin Options): Document it.
87 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
88 stack bounds in L1 memory if the new option is enabled.
89 (override_options): Don't allow combinations of -fstack-limit and
91 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
94 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
96 (bfin_register_move_cost): Bump costs if trying to move plain
97 integer values through accumulators.
99 2006-11-21 Ben Elliston <bje@au.ibm.com>
101 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
103 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
104 Russell Olsen <Russell_Olsen@playstation.sony.com>
105 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
106 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
107 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
108 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
109 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
111 * config.gcc: Add target for SPU.
112 * config/spu/constraints.md: New file.
113 * config/spu/crt0.c: New file.
114 * config/spu/crtend.c: New file.
115 * config/spu/crti.asm: New file.
116 * config/spu/crtn.asm: New file.
117 * config/spu/float_unsdidf.c: New file.
118 * config/spu/float_unssidf.c: New file.
119 * config/spu/predicates.md: New file.
120 * config/spu/spu-builtins.def: New file.
121 * config/spu/spu-builtins.h: New file.
122 * config/spu/spu-builtins.md: New file.
123 * config/spu/spu-c.c: New file.
124 * config/spu/spu-elf.h: New file.
125 * config/spu/spu-modes.def: New file.
126 * config/spu/spu-protos.h: New file.
127 * config/spu/spu.c: New file.
128 * config/spu/spu.h: New file.
129 * config/spu/spu.md: New file.
130 * config/spu/spu.opt: New file.
131 * config/spu/spu_internals.h: New file.
132 * config/spu/spu_intrinsics.h: New file.
133 * config/spu/spu_mfcio.h: New file.
134 * config/spu/t-spu-elf: New file.
135 * config/spu/vec_types.h: New file.
136 * config/spu/vmx2spu.h: New file.
137 * doc/contrib.texi: Document SPU contributor.
138 * doc/extend.texi: Document SPU extensions.
139 * doc/invoke.texi: Document SPU options.
140 * doc/md.texi: Document SPU constraints.
142 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
144 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
146 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
148 (flow_loop_dump): Do not dump loop level.
149 (flow_loops_find): Do not call flow_loops_level_compute.
150 * cfgloop.h (struct loop): Remove level field.
152 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
154 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
155 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
156 Use vector of edges instead of array.
157 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
158 estimate_numbers_of_iterations_loop): Ditto.
159 * predict.c (predict_loops): Ditto.
160 * loop-unroll.c (analyze_insns_in_loop): Ditto.
161 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
163 * basic-block.h: Declare heap allocation for edge vectors.
164 * tree-outof-ssa.c: Ditto.
165 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
166 * cfgloop.h (get_loop_exit_edges): Declaration changed.
168 2006-11-20 Zack Weinberg <zackw@panix.com>
170 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
171 Add another out parameter, "skip".
172 (set_gc_used_type): Adjust calls to process_gc_options. If a field
173 is tagged "skip", do not mark its type used.
175 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
178 * tree-sra.c (single_scalar_field_in_record_p): New function.
179 (decide_block_copy): Use it.
181 2006-11-20 David Daney <ddaney@avtrex.com>
183 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
184 PC to point to following instruction.
186 2006-11-20 Anatoly Sokolov <aesok@post.ru>
190 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
192 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
194 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
196 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
197 Add sh/superh.h to tm_file.
199 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
200 Mark Mitchell <mark@codesourcery.com>
202 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
204 (cpp_relocated): New function.
205 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
207 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
208 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
209 replace configured prefix with gcc_exec_prefix.
211 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
213 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
214 bfin_legitimate_constant_p.
215 * config/bfin/bfin.md (movsi expander): Check return value of
217 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
218 (expand_move): Adjust prototype.
219 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
220 invalid constants specially.
221 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
223 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
225 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
226 sibcall_value_symbol): Allow these patterns if
227 TARGET_LEAF_ID_SHARED_LIBRARY.
228 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
229 (override_options): Turn on id shared library flags if -msep-data,
230 but disallow the combination of these options on the command line.
231 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
232 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
233 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
235 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
236 * doc/invoke.texi (Blackfin Options): Document new switches.
238 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
239 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
241 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
242 inflate costs for addresses with an out-of-bounds address.
244 2006-11-19 Andrew Pinski <pinskia@gmail.com>
247 * fwprop.c (loops): Remove.
248 (forward_propagate_into): Use current_loops instead of
250 (fwprop_init): Call loop_optimizer_init instead of
252 (fwprop_done): Call loop_optimizer_finalize instead of
254 (fwprop): Use current_loops instead of loops.
256 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
259 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
261 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
264 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
265 larger than BITS_PER_WORD.
267 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
271 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
272 to MAX_FIXED_MODE_SIZE.
274 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
276 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
277 (fold_builtin_fmin_fmax): New.
278 (fold_builtin_1): Use it.
280 * fold-const.c (fold_strip_sign_ops): Handle copysign.
282 2006-11-18 Richard Guenther <rguenther@suse.de>
284 * config/i386/i386.c (ix86_builtins): New array for ix86
285 builtin function decls.
286 (def_builtin): New function.
287 (def_builtin_const): Likewise.
288 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
290 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
292 * doc/invoke.texi (core2): Add item.
294 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
296 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
297 (TARGET_CPU_DEFAULT_generic): Change value.
298 (TARGET_CPU_DEFAULT_NAMES): Add core2.
299 (processor_type): Add new constant PROCESSOR_CORE2.
301 * config/i386/i386.md (cpu): Add core2.
303 * config/i386/i386.c (core2_cost): New initialized variable.
304 (m_CORE2): New macro.
305 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
306 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
307 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
308 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
309 x86_partial_reg_dependency, x86_memory_mismatch_stall,
310 x86_accumulate_outgoing_args, x86_prologue_using_move,
311 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
312 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
313 x86_use_incdec, x86_four_jump_limit, x86_schedule,
314 x86_pad_returns): Add m_CORE2.
315 (override_options): Add entries for Core2.
316 (ix86_issue_rate): Add case for Core2.
318 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
320 * doc/invoke.texi: Fix mno-isel typo.
322 2006-11-18 Joseph Myers <joseph@codesourcery.com>
324 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
325 easy vector constant loads.
327 2006-11-18 Joseph Myers <joseph@codesourcery.com>
329 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
330 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
331 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
332 * config/rs6000/sync.md (lwsync): Emit plain sync if
335 2006-11-17 DJ Delorie <dj@redhat.com>
337 * reload1.c (reloads_unique_chain): New.
338 (reloads_conflict): Call it.
340 2006-11-17 Bob Wilson <bob.wilson@acm.org>
342 * config/xtensa/predicates.md (addsubx_operand): New.
343 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
344 (xtensa_emit_bit_branch): New.
345 (xtensa_emit_movcc): New.
346 * config/xtensa/xtensa.md (any_minmax): New code macro.
347 (minmax): New code attribute.
348 (any_cond, any_scc, any_scc_sf): New code macros.
349 (*addx2, *addx4, *addx8): Delete.
351 (*subx2, *subx4, *subx8): Delete.
353 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
354 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
355 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
356 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
357 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
358 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
359 (movsfcc_internal0, movsfcc_internal1): Likewise.
360 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
361 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
362 (xtensa_emit_bit_branch): New.
363 (xtensa_emit_movcc): New.
364 (function_arg_boundary): Add missing prototype.
366 2006-11-17 Bob Wilson <bob.wilson@acm.org>
368 * config/xtensa/xtensa.md (tstsi): Delete
370 2006-11-17 Bob Wilson <bob.wilson@acm.org>
372 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
374 2006-11-17 Bob Wilson <bob.wilson@acm.org>
376 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
378 2006-11-17 Bob Wilson <bob.wilson@acm.org>
380 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
382 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
384 * tree-vrp.c (execute_vrp): Do not update current_loops.
385 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
386 * doc/loop.texi: Remove documentation for cancelled functions.
387 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
388 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
390 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
391 (remove_path): Ensure that in delete_basic_blocks, the loops
393 (add_loop): Work on valid loop structures.
394 (loopify): Modify call of add_loop.
395 (mfb_update_loops): Removed.
396 (create_preheader): Do not update loops explicitly.
397 (force_single_succ_latches, loop_version): Do not use
398 loop_split_edge_with.
399 (loop_split_edge_with): Removed.
400 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
401 Do not use bsi_insert_on_edge_immediate_loop.
402 (split_loop_exit_edge, tree_unroll_loop): Do not use
403 loop_split_edge_with.
404 (bsi_insert_on_edge_immediate_loop): Removed.
405 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
406 use loop_split_edge_with.
407 * cfghooks.c: Include cfgloop.h.
408 (verify_flow_info): Verify that loop_father is filled iff current_loops
410 (redirect_edge_and_branch_force, split_block, delete_basic_block,
411 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
413 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
415 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
416 loop_split_edge_with.
417 (sms_schedule): Use current_loops.
418 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
419 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
421 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
422 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
423 * ifcvt.c (if_convert): Ditto.
424 * predict.c (predict_loops): Do not clear current_loops.
425 (tree_estimate_probability): Use current_loops.
426 (propagate_freq): Receive head of the region to propagate instead of
428 (estimate_loops_at_level): Do not use shared to_visit bitmap.
429 (estimate_loops): New function. Handle case current_loops == NULL.
430 (estimate_bb_frequencies): Do not allocate tovisit. Use
432 * tree-ssa-loop.c (current_loops): Removed.
433 (tree_loop_optimizer_init): Do not return loops.
434 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
435 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
436 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
437 Do not update loops explicitly.
438 * function.h (struct function): Add x_current_loops field.
439 (current_loops): New macro.
440 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
441 * loop-unroll.c (split_edge_and_insert): New function.
442 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
443 use loop_split_edge_with.
444 * loop-doloop.c (add_test, doloop_modify): Ditto.
445 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
446 * cfglayout.c (copy_bbs): Do not update loops explicitly.
447 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
448 * tree-vect-transform.c (vect_transform_loop): Do not update loops
450 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
451 (flow_loops_free): Do not free dfs_order and rc_order.
452 (flow_loops_find): Do not set dfs_order and rc_order in loops
453 structure. Do not call loops and flow info verification.
454 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
455 already belongs to some loop.
456 * cfgloop.h (struct loops): Remove struct cfg.
457 (current_loops, loop_split_edge_with): Declaration removed.
458 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
459 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
461 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
462 * basic-block.h (split_edge_and_insert): Declare.
463 * tree-cfg.c (remove_bb): Do not update loops explicitly.
465 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
467 PR tree-optimization/29801
468 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
469 (get_default_value): Use get_symbol_constant_value.
470 (set_lattice_value): ICE when the value of the constant is
472 (visit_assignment): Ignore VDEFs of read-only variables.
474 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
476 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
478 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
479 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
481 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
483 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
484 select subvars of var.
486 2006-11-17 Jakub Jelinek <jakub@redhat.com>
489 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
490 optimize if DEF doesn't have integral type.
492 2006-11-16 Mike Stump <mrs@apple.com>
494 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
495 pre-darwin9 system, unless the user asks for it directly.
496 (PREFERRED_DEBUGGING_TYPE): Likewise.
497 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
498 * config.gcc: Add suppport for darwin9.h.
499 * config/darwin9.h: Add.
500 * doc/install.texi (Specific): Clarify darwin documentation.
502 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
504 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
507 2006-11-16 Mike Stump <mrs@apple.com>
509 * Makefile.in (targhooks.o): Add $(OPTABS_H).
511 2006-11-16 Dirk Mueller <dmueller@suse.de>
513 * tree-vrp.c (get_value_range): Use XCNEW instead
515 (insert_range_assertions): Use XCNEWVEC instead
516 of XNEWVEC and memset.
517 (vrp_initialize): Same.
518 (vrp_finalize): Same.
519 * tree-ssa-ccp.c (ccp_initialize): Same.
520 * predict.c (tree_bb_level_predictions): Same.
521 * calls.c (expand_call): Same.
522 * tree-ssa-copy.c (init_copy_prop): Same.
523 (fini_copy_prop): Same.
524 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
525 of GGC_NEW and memset.
527 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
530 * gimplify.c (gimplify_expr): Only force a load for references to
531 non-BLKmode volatile values.
532 * doc/implement-c.texi (Qualifiers implementation): Document the
533 interpretation of what a volatile access is.
534 * doc/extend.texi (C++ Extensions): Rework same documentation.
536 2006-11-16 Joseph Myers <joseph@codesourcery.com>
538 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
541 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
543 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
545 (arm_neg_abssi2): Renamed from neg_abssi2.
546 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
548 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
550 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
551 number of arguments passed to local functions in SSE registers is 3.
553 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
554 number of arguments passed in SSE registers to 3.
556 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
559 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
561 (get_last_bb_insn): ... new global function.
562 (basic_block.h): Declare it.
563 * haifa-sched.c (create_recovery_block): Use it.
565 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
568 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
570 2006-11-15 Paul Brook <paul@codesourcery.com>
572 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
573 _Unwind_GetTextRelBase): Move from here ...
574 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
575 _Unwind_GetTextRelBase): ... To here.
577 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
579 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
580 addresses we generate for testing are aligned.
582 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
585 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
586 to what is the const decl is a place holder for.
588 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
590 * config/i386/i386.opt: New target option -mx87regparm.
592 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
593 and float_in_x87 variables. mmx_words, sse_words: Remove.
594 (X87_REGPARM_MAX): Define.
596 * config/i386/i386.c (override_options): Error out for
597 -mx87regparm but no 80387 support.
598 (ix86_attribute_table): Add x87regparm.
599 (ix86_handle_cconv_attribute): Update comments for x87regparm.
600 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
601 (ix86_function_x87regparm): New function.
602 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
604 (init_cumulative_args): Initialize x87_nregs and float_in_x87
606 (function_arg_advance): Process x87_nregs and x87_regno when
607 floating point argument is to be passed in 80387 register.
608 (function_arg): Pass XFmode arguments in 80387 registers for local
609 functions. Pass SFmode and DFmode arguments to local functions
610 in 80387 registers when flag_unsafe_math_optimizations is set.
612 * reg-stack.c (convert_regs_entry): Disable NaN load for
613 stack registers that are used for argument passing.
615 * doc/extend.texi: Document x87regparm function attribute.
616 * doc/invoke.texi: Document -mx87regparm.
618 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
620 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
621 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
622 arg MODE; all callers changed. Use it to determine validity per
623 machine mode instead of using Pmode for all memory references.
624 (get_address_cost): Likewise add and use new arg MEM_MODE.
626 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
627 J"orn Rennecke <joern.rennecke@st.com>
629 * combine.c (likely_spilled_retval_1): Fix masking operation.
630 (likely_spilled_retval_p): Use proper pattern for call to
631 likely_spilled_retval_1.
633 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
635 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
637 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
638 that tests for CONSTANT_POOL_ADDRESS_P.
640 2006-11-15 Jakub Jelinek <jakub@redhat.com>
642 PR tree-optimization/29581
643 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
644 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
645 type is different between Y and USE, create a temporary
646 variable, initialize it at the beginning of the body bb
647 and use it as replacement instead of Y.
649 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
652 * gimplify.c (fold_indirect_ref_rhs): Use
653 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
655 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
657 * expmed.c (emit_store_flag_1): New function.
658 (emit_store_flag): Call it. If we can't find a suitable scc insn,
660 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
661 Use do_compare_rtx_and_jump.
662 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
663 * arm.md (cstoresi4): New define_expand.
664 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
665 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
666 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
668 2006-11-14 Caroline Tice <ctice@apple.com>
670 * dwarf2out.c (debug_pubtypes_section): New static global variable.
671 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
673 (pubname_table): Redefine as a vector.
674 (pubtype_table): New static global variable, defined as a vector.
675 (pubname_table_allocated): Remove static global variable.
676 (pubname_table_in_use): Remove static global variable.
677 (PUBNAME_TABLE_INCREMENT): Remove constant.
678 (size_of_pubnames): Add parameter to deal with either pubnames or
679 pubtypes, and change code to deal with table being a vector.
680 (add_pubname): Change to deal with table being a vector.
681 (add_pubtype): New function.
682 (output_pubnames): Add parameter to deal with either pubnames or
683 pubtypes, and change code to deal with table being a vector.
684 (gen_array_type_die): Add call to add_pubtype.
685 (gen_enumeration_type_die): Add call to add_pubtype.
686 (gen_struct_or_union_type_die): Add call to add_pubtype.
687 (gen_subroutine_type_die): Add call to add_pubtype.
688 (gen_typedef_die): Add call to add_pubtype.
689 (dwarf2out_init): Add code to initialize pubname_table and
690 pubtype_table vectors; also initialize debug_pubtypes_section.
691 (prune_unused_types): Change to deal with pubnames being a vector.
692 (dwarf2out_finish): Change to deal with pubnames being a vector; add
693 pubnames table to call to output_pubnames; Add code to output pubtypes
694 table if DEBUG_PUBTYPES_SECTION is defined.
695 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
697 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
699 2006-11-14 Joseph Myers <joseph@codesourcery.com>
701 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
702 iwmmxt_nregs if TARGET_IWMMXT_ABI.
703 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
704 movv2si_internal): Support moves between core registers.
706 2006-11-14 Eric Christopher <echristo@apple.com>
708 * configure: Regenerate with autoconf 2.59.
710 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
712 Fix PR tree-optimization/27755
714 * tree-ssa-pre.c: Update comments.
715 (bb_bitmap_sets): Add pa_in and deferred member.
716 (BB_DEFERRED): New macro.
717 (maximal_set): New variable.
718 (pre_stats): Add pa_insert member.
719 (bitmap_set_and): Short circuit orig == dest.
720 (bitmap_set_subtract_values): New function.
721 (bitmap_set_contains_expr): Ditto.
722 (translate_vuses_through_block): Add phiblock argument.
723 (dependent_clean): New function.
724 (compute_antic_aux): Update for maximal_set changes.
725 (compute_partial_antic_aux): New function.
726 (compute_antic): Handle partial anticipation.
727 (do_partial_partial_insertion): New function.
728 (insert_aux): Handle partial anticipation.
729 (add_to_sets): Add to maximal set.
730 (compute_avail): Ditto.
731 (init_pre): Initialize maximal_set.
732 (execute_pre): Do partial anticipation if -O3+.
734 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
736 PR rtl-optimization/29798
738 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
739 TARGET_INSN before any other check.
740 (fwprop_init): Always calculate dominators.
741 (fwprop_done): Always free them.
743 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
745 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
748 2006-11-13 DJ Delorie <dj@redhat.com>
750 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
751 temporary for intermediates.
753 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
755 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
756 (sh_optimize_target_register_callee_saved): #if 0 the code
757 using NOTE_INSN_LOOP_{BEG,END}.
759 2006-11-13 Roger Sayle <roger@eyesopen.com>
761 * fold-const.c (optimize_bit_field_compare): Recursively call
762 fold when simplifying non-constant comparisons between bit-fields.
764 2006-11-13 Jakub Jelinek <jakub@redhat.com>
766 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
768 * configure: Rebuilt.
770 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
772 * config/rs6000/cell.md: New file.
773 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
775 (ppccell_cost): New cost matrix.
776 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
777 (rs6000_override_options): Set rs6000_always_hint to false
778 for cell. Also align functions/lables/loops to 8byte
779 for the Cell. Use PROCESSOR_CELL.
780 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
782 (rs6000_variable_issue): If the insn is a nonpipelined instruction
783 on the Cell, return 0.
784 (rs6000_adjust_cost): Add Cell cost adjustments.
785 (is_microcoded_insn): Return true for Cell microcoded
787 (is_nonpipeline_insn): New function.
788 (rs6000_issue_rate): Add PROCESSOR_CELL.
789 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
791 (rs6000_use_sched_lookahead_guard): New function.
792 (rs6000_sched_reorder): Reorder the ready list, if the second
793 to last ready insn is a nonepipeline insn on the Cell.
794 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
795 (ASM_CPU_SPEC): Add Cell.
796 * config/rs6000/rs6000.md (cpu): Add Cell.
797 (cell_micro): New Attr.
800 2006-11-13 Jakub Jelinek <jakub@redhat.com>
802 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
804 * configure: Rebuilt.
806 2006-11-13 Richard Guenther <rguenther@suse.de>
808 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
810 (ix86_expand_lfloorceil): Likewise.
811 (ix86_expand_rint): Likewise.
812 (ix86_expand_floorceildf_32): Likewise.
813 (ix86_expand_floorceil): Likewise.
814 (ix86_expand_rounddf_32): Likewise.
815 (ix86_expand_truncdf_32): Likewise.
816 (ix86_expand_round): Likewise.
818 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
819 Mark Mitchell <mark@codesourcery.com>
821 * gcc.c: Organize search path variables into $prefix relative,
822 and well-known native. Add comments.
823 (add_sysrooted_prefix): Add comment.
824 (process_command): If !gcc_exec_prefix add $prefix based paths.
825 If *cross_compile == '0', add native well-known paths.
826 Assert tooldir_base_prefix is always relative.
827 (main): If print_search_dirs, and if gcc_exec_prefix is set,
828 use this value for 'install:' path.
829 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
831 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
833 * config/i386/i386.c: Fix a typo in comment.
835 2006-11-13 Michael Matz <matz@suse.de>
837 * genemit.c (gen_expand): Allocate enough memory.
839 2006-11-13 Joseph Myers <joseph@codesourcery.com>
841 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
842 __GXX_TYPEINFO_EQUALITY_INLINE but not
843 __GXX_MERGED_TYPEINFO_NAMES.
844 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
845 __GXX_MERGED_TYPEINFO_NAMES.
846 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
847 __GXX_TYPEINFO_EQUALITY_INLINE.
849 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
850 Zdenek Dvorak <dvorakz@suse.cz>
852 PR tree-optimization/29680
853 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
856 2006-11-12 Jason Merrill <jason@redhat.com>
857 Andrew Pinski <pinskia@physics.uc.edu>
860 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
862 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
864 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
865 * tree.c (build_vector): Handle non-_CST elements.
867 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
869 * genemit.c (gen_insn): Call gen_exp with a non-null used
870 when handling multiple insns.
871 (gen_expand): Likewise.
872 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
873 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
874 (movsi_const_16bit+1): Copy operands[1].
875 (call_pcrel): Copy the call_site pattern.
876 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
878 2006-11-12 Roger Sayle <roger@eyesopen.com>
880 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
881 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
882 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
883 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
885 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
887 Fix PR tree-optimization/29587
888 * tree-ssa-structalias.c (process_constraint): Don't
889 mark address taken due only to escaped vars constraint.
891 2006-11-12 Michael Matz <matz@suse.de>
892 Roger Sayle <roger@eyesopen.com>
894 PR rtl-optimization/29797
895 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
896 BITS_BIG_ENDIAN targets.
898 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
900 * builtins.c (fold_builtin_cosh): New.
901 (fold_builtin_1): Use it.
902 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
903 trunc to the list of "odd" functions. Also add llrint, lrint,
904 rint and nearbyint when flag_rounding_math is false.
906 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
908 * tree-flow.h (name_mappings_registered_p): Declare.
909 * tree-into-ssa.c (name_mappings_registered_p): New function.
910 * tree-cfg.c (tree_can_merge_blocks_p): Check
911 name_mappings_registered_p instead of need_ssa_update_p.
913 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
915 * tree-ssa-loop.c (tree_vectorize): Return the result of
917 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
919 * tree-vectorizer.h (vectorize_loops): Declaration removed.
920 * tree-flow.h (vectorize_loops): Declaration changed.
922 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
924 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
926 (issue_prefetch_ref): Move assignment to write_p out of loop.
927 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
928 SIMULTANEOUS_PREFETCHES into account.
929 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
930 * lambda-code.c (lcm): Renamed to ...
931 (least_common_multiple): ... and exported.
932 * tree-flow.h (least_common_multiple): Declare.
934 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
936 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
937 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
938 ud-chains. Handle AND_EXPR.
939 (record_estimate): Record whether the estimate is realistic
940 and whether it is derived from a loop exit.
941 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
942 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
944 (compute_estimated_nb_iterations): Take only realistic bounds into
945 account. Set estimate_state. Use double_ints.
946 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
947 and infer_loop_bounds_from_signedness. Do not consider basic blocks
948 that do not have to be always executed.
949 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
950 to determine whether to call infer_loop_bounds_from_undefined
951 and compute_estimated_nb_iterations.
952 (n_of_executions_at_most): Use double_ints.
953 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
954 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
955 * double-int.c (double_int_to_tree): Improve comment.
956 (double_int_fits_to_tree_p): New function.
957 * double-int.h (double_int_fits_to_tree_p): Declare.
958 * tree-data-ref.c: Include langhooks.h.
959 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
960 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
961 (analyze_array): Do not pass estimate_only argument to
962 analyze_array_indexes.
963 (get_number_of_iters_for_loop): Build tree from the stored double_int
965 (get_references_in_stmt, find_data_references_in_stmt): New functions.
966 (find_data_references_in_loop): Use find_data_references_in_stmt.
967 * tree-data-ref.h (struct data_ref_loc_d): New.
968 (get_references_in_stmt): Declare.
969 (estimate_iters_using_array): Declaration removed.
970 * cfgloop.h (struct nb_iter_bound): Change type of bound to
971 double_int. Improve comments. Add is_exit and realistic
973 (struct loop): Changed type of estimated_nb_iterations to double_int.
974 Added estimate_state field.
975 (record_estimate): Declaration removed.
977 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
979 * params.c (set_param_value): Initialize the "set" field.
980 * params.h (struct param_info): Add "set" field.
981 (PARAM_SET_P): New macro.
982 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
983 L1_CACHE_LINE_SIZE): New macros.
984 * toplev.c (DEFPARAM): Initialize the "set" field.
985 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
986 SIMULTANEOUS_PREFETCHES): Removed.
987 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
988 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
989 * config/sparc/sparc.c: Include params.h.
990 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
991 L1_CACHE_LINE_SIZE parameters.
992 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
994 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
996 * config/i386/i386.c: Include params.h.
997 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
998 (override_options): Set SIMULTANEOUS_PREFETCHES and
999 L1_CACHE_LINE_SIZE parameters.
1000 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1001 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1002 L1_CACHE_LINE_SIZE parameters.
1003 * config/ia64/ia64.c (ia64_optimization_options): Set
1004 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1005 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1007 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1008 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1009 * doc/invoke.texi: Document new params.
1011 2006-11-12 Roger Sayle <roger@eyesopen.com>
1013 PR tree-optimization/13827
1014 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1017 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1019 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1020 update_single_exit_for_duplicated_loops): New functions.
1021 (duplicate_loop_to_header_edge): Use
1022 update_single_exit_for_duplicated_loops.
1023 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1024 functions only with ENABLE_CHECKING.
1026 2006-11-12 Andreas Schwab <schwab@suse.de>
1028 * except.c (sjlj_emit_function_enter): Remove unused variable.
1030 2006-11-11 Roger Sayle <roger@eyesopen.com>
1032 * fold-const.c (int_binop_types_match_p): New function.
1033 (size_binop): Relax constraint that both arguments must both have
1034 exactly the same sizetype type. Instead use int_binop_types_match_p.
1035 (size_diffop): Likewise.
1037 (make_range): Use build_int_cst instead of fold_convert.
1038 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1039 integer constants of the correct type.
1040 (fold_div_compare): Likewise.
1041 (fold_single_bit_test): Likewise.
1042 (fold_binary): Likewise.
1043 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1044 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1046 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1049 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1050 non null value if the struct memory access is in the 0th
1053 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1056 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1057 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1060 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1061 instead of builtin_define for bfin and BFIN.
1063 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1065 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1068 2006-11-11 Jan Hubicka <jh@suse.cz>
1070 * extended.texi (__builtin_expect): We no longer require second argument
1072 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1073 * builtins.c (expand_builtin_expect): Simplify.
1074 (expand_builtin_expect_jump): Kill.
1075 * final.c (final_scan_insn): Do not skip the removed notes.
1076 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1077 EXPECTED_VALUE): Remove.
1078 * dojump.c (do_jump): Do not care about __builtin_expect.
1079 * predict.c (expected_value_to_br_prob): Kill.
1080 * function.c (expand_function_end): Do not expand
1081 NOTE_INSN_REPEATED_LINE_NUMBER.
1082 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1083 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1084 * cfgexpand.c (add_reg_br_prob_note): Export.
1085 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1086 expected_value_to_br_prob.
1087 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1088 * rtl.h (add_reg_br_prob_note): Declare.
1090 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1092 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1094 2006-11-11 Jan Hubicka <jh@suse.cz>
1096 * predict.c (predict_loops): Kill RTL variant.
1098 2006-11-11 Jan Hubicka <jh@suse.cz>
1100 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1101 * modulo-sched.c (find_line_note): Remove.
1102 (loop_canon_p): Do not worry about line number notes.
1103 (sms_schedule): Likewise.
1104 * cse.c (cse_main): Likewise.
1105 * regmove.c (fixup_match_1): Likewise
1106 * function.c (emit_return_info_block): Likewise.
1107 (expand_function_end): Likewise.
1108 (thread_prologue_an_epilogue_insns): Likewise.
1109 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1111 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1112 emit_note_copy_after): Kill.
1113 (emit_note_copy): Do not worry about line numbers.
1114 * jump.c (purge_line_number_notes): Kill.
1115 (pass_purge_lineno_notes): Kill.
1116 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1118 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1119 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1120 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1121 * tree-pass.h (pass_purge_lineno_notes): Kill.
1122 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1123 rm_redundant_line_notes.
1124 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1125 rm_redundant_line_notes.
1126 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1127 * haifa-sched.c: Update comment about handling notes.
1128 (unlink_line_notes): Kill.
1129 (rm_line_notes): Kill.
1130 (save_line_notes): Simplify.
1131 (rm_redundant_line_notes): Kill.
1133 2006-11-11 Richard Guenther <rguenther@suse.de>
1135 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1136 Remove unused tree codes.
1137 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1138 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1139 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1140 * tree.c (stabilize_reference): Likewise.
1141 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1142 fold_unary): Likewise.
1143 * tree-gimple.c (is_gimple_cast): Likewise.
1144 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1145 * expr.c (expand_expr_real_1): Likewise.
1146 * tree-eh.c (tree_could_trap_p): Likewise.
1147 * gimplify.c (gimplify_expr): Likewise.
1148 * tree-inline.c (estimate_num_insns_1): Likewise.
1149 * tree-cfg.c (verify_expr): Likewise.
1151 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1153 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1154 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1155 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1157 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1160 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1161 constraints accept neither registers or memories.
1163 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1165 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1166 (NO_PROFILE_COUNTERS): Define as 1.
1168 2006-11-10 Roger Sayle <roger@eyesopen.com>
1170 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1171 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1173 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1175 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1177 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1179 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1180 (fold_builtin_hypot): Likewise.
1181 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1183 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1185 2006-11-10 Roger Sayle <roger@eyesopen.com>
1187 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1188 when attempting to build INTEGER_CSTs of non-integral types.
1189 * expmed.c (make_tree): Use the correct type, i.e. the inner
1190 type, when constructing the individual elements of a CONST_VECTOR.
1192 2006-11-10 Jan Hubicka <jh@suse.cz>
1194 * cse.c (cse_process_notes): Copy the propagated value.
1195 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1197 * gcse.c (try_replace_reg): Copy the replacement.
1198 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1199 (assign_386_stack_local): Always return copied memory expression
1200 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1203 2006-11-10 Jan Hubicka <jh@suse.cz>
1205 * final.c (final): Walk from first instruction.
1206 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1208 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1211 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1213 (umulv8hi3_highpart): Ditto.
1214 (vec_widen_smult_hi_v8hi): New expander.
1215 (vec_widen_smult_lo_v8hi): Ditto.
1217 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1220 * builtins.c (do_mpfr_arg3): New.
1221 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1223 2006-11-09 Eric Christopher <echristo@apple.com>
1228 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1229 * config.gcc (powerpc64-*-darwin*): New target.
1230 * config.host: Ditto.
1231 * config/rs6000/darwin64.h: New file.
1232 * config/rs6000/x-darwin64: Ditto.
1233 * config/rs6000/host-ppc64-darwin.c: Ditto.
1235 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1237 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1238 routines for integer division.
1240 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1242 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1244 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1247 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1249 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1251 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1252 simplify_subreg with BLKmode outer mode.
1254 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1256 * doc/invoke.texi: Minor formatting fixes in option lists.
1258 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1260 PR tree-optimization/29738
1261 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1262 (ccp_lattice_t): Remove UNKNOWN_VAL.
1263 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1264 Do not handle UNKNOWN_VAL.
1265 (get_default_value): Set initial value of virtual operands to
1267 (get_value): Always use get_default_value on uninitialized
1269 (set_value_varying, surely_varying_stmt_p): New functions.
1270 (set_lattice_value): Do not pass argument to get_value.
1271 Do not handle UNKNOWN_VAL.
1272 (likely_value): Follow the semantics described in the comment.
1273 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1274 phi nodes DONT_SIMULATE_AGAIN.
1275 (ccp_fold): Do not pass argument to get_value.
1276 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1279 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1281 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1282 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1284 2006-11-08 Roger Sayle <roger@eyesopen.com>
1286 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1287 test for inclusion rather than as a test for exclusion.
1288 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1289 the condition after calling fold_binary.
1290 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1291 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1292 * builtins.c (fold_builtin_isascii): Likewise.
1293 (fold_builtin_isdigit): Likewise.
1295 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1297 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1298 * configure: Regenerate.
1300 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1302 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1303 enum argument instead of bool.
1304 (vect_analyze_operations): Call vectorizable_type_promotion.
1305 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1306 stmt_vec_info_type value.
1307 (supportable_widening_operation, vectorizable_type_promotion): New
1308 function declarations.
1309 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1310 (vectorizable_type_promotion): New function.
1311 (vect_transform_stmt): Call vectorizable_type_promotion.
1312 * tree-vect-analyze.c (supportable_widening_operation): New function.
1313 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1315 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1318 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1319 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1320 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1322 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1323 * expr.c (expand_expr_real_1): Likewise.
1324 * optabs.c (optab_for_tree_code): Likewise.
1325 (init_optabs): Initialize new optabs.
1326 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1327 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1328 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1329 vec_unpacku_lo_optab): Initialize new optabs.
1330 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1331 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1332 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1334 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1335 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1336 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1337 (vec_unpacku_lo_optab): New optabs.
1338 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1339 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1340 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1341 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1342 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1343 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1345 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1346 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1347 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1348 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1349 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1350 implement the unsigned unpacking patterns.
1351 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1352 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1353 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1354 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1355 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1356 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1357 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1358 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1359 multiplication patterns.
1361 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1362 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1363 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1364 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1365 (rs6000_builtin_mul_widen_odd): New.
1366 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1367 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1368 * tree-vectorizer.h (enum vect_relevant): New enum type.
1369 (_stmt_vec_info): Field relevant chaned from bool to enum
1371 (STMT_VINFO_RELEVANT_P): Updated.
1372 (STMT_VINFO_RELEVANT): New.
1373 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1374 instead of STMT_VINFO_RELEVANT_P.
1375 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1376 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1377 and boolean variable with enum vect_relevant.
1378 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1379 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1380 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1382 2006-11-08 Richard Henderson <rth@redhat.com>
1384 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1385 vec_widen_umult_lo_v8hi): New.
1386 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1387 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1389 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1390 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1391 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1392 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1393 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1394 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1395 vec_unpacks_lo_v4si): New.
1397 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1399 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1400 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1401 (vect_analyze_operations): Call vectorizable_type_demotion.
1402 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1403 stmt_vec_info_type value.
1404 (vectorizable_type_demotion): New function declaration.
1405 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1408 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1409 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1411 * tree-iniline.c (estimate_num_insns_1): Likewise.
1412 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1413 * optabs.c (optab_for_tree_code): Likewise.
1415 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1416 compared against the predicate of the result is not 'mode' (the input
1417 to the function) but a mode with half the size of 'mode'.
1418 (init_optab): Initialize new optabs.
1419 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1421 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1423 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1424 (vec_pack_usat_optab): Initialize new optabs.
1425 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1426 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1428 2006-11-08 Richard Henderson <rth@redehat.com>
1430 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1431 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1432 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1433 (vec_interleave_highv4si, vec_interleave_lowv4si):
1434 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1436 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1438 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1440 (vect_transform_stmt): Removed redundant code.
1442 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1444 * tree-vect-transform.c (vectorizable_operation): Support multiple
1447 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1449 * tree-vect-transform.c (vect_align_data_ref): Removed.
1450 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1451 Updated function documentation. Return the increment stmt in ptr_incr.
1452 (bump_vector_ptr): New function.
1453 (vect_get_vec_def_for_stmt_copy): New function.
1454 (vect_finish_stmt_generation): Create a stmt_info to newly created
1456 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1458 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1459 VF is greater than the number of elements that can fit in one vector
1461 (vectorizable_operation, vectorizable_condition): Likewise.
1462 (vectorizable_store, vectorizable_load): Support the case that the VF
1463 is greater than the number of elements that can fit in one vector word.
1464 (vect_transform_loop): Don't fail in case of multiple data-types.
1465 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1466 in case of multiple data-types; the smallest type determines the VF.
1467 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1468 if they are of different sizes.
1469 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1470 number of elements rather than number of bytes.
1471 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1472 (vect_can_advance_ivs_p): Fix a dump printout
1474 2006-11-07 Eric Christopher <echristo@apple.com>
1476 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1477 (__bswapsi2): Ditto.
1478 * libgcc2.h: Remove transformation of bswap routines.
1479 * config/i386/i386.md (bswapsi2): New.
1482 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1484 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1485 (handle_gnu_inline_attribute): New function.
1486 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1487 (merge_decls, start_decl, start_function): Likewise.
1488 * doc/extend.texi: Document gnu_inline attribute.
1490 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1493 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1494 _fixunstfdi, and _floatditf
1496 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1498 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1500 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1501 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1502 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1503 which start in an odd register.
1505 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1507 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1509 2006-11-07 Josh Conner <jconner@apple.com>
1511 * doc/invoke.texi (fstrict-aliasing): Move implementation
1513 * doc/tree-ssa.texi (Alias analysis): ...here.
1515 2006-11-07 Richard Guenther <rguenther@suse.de>
1517 PR tree-optimization/29610
1518 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1519 of tree_purge_dead_eh_edges as it may free dominators.
1521 * g++.dg/other/pr29610.C: New testcase.
1523 2006-11-07 David Ung <davidu@mips.com>
1525 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1526 costs when optimizing for size.
1527 (override_options): Use mips_rtx_cost_optimize_size table for cost
1530 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1532 * gcc.c (process_command): Treat -b as normal switch if its argument
1535 2006-11-07 David Ung <davidu@mips.com>
1537 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1540 2006-11-06 Eric Christopher <echristo@apple.com>
1542 * config.gcc: Add x86_64-darwin host support.
1543 * config.host: Ditto.
1544 * config/i386/darwin64.h: New file.
1545 * config/i386/t-darwin64: Ditto.
1547 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1549 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1550 and output-exists-not.
1552 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1555 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1556 checking for overflow.
1558 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1560 * configure.ac: Fixed typo in case statement: :: changed to ;;
1562 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1564 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1565 count_leading_zeros, and count_trailing_zeros.
1566 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1567 (TARGET_FOLD_BUILTIN): Define.
1568 (TARGET_EXPAND_BUILTIN): Define.
1569 (xtensa_init_builtins): New.
1570 (xtensa_fold_builtin): New.
1571 (xtensa_expand_builtin): New.
1572 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1573 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1574 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1575 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1576 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1577 (any_extend): New code macro.
1578 (u, su): New code attributes.
1579 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1580 (nsau): Remove; replaced by clzsi2.
1581 (ffssi2): Use clzsi2.
1582 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1583 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1584 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1585 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1586 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1588 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1590 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1592 * config/arm/t-strongarm-elf: Likewise.
1593 * config/arm/t-pe: Likewise.
1594 * config/arm/t-arm-elf: Likewise.
1595 * config/arm/t-xscale-elf: Likewise.
1596 * config/arm/t-arm-coff: Likewise.
1597 * config/arm/t-xscale-coff: Likewise.
1598 * config/arm/t-wince-pe: Likewise.
1600 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1602 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1605 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1608 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1611 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1614 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1615 as a valid 80387 constant.
1616 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1617 * config/i386/i386.md (unnamed splitter): Split the load of
1618 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1621 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1623 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1624 from the soft-frame, argument and virtual registers.
1626 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1628 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1629 patterns for standard 80387 constants.
1631 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1632 Steven Bosscher <steven@gcc.gnu.org>
1634 * fwprop.c: New file.
1635 * Makefile.in: Add fwprop.o.
1636 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1637 * passes.c (init_optimization_passes): Schedule forward propagation.
1638 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1640 * timevar.def (TV_FWPROP): New.
1641 * common.opt (-fforward-propagate): New.
1642 * opts.c (decode_options): Enable forward propagation at -O2.
1643 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1644 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1645 canon_for_address, table_size): Remove.
1646 (new_basic_block, insert, remove_from_table): Remove references to
1648 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1649 simplification loop more straightforward by not calling fold_rtx
1651 (equiv_constant): Move here a small part of fold_rtx_subreg,
1652 do not call fold_rtx. Call avoid_constant_pool_reference
1654 * recog.h (canonicalize_change_group): New.
1656 * doc/invoke.texi (Optimization Options): Document fwprop.
1657 * doc/passes.texi (RTL passes): Document fwprop.
1659 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1661 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1662 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1663 (grokdeclarator): Likewise.
1665 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1667 * tree-dump.c (dump_enable_all): Rename local variable
1668 ir_type to avoid name conflicts.
1669 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1670 instead of using ir_type().
1671 * profile.c (tree_register_profile_hooks): Likewise.
1672 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1673 * basic-block.h (struct edge_def): Likewise.
1674 * config/arm/arm.c (legitimize_pic_address): Likewise.
1675 * coretypes.h (ir_type): New enum of all intermediate languages
1677 * cfghooks.c (ir_type): Rename to...
1678 (current_ir_type): ...this. Distinguish between cfgrtl and
1679 cfglayout mode when the current IR is RTL. Return enum ir_type.
1680 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1682 2006-11-03 Paul Brook <paul@codesourcery.com>
1684 * config/arm/arm.c (arm_file_start): New function.
1685 (TARGET_ASM_FILE_START): Define.
1686 (arm_default_cpu): New variable.
1687 (arm_override_options): Set arm_default_cpu.
1689 2006-11-03 David Ung <davidu@mips.com>
1691 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1692 PROCESSOR_24KC and PROCESSOR_24KF.
1693 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1694 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1695 (mips_rtx_cost_data): Add costs for the 24kc.
1696 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1697 * config/mips/24k.md: Remove references to 24k and replace with
1698 uses of 24kc/24kf in the appropriate reservations.
1699 * doc/invoke.texi (MIPS Options): Updated.
1701 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1703 * config/sh/crt1.asm: Fix #ifdef indent.
1705 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1706 Merged from STMicroelectronics sources:
1707 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1708 * config/sh/crt1.asm (vbr_600): Add missing #if.
1709 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1710 * sh.opt (mfused-madd): New option.
1711 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1712 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1713 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1714 Remove pointless handler at VBR+0.
1715 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1716 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1717 fr7. Make sure the timer handler is called with the correct FPU
1718 precision setting, according to the ABI.
1719 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1720 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1721 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1722 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1723 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1724 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1725 zero as second operand.
1726 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1727 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1728 Fixed some bugs related to negative values, in particular -0
1729 and overflow at -0x80000000.
1730 * config/sh/divcost-analysis: Added sh4-300 figures.
1731 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1732 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1733 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1734 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1735 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1736 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1738 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1740 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1741 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1742 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1743 mac_mem, mem_mac, dfp_mul, fp_cmp.
1744 (insn_class, dfp_comp, any_fp_comp): Update.
1745 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1746 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1747 (muldf3_i): Likewise.
1748 (movsi_i): Split rI08 alternative into two separate alternatives.
1750 (movsi_ie, movsi_i_lowpart): Likewise.
1751 (movqi_i): Split ri alternative into two separate alternatives.
1753 * sh1.md (sh1_load_store, sh1_fp): Update.
1754 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1755 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1756 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1757 (sh4a_fp_double_arith): Likewise.
1758 * sh4-300.md: New file.
1759 * sh.c (sh_handle_option): Handle m4-300* options.
1760 (sh_adjust_cost): Fix latency of auto-increments.
1761 Handle SH4-300 differently than other SH4s. Check for new insn types.
1762 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1763 been set by an option.
1764 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1765 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1766 (mbranch-cost=): Likewise.
1767 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1769 * sh.md (mulsf3): Remove special expansion code.
1770 (mulsf3_ie): Now a define_insn_and_split.
1771 (macsf3): Allow for TARGET_SH4.
1773 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1774 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1775 (expand_cbranchdi4): Likewise.
1776 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1777 CONST_DOUBLE if the outer code is COMPARE.
1778 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1779 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1780 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1781 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1782 Remove redundant fp_{zero,one}_operand checks.
1783 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1784 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1785 (expand_cbranchdi4): Likewise.
1786 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1787 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1789 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1791 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1794 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1796 * doc/invoke.texi: Fix mfp-trap-mode typo.
1798 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1800 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1801 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1802 file_end_indicate_exec_stack.
1803 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1805 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1806 for a non-executable stack.
1807 * crti.asm: Likewise.
1808 * crtn.asm: Likewise.
1809 * libunwind.S: Likewise.
1811 2006-11-02 Ben Elliston <bje@au.ibm.com>
1813 * tree-ssa.c (warn_uninit): Use expand_location variables for
1814 locus and declaration locus.
1816 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1819 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1820 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1821 cmp{eq,gt,gtu}{si,di}_media.
1822 (*cmpne0si_media): Remove.
1823 (*movsicc_umin): Adjust gen_cmp*_media call.
1824 (unordered): Change the mode of unordered and operands[1] to
1826 (seq): Adjust gen_cmp*_media calls. Make the mode of
1827 a temporary result of compare SImode if needed. If the mode
1828 of operands[0] is DImode, extend the temporary result to DImode.
1829 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1830 (sunorderd): Change the mode of match_operand and unorderd to
1832 (cmpeq{sf,df}_media): Remove.
1833 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1834 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1835 and compare operation to SImode.
1837 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1839 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1841 (sparc64-sun-solaris2*): Likewise.
1843 2006-11-02 Paul Brook <paul@codesourcery.com>
1845 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1846 from priority argument. Use different section for non-default
1848 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1850 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1853 * except.c (switch_to_exception_section): Do not cache the section
1854 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1855 and flag_function_sections is set.
1857 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1860 * builtins.c (do_mpfr_sincos): New.
1861 (fold_builtin_1): Use it to fold builtin sincos.
1863 2006-11-01 Roger Sayle <roger@eyesopen.com>
1865 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1866 it into -D_REENTRANT.
1868 2006-11-01 Roger Sayle <roger@eyesopen.com>
1870 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1871 whether the assembler supports taking the difference of symbols in
1872 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1873 * configure: Regenerate.
1874 * config.in: Regenerate.
1875 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1876 the assembler doesn't support taking the difference of symbols in
1877 different sections, i.e. we're using the native solaris assembler.
1879 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1880 Peter Bergner <bergner@vnet.ibm.com>
1882 * doc/invoke.texi: Add cpu_type power6x
1883 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1884 * config.gcc: Add cpu_type power6x.
1885 * configure.ac: Add test for mf{t,f}gpr instructions.
1886 (HAVE_AS_MFPGPR): New.
1887 * config.in: Regenerate.
1888 * configure: Regenerate.
1889 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1890 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1891 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1892 and mftgpr attributes.
1893 (define_attr "cpu"): Add power6.
1894 Change instruction sequences to use new attributes.
1895 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1896 (fix_truncdfsi2_mfpgpr): New.
1897 (floatsidf_ppc64_mfpgpr): New.
1898 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1899 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1900 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1901 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1902 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1903 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1904 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1905 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1906 cntlz,exts and var_delayed_compare.
1907 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1908 _ARCH_PWR6X, if features enabled.
1909 * config/rs6000/rs6000.opt (mmfpgpr): New.
1910 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1911 (cached_can_issue_more): New variable.
1912 (processor_costs): Add power6_cost.
1913 (rs6000_sched_init): New function.
1914 (is_dispatch_slot_restricted): Deleted.
1915 (set_to_load_agen): New function.
1916 (is_load_insn,is_store_insn): New functions.
1917 (adjacent_mem_locations): New function.
1918 (insn_must_be_first_in_group): New function.
1919 (insn_must_be_last_in_group): New function.
1920 (rs6000_sched_reorder): New function.
1921 (rs6000_sched_reorder2): New function.
1922 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1923 TARGET_SCHED_REORDER2): Define.
1924 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1925 Add power6x. Add MASK_MFPGPR for power6x.
1926 (POWERPC_MASKS): Add MASK_MFPGPR.
1927 (rs6000_override_options): Set rs6000_always_hint to false
1928 for power6. Set rs6000_align_branch_targets. Replace
1929 rs6000_sched_groups check with rs6000_align_branch_targets.
1930 Use PROCESSOR_POWER6.
1931 (last_scheduled_insn): New variable.
1932 (load_store_pendulum): New variable.
1933 (rs6000_variable_issue): Set last_scheduled_insn and
1934 cached_can_issue_more.
1935 (rs6000_adjust_cost): Add power6 cost adjustments.
1936 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1937 with insn_must_be_first_in_group. Add power6 priority adjustments.
1938 (rs6000_issue_rate): Add CPU_POWER6.
1939 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1940 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1941 (TARGET_MFPGPR): New.
1942 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1943 (ASM_CPU_SPEC): Add power6x.
1944 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1946 * config/rs6000/power6.md: New file.
1948 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1950 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1951 HOST_WIDE_INT_PRINT to print high and low parts. Use
1952 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1953 printing a hexadecimal number prefix it with 0x.
1955 2006-11-01 Chris Johns <chris@contemporary.net.au>
1958 * Makefile.in (install-driver): Use exeext when installing
1959 $target-gcc-$version.
1961 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1963 * c-common.c (flag_cpp0x): New.
1964 * c-common.h (flag_cpp0x): New.
1965 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1966 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1967 * c-opts.c (set_std_cxx0x): New.
1968 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1969 * c.opt (std=c++0x): Document.
1970 (std=gnu++0x): Ditto.
1971 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1972 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1974 2006-11-01 Richard Guenther <rguenther@suse.de>
1976 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1978 (ix86_expand_floorceildf_32): Likewise.
1979 (ix86_expand_floorceil): Likewise.
1980 (ix86_expand_trunc): Likewise.
1982 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1984 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1987 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1989 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1991 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1993 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1995 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1996 * configure.ac (use_cxa_atexit): As a special case, don't test
1997 for libc definition of __cxa_atexit on mingw32
1998 * configure: Regenerate.
1999 * config.gcc (i[34567]86-pc-mingw32): Default to
2000 enable__cxa_atexit=yes.
2002 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2004 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2006 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2009 * c-decl.c (start_struct): Don't create self-containing
2011 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2013 * config/rs6000/rs6000-protos.h
2014 (darwin_rs6000_special_round_type_align): New.
2015 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2016 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2018 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2020 * toplev.c (compile_file): Call final_write_globals
2021 even if there have been errors.
2023 2006-10-31 Eric Christopher <echristo@apple.com>
2024 Falk Hueffner <falk@debian.org>
2026 * doc/extend.texi (__builtin_bswap32): Document.
2027 (__builtin_bswap64): Ditto.
2028 * doc/libgcc.texi (bswapsi2): Document.
2030 * doc/rtl.texi (bswap): Document.
2031 * optabs.c (expand_unop): Don't widen a bswap.
2032 (init_optabs): Init bswap. Set libfuncs explicitly
2033 for bswapsi2 and bswapdi2.
2034 * optabs.h (OTI_bswap): New.
2035 (bswap_optab): Ditto.
2036 * genopinit.c (optabs): Handle bswap_optab.
2037 * tree.h (tree_index): Add TI_UINT32_TYPE and
2039 (uint32_type_node): New.
2040 (uint64_type_node): Ditto.
2041 * tree.c (build_common_tree_nodes_2): Initialize
2042 uint32_type_node and uint64_type_node.
2043 * builtins.c (expand_builtin_bswap): New.
2044 (expand_builtin): Call.
2045 (fold_builtin_bswap): New.
2046 (fold_builtin_1): Call.
2047 * fold-const.c (tree_expr_nonnegative_p): Return true
2049 * builtin-types.def (BT_UINT32): New.
2051 (BT_FN_UINT32_UINT32): Ditto.
2052 (BT_FN_UINT64_UINT64): Ditto.
2053 * builtins.def (BUILT_IN_BSWAP32): New.
2054 (BUILT_IN_BSWAP64): Ditto.
2055 * rtl.def (BSWAP): New.
2056 * genattrtab.c (check_attr_value): New.
2057 * libgcc2.c (__bswapSI2): New.
2058 (__bswapDI2): Ditto.
2059 * libgcc2.h (__bswapSI2): Declare.
2060 (__bswapDI2): Ditto.
2061 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2062 * simplify-rtx.c (simplify_const_unary_operation): Return
2064 * libgcc-std.ver (__bwapsi2): Add.
2065 (__bswapdi2): Ditto.
2066 * reload1.c (eliminate_regs_1): Add bswap.
2067 (elimination_effects): Ditto.
2068 * config/i386/i386.h (x86_bswap): New.
2069 (TARGET_BSWAP): Use.
2070 * config/i386/i386.c (x86_bswap): Set.
2072 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2074 * coverage.c (coverage_checksum_string): Update comment.
2075 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2076 of get_file_function_name.
2077 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2078 of get_file_function_name_long.
2079 * tree.c (get_file_function_name): Rename from
2080 get_file_function_name_long; improve comment; handle 'I' and 'D'
2081 specially when the target has ctor/dtor support; remove special
2083 (get_file_function_name): Remove.
2084 * tree.h (get_file_function_name): Rename from
2085 get_file_function_name_long.
2086 (get_file_function_name): Remove prototype.
2088 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2090 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2091 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2093 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2094 Call dsymutil when compiling and linking one or more source files
2097 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2100 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2102 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2104 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2105 inline static functions in c99 mode.
2108 * doc/extend.texi (Inline): Update.
2109 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2110 * c-decl.c (current_extern_inline): Delete.
2111 (pop_scope): Adjust test for an undefined nested function.
2112 Add warning about undeclared inline function.
2113 (diagnose_mismatched_decls): Update comments. Disallow overriding
2114 of inline functions in a translation unit in C99. Allow inline
2115 declarations in C99 at any time.
2116 (merge_decls): Boolize variables. Handle C99 'extern inline'
2118 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2119 C99 inline semantics.
2120 (start_function): Don't clear current_extern_inline. Don't set
2122 (c_push_function_context): Don't push current_extern_inline.
2123 (c_pop_function_context): Don't restore current_extern_inline.
2126 * c-typeck.c (build_external_ref): Warn about static variables
2127 used in extern inline functions.
2128 * c-decl.c (start_decl): Warn about static variables declared
2129 in extern inline functions.
2131 2006-10-31 Roger Sayle <roger@eyesopen.com>
2134 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2135 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2136 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2137 or y is an even integer.
2139 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2142 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2143 * gthr-posix95.h (__gthread_active_p): Likewise.
2145 2006-10-31 Richard Guenther <rguenther@suse.de>
2147 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2148 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2149 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2150 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2151 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2152 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2153 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2154 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2157 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2159 * opts.c (decode_options): Disable CSE skip blocks.
2161 2006-10-30 Dirk Mueller <dmueller@suse.de>
2163 * c-common.h (strict_aliasing_warning): Fix whitespace.
2164 * c-decl (start_function): Move code for main decl warning ..
2165 * c-common.c (check_main_parameter_types): .. here.
2166 * c-common.h (check_main_parameter_types): Declare.
2168 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2171 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2173 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2175 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2176 be a PARALLEL containing sets. Return false when out_pat is not
2179 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2181 * config/mips/mips.md (mul<mode>3): Split into...
2182 (mulsi3, muldi3): ...these separate patterns.
2184 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2186 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2187 but with each set of options separated by spaces.
2189 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2191 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2192 dwarf_reg_size_table has been initialized.
2194 2006-10-30 Roger Sayle <roger@eyesopen.com>
2196 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2197 * ddg.c (print_ddg_edge): Likewise.
2198 * dwarf2out.c (prune_unused_types_walk): Likewise.
2199 * ifcvt.c (noce_try_cmove_arith): Likewise.
2200 * langhooks.c (add_builtin_function): Likewise.
2201 * reg-stack.c (subst_stack_regs_pat): Likewise.
2202 * tree.c (expanded_location): Likewise.
2203 * tree-dump.c (dequeue_and_dump): Likewise.
2205 2006-10-30 David Daney <ddaney@avtrex.com>
2207 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2209 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2211 PR tree-optimization/29637
2212 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2213 of the innertype is the innertype itself.
2215 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2217 * dwarf2out.c (file_name_acquire): Correct typo.
2219 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2221 * tree.h (tree_value_handle): Remove struct value_set declaration.
2222 Change value_set to bitmap_set.
2223 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2224 * tree-vn.c (get_value_handle): Made inline and moved to
2226 * tree-flow-inline.h: (has_stmt_ann): New function.
2227 * tree-ssa-pre.c (expressions): New variable.
2228 (next_expression_id): Ditto.
2229 (alloc_expression_id): New function.
2230 (struct value_set): Remove.
2231 (get_expression_id): New function.
2232 (get_or_alloc_expression_id): Ditto.
2233 (expression_for_id): Ditto.
2234 (clear_expression_ids): Ditto.
2235 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2236 (bb_value_sets): Renamed to bb_bitmap_sets.
2237 All value sets replaced with bitmap_sets.
2239 (BB_VISITED): New macro.
2240 (postorder): New variable.
2241 (add_to_value): Removed.
2242 (value_exists_in_set_bitmap): Ditto.
2243 (value_insert_into_set_bitmap): Ditto.
2246 (set_remove): Ditto.
2247 (set_contains_value): Ditto.
2248 (insert_into_set): Ditto.
2250 (find_leader): Ditto.
2251 (bitmap_set_subtract_from_value_set): Ditto.
2252 (value_insert_into_set): Ditto.
2253 (print_value_set): Ditto.
2254 (debug_value_set): Ditto.
2255 (constant_expr_p): New function.
2256 (bitmap_remove_from_set): Ditto.
2257 (bitmap_insert_into_set): Ditto.
2258 (bitmap_set_free): Ditto.
2259 (vh_compare): Ditto.
2260 (sorted_array_from_bitmap_set): Ditto.
2261 (bitmap_set_subtract): Ditto.
2262 (bitmap_set_equal): Ditto.
2263 (debug_bitmap_set): Ditto.
2264 (find_leader_in_sets): Ditto.
2265 (bitmap_set_replace_value): Modify for bitmapped sets.
2266 (phi_translate): Ditto.
2267 (phi_translate_set): Ditto.
2268 (bitmap_find_leader): Ditto.
2269 (valid_in_sets): Ditto.
2270 (union_contains_value): Ditto.
2272 (compute_antic_aux): Ditto. Mark changed blocks.
2273 (compute_antic): Ditto. Iterate in postorder and only over
2275 (compute_rvuse_and_antic_safe): Reuse postorder.
2276 (create_component_ref_by_pieces): Modify for bitmapped sets.
2277 (find_or_generate_expression): Ditto.
2278 (create_expression_by_pieces): Ditto.
2279 (insert_into_preds_of_block): Ditto.
2280 (changed_blocks): New variable.
2281 (do_regular_insertion): Broken out from insert_aux.
2282 (insert_aux): Modified for bitmapped sets.
2283 (find_existing_value_expr): New function.
2284 (create_value_expr_from): Use it.
2285 (insert_extra_phis): Removed.
2286 (print_bitmap_set): Renamed from bitmap_print_value_set.
2287 (compute_avail): Handle RETURN_EXPR.
2288 (init_pre): Modify for bitmapped sets.
2289 * tree-flow.h (has_stmt_ann): New function.
2291 2006-10-29 Roger Sayle <roger@eyesopen.com>
2293 * builtins.c (fold_builtin_floor): Check for the availability of
2294 the C99 trunc function before transforming floor into trunc.
2296 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2298 * builtins.c (fold_builtin_hypot): Rearrange recursive
2299 transformation before others, and also do ABS_EXPR. When
2300 necessary, check flag_unsafe_math_optimizations. When necessary,
2303 2006-10-29 Roger Sayle <roger@eyesopen.com>
2305 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2306 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2307 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2308 Fold -X eq/ne -Y as X eq/ne Y.
2310 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2312 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2313 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2314 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2315 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2316 Use an inclusive test for "mult" rather than "mul".
2317 (rotr<mode>3): Depend on ISA_HAS_ROR.
2318 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2320 (GENERATE_MULT3_DI): Delete.
2321 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2322 (ISA_HAS_MUL3): New macro.
2323 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2324 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2325 (ISA_HAS_CLZ_CLO): Likewise.
2326 (ISA_HAS_DCLZ_DCLO): Delete.
2327 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2328 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2329 the VR4120 and VR4130.
2330 (ISA_HAS_MACCHI): Use consistent formatting.
2331 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2332 (ISA_HAS_ROR): ...this new macro.
2333 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2334 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2335 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2337 2006-10-29 Roger Sayle <roger@eyesopen.com>
2339 PR tree-optimization/15458
2340 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2343 2006-10-29 Richard Guenther <rguenther@suse.de>
2345 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2346 (ix86_expand_truncdf_32): Likewise.
2347 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2348 trunc inline for SSE math and -fno-trapping-math and if not
2349 optimizing for size.
2350 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2351 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2352 for expanding btrunc inline for SSE math.
2354 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2356 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2357 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2358 i[34567]86-*-solaris2.1[0-9]*.
2359 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2360 Define conditionally depending on TARGET_64BIT_DEFAULT.
2361 (SPEC_32, SPEC_64): Define.
2362 (LINK_SPEC): Use them.
2363 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2365 2006-10-29 Richard Guenther <rguenther@suse.de>
2367 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2368 (ix86_expand_rounddf_32): Likewise.
2369 * config/i386/i386.c (ix86_expand_round): New function expanding
2370 round inline for SSE math and -fno-trapping-math and if not
2371 optimizing for size.
2372 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2373 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2374 round via ix86_expand_round.
2376 2006-10-29 Richard Guenther <rguenther@suse.de>
2378 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2379 (ix86_expand_floorceildf_32): Likewise.
2380 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2381 static helper function.
2382 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2384 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2385 * config/i386/i386.md (floordf2): Adjust to enable floor
2386 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2387 -fno-trapping-math is enabled and if not optimizing for size.
2388 (floorsf2, ceildf2, ceilsf2): Likewise.
2389 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2390 (sse2_maskcmpdf3): Likewise.
2392 2006-10-29 Richard Guenther <rguenther@suse.de>
2394 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2395 rint in case -fno-trapping-math is enabled.
2396 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2397 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2398 (ix86_expand_sse_fabs): Likewise.
2399 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2400 * config/i386/i386.md (rintdf2): Enable for SSE math if
2401 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2402 (rintsf2): Likewise.
2404 2006-10-29 Richard Guenther <rguenther@suse.de>
2406 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2407 to conversion optabs.
2408 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2409 as conversion optab.
2410 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2411 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2412 (lfloor_optab, lceil_optab): Adjust defines.
2413 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2414 lfloor and lceil optabs now being conversion optabs.
2415 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2416 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2417 New static helper function.
2418 (ix86_expand_lfloorceil): New function to expand lfloor and
2420 * config/i386/i386.md (lfloor<mode>2): Split into ...
2421 (lfloorxf<mode>2): ... x87 variant
2422 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2423 using ix86_expand_lfloorceil.
2424 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2426 * doc/md.texi (lfloorMN, lceilMN): Document.
2428 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2430 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2431 -mno-shared assembler option on mips targets.
2432 * configure, config.in: Regenerate.
2433 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2434 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2435 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2437 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2439 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2440 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2442 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2444 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2445 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2448 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2451 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2452 (fold_builtin_pow): Evaluate constant arguments at compile-time
2454 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2455 (do_mpfr_ckconv): New helper function.
2456 (do_mpfr_arg1): Use do_mpfr_ckconv.
2457 (do_mpfr_arg2): New.
2459 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2462 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2463 (-fdump-rtl-sched): Rename to ..
2464 (-fdump-rtl-sched1): here. Also fix file extension number.
2466 2006-10-28 Richard Guenther <rguenther@suse.de>
2468 * fold-const.c (maybe_canonicalize_comparison): Fix code
2471 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2473 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2474 (NON_QI_REG_P): Use IN_RANGE.
2475 (REX_INT_REGNO_P): Use IN_RANGE.
2476 (FP_REGNO_P): Use IN_RANGE.
2477 (SSE_REGNO_P): Use IN_RANGE.
2478 (REX_SSE_REGNO_P): Use IN_RANGE.
2479 (MMX_REGNO_P): Use IN_RANGE.
2480 (STACK_REGNO_P): New macro.
2481 (STACK_REG_P): Use STACK_REGNO_P.
2482 (NON_STACK_REG_P): Use STACK_REGNO_P.
2483 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2484 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2485 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2486 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2487 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2489 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2491 * except.h (output_function_exception_table): Add 'const char*' param.
2492 * except.c (switch_to_exception_section): Add 'const char*' param.
2493 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2494 and flag_function_sections is set, use a function-specific section.
2495 (output_function_exception_table): Add 'const char*' param.
2496 Adjust call to switch_to_exception_section.
2497 * final.c (rest_of_handle_final): Adjust calls to
2498 output_function_exception_table.
2499 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2500 * config.in: Regenerate.
2501 * configure: Likewise.
2503 2006-10-28 Richard Guenther <rguenther@suse.de>
2506 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2507 for maybe_canonicalize_comparison.
2508 (maybe_canonicalize_comparison): New function for canonicalizing
2510 (fold_comparison): Call it to canonicalize comparisons with
2513 2006-10-28 Richard Guenther <rguenther@suse.de>
2516 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2517 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2518 (expand_builtin): Adjust likewise.
2519 * genopinit.c (optabs[]): Add lround optab.
2520 * optabs.c (init_optabs): Initialize lround_optab.
2521 * optabs.h (enum convert_optab_index): Add COI_lround.
2522 (lround_optab): Define.
2523 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2524 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2526 (ix86_expand_lround): New function.
2527 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2529 * doc/md.texi (lroundMN2): Document.
2531 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2534 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2535 argument to HOST_WIDE_INT. Update function prototype.
2536 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2537 "size" argument to HOST_WIDE_INT. Update function prototype.
2539 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2541 * config/i386/i386.c (output_387_ffreep): Create output from a
2542 template string for !HAVE_AS_IX86_FFREEP.
2544 2006-10-27 Eric Christopher <echristo@apple.com>
2546 * config/darwin.c: Fix formatting and grammar.
2548 2006-10-27 Jan Hubicka <jh@suse.cz>
2550 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2551 to be thrown away soon when IGNORE is set.
2552 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2553 indicating when return value shall not be computed.
2554 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2556 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2558 * config/i386/i386.h (TARGET_GEODE):
2559 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2560 (TARGET_CPU_DEFAULT_geode): New macro.
2561 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2562 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2563 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2564 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2565 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2567 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2568 (processor_type): Add PROCESSOR_GEODE.
2570 * config/i386/i386.md: Include geode.md.
2573 * config/i386/i386.c (geode_cost): New initialized global
2575 (m_GEODE, m_K6_GEODE): New macros.
2576 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2577 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2578 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2579 x86_schedule): Use m_K6_GEODE instead of m_K6.
2580 (x86_movx, x86_cmove): Set up m_GEODE.
2581 (x86_integer_DFmode_moves): Clear m_GEODE.
2582 (processor_target_table): Add entry for geode.
2583 (processor_alias_table): Ditto.
2585 * config/i386/geode.md: New file.
2587 * doc/invoke.texi: Add entry about geode processor.
2589 2006-10-27 Mike Stump <mrs@apple.com>
2591 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2592 __DYNAMIC__ from here back to ...
2593 * config/darwin.h (CPP_SPEC): ... here.
2595 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2596 Nathan Sidwell <nathan@codesourcery.com>
2598 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2599 when choosing the minimum heapsize.
2601 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2603 * gcc/unwind-dw2.h: Move cfa-related variables into
2604 struct frame_state_reg_info to ensure that the CFA is properly
2605 handled when executing DW_CFA_{remember,restore}_state.
2606 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2607 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2608 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2609 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2610 gcc/config/rs6000/linux-unwind.h,
2611 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2612 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2613 Modify to use new cfa_* fields.
2615 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2617 * config/s390/s390.c (s390_init_frame_layout): Check positive
2620 2006-10-26 Ben Elliston <bje@au.ibm.com>
2622 * gimplify.c (get_name): Remove extraneous break.
2623 (gimplify_omp_for): Initialise ret with GS_OK.
2625 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2627 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2628 Add unix98.o to link line.
2630 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2633 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2634 Calculate compile-time constants using MPFR.
2635 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2636 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2638 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2640 * config/xtensa/lib2funcs.S: Use C-style comments.
2642 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2644 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2645 (file_table_relative_p): Likewise.
2646 (dwarf2out_finish): Likewise.
2647 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2649 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2651 * tree-ssa-structalias.c (intra_create_variable_infos):
2652 Don't recreate nonlocal_all if it already exists.
2654 2006-10-25 Richard Guenther <rguenther@suse.de>
2657 * optabs.h (enum optab_index): Remove OTI_lrint.
2658 (enum convert_optab_index): Add COI_lrint.
2659 (lrint_optab): Adjust.
2660 (expand_sfix_optab): Declare.
2661 * optabs.c (expand_sfix_optab): New function.
2662 (init_optabs): Init lrint_optab as conversion optab.
2663 * genopinit.c (lrint_optab): Change to a conversion optab.
2664 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2665 expansion via conversion optab.
2666 * config/i386/i386.md (*fistdi2_1): Remove
2667 flag_unsafe_math_optimizations guard.
2668 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2669 fist<mode>2_with_temp): Likewise.
2670 (lrint<mode>2): Split into...
2671 (lrintxf<mode>2): ... x87 part
2672 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2673 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2674 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2675 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2676 * doc/md.texi (lrintMN2): Document.
2678 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2681 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2682 Use inc and dec instructions for TARGET_USE_INCDEC.
2683 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2684 ("sync_double_compare_and_swap<mode>"): Likewise.
2685 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2686 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2687 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2688 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2689 ("sync_old_add<mode>"): Likewise.
2690 ("sync_lock_test_and_set<mode>"): Likewise.
2691 ("sync_lock_test_and_set<mode>"): Likewise.
2692 ("sync_add<mode>"): Likewise.
2693 ("sync_sub<mode>"): Likewise.
2694 ("sync_ior<mode>"): Likewise.
2695 ("sync_and<mode>"): Likewise.
2696 ("sync_xor<mode>"): Likewise.
2698 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2700 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2701 (remainder_optab): Define corresponding macro.
2702 (drem_optab): Remove.
2703 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2704 drem_optab initialization.
2705 * genopinit.c (optabs): Implement remainder_optab using
2706 remainder?f3 patterns. Remove drem_optab.
2707 * builtins.c (expand_builtin_mathfn_2): Handle
2708 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2709 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2710 expand_builtin_mathfn_2.
2712 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2713 depend on flag_unsafe_math_optimizations.
2715 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2716 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2717 Do not depend on flag_unsafe_math_optimizations. Use
2718 truncxf?f expander instead of truncxf?f_i387_noop.
2720 ("fpremxf4", "fprem1xf4"): Do not depend on
2721 flag_unsafe_math_optimizations.
2722 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2723 flag_unsafe_math_optimizations. Use truncxf?f expander
2724 instead of truncxf?f_i387_noop.
2726 * doc/md.texi (fmod, remainder): Document standard named pattern.
2728 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2729 David Daney <ddaney@avtrex.com>
2732 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2734 2006-10-25 Ben Elliston <bje@au.ibm.com>
2736 * doc/extend.texi (Variable Attributes): Typo fix.
2738 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2740 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2741 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2742 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2743 (FRAME_POINTER_REGNUM): Update register number to 21.
2744 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2745 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2747 * config/i386/i386.c (regclass_map): Add fpcr entry.
2748 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2750 (print_reg): Assert REGNO (x) != FPCR_REG.
2752 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2753 (DIRFLAG_REG): Renumber.
2754 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2755 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2756 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2757 hardcoded SSE register numbers.
2759 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2760 hardcoded MMX register numbers.
2762 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2765 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2766 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2768 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2769 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2770 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2771 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2773 2006-10-24 Richard Guenther <rguenther@suse.de>
2776 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2777 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2778 for deciding optimizations in consistency with fold-const.c
2779 (fold_builtin_unordered_cmp): Likewise.
2781 2006-10-24 Richard Guenther <rguenther@suse.de>
2783 * builtins.c (fold_builtin_floor): Fold floor (x) where
2784 x is nonnegative to trunc (x).
2785 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2786 nonnegative to FIX_TRUNC_EXPR.
2788 2006-10-24 Richard Guenther <rguenther@suse.de>
2790 PR tree-optimization/29567
2791 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2792 for TRUTH_NOT_EXPR. Clarify comments.
2794 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2797 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2798 at compile-time using MPFR. Change parameter VALUE to FUNC,
2800 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2801 for overflow and underflow at all times and avoid folding in
2804 2006-10-24 Ben Elliston <bje@au.ibm.com>
2806 * reload1.c: Formatting fixes.
2808 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2810 PR tree-optimization/14784
2811 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2812 * tree-ssa-structalias.c (get_constraint_for,
2813 intra_create_variable_infos): Set is_heapvar.
2814 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2815 non-heapvar pointer variables specially.
2817 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2820 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2821 fold_builtin_tan): Fold all constant arguments. Take a "type"
2822 argument as necessary.
2823 (do_mpfr_arg1): New.
2824 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2826 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2828 * config/xtensa/lib1funcs.asm: Use C-style comments.
2830 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2832 * tree.c (local_define_builtin): Replace calls to
2833 lang_hooks.builtin_function with add_builtin_function.
2834 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2836 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2838 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2839 common code to add_builtin_function.
2840 * langhooks.c (add_builtin_function): New function.
2841 (lhd_builtin_function): New function.
2842 * langhooks.h (struct lang_hooks): Change the signature of
2844 (add_builtin_function): New function.
2845 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2846 calls to lang_hooks.builtin_function with add_builtin_function.
2847 * c-common.c (decl_builtin_1): Replace calls to
2848 lang_hooks.builtin_function with add_builtin_function.
2849 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2850 lang_hooks.builtin_function with add_builtin_function.
2851 * config/frv/frv.c (def_builtin): Replace calls to
2852 lang_hooks.builtin_function with add_builtin_function.
2853 * config/s390/s390.c (s390_init_builtins): Replace calls to
2854 lang_hooks.builtin_function with add_builtin_function.
2855 * config/sparc/sparc.c (def_builtin): Replace calls to
2856 lang_hooks.builtin_function with add_builtin_function.
2857 * config/i386/i386.c (def_builtin): Replace calls to
2858 lang_hooks.builtin_function with add_builtin_function.
2859 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2860 lang_hooks.builtin_function with add_builtin_function.
2861 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2862 lang_hooks.builtin_function with add_builtin_function.
2863 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2864 Replace calls to lang_hooks.builtin_function with
2865 add_builtin_function.
2866 * config/iq2000/iq2000.c (def_builtin):
2867 Replace calls to lang_hooks.builtin_function with
2868 add_builtin_function.
2869 * config/ia64/ia64.c (def_builtin): Replace calls to
2870 lang_hooks.builtin_function with add_builtin_function.
2871 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2872 lang_hooks.builtin_function with add_builtin_function.
2873 (altivec_init_builtins): Replace calls to
2874 lang_hooks.builtin_function with add_builtin_function.
2875 * config/arm/arm.c (def_mbuiltin): Replace calls to
2876 lang_hooks.builtin_function with add_builtin_function.
2877 (arm_init_tls_builtins): Replace calls to
2878 lang_hooks.builtin_function with add_builtin_function.
2879 * config/mips/mips.c (mips_init_builtins): Replace calls to
2880 lang_hooks.builtin_function with add_builtin_function.
2881 * config/bfin/bfin.c (def_builtin): Replace calls to
2882 lang_hooks.builtin_function with add_builtin_function.
2883 * langhooks-def.h (lhd_builtin_function): New function.
2884 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2886 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2888 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2889 BUILT_IN_STRNCAT_CHK.
2891 2006-10-23 Jan Hubicka <jh@suse.cz>
2893 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2894 don't do conversion from memmove to memcpy here.
2895 (expand_builtin_bcopy, expand_builtin): Update call of
2896 expand_builtin_memmove.
2897 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2899 2006-10-23 Paul Brook <paul@codesourcery.com>
2901 * stor-layout.c (start_record_layout): maximum_field_alignment
2902 overrides STRUCTURE_SIZE_BOUNDARY.
2904 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2906 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2907 nonlocal function symbols if flag_pic.
2909 2006-10-23 Richard Guenther <rguenther@suse.de>
2913 * builtins.c (fold_binary): Remove checks for flag_wrapv
2914 and flag_trapv where negate_expr_p covers these cases.
2916 2006-10-23 Richard Guenther <rguenther@suse.de>
2919 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2920 of two on the absolute value.
2921 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2922 and negating -C does not overflow.
2924 2006-10-23 Richard Guenther <rguenther@suse.de>
2927 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2928 only if not flag_rounding_math.
2930 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2931 Kaz Kojima <kkojima@gcc.gnu.org>
2934 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2935 SImode memory reference for the source of a movua.
2936 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2937 (movua): Use an unspec instead of sign_extract. Expect the source
2938 to have mode BLKmode.
2939 (extv, insv): Use a BLKmode rather than SImode memory reference
2940 for the source of a movua.
2942 2006-10-22 Jeff Law <law@redhat.com>
2943 Richard Guenther <rguenther@suse.de>
2945 PR tree-optimization/15911
2946 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2947 (register_edge_assert_for_1): Likewise.
2948 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2949 (find_conditional_asserts): Adjust for new function signature.
2950 (find_assert_locations): Likewise.
2952 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2954 * config/i386/tmmintrin.h: Remove the duplicated content.
2956 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2958 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2959 (x86_64-*-*): Likewise.
2961 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2962 (override_options): Check SSSE3.
2963 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2964 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2965 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2966 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2967 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2968 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2969 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2970 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2971 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2972 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2973 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2974 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2975 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2976 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2977 IX86_BUILTIN_PABSD128.
2978 (bdesc_2arg): Add SSSE3.
2979 (bdesc_1arg): Likewise.
2980 (ix86_init_mmx_sse_builtins): Support SSSE3.
2981 (ix86_expand_builtin): Likewise.
2982 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2984 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2985 (UNSPEC_PSIGN): Likewise.
2986 (UNSPEC_PALIGNR): Likewise.
2987 Include mmx.md before sse.md.
2989 * config/i386/i386.opt: Add -mssse3.
2991 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2992 (ssse3_phaddwv4hi3): Likewise.
2993 (ssse3_phadddv4si3): Likewise.
2994 (ssse3_phadddv2si3): Likewise.
2995 (ssse3_phaddswv8hi3): Likewise.
2996 (ssse3_phaddswv4hi3): Likewise.
2997 (ssse3_phsubwv8hi3): Likewise.
2998 (ssse3_phsubwv4hi3): Likewise.
2999 (ssse3_phsubdv4si3): Likewise.
3000 (ssse3_phsubdv2si3): Likewise.
3001 (ssse3_phsubswv8hi3): Likewise.
3002 (ssse3_phsubswv4hi3): Likewise.
3003 (ssse3_pmaddubswv8hi3): Likewise.
3004 (ssse3_pmaddubswv4hi3): Likewise.
3005 (ssse3_pmulhrswv8hi3): Likewise.
3006 (ssse3_pmulhrswv4hi3): Likewise.
3007 (ssse3_pshufbv16qi3): Likewise.
3008 (ssse3_pshufbv8qi3): Likewise.
3009 (ssse3_psign<mode>3): Likewise.
3010 (ssse3_psign<mode>3): Likewise.
3011 (ssse3_palignrti): Likewise.
3012 (ssse3_palignrdi): Likewise.
3013 (abs<mode>2): Likewise.
3014 (abs<mode>2): Likewise.
3016 * config/i386/tmmintrin.h: New file.
3018 * doc/extend.texi: Document SSSE3 built-in functions.
3020 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3022 2006-10-22 Ira Rosen <irar@il.ibm.com>
3024 * tree-vect-transform.c (vectorizable_load): Use the type of the
3025 return value of the mask_for_load builtin to create realign_load
3028 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3030 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3033 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3035 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3036 (UNSPEC_LDDQU): This.
3037 * config/i386/sse.md (sse3_lddqu): Updated.
3039 2006-10-21 Richard Guenther <rguenther@suse.de>
3041 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3042 (expand_builtin): Use it to expand lrint instead of
3043 expand_builtin_mathfn.
3045 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3048 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3049 flag_unsafe_math_optimizations is set.
3051 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3054 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3055 patterns to use memory input operand in x87->mem->XMM
3056 reload sequences. Skip transformation for TARGET_K8.
3058 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3060 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3061 force operand1 to register if both operands are memory operands.
3062 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3063 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3064 if both operands are memory operands.
3065 (truncdfsf2): Do not force operand1 to register if both operands
3066 are memory operands.
3068 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3070 * Makefile.in (LIBS): Add $(GMPLIBS).
3071 * doc/install.texi: Update GMP and MPFR requirements.
3072 * doc/sourcebuild.texi (need_gmp): Delete.
3074 2006-10-21 Richard Guenther <rguenther@suse.de>
3076 PR tree-optimization/3511
3077 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3078 got new invariant arguments during PHI translation.
3080 2006-10-21 Richard Guenther <rguenther@suse.de>
3083 * fold-const.c (fold_comparison): Fold signed comparisons
3084 of the form X +- C1 CMP Y +- C2.
3086 2006-10-21 Richard Guenther <rguenther@suse.de>
3089 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3090 if flag_unsafe_math_optimizations is specified. We have
3091 flag_finite_math_only for that.
3092 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3093 or flag_unsafe_math_optimizations.
3095 2006-10-21 Richard Guenther <rguenther@suse.de>
3097 * builtins.c (fold_builtin_classify): Fix typo.
3099 2006-10-21 Richard Guenther <rguenther@suse.de>
3102 * simplify-rtx.c (simplify_const_relational_operation):
3103 Do not constant-fold ORDERED and UNORDERED for
3104 flag_unsafe_math_optimizations but only we do not need to
3105 honor NaNs for the given mode.
3107 2006-10-21 Richard Guenther <rguenther@suse.de>
3110 * config/i386/i386.c (classify_argument): Remove redundant
3111 walking of the BINFOs.
3112 (contains_128bit_aligned_vector_p): Likewise.
3114 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3116 * BASE-VER: Set to 4.3.0.
3118 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3120 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3121 (tree_decl_with_vis): Remove artificial_pta_var flag.
3122 * tree-flow.h (referenced_var_check_and_insert): Expose.
3123 (nonlocal_all): New prototype.
3124 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3125 (nonlocal_all): Make global.
3126 (nonlocal_lookup): Remove.
3127 (nonlocal_insert): Ditto.
3128 (create_nonlocal_var): Do not call nonlocal_insert.
3129 (get_nonlocal_id_for_type): Remove.
3130 (find_global_initializers): Mark new vars we find for renaming.
3131 (intra_create_variable_infos): Only create one nonlocal.
3132 (expand_nonlocal_solutions): Remove.
3133 (compute_points_to_sets): Don't call it.
3134 (ipa_pta_execute): Ditto.
3135 (init_alias_heapvars): Don't create nonlocal_for_type.
3136 (delete_alias_heapvars): Don't remove it.
3137 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3140 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3142 * doc/install.texi (Downloading GCC): Clarify mention of
3143 Fortran in the "full distribution" description.
3145 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3147 Fix PR tree-optimization/28778
3148 Fix PR tree-optimization/29156
3149 Fix PR tree-optimization/29415
3150 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3151 (tree_decl_with_vis): Add artificial_pta_var flag.
3152 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3153 pushed into callers.
3154 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3155 (nonlocal_all): Ditto.
3156 (struct variable_info): Add directly_dereferenced member.
3157 (var_escaped_vars): New variable.
3158 (escaped_vars_tree): Ditto.
3159 (escaped_vars_id): Ditto.
3160 (nonlocal_vars_id): Ditto.
3161 (new_var_info): Set directly_dereferenced.
3162 (graph_size): New variable
3163 (build_constraint_graph): Use graph_size.
3164 (solve_graph): Don't process constraints that cannot change the
3165 solution, don't try to propagate an empty solution to our
3167 (process_constraint): Set directly_dereferenced.
3168 (could_have_pointers): New function.
3169 (get_constraint_for_component_ref): Don't process STRING_CST.
3170 (nonlocal_lookup): New function.
3171 (nonlocal_insert): Ditto.
3172 (create_nonlocal_var): Ditto.
3173 (get_nonlocal_id_for_type): Ditto.
3174 (get_constraint_for): Allow results vector to be empty in the case
3175 of string constants.
3176 Handle results of calls properly.
3177 (update_alias_info): Update alias info stats on number and type of
3179 (find_func_aliases): Use could_have_pointers.
3180 (make_constraint_from_escaped): Renamed from
3181 make_constraint_to_anything, and changed to make constraints from
3183 (make_constraint_to_escaped): New function.
3184 (find_global_initializers): Ditto.
3185 (create_variable_info_for): Make constraint from escaped to any
3186 global variable, and from any global variable to the set of
3188 (intra_create_variable_infos): Deal with escaped instead of
3189 pointing to anything.
3190 (set_uids_in_ptset): Do type pruning on directly dereferenced
3192 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3193 (init_base_vars): Fix comment, and initialize escaped_vars.
3194 (need_to_solve): Removed.
3195 (find_escape_constraints): New function.
3196 (expand_nonlocal_solutions): Ditto.
3197 (compute_points_to_sets): Call find_escape_constraints and
3198 expand_nonlocal_solutions.
3199 (delete_points_to_sets): Don't fall off the end of the graph.
3200 (init_alias_heapvars): Initialize nonlocal_for_type and
3202 (delete_alias_heapvars): Free nonlocal_for_type and null out
3205 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3207 * fold-const.c (add_double): Rename to add_double_with_sign.
3208 Add 'unsigned_p' parameter and take it into account for the overflow.
3209 (mul_double): Rename to mul_double_with_sign.
3210 Add 'unsigned_p' parameter and take it into account for the overflow.
3211 (fold_div_compare): Call add_double_with_sign instead of add_double
3212 and mul_double_with_sign instead of mul_double, passing them the
3213 unsignedness of the type.
3214 * tree.h (add_double): Macroize.
3215 (add_double_with_sign): New prototype.
3216 (mul_double): Macroize.
3217 (mul_double_with_sign): New prototype.
3219 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3221 * config/score/crti.asm: New file.
3222 * config/score/crtn.asm: New file.
3223 * config/score/elf.h: New file.
3224 * config/score/mac.md: New file.
3225 * config/score/misc.md: New file.
3226 * config/score/mul-div.S: New file.
3227 * config/score/predicates.md: New file.
3228 * config/score/score7.md: New file.
3229 * config/score/score.c: New file.
3230 * config/score/score-conv.h: New file.
3231 * config/score/score.h: New file.
3232 * config/score/score.md: New file.
3233 * config/score/score-mdaux.c: New file.
3234 * config/score/score-mdaux.h: New file.
3235 * config/score/score-modes.def: New file.
3236 * config/score/score.opt: New file.
3237 * config/score/score-protos.h: New file.
3238 * config/score/score-version.h: New file.
3239 * config/score/t-score-elf: New file.
3240 * config.gcc: Add score*-*-* configurations(Update before).
3241 * doc/invoke.texi (Score Options): New section.
3242 * doc/md.texi (Score family): New section to document constraints.
3244 2006-10-19 Nick Clifton <nickc@redhat.com>
3246 * config/arm/arm.c: Fix spelling typo.
3248 2006-10-18 Tom Tromey <tromey@redhat.com>
3250 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3252 2006-10-18 Jan Hubicka <jh@suse.cz>
3255 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3258 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3260 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3261 TSI_SAME_STMT, since that's the desired entity.
3263 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3265 * config/s390/contraints.md: New file.
3266 * config/s390/s390-protos.h (s390_mem_constraint,
3267 s390_O_constraint_str, s390_N_constraint_str,
3268 s390_float_const_zero_p): Function prototypes added.
3269 * config/s390/s390.c (s390_extra_constraint_str,
3270 s390_const_double_ok_for_constraint_p,
3271 s390_const_ok_for_constraint_p): Functions removed.
3272 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3273 s390_float_const_zero_p): New functions.
3274 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3275 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3276 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3277 Macro definitions removed.
3278 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3279 s390_extra_constraint_str): Functions removed.
3281 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3282 Richard Sandiford <richard@codesourcery.com>
3285 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3286 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3288 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3290 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3291 (DWARF2_FRAME_REG_OUT): Likewise.
3292 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3293 (DWARF2_FRAME_REG_OUT): Likewise.
3295 2006-10-17 Paul Brook <paul@codesourcery.com>
3297 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3299 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3301 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3302 Standardize on "GNU Fortran" as the official name of the Fortran
3305 2006-10-16 Mike Stump <mrs@apple.com>
3307 * doc/invoke.texi (Darwin Options): Document -mkernel.
3308 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3310 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3311 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3312 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3313 (OS_MISSING_ALTIVEC): Add.
3314 * config/i386/i386.c (override_options): Add
3315 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3316 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3317 -mkernel, -static or -mdynamic-no-pic is given.
3318 (C_COMMON_OVERRIDE_OPTIONS): Add.
3319 * config/darwin.opt (fapple-kext): Add.
3321 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3322 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3324 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3325 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3326 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3327 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3328 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3329 (flag_mkernel): Add.
3330 (flag_apple_kext): Add.
3331 (TARGET_KEXTABI): Add.
3332 * config/darwin.c (darwin_handle_kext_attribute): Add.
3333 (DARWIN_VTABLE_P): Add.
3334 (darwin_binds_local_p): Add partial support for rebinding vtables
3336 (darwin_kextabi_p): Add.
3337 (darwin_override_options): Add.
3338 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3339 (darwin_kextabi_p): Add.
3340 (darwin_override_options): Add.
3341 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3342 __DYNAMIC__ and __STATIC__ here.
3344 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3346 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3347 Added mention of "make pdf" target, and Texinfo requirements for
3350 2006-10-16 DJ Delorie <dj@redhat.com>
3352 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3353 into the GOT in case we need a subreg of the address.
3355 2006-10-16 Richard Guenther <rguenther@suse.de>
3358 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3359 SSE builtin documentation. Document SSE2 builtins.
3361 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3363 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3364 symbol in the output file for non-shared links when -nostdlib or
3365 -nodefaultlibs isn't specified.
3367 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3368 posix thread support.
3370 2006-10-15 Jan Hubicka <jh@suse.cz>
3373 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3374 declared always_inline even when not inlining.
3376 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3377 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3378 Andrew Pinski <pinskia@gmail.com>
3381 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3383 2006-10-15 Jan Hubicka <jh@suse.cz>
3384 Richard Guenther <rguenther@suse.de>
3387 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3388 process_function_and_variable_attributes on all variables, including
3389 those discovered during cgraph construction phase.
3391 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3393 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3395 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3397 * config/i386/athlon.md (athlon_fist): Add fisttp.
3399 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3400 Ian Lance Taylor <ian@airs.com>
3403 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3404 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3407 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3409 * config/score/score.c, config/score/score.h: Fix comment
3412 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3415 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3418 2006-10-13 Eric Christopher <echristo@apple.com>
3420 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3422 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3425 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3426 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3427 alignment supported by 32-bit ELF.
3429 2006-10-13 Eric Christopher <echristo@apple.com>
3431 * config/darwin.c (darwin_emit_unwind_label): Strip
3432 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3434 2006-10-13 Richard Guenther <rguenther@suse.de>
3436 PR tree-optimization/29446
3437 * tree-vrp.c (fix_equivalence_set): Remove.
3438 (extract_range_from_assert): Do not call fix_equivalence_set.
3439 (debug_value_range): Print a newline.
3440 (compare_name_with_value): For equivalence sets with
3441 inconsistent value ranges conservatively bail out.
3442 (compare_names): Likewise.
3444 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3446 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3447 and MPFR for gfortran.
3449 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3451 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3452 alignment supported by 32-bit ELF.
3454 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3458 * c-typeck.c (digest_init): Always allow initializing vectors
3459 that have static storage duration with compound literals.
3460 * tree.c (build_type_attribute_qual_variant): New, based on
3461 build_type_attribute_variant.
3462 (build_type_attribute_variant): Rewrite using the former.
3463 (make_vector_type): Use build_type_attribute_qual_variant to build
3464 type variants. Use type_hash_canon on the others.
3466 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3467 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3469 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3471 2006-10-12 Jan Hubicka <jh@suse.cz>
3474 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3475 current_function_decl is set but current_function_scope is not.
3477 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3479 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3480 emit_insn to emit eh_return_internal instruction.
3481 (eh_return_internal): Explicitly set pc.
3483 2006-10-11 Richard Guenther <rguenther@suse.de>
3485 PR tree-optimization/28230
3486 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3487 to the correct place.
3489 2006-10-11 Richard Guenther <rguenther@suse.de>
3492 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3495 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3497 * configure.ac: Added pdf to "Make-hooks"
3498 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3499 targets and *.pdf file patterns in cleanup targets.
3500 * configure: Regenerated.
3502 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3504 * config/avr/predicates.md: New file.
3505 * config/avr/avr.md: Include it.
3506 (REG_SP): New constant.
3507 (peepholes): Use predicates.
3508 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3509 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3510 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3512 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3514 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3517 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3520 * builtins.c (var_decl_component_p): New function.
3521 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3522 single entry optimization to variables and components thereof.
3524 2006-10-10 Richard Guenther <rguenther@suse.de>
3526 PR rtl-optimization/29323
3527 * except.c (set_nothrow_function_flags): For functions
3528 that do not bind local bail out early.
3530 2006-10-10 Ben Elliston <bje@au.ibm.com>
3532 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3535 2006-10-09 Richard Henderson <rth@redhat.com>
3537 Revert emutls patch.
3539 2006-10-09 Richard Guenther <rguenther@suse.de>
3542 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3545 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3548 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3549 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3550 * configure: Regenerate.
3551 * config.in: Regenerate.
3553 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3555 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3557 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3559 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3560 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3561 Remove stray newline.
3563 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3565 * config/mips/mips.c (mips_classify_symbol): Do not return
3566 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3567 (mips_in_small_data_p): Tweak comments.
3569 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3571 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3573 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3575 * gimplify.c, sched-int.h: Fix comment typos.
3577 * sched-int.h: Fix comment typos.
3579 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3581 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3583 * sched-ebb.c (begin_schedule_ready): Use them.
3584 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3585 add_to_speculative_block, create_check_block_twin, speculate_insn,
3586 fix_jump_move, move_block_after_check): Ditto.
3587 * sched-rgn.c (new_ready): Ditto.
3589 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3591 PR rtl-optimization/29128
3592 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3593 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3594 allow interblock movement of speculation checks.
3596 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3599 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3600 casted to integer type.
3601 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3602 if they are significantly more expensive than [reg + index] ones.
3604 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3606 PR tree-optimization/29330
3607 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3608 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3609 on newly allocated ddrs.
3610 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3611 to VEC (loop_p, heap) pointer.
3612 (compute_data_dependences_for_loop): Adjust caller.
3613 (free_dependence_relations): Free DDR_LOOP_NEST.
3615 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3616 free DEPENDENCE_RELATIONS and DATAREFS.
3619 * builtins.c (expand_builtin_sync_operation,
3620 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3621 Use convert_to_mode to handle promoted arguments.
3623 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3625 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3627 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3629 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3631 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3633 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3634 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3635 Use <modeconstraint> instead of "r" as operand 1 constraint.
3637 2006-10-06 Olivier Hainque <hainque@adacore.com>
3639 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3640 Don't recurse on the pointed-to type.
3641 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3642 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3643 types with components of variable size.
3645 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3647 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3649 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3651 PR tree-optimization/29290
3652 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3656 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3657 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3660 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3661 the number of vector elements fill the rest with zeros.
3663 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3665 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3666 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3669 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3671 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3672 unnamed pattern into subsi3. Use correct constraints/predicates.
3673 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3674 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3676 2006-10-05 Ira Rosen <irar@il.ibm.com>
3678 * doc/loop.texi: Add data references analysis description.
3680 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3682 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3684 2006-10-04 Richard Henderson <rth@redhat.com>
3685 Jakub Jelinek <jakub@redhat.com>
3687 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3688 * builtin-types.def (BT_WORD): Make unsigned.
3689 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3690 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3691 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3692 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3693 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3694 * cgraph.c (decide_is_variable_needed): Look at force_output.
3695 Recurse for emulated tls.
3696 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3697 checks redundant with decide_is_variable_needed.
3698 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3699 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3701 * expr.c (emutls_var_address): New.
3702 (expand_expr_real_1): Expand emulated tls.
3703 (expand_expr_addr_expr_1): Likewise.
3704 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3705 * output.h (emutls_finish): Declare.
3706 * toplev.c (compile_file): Call it.
3707 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3708 address before wrapping in CONST.
3709 * varasm.c (emutls_htab, emutls_object_type): New.
3710 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3711 (get_emutls_object_name, get_emutls_object_type): New.
3712 (get_emutls_init_templ_addr, emutls_decl): New.
3713 (emutls_common_1, emutls_finish): New.
3714 (assemble_variable): When emulating tls, swap decls; generate
3715 constructor for the emutls objects.
3716 (do_assemble_alias): When emulating tls, swap decl and target name.
3717 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3719 * emutls.c: New file.
3720 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3721 tls_object for real tls.
3723 2006-10-04 Zack Weinberg <zackw@panix.com>
3725 Fix bug in constraint-check generator, reported by Rask Ingemann
3727 * genpreds.c (add_constraint): Don't remove anything from the
3729 (write_tm_constrs_h): Detect whether "op" argument is used, and
3730 mark it ARG_UNUSED if it isn't.
3731 (write_insn_const_int_ok_for_constraint): Skip the part of the
3732 expression that would test whether "op" (which is not available
3733 here) is a CONST_INT.
3735 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3738 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3740 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3742 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3743 current Leopard versions.
3744 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3746 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3748 * doc/install.texi: Fix typos.
3750 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3752 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3753 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3754 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3756 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3758 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3759 arg to be struct mach_header_64* instead.
3761 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3764 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3765 side effects after the outer expression's post side effects.
3767 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3769 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3770 comments to reflect actual behavior and relationship between
3771 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3773 * doc/c-tree.texi (Working with declarations): Fix documentation
3774 of FIELD_DECL likewise.
3776 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3779 * doc/extend.texi: Add used variable attribute description.
3781 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3784 * c.opt (Woverride-init): New.
3785 * c-opts.c (c_common_post_options): Default warn_override_init to
3787 * c-typeck.c (add_pending_init, output_init_element): Warn for
3788 overriding initializers without side effects.
3789 * doc/invoke.texi (-Woverride-init): Document.
3792 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3794 PR rtl-optimization/28096
3795 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3796 assignment has already been used as a destination earlier in the block.
3798 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3800 * builtins.c (expand_builtin_setjmp): Delete.
3801 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3802 <BUILT_IN_SETJMP_SETUP>: New case.
3803 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3804 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3805 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3806 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3807 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3808 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3809 (lower_function_body): Initialize it to false. If it is set to true
3810 at the end of the processing, emit the setjmp dispatcher.
3811 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3812 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3813 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3814 on the rhs of the assignment.
3815 (lower_builtin_setjmp): New function.
3816 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3817 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3818 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3819 to detect calls that can go to non-local labels. Use specific
3820 helper to create the abnormal edges associated with them.
3821 <MODIFY_EXPR>: Likewise.
3822 (make_abnormal_goto_edges): New function extracted from...
3823 (make_goto_expr_edges): ...here. Call it for computed gotos.
3824 (simple_goto_p): Minor tweak.
3825 (tree_can_make_abnormal_goto): New predicate.
3826 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3827 (tree_purge_dead_abnormal_call_edges): New function.
3828 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3829 (tree_purge_dead_abnormal_call_edges): Likewise.
3830 (make_abnormal_goto_edges): Likewise.
3831 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3832 Purge all dead abnormal edges if the call was in the last statement.
3833 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3834 (execute_fixup_cfg): If there are non-local labels in the function,
3835 scan the basic blocks and split them at calls that can go to non-local
3836 labels or add missing abnormal call edges. Write down the CFG in the
3838 (pass_fixup_cfg): Remove TODO_dump_func flag.
3839 * unwind-sjlj.c: Poison setjmp.
3840 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3841 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3842 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3843 (DONT_USE_BUILTIN_SETJMP): Document it.
3845 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3848 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3849 to 1 when __ppc64__ is defined.
3850 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3852 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3854 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3856 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3857 * config/ia64/unwind-hpux.c: Delete.
3859 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3861 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3862 on the element before gimplifying it, instead of punting if it is of
3865 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3867 * doc/loop.texi: New file.
3868 * doc/gccint.texi: Reference loop.texi.
3869 * Makefile.in (loop.texi): Add.
3871 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3873 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3875 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3876 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3878 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3880 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3882 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3884 * doc/install.texi: Document required versions of GMP and MPFR.
3886 2006-09-27 Paul Brook <paul@codesourcery.com>
3889 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3891 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3893 * reload1.c (alter_reg): Require the alignment of the stack slot to
3894 be at least reg_max_ref_width bytes.
3895 (scan_paradoxical_subregs): Record the largest width in
3898 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3902 * tree-nested.c (struct nesting_info): Added static_chain_added.
3903 (convert_call_expr): Set static_chain_added when adding static
3904 chain. Handle OMP_PARALLEL and OMP_SECTION.
3906 2006-09-25 Matthias Klose <doko@debian.org>
3908 * doc/invoke.texi: Add missing full stop.
3910 2006-09-25 Richard Henderson <rth@redhat.com>
3912 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3913 before cgraph_function_flags_ready.
3915 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3916 Adam Nemet <anemet@caviumnetworks.com>
3918 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3919 determine_common_wider_type): New functions.
3920 (get_computation_aff): Use them to simplify arithmetic between
3921 UBASE and CBASE if they are shortened from the same type.
3923 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3926 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3927 -2147483647 - 1 instead of 0x80000000.
3929 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3931 * flags.h (HONOR_NANS): Fix typo in comment.
3933 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3935 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3937 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3941 * tree.c (merge_attributes, attribute_list_contained): If both
3942 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3944 * c-typeck.c (comptypes_internal): Don't consider aggregates
3945 in different TUs as compatible if there one set of attributes is
3946 not a subset of the other type's attributes.
3947 (composite_type): Try harder not to create a new aggregate type.
3949 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3951 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3952 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3953 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3954 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3955 than replicating condition above.
3956 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3958 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3959 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3960 the linker by default.
3962 2006-09-22 Mike Stump <mrs@apple.com>
3964 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3967 2006-09-22 Richard Guenther <rguenther@suse.de>
3970 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3971 sort of stack variables stable.
3973 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3976 * explow.c (force_reg): Set REG_POINTER flag according to
3979 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3981 PR tree-optimization/28888
3982 * tree-if-conv.c (combine_blocks): Rewritten.
3983 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3984 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3986 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3988 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3991 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3993 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3995 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3997 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3999 2006-09-21 Roger Sayle <roger@eyesopen.com>
4002 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4003 dw_fde_current_label, to be the start of the function, i.e. the same
4004 value as dw_fde_begin.
4006 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4008 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4009 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4010 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4011 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4012 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4013 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4014 (abs<mode>2, neg<mode>2): Likewise.
4015 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4016 (*mips_abs_ps): New define_insn.
4018 2006-09-20 Josh Conner <jconner@apple.com>
4021 * calls.c (expand_call): Allow reuse of structure return stack
4024 2006-09-20 Paul Brook <paul@codesourcery.com>
4026 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4029 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4031 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4032 clean up terminology.
4034 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4037 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4038 with tablejumps in them.
4040 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4043 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4044 wrap it into TARGET_EXPR.
4046 2006-09-20 Eric Christopher <echristo@apple.com>
4048 * config/i386/i386.c (x86_fisttp): Remove.
4049 * config/i386/i386.h (x86_fisttp): Ditto.
4050 (TARGET_FISTTP): Ditto.
4052 2006-09-19 Eric Christopher <echristo@apple.com>
4054 * doc/tm.texi (OBJC_JBLEN): Describe.
4055 * config/i386/darwin.h (OBJC_JBLEN): Define.
4056 * config/rs6000/darwin.h: Ditto.
4058 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4060 PR rtl-optimization/21299
4061 * reload1.c (reload): Purge invalid ASMs in the final pass.
4063 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4066 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4067 pointers as legitimate constants.
4069 2006-09-19 Paul Brook <paul@codesourcery.com>
4072 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4074 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4076 PR tree-optimization/28887
4077 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4078 component parts from the reference.
4079 (gather_memory_references_ref): Record the reference without the
4080 nonaddressable component parts.
4082 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4085 * c-opts.c (c_common_handle_option): Ignore the -std options
4086 if the input language is assembly.
4088 2006-09-17 Ira Rosen <irar@il.ibm.com>
4091 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4093 (ptr_ptr_may_alias_p): Likewise.
4094 (record_record_differ_p): New function.
4095 (base_object_differ_p): Call record_record_differ_p.
4097 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4100 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4101 away for the expr argument.
4103 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4106 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4107 before using it for dumping after vectorizing loops.
4109 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4110 Jack Howarth <howarth@bromo.med.uc.edu>
4113 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4114 skip on error_mark_node.
4115 (rs6000_darwin64_record_arg_recurse): Likewise.
4117 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4119 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4120 * doc/rtl.texi: Remove related documentation.
4122 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4124 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4127 2006-09-15 Jim Wilson <wilson@specifix.com>
4129 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4130 Handle symbol offsets same as they are handled in ia64_expand_move
4133 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4135 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4136 Add forgotten parameter to the fprintf call.
4138 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4140 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4142 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4144 * doc/contrib.texi: Add my entry.
4146 2006-09-15 Nick Clifton <nickc@redhat.com>
4148 * doc/md.texi (Processor pipeline description): Fix typo in
4149 example of how to use the absence_set directive and reword the
4150 description to make it slightly easier to read.
4152 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4154 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4155 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4156 expanding the number of iterations.
4157 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4159 * cfgrtl.c (emit_insn_at_entry): New function.
4160 * rtl.h (emit_insn_at_entry): Declare it.
4161 * integrate.c (emit_initial_value_sets): Use it.
4163 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4165 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4167 (struct loop_work and related VEC declarations): Delete.
4168 (bfin_dump_loops): Print out new member bad.
4169 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4170 (bfin_scan_loop): Don't recurse.
4171 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4172 loops. No longer need to update outer loops if the current one is
4173 found bad. Move some validitiy checks to bfin_discover_loop.
4174 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4175 but changed not to check for nesting. Also changed to use the new bad
4177 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4178 time. Use bitmap based test to discover loop nesting.
4180 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4182 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4185 2006-09-14 Richard Guenther <rguenther@suse.de>
4186 Kazu Hirata <kazu@codesourcery.com>
4188 PR middle-end/28884.
4189 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4190 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4191 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4192 with TARGET_FUNCTION_VALUE.
4194 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4197 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4199 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4201 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4204 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4207 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4210 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4212 * basic_block.h (bb_has_eh_pred): Fix comment.
4214 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4216 * flow.c (calculate_global_regs_live): Invalidate eh registers
4217 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4218 (propagate_block): Handle eh registers as if they were set at basic
4220 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4222 * global.c (global_conflicts): Make eh registers to conflict with
4223 pseudos live at basic block begin.
4224 * basic_block.h (bb_has_eh_pred): New function.
4226 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4228 PR rtl-optimization/28982
4229 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4230 index of a PRE_MODIFY or POST_MODIFY address.
4231 * reload1.c (inc_for_reload): Use find_replacement on the original
4232 base and index registers.
4234 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4236 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4237 for -Os. Update __m128 alignment requirement.
4239 2006-09-13 Jan Hubicka <jh@suse.cz>
4241 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4243 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4245 PR rtl-optimization/28243
4246 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4247 the insn to which the note was originally attached.
4249 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4250 Roger Sayle <roger@eyesopen.com>
4252 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4253 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4254 on platforms that don't use dwarf for debug info.
4256 2006-09-12 Jason Merrill <jason@redhat.com>
4259 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4260 hard_frame_pointer_rtx after using it to update the frame pointer.
4262 2006-09-12 Roger Sayle <roger@eyesopen.com>
4264 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4265 (TARGET_ASM_CLOSE_PAREN): Likewise.
4266 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4267 (TARGET_ASM_CLOSE_PAREN): Likewise.
4269 2006-09-12 Roger Sayle <roger@eyesopen.com>
4272 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4273 frame information for frames larger than 512 Kbytes on Tru64 when
4274 using the native assembler.
4276 2006-09-12 Roger Sayle <roger@eyesopen.com>
4280 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4281 and symbols. Instead use the implementation from cse.c's hash_rtx.
4283 2006-09-12 Jan Hubicka <jh@suse.cz>
4285 PR rtl-optimization/28071
4286 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4287 (vect_transform_loop): Likewise.
4288 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4289 (new_loop_vec_info): Likewise.
4290 (destroy_loop_vec_info): Likewise.
4291 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4292 (create_stmt_ann): Likewise.
4293 (create_tree_ann): Rename to ...
4294 (create_tree_common_ann): ... this one; allocate only the common part
4296 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4297 (get_value_handle): Likewise.
4298 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4299 get_tree_common_ann.
4300 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4301 (vinfo_for_stmt): Use stmt annotations.
4302 * tree-flow.h (tree_ann_common_t): New type.
4303 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4304 (tree_ann, get_tree_ann, create_tree_ann): New.
4305 * tree-flow-inline.h (get_function_ann): Do more type checking.
4306 (stmt_ann): Likewise.
4307 (tree_ann): Rename to ...
4308 (tree_common_ann): ... this one; return ony common_ann
4309 (get_tree_ann): Rename to ...
4310 (tree_common_ann): This one; return only common_ann.
4311 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4314 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4316 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4317 with_cpu by default.
4319 * dwarf2out.c (dwarf_file_data): New.
4320 (enum dw_val_class): Add dw_val_class_file.
4321 (struct dw_val_struct): Add val_file.
4322 (file_table): Change to a hash table.
4323 (file_table_emitted): Delete.
4324 (file_table_last_lookup_index): Delete.
4325 (emitcount): Delete.
4326 (last_emitted_file): New.
4327 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4328 (init_file_table): Delete.
4329 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4330 (AT_addr): Add comment.
4334 (print_die): Handle dw_val_class_file.
4335 (print_dwarf_line_table): Update for new file table structure.
4336 (attr_checksum): Do checksum a filename.
4337 (same_dw_val_p, same_attr_p): Do compare a filename.
4338 (size_of_die): Handle dw_val_class_file.
4339 (value_format): Likewise.
4340 (output_die): Likewise. Also, call maybe_emit_file here.
4341 (struct file_info): Constify filenames. Make file_idx a pointer
4342 to a struct dwarf_file_data.
4343 (struct dir_info): Constify directory names. Remove 'used' field.
4344 (struct file_name_acquire_data): New.
4345 (file_name_acquire): New.
4346 (output_file_names): Modify to handle new file data structures.
4347 (add_src_coords_attributes): Use add_AT_file.
4348 (add_call_src_coords_attributes): Likewise.
4349 (dwarf2out_imported_module_or_decl): Likewise.
4350 (gen_subprogram_die): Modify for new file data structures.
4351 (gen_variable_die): Likewise.
4352 (file_table_eq): New.
4353 (file_table_hash): New.
4354 (file_table_last_lookup): New.
4355 (lookup_filename): Rewrite to handle new file data structures.
4356 (maybe_emit_file): Rewrite to handle new file data structures.
4357 (dwarf2out_source_line): Always call lookup_filename and
4359 (dwarf2out_init): Create file_table here.
4360 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4361 (file_table_relative_p): New.
4362 (dwarf2out_finish): Change detection of relative filenames
4363 to work with new file data structures. Move output_line_info call
4364 after debug_info output.
4366 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4371 * config/i386/i386.c (override_options): Always default to 16
4372 byte stack boundary.
4374 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4377 * var-tracking.c (dump_dataflow_set): Start dumping at
4379 (clobber_variable_part): Kill only the variable part in
4380 registers holding it, leaving other variables alone.
4382 2006-09-11 Josh Triplett <josh@freedesktop.org>
4384 * doc/extend.texi (Other Builtins): Actually use the macro
4385 argument in the documentation example for
4386 __builtin_types_compatible_p.
4388 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4390 PR rtl-optimization/28726
4391 * sched-deps.c (sched_analyze_reg): New function extracted from...
4392 (sched_analyze_1): ...here. Call it to analyze references to
4393 registers. Treat again writes to a stack register as writing to the
4395 (sched_analyze_2): ...and here. Call it to analyze references to
4396 registers. Treat again reads of a stack register as reading the
4399 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4400 David Edelsohn <edelsohn@gnu.org>
4403 * config/rs6000/spe.md (frob_df_di): Remove %H.
4404 (frob_di_df): Remove %H. Change evmergelo to mr.
4405 (frob_di_df_2): Remove %H. Change evldd to two loads.
4407 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4409 * doc/cpp.texi: Fix names of charset options.
4411 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4414 * config/i386/i386.c (override_options): Use 128-bit
4415 stack boundary always for 64bits.
4417 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4419 PR rtl-optimization/28636
4420 * combine.c (force_to_mode): Test for side-effects before
4421 substituting by zero.
4422 (simplify_shift_const): Likewise for zero or other constants.
4424 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4427 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4430 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4433 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4434 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4435 returned by mode_for_size, rather than the mode of src itself,
4436 to choose between 32-bit and 64-bit patterns.
4437 (mips_mem_fits_mode_p): New function.
4438 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4439 that the size of the source matches the size of the destination.
4440 (mov_<store>l, mov_<store>r): Likewise.
4442 2006-09-10 Eric Christopher <echristo@apple.com>
4444 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4447 2006-09-09 Eric Christopher <echristo@apple.com>
4450 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4453 2006-09-09 Roger Sayle <roger@eyesopen.com>
4454 Nicolas Setton <setton@adacore.com>
4456 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4458 2006-09-10 Andreas Schwab <schwab@suse.de>
4460 * config/m68k/m68k.md (bungt_rev): New pattern.
4462 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4463 Dale Johannesen <dalej@apple.com>
4466 * regclass.c (struct reg_pref): Update documentation.
4467 (regclass): Set prefclass to NO_REGS if memory is the best option.
4468 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4470 2006-09-08 Eric Christopher <echristo@apple.com>
4472 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4473 * config/t-slibgcc-darwin: Support x86_64 multilib.
4474 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4475 Return 1 for x86_64-darwin.
4476 * config/i386/t-darwin: Add m64 multilib.
4477 (LIB2_SIDITI_CONV_FUNCS): Use.
4478 (LIB2FUNCS_EXTRA): Ditto.
4479 * config/i386/darwin.h: Support x86_64.
4480 * config/i386/i386.c (override_options): Turn on flag_pic
4481 for x86_64-darwin. Disable flag_omit_pointer.
4482 (get_pc_thunk_name): Assert !TARGET_64BIT.
4483 (legitimate_address_p): Disable machopic addressing for
4485 (legitimize_pic_address): Ditto.
4486 (ix86_expand_move): Ditto.
4487 (ix86_expand_call): Ditto.
4488 (machopic_output_stub): Ditto.
4489 * config/darwin.c (machopic_select_section): Support literal16.
4490 (machopic_select_rtx_section): Ditto.
4491 * config/darwin-sections.def: Ditto.
4492 * config/darwin-64.c: New.
4494 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4497 * c-tree.h (struct c_arg_info): Add pending_sizes.
4498 * c-parser.c (c_parser_parms_declarator,
4499 c_parser_parms_list_declarator): Initialize pending_sizes.
4500 * c-decl.c (get_parm_info): Initialize pending_sizes.
4501 (get_parm_info): Set pending_sizes.
4502 (grokdeclarator): Call put_pending_sizes for parameters for
4503 function definition only.
4505 2006-09-07 Jason Merrill <jason@redhat.com>
4508 * varasm.c (output_constant): Only strip actual no-op conversions.
4511 * config/i386/i386.c (override_options): Use 128-bit
4512 stack boundary if -msse.
4514 2006-09-07 Eric Christopher <echristo@apple.com>
4516 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4518 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4521 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4523 * dwarf2out.c: Remove strange characters from comment above
4524 dwarf2out_frame_debug_expr.
4526 2006-09-07 Eric Christopher <echristo@apple.com>
4528 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4529 * config/darwin.h: ... to here.
4531 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4533 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4535 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4536 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4538 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4539 TARGET_PARTIAL_FLAG_REG_STALL.
4540 (*ashldi3_cconly_rex64): Likewise.
4541 (*ashlsi3_cmp): Likewise.
4542 (*ashlsi3_cconly): Likewise.
4543 (*ashlsi3_cmp_zext): Likewise.
4544 (*ashlhi3_cmp): Likewise.
4545 (*ashlhi3_cconly): Likewise.
4546 (*ashlqi3_cmp): Likewise.
4547 (*ashlqi3_cconly): Likewise.
4548 (*ashrdi3_cmp_rex64): Likewise.
4549 (*ashrdi3_cconly_rex64): Likewise.
4550 (*ashrsi3_cmp): Likewise.
4551 (*ashrsi3_cconly): Likewise.
4552 (*ashrsi3_cmp_zext): Likewise.
4553 (*ashrhi3_cmp): Likewise.
4554 (*ashrhi3_cconly): Likewise.
4555 (*ashrqi3_cmp): Likewise.
4556 (*ashrqi3_cconly): Likewise.
4557 (*lshrdi3_cmp_rex64): Likewise.
4558 (*lshrdi3_cconly_rex64): Likewise.
4559 (*lshrsi3_cmp): Likewise.
4560 (*lshrsi3_cconly): Likewise.
4561 (*lshrsi3_cmp_zext): Likewise.
4562 (*lshrhi3_cmp): Likewise.
4563 (*lshrhi3_cconly): Likewise.
4564 (*lshrqi2_cmp): Likewise.
4565 (*lshrqi2_cconly): Likewise.
4567 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4570 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4571 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4572 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4573 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4574 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4575 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4576 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4577 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4578 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4579 implement only CC setting effects of shift instructions.
4581 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4583 * doc/contrib.texi: Add myself.
4585 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4588 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4589 was set by the user.
4591 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4594 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4595 (divsi_inv_m1): Use them.
4596 (UNSPEC_DIV_INV_TABLE): New constant.
4598 2006-09-06 James E Wilson <wilson@specifix.com>
4601 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4602 then call count_or_remove_death_notes.
4604 2006-09-06 Jason Merrill <jason@redhat.com>
4607 * tree-inline.c (copy_result_decl_to_var): New fn.
4608 (declare_return_variable): Use it. Call declare_inline_vars here.
4609 (expand_call_inline): Not here.
4611 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4613 * doc/contrib.texi: Update my entry.
4615 2006-09-06 Nick Clifton <nickc@redhat.com>
4617 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4619 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4622 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4623 (canonicalize_induction_variables): Likewise.
4624 (tree_unroll_loops_completely): Likewise.
4625 (tree_ssa_prefetch_arrays): Likewise.
4626 (remove_empty_loops): Likewise.
4627 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4628 TODO_cleanup_cfg instead of directly calling
4629 cleanup_tree_cfg_loop.
4630 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4632 (tree_unroll_loops_completely): Likewise.
4633 (remove_empty_loops): Likewise.
4634 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4635 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4636 of tree_ssa_unswitch_loops.
4637 (tree_ssa_loop_ivcanon): Use the return value of
4638 canonicalize_induction_variables.
4639 (tree_ssa_empty_loop): Use the return value of
4641 (tree_complete_unroll): Use the return value of
4642 tree_unroll_loops_completely.
4643 (tree_ssa_loop_prefetch): Use the return value of
4644 tree_ssa_prefetch_arrays.
4645 * passes.c (execute_todo): Before Cleanup CFG, set
4646 updating_used_alone and after cleanup CFG, call
4647 recalculate_used_alone.
4649 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4652 * tree-vect-transform.c (vectorizable_condition): Move the check
4653 for the type after the check for simple condition.
4655 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4656 Kaz Kojima <kkojima@gcc.gnu.org>
4659 * mode-switching.c (optimize_mode_switching): Make the destination
4660 block of an abnormal edge have no anticipatable mode. Don't
4661 insert mode switching code at the end of the source block of
4664 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4666 PR rtl-optimization/26847
4667 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4668 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4669 (simplify_plus_minus): Count n_constants while filling ops. Replace
4670 qsort with insertion sort. Before going through the array to simplify
4671 pairs, sort it. Delay early exit until after the first sort, exiting
4672 only if no swaps occurred. Simplify pairs in reversed order, without
4673 special-casing the first iteration. Pack ops after simplifying pairs.
4675 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4677 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4678 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4679 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4680 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4682 2006-09-05 Richard Guenther <rguenther@suse.de>
4684 PR tree-optimization/28900
4685 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4686 compound conditional before creating COND_EXPR condition.
4688 2006-09-05 Richard Guenther <rguenther@suse.de>
4690 PR tree-optimization/28905
4691 * tree-vrp.c (fix_equivalence_set): Manually implement
4692 !value_ranges_intersect_p to also handle symbolic ranges.
4694 2006-09-05 Richard Guenther <rguenther@suse.de>
4697 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4700 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4702 PR rtl-optimization/27616
4703 * cse.c (table_size): New static variable.
4704 (new_basic_block): Initialize it to 0.
4705 (remove_from_table): Decrement it.
4706 (insert): Increment it.
4707 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4708 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4709 fold_rtx_mem_1 if under the cap.
4710 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4711 the lookup of the equivalent expression and test for equality of the
4712 first operand of the equivalent expression before in turn looking up
4713 an equivalent constant for the second operand.
4715 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4718 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4719 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4720 pointer, instead of assuming it is possible to derive the
4721 correct args size from a call insn.
4723 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4726 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4727 (fold_builtin_mempcpy): Rename to...
4728 (fold_builtin_memory_op): ... this. Optimize one element copy
4730 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4732 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4733 (expand_builtin_memcpy, expand_builtin_mempcpy,
4734 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4735 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4736 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4737 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4739 2006-09-01 DJ Delorie <dj@redhat.com>
4741 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4742 (stzx_16): Likewise.
4743 ("stzx_24_<mode>"): Likewise.
4744 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4745 ("cmp<mode>_op"): New.
4746 (cmp<mode>): Change to expander; just save operands.
4748 (b<code>): Change to expander, emit compare here.
4749 (s<code>_op): Change to use split and expander.
4750 (s<code>_24_op): Likewise.
4751 (s<code>_<mode>): New.
4752 (s<code>_<mode>_24): New.
4753 (movqicc_<code>_<mode): New.
4754 (movhicc_<code>_<mode>): New.
4757 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4758 (m32c_pend_compare): New.
4759 (m32c_unpend_compare): New.
4760 (m32c_expand_scc): New.
4761 (m32c_expand_movcc): Emit the compare also.
4762 * config/m32c/predicates.md (mra_nopp_operand): New.
4764 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4765 Richard Guenther <rguenther@suse.de>
4766 Adam Nemet <anemet@caviumnetworks.com>
4769 * builtins.c (get_pointer_alignment): Handle more forms
4770 of base addresses that can be used to derive more precise
4771 information about alignment.
4773 2006-09-01 Jason Merrill <jason@redhat.com>
4776 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4779 * gimplify.c (voidify_wrapper_expr): Handle null type.
4781 2006-09-01 Josh Conner <jconner@apple.com>
4784 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4785 (execute_return_slot_opt): Use it.
4787 2006-08-31 Josh Conner <jconner@apple.com>
4790 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4791 returning aggregates.
4793 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4795 PR tree-optimization/28839
4796 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4797 blocks in that phi arguments appear.
4799 2006-08-31 Roger Sayle <roger@eyesopen.com>
4802 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4803 NULL, otherwise use an advance_loc4 to adjust relative to the
4805 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4806 (dwarf2out_switch_text_section): Reset the current label to avoid
4807 using advance_loc4 over section boundaries.
4809 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4812 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4813 r12 + SYMBOLIC_CONST.
4815 2006-08-30 Richard Guenther <rguenther@suse.de>
4817 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4819 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4821 PR rtl-optimization/27735
4822 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4823 Add new argument to keep track of whether an irreducible region
4824 was affected. All callers changed.
4825 (fix_irreducible_loops): Removed.
4826 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4827 flags were invalidated.
4829 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4831 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4832 instead of SF operands.
4833 (*fop_df_comm_sse): Likewise.
4834 (*fop_df_comm_i387): Likewise.
4835 (*fop_df_1_mixed): Likewise.
4836 (*fop_df_1_sse): Likewise.
4838 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4839 J"orn Rennecke <joern.rennecke@st.com>
4841 PR tree-optimization/17506
4842 * tree-ssa.c (warn_uninit): If warning about a location outside of
4843 the current function, note where the variable was declared.
4845 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4847 PR tree-optimization/28411
4848 * double-int.c (double_int_div): Use double_int_divmod.
4849 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4850 double_int_mod, double_int_smod, double_int_umod): New functions.
4851 * double-int.h (double_int_divmod, double_int_sdivmod,
4852 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4854 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4856 (get_computation_aff, get_computation_cost_at): Handle double_int
4857 return type of constant_multiple_of.
4859 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4862 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4863 an implicit conversion.
4865 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4867 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4869 2006-08-27 Roger Sayle <roger@eyesopen.com>
4871 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4874 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4876 * config/i386/crtfastmath.c: Fix a comment typo.
4878 2006-08-26 Roger Sayle <roger@eyesopen.com>
4880 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4881 temporary visit flags on CASE_LABEL_EXPRs.
4882 * c-common.c (match_case_to_enum): Add function comment. Avoid
4883 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4884 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4885 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4886 a constant, only warn if that constant value isn't handled.
4888 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4891 * input.h (restore_input_file_stack): Declare.
4892 (INPUT_FILE_STACK_BITS): Define.
4893 * toplev.c (fs_p, input_file_stack_history,
4894 input_file_stack_restored, restore_input_file_stack): New.
4895 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4896 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4897 (pop_srcloc): Don't free old state of stack.
4899 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4902 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4903 (PowerPC Type Attributes): New.
4905 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4907 * config/xtensa/xtensa.c (function_arg_boundary): New.
4908 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4910 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4911 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4913 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4916 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4919 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4921 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4922 (verify_local_live_at_start): Likewise.
4924 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4927 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4928 omp_add_variable): Treat sizes as variable whenever not
4931 2006-08-26 Richard Guenther <rguenther@suse.de>
4934 * fold-const.c (fold_binary): Fold temporary to correct
4935 type before constructing new comparison.
4937 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4940 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4941 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4943 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4946 * c-decl.c (start_function): Don't try to process prototype
4947 information from old declaration that isn't a function.
4949 2006-08-25 Jan Hubicka <jh@suse.cz>
4952 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4954 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4957 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4960 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4962 PR tree-optimization/16876
4963 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4964 exit if PARM doesn't match VALUE.
4966 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4968 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4969 literal_prefix directive.
4970 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4971 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4972 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4974 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4977 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4978 predicate to general_operand. Add 0->y and I->r alternatives.
4980 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4982 * doc/tm.texi: Fix a typo.
4983 * predict.c: Fix comment typos.
4985 2006-08-25 Nick Clifton <nickc@redhat.com>
4987 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4988 assertions of "cpu" and "machine".
4990 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4993 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4994 the access through a base which has an alias set of 0 cannot
4997 2006-08-24 Bill Wendling <wendling@apple.com>
4999 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5001 2006-08-24 Jan Hubicka <jh@suse.cz>
5003 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5005 2006-08-24 Jan Hubicka <jh@suse.cz>
5008 * cgraph.c: Fix comments.
5009 (cgraph_varpool_mark_needed_node): Mark only variables not already
5011 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5012 (cgraph_varpool_assembled_nodes_queue): New static variable.
5013 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5014 (cgraph_varpool_output_debug_info): New function.
5015 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5016 * Makefile.in: Add gt-cgraphunit.h
5018 2006-08-24 Jan Hubicka <jh@suse.cz>
5020 * predict.c (probability_reliable_p): New predicate.
5021 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5022 (predict_loops): Do not predict loop exit with less than 2%
5024 * basic-block.h (edge_probability_reliable_p,
5025 br_prob_note_reliable_p): Declare.
5026 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5027 prediction when static predictor is not reliable.
5028 * rs6000.c (output_cbranch): Likewise.
5030 2006-08-23 Stuart Hastings <stuart@apple.com>
5033 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5034 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5036 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5039 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5040 complex values, nor for generic vector values.
5042 2006-08-22 Richard Guenther <rguenther@suse.de>
5045 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5046 parameter. Convert arguments to arithmetic expression to the
5048 (analyze_scalar_evolution_1): Adjust caller.
5050 2006-08-22 Jan Hubicka <jh@suse.cz>
5052 Patch by Paolo Bonzini
5053 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5056 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5058 PR tree-optimization/28003
5059 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5060 before grouping aliases.
5062 2006-08-22 Roger Sayle <roger@eyesopen.com>
5064 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5065 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5067 2006-08-21 Jason Merrill <jason@redhat.com>
5070 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5071 wrapper. Loop to handle nested wrappers.
5072 (gimplify_bind_expr): Remove temp parameter.
5073 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5074 and STATEMENT_LIST on the rhs.
5075 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5076 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5077 (gimplify_target_expr): Remove special BIND_EXPR handling.
5079 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5081 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5084 2006-08-21 Olivier Hainque <hainque@adacore.com>
5086 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5087 Arrange for the temporary captures of components overlapping the lhs
5088 to happen before the lhs is possibly cleared.
5090 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5092 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5093 necessary places to pass the correct "number of registers" values
5096 2006-08-20 Jan Hubicka <jh@suse.cz>
5098 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5099 (create_name_tags): Instead of quadratic checking use hashtable.
5100 * bitmap.h: Include hashtab.h.
5101 (bitmap_hash): Declare.
5102 * bitmap.c (bitmap_hash): New function.
5104 2006-08-20 Jan Hubicka <jh@suse.cz>
5106 PR rtl-optimization/28071
5107 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5109 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5110 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5111 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5112 cgraph_decide_inlining_incrementally): Update use of
5113 cgraph_check_inline_limits.
5114 * cgraph.c (edge_hash, edge_eq): New function.
5115 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5116 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5117 cgraph_remove_node): Maintain call site hash.
5118 * cgraph.h (struct cgraph_node): Add call_site_hash.
5119 (cgraph_set_call_stmt): New function.
5121 2006-08-20 Jan Hubicka <jh@suse.cz>
5123 PR rtl-optimization/28071
5124 * reload1.c (reg_has_output_reload): Turn into regset.
5125 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5126 choose_reload_regs, emit_reload_insns): Update to new
5127 reg_has_output_reload.
5129 2006-08-20 Jan Hubicka <jh@suse.cz>
5132 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5133 function body sizes.
5134 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5136 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5139 * tree.c (handle_dll_attribute): Return early if not a
5140 var or function decl.
5142 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5145 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5146 alignment of SPE vector types.
5148 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5150 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5152 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5155 * cgraph.h (struct cgraph_node): Remove externally_visible
5157 * cgraphunit.c (process_function_and_variable_attributes): Set
5158 local.externally_visible rather than externally_visible.
5161 * c-common.c (handle_externally_visible_attribute): First look
5162 at TREE_CODE and only if it is function or var decl, check for
5163 non-public objects. Don't warn for DECL_EXTERNAL.
5164 * cgraphunit.c (process_function_and_variable_attributes): Warn
5165 if externally_visible attribute is used on non-public object.
5167 2006-08-17 Jan Hubicka <jh@suse.cz>
5169 PR tree-optimization/27865
5170 * reload1.c (forget_marked_reloads): New function.
5171 (forget_old_reloads_1): When data are passed, just mark the registers
5173 (reload_as_needed): Use the new mechanizm.
5175 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5178 * reload.h (reg_equiv_alt_mem_list): New declaration.
5179 * reload1.c (reg_equiv_alt_mem_list): New definition.
5180 (reload): Initialize it and release it.
5181 (delete_output_reload): Use it.
5182 * reload.c (push_reg_equiv_alt_mem): New function.
5183 (find_reloads_toplev): Call it.
5184 (find_reloads_address, find_reloads_address_1): Likewise.
5185 (find_reloads_subreg_address): Likewise.
5187 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5189 PR rtl-optimization/28489
5190 * sched-ebb.c (begin_schedule_ready): Create basic block
5192 (advance_target_bb): Skip empty blocks.
5193 * haifa-sched.c (bb_note): Make global.
5194 * sched-int.h (bb_note): Add prototype.
5196 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5198 PR tree-optimization/27865
5199 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5201 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5202 fold_used_pointer, pointer_used_p): New functions.
5203 (analyze_scalar_evolution_1): Use fold_used_pointer.
5204 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5205 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5208 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5211 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5212 or the INTEGER_CST. Fail on a CALL_EXPR.
5213 (fold_offsetof): Pass new argument to fold_offsetof_1.
5214 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5215 operand into an INDIRECT_REF.
5216 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5218 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5220 PR gcov/profile/26570
5221 * value-prof.c (static_values): Removed.
5222 (tree_find_values_to_profile): Do not set static_values.
5223 (find_values_to_profile): Do not free static_values.
5224 * profile.c (instrument_values): Do not free the values.
5225 (branch_prob): Free the values.
5227 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5229 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5231 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5234 * c-typeck.c (build_component_ref): Combine qualifiers of
5235 structure or union and field.
5237 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5239 PR rtl-optimization/28071
5240 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5241 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5242 * tree-into-ssa.c (struct dom_dfsnum): New.
5243 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5245 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5246 compute_global_livein.
5247 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5248 in phi nodes in the correct blocks.
5250 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5252 PR tree-optimization/28364
5253 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5255 (fold_affine_expr): New function.
5256 (may_eliminate_iv): Use fold_affine_expr.
5258 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5261 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5264 2006-08-16 Mike Stump <mrs@apple.com>
5266 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5267 * doc/cppopts.texi (-MD): Likewise.
5269 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5272 * c-common.c (handle_weak_attribute): Ignore and warn if
5273 not a FUNCTION_ or VAR_DECL.
5275 2006-07-15 Mike Stump <mrs@apple.com>
5278 * c-parser.c (c_parser_typeof_specifier): Don't use
5279 c_finish_expr_stmt, open code desired semantics instead.
5281 2006-08-15 Nick Clifton <nickc@redhat.com>
5283 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5284 fragment to tmake_file only if threads are enabled.
5285 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5286 * config/i386/t-gthr-win32: New file. ... here.
5288 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5291 * c-parser.c (c_parser_compound_statement_nostart): Reset
5292 parser->error after each statement.
5294 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5297 * omp-low.c (lower_omp_parallel): Convert t to
5298 receiver_decl's type.
5299 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5300 source before comparison.
5303 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5304 to itype in assignment to oldival2.
5306 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5310 * c-typeck.c (build_compound_expr): If the second expression
5311 is an error mark, then just return an error mark instead of
5312 creating a COMPOUND_EXPR.
5314 2006-07-14 Mike Stump <mrs@apple.com>
5316 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5318 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5320 * c-decl.c, var-tracking.c: Fix comment typos.
5322 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5324 PR rtl-optimization/28634
5325 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5326 for floating-point modes unless flag_unsafe_math_optimizations.
5328 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5329 Andrew Pinski <pinskia@physics.uc.edu>
5332 * tree.c (build_array_type): Unify array types with
5333 unspecified index_type.
5334 * c-decl.c (grokdeclarator): Make sure we do not modify a
5335 unified incomplete array type.
5336 * c-typeck.c (store_init_value): Create distinct type before
5337 filling in the index type in an initializer from a compound
5340 * c-decl.c (grokdeclarator): Remove code where we copy the
5343 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5345 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5346 into account for TODO_dump_cgraph.
5347 (TODO_update_ssa_no_phi): Likewise.
5348 (TODO_update_ssa_full_phi): Likewise.
5349 (TODO_update_ssa_only_virtuals): Likewise.
5350 (TODO_remove_unused_locals): Likewise.
5351 (TODO_set_props): Likewise.
5352 (TODO_update_stmt_usage): Likewise.
5354 2006-08-13 Dirk Mueller <dmueller@suse.de>
5356 * c-common.c (strict_aliasing_warning): Fix formatting.
5358 2006-08-13 Matthias Klose <doko@debian.org>
5360 * doc/invoke.texi: Fix spelling errors.
5362 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5364 PR rtl-optimization/23454
5365 * reorg.c (relax_delay_slots): Update comment.
5367 2006-08-11 Richard Guenther <rguenther@suse.de>
5370 * simplify-rtx.c (simplify_const_relational_operation):
5371 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5374 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5376 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5377 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5379 2006-08-10 Paul Brook <paul@codesourcery.com>
5381 * final.c (final_scan_insn): Clear current_insn_predicate before
5382 outputting inline asm.
5384 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5386 PR tree-optimization/26197
5387 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5388 get_ref_base_and_extent and overlap_subvar to add only relevant
5389 subvars as may-aliases.
5390 (add_may_alias_for_new_tag): New function, factored out of
5392 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5393 with additional argument.
5394 * tree-flow.h (new_type_alias): Takes additional argument.
5396 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5398 * gcov.c (no_data_file): New flag.
5399 (read_count_file): Set it if data file not present. Assume counts
5401 (output_lines): Don't name the data file, if there wasn't one.
5403 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5405 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5406 (rs6000_generate_compare): Tweak comments.
5407 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5409 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5411 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5412 (var_debug_decl): New function.
5413 (var_reg_set): Follow debug decl link. Add location even if
5414 reg is already known to hold some other variable.
5415 (var_mem_set): Follow debug decl link.
5416 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5417 decl link. Delete other known locations of the variable part
5419 (var_reg_delete, var_mem_delete): Delete other known locations
5420 of the variable part if requested.
5421 (same_variable_part_p): New function.
5422 (add_stores): Select MO_COPY when appropriate.
5423 (vt_initialize): Handle it.
5424 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5425 known locations for MO_SET and MO_CLOBBER.
5426 (find_variable_location_part): New function.
5427 (set_variable_part, delete_variable_part): Use it.
5428 (clobber_variable_part): New function.
5429 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5432 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5434 PR tree-optimization/26969
5435 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5436 with an empty list of PHIs.
5438 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5442 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5445 2006-08-06 Andreas Schwab <schwab@suse.de>
5447 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5448 string. Whitespace and comment fixup.
5450 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5453 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5457 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5460 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5462 2006-08-04 Jan Hubicka <jh@suse.cz>
5466 * reload.c (push_reload): Patch out the mismatching instruction;
5468 (find_reload): Bail out if the instruction was patched out.
5470 2006-08-04 Jan Hubicka <jh@suse.cz>
5472 PR tree-optimization/24888
5473 * tree-inline.c (expand_call_inline): Do not re-record variables.
5474 (declare_inline_vars): Add variable to unexpanded_var_list.
5476 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5477 Roger Sayle <roger@eyesopen.com>
5479 PR rtl-optimization/26244
5480 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5481 inner_const are negative or greater than or equal to the bitsize of
5482 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5483 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5484 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5485 CONST0_RTX (mode) when the new shift count is greater than or equal to
5486 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5489 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5491 * tree-cfg.c: Fix a comment typo.
5493 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5496 * varasm.c (output_constant): Give the front end another chance to
5497 expand constants, after stripping NOPs.
5499 2006-08-03 Jan Hubicka <jh@suse.cz>
5501 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5504 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5506 PR tree-optimization/27770
5507 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5508 declaration removed (moved to tree-flow.h).
5509 (vect_can_force_dr_alignment_p): Likewise.
5510 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5511 (moved from tree-vectorizer.h).
5512 (vect_can_force_dr_alignment_p): Likewise.
5513 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5514 from outside the vectorizer - in particular from cgraph stage.
5515 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5516 the alignment of global arrays when -fsection-anchors is enabled.
5517 * cgraphunit.c (cgraph_increase_alignment): New function.
5518 (cgraph_optimize): Call cgraph_increase_alignment.
5520 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5523 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5524 not reload a SPE symbol_ref into a lo_sum address.
5526 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5529 * dwarf2out.c (prune_unused_types_prune): Move call to
5530 prune_unused_types_update_strings to cover the parent DIE also.
5532 2006-08-02 Jan Hubicka <jh@suse.cz>
5534 PR gcov/profile/28480
5535 * tree-cfg.c (change_bb_for_stmt): New function.
5536 (tree_merge_blocks, tree_split_blocks): Use it.
5538 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5544 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5545 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5546 (cgraph_optimize): Likewise.
5548 2006-08-01 Stuart Hastings <stuart@apple.com>
5550 * rtl.h (UINTVAL) New.
5551 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5552 * testsuite/gcc.dg/20060801-1.c: New.
5554 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5557 * c-typeck.c (build_external_type): Mark used enum types.
5558 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5560 (gen_subprogram_die): Whitespace fix.
5562 2006-08-01 Jan Hubicka <jh@suse.cz>
5564 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5565 bitmap when not needed.
5566 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5569 2006-08-01 Dirk Mueller <dmueller@suse.de>
5571 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5573 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5575 * Makefile.in: Revert part of previous patch:
5576 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5579 2006-07-30 Eric Christopher <echristo@apple.com>
5582 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5583 (PowerPC Variable Attributes): New section.
5585 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5587 PR target/28126 (partial fix)
5588 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5590 2006-07-28 Jan Hubicka <jh@suse.cz>
5592 PR rtl-optimization/28071
5593 * cfgrtl.c (rtl_delete_block): Free regsets.
5594 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5596 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5598 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5599 and variables used in dependencies.
5601 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5603 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5604 %fs for -mcmodel=kernel.
5605 (stack_tls_protect_test_di): Likewise.
5607 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5609 * Makefile.in: Use mkinstalldirs.
5611 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5614 * opts-common.c (prune_options): Skip joined switches.
5616 2006-07-27 Jan Hubicka <jh@suse.cz>
5618 PR rtl-optimization/28071
5619 * cselib.c (cselib_process_insn): Don't remove useless values too
5620 often for very large hashtables.
5622 2006-07-27 Jan Hubicka <jh@suse.cz>
5624 PR rtl-optimization/28071
5625 * global.c (greg_obstack): New obstack.
5626 (allocate_bb_info): Use it.
5627 (free_bb_info): Likewise.
5628 (modify_reg_pav): Likewise.
5630 2006-07-27 Roger Sayle <roger@eyesopen.com>
5632 * builtins.c (fold_fixed_mathfn): When long and long long are the
5633 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5634 functions to their lceil*, lfloor*, lround* and lrint* forms.
5636 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5639 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5641 (rev_branch_insn): Likewise.
5643 2006-07-27 Jan Hubicka <jh@suse.cz>
5645 PR rtl-optimization/28071
5646 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5647 (reg_set_in_bb, max_reg_computed): New static variables.
5648 (regmove_optimize): Free the new array.
5649 (fixup_match_1): Update call of reg_is_remote_constant_p.
5651 2006-07-26 Jan Hubicka <jh@suse.cz>
5653 PR tree-optimization/27882
5654 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5656 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5658 (cgraph_analyze_compilation_unit): Likewise.
5659 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5660 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5661 (cgraph_early_inlinine): Make order garbage collected.
5662 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5664 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5666 * dbxout.c (output_types_sort): Add a comment.
5667 (output_used_types): Free the VEC.
5669 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5671 * function.c (reorder_fix_fragments): Delete.
5672 (reorder_blocks): Don't call it.
5673 (reorder_blocks_1): Put all subblocks under the origin block.
5675 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5677 PR rtl-optimization/27907
5678 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5681 2006-07-25 Roger Sayle <roger@eyesopen.com>
5684 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5685 bar(x) check that bar's result type can represent all the values of T.
5687 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5689 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5691 2006-07-25 Nick Clifton <nickc@redhat.com>
5693 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5694 size_lookup[] array.
5695 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5696 (ggc_pch_count_object): Likewise.
5697 (ggc_pch_alloc_object): Likewise.
5698 (ggc_pch_write_object): Likewise.
5699 (init_ggc): Do not attempt to initialize entries in the
5700 size_lookup[] array for objects whose size is greater than than
5701 the length of the array.
5703 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5705 * dbxout.c (output_used_types_helper): Push queued types
5707 (output_types_sort): New.
5708 (output_used_types): Collect used types on a VEC and sort them
5711 2006-07-24 Richard Guenther <rguenther@suse.de>
5714 * cgraph.c (cgraph_remove_node): Do not check if dumps
5716 * cgraphunit.c (cgraph_optimize): Likewise.
5718 2006-07-24 Jan Hubicka <jh@suse.cz>
5720 PR rtl-optimization/28071
5721 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5722 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5723 splitting before first stmt.
5725 2006-07-24 Jan Hubicka <jh@suse.cz>
5727 PR rtl-optimization/28071
5728 * ipa-inline.c (update_caller_keys): Remove edges that
5729 are no longer inline candidates.
5731 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5734 * dbxout.c (output_used_types_helper, output_used_types): New.
5735 (dbxout_symbol): Call output_used_types.
5737 2006-07-23 Jan Hubicka <jh@suse.cz>
5741 * cgraph.c (cgraph_varpool_nodes): Export.
5742 (decide_is_variable_needed): Ignored "used" attribute in
5743 unit-at-a-time mode.
5744 * cgraph.h (cgraph_varpool_nodes): Declare.
5745 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5746 unit-at-a-time mode.
5748 2006-07-23 Roger Sayle <roger@eyesopen.com>
5751 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5752 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5753 the __gthrw form of thr_keycreate.
5754 (__gthread_key_delete): Silence the unused argument warning.
5756 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5759 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5760 Cache the last found '\0' marker to avoid quadratic behavior.
5762 2006-07-23 Jan Hubicka <jh@suse.cz>
5764 * i386.md (subsi_3_zext): Fix output template.
5766 2006-07-21 Mike Stump <mrs@apple.com>
5768 * doc/invoke.texi (C++ Dialect Options): Note that
5769 -fvisibility-inlines-hidden doesn't affect explicitly
5770 instantiationed inline methods.
5772 2006-07-20 Roger Sayle <roger@eyesopen.com>
5774 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5775 if the target assembler is GNU binutils' gas.
5776 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5777 whether to pass GNU gas or native as command line options.
5779 2006-07-20 Jason Merrill <jason@redhat.com>
5781 * tree.c (remove_attribute): New fn.
5782 * tree.h: Declare it.
5784 2006-07-20 Paul Brook <paul@codesourcery.com>
5787 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5788 they are invalidated by this instruction.
5790 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5793 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5795 2006-07-20 Eric Christopher <echristo@apple.com>
5798 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5800 2006-07-19 Eric Christopher <echristo@apple.com>
5802 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5803 Rewrite dependencies for libgcc_s.1.dylib.
5805 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5807 * except.c (duplicate_eh_regions_1): Clear next_peer.
5809 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5811 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5812 -mlongcall does not guarantee all calls will be long.
5813 * doc/extend.texi (long_call/short_call): Document that longcall
5814 does not guarantee a long call will be used.
5815 (longcall/shortcall): Likewise.
5817 2006-07-18 Roger Sayle <roger@eyesopen.com>
5820 * expmed.c (expand_shift): Additionally check that the shift_cost
5821 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5822 before implementing a LSHIFT_EXPR as a sequence of additions.
5823 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5824 middle-end that DImode shifts need to be synthesized by expand.
5826 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5829 * tree-ssa-operands.c (access_can_touch_variable): Update
5831 Return true if ALIAS is .GLOBAL_VAR.
5833 2006-07-18 David Daney <ddaney@avtrex.com>
5835 * gcc.c (display_help): Fix typo in help text.
5837 2006-07-18 Olivier Hainque <hainque@adacore.com>
5839 * tree.h (categorize_ctor_elements): Adjust prototype and add
5840 descriptive comment, both in accordance with the interface change
5842 * varasm.c (constructor_static_from_elts_p): New function.
5843 Whether a constructor node is a valid static constant initializer
5844 if all its elements are.
5845 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5846 * output.h: Declare it.
5847 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5848 is a valid constant initializer instead of computing the number of
5849 non-constant elements. Use constructor_static_from_elts_p for this
5850 purpose. Replace the head comment with an indication that this is a
5851 helper for categorize_ctor_elements.
5852 (categorize_ctor_elements): Same interface change as for the _1
5853 helper. Former head comment from this helper moved here, adjusted to
5854 account for the interface changes.
5855 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5856 (all_zeros_p): Likewise.
5857 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5858 static versions of the constructor from the categorize_ctor_elements
5859 return value instead of the formerly computed number of non-constant
5862 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5864 * configure: Regenerate.
5865 * Makefile.in (build_libsubdir): New configure substitution
5866 (build_libobjdir): New variable.
5867 (BUILD_LIBIBERTY): Use it.
5869 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5872 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5874 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5877 * c-common.c (handle_weakref_attribute): Ignore attribute in
5878 the same conditions the alias attribute is ignored.
5880 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5882 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5883 (dbxout_begin_prologue): Increment scope_labelno.
5885 2006-07-17 Richard Henderson <rth@redhat.com>
5888 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5891 2006-07-17 Roger Sayle <roger@eyesopen.com>
5892 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5894 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5895 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5896 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5897 functions such as sbrk, write, etc.. Add function prototypes.
5898 Convert function declarations from K&R to ISO C. Cast pointers
5899 to "long" and "unsigned long" instead of "int" and "unsigned int".
5900 Convert tokens following #endif into comments.
5902 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5904 * invoke.texi: Remove mention of f77; Reformat table for
5905 inline parameter options correctly; mention that -malign-double
5906 is default on x86-64 targets.
5908 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5910 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5911 (convert_affine_scev, chrec_convert_aggressive): Use
5912 avoid_arithmetics_in_type_p. Do not check for the subtypes
5915 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5918 * optabs.c (expand_doubleword_shift): Wrap the call to
5919 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5921 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5924 * optabs.c (expand_binop): Pass next_methods rather than methods
5925 to expand_doubleword_shift.
5927 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5930 * tree.h (dump_addr): Declare.
5931 * print-tree.c (dump_addr): New function.
5932 (print_node_brief, print_node): Use it.
5933 * print-rtl.c (print_rtx): Likewise.
5934 * common.opt (-fdump-noaddr): New option.
5935 * doc/invoke.texi (-fdump-noaddr): Document.
5936 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5937 (ve_info_hash): Likewise.
5939 2006-07-13 Andrew Haley <aph@redhat.com>
5941 PR tree-optimization/19505
5942 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5943 edge leaving this block, make sure that the destination of this
5944 block has only one predecessor.
5946 2006-07-17 Richard Guenther <rguenther@suse.de>
5948 PR tree-optimization/28238
5949 * tree-inline.c (copy_bb): Check if we produced valid
5950 gimple copying and substituting a stmt. If not, gimplify
5953 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5955 * optabs.c (maybe_encapsulate_block): New function extracted from...
5956 (emit_libcall_block): ...here. Invoke it on the block of insns to
5957 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5958 (emit_no_conflict_block): Likewise.
5960 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5962 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5964 2006-07-15 Roger Sayle <roger@eyesopen.com>
5966 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5967 a new NOP_EXPR case of the switch statement.
5969 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5972 * stor-layout.c (place_field): Take the bit field with
5973 an excessive size into account in the ms-bitfiled case.
5976 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5977 the previous bit field.
5979 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5982 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5984 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5986 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5987 signal frames correctly even when the signal was installed with
5990 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5992 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5993 (dbxout_function_end): Use local label LFBB. Remove hook
5995 (dbxout_source_line): Use local label LFBB.
5996 (dbxout_block): Likewise.
5997 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5998 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5999 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6000 and DBX_OUTPUT_NFUN.
6002 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6004 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6006 2006-07-13 Jan Hubicka <jh@suse.cz>
6008 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6010 * output.h (align_variable): Declare.
6011 * varasm.c (align_variable): Export.
6012 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6013 when basic block changed.
6015 2006-07-13 Nick Clifton <nickc@redhat.com>
6017 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6018 walking the LOG_LINKS chain.
6020 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6022 * doc/invoke.texi (C++ Dialect Options): Explain difference
6023 between -fvisibility-inlines-hidden and setting hidden
6024 visibility explicitly.
6026 2006-07-12 Eric Christopher <echristo@apple.com>
6028 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6029 (stmp-lipo): Depend on libgcc.a.
6031 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6033 * tree.c: Fix a comment typo.
6035 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6037 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6039 (umulhisi3_r): Likewise.
6041 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6044 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6045 x < 19, vs wchar_t support.
6047 2006-07-12 Nick Clifton <nickc@redhat.com>
6049 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6050 instead of -isa=sh4.
6052 2006-07-12 Mike Stump <mrs@apple.com>
6054 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6056 2006-07-10 Eric Christopher <echristo@apple.com>
6058 * config/t-slibgcc-darwin: Rewrite.
6060 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6063 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6066 2006-07-08 Matthias Klose <doko@debian.org>
6068 * doc/sourcebuild.texi: Fix typo.
6070 2006-07-07 Mike Stump <mrs@apple.com>
6072 * toplev.c (process_options): Don't give -ffunction-sections may
6073 affect debugging warning for Mach-O.
6075 2006-07-07 James E Wilson <wilson@specifix.com>
6077 * config/mips/mips.md (cpu): Add sb1a.
6078 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6079 addition to sb1. Adjust comments to clarify SB-1A differences from
6081 (ir_sb1a_load): New. Modify bypasses to use it.
6082 (ir_sb1a_simple_alu): Likewise.
6083 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6084 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6085 (mips_issue_rate): Add PROCESSOR_SB1A.
6086 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6087 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6088 (TARGET_SB1): Add PROCESSOR_SB1A check.
6089 (TUNE_SB1): Likewise.
6091 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6092 * config/mips/mips.c (mips_store_data_bypass_p): New.
6093 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6094 store_data_bypass_p.
6096 2006-07-08 Paul Brook <paul@codesourcery.com>
6099 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6101 2006-07-07 Richard Guenther <rguenther@suse.de>
6104 * tree.h (build_one_cst): Declare.
6105 * tree.c (build_one_cst): New function.
6106 * tree-ssa-math-opts.c (get_constant_one): Remove.
6107 (insert_reciprocals): Use build_one_cst.
6108 * fold-const.c (fold_plusminus_mult): Likewise.
6110 2006-07-07 Roger Sayle <roger@eyesopen.com>
6112 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6113 * cfgloopanal.c (dump_graph): Likewise.
6114 * dojump.c (discard_pending_stack_adjust): Likewise.
6115 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6117 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6118 * function.c (finalize_block_changes): Likewise.
6119 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6120 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6121 * rtl.c (dump_rtx_statistics): Likewise.
6122 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6124 * varray.c (dump_varray_statistics): Likewise.
6125 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6126 decode_decimal64, encode_decimal128, decode_decimal128,
6127 decimal_real_to_decimal): Likewise.
6129 2006-07-07 Richard Guenther <rguenther@suse.de>
6131 PR tree-optimization/28187
6132 * tree-vrp.c (vrp_operand_equal_p): New function.
6133 (vrp_bitmap_equal_p): Likewise.
6134 (update_value_range): Use them to compare old and new
6137 2006-07-06 Roger Sayle <roger@eyesopen.com>
6139 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6140 a default case to switch statement to silence compiler warnings.
6142 2006-07-06 Roger Sayle <roger@eyesopen.com>
6145 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6146 the configured assembler supports the x87's ffreep mnemonic.
6147 * configure: Regenerate.
6148 * config.in: Regenerate.
6150 * config/i386/i386.c (output_387_ffreep): New function.
6151 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6152 (output_387_reg_move): Likewise.
6154 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6156 Port to hosts whose 'sort' and 'tail' implementations
6157 treat operands with leading '+' as file names, as POSIX
6158 has required since 2001. However, make sure the code still
6159 works on pre-POSIX hosts.
6160 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6161 which says you should use "tail -c +N" rather than "tail +Nc".
6162 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6164 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6166 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6169 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6172 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6173 PRE_{INC,DEC} of TFmode.
6175 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6176 Alan Modra <amodra@bigpond.net.au>
6179 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6182 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6185 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6186 Remove duplicate gtu.
6188 2006-07-05 Jason Merrill <jason@redhat.com>
6192 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6193 * c-common.c (handle_packed_attribute): So don't copy it here.
6194 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6196 2006-07-05 Mike Stump <mrs@apple.com>
6198 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6200 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6203 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6205 2006-07-05 Richard Guenther <rguenther@suse.de>
6208 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6209 TARGET_SSE2 targets if using SSE math.
6210 (*absdf2_1): Likewise.
6212 2006-07-05 Richard Guenther <rguenther@suse.de>
6214 PR tree-optimization/28162
6215 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6216 make sure to convert the operands to the correct type.
6218 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6220 PR tree-optimization/28218
6222 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6223 to calculate and free the dominator information.
6225 2006-07-04 Peter O'Gorman <peter@pogma.com>
6227 * mklibgcc.in: chmod 644 before ranlib during install.
6229 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6230 J"orn Rennecke <joern.rennecke@st.com>
6232 * configure.ac (.eh_frame data check): Use diff -b.
6234 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6237 * Makefile.in (BUILD_RTL): Add build/vec.o.
6238 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6239 (build/genextract): Delete.
6240 (build/genautomata): Likewise.
6242 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6245 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6246 128-bit IBM long doubles for ABI_V4.
6248 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6250 * tree.c (range_in_array_bounds_p): New predicate.
6251 * tree.h (range_in_array_bounds_p): Declare it.
6252 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6253 return a less conservative answer.
6254 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6255 and flag 'is_group'.
6256 (IS_ELEMENT_FOR_GROUP): New macro.
6257 (FOR_EACH_ACTUAL_CHILD): Likewise.
6258 (next_child_for_group): New helper function.
6259 (can_completely_scalarize_p): Take into account groups.
6260 (sra_hash_tree): Handle RANGE_EXPR.
6261 (sra_elt_eq): Likewise.
6262 (lookup_element): Be prepared for handling groups.
6263 (is_valid_const_index): Delete.
6264 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6265 instead of is_valid_const_index.
6266 <ARRAY_RANGE_REF>: New case.
6267 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6268 is_valid_const_index.
6269 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6270 (scan_dump): Dump info for groups too.
6271 (decide_instantiation_1): Likewise.
6272 (decide_block_copy): Assert that the element is not a group.
6273 Propagate decision to groups.
6274 (generate_one_element_ref): Handle RANGE_EXPR.
6275 (mark_no_warning): Iterate over actual childs.
6276 (generate_copy_inout): Likewise.
6277 (generate_element_copy): Likewise.
6278 (generate_element_zero): Likewise.
6279 (generate_element_init_1): Likewise.
6280 (dump_sra_elt_name): Handle RANGE_EXPR.
6282 2006-07-03 Roger Sayle <roger@eyesopen.com>
6284 PR tree-optimization/26251
6285 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6286 (thread_block): When optimizing for size refuse to thread jumps
6287 that would require duplication of blocks other than redirection
6290 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6292 * configure.ac: Fix thinko in previous check-in.
6293 * configure: Regenerate.
6295 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6298 * configure.ac (for lang...): Simplify nesting of conditionals.
6299 Test subdir_requires for non-enabled languages. Move processing
6300 of lang_opt_files and lang_tree_fiels below that test.
6301 * configure: Regenerate.
6302 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6304 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6306 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6308 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6310 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6313 2006-06-29 Jason Merrill <jason@redhat.com>
6320 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6321 * c-common.c (c_determine_visibility): Handle it here.
6322 * c-decl.c (finish_decl): Call c_determine_visibility for
6324 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6326 * varasm.c (default_assemble_visibility): Likewise.
6327 * c-common.c (handle_visibility_attribute): Complain about trying
6328 to give visibility to an already defined class, or trying to change
6329 declared visibility. Always attach the attribute.
6334 * attribs.c (decl_attributes): Ignore type-in-place attributes
6335 once the type has been defined.
6337 2006-06-29 Roger Sayle <roger@eyesopen.com>
6340 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6341 to indicate the cpplib has issued an error message for us.
6343 2006-06-29 Asher Langton <langton2@llnl.gov>
6346 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6347 insert a label at the end of an function under Mach-O.
6349 2006-06-29 Eric Christopher <echristo@apple.com>
6350 Evan Cheng <evan.cheng@apple.com>
6352 * predicates.md (vector_all_ones_operand): New.
6353 (nonimmediate_or_sse_const_operand): Ditto.
6354 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6355 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6356 (standard_sse_mode_p): Ditto.
6357 (standard_sse_constant_p): Add case for -1 vector.
6358 (ix86_expand_vector_move): Try to use.
6359 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6360 Call standard_sse_constant_opcode.
6361 (*movv4sf_internal): Ditto.
6362 (*movv2df_internal): Ditto.
6364 2006-06-29 Roger Sayle <roger@eyesopen.com>
6366 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6367 of XEXP to extract the operands of a MATCH_CODE rtx.
6369 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6371 * tree.c (tree_size): Do not waste tail padding in
6372 struct tree_string and make the size be the same as
6373 build_string will generate.
6375 2006-06-28 Jason Merrill <jason@redhat.com>
6378 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6379 may_aliases already in the tag's annotations to the bitmap.
6381 2006-06-28 Roger Sayle <roger@eyesopen.com>
6383 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6385 2006-06-28 Roger Sayle <roger@eyesopen.com>
6387 * genpreds.c (generate_switch_p): New function.
6388 (add_mode_tests): Push the new mode test down inside an AND expr
6389 if this allows the switch-suitable MATCH_CODE to be near the root.
6390 (write_match_code_switch): New function to write a MATCH_CODE as
6392 (write_predicate_stmts): New function to write a predicate RTX
6393 expression as a sequence of statements.
6394 (write_one_predicate_function): Use write_predicate_stmts.
6395 (write_tm_constrs_h): Likewise.
6397 2006-06-26 Fred Fish <fnf@specifix.com>
6399 * config/mips/t-sb1: New file.
6400 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6403 2006-06-26 DJ Delorie <dj@redhat.com>
6405 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6407 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6408 Jayant Sonar <jayants@kpitcummins.com>
6409 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6411 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6412 (subsi3, subsi3_1, subsi3_2): New.
6413 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6414 * config/m32c/mov.md (SI mov peephole): New.
6415 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6416 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6418 2006-06-26 Olivier Hainque <hainque@adacore.com>
6420 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6421 a CALL_EXPR target function declaration.
6423 2006-06-26 Richard Guenther <rguenther@suse.de>
6425 * tree.c (build_string): Do not waste tail padding in
6428 2006-06-26 Richard Guenther <rguenther@suse.de>
6430 * ggc-page.c (init_ggc): Add missing element to size_lookup
6434 2006-06-23 Richard Guenther <rguenther@suse.de>
6436 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6437 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6438 alignment requests instead. Add verification code.
6439 Add struct tree_function_decl and struct tree_binfo size to
6440 extra_order_size_table. Add missing element to size_lookup
6443 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6446 * fold-const.c (const_binop): Be prepared for self returning zero.
6447 Simplify code handling complex values.
6449 2006-06-24 Olivier Hainque <hainque@adacore.com>
6451 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6452 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6455 2006-06-24 Olivier Hainque <hainque@adacore.com>
6457 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6458 ARRAY_REF, so have the callback called for the low bound expression.
6460 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6462 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6463 * c-typeck.c (c_common_type): Disallow operations on decimal float
6464 types and other float types.
6465 * convert.c (convert_to_real): Don't ignore conversions involving
6466 decimal float types.
6468 2006-06-23 Olivier Hainque <hainque@adacore.com>
6470 * tree.c (max_int_size_in_bytes): New function, inspired from
6471 code in function.c:assign_temp.
6472 * tree.h (max_int_size_in_bytes): Declare.
6473 * function.c (assign_temp): Use it.
6474 * gimplify.c (create_tmp_var): Relax the assertions on the type
6475 properties, not mandating constant size any more.
6476 (force_constant_size): New static function.
6477 (gimple_add_tmp_var): Use it, forcing variable size to a
6478 constant upper bound if it is not constant on entry.
6480 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6483 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6484 for initialization and setting of one_only flag to ...
6485 (i386_pe_encode_section_info): ...here.
6486 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6487 Recheck that the symbol has not been defined.
6489 2006-06-23 Richard Guenther <rguenther@suse.de>
6491 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6492 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6493 alignment requests instead. Add verification code.
6494 Add struct tree_function_decl and struct tree_binfo size to
6495 extra_order_size_table. Add missing element to size_lookup
6498 2006-06-22 Roger Sayle <roger@eyesopen.com>
6499 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6502 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6503 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6505 2006-06-23 Ben Elliston <bje@au.ibm.com>
6507 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6508 negate dn -- manipulate it directly.
6510 2006-06-22 Roger Sayle <roger@eyesopen.com>
6511 Steven Bosscher <stevenb.gcc@gmail.com>
6514 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6515 generated by gen_move_insn to add REG_LABEL notes if necessary.
6517 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6519 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6520 (leaf_entry): Remove use of MIN_ESA.
6522 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6524 PR rtl-optimization/28121
6525 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6528 2006-06-21 DJ Delorie <dj@redhat.com>
6530 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6532 (mulhisi3_r): Likewise.
6534 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6537 * coverage.c (coverage_counter_alloc): Leave the index type
6539 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6542 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6544 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6545 section from the "Options for Code Generation Conventions".
6547 2006-06-21 Richard Henderson <rth@redhat.com>
6551 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6553 (global_symbolic_operand): Allow weak symbols, even if local_p.
6555 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6557 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6558 (find_interesting_uses_address): Punt if above function returns true.
6560 2006-06-21 Richard Guenther <rguenther@suse.de>
6562 * configure: Regenerated.
6564 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6566 * config/mips/mips.c (function_arg): Where one part of a
6567 complex argument is in registers and the other part in the stack,
6568 return a REG not a PARALLEL.
6570 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6572 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6573 when cross-compiling. Do not substitute libstdcxx_incdir.
6574 * configure: Regenerated.
6576 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6578 * varasm.c (mergeable_string_section): Check for embedded NULs and
6579 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6580 rather than TREE_STRING_LENGTH bytes.
6582 2006-06-21 Richard Guenther <rguenther@suse.de>
6584 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6585 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6588 2006-06-21 Richrad Guenther <rguenther@suse.de>
6590 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6591 Limit iteration over the dominators.
6593 2006-06-20 Roger Sayle <roger@eyesopen.com>
6595 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6596 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6598 2006-06-20 Richard Guenther <rguenther@suse.de>
6599 Michael Matz <matz@suse.de>
6601 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6603 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6604 * et-forest.h (et_free_pools): Prototype new function.
6605 * et-forest.c (et_free_tree_force): Free parent occurrence.
6606 (et_free_pools): New function.
6607 * dominance.c (free_dominance_info): Free et-forest alloc
6610 2006-06-20 Roger Sayle <roger@eyesopen.com>
6612 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6613 integer modes, attempt to directly construct an integer constant.
6615 * fold-const.c (native_encode_vector): Determine the size of each
6616 element from the vector type instead of the first vector element.
6618 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6619 if all of its elements/components are constant.
6620 (build_constructor_from_list): Likewise.
6622 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6624 PR tree-optimization/27331
6625 * tree-data-ref.c (free_data_ref): New function.
6626 (create_data_ref): Fail if the data reference has unknown access
6628 (free_data_refs): Use free_data_ref.
6630 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6633 * tree-inline.c (setup_one_parameter): Strip useless
6634 type conversion before adding it to the IR.
6635 (declare_return_variable): Likewise.
6637 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6640 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6642 2006-06-19 Mike Stump <mrs@apple.com>
6644 * tree.c (variably_modified_type_p): VM arguments don't make the
6647 2006-06-19 Richard Guenther <rguenther@suse.de>
6649 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6650 type conversions after folding.
6652 2006-06-19 Richard Guenther <rguenther@suse.de>
6654 * ggc-page.c (extra_order_size_tab): Add entries with
6655 size of struct function and basic_block.
6656 (size_lookup): Extend to cover sizes up to 511.
6657 (ggc_alloc_stat): Adjust user.
6658 (ggc_pch_count_object): Likewise.
6659 (ggc_pch_alloc_object): Likewise.
6660 (ggc_pch_write_object): Likewise.
6662 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6664 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6665 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6668 2006-06-19 Denis Chertykov <denisc@overta.ru>
6670 * config/avr/libgcc.S : Correct my wrong previous commit.
6672 2006-06-19 Roger Sayle <roger@eyesopen.com>
6675 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6676 have stripped a SUBREG from the shift count, so we may need to
6677 convert_to_mode back to the type's mode before calling make_tree.
6678 Use new_amount instead of amount to avoid expanding a tree twice.
6680 2006-06-19 Richard Guenther <rguenther@suse.de>
6683 * fold-const.c (operand_equal_p): Check if the argument types
6684 have the same precision before stripping NOPs.
6686 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6688 Fix PR tree-optimization/27341
6689 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6691 * tree-complex.c (pass_lower_complex): Update SMT usage.
6693 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6695 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6696 Add a new alternative to the constraint strings. Add move of
6697 operand 1 to 3 to the splitter definition.
6698 ("doloop_si_long"): Second contraint alternative removed.
6700 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6702 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6703 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6705 (AVR_HAVE_MOVW) Define.
6706 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6707 (ASM_SPEC): Add avr25.
6708 (LINK_SPEC): Add avr25.
6709 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6710 (base_arch_s): Add new member 'have_movw_lpmx'.
6711 (avr_arch_types): Init 'have_movw_lpmx'.
6712 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6713 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6714 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6715 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6716 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6718 (avr_file_start): Do not output '.arh' derective.
6719 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6720 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6721 * config/avr/avr.md (mcu_enhanced): Delete.
6722 (mcu_have_movw): Define.
6723 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6724 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6725 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6726 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6727 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6728 attiny861 and at86rf401 devices.
6730 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6732 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6735 2006-06-17 Karl Berry <karl@gnu.org>
6737 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6738 doc/gccint.texi, doc/install.texi (@dircategory): Use
6739 "Software development" instead of "Programming", following
6740 the Free Software Directory.
6742 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6744 * config/i386/i386.c (legitimate_tls_address)
6745 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6746 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6747 (*tls_dynamic_gnu2_combine_64): Likewise.
6749 2006-06-16 Richard Guenther <rguenther@suse.de>
6752 * fold-const.c (negate_expr_p): Do not introduce undefined
6753 overflow in negating INTEGER_CSTs.
6754 (fold_negate_expr): Rename from negate_expr. Revert last
6755 change for folding BIT_NOT_EXPR. Change semantics to
6756 return NULL_TREE for non-simplified negations. Do not
6757 strip type conversions and unify type handling.
6758 (negate_expr): New function, wrap around fold_negate_expr
6759 but ensure building a tree always. Strip type conversions
6760 here, fold to result type.
6761 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6763 2006-06-16 Roger Sayle <roger@eyesopen.com>
6766 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6767 that (would) return their results in stack registers.
6769 2006-06-16 Michael Matz <matz@suse.de>
6770 Richard Guenther <rguenther@suse.de>
6772 * fold-const.c (fold_truthop): Only return new tree node if
6773 we canonicalized something.
6775 2006-06-16 Richard Guenther <rguenther@suse.de>
6777 * function.h (enum function_frequency): Move declaration
6778 out of struct function.
6779 (struct function): Move bool fields and the enum to the bitfield
6780 section. Reorder elements to avoid padding. Remove unused
6781 fields left over from the RTL inliner removal.
6782 * function.c (free_after_compilation): Do not zero removed fields.
6783 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6784 (ipa-type-escape.o): Likewise.
6786 2006-06-16 Richard Guenther <rguenther@suse.de>
6788 * cgraph.h (struct cgraph_local_info): Turn bool elements
6790 (struct cgraph_node): Likewise.
6791 (struct cgraph_varpool_node): Likewise.
6793 2006-06-15 Richard Guenther <rguenther@suse.de>
6795 * fold-const.c (fold_truth_not_expr): Rename from
6796 invert_truthvalue. Give it fold_* semantics to avoid
6798 (invert_truthvalue): New function. Wrapper around
6799 fold_truth_not_expr.
6800 (optimize_minmax_comparison): Avoid creating garbage.
6801 (fold_unary): Use fold_truth_not_expr for folding
6803 (fold_ternary): Replace uses of invert_truthvalue with
6804 fold_truth_not_expr where applicable.
6805 * tree.h (fold_truth_not_expr): Prototype.
6807 2006-06-16 Richard Guenther <rguenther@suse.de>
6809 PR tree-optimization/27781
6810 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6811 * ipa-pure-const.c (target.h): Include.
6812 (analyze_function): Do not analyze functions that do not
6815 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6818 * tree-dfa.c (referenced_vars_dup_list): Remove.
6819 (find_referenced_vars): Remove assert.
6820 (referenced_var_check_and_insert): Replace dup list with assert.
6821 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6822 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6824 2006-06-15 Richard Guenther <rguenther@suse.de>
6826 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6827 extra unused identifiers if not dumping.
6828 (create_variable_info_for): Likewise.
6830 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6832 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6833 (derive_constant_upper_bound): Derive more precise upper bound in
6834 common cases. Return type changed to double_int.
6835 (record_estimate): Reflect the changed return type of
6836 derive_constant_upper_bound.
6837 * double-int.c (double_int_zext, double_int_sext): Fix.
6839 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6841 * configure.ac (CFLAGS): Get them from the toplevel or from the
6842 configure invocation.
6843 * configure: Regenerate.
6844 * Makefile.in (CFLAGS): Substitute value provided by configure.
6846 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6849 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6850 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6851 rather than calling add_stmt on it.
6852 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6854 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6857 * reload1.c (reload): Remove registers returned by update_eliminables
6858 from used_spill_regs.
6860 2006-06-13 DJ Delorie <dj@redhat.com>
6862 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6864 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6866 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6867 html__strip_dir, html__mkdir_p. Enhance install-html target.
6868 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6869 * configure: Regenerate.
6871 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6873 * fold-const.c (fold_cond_expr_with_comparison): Check for
6874 Objective-C++ as language in deciding COND_EXPR transformation.
6876 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6879 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6880 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6881 * config/sh/lib1funcs.h (SL, SL1): Define.
6882 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6883 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6884 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6885 (OBJS_Os_4_200): New variable.
6886 ($(T)libgcc-Os-4-200.a): Use it.
6887 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6888 when dividing 1 and/or by 0.
6890 2006-06-13 Roger Sayle <roger@eyesopen.com>
6892 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6893 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6894 * configure: Regenerate.
6896 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6898 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6899 for real instruction.
6901 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6904 * haifa-sched.c (check_cfg): Handle special case.
6906 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6909 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6910 Add debug_info parameter. Chain the vars to the BLOCK instead
6911 of the BIND_EXPR if debug info are requested for them.
6912 (pop_gimplify_context): Adjust for above change.
6913 (gimple_add_tmp_var): Likewise.
6914 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6916 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6917 (convert_local_reference): Likewise.
6918 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6919 (finalize_nesting_tree_1): Request that debug info be emitted
6920 for debug_var_chain.
6922 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6924 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6925 for PR target/27863.
6927 2006-06-13 Richard Guenther <rguenther@suse.de>
6930 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6932 2006-06-13 Richard Guenther <rguenther@suse.de>
6934 PR tree-optimization/27830
6935 * tree-inline.c (copy_body_r): For copying the operand
6936 of an ADDR_EXPR make sure to fold &* afterwards.
6938 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6940 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6941 lvalues in the fb_none case with side-effects.
6943 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6945 * tree-flow.h: Remove the prototype for
6946 compute_phi_arg_on_exit.
6947 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6948 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6951 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6953 * builtins.c (expand_builtin_return_addr): Only use
6954 frame_pointer_rtx when count == 0 and we are expanding
6955 __builtin_return_address.
6957 2006-06-12 Fred Fish <fnf@specifix.com>
6959 * config/mips/mips.c (mips_file_start): Create special section
6960 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6962 2006-06-11 Eric Christopher <echristo@apple.com>
6965 * stor-layout.c (place_field): Remove check for
6966 remaining_in_alignment when aligning at the end of a run.
6968 2006-06-11 Eric Christopher <echristo@apple.com>
6971 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6974 2006-06-11 Roger Sayle <roger@eyesopen.com>
6977 Revert incorrect fix for PR target/27158
6978 2006-05-08 Roger Sayle <roger@eyesopen.com>
6979 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6980 of a reg_equiv_constant if the result is a legitimate constant.
6982 2006-06-11 Roger Sayle <roger@eyesopen.com>
6985 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6986 extract a CONST_VECTOR element and interpret it as an integer.
6987 (vspltis_constant): Use const_vector_elt_as_int instead of the
6988 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6989 * config/rs6000/predicates.md (easy_vector_const): Consider
6990 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6992 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6995 * stor-layout.c (update_alignment_for_field): Don't add extra
6996 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6999 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7001 * config/mips/t-rtems: Add EL/EB multilib variants.
7003 2006-06-09 Mike Stump <mrs@apple.com>
7005 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7007 2006-06-09 David Daney <ddaney@avtrex.com>
7009 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7011 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7013 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7015 2006-06-09 Richard Guenther <rguenther@suse.de>
7017 PR tree-optimization/26998
7018 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7019 of signed types, only TYPE_MIN_VALUE is special, but for both,
7020 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7021 in this case, as is -fwrapv.
7023 2006-06-08 Mike Stump <mrs@apple.com>
7026 * config/darwin.c (darwin_asm_output_anchor): Disable
7027 -fsection-anchors on darwin for now.
7028 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7029 * rs6000/rs6000.c (optimization_options): Likewise.
7031 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7034 * config/i386/i386.c (classify_argument): Skip fields with invalid
7037 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7039 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7040 (cse_insn): Likewise for the stack_pointer_rtx.
7042 2006-06-08 Roger Sayle <roger@eyesopen.com>
7044 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7045 conditions from floating point comparisons.
7047 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7050 * expmed.c (struct alg_hash_entry): Fix type of field T
7051 to match synth_mult argument.
7052 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7054 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7057 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7060 2006-06-08 Richard Guenther <rguenther@suse.de>
7063 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7064 only, if overflow is defined and not trapping.
7065 (negate_expr): Likewise.
7067 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7069 PR tree-optimization/27872
7070 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7071 flag on the new exit edge of the unrolled loop.
7073 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7075 PR rtl-optimization/26449
7076 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7078 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7081 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7082 referenced_variables with matching DECL_UID's.
7083 (find_referenced_vars): Make sure duplicate list is empty to start.
7084 (referenced_var_p): Remove.
7085 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7086 Check if var is in the list, and add if needed. Update the duplicate
7087 list if a different var is in the list with the same DECL_UID.
7088 (add_referenced_var): Call routine to check and insert.
7089 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7090 * tree-flow.h (referenced_vars_dup_list): External declaration.
7092 2006-06-07 Fred Fish <fnf@specifix.com>
7094 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7097 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7100 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7101 the imaginary and real parts of a clobbered register.
7102 Emit insn to set the imaginary part.
7104 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7106 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7107 in lieu of unwind-dw2-fde.c.
7109 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7111 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7113 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7116 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7117 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7118 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7119 V4SImode temporaries and operations instead.
7121 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7123 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7126 2006-06-06 Mike Stump <mrs@apple.com>
7128 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7129 installing during build.
7131 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7133 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7135 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7136 * config/ia64/ia64.c (params.h): New header.
7137 (ia64_optimization_options): New function to adjust parameters.
7138 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7139 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7140 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7142 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7144 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7146 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7149 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7151 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7152 Victor Kaplansky <victork@il.ibm.com>
7154 PR tree-optimization/26360
7155 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7158 2006-06-04 Roger Sayle <roger@eyesopen.com>
7159 Andrew Pinski <pinskia@physics.uc.edu>
7162 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7163 for LABEL_DECL before calling DECL_WEAK.
7166 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7167 LABEL_DECL and PARM_DECL.
7169 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7173 * c-decl.c (grokdeclarator): Disallow variably modified types at
7174 file scope. Avoid marking shared array type of constant size as
7177 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7180 * c-common.c (fold_offsetof_1): Handle static members.
7182 2006-06-04 Eric Christopher <echristo@apple.com>
7184 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7185 (debug_rli): Output value for remaining_in_alignment.
7186 (update_alignment_for_field): Unconditionalize
7187 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7188 extra alignment code.
7189 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7190 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7191 * tree.h (record_layout_info_s): Remove prev_packed.
7192 * doc/extend.texi (ms_struct): Add documentation of format.
7194 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7196 * tree.h: Declare folding_initializer.
7197 * builtins.c (fold_builtin_constant_p): Give definite answer
7198 if folding inside an initializer.
7199 * fold-const.c: Define folding_initializer.
7200 (START_FOLD_INIT): Save and then set folding_initializer.
7201 (END_FOLD_INIT): Restore folding_initializer.
7203 2006-06-04 Richard Guenther <rguenther@suse.de>
7205 PR tree-optimization/27039
7206 * fold-const.c (fold_comparison): Handle pointer comparison
7207 again for all comparison codes. Compare offsets in signed
7209 (fold_binary): Move code from here.
7211 2006-06-03 Roger Sayle <roger@eyesopen.com>
7214 * config/i386/i386.c (construct_container): Split static issued_error
7215 flag into issued_sse_arg_error, issued_sse_ret_error and
7216 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7217 requires the use of x87 registers and the user explicitly
7218 specified the -mno-80387 command line option.
7220 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7222 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7223 HAVE_DECL_SIGALTSTACK.
7225 (segv_handler): Use MC_FLD.
7226 * configure.ac: Check for a sigaltstack declaration.
7227 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7228 * configure: Regenerate.
7229 * config.in: Regenerate.
7231 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7234 * Makefile.in (stmp-fixinc): Fix typo.
7236 2006-06-02 Roger Sayle <roger@eyesopen.com>
7238 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7239 are type correct. Clean-up.
7240 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7241 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7243 2006-06-01 DJ Delorie <dj@redhat.com>
7245 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7246 shift, as we've disabled the "switch" insn that needs it.
7248 2006-06-01 Per Bothner <bothner@bothner.com>
7250 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7251 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7252 * c-ppoutput.c (cb_define): Don't increment line 0.
7254 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7256 * doc/invoke.texi: Add cpu_type power6.
7257 * config.gcc: Add cpu_type power6.
7258 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7259 to power5+ with Altivec.
7260 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7261 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7263 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7265 * config/avr/avr.h (SET_ASM_OP): Define.
7267 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7269 * config/bfin/bfin.c: Fix comment typos.
7271 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7274 * doc/install.texi: Document --enable-bootstrap and
7275 --disable-bootstrap.
7277 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7279 * doc/install.texi: Document that InfoZIP can replace jar.
7281 2006-05-31 Roger Sayle <roger@eyesopen.com>
7283 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7284 isn't available, directly generate the simpler x87 patterns without
7285 the (use (const_int 0)).
7286 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7287 implementation isn't available.
7288 (*negdf2_1): Likewise.
7289 (*negxf2_1): XF mode negation is always done using the x87.
7290 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7292 2006-05-31 Roger Sayle <roger@eyesopen.com>
7294 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7295 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7297 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7299 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7301 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7302 * config/bfin/bfin.c (basic-block.h): Include.
7303 (struct machine_function): New.
7304 (bfin_init_machine_status): New.
7305 (override_options): Initialize init_machine_status.
7306 (bfin_hardware_loop): New.
7307 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7308 (DEF_VEC_P (loop_info)): New.
7309 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7310 (struct loop_info): New.
7311 (loop_info): New typedef.
7312 (struct loop_work): New.
7313 (loop_work): New typedef.
7314 (DEF_VEC_O (loop_work)): New.
7315 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7316 (bfin_dump_loops): New.
7317 (bfin_bb_in_loop): New.
7318 (bfin_scan_loop): New.
7319 (bfin_optimize_loop): New.
7320 (bfin_reorg_loops): New.
7321 (bfin_reorg): Use bfin_reorg_loops.
7322 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7324 (I_REGNO_P): Simplify.
7325 (DP_REGNO_P, DPREG_P): New macros.
7326 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7327 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7328 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7329 Add LT_REGS, LC_REGS, LB_REGS.
7330 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7332 (REGNO_REG_CLASS): Deal with loop registers.
7333 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7335 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7336 New constants for loop registers.
7337 (UNSPEC_LSETUP_END): New.
7338 (seq_insns): New define_attr. Set it for appropriate insns.
7339 (movsi_insn): Add alternatives for move from/to
7340 loop count registers.
7341 (doloop_end): New define_expand.
7342 (loop_end): New define_insn.
7343 (define_split for bad doloop_end): New.
7344 (lsetup_with_autoinit): New define_insn.
7345 (lsetup_without_autoinit): New define_insn.
7346 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7347 * config/bfin/predicates.md (lc_register_operand): New.
7348 (lt_register_operand): New.
7349 (lb_register_operand): New.
7350 (nondp_register_operand): New.
7351 (nondp_reg_or_memory_operand): New.
7352 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7354 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7356 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7357 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7359 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7361 * Makefile.in (CATALOGS): Add po/ prefix.
7362 * configure: Regenerated.
7364 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7367 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7368 a shift operand before calling shift_op. Avoid redundant call of
7371 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7372 DJ Delorie <dj@redhat.com>
7374 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7375 we're inserting is a singlt-bit constant.
7377 2006-05-30 Roger Sayle <roger@eyesopen.com>
7379 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7380 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7382 2006-05-30 Roger Sayle <roger@eyesopen.com>
7384 PR tree-optimization/23452
7385 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7386 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7387 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7388 complex values and with -ffast-math for FP complex values.
7390 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7392 * c-common.h: Remove the prototype for yyparse.
7393 * rtl.h: Remove the prototype for init_loop.
7395 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7397 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7400 2006-05-30 Roger Sayle <roger@eyesopen.com>
7402 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7404 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7405 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7407 2006-05-30 Dirk Mueller <dmueller@suse.de>
7410 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7411 for CONSTANT_CLASS_P expresisons.
7413 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7416 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7418 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7420 PR tree-optimization/27779
7421 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7422 initial_condition instead of CHREC_LEFT.
7424 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7426 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7427 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7428 Make prototypes ISO C90.
7430 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7431 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7433 * see.c (see_analyze_one_def): Correct check.
7434 (see_get_extension_data): Check if extension is parallel.
7435 (see_get_extension_reg): Likewise.
7437 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7440 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7441 into register for (code == GTU).
7443 2006-05-29 Roger Sayle <roger@eyesopen.com>
7445 PR tree-optimization/24964
7446 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7447 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7448 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7449 abs(x)*abs(x) as x*x for scalar floating point modes.
7451 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7454 * lambda-code.c (perfect_nestify): Don't copy statements
7455 in the inner loop: move them to the inner loop header.
7457 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7460 * c-tree.texi: Document OpenMP directives and clauses.
7462 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7464 * varasm.c (globalize_decl): Fix indentation.
7466 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7469 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7470 pass_fre, pass_store_ccp, pass_copy_prop,
7471 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7472 pass_return_slot, pass_object_size, pass_lim,
7473 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7474 pass_loop_prefetch and pass_stdarg.
7476 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7478 * config/bfin/bfin.opt (mfdpic): New option.
7479 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7480 (EXTRA_MULTILIB_PARTS): Likewise.
7481 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7482 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7484 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7485 (CRT_CALL_STATIC_FUNCTION): New.
7486 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7488 (CRT_CALL_STATIC_FUNCTION): New.
7489 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7491 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7492 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7493 (initialize_trampoline): Changed to handle FD-PIC code generation.
7494 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7495 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7496 (override_options): Disallow -mid-shared-library -mfdpic combination.
7497 Can't do unaligned ops if FD-PIC.
7498 Turn off flag_pic if trying to generate non-id-shared-library
7499 non-fdpic code, since it's not supported.
7500 (bfin_assemble_integer): New function.
7501 (TARGET_ASM_INTEGER): Define.
7502 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7504 * config/bfin/crtn.s: Restore them.
7505 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7507 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7508 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7509 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7510 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7511 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7513 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7514 FDPIC_REGS and FDPIC_FPTR_REGS.
7515 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7516 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7517 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7518 (load_funcdescsi): New pattern.
7519 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7520 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7521 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7523 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7525 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7528 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7530 * tree-flow.h: Remove the prototype for add_type_alias.
7531 * tree-ssa-alias.c (add_type_alias): Remove.
7533 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7535 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7536 config/fr30/fr30.md, config/i386/i386-interix.h,
7537 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7538 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7539 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7540 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7541 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7542 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7543 Follow spelling conventions.
7544 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7545 Follow spelling conventions.
7547 2006-05-27 Richard Guenther <rguenther@suse.de>
7550 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7551 to produce a constant of value 1 of generic type.
7553 2006-05-27 Dirk Mueller <dmueller@suse.de>
7555 * cgraphunit.c (decide_is_function_needed): Fix wrong
7558 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7560 PR rtl-optimization/27661
7561 * reload.c (find_reloads): When reloading a VOIDmode constant
7562 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7563 use Pmode as mode of the reload register.
7565 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7567 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7568 is enabled at -O and above.
7570 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7573 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7576 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7579 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7580 for anonymous variables explicitly declared by front ends.
7582 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7584 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7585 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7586 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7587 ref-all pointers, run a finalization pass for them.
7588 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7589 (finalize_ref_all_pointers): New function.
7590 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7591 regular pointer type to a ref-all pointer type.
7592 (get_tmt_for): Return the special memory tag for ref-all pointers.
7594 2006-05-25 Richard Guenther <rguenther@suse.de>
7597 * fold-const.c (fold_binary): Do not look at the stripped
7598 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7600 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7602 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7603 for LT and GT if the computed range is effectively empty.
7605 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7608 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7609 mips_quad_format formats instead of ieee_single_format,
7610 ieee_double_format and ieee_quad_format formats, respectively.
7612 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7614 PR tree-optimization/27639
7615 PR tree-optimization/26719
7616 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7617 call to scev_probably_wraps_p.
7618 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7619 used_in_pointer_arithmetic_p, convert_step): Removed.
7620 (nowrap_type_p): New function.
7621 (scev_probably_wraps_p): Rewritten.
7622 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7623 chrec_convert if chrec_convert_aggressive might have been used.
7624 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7625 scev_direction): New functions.
7626 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7627 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7628 instead of convert_step.
7629 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7630 (convert_step): Declaration removed.
7631 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7633 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7635 * df-core.c: Added to header comments.
7636 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7637 df_ur_bb_info, df_urec_bb_info): Added comments.
7638 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7639 urec, ri problems): Fixed header comments.
7640 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7641 code from df_rd_transfer_function.
7643 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7645 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7646 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7647 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7649 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7651 * expr.c (undefined_operand_subword_p): New.
7652 (emit_move_multi_word): Do not generate move from undefined bits
7653 of a paradoxical subreg.
7655 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7657 PR rtl-optimization/27736
7658 * combine.c (replaced_rhs_value): New variable.
7659 (combine_instructions): Set it.
7660 (distribute_notes): When distributing a note in replaced_rhs_insn,
7661 check whether the value was used in replaced_rhs_value.
7663 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7666 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7667 add_referenced_var instead of add_referenced_tmp_var.
7668 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7669 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7671 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7672 tree_optimize_tail_calls_1): Use add_referenced_var.
7673 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7674 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7675 Use add_referenced_var.
7676 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7677 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7678 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7679 Use add_referenced_var.
7680 * tree-dfa.c (struct walk_state): Remove.
7681 (find_referenced_vars): Remove walk state and vars_found hash table.
7682 (make_rename_temp): Use add_referenced_var.
7683 (find_vars_r): Pass less parameters to add_referenced_var.
7684 (referenced_var_p): New. Is var in referenced_var hash table.
7685 (referenced_var_insert): Assert var isn't already in hash table.
7686 (add_referenced_var): Don't need walk_state parameter. Add var if it
7687 isn't already in the hash table.
7688 (add_referenced_tmp_var): Remove.
7689 (find_new_referenced_vars_1): Use add_referenced_var.
7690 * tree-ssa-pre.c (create_expression_by_pieces,
7691 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7692 Use add_referenced_var.
7693 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7694 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7695 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7697 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7698 vect_create_data_ref_ptr, vect_create_destination_var,
7699 vect_init_vector, vect_build_loop_niters,
7700 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7701 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7702 Use add_referenced_var.
7703 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7704 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7705 (add_referenced_var): Add prototype.
7706 * tree-ssa-structalias.c (get_constraint_for,
7707 intra_create_variable_infos): Use add_referenced_var.
7709 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7711 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7712 big-endian paradoxical subregs.
7713 * var-tracking.c (struct micro_operation_def): Document that,
7714 for modify micro operations, insn is the subsequent instruction.
7715 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7716 (var_reg_set, var_mem_set): ... new functions.
7717 (add_stores): Record subsequent insn.
7718 (compute_bb_dataflow): Use new functions for MO_USE.
7719 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7720 notes after the insn, and modify notes before the insn known
7721 to be the subsequent one.
7722 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7724 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7727 * config/i386/i386.c (ix86_expand_builtin): Use
7728 gen_sse3_monitor64 for TARGET_64BIT.
7730 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7732 PR rtl-optimization/26375
7733 PR rtl-optimization/26855
7734 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7736 (df_ru_bb_local_compute): Reversed statements and removed bogus
7737 comment explaining why they should be in wrong order.
7738 (df_ru_dump, df_rd_dump): Enhanced debug info.
7739 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7741 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7742 reaching uses and fixed space problem.
7744 2006-05-23 Jan Hubicka <jh@suse.cz>
7746 * cgraphunit.c (decide_is_function_needed): Also nested functions
7747 and functions declared inline can be optimized out at -O0.
7749 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7751 * doc/install.texi (Configuration): Remove reference to CrossGCC
7755 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7758 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7759 ix86_compare_emitted is non-NULL.
7761 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7764 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7767 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7769 PR rtl-optimization/25514
7770 * combine.c (replaced_rhs_insn): New variable.
7771 (combine_instructions): Set replaced_rhs_insn when trying to replace
7772 a SET_SRC with a REG_EQUAL note.
7773 (distribute_notes): Use replaced_rhs_insn when determining the live
7774 range of a REG_DEAD register.
7776 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7777 Anatoly Sokolov <aesok@post.ru>
7779 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7780 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7781 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7782 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7783 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7784 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7785 at90usb647, at90usb1286 and at90usb1287 devices.
7786 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7787 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7789 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7791 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7793 2006-05-22 Richard Guenther <rguenther@suse.de>
7796 2006-01-31 Richard Guenther <rguenther@suse.de>
7797 Paolo Bonzini <bonzini@gnu.org>
7799 * doc/install.texi (--disable-libgcc-math): Document.
7801 2006-05-22 Richard Guenther <rguenther@suse.de>
7804 2006-01-31 Richard Guenther <rguenther@suse.de>
7806 * doc/invoke.texi (-msselibm): Document.
7807 * target.h (expand_library_builtin): New target hook.
7808 * builtins.c (expand_builtin): Use expand_library_builtin.
7809 (default_expand_library_builtin): New function.
7810 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7811 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7812 (link_gcc_math_spec): Declare.
7813 (static_specs): Add link_gcc_math_spec.
7814 * expr.h (default_expand_library_builtin): Declare.
7815 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7816 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7817 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7818 * config/i386/i386.opt (msselibm): New target option.
7819 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7820 (ix86_init_sse_abi_builtins): New function.
7821 (ix86_expand_library_builtin): Likewise.
7822 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7823 (override_options): Handle error conditions wrt -msselibm.
7824 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7825 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7826 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7829 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7832 * c-common.c (self_promoting_args_p): Skip erroneous args.
7835 * c-decl.c (finish_struct): Skip erroneous fields.
7837 2006-05-22 Nick Clifton <nickc@redhat.com>
7839 * config/cris/cris.opt (march): Remove VarExists attribute.
7840 (max-stackframe=): Likewise.
7842 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7844 * doc/rtl.texi: Fix a typo.
7845 * see.c: Fix comment typos.
7847 * tree-ssa-structalias.h (alias_info): Remove num_references.
7849 2006-05-21 Mike Stump <mrs@apple.com>
7851 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7853 (darwin_pragma_options): Use BAD instead.
7854 (darwin_pragma_unused): Likewise.
7855 (darwin_pragma_ms_struct): Likewise.
7857 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7859 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7861 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7863 PR rtl-optimization/27671
7864 * simplify-rtx.c (simplify_relational_operation_1): Fix
7865 simplifications of (eq/ne (xor x y) y) and
7866 (eq/ne (xor x y) x).
7868 PR tree-optimization/26622.
7869 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7872 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7874 * tree-cfg.c: Prune whitespace.
7875 (debug_tree_cfg): Point to correct header containing the
7878 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7881 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7883 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7886 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7887 or sorry count is non zero.
7889 2006-05-20 Andreas Schwab <schwab@suse.de>
7891 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7893 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7894 Kenneth Zadeck <zadeck@naturalbridge.com>
7896 PR rtl-optimization/26855
7898 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7900 (df_scan_alloc): Added code to properly handle multiword hard
7901 registers and add all_blocks parameter.
7902 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7903 code to properly handle multiword hard registers.
7904 (df_rescan_blocks): Added code to remove deleted blocks from
7906 (df_ref_create_structure, df_ref_record): Added code to properly
7908 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7909 and set DF_REF_PARTIAL.
7910 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7911 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7912 (df_scan_add_problem): Added flags parameter.
7913 (df_ref_create_structure): Changed switching structure.
7914 (df_bb_refs_record): Fixed case where duplicate artificial refs
7915 were created. Changed location of flags.
7916 (df_record_entry_block_defs): Added code to make stack pointer
7917 live in entry block. Refined cases where frame pointer is needed.
7918 Changed location of flags.
7919 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7920 (df_set_state): Removed function.
7921 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7922 df_insn_create_insn_record, df_insn_refs_delete,
7923 df_ref_create_structure): Formatting changes.
7924 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7925 df_delete_basic_block): New function.
7926 (df_init): Changed location of flags.
7927 (df_add_problem): Added flags parameter and the way flags are
7929 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7930 debug_df_chain): Improved debugging output.
7931 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7932 (df_refs_chain_dump): Removed df parameter.
7933 (df_iterative_dataflow): Added consistency check.
7934 (df_prune_to_subcfg): Made public.
7935 (df_analyze_problem): Added blocks_to_init parameter and made
7937 (df_ref_record, df_bb_refs_record, df_mark_reg,
7938 df_record_exit_block_uses): Whitespace changes.
7939 (df_dump): Whitespace changes.
7940 * df.h: Some reordering to remove forward references.
7941 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7942 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7943 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7944 (dataflow.flags): New field.
7945 (df.flag): Deleted field.
7946 (df_alloc_function): Added additional bitmap parameter.
7947 (df_dependent_problem_function): New type.
7948 (df_problem.changeable_flags): New field.
7949 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7950 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7951 (df_mw_hardreg): New struct.
7952 (DF_INSN_UID_MWS): New macro.
7953 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7955 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7956 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7957 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7958 (df_set_state): Removed function.
7959 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7960 * df-problems.c (df_chain_dump): Removed df parameter.
7961 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7962 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7964 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7965 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7966 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7967 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7968 DF_REF_MUST_CLOBBER cases.
7969 (df_ru_bb_local_compute_process_def,
7970 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7971 df_lr_bb_local_compute, df_ur_bb_local_compute,
7972 df_chain_create_bb): Made subreg aware.
7973 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7974 df_lr_bb_local_compute, df_lr_bb_local_compute,
7975 df_chain_create_bb): Cleanup to use proper macros.
7976 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7977 code to fixup bitvectors.
7978 (df_ri_alloc): Cleared lifetime.
7979 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7980 df_create_unused_note): New function.
7981 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7982 REG_DEAD and REG_UNUSED notes as well as register information.
7983 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7984 df_chains_dump): Fixed crash if problem was never run.
7985 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7986 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7987 df_ri_add_problem): Processes flags in uniform manner.
7988 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7989 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7990 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7991 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7992 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7993 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7994 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7995 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7996 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7997 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7998 * see.c (see_initialize_data): Ditto.
7999 * final.c (rest_of_clean_state) Added regstack_completed.
8000 * rtl.h (regstack_completed): Ditto.
8001 * reg-stack.c (regstack_completed): Ditto.
8003 2006-05-19 Mike Stump <mrs@apple.com>
8005 * c-tree.h (default_conversion): Remove.
8006 * c-common.h (default_conversion): Add.
8008 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8010 * tree-vrp.c (valid_value_p): New function.
8011 (adjust_range_with_scev): Fail if the value of bound is not
8014 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8016 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8017 (mips_fallback_frame_state): Use syscall numbers to determine
8018 the appropriate li instruction for the current ABI. Only use
8019 __NR_sigreturn for o32.
8021 2006-05-19 Nicolas Setton <setton@adacore.com>
8023 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8024 * langhooks.c (lhd_dwarf_name): New function.
8025 * langhooks-def.h (lhd_dwarf_name): Declare.
8026 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8027 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8028 * ada/misc.c (gnat_dwarf_name): New function.
8029 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
8031 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8033 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8035 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8036 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8037 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8038 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8039 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8040 determine the size of Wtype, etc.
8041 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8042 (swfloatfuncs): New variable.
8043 (dwfloatfuncs): Likewise.
8044 (lib2funcs): Remove floating-point conversion functions from
8045 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8046 the set of conversion routines needed. Allow entries to specify
8047 an object name, filename and word size. Update users accordingly.
8048 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8049 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8053 2006-02-08 Roger Sayle <roger@eyesopen.com>
8056 * config/fixtfdi.c: New libgcc source file.
8057 * config/fixunstfdi.c: New source file.
8058 * config/floatditf.c: New source file.
8059 * config/floatunditf.c: New souce file.
8060 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8061 files above instead of config/mips/_tilib.c.
8062 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8064 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8066 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8067 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8069 2006-05-18 Mike Stump <mrs@apple.com>
8071 Fix up vla, vm and [*] sematics.
8077 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8078 (c_vla_unspec_p): Add.
8079 (c_vla_type_p): Add.
8080 * c-decl.c (struct c_scope): Add had_vla_unspec.
8081 (build_array_declarator): Add support for [*].
8082 (grokdeclarator): Likewise.
8083 (grokparms): Likewise.
8084 (get_parm_info): Likewise.
8085 * c-objc-common.c (c_vla_unspec_p): Likewise.
8086 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8087 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8088 typeof when argument is a variably modified type not inside sizeof or alignof.
8089 (c_parser_direct_declarator_inner): Propagate errors.
8090 (c_parser_sizeof_expression): Add support for [*].
8091 (c_parser_parms_declarator): Initialize had_vla_unspec.
8092 (c_parser_parms_list_declarator): Likewise.
8093 * c-typeck.c (c_vla_type_p): Add.
8094 (composite_type): Add support for vla compositing.
8095 (comptypes_internal): Add support for vla compatibility.
8096 (c_expr_sizeof_expr): Evaluate vla arguments.
8097 * tree.c (variably_modified_type_p): Update comment for [*].
8099 2006-05-18 Michael Matz <matz@suse.de>
8102 * config.host: Make assignments to host_xmake_file cumulative.
8103 * config.host (*-darwin*): Test $host, not $target.
8105 2006-05-12 Stuart Hastings <stuart@apple.com>
8107 * config/i386/i386.opt (-mstackrealign): New flag.
8108 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8109 (ix86_handle_cconv_attribute): Emit error when
8110 force_align_arg_pointer attribute collides with too many regparms.
8111 (ix86_function_regparm): Limit regparms when used with
8112 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8113 Support stack-realigning prologue in non-main functions. Emit
8114 warning for nested functions under -mstackrealign, emit error for
8115 nested functions with force_align_arg_pointer attribute.
8116 * doc/extend.texi (force_align_arg_pointer): Document it.
8117 * doc/invoke.texi (-mstackrealign): Document it.
8119 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8121 PR rtl-optimization/27477
8122 * combine.c (try_combine): Don't split a parallel consisting
8123 of two sets into two individual sets if both sets reference
8126 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8128 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8129 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8131 * doc/options.texi (VarExists): Updated.
8133 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8135 * unwind-dw2.c: Add declarations for uw_update_context and
8137 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8138 detected, advance frame state and context once to skip over stub.
8140 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8144 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8145 Call rewrite_into_loop_closed_ssa only when something changed.
8146 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8147 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8148 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8149 Test for perfect_nest_p here. Fix formating.
8150 (replace_uses_equiv_to_x_with_y): Fix formating.
8151 (stmt_uses_op): Removed.
8152 (can_convert_to_perfect_nest): Removed loopivs parameter.
8153 Complete the test by checking the scalar dependences.
8154 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8157 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8160 From Dan Kegel <dank@kegel.com>:
8161 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8163 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8165 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8166 if the element type is variably modified without recursing.
8168 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8171 * tree-loop-linear.c (try_interchange_loops): Test for
8172 no data dependences.
8174 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8176 PR tree-optimization/27548
8177 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8178 range of ssa names that appear on abnormal edges.
8179 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8180 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8182 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8185 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8187 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8190 * tree.h (OMP_PARALLEL_COMBINED): Define.
8191 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8192 (new_omp_context): Add is_combined_parallel argument.
8193 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8194 new_omp_context caller.
8195 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8196 Adjust gimplify_scan_omp_clauses callers.
8197 (omp_is_private): Issue errors if iteration variable is firstprivate
8198 or reduction in the current context.
8199 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8200 on combined parallel workshare constructs.
8202 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8204 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8205 (gcc-options.o): New rule.
8207 * optc-gen.awk: Protect variables for gcc-options.o with
8208 #ifdef GCC_DRIVER/#endif.
8210 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8212 Fix PR tree-optimization/27373
8213 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8214 (forward_propagate_addr_expr): Update call.
8216 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8218 * doc/options.texi: Move the Negative option.
8220 2006-05-16 Richard Guenther <rguenther@suse.de>
8222 PR tree-optimization/22303
8223 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8225 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8226 ccp_fold did not simplify the statement.
8228 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8231 * Makefile.in (GCC_OBJS): New.
8232 (OBJS-common): Add opts-common.o.
8233 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8234 (cpp$(exeext)): Likewise.
8235 (gcc.o): Also depend on opts.h.
8236 (opts-common.o): New.
8238 * common.opt (gcoff): Add Negative(gdwarf-2).
8239 (gdwarf-2): Add Negative(gstabs).
8240 (gstabs): Add Negative(gstabs+).
8241 (gstabs+): Add Negative(gvms).
8242 (gvms): Add Negative(gxcoff).
8243 (gxcoff): Add Negative(gxcoff+).
8244 (gxcoff+): Add Negative(gcoff).
8245 * config/i386/i386.opt (m32): Add Negative(m64).
8246 (m64): Add Negative(m32).
8248 * doc/options.texi: Document the Negative option.
8250 * gcc.c: Include "opts.h".
8251 (main): Call prune_options after expandargv.
8253 * optc-gen.awk: Generate common declarations for all flag
8254 variables in options.c. Output the neg_index field.
8256 * opts.c (find_opt): Moved to ...
8257 * opts-common.c: Here. New file.
8259 * opts.h (cl_option): Add a neg_index field.
8261 (prune_options): Likewise.
8263 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8266 * omp-low.c (expand_omp_parallel): Don't assert
8267 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8268 instead search for it.
8271 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8274 2006-05-16 Andreas Schwab <schwab@suse.de>
8276 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8279 2006-05-15 Roger Sayle <roger@eyesopen.com>
8282 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8283 integer constants other than zero are only legitimate on TARGET_64BIT.
8284 <CONST_VECTOR> Only zero vectors are legitimate.
8285 (ix86_cannot_force_const_mem): Integral and vector constants can
8286 always be put in the constant pool.
8288 2006-05-16 DJ Delorie <dj@redhat.com>
8290 * crtstuff.c (__dso_handle): Set section from
8291 TARGET_LBIGCC_SDATA_SECTION if defined.
8292 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8293 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8295 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8298 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8301 2006-05-16 Ben Elliston <bje@au.ibm.com>
8303 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8305 2006-05-15 Per Bothner <per@bothner.com>
8307 * tree.c: (last_annotated_node): Use source_locus typedef.
8308 This permits bootstrapping with --enable-mapped-location.
8310 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8312 PR tree-optimization/26830
8313 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8314 (info_for_ssa_name, current_info_for_ssa_name_age,
8315 blocks_to_update): New variables.
8316 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8317 (clear_ssa_name_info, initialize_flags_in_bb,
8318 mark_block_for_update): New functions.
8319 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8320 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8321 prepare_def_site_for): Use mark_block_for_update.
8322 (mark_def_interesting): Assert that the processed block is marked in
8323 blocks_to_update. Do not take blocks argument.
8324 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8326 (rewrite_update_init_block, rewrite_update_stmt): Only process
8327 blocks with statements to rewrite.
8328 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8329 (update_ssa): Initialize and free blocks_to_update. Do not
8330 clear flags on statements. Do not use blocks bitmap.
8331 * tree.h (SSA_NAME_AUX): Removed.
8332 (struct tree_ssa_name): Removed aux field.
8333 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8335 2006-05-15 Richard Guenther <rguenther@suse.de>
8337 PR tree-optimization/27603
8338 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8339 Do computations in original type.
8341 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8343 * see.c: Code style changes such as redundant paranthesis,
8344 redundant intialization of local variables etc.
8345 (see_main): Declared now as static.
8346 * doc/invoke.texi: Update that -fsee is not enabled by
8349 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8351 * omp-low.c (check_omp_nesting_restrictions): New function.
8352 (scan_omp_1): Call it.
8355 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8356 construct, return *VAR.
8358 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8360 PR rtl-optimization/27406
8361 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8364 2006-05-14 Roger Sayle <roger@eyesopen.com>
8366 PR rtl-optimization/27538
8367 * combine.c (expand_compound_operation): Call gen_lowpart
8368 before calling simplify_shift_const.
8370 2006-05-14 Roger Sayle <roger@eyesopen.com>
8372 PR rtl-optimization/22563
8373 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8374 a fixed width bitfield, always force the intermediates into psuedos.
8376 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8379 * mkconfig.sh: Use operator = instead of == for test.
8381 2006-05-13 Nick Clifton <nickc@redhat.com>
8383 * dwarf2out.c (dbx_reg_number): Check return value from
8384 LEAF_REG_REMAP and only use it if it is valid.
8385 (multiple_reg_loc_descriptor): Likewise.
8387 2006-05-13 Richard Guenther <rguenther@suse.de>
8389 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8392 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8394 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8395 information attached to non-INSNs such as NOTEs.
8396 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8398 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8400 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8402 * config/s390/s390.md: Adjust comment describing On constraint.
8404 2006-05-11 Jan Hubicka <jh@suse.cz>
8406 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8407 to be output at -O0.
8409 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8412 * fold-const.c (size_binop): Move sanity check for arguments to
8413 the beginning of the function.
8416 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8419 2006-05-11 Richard Guenther <rguenther@suse.de>
8422 * fold-const.c (fold_unary): Handle intermediate conversion
8423 to a pointer type like intermediate conversion to an integer
8424 type in folding of (T1)(T2)var to var.
8425 Match the code to the comment in the final conversion for
8426 (T1)(T2)var to (T1)var regarding to type precision. Rather
8427 than disallow T1 being of pointer type, assert that both T1
8428 and var are of pointer type or not. Make sure not to fall
8429 over the frontends lazyness wrt array to pointer decay though.
8431 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8433 * arm.c (arm_struct_value_rtx): Delete.
8434 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8435 (arm_init_cumulative_args): Always initialize nregs to zero.
8437 2006-05-10 Richard Guenther <rguenther@suse.de>
8439 PR tree-optimization/27532
8440 * tree-object-size.c (plus_expr_object_size): Fix typo.
8442 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8445 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8446 ashrdi_const, ashrdi3): Use a scratch register.
8448 2006-05-10 Richard Guenther <rguenther@suse.de>
8450 PR tree-optimization/27302
8451 * fold-const.c (operand_equal_p): For two comparisons,
8452 try comparison of one comparison code swapped if that yields
8455 2006-05-10 Ben Elliston <bje@au.ibm.com>
8457 * tree-pretty-print.c (pretty_print_string): No need to handle
8458 '\0' as a special character.
8460 * tree.h: Include "hashtab.h".
8461 (iterative_hash_expr): Use hashval_t in its prototype.
8462 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8464 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8467 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8468 (hppa*64*-*-hpux11*): Ditto.
8469 (hppa[12]*-*-hpux11*): Ditto.
8471 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8474 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8476 2006-05-09 Michael Matz <matz@suse.de>
8478 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8479 host_extra_gcc_objs and host_xmake_file.
8480 (<*-*-linux*>): Don't overwrite host_xmake_file.
8481 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8482 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8483 (host_detect_local_cpu): Declare.
8484 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8485 * config/i386/i386.c (override_options): Handle -mtune=native
8487 * config/i386/x-i386: New file.
8488 * config/i386/driver-i386.c: New file.
8489 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8492 2006-05-09 Dirk Mueller <dmueller@suse.de>
8493 Richard Guenther <rguenther@suse.de>
8496 * fold-const.c (fold_read_from_constant_string): Relax check
8497 for matching types to matching modes.
8499 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8501 PR rtl-optimization/27335
8502 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8505 2006-05-08 Chao-ying Fu <fu@mips.com>
8506 Richard Sandiford <richard@codesourcery.com>
8508 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8509 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8510 * config/mips/mips.md (UNSPEC_SCC): New constant.
8511 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8512 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8513 (mips_emit_compare): Use it.
8514 (mips_expand_vcondv2sf): New function.
8516 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8518 Fix PR tree-optimization/27093
8519 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8520 renaming when they become not-used_alone.
8522 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8524 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8525 relocation and relocation stubs.
8527 2006-05-08 Eric Christopher <echristo@apple.com>
8529 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8532 2006-05-08 Jan Hubicka <jh@suse.cz>
8535 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8536 unused static functions are needed.
8538 2006-05-08 Roger Sayle <roger@eyesopen.com>
8541 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8542 of a reg_equiv_constant if the result is a legitimate constant.
8544 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8547 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8548 standard 80387 constants, raise the cost to prevent
8549 compress_float_constant() to generate load from memory.
8551 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8553 * config/arm/constraints.md (c): Fix a typo.
8555 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8558 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8561 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8563 (_mm_mwait): Likewise.
8565 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8567 (sse3_monitor): Make it 32bit only.
8568 (sse3_monitor64): New. 64bit monitor.
8570 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8573 * config/i386/i386.c (classify_argument): Skip fields with invalid
8576 2006-05-07 Richard Guenther <rguenther@suse.de>
8578 PR tree-optimization/27409
8579 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8580 Do not try to find zero-sized subvars.
8582 2006-05-07 Richard Guenther <rguenther@suse.de>
8584 PR tree-optimization/27136
8585 * tree-ssa-loop-niter.c (get_val_for): Correct function
8586 comment, assert requirements.
8587 (loop_niter_by_eval): Stop processing if the iterated
8588 value did not simplify.
8590 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8592 * opts.c (flag_see): remove its setting at -O3.
8594 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8596 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8597 * arm/constraints.md: New file.
8598 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8599 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8600 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8601 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8602 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8603 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8604 * arm.md: Include constraints.md.
8605 (thumb_movsi_insn): Use satisfies_constraint_J.
8606 (movhi, movqi): Use satisfies_constraint_I.
8608 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8610 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8611 for atmeg a645 device.
8613 2006-05-06 Richard Guenther <rguenther@suse.de>
8615 PR tree-optimization/27151
8616 * tree-vect-transform.c (vectorizable_condition): Punt on
8617 values that have a different type than the condition.
8619 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8622 * c-parser.c (c_parser_cast_expression): Only insert casts into
8623 hash table if pointer.
8624 * function.c (used_types_insert_helper): Rename from
8626 (used_types_insert): Call used_types_insert_helper.
8627 * function.h (used_types_insert): Accept only one argument.
8629 2006-05-05 David Edelsohn <edesohn@gnu.org>
8631 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8632 scratch with output modifier.
8634 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8637 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8638 with output modifier.
8640 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8643 * config/mips/mips.c (mips_symbolic_address_p): Return true
8644 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8645 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8647 2006-05-04 Richard Guenther <rguenther@suse.de>
8649 PR tree-optimization/14287
8650 PR tree-optimization/14844
8651 PR tree-optimization/19792
8652 PR tree-optimization/21608
8653 PR tree-optimization/27090
8654 * tree-ssa-pre.c (try_combine_conversion): New function.
8655 (compute_avail): After constructing the value-handle
8656 expression, use try_combine_conversion to combine NOP_EXPRs
8657 with previous value-handle expressions and use the result if it
8660 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8662 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8664 2006-05-04 Jan Hubicka <jh@suse.cz>
8667 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8669 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8671 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8672 that this only matches CONST_INTs. All users changed to VOIDmode
8675 * config/bfin/bfin.c: Include "optabs.h".
8676 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8678 (enum bfin_builtins): Add a number of fractional and vector builtins.
8679 (bfin_init_builtins): Likewise.
8680 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8681 (safe_vector_operand, bfin_expand_binop_builtin,
8682 bfin_expand_unop_builtin): New functions.
8683 (bfin_expand_builtin): Handle the new builtins.
8684 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8687 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8690 * Makefile.in (OBJS-common): Add see.o.
8691 (see.o): Add dependencies.
8692 * common.opt (fsee): New flag for the see optimization was added.
8693 * opts.c (flag_see): Initialized.
8694 * passes.c (init_optimization_passes, pass_see): New pass.
8695 * rtl.h (see_main): Declaration as extern.
8696 * timevar.def (TV_SEE): New.
8697 * tree-pass.h (pass_see): Declaration as extern.
8698 * invoke.texi (-fsee): Document.
8699 * recog.c (validate_simplify_insn): New function.
8700 * recog.h (validate_simplify_insn): Declaration as extern.
8701 * df-problems.c (df_chain_dump): Check for NULL.
8703 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8704 Daniel Berlin <dberlin@dberlin.org>
8706 * cfgrtl.c (insert_insn_bb_end_new): New function.
8707 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8709 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8711 * df.h (struct web_entry): Moved from web.c.
8712 (union_defs): Declaration as extern.
8713 (unionfind_root): Likewise.
8714 (unionfind_union): Likewise.
8715 * web.c (struct web_entry): Moved to df.h.
8716 (unionfind_root): Remove static declaration.
8717 (unionfind_union): Likewise.
8718 (union_defs): Likewise and generalize to use callback function.
8719 (web_main): Update arguments for union_defs function call.
8721 2006-05-04 Richard Guenther <rguenther@suse.de>
8723 PR tree-optimization/26447
8724 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8725 produce SSA_NAME copies before the store stmt to avoid
8726 breaking exception handling.
8728 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8731 * gimplify.c (omp_is_private): If var is shared in some outer context,
8732 return false instead of true. Stop searching on parallel context
8735 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8738 * coverage.c: Use get_gcov_unsigned_t() instead of
8739 unsigned_type_node all over.
8741 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8743 PR tree-optimization/27381
8744 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8745 maintain the same immediate_use links.
8746 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8747 node rather than segfaulting.
8749 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8752 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8753 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8754 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8756 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8758 Fix PR tree-optimization/26626
8759 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8761 * tree-ssa-operands.c (access_can_touch_variable): Allow
8762 typecasting through union pointers.
8764 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8767 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8768 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8769 to find if var will be a global variable even in the nested context.
8770 (omp_copy_decl): Only check for global variable at the end, it might
8771 be overridden in outer contexts.
8772 (scan_sharing_clauses): For global variables don't create a field.
8773 (lower_rec_input_clauses): Do nothing for global shared variables.
8774 Emit a barrier at the end of ILIST if there were any decls in both
8775 firstprivate and lastprivate clauses.
8776 (lower_send_clauses): Do nothing for global variables except for
8779 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8781 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8782 of the correct signedness is returned.
8784 2006-05-02 Jeff Law <law@redhat.com>
8786 PR tree-optimization/27364
8787 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8788 multiply expressions.
8790 2006-05-02 Tom Tromey <tromey@redhat.com>
8792 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8794 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8797 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8798 -mthumb -fPIC are used.
8800 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8801 Joshua Kinard <kumba@gentoo.org>
8804 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8805 with 64-bit pointers.
8807 2006-05-02 Paul Brook <paul@codesourcery.com>
8809 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8811 (create_fix_barrier): Check that a suitable barrier location is
8813 (arm_reorg): Include ftmp->address in allowable range of addresses.
8815 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8818 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8821 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8824 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8825 around RESULT_DECL for result passed by reference.
8826 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8827 * omp-low.c (use_pointer_for_field): Don't look at
8828 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8829 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8830 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8831 time or var for passing by reference for
8832 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8833 TREE_ADDRESSABLE variables when passing by reference.
8835 * omp-low.c (dump_omp_region): Fix output formatting.
8838 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8839 (expand_omp_parallel): Likewise.
8840 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8843 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8844 on statement list containing also constructors and destructors.
8845 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8848 * except.c (duplicate_eh_regions): Fix clearing of
8849 cfun->eh->region_array entries.
8851 2006-05-01 DJ Delorie <dj@redhat.com>
8853 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8855 (gcc_cv_objdump): Likewise.
8856 * configure: Regenerated.
8858 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8861 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8862 templates for case 3 and 4.
8864 2006-05-01 DJ Delorie <dj@redhat.com>
8866 * vec.c: Include bconfig.h when appropriate.
8867 * Makefile.in (build/vec.o): Adjust dependencies.
8868 * mkconfig.sh: Make sure config.h isn't used for build machine
8871 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8873 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8875 (mark_phi_for_rewrite): New function.
8876 (insert_phi_nodes_for, mark_use_interesting): Call
8877 mark_phi_for_rewrite.
8878 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8879 (update_ssa): Initialize and free phis_to_rewrite.
8881 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8883 PR rtl-optimization/27291
8884 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8885 folded to a constant.
8887 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8889 PR tree-optimization/27283
8890 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8891 not whole # of iteration descriptions.
8892 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8893 uses abnormal ssa name.
8894 (niter_for_single_dom_exit): Ditto.
8895 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8896 return just the number of iterations.
8898 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8900 PR tree-optimization/27144
8901 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8902 (record_estimate): Only record constant upper bound.
8903 (infer_loop_bounds_from_undefined): Call
8904 compute_estimated_nb_iterations just once.
8905 (proved_non_wrapping_p): Renamed to ...
8906 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8907 (convert_step_widening, scev_probably_wraps_p): Call
8908 n_of_executions_at_most instead of proved_non_wrapping_p.
8909 (substitute_in_loop_info): Do not replace values in bounds.
8910 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8913 2006-05-01 Richard Henderson <rth@redhat.com>
8916 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8917 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8920 2006-05-01 Roger Sayle <roger@eyesopen.com>
8922 * c-typeck.c (parser_build_binary_op): Don't call the function
8923 unsigned_conversion_warning to spot operand/result type overflow.
8924 (build_binary_op): Instead, call convert_and_check instead of
8925 convert to report the problem when the operands are promoted.
8926 * c-common.c (unsigned_conversion_warning): Make static.
8927 * c-common.h (unsigned_conversion_warning): Delete prototype.
8929 2006-05-01 Richard Guenther <rguenther@suse.de>
8931 PR tree-optimization/26726
8932 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8934 (find_interesting_uses_address): ... we work around here
8935 by folding INDIRECT_REFs in the substituted base.
8937 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8939 * omp-low.c (dump_omp_region): Add newlines.
8941 2006-04-30 Roger Sayle <roger@eyesopen.com>
8943 * common.opt (Woverflow): New command line option.
8944 * c-common.c (constant_expression_warning): Check warn_overflow.
8945 (overflow_waring): Pass OPT_Woverflow to warning.
8946 (unsigned_conversion_warning): Likewise.
8947 (convert_and_check): Likewise.
8948 * doc/invoke.texi: Document new command line option.
8950 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8952 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8953 TARGET_NO_FP_IN_TOC for section anchors.
8954 (optimization_options): Enable section anchors for all
8955 non-"Objective" languages.
8957 2006-04-28 Eric Christopher <echristo@apple.com>
8959 * config/darwin-c.c (darwin_ms_struct): Move this
8960 (darwin_set_default_type_attributes): and this...
8961 * config/darwin.c: ... here.
8962 * config/darwin.h (darwin_ms_struct): Declare.
8964 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8966 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8968 2006-04-28 Roger Sayle <roger@eyesopen.com>
8971 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8972 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8973 an unsigned HOST_WIDE_INT.
8974 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8976 (really_start_incremental_init): No need to call convert because
8977 bitsize_zero_node is already of type bitsizetype.
8978 (push_init_level): Extract the value of constructor_index as an
8979 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8980 (process_init_element): Likewise.
8982 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8984 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8985 value before passing to make_relative_prefix.
8987 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8990 * builtins.c (expand_builtin_memset): Expand val in original mode.
8992 2006-04-27 Eric Christopher <echristo@apple.com>
8994 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8995 with #ifndef/#endif.
8996 * config/darwin-c.c (darwin_ms_struct): New.
8997 (darwin_pragma_ms_struct): Ditto.
8998 (darwin_set_default_type_attributes): Ditto.
8999 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9000 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9001 Register ms_struct pragma.
9002 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9003 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9004 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9005 darwin_set_default_type_attributes if TARGET_MACHO.
9007 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9009 PR tree-optimization/26854
9010 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9011 * doc/tree-ssa.texi: Update immuse iterator documentation.
9012 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9013 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9014 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9015 first_safe_imm_use, next_safe_imm_use): Remove.
9016 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9017 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9018 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9019 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9020 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9021 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9022 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9023 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9024 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9025 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9026 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9027 (perfect_nestify): Use new iterator.
9028 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9030 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9031 (next_imm_name): New field in struct immediate_use_iterator_d.
9032 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9033 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9034 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9035 * tree-cfg.c (replace_uses_by): Use new iterator.
9036 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9037 * tree-ssa-operands.c (correct_use_link): Remove.
9038 (finalize_ssa_use_ops): No longer call correct_use_link.
9040 2006-04-27 Stuart Hastings <stuart@apple.com>
9042 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9043 * config/t-darwin (crt3.o): Use it.
9044 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9045 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9046 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9047 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9048 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9051 2006-04-27 Roger Sayle <roger@eyesopen.com>
9053 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9054 size, force the intermediate into a new pseudo rather instead of
9055 performing both a bitwise AND and a bitwise IOR in memory.
9057 2006-04-27 Richard Guenther <rguenther@suse.de>
9059 PR rtl-optimization/26685
9060 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9061 this one "max-flow-memory-locations".
9063 2006-04-27 Richard Guenther <rguenther@suse.de>
9065 PR tree-optimization/25148
9066 * tree-vrp.c (compare_values): Remove code dealing with
9067 comparisons against type min/max value. Honour overflow
9068 and negative constants in code dealing with comparisons
9069 of plus and minus expressions.
9070 (value_inside_range): Use fold_binary with LE_EXPR and
9071 GE_EXPR rather than compare_values.
9073 2006-04-27 Dirk Mueller <dmueller@suse.de>
9075 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9078 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9080 * basic-block.h (safe_insert_insn_on_edge): Removed.
9081 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9083 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9084 Paolo Bonzini <bonzini@gnu.org>
9087 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9088 (simplify_and_const_int): Same.
9090 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9092 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9094 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9097 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9098 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9099 cgraph_global_info_ready.
9102 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9105 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9106 either decl or init is error_mark_node.
9109 * tree-flow.h (struct omp_region): Add sched_kind.
9110 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9111 instead of extracting omp for data.
9112 (expand_omp_for): Save extracted sched_kind.
9114 2006-04-25 Roger Sayle <roger@eyesopen.com>
9116 * expmed.c (store_bit_field): Also check whether the bitsize is
9117 valid for the machine's "insv" instruction before moving the
9118 target into a pseudo for use with the insv.
9119 * config/i386/predicates.md (const8_operand): New predicate.
9120 * config/i386/i386.md (extv, extzv, insv): Use the new
9121 const8_operand predicate where appropriate.
9123 2006-04-25 DJ Delorie <dj@redhat.com>
9125 * doc/install.texi (Specific): Clarify that this is not a list of
9126 supported hosts or targets.
9128 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9130 PR rtl-optimization/26725
9131 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9132 block's BB_DIRTY flag.
9134 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9136 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9139 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9140 to print an integer.
9142 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9144 * varasm.c (align_variable): New function.
9145 (get_block_for_decl): Apply align_variable to DECL before
9146 calculating section information.
9147 (assemble_variable): Split out alignment computation.
9149 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9151 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9154 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9156 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9157 MODE_PARTIAL_INT mode.
9158 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9159 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9161 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9162 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9164 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9166 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9168 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9169 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9170 MACFLAG_IH): Likewise.
9171 (movstricthi_1): Renamed from "*movstricthi".
9172 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9173 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9174 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9175 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9176 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9177 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9178 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9179 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9180 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9181 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9182 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9183 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9184 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9185 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9186 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9188 * doc/rtl.texi (ss_ashift): Improve wording.
9190 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9192 * dwarf2out.c (verify_marks_clear): New.
9193 (prune_unused_types): Call verify_marks_clear initially, not
9196 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9198 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9199 * doc/rtl.texi: Document them.
9200 * simplify-rtx.c (simplify_unary_operation,
9201 simplify_binary_operation_1): Don't abort when we see them.
9203 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9206 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9207 * configure.ac: Completely disregard languages that are not
9209 * configure: Regenerated.
9211 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9212 Richard Guenther <rguenther@suse.de>
9214 PR tree-optimization/27236
9215 * tree-inline.c (copy_body_r): Make sure to copy
9216 TREE_THIS_VOLATILE flag.
9218 2006-04-24 Richard Guenther <rguenther@suse.de>
9221 * tree-complex.c (update_parameter_components): Don't handle
9222 unused parameters which have no default def.
9224 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9225 Richard Guenther <rguenther@suse.de>
9227 PR tree-optimization/27218
9228 * tree-inline.c (expand_call_inline): Strip useless type
9229 conversions for the return slot address.
9231 2006-04-24 Richard Guenther <rguenther@suse.de>
9233 * cfgloop.h (struct loops): Remove unused field array. Reorder
9235 (LOOP_PREFETCH): Remove.
9237 2006-04-24 Richard Guenther <rguenther@suse.de>
9239 PR tree-optimization/22525
9240 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9241 variable, adjust types of generated expressions.
9243 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9245 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9246 (tree-vect-patterns.o): Likewise.
9248 (cselib.o): Likewise.
9249 (loop-doloop.o): Likewise.
9250 (regclass.o): Likewise.
9251 (reload1.o): Likewise.
9252 (explow.o): Replace target.h with $(TARGET_H).
9253 (ipa-prop.o): Likewise.
9254 (ipa-cp.o): Likewise.
9255 (ipa-inline.o): Likewise.
9256 (reorg.o): Likewise.
9257 (reg-stack.o): Likewise.
9259 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9261 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9263 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9265 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9267 * configure.ac: Completely disregard languages that are not
9269 * configure: Regenerated.
9272 * c-common.h (c_build_bitfield_integer_type): Declare.
9273 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9274 * c-common.c (c_build_bitfield_integer_type): ... here.
9276 2006-04-23 Roger Sayle <roger@eyesopen.com>
9279 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9280 a SImode SUBREG of a floating point register after no_new_pseudos.
9282 2006-04-23 Roger Sayle <roger@eyesopen.com>
9284 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9285 identify potentially eliminable registers to additionally catch
9286 VIRTUAL_INCOMING_ARGS_REGNUM.
9287 (addsi3): Update the conditions on when to use addsi_small_int.
9289 2006-04-23 Roger Sayle <roger@eyesopen.com>
9292 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9293 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9294 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9296 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9298 * fold-const.c (range_predecessor): Use operand_equal_p
9299 as the predicate for equality.
9300 (range_successor): Likewise.
9302 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9305 * config/soft-fp/op-common.h: Fix a typo.
9307 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9310 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9311 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9313 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9315 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9317 * doc/tm.texi: Fix a typo.
9319 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9321 * dwarf2out.c (struct die_struct): Document that die_sib makes
9322 a circular linked list.
9323 (FOR_EACH_CHILD): New.
9324 (reverse_die_lists): Delete.
9325 (reverse_all_dies): Delete.
9326 (add_dwarf_attr): Correct documentation.
9327 (remove_child_with_prev): New.
9328 (remove_child_TAG): Update for change to die_struct, use
9329 remove_child_with_prev.
9330 (add_child_die): Update for change to die_struct.
9331 (splice_child_die): Use remove_child_with_prev and add_child_die.
9332 (print_die): Use FOR_EACH_CHILD.
9333 (die_checksum): Likewise.
9334 (assign_symbol_names): Likewise.
9335 (output_location_lists): Likewise.
9336 (build_abbrev_table): Likewise.
9337 (calc_die_sizes): Likewise.
9338 (mark_dies): Likewise.
9339 (unmark_dies): Likewise.
9340 (unmark_all_dies): Likewise.
9341 (output_die): Likewise.
9342 (prune_unused_types_mark): Likewise.
9343 (prune_unused_types_walk): Likewise.
9344 (same_die_p): Update for change to die_struct.
9345 (break_out_includes): Likewise.
9346 (prune_unused_types_prune): Likewise.
9347 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9348 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9350 (dwarf2out_finish): Don't call reverse_all_dies.
9352 2006-04-21 Eric Christopher <echristo@apple.com>
9354 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9355 in comments and function names.
9357 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9360 * c-typeck.c (digest_init): Robustify.
9362 * c-typeck.c (pop_init_level): Simplify.
9364 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9366 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9368 2006-04-21 Paul Brook <paul@codesourcery.com>
9370 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9371 hardware floating point.
9373 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9375 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9378 2006-04-21 Nick Clifton <nickc@redhat.com>
9380 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9383 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9386 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9387 C++ lang type in traceback table for Objective-C++.
9389 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9391 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9393 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9395 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9398 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9399 were errors. Remove check for erroneous objects.
9401 2006-04-20 Jeff Law <law@redhat.com>
9403 PR tree-optimization/26854
9404 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9405 checking for zero or one use.
9406 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9407 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9408 * tree-ssa-reassoc.c (negate_value): Similarly.
9409 (reassociate_bb): Similarly.
9411 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9413 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9414 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9415 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9417 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9419 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9420 fp regs if the last fp arg doesn't fit in regs.
9422 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9425 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9426 that the last insn has the REG_INC note.
9428 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9429 Nathan Sidwell <nathan@codesourcery.com>
9432 * stor-layout.c (update_alignment_for_field): Do not align
9434 (place_union_field): Place union field at the start of the union.
9435 (place_field): Move ERROR_MARK check later, and use the current
9436 allocation position to maintain monotonicity.
9438 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9440 * dominance.c: Include timevar.h.
9441 (calculate_dominance_info): Use TV_DOMINANCE.
9442 * timevar.def (TV_DOMINANCE): New timevar.
9443 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9445 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9447 PR rtl-optimization/14261
9448 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9449 move would be an INSV insn.
9450 (noce_process_if_block): Don't optimize if the destination is a
9451 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9453 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9455 * config/s390/s390.md: Add comments with the instructions emitted
9456 by an insn pattern if macros are used.
9458 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9460 PR rtl-optimization/26026
9461 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9462 is a known power of two shifted left a variable amount.
9464 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9466 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9467 to hash table twice when the debug_str section has SECTION_MERGE.
9469 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9471 * config/soft-fp: New directory. From glibc.
9472 * config/soft-fp/t-softfp: New.
9473 * config/soft-fp/README: New.
9474 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9475 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9476 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9477 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9478 * config.gcc: Use rs6000/t-fprules-fpbit or
9479 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9481 * config/rs6000/sfp-machine.h: New. Based on glibc.
9482 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9484 * config/rs6000/t-fprules: Remove fp-bit rules.
9485 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9486 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9487 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9488 (softfp_wrap_start, softfp_wrap_end): New.
9490 2006-04-18 DJ Delorie <dj@redhat.com>
9492 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9494 2006-04-18 Devang Patel <dpatel@apple.com>
9496 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9498 2006-04-18 Nick Clifton <nickc@redhat.com>
9500 * config/sh/t-symbian: Add rule to build sh-c.o
9501 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9502 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9503 (sh_symbian_encode_section_info): Likewise.
9505 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9507 * builtins.c (expand_builtin_strcmp): Cover label definition of
9508 do_libcall with HAVE_cmpstrnsi.
9510 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9512 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9514 * function.h (temp_slot_p): New.
9515 (function): Change the type of x_used_temp_slots to
9516 VEC(temp_slot_p,gc) *.
9518 2006-04-18 Nick Clifton <nickc@redhat.com>
9520 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9521 flag_strength_reduce.
9523 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9525 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9529 Partial revert of revision 112637
9530 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9531 Dale Johannesen <dalej@apple.com>
9534 * regclass.c (struct reg_pref): Update documentation.
9535 (regclass): Set prefclass to NO_REGS if memory is the best option.
9536 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9538 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9540 PR tree-optimization/26821
9541 * tree-ssa-math-opts.c (get_constant_one): New.
9542 (insert_reciprocals): Use it.
9544 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9546 * dwarf2out.c (free_AT): Delete.
9547 (remove_AT): Update string ref counts.
9548 (remove_child_TAG): Don't call free_die.
9550 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9551 or DW_TAG_GNU_EINCL.
9552 (prune_unused_types_walk_attribs): Reset string refcounts.
9553 (prune_unused_types_update_strings): New.
9554 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9555 call free_die. Do call prune_unused_types_update_strings.
9556 (prune_unused_types): Empty debug_str_hash.
9558 2006-04-17 Roger Sayle <roger@eyesopen.com>
9560 * expr.c (expand_assignment): Optimize away no-op moves where the
9561 source and destination are equal and have no side-effects.
9563 2006-04-17 Richard Guenther <rguenther@suse.de>
9566 * reload.c (push_reload): Guard calls to get_secondary_mem
9569 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9571 * alias.c (reg_base_value, old_reg_base_value): Change the
9572 type to VEC(rtx,gc) *.
9573 (REG_BASE_VALUE, find_base_value, record_set,
9574 init_alias_analysis): Use VEC instead of VARRAY.
9576 * alias.c (alias_sets): Change the type to
9577 VEC(alias_set_entry,gc) *.
9578 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9579 VEC instead of VARRAY.
9580 (last_alias_set): Remove.
9582 * cgraph.h (cgraph_edge_p): New.
9583 Update the prototype of cgraph_function_versioning.
9584 * cgraphunit.c (cgraph_copy_node_for_versioning,
9585 cgraph_function_versioning): Use VEC instead of VARRAY.
9586 * ipa-cp.c (ipcp_insert_stage): Likewise.
9588 2006-04-16 Roger Sayle <roger@eyesopen.com>
9591 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9592 "A op B" or "A op C", we may need to convert A to the type of B and C.
9594 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9596 * target.h (struct gcc_target): Add mode_rep_extended.
9597 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9598 (init_num_sign_bit_copies_in_rep): Initialize it using
9600 (truncate_to_mode): Use it.
9601 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9602 * targhooks.h (default_mode_rep_extended): Declare it.
9603 * targhooks.c (default_mode_rep_extended): Define it.
9604 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9605 default_mode_rep_extended.
9606 (TARGET_INITIALIZER): Include it.
9607 * doc/tm.texi (Misc): Document it.
9608 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9609 (mips_truncated_to_mode): New function.
9611 2006-04-16 Roger Sayle <roger@eyesopen.com>
9614 * expr.c (compress_float_constant): Copy the narrow constant into
9615 a new pseudo before extending it to its final width.
9617 2006-04-16 Roger Sayle <roger@eyesopen.com>
9618 Andrew Pinski <pinskia@gcc.gnu.org>
9619 Dale Johannesen <dalej@apple.com>
9622 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9623 special case code to implement V8HImode and V16QImode with SSE2.
9625 2006-04-15 Roger Sayle <roger@eyesopen.com>
9627 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9628 trees are constructed with a suitable tree type.
9630 2006-04-15 Roger Sayle <roger@eyesopen.com>
9632 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9633 (integer_onep): Likewise.
9634 (integer_all_onesp): Likewise.
9635 (integer_pow2p): Likewise.
9636 (integer_nonzerop): Likewise.
9637 (real_zerop): Likewise.
9638 (real_onep): Likewise.
9639 (real_twop): Likewise.
9640 (real_minus_onep): Likewise.
9641 (int_size_in_bytes): Likewise.
9642 (host_integerp): Likewise.
9644 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9646 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9647 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9648 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9650 * tree-ssa-structalias.h (alias_info): Remove num_references.
9652 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9654 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9655 (output_bvb patterns): Likewise.
9656 * pa.c (output_bb): Use 'bb' insn for long branch case.
9657 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9658 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9659 1. Correct length operand for alternatives 1 and 2.
9660 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9661 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9663 2006-04-14 Roger Sayle <roger@eyesopen.com>
9665 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9666 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9667 were accidentally reverted by r112959.
9669 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9672 * except.h (eh_region_outermost): New prototype.
9673 * except.c (eh_region_outermost): New function.
9674 * tree-cfg.c (find_outermost_region_in_block): Use it.
9676 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9678 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9680 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9681 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9682 (init_reload, reload): Use VEC instead of VARRAY.
9683 * reload.h: Update the prototype for
9684 reg_equiv_memory_loc_varray.
9686 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9687 Eric Botcazou <ebotcazou@libertysurf.fr>
9689 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9692 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9695 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9696 to expand fallback builtin function call.
9698 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9701 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9702 and emit libcall here in case the builtin fails.
9703 (expand_builtin_strcmp): Always emit the libcall here on failure.
9705 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9707 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9708 * flow.c (reg_n_info): Change the type to
9709 VEC(reg_info_p,heap) *.
9710 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9712 * regs.h (reg_info_p): New.
9713 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9714 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9715 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9718 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9720 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9722 * params.h (MAX_SCHED_READY_INSNS): New macro.
9723 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9724 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9725 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9726 the ready list for 1 cycle during the first scheduling pass.
9727 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9729 2006-04-13 Richard Henderson <rth@redhat.com>
9732 * gimple-low.c (lower_omp_directive): Remove dead code.
9733 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9734 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9735 * omp-low.c (struct omp_region): Move to tree-flow.h.
9736 (root_omp_region): Export.
9737 (omp_regions, lookup_omp_region): Remove.
9738 (determine_parallel_type): Update for struct omp_region changes.
9739 (dump_omp_region): Dump regions with block numbers.
9740 (new_omp_region): Take type and block instead of stmt; malloc
9742 (free_omp_region_1, free_omp_regions): New.
9743 (expand_parallel_call): Take entry_stmt as argument; update for
9744 changes to omp_region.
9745 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9746 (remove_exit_barriers): New.
9747 (expand_omp_parallel): Update for struct omp_region changes.
9748 (expand_omp_synch): Likewise.
9749 (expand_omp): Likewise.
9750 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9751 (expand_omp_for_static_chunk): Likewise.
9752 (expand_omp_for): Likewise.
9753 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9754 (expand_omp_sections): Similarly, with GOMP_sections_end.
9755 (expand_omp_single): New.
9756 (build_omp_regions_1): Update for OMP_CONTINUE.
9757 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9758 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9759 OMP_SECTIONS_SECTIONS.
9760 (lower_omp_single_simple): Don't emit barrier here.
9761 (lower_omp_single_copy): Likewise.
9762 (lower_omp_single): Fix bindings, and lower to straightline now.
9763 (lower_omp_master, lower_omp_ordered): Likewise.
9764 (lower_omp_critical): Likewise.
9765 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9766 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9767 omp edges, free it afterward.
9768 (make_omp_sections_edges): Remove.
9769 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9770 (move_stmt_r): Handle OMP_CONTINUE.
9771 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9772 statement pointers to basic blocks. Add type member.
9773 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9774 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9775 * tree-inline.c (estimate_num_insns_1): Likewise.
9776 * tree-pretty-print.c (dump_generic_node): Likewise.
9777 * tree-ssa-operands.c (get_expr_operands): Likewise.
9778 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9779 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9780 (OMP_CONTINUE): New.
9781 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9782 (OMP_SECTIONS_SECTIONS): Remove.
9783 (OMP_SECTION_LAST): New.
9784 (OMP_RETURN_NOWAIT): New.
9786 2006-04-13 Roger Sayle <roger@eyesopen.com>
9788 * fold-const.c (native_encode_vector, native_interpret_real):
9789 Correct obvious mistakes in the previous check-in.
9791 2006-04-13 Roger Sayle <roger@eyesopen.com>
9793 * fold-const.c (native_encode_expr): New function to encode
9794 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9795 or VECTOR_CST into a specified buffer.
9796 (native_encode_int): New function.
9797 (native_encode_real): New function.
9798 (native_encode_complex): New function.
9799 (native_encode_vector): New function.
9800 (native_interpret_expr): Inverse of native_encode_expr to convert
9801 a target representation into an INTEGER_CST, REAL_CST etc...
9802 (native_interpret_int): New function.
9803 (native_interpret_real): New function.
9804 (native_interpret_complex): New function.
9805 (native_interpret_vector): New function.
9806 (fold_view_convert_expr): New function to constant fold/evaluate
9807 a VIEW_CONVERT_EXPR of a suitable constant expression.
9808 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9809 Change call of build1 to fold_build1 when constructing a
9812 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9813 Ulrich Weigand <uweigand@de.ibm.com>
9816 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9819 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9822 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9823 optimize to lo_sum for DFmode if !TARGET_FPRS.
9825 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9827 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9828 delete_alias_info, compute_flow_sensitive_aliasing,
9829 group_aliases): Use VEC instead of VARRAY.
9830 * tree-ssa-structalias.c (update_alias_info): Likewise.
9831 * tree-ssa-structalias.h (alias_info): Change the type of
9832 processed_ptrs to VEC(tree,heap) *.
9834 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9837 * config/sh/lib1funcs.h: New file, broken out of:
9838 * config/sh/lib1funcs.asm.
9839 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9841 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9842 * config/sh/lib1funcs-Os-4-200.asm: New file.
9843 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9844 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9845 (EXTRA_MULTILIB_PARTS): Include it.
9846 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9847 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9848 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9849 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9852 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9854 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9855 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9856 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9858 * tree-ssa-live.h: Include vecprim.h.
9859 (tree_partition_associator_d): Change the type of
9860 first_partition to VEC(int,heap) *.
9861 (tpa_first_partition): Use VEC instead of VARRAY.
9863 * Makefile.in (GTFILES): Move functions.h after tree.h.
9864 * function.c (reset_block_changes, record_block_change,
9865 check_block_change, free_block_changes): Use VEC instead of
9867 * function.h (function): Change the type of
9868 ib_boundaries_block to VEC(tree,gc) *.
9869 * tree-inline.c (copy_cfg_body): Initialize
9870 ib_boundaries_block to NULL instead of (varray_type) 0.
9872 2006-04-12 Roger Sayle <roger@eyesopen.com>
9874 * expr.c (emit_group_store): Correct operand order in call to
9875 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9876 a SUBREG_BYTE of zero.
9878 2006-04-12 Richard Guenther <rguenther@suse.de>
9880 * profile.c (compute_branch_probabilities): Remove code
9881 encapsulated in !ir_type (), which are remanents of the
9882 removed RTL profiling code.
9883 * rtl-profile.c: Remove.
9885 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9887 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9888 magic NULL_RTX comment.
9889 (function_arg): Store entire fp arg to mem if any part should go
9891 (rs6000_arg_partial_bytes): Adjust for above change.
9893 2006-04-11 Roger Sayle <roger@eyesopen.com>
9895 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9896 if it hasn't been initialized by dwarf2out_init.
9898 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9900 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9901 symbolic constants in branch patterns.
9903 2006-04-11 Roger Sayle <roger@eyesopen.com>
9905 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9907 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9909 PR rtl-optimization/27073
9910 * gcse.c (try_replace_reg): Revert last change. Continue to search
9911 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9914 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9916 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9917 aggregate types other than record and union types.
9918 (function_arg): Likewise.
9919 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9921 (function_value): In 64-bit mode, return objects that require it
9924 2006-04-11 Roger Sayle <roger@eyesopen.com>
9926 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9928 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9930 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9932 2006-04-03 Jeff Law <law@redhat.com>
9935 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9936 alias information too.
9938 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9940 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9942 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9945 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9946 (premark_used_types_helper): New.
9947 (premark_used_types): New.
9948 (gen_subprogram_die): Call premark_used_types.
9949 (prune_unused_types_walk): Do not prune perennial dies.
9950 * function.c (used_types_insert): New.
9951 * function.h (struct function): Add used_types_hash field.
9952 (used_types_insert): Add prototype.
9953 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9954 * c-parser.c (c_parser_cast_expression): Save casted types in used
9957 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9960 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9961 rs6000_explicit_options.float_gprs.
9963 2006-04-10 Roger Sayle <roger@eyesopen.com>
9965 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9966 from ix86_expand_vector_init_low_nonzero. Take an additional
9967 one_var argument indicating which element is non-zero. Support
9968 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9969 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9970 with one_var instead of ix86_expand_vector_init_low_nonzero.
9972 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9974 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9975 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9976 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9977 build/genextract.o): Depend on vecprim.h.
9978 * cfglayout.c, df-problems.c, function.c, genextract.c,
9979 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9980 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9984 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9986 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9987 Declare VECs of this type.
9988 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9989 (remove_children): Delete.
9990 (add_dwarf_attr): Use VEC routines.
9991 (add_AT_flag): Update for changes to add_dwarf_attr.
9992 (add_AT_int): Likewise.
9993 (add_AT_unsigned): Likewise.
9994 (add_AT_long_long): Likewise.
9995 (add_AT_vec): Likewise.
9996 (add_AT_string): Likewise.
9997 (add_AT_die_ref): Likewise.
9998 (add_AT_fde_ref): Likewise.
9999 (add_AT_loc): Likewise.
10000 (add_AT_loc_list): Likewise.
10001 (add_AT_addr): Likewise.
10002 (add_AT_lbl_id): Likewise.
10003 (add_AT_lineptr): Likewise.
10004 (add_AT_macptr): Likewise.
10005 (add_AT_offset): Likewise.
10006 (add_AT_range_list): Likewise.
10007 (get_AT): Use VEC_iterate.
10008 (remove_AT): Use VEC_ordered_remove.
10009 (free_die): Fold remove_children into here; have it use VEC_iterate.
10010 (print_die): Use VEC_iterate on attrs.
10011 (reverse_die_lists): Don't reverse attr lists.
10012 (die_checksum): Use VEC_iterate on attrs.
10013 (same_die_p): Likewise.
10014 (output_location_lists): Likewise.
10015 (build_abbrev_table): Likewise.
10016 (size_of_die): Likewise.
10017 (unmark_all_dies): Likewise.
10018 (output_abbrev_section): Likewise.
10019 (output_die): Likewise.
10020 (prune_unused_types_walk_attribs): Likewise.
10022 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10024 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10026 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10029 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10031 2006-04-09 Roger Sayle <roger@eyesopen.com>
10033 * expr.c (store_constructor): Don't bother clearing target if
10034 we're about to assign a vector to it using vec_init_optab.
10036 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10038 * tree-ssa-alias.c (lhs_may_store_to): New function.
10039 (recalculate_used_alone): Handle LHS of calls.
10041 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10045 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10046 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10047 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10048 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10049 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10050 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10051 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10052 stubs. Add ".align 8" directives before all ".dword" directives.
10053 (GTHREAD_USE_WEAK): Revise comment.
10054 (TARGET_ATTRIBUTE_WEAK): Define.
10055 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10056 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10057 * stublib.c: New file.
10062 * pa.md (cbranch patterns): Revise arguments used in calls to
10063 output_cbranch, output_bb and output_bvd. Add long branch length
10065 (fbranch patterns): Handle long branches.
10066 (jump): Revise length check. Revise arguments for output_lbranch call.
10067 Add long branch length attributes.
10068 (decrement_and_branch_until_zero): Add long branch length attributes.
10069 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10070 Likewise. Revise arguments for output_parallel_addb and
10071 output_parallel_movb calls.
10072 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10073 output_parallel_movb and output_parallel_addb): Update prototypes.
10074 * pa.c (output_cbranch): Revise arguments. Correct handling of
10075 nullification in long branches.
10076 (output_lbranch): Add new argument to control extraction of delay
10078 (output_bb): Handle long branches.
10079 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10080 output_parallel_addb): Likewise.
10082 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10084 PR rtl-optimization/27073
10085 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10088 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10090 * tree.h (tree_memory_tag): Add old_used_alone.
10091 (SMT_OLD_USED_ALONE): New macro.
10092 * tree-ssa-alias.c (recalculate_used_alone): Stop
10093 marking things for renaming unnecessarily.
10095 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10097 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10098 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10099 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10100 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10101 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10102 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10103 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10104 spelling convensions.
10105 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10106 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10107 typos. Follow spelling conventions.
10109 2006-04-07 DJ Delorie <dj@redhat.com>
10111 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10112 passed on the stack.
10113 (m32c_init_cumulative_args): When a function returns a structure,
10114 always pass the pointer to that return area on the stack.
10115 (m32c_function_arg_advance): Don't increment the parameter number
10116 if we're processing the returned structure pointer.
10117 (pushm_info): Reverse order of registers.
10119 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10121 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10122 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10123 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10124 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10125 build_int_cst_type.
10126 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10127 chrec_fold_multiply): Same.
10128 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10129 force_expr_to_var_cost): Same.
10130 * tree-mudflap.c (mf_xform_derefs_1): Same.
10131 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10133 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10135 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10136 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10139 2006-04-07 Jan Hubicka <jh@suse.cz>
10141 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10143 2006-04-07 Richard Guenther <rguenther@suse.de>
10145 PR tree-optimization/26135
10146 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10147 loads for store copy-prop.
10148 (copy_prop_visit_stmt): Likewise.
10150 2006-04-05 Robert Millan <robertmh@gnu.org>
10152 * config/i386/linux.h: Add a comment to mark macros that are
10153 being overriden in config/k*bsd-gnu.h.
10154 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10156 * config/knetbsd-gnu.h: Ditto.
10158 2006-04-06 Jan Hubicka <jh@suse.cz>
10162 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10165 2006-04-06 Mike Stump <mrs@apple.com>
10167 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10168 for HAVE_nonlocal_goto to be consistent.
10169 (expand_builtin_nonlocal_goto): Likewise.
10170 (expand_builtin_strcmp): Use #ifdef instead of #if
10171 for HAVE_cmpstrnsi to be consistent.
10173 2006-04-05 DJ Delorie <dj@redhat.com>
10175 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10178 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10180 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10181 got-relative addressing for anything but SImode.
10183 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10184 even if the calling function doesn't modify them.
10186 2006-04-05 Richard Guenther <rguenther@suse.de>
10188 PR tree-optimization/26919
10189 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10190 to cgraph_estimate_size_after_inlining.
10192 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10194 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10196 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10198 PR tree-optimization/26996
10199 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10200 VECTOR_TYPE variables.
10202 2006-04-05 Richard Guenther <rguenther@suse.de>
10204 PR tree-optimization/26763
10205 * fold-const.c (fold_comparison): Move folding of
10206 PTR + CST CMP PTR + CST ...
10207 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10209 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10211 * doc/install.texi (Prerequisites): Refine some wording on
10212 bootstrapping and ksh.
10213 Move the version numbers of DejaGnu here from the testing section
10214 and fix casing of names.
10215 Fix markup and clarify wording for autogen requirements.
10216 Refer to GCJ instead of just java.
10217 Refer to SVN instead of CVS.
10218 Describe diffutils as useful instead of necessary.
10219 (Downloading the source): Refer to SVN instead of CVS.
10220 Adjust a link to our web site accordingly.
10221 (Configuration): Fix casing of Bison.
10222 (Building): Refer to SVN instead of CVS.
10223 Fix a sentence on the use of Bison and remove duplicate (and
10224 incorrect) version number of Bison requirement.
10225 Remove one redundant list of packages needed for building.
10226 (Specific): Avoid reference to CVS.
10228 2006-04-04 Eric Christopher <echristo@apple.com>
10230 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10231 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10232 (rs6000_handle_struct_attribute): New.
10233 (rs6000_ms_bitfield_layout_p): Ditto.
10235 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10237 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10238 NULL for dso parameter to atexit_common.
10240 2006-04-04 Eric Christopher <echristo@apple.com>
10242 * config/i386/i386.c (machopic_output_stub): Output \t
10243 between instructions and operands.
10245 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10247 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10248 satisfies_constraint_[IL] to explicit tests on value.
10250 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10252 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10253 set_nb_iterations_in_loop): Use build_int_cst instead of
10254 build_int_cst_type.
10255 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10256 build_int_cst instead of convert.
10258 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10260 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10261 new value 2 for incoming.
10262 * function.c (expand_function_start): Call struct_value_rtx
10263 with incoming as 2.
10264 * config/sparc/sparc.md: Comment updated_return.
10265 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10266 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10267 struct return if sparc_std_struct_return and incoming is 2.
10268 (print_operand): Do not adjust return if
10269 sparc_std_struct_return.
10271 2006-04-04 Roger Sayle <roger@eyesopen.com>
10273 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10274 convert in the middle-end.
10275 * expr.c (store_expr, store_constructor, get_inner_reference,
10276 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10278 * tree.c (build_range_type): Likewise.
10280 2006-04-04 Tom Tromey <tromey@redhat.com>
10282 * doc/install.texi (Prerequisites): Mention jar.
10284 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10286 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10289 2006-04-04 Matthias Klose <doko@debian.org>
10291 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10295 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10298 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10300 * doc/extend.texi (Function Attributes): Rewrite visibility
10301 attribute documentation.
10302 * doc/invoke.texi (C++ Dialect Options): Rewrite
10303 -fvisibility-inlines-hidden documentation to describe something
10304 entirely different, although in practise compatible.
10305 (Code Gen Options): Warn about system headers in -fvisibility=
10308 * doc/extend.texi (Other Builtins): Document that
10309 __builtin_nan is a compile-time constant only when its argument
10312 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10314 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10315 trying to remove TRUNCATE check if all bits outside the new mode
10316 are identical to the sign bit.
10318 2006-04-03 Jeff Law <law@redhat.com>
10320 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10321 and operand scanning in some common cases.
10323 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10324 Dale Johannesen <dalej@apple.com>
10327 * regclass.c (struct reg_pref): Update documentation.
10328 (regclass): Set prefclass to NO_REGS if memory is the best option.
10329 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10330 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10331 into account. For non-registers, equate an empty preferred
10332 reload class to a `!' in the constraint; move the if clause to
10333 do so after those that reject the insn.
10334 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10336 (find_dummy_reload): Likewise.
10337 * doc/tm.texi (Register Classes): Document what it means
10338 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10339 * config/i386/i386.c (ix86_preferred_reload_class): Force
10340 using SSE registers (and return NO_REGS for floating-point
10341 constants) if math is done with SSE.
10342 (ix86_preferred_output_reload_class): New.
10343 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10344 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10345 * config/i386/i386.md: Remove # register preferences.
10347 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10350 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10351 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10352 the type of nb_iter.
10353 (instantiate_parameters_1): Convert the operands before calling
10354 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10355 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10357 2006-04-02 Roger Sayle <roger@eyesopen.com>
10359 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10360 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10361 instead of convert.
10362 * dojump.c (do_jump): Likewise.
10363 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10364 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10365 gimplify_boolean_expr): Likewise.
10366 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10367 * varasm.c (array_size_for_constructor): Likewise.
10368 * tree-object-size.c (compute_object_offset): Likewise.
10370 2006-04-02 Roger Sayle <roger@eyesopen.com>
10372 PR middle-end/26977
10373 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10374 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10376 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10378 PR tree-optimization/26939
10379 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10381 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10383 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10384 at_stmt. Convert the type of operands before calling
10385 build_polynomial_chrec.
10386 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10387 add_to_evolution_1.
10388 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10389 (instantiate_parameters_1): Convert the type of operands before calling
10390 build_polynomial_chrec.
10391 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10392 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10393 reset_evolution_in_loop): Insert asserts to check the types of the
10395 (chrec_type): Moved...
10396 (eq_evolutions_p): Use operand_equal_p.
10397 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10398 the types of the operands.
10399 (chrec_type): ...here.
10400 * tree-data-ref.c (create_data_ref): Convert the operands before
10401 calling chrec_replace_initial_condition.
10402 (same_access_functions, analyze_subscript_affine_affine,
10403 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10404 (compute_subscript_distance, analyze_ziv_subscript,
10405 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10406 analyze_miv_subscript): Convert the operands before calling
10407 chrec_fold_minus or chrec_fold_plus.
10409 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10411 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10412 the dependence_relations vector.
10413 (compute_data_dependences_for_loop): Adjust call to
10414 compute_all_dependences.
10416 2006-04-01 Roger Sayle <roger@eyesopen.com>
10417 Richard Henderson <rth@redhat.com>
10419 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10420 gimple_boolify on the condition before calling gimplify_expr.
10422 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10424 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10425 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10426 the frame size. Update to use the new macros.
10427 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10428 * config/xtensa/ieee754-df.S: Likewise.
10430 2006-03-31 Richard Henderson <rth@redhat.com>
10432 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10433 (make_edges): ... here. Control fallthru creation with a local
10434 variable. Do not play with fake edges.
10435 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10436 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10439 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10441 * dwarf2.h (DW64_CIE_ID): Define.
10442 * dwarf2out.c (DWARF_CIE_ID): Define.
10443 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10444 length header. Use DWARF_CIE_ID.
10445 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10446 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10448 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10450 * config/sh/linux-atomic.asm: New file.
10451 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10453 2006-03-31 DJ Delorie <dj@redhat.com>
10455 * config/m32c/cond.md: Set condition flags properly throughout.
10456 * config/m32c/minmax.md: Likewise.
10457 * config/m32c/prologue.md: Likewise.
10458 * config/m32c/bitops.md: Likewise.
10459 * config/m32c/muldiv.md: Likewise.
10460 * config/m32c/mov.md: Likewise.
10461 * config/m32c/addsub.md: Likewise.
10462 * config/m32c/m32c.md: Likewise.
10463 * config/m32c/jump.md: Likewise.
10464 * config/m32c/shift.md: Likewise.
10466 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10467 conditionally output the pattern for this.
10468 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10469 (m32c_compare_redundant): New.
10470 (m32c_output_compare): New.
10471 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10473 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10474 dest, not src. Allow other 4-byte modes.
10476 2006-03-30 Denis Chertykov <denisc@overta.ru>
10478 * doc/md.texi: Refer to avr/constraints.md instead of
10481 2006-03-30 Roger Sayle <roger@eyesopen.com>
10483 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10484 signed vs. unsigned comparison failures on some hosts.
10486 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10489 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10490 change to FLOAT_REGS.
10492 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10493 (rs6000_override_options): Use it.
10494 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10495 only for -mabi=spe/no-spe and -mabi=altivec.
10497 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10499 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10502 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10504 * Makefile.in: Rename docdir to gcc_docdir.
10506 2006-03-30 Roger Sayle <roger@eyesopen.com>
10509 * expr.c (emit_group_store): Optimize group stores into a pseudo
10510 register by using a paradoxical subreg to initialize the destination
10511 if the first or last member of the group specifies a "low part".
10513 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10516 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10517 * target.h (struct gcc_target.speculate_insn): Change type of the
10518 second parameter to 'int'.
10519 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10520 the second operand of the DEPS_LIST.
10521 (copy_DEPS_LIST_list): Update reference to the second operand of the
10523 * rtl.h (alloc_DEPS_LIST): Update signature.
10524 * sched-int.h (ds_t): Change typedef to 'int'.
10525 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10527 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10529 * haifa-sched.c (try_ready): Change condition to restore
10530 non-speculative pattern of the instruction.
10531 (process_insn_depend_be_in_spec): Code to keep probability of the
10532 speculative dependence non-decreasing.
10534 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10536 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10537 (single_move_for_movmem): ... this. Also change all uses.
10538 (bfin_expand_strmov): Renamed to...
10539 (bfin_expand_movmem): ... this. Also change all uses.
10540 * config/bfin/bfin.md (movstrsi): Renamed to...
10541 (movstrsi): ...this.
10543 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10545 PR tree-optimization/26830
10547 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10548 (copy_prop_visit_stmt): Remove write-only variable ann.
10549 (init_copy_prop): Check variable loop depth here. Do not simulate
10550 memory-tag and virtual operand PHIs except for store copy prop.
10552 2006-03-30 Richard Guenther <rguenther@suse.de>
10554 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10555 variants with double arguments.
10557 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10559 * genpreds.c (write_tm_constrs_h): Delete variable p.
10560 * genconditions.c (write_header): Add tm-constrs.h to included
10562 * genpeep.c (main): Add toplev.h to included headers.
10563 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10564 (build/genpeep.o): Add toplev.h dependency.
10565 * config/rs6000/constraints.md: Add "W" constraint.
10567 2006-03-29 Roger Sayle <roger@eyesopen.com>
10569 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10570 sizes by correctly testing whether the size fits a host integer.
10571 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10572 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10573 SImode range for the default sizetype and bitsizetype.
10575 2006-03-29 Roger Sayle <roger@eyesopen.com>
10577 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10578 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10579 quickly if the argument is already of the correct type.
10580 Call fold_build1 instead of build1. Tidy up blank lines.
10582 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10584 * genemit.c (main): Add tm-constrs.h to included headers.
10585 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10586 * genpeep.c (main): Add tm-constrs.h to included headers.
10587 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10588 (write_tm_constrs_h): this and write complete file.
10589 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10590 (write_insn_preds_c): Add tm-constrs.h to included headers.
10591 (gen_constrs): New variable.
10592 (parse_option): Parse "-c".
10593 (main): Invoke write_tm_constrs_h.
10594 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10595 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10596 (object_out_file): Add tm-constrs.h dependency.
10597 (insn-emit.o): Same.
10598 (insn-output.o): Same.
10599 (insn-peep.o): Same.
10600 (insn-preds.o): Same.
10601 (insn-recog.o): Same.
10602 (tm-constsr.h): New target.
10603 (s-constrs-h): New target.
10605 * config/rs6000/constraints.md: New file.
10606 * config/rs6000/rs6000.c: Include tm-constrs.h.
10607 (num_insn_constant_wide): Convert to satisfies_constraint.
10608 (rs6000_rtx_costs): Convert to satisfies_constraint.
10609 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10610 (CONST_OK_FOR_LETTER_P): Delete.
10611 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10612 (EXTRA_CONSTRAINT): Delete.
10613 (EXTRA_MEMORY_CONSTRAINT): Delete.
10614 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10615 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10616 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10617 satisfies_constraint.
10619 * config/i386/i386.c: Include tm-constrs.h.
10621 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10623 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10624 * tree-data-ref.c (find_data_references_in_loop,
10625 compute_data_dependences_for_loop): Use pointers to VEC.
10626 (analyze_all_data_dependences): Adjust calls.
10627 * tree-data-ref.h (find_data_references_in_loop,
10628 compute_data_dependences_for_loop): Adjust declarations.
10629 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10630 compute_data_dependences_for_loop.
10632 2006-03-29 Paul Brook <paul@codesourcery.com>
10634 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10635 (movdf_vfp): Ditto.
10637 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10639 PR tree-optimization/26859
10640 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10642 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10643 for the step after fold_convert.
10645 2006-03-29 Paul Brook <paul@codesourcery.com>
10647 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10648 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10650 2006-03-29 Paul Brook <paul@codesourcery.com>
10652 PR middle-end/23623
10653 * targhooks.c (default_narrow_bitfield): New fuction.
10654 * targhooks.h (default_narrow_bitfield): add prototype.
10655 * target.h (gcc_target): Add narrow_volatile_bitfield.
10656 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10657 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10658 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10659 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10661 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10663 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10665 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10666 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10667 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10668 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10669 (s390_function_arg_float): Allow SDmode and DDmode values to be
10670 passed in floating point registers.
10671 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10672 check with SCALAR_FLOAT_MODE_P.
10673 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10675 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10677 PR tree-optimization/25985
10678 * tree-ssa-loop-niter.c (number_of_iterations_le,
10679 number_of_iterations_ne): Make comments more precise.
10680 (number_of_iterations_cond): Add only_exit argument. Use the
10681 fact that signed variables do not overflow only when only_exit
10683 (loop_only_exit_p): New.
10684 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10685 number_of_iterations_cond.
10687 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10689 PR tree-optimization/26643
10690 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10693 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10695 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10696 (divsi3_i4_int): Likewise.
10698 2006-03-28 Roger Sayle <roger@eyesopen.com>
10700 * expr.c (emit_group_store): Only create a new pseudo reg if the
10701 quantity it needs to hold isn't already a suitable pseudo.
10703 2006-03-28 Jeff Law <law@redhat.com>
10705 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10706 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10708 2006-03-28 Roger Sayle <roger@eyesopen.com>
10710 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10711 the equivalent ~X & Y, and the symmetry related transformations.
10712 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10713 ~X & Y, and symmetry related transforms.
10715 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10717 Revert my 2006-03-27 patches.
10719 2006-03-28 Roger Sayle <roger@eyesopen.com>
10721 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10722 ~(T1)X, when T1 and T2 are integer types of the same precision
10723 and (T2)X isn't an extension.
10725 2006-03-28 Jeff Law <law@redhat.com>
10727 PR tree-optimization/26796
10728 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10729 need EH edge cleanups rather than purging them immediately.
10730 (eliminate_degenerate_phis): Handle queued EH cleanups.
10732 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10734 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10737 2006-03-27 Roger Sayle <roger@eyesopen.com>
10739 PR middle-end/22524
10740 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10741 cast BIT_NOT_EXPR operand to the correct type.
10743 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10745 * tree-loop-linear.c: Don't include varray.h.
10746 (gather_interchange_stats, try_interchange_loops,
10747 linear_transform_loops): Use VEC instead of VARRAY.
10748 * lambda-mat.c: Don't include varray.h.
10749 * tree-chrec.c: Same.
10750 * lambda-trans.c: Same.
10751 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10752 VEC instead of VARRAY.
10753 * tree-vectorizer.h: Idem.
10754 * tree-data-ref.c (dump_data_references,
10755 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10756 initialize_data_dependence_relation, finalize_ddr_dependent,
10757 compute_all_dependences, find_data_references_in_loop,
10758 compute_data_dependences_for_loop, analyze_all_data_dependences,
10759 free_dependence_relation, free_dependence_relations,
10760 free_data_refs): Idem.
10761 * tree-data-ref.h (data_reference_p, subscript_p): New.
10762 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10763 VEC instead of VARRAY.
10764 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10765 (find_data_references_in_loop, compute_data_dependences_for_loop,
10766 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10767 dump_data_dependence_relations, free_dependence_relations,
10768 free_data_refs): Adjust declaration.
10769 (lambda_transform_legal_p): Move declaration here...
10770 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10771 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10772 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10773 vect_analyze_data_refs): Use VEC instead of VARRAY.
10774 * lambda.h (lambda_transform_legal_p): ...from here.
10775 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10776 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10777 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10778 tree-chrec.o): Don't depend on VARRAY_H.
10780 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10782 * rtl.def (Copyright): Update date.
10783 (DEPS_LIST): Change type of the second operand to 'int'.
10784 * target.h (Copyright): Update date.
10785 (struct gcc_target.speculate_insn): Change type of the second parameter
10787 * lists.c (Copyright): Update date.
10788 (alloc_DEPS_LIST): Change signature. Update reference to the second
10789 operand of the DEPS_LIST.
10790 (copy_DEPS_LIST_list): Update reference to the second operand of the
10792 * rtl.h (Copyright): Update date.
10793 (alloc_DEPS_LIST): Update signature.
10794 * sched-int.h (Copyright): Update date.
10795 (ds_t): Change typedef to 'int'.
10796 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10798 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10800 * haifa-sched.c (Copyright): Update date.
10801 (try_ready): Change condition to restore non-speculative pattern
10802 of the instruction.
10803 (process_insn_depend_be_in_spec): Code to keep probability of the
10804 speculative dependence non-decreasing.
10806 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10808 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10809 shut up the compiler.
10811 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10813 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10814 to use lib prefix for target.
10815 ($(T)libic_invalidate_array_4-200.a): Likewise.
10816 ($(T)libic_invalidate_array_4a.a): Likewise.
10818 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10819 J"orn Rennecke <joern.rennecke@st.com>
10821 * superh.opt: New file.
10822 * sh.c (boardtype, osruntime): Remove.
10823 * superh.h (SUBTARGET_OPTIONS): Remove.
10824 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10826 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10827 arguments with ^ and/or [].
10829 * config.gcc (sh-*-*): Add quoting to account for quirk of
10831 Replace == with = in enable_incomplete_targets test.
10833 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10834 with MASK_LITTLE_ENDIAN.
10836 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10837 * config/sh/sh.opt: Added to some comments.
10838 * config/sh/superh.h: Removed some chaff.
10840 * config/sh/sh.opt: Add m4-[1234]00* options.
10841 * config/sh/sh.c (sh_handle_option): Likewise.
10842 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10843 (ic_invalidate_array_4-100.o): New rule.
10844 ($(T)libic_invalidate_array_4-100.a): Likewise.
10845 (ic_invalidate_array_4-200.o): Likewise.
10846 ($(T)libic_invalidate_array_4-200.a): Likewise.
10847 (ic_invalidate_array_4a.o): Likewise.
10848 ($(T)libic_invalidate_array_4a.a): Likewise.
10849 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10850 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10852 * config/sh/crt1.asm: Merged in profiling code.
10853 * config/sh/superh.h (STARTFILE_SPEC): Override.
10854 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10855 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10856 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10858 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10859 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10860 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10862 * sh.opt (mpretend-cmove): New option.
10863 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10864 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10865 (movsicc): Add TARGET_PRETEND_CMOVE code.
10867 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10869 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10870 s390_class_max_nregs): New function prototypes.
10871 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10872 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10873 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10874 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10876 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10878 * dwarf2out.c (add_location_or_const_value_attribute): Call
10879 tree_add_const_value_attribute if nothing else works.
10880 (reference_to_unused): New.
10881 (rtl_for_decl_init): Use reference_to_unused to decide whether
10882 to output an initializer.
10884 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10887 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10888 peephole removing spe frob_di_df_2.
10890 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10892 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10893 (subscript_dependence_tester_1): Declared.
10894 (print_dir_vectors, print_dist_vectors): New.
10895 (debug_data_dependence_relation): New.
10896 (dump_data_dependence_relation): Print more details.
10897 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10898 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10899 (save_dist_v, save_dir_v, add_outer_distances,
10900 build_classic_dist_vector_1): New.
10901 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10902 Don't test for lambda_vector_lexico_pos.
10903 (same_access_functions, add_multivariate_self_dist,
10904 add_other_self_distances, dir_from_dist): New.
10905 (build_classic_dir_vector): Replace implementation almost identical to
10906 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10908 (subscript_dependence_tester_1): New.
10909 (subscript_dependence_tester): Handle the lexicographically negative
10910 distance vectors by recomputing the dependence relation.
10911 (compute_affine_dependence): Remove parameter loop_nest_depth.
10912 (compute_self_dependence): Don't call compute_subscript_distance.
10913 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10914 Add a parameter for the loop_nest.
10915 (find_loop_nest_1, find_loop_nest): New.
10916 (compute_data_dependences_for_loop): Compute the loop nest, and give
10917 up if the nest is not well formed.
10918 * tree-data-ref.h (loop_p): New.
10919 (struct data_dependence_relation): Replace size_vect field with
10920 loop_nest, a vec of loops.
10921 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10922 (DDR_LOOP_NEST): New.
10923 (print_dir_vectors, print_dist_vectors,
10924 debug_data_dependence_relation): Declared.
10925 (index_in_loop_nest): New.
10926 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10927 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10930 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10932 * simplify-rtx.c (simplify_relational_operation): Call
10933 simplify_relational_operation_1 even if mode is VOIDmode.
10935 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10937 PR tree-optimization/26804
10938 * tree.h (DECL_CALL_CLOBBERED): New macro.
10939 (tree_decl_common): Add call_clobbered_flag.
10940 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10941 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10942 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10943 (mark_non_addressable): Ditto.
10944 * tree-ssa.c (verify_call_clobbered): New function.
10945 (verify_alias_info): Use it.
10946 * tree-pass.h (pass_reset_cc_flags): New prototype.
10947 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10948 (reset_cc_flags): New function.
10949 * passes.c (init_optimization_passes): Call reset_cc_flags after
10950 initializing referenced_vars.
10952 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10953 Roger Sayle <roger@eyesopen.com>
10955 PR middle-end/26717
10956 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10957 to 1.0 for non-real operands. Implement A / A optimization for
10960 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10962 * config/i386/i386.c (size_cost): Correct the comment for
10963 cost of storing fp registers.
10964 (i386_cost): Likewise.
10965 (i486_cost): Likewise.
10966 (pentium_cost): Likewise.
10967 (pentiumpro_cost): Likewise.
10968 (k6_cost): Likewise.
10969 (athlon_cost): Likewise.
10970 (k8_cost): Likewise.
10971 (pentium4_cost): Likewise.
10972 (nocona_cost): Likewise.
10973 (generic64_cost): Likewise.
10974 (generic32_cost): Likewise.
10976 2006-03-24 Denis Chertykov <denisc@overta.ru>
10978 * config/avr/avr-protos.h (extra_constraint): Delete.
10979 (extra_constraint_Q): New declaration.
10980 * config/avr/constraints.md: New file.
10981 * config/avr/avr.md: Include it.
10982 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10983 (TMP_REGNO, ZERO_REGNO): Likewise.
10984 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10985 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10986 (extra_constraint): Delete.
10987 (extra_constraint_Q): Test for memory constraint 'Q'.
10988 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10989 (REG_CLASS_FROM_LETTER): Delete.
10990 (CONST_OK_FOR_LETTER_P): Delete.
10991 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10992 (EXTRA_CONSTRAINT): Delete.
10993 (TMP_REGNO): Delete.
10994 (ZERO_REGNO): Delete.
10996 2006-03-24 Jeff Law <law@redhat.com>
10998 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10999 directly. Call mark_new_vars_to_rename slightly earlier.
11001 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11003 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11004 (is_cxx): Likewise.
11005 (gen_compile_unit_die): Use new language types for Objective-C and
11007 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11008 DW_LANG_C_plus_plus.
11011 * config/t-darwin (crt3.o): Work around bug 26840.
11012 * config/darwin-crt3.c: Rewrite.
11013 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11015 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11017 * doc/invoke.texi: Document -femit-class-debug-always
11018 * common.opt: Add -femit-class-debug-always.
11020 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11022 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11023 index and base register.
11024 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11025 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11026 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11027 REGNO_OK_FOR_INDEX_P.
11028 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11030 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11031 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11032 REG_OK_FOR_BASE_P): Definitions removed.
11034 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11036 PR middle-end/26611
11037 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11038 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11039 set yet or weren't marked as local yet.
11041 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11043 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11046 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11048 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11049 (rs6000_legitimate_small_data_p): Delete.
11050 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11051 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11052 and make static. Add forward declaration. Update uses.
11053 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11054 of offsettable_memref_p.
11055 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11056 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11058 2006-03-24 Jeff Law <law@redhat.com>
11060 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11061 around bug in immediate-use iterator.
11063 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11066 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11067 or __LITTLE_ENDIAN__.
11069 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11071 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11072 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11073 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11074 * config/sh/sh.opt (mdiv=): Amend description.
11075 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11076 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11077 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11078 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11079 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11080 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11081 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11082 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11083 TARGET_DIVIDE_CALL_FP.
11085 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11087 * haifa-sched.c (choose_ready): Fix type of the local variable.
11088 Move local variables. Add comment.
11089 (check_reg_live): Change signature. Make callable from debugger.
11090 * sched-int.h (check_reg_live): Update signature.
11091 * sched-ebb.c (check_reg_live): Update parameters.
11092 * sched-rgn.c (check_reg_live): Ditto.
11093 (region_head_or_leaf_p): Check pointer before dereferencing.
11094 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11095 before reload on optimization levels below 1.
11097 2006-03-23 Richard Henderson <rth@redhat.com>
11099 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11103 * config/alpha/predicates.md (local_symbolic_operand): Reject
11106 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11109 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11110 expressions which have overflowed constants.
11112 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11114 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11116 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11118 * cfgloopmanip.c (create_loop_notes): Removed.
11119 * final.c (final_scan_insn): Do not handle loop notes.
11120 * jump.c (squeeze_notes): Ditto.
11121 * cfglayout.c (skip_insns_after_block,
11122 duplicate_insn_chain): Ditto.
11123 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11125 * cfgloop.h (create_loop_notes): Declaration removed.
11127 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11129 * varasm.c (output_constant_pool): Restore fnname and fndecl
11131 (assemble_start_function): Adjust call accordingly.
11132 (assemble_end_function): Likewise.
11134 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11137 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11140 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11142 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11145 * system.h (ICE_EXIT_CODE): New macro.
11146 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11147 (diagnostic_action_after_output): Likewise.
11148 * gcc.c (fatal_ice): New function.
11149 (execute): Use it instead of fatal.
11150 (fancy_abort): Likewise.
11151 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11153 2006-03-22 Jeff Law <law@redhat.com>
11155 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11156 iv_analyze_result returning false.
11158 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11160 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11162 2006-03-22 Richard Henderson <rth@redhat.com>
11164 PR middle-end/26084
11165 * except.c (duplicate_eh_regions_0): New.
11166 (duplicate_eh_region_1): Duplicate the children of the node as
11167 well as the node itself. Link them up properly.
11168 (duplicate_eh_region_2): Merge into ...
11169 (duplicate_eh_regions): ... here. Take copy_region argument, and
11170 copy only a sub-tree if asked. Simplify copying and fixup.
11171 (eh_region_outer_p): New.
11172 * except.h (duplicate_eh_regions): Update decl.
11173 (eh_region_outer_p): Declare.
11174 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11175 (lower_omp_master): Likewise.
11176 (lower_omp_ordered): Likewise.
11177 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11178 (move_stmt_r): Use it to remap labels. Handle recursion vs
11179 remap_decls_p properly.
11180 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11181 (find_outermost_region_in_block): New.
11182 (new_label_mapper): New.
11183 (move_sese_region_to_fn): Copy eh information to the new function
11185 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11187 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11190 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11192 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11193 into shared libraries.
11195 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11197 * doc/md.texi: Refer to i386/constraints.md instead of
11198 i386/predicates.md.
11199 * config/i386/constraints.md: New file, extracted from...
11200 * config/i386/predicates.md: ...here.
11201 * config/i386/i386.md: Include constraints.md.
11203 2006-03-21 Jason Merrill <jason@redhat.com>
11205 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11207 PR middle-end/20297
11208 * expr.c (init_block_move_fn): Force default visibility.
11209 (init_block_clear_fn): Likewise.
11210 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11211 * targhooks.c (default_external_stack_protect_fail): Likewise.
11213 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11215 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11216 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11217 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11218 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11219 (loadgp): Use mips_current_loadgp_style.
11220 (loadgp_noshared): New pattern.
11221 (sibcall_internal): Use MIPS_CALL.
11222 (sibcall_value_internal): Likewise.
11223 (sibcall_value_multiple_internal): Likewise.
11224 (call_internal): Likewise.
11225 (call_value_internal): Likewise.
11226 (call_value_multiple_internal): Likewise.
11227 (call_split): Use MIPS_CALL and add an 'S' constraint.
11228 (call_value_split): Likewise.
11229 (call_value_multiple_split): Likewise.
11230 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11231 (-mshared): New option.
11232 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11233 (mips_current_loadgp_style): Declare.
11234 * config/mips/mips.c (mips_classify_symbol): Avoid using
11235 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11236 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11237 TARGET_ABSOLUTE_ABICALLS.
11238 (override_options): Adjust comments. Improve the warning that is
11239 issued when -mabicalls and -G are used together.
11240 (mips_file_start): Remove comment.
11241 (mips_current_loadgp_style): New function.
11242 (mips_gnu_local_gp): New variable.
11243 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11245 (mips_output_function_prologue): Use mips_current_laodgp_style.
11246 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11247 the cprestore instruction.
11248 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11249 live for TARGET_ABSOLUTE_ABICALLS.
11250 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11251 (ASM_SPEC): Pass down -mshared and -mno-shared.
11252 (MIPS_CALL): New macro.
11253 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11255 * doc/invoke.texi (-mabicalls): Update documentation.
11256 (-mshared): Document.
11258 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11260 * config/ia64/unwind-hpux.c: New file.
11261 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11263 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11266 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11268 2006-03-21 Jeff Law <law@redhat.com>
11270 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11271 type conversions of a VR_VARYING source to a wider type.
11273 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11275 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11276 tm_file on Solaris 10 and later.
11277 (sparc64-*-solaris2*): Likewise.
11278 (sparc-*-solaris2*): Likewise.
11279 * config/sol26.h: Rename to config/sol2-6.h.
11280 * config/sol2-10.h: New file.
11282 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11285 * tree-ssa-pre.c (create_component_ref_by_pieces):
11288 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11291 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11292 return it immediately.
11294 2006-03-21 Michael Matz <matz@suse.de>
11296 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11298 (remove_arc, add_arc): Update num_out_arcs member.
11299 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11301 (cache_presence): New function.
11302 (compare_states_for_equiv): New function.
11303 (state_is_differed): Don't take number of outargs, adjust callers.
11304 Use new invariant for speeding up.
11305 (init_equiv_class): Create initial classes based on sorted
11307 (partition_equiv_class): Don't track out_arcs_num.
11308 (evaluate_equiv_classes): Call cache_presence on all states and
11311 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11313 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11314 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11315 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11316 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11318 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11319 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11320 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11321 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11322 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11324 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11325 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11326 (REGNO_REG_CLASS): ARGP is in PREGS.
11327 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11329 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11330 to deal with those addresses.
11331 * addresses.h: New file.
11332 * caller-save.c: Include "addresses.h".
11333 (init_caller_save): Use new base_reg_class function.
11334 * rtl-factoring.c: Include "addresses.h".
11335 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11336 * recog.c: Include "addresses.h".
11337 (preprocess_constraints): Use new base_reg_class function.
11338 * regrename.c: Include "addresses.h".
11339 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11340 functions. Keep track of a new var INDEX_CODE to compute valid
11342 (replace_oldest_value_addr): Likewise.
11343 (replace_oldest_value_mem): Use base_reg_class.
11344 * reload.c: Include "addresses.h".
11345 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11346 (find_reloads): Use new base_reg_class function.
11347 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11348 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11349 all callers and prototype changed.
11350 * reload1.c: Include "addresses.h".
11351 (maybe_fix_stack_asms): Use base_reg_class.
11352 * regclass.c: Include "addresses.h".
11353 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11354 (init_reg_autoinc): Use new base_reg_class function.
11355 (record_reg_classes): Likewise.
11356 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11357 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11358 Use new args to compute necessary class.
11360 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11361 regrename.o, rtl-factoring.o): Update dependencies.
11362 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11363 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11364 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11365 REG_OK_FOR_INDEX_P): Delete documentation.
11367 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11369 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11370 from V7 to V9 for Solaris 7 and above.
11372 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11374 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11375 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11376 argument pointers may not alias any other storage.
11377 * common.opt: Define option -fargument-noalias-anything.
11378 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11379 alias semantics is specified by flag_argument_noalias > 2.
11381 2006-03-20 Jeff Law <law@redhat.com>
11383 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11384 (pass_phi_only_cprop): Declare.
11385 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11386 with phi_only_cprop
11387 * tree-ssa-dom.c (degenerate_phi_result): New function.
11388 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11389 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11390 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11391 (eliminate_degenerate_phis): Likewise.
11392 (pass_phi_only_cprop): New pass descriptor.
11393 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11394 support code. Callers updated.
11395 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11396 (store_copy_prop): Likewise.
11397 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11399 2006-03-20 Jason Merrill <jason@redhat.com>
11402 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11403 (push_visibility, pop_visibility): Likewise.
11404 * c-pragma.h: Declare them.
11406 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11408 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11410 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11411 parameter and use get_ebb_head_tail.
11412 (sh_md_init_global): Adjust uses of find_regmode_weight.
11414 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11416 * function.h (struct function) <x_tail_recursion_reentry>:
11417 Rename to x_stack_check_probe_note.
11418 (tail_recursion_reentry): Rename to stack_check_probe_note.
11419 * function.c: Replace tail_recursion_reentry with
11420 stack_check_probe_note everywhere.
11421 (expand_function_start): Only emit a note for
11422 stack_check_probe_note with -fstack-protect.
11423 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11425 * emit-rtl.c (remove_unnecessary_notes): Remove.
11426 (pass_remove_unnecessary_notes): Remove.
11427 * rtl.h (remove_unnecessary_notes): Remove prototype.
11428 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11429 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11430 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11432 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11435 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11436 (valid_in_set): Handle ARRAY_REF.
11437 Change "if min_variant or VH" to asserts.
11438 (create_component_ref_by_pieces): Handle ARRAY_REF.
11439 (create_expression_by_pieces): Likewise.
11440 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11442 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11444 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11445 is operand of switch, not str[0].
11447 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11449 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11450 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11452 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11454 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11455 end of insn_extra_address_constraint declaration.
11457 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11459 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11460 (no-sum-in-toc): Same.
11461 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11463 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11464 NO_FP_IN_TOC for -fPIC instead of mask.
11466 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11467 (BOOT_LDFLAGS): Delete.
11469 * config/rs6000/t-aix52: Same.
11471 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11472 (stmsi[345678]_power): New.
11474 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11476 * config/ia64/ia64.opt: Add empty line to end of file.
11478 2006-03-17 Richard Guenther <rguenther@suse.de>
11480 PR middle-end/26721
11481 * builtins.c (get_pointer_alignment): For component style references
11482 adjust alignment to the component type alignment. Make sure
11483 to adjust alignment for component access of constants.
11485 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11487 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11488 unconditional jump.
11490 2006-03-17 Paul Brook <paul@codesourcery.com>
11492 * doc/install.texi: Docuemnt --with-mode.
11493 * config.gcc: Add --with-mode for arm*-*-*.
11494 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11496 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11498 * sh.c (max_labelno_before_reorg): New variable.
11499 (sh_reorg): Initialize it.
11500 (find_barrier): Check max_labelno_before_reorg before using
11501 label_to_alignment. Take length of explicit alignment insns
11502 into account. When seeing a UNSPECV_CONST_END, return it.
11504 * sh.c (fixup_mova): Set mode of affected label to QImode.
11505 (untangle_mova): New function.
11506 (find_barrier): Use it. Check mode of label before decrementing
11508 (sh_reorg): Likewise.
11509 Set mode of all insns back to VOIDmode.
11511 * sh.c (MOVA_LABELREF): New macro.
11512 (mova_p, fixup_mova, sh_reorg): Use it.
11513 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11514 ADDR_DIFF_VEC matches mova.
11516 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11518 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11519 with ATTRIBUTE_UNUSED.
11521 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11523 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11524 pointer, instead of assuming it is possible to derive the
11525 correct args size from a call insn.
11527 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11529 * rtl.h (CONST_INT_P): Define.
11530 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11531 instead of GET_CODE(x) == CONST_INT.
11532 (vax_rtx_costs): Likewise.
11533 (vax_output_int_move): Likewise.
11534 (vax_output_int_add): Likewise.
11535 (legitimate_constant_address_p): Likewise.
11536 (index_term_p): Likewise.
11537 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11538 * config/vax/vax.md (and<mode>3): Likewise.
11539 (ashrsi3): Likewise.
11541 (movstricthi): Likewise.
11542 (movstrictqi): Likewise.
11543 (rotrsi3): Likewise.
11544 (five unnamed insns): Likewise.
11546 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11548 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11549 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11550 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11551 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11552 Pass to ASM_OUTPUT_DWARF_OFFSET.
11553 * dwarf2out.c (debug_frame_section): New.
11554 (output_call_frame_info): Use debug_frame_section. Pass it to
11555 dw2_asm_output_offset.
11556 (output_die): Pass appropriate section to dw2_asm_output_offset.
11557 (output_compilation_unit_header): Likewise.
11558 (output_pubnames): Likewise.
11559 (output_aranges): Likewise.
11560 (enum dw_val_class): Break dw_val_class_lbl_offset into
11561 dw_val_class_lineptr and dw_val_class_macptr.
11562 (add_AT_lbl_offset): Delete.
11563 (add_AT_lineptr): New.
11564 (add_AT_macptr): New.
11565 (AT_lbl): Expect a lineptr or macptr.
11566 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11567 (attr_checksum): Likewise.
11568 (same_dw_val_p): Likewise.
11569 (size_of_die): Likewise.
11570 (value_format): Likewise.
11571 (output_die): Likewise.
11572 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11574 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11575 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11576 * config/darwin-protos.h (darwin_file_start): New.
11577 (darwin_asm_output_dwarf_offset): New.
11578 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11579 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11581 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11582 if not EH section; simplify.
11583 (darwin_file_start): New.
11584 (darwin_asm_output_dwarf_offset): New.
11585 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11587 (DEBUG_INFO_SECTION): Likewise.
11588 (DEBUG_ABBREV_SECTION): Likewise.
11589 (DEBUG_ARANGES_SECTION): Likewise.
11590 (DEBUG_MACINFO_SECTION): Likewise.
11591 (DEBUG_LINE_SECTION): Likewise.
11592 (DEBUG_LOC_SECTION): Likewise.
11593 (DEBUG_PUBNAMES_SECTION): Likewise.
11594 (DEBUG_STR_SECTION): Likewise.
11595 (DEBUG_RANGES_SECTION): Likewise.
11596 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11597 (ASM_OUTPUT_DWARF_OFFSET): New.
11599 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11601 * config.gcc (tm_defines): Always add to previous value rather
11604 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11606 * config/mips/predicates.md (splittable_const_int_operand): New,
11607 split from move_operand.
11608 (splittable_symbolic_operand): New.
11609 (move_operand): Add commentary. Use splittable_const_int_operand.
11610 Inline mips_atomic_symbolic_constant_p.
11611 * config/mips/mips.md: Add combine splitters for handling moves
11612 of splittable_const_int_operands and splittable_symbolic_operands.
11613 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11614 (mips_split_symbol): Declare.
11615 (mips_move_integer): Declare.
11616 * config/mips/mips.c (mips_split_p): Make global.
11617 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11618 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11619 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11620 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11621 (mips_offset_within_object_p): Handle block symbols.
11622 (mips_atomic_symbolic_constant_p): Delete.
11623 (mips_cannot_force_const_mem): Return false for constants that
11624 mips_legitimize_move can handle.
11625 (mips_use_blocks_for_constant_p): New function.
11626 (mips_split_symbol): Make global.
11627 (mips_move_integer): Likewise. Add a temporary register argument.
11628 (mips_legitimize_const_move): Use splittable_const_int_operand and
11629 splittable_symbolic_operand.
11630 (mips_use_anchors_for_symbol_p): New function.
11631 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11632 (mips_split_p): Declare.
11634 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11636 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11637 (mips*-*-linux*): Likewise.
11639 2006-03-16 Roger Sayle <roger@eyesopen.com>
11640 Daniel Speyer <dspeyer@wam.umd.edu>
11642 PR middle-end/18259
11643 * tree-dump.c (dump_real): New function.
11644 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11645 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11646 (tree-dump.o): Add $(REAL_H) to the dependencies.
11648 2006-03-16 Roger Sayle <roger@eyesopen.com>
11650 PR middle-end/21781
11651 * real.c (real_from_string): If the mantissa is zero, don't bother
11652 parsing the exponent as the result should always be zero.
11654 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11656 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11658 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11660 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11661 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11662 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11663 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11664 ia64_sched_finish_global): New static functions to implement
11665 hooks from gcc_target.sched.
11666 (spec_check_no, max_uid, pending_data_specs): New static variables.
11667 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11668 ia64_spec_check_src_p): New static functions.
11669 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11670 (TARGET_SCHED_ADJUST_COST): Removed.
11671 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11672 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11673 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11674 TARGET_SCHED_GEN_CHECK,
11675 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11676 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11677 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11678 Fixed to handle speculation checks.
11679 (rtx_needs_barrier): Fixed to handle speculative loads and
11681 (ia64_variable_issue): Added code to count speculative loads and their
11683 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11685 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11687 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11689 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11690 (ia64_reorg): Reset stops_p to NULL after it is freed.
11691 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11692 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11693 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11695 (data_speculative, control_speculative, check_load): New attributes.
11696 (mov<mode>_advanced, mov<mode>_speculative,
11697 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11698 zero_extend<mode>di2_speculative,
11699 zero_extend<mode>di2_speculative_advanced): New patterns for
11700 data and control speculative loads.
11701 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11703 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11704 New pattern for data and control speculation checks.
11705 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11706 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11707 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11708 Auxiliary definitions for the patterns.
11709 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11710 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11712 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11714 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11715 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11716 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11717 New resource constraints.
11718 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11720 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11721 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11722 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11723 msched-in-control-spec, msched-ldc, msched-control-ldc,
11724 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11725 msched-prefer-non-control-spec-insns,
11726 msched-count-spec-in-critical-path): New flags to tune speculative
11728 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11729 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11730 msched-in-control-spec, msched-ldc, msched-control-ldc,
11731 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11732 msched-prefer-non-control-spec-insns,
11733 msched-count-spec-in-critical-path): Document new flags.
11735 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11737 * target.h (struct spec_info_def): New opaque declaration.
11738 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11739 speculate_insn, needs_block_p, gen_check,
11740 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11741 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11742 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11743 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11744 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11745 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11747 (TARGET_SCHED): Use new macros.
11748 * rtl.h (copy_DEPS_LIST_list): New prototype.
11749 * sched-int.h (struct sched_info): Change signature of new_ready field,
11750 adjust all initializations. New fields: add_remove_insn,
11751 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11752 region_head_or_leaf_p.
11753 (struct spec_info_def): New structure declaration.
11754 (spec_info_t): New typedef.
11755 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11756 recovery_block, orig_pat.
11757 (glat_start, glat_end): New variables declaraions.
11758 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11760 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11761 DETACH_LIFE_INFO, USE_GLAT.
11762 (enum SPEC_SCHED_FLAGS): New enumeration.
11763 (NOTE_NOTE_BB_P): New macro.
11764 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11765 attach_life_info, debug_spec_status, check_reg_live): New functions.
11766 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11767 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11769 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11770 * ddg.c (get_block_head_tail): Adjust all uses.
11771 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11772 (sms_sched_info): Initialize new fields.
11773 (contributes_to_priority): Removed.
11774 * haifa-sched.c (params.h): New include.
11775 (get_block_head_tail): Adjust all uses.
11776 (ISSUE_POINTS): New macro.
11777 (glat_start, glat_end): New global variables.
11778 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11779 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11780 old_last_basic_block, before_recovery, current_sched_info_var,
11781 rgn_n_insns, luid): New static variables.
11782 (insn_cost1): New function. Move logic from insn_cost to here.
11783 (find_insn_reg_weight1): New function. Move logic from
11784 find_insn_reg_weight to here.
11785 (reemit_notes, move_insn, max_issue): Change signature.
11786 (move_insn1): Removed.
11787 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11788 extend_bb): New static functions to support extension of scheduler's
11790 (generate_recovery_code, process_insn_depend_be_in_spec,
11791 begin_speculative_block, add_to_speculative_block,
11792 init_before_recovery, create_recovery_block, create_check_block_twin,
11793 fix_recovery_deps): New static functions to support
11794 generation of recovery code.
11795 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11796 restore_bb_notes, move_block_after_check, move_succs): New static
11797 functions to support ebb scheduling.
11798 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11799 functions to support handling of register live information.
11800 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11801 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11802 add_jump_dependencies): New static functions.
11803 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11804 consistancy checking.
11805 (debug_spec_status): New function to call from debugger.
11806 (priority): Added code to handle speculation checks.
11807 (rank_for_schedule): Added code to distinguish speculative instructions.
11808 (schedule_insn): Added code to handle speculation checks.
11809 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11810 Fixed to handle ebbs.
11811 (move_insn): Added code to handle ebb scheduling.
11812 (max_issue): Added code to use ISSUE_POINTS of instructions.
11813 (choose_ready): Added code to choose between speculative and
11814 non-speculative instructions.
11815 (schedule_block): Added code to handle ebb scheduling and scheduling of
11816 speculative instructions.
11817 (sched_init): Initialize new variables.
11818 (sched_finish): Free new variables. Print statistics.
11819 (try_ready): Added code to handle speculative instructions.
11820 * lists.c (copy_DEPS_LIST_list): New function.
11821 * sched-deps.c (extend_dependency_caches): New function. Move logic
11822 from create_dependency_caches to here.
11823 (get_dep_weak, ds_merge): Make global.
11824 * genattr.c (main): Code to output prototype for
11825 dfa_clear_single_insn_cache.
11826 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11827 (output_dfa_clean_insn_cache_func): Code to output
11828 dfa_clear_single_insn_cache function.
11829 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11831 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11833 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11834 New static variables.
11835 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11836 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11838 (ebb_sched_info): Initialize new fields.
11839 (get_block_head_tail): Adjust all uses.
11840 (compute_jump_reg_dependencies): Fixed to use glat_start.
11841 (schedule_ebb): Code to remove unreachable last block.
11842 (schedule_ebbs): Added code to update register live information.
11843 * sched-rgn.c (region_sched_info): Initialize new fields.
11844 (get_block_head_tail): Adjust all uses.
11845 (last_was_jump): Removed. Adjust users.
11846 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11847 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11848 Implement new hooks.
11849 (check_dead_notes1): New static function.
11850 (struct region): New fields: dont_calc_deps, has_real_ebb.
11851 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11852 (BB_TO_BLOCK): Fixed to handle EBBs.
11853 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11854 (ebb_head): New static variable.
11855 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11856 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11858 (compute_dom_prob_ps): New assertion.
11859 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11860 global_live_at_start.
11861 (init_ready_list): New assertions.
11862 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11863 (new_ready): Add support for BEGIN_CONTROL speculation.
11864 (schedule_insns): Fixed code that updates register live information
11866 (schedule_region): Fixed to handle EBBs.
11867 (init_regions): Use extend_regions and check_dead_notes1.
11868 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11869 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11870 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11871 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11872 TARGET_SCHED_GEN_CHECK,
11873 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11874 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11875 * doc/invoke.texi (max-sched-insn-conflict-delay,
11876 sched-spec-prob-cutoff): Document.
11878 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11880 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11881 inter_tick, queue_index.
11882 (struct sched_info): Change signature of init_ready_list field.
11883 Adjust all initializations.
11884 (RESOLVED_DEPS): New access macro.
11885 (ready_add): Remove prototype.
11886 (try_ready): Add prototype.
11887 * sched-rgn.c (init_ready_list): Use try_ready.
11888 (schedule_region): Initialize
11889 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11890 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11891 (init_ready_list): Use try_ready.
11892 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11893 * lists.c (remove_list_elem): Remove `static'.
11894 (remove_free_INSN_LIST_elem): New function.
11895 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11896 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11897 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11899 (readyp): New variable.
11900 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11901 change_queue_index, resolve_dep): New static functions.
11902 (try_ready): New function. Adjust callers in sched-rgn.c and
11903 sched-ebb.c to use it instead of ready_add.
11904 (clock_var): Move at the begining of file.
11905 (rank_for_schedule): Fix typo.
11906 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11907 (ready_lastpos): Enforce assertion.
11908 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11909 update all callers.
11910 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11911 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11912 (queue_to_ready): Use free_INSN_LIST_list.
11913 (early_queue_to_ready): Fix typo.
11914 (schedule_block): Init readyp. Move init_ready_list call after the
11915 initialization of clock_var. Fix error in rejecting insn by
11916 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11917 that previously corrected INSN_TICKs. Add code for handling
11919 (set_priorities): Fix typo.
11920 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11921 Clarify comment and code that keeps current_sched_info->next_tail
11924 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11926 * sched-rgn.c (extend_rgns): New static function.
11927 (find_rgns): Use it.
11928 (gather_region_statistics, print_region_statistics): New static
11930 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11931 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11933 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11934 Andrey Belevantsev <abel@ispras.ru>
11936 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11937 * lists.c (unused_deps_list): New variable.
11938 (free_list): Add assertions to verify the proper distinguishing
11939 between INSN_LISTs and DEPS_LISTs.
11940 (find_list_elem, remove_list_elem, remove_list_node): New static
11942 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11943 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11944 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11945 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11947 (free_INSN_LIST_node): Likewise.
11948 * modulo-sched.c (current_sched_info): Initialize flags field.
11949 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11950 * rtl.def (DEPS_LIST): Define.
11951 * rtl.h: Declare new functions from lists.c.
11952 * sched-deps.c (spec_dependency_cache): New static variable.
11953 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11954 (add_dependence): Change return type to void. Move the logic to ...
11955 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11956 (delete_all_dependences): Add comment about forward_dependency_cache.
11957 Handle spec_dependency_cache. Handle DEPS_LISTs.
11958 (fixup_sched_groups): Clarify the change of priority of output
11959 and anti dependencies.
11960 (sched_analyze_2): Adjust add_dependence calls to create data
11961 speculative dependence.
11962 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11963 Adjust all callers. Handle DEPS_LISTS.
11964 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11965 presence of speculation.
11966 (init_dependency_caches, free_dependency_caches):
11967 Handle spec_dependency_cache.
11968 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11969 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11970 New static functions.
11971 (add_or_update_back_dep, add_or_update_back_forw_dep,
11972 add_back_forw_dep, delete_back_forw_dep): New functions.
11973 * sched-int.h (ds_t, dw_t): New typedefs.
11974 (struct sched_info): Add new field flags.
11975 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11976 Prototype new sched-deps.c functions.
11977 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11978 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11979 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11980 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11981 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11982 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11984 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11986 * sched-rgn.c (current_sched_info): Initialize flags field.
11987 (schedule_insns): Initialize current_sched_info before the sched_init
11989 * sched-ebb.c (current_sched_info): Initialize flags field.
11990 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11991 Call add_or_update_back_dep instead of add_dependence.
11992 Create control speculative dependencies.
11993 (schedule_insns): Initialize current_sched_info before the sched_init
11996 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11998 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12000 (sh_fallback_frame_state): Likewise.
12002 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12004 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12005 Do switch on default_use_cxa_atexit.
12006 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12007 * config/darwin-crt3.o: New.
12008 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12009 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12010 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12012 * config/rs6000/t-darwin: Move crt2.o building to here.
12013 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12014 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12017 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12019 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12020 from '! xxx' to '!xxx' for coding-style conformance.
12021 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12022 (EXTRA_CONSTRAINT): Likewise.
12023 * config/vax/vax.md (four unnamed insns): Likewise.
12025 2006-03-15 Paul Brook <paul@codesourcery.com>
12027 * config/arm/arm.c (minipool_pad): New.
12028 (add_minipool_forward_ref): Include pool alignment padding in address
12030 (push_minipool_fix): Set minipool_pad.
12031 (minipool_pad): Ditto.
12033 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12035 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12036 instead of GET_CODE() == MEM and REG_P() instead of
12038 (print_operand_address): Likewise.
12039 (vax_address_cost): Likewise.
12040 (vax_rtx_costs): Likewise.
12041 (vax_notice_update_cc): Likewise.
12042 (vax_output_int_add): Likewise.
12043 (INDEX_REGISTER_P): Likewise.
12044 (BASE_REGISTER_P): Likewise.
12045 (nonindexed_address_p): Likewise.
12046 (vax_mode_dependent_address_p): Likewise.
12047 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12048 (PRINT_OPERAND): Likewise.
12049 * config/vax/vax.md (ashlsi3): Likewise.
12050 (ashlsi3): Likewise.
12051 (some more unnamed insns): Likewise.
12053 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12055 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12056 iterator-style macro.
12057 (mark_control_dependent_edges_necessary): Update the use of
12058 EXECUTE_IF_CONTROL_DEPENDENT.
12060 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12062 * config/sh/predicates.md (cache_address_operand): Special.
12063 (ua_address_operand): Likewise.
12065 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12067 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12069 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12071 2006-03-15 Andreas Schwab <schwab@suse.de>
12073 * gensupport.c (identify_predicable_attribute): Don't free p_false
12074 when it is still in use.
12076 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12078 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12079 the default setting here.
12081 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12083 * tree-pass.h (pass_cfg): Remove.
12084 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12085 * passes.c (pass_cfg): Don't run it.
12087 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12089 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12090 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12092 (stack_regs_mentioned): Update the uses of
12093 stack_regs_mentioned_data. Don't access the array beyond its
12095 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12096 Don't include gt-reg-stack.h.
12098 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12099 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12101 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12103 PR middle-end/26684
12104 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12107 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12109 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12111 2006-03-14 Richard Guenther <rguenther@suse.de>
12113 PR tree-optimization/26672
12114 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12117 2006-03-14 Richard Guenther <rguenther@suse.de>
12119 PR tree-optimization/26667
12120 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12121 node for the callees. Always allow inlining if it will shrink
12124 2006-03-14 Richard Guenther <rguenther@suse.de>
12126 PR middle-end/26659
12127 * builtins.c (get_pointer_alignment): Prefer alignment
12128 information from decls over that from types.
12130 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12133 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12135 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12137 * config/rs6000/rs6000.opt (mdlmzb): New option.
12138 (msched-prolog, msched-epilog): Use Var not Mask.
12139 * doc/invoke.texi (-mdlmzb): Document.
12140 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12142 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12143 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12145 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12147 PR rtl-optimization/25739
12148 * bt-load.c (augment_live_range): Free tos pointer.
12150 * gensupport.c (identify_predicable_attribute): Free
12152 * gcov.c (create_file_names): Free name pointer.
12154 2006-03-13 Roger Sayle <roger@eyesopen.com>
12156 PR middle-end/26557
12157 * stmt.c (emit_case_nodes): Handle the case where the index is a
12158 CONST_INT, where the comparison mode is specified by the index type.
12160 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12162 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12165 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12167 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12168 (*branch_fp_inverted): Likewise.
12170 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12172 PR middle-end/25989
12173 * omp-low.c (expand_omp_for_generic): Mark istart0
12174 and iend0 as addressable.
12176 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12178 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12180 2006-03-13 Jeff Law <law@redhat.com>
12182 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12183 virtual operands are interesting.
12184 (vrp_visit_stmt): Corresponding changes.
12186 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12188 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12190 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12191 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12192 * config/bfin/crti.S: Use it instead of __PIC__.
12193 * config/bfin/crtn.S: Likewise.
12195 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12196 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12198 Lose 'G' modifier for call operand.
12199 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12200 recognize 'G' modifier.
12202 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12204 PR middle-end/18859
12205 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12206 * stmt.c (expand_case): Likewise.
12208 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12210 PR rtl-optimization/26254
12211 * loop-invariant.c (seq_insns_valid_p): New function.
12212 (move_invariant_reg): Only emit new code if it is valid.
12214 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12216 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12218 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12219 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12220 (commit_one_edge_insertion): Do not look for loop notes.
12222 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12224 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12225 flag_test_coverage out of loop.
12227 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12229 * final.c (shorten_branches): Remove outdated comment, and turn
12230 the if branch that guards it to continue.
12232 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12234 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12235 * cfgloop.h (struct loop): Remove unused fields.
12237 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12239 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12240 (-dL, -fdump-rtl-loop2): Update the dump file names
12242 * doc/invoke.texi: Update dump file names.
12244 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12246 * predict.c (estimate_probability): Remove.
12247 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12248 * basic-block.h (estimate_probability): Remove prototype.
12249 * passes.c (finish_optimization_passes): Dump branch prediction or
12250 profiling heuristics to the .profile tree dump.
12251 (init_optimization_passes): Unqueue pass_branch_prob.
12253 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12255 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12257 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12258 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12260 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12262 * function.h (frame_offset_overflow): Declare.
12263 * function.c (frame_offset_overflow): New function.
12264 (assign_stack_local_1): Call it to detect that the offset overflows.
12265 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12267 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12269 * config/sh/sh.c: Include alloc-pool.h.
12270 (label_ref_list_pool): New alloc pool.
12271 (label_ref_list_t): New type for lists of labels.
12272 (struct pool_node): Make wend a label_ref_list_t.
12273 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12275 (dump_table): Likewise.
12276 (sh_reorg): Set up the alloc pool before using add_constant and
12277 dump_table, and destroy it when finishing.
12279 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12281 * config/mips/mips.c: Remove redundant comment.
12283 2006-03-10 Jason Merrill <jason@redhat.com>
12286 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12287 the target was declared 'register'.
12289 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12291 * genpreds.c (write_insn_constraint_len): Change definition of
12292 insn_constraint_len to return size_t to match the declaration.
12294 2006-03-10 DJ Delorie <dj@redhat.com>
12296 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12298 (m32c_expand_insv): Fix test for an AND mask.
12300 2006-03-10 Richard Guenther <rguenther@suse.de>
12302 PR middle-end/26565
12303 * builtins.c (get_pointer_alignment): Handle component
12304 references for field alignment.
12306 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12308 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12309 when building with libgloss.
12310 (sh*elf): Implement --without-fp option.
12311 (sh64-superh-linux*): Don't multilib.
12313 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12315 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12317 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12319 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12320 Set it when one of the replacement functions returned true.
12321 Return TODO_cleanup_cfg if cfgchanged is true.
12322 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12324 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12326 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12327 instead of gen_lowpart.
12329 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12331 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12333 (mips_output_order_conditional_branch): Declare.
12334 * config/mips/mips.h (MIPS_BRANCH): New macro.
12335 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12336 for the comparison. Use gen_condjump.
12337 (mips_output_conditional_branch): Rework interface to take the
12338 asm templates for a direct branch and the inverse of a direct branch.
12339 (mips_output_order_conditional_branch): New function.
12340 (mips_builtin_branch_and_move): New function.
12341 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12342 branch condition. Use gen_single_cc as the condition for
12343 __builtin_mips_upper_* or __builtin_mips_lower_*.
12344 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12345 Use VOIDmode for the branch condition.
12346 * config/mips/predicates.md (order_operator): New predicate.
12347 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12348 (branch_fp): Rename to...
12349 (*branch_fp): ...this. Remove mode from comparison operator.
12350 Use new mips_output_conditional_branch interface.
12351 (branch_fp_inverted): Rename to...
12352 (*branch_fp_inverted): ...this and update as for *branch_fp.
12353 (*branch_zero<mode>): Rename to...
12354 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12355 Use mips_output_order_conditional_branch. Only accept ordered
12357 (*branch_zero<mode>_inverted): Rename to...
12358 (*branch_order<mode>_inverted): ...this and update as for
12359 *branch_order<mode>.
12360 (*branch_equality<mode>): Accept zero as the second operand to
12361 the equality operator. Use the new mips_output_conditional_branch
12363 (*branch_equality<mode>_inverted): Likewise.
12364 (condjump): New expander.
12365 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12367 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12368 (bc1any2t, bc1any2f): Likewise.
12369 (single_cc): New expander.
12370 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12372 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12374 * doc/md.texi: Update documentation of MIPS constraints.
12375 * config/mips/constraints.md: New file.
12376 * config/mips/mips.md: Include it.
12377 * config/mips/mips.c (mips_char_to_class): Delete.
12378 (override_options): Don't initialize mips_char_to_class.
12379 * config/mips/mips.h (mips_char_to_class): Delete.
12380 (REG_CLASS_FROM_LETTER): Delete.
12381 (CONST_OK_FOR_LETTER_P): Delete.
12382 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12383 (EXTRA_CONSTRAINT_Y): Delete.
12384 (EXTRA_CONSTRAINT_STR): Delete.
12385 (CONSTRAINT_LEN): Delete.
12386 (EXTRA_MEMORY_CONSTRAINT): Delete.
12388 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12390 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12391 original fn's eh regions.
12393 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12395 * fold-const.c (build_range_check): Make sure to use a valid type to
12396 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12399 (range_predecessor): New static function.
12400 (range_successor): Likewise.
12401 (merge_ranges): Use them to compute predecessors and successors of
12404 2006-03-09 Roger Sayle <roger@eyesopen.com>
12406 PR middle-end/26561
12407 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12408 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12410 2006-03-08 DJ Delorie <dj@redhat.com>
12412 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12413 (addpsi3): Expand to include memory operands. Remove
12414 reload-specific splits.
12415 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12416 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12417 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12418 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12419 (shift1_qi, shift1_hi, insv): New.
12420 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12421 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12422 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12424 * config/m32c/m32c-protos.h: Update as needed.
12425 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12426 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12427 Fail for unrecognized R* constraints.
12428 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12429 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12430 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12432 (m32c_init_libfuncs): New.
12433 (m32c_legitimate_address_p): Add debug wrapper.
12434 (m32c_rtx_costs): New.
12435 (m32c_address_cost): New.
12436 (conversions): Add 'B' prefix.
12437 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12438 operands, or word regnames for QI operands. 'B' prints bit
12440 (m32c_expand_setmemhi): New.
12441 (m32c_expand_movmemhi): New.
12442 (m32c_expand_movstr): New.
12443 (m32c_expand_cmpstr): New.
12444 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12445 (m32c_expand_neg_mulpsi3): Handle non-ints.
12446 (m32c_cmp_flg_0): New.
12447 (m32c_expand_movcc): New.
12448 (m32c_expand_insv): New.
12449 (m32c_scc_pattern): New.
12450 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12451 a0/a1 out of SIregs.
12452 (STORE_FLAG_VALUE): New.
12453 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12456 * config/m32c/mov.md: Make constraints more liberal.
12457 (zero_extendqihi2): Optimize r0/r1 case.
12458 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12459 * config/m32c/predicates.md (m32c_any_operand): New.
12460 (m32c_nonimmediate_operand): New.
12461 (m32c_hl_operand): New.
12462 (m32c_r3_operand): New.
12465 (memsym_operand): New.
12466 (memimmed_operand): New.
12467 (a_qi_operand): New.
12468 (m32c_eqne_operator): New.
12469 (m32c_1bit8_operand): New.
12470 (m32c_1bit16_operand): New.
12471 (m32c_1mask8_operand): New.
12472 (m32c_1mask16_operand): New.
12473 * config/m32c/blkmov.md: New file.
12474 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12476 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12478 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12479 unsigned to fix signed/unsigned comparison issue in
12480 DWARF2_FRAME_REG_OUT.
12481 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12482 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12484 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12485 of ptr into the ENABLE_CHECKING section.
12487 2006-03-08 Jeff Law <law@redhat.com>
12489 * tree-vrp.c (infer_value_range): Only count pointer uses
12490 and dereferences if -fdelete-null-pointer-checks is enabled.
12492 * tree-vrp.c (find_assert_locations): Infer value ranges for
12493 single use pointers, but do not create ASSERT_EXPRs for them.
12494 When a non-null range is inferred for a pointer, backwards
12495 propagate that range to other equivalent pointers through the
12498 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12501 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12502 language hook targets.
12503 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12504 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12505 if language hook targets were missing.
12507 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12509 * tree-ssa-opfinalize.h: Removed.
12510 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12512 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12513 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12514 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12515 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12516 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12517 finalize_ssa_v_must_def_ops): New.
12519 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12521 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12522 block as parameter.
12524 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12526 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12528 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12529 addresses with offsets; reorganize.
12531 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12532 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12533 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12535 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12538 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12540 2006-03-08 Ben Elliston <bje@au.ibm.com>
12542 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12544 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12547 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12550 2006-03-07 Richard Guenther <rguenther@suse.de>
12552 PR tree-optimization/26587
12553 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12555 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12557 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12559 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12561 * hooks.c (hook_bool_mode_rtx_true): New function.
12562 * hooks.h (hook_bool_mode_rtx_true): Declare.
12563 * toplev.c (compile_file): Call output_shared_constant_pool.
12564 * varasm.c (shared_constant_pool): New variable.
12565 (assemble_start_function, assemble_end_function): Remove arguments
12566 from call to output_constant_pool.
12567 (create_constant_pool): New function, split out from...
12568 (init_varasm_status): ...here.
12569 (force_const_mem): Choose between the shared and per-function constant
12570 pools. Set current_function_uses_const_pool when reusing old entries
12571 as well as when creating new ones.
12572 (mark_constant): Ignore data argument.
12573 (mark_constants): Remove pool argument.
12574 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12575 to decide whether the function uses a constant pool.
12576 (output_constant_pool_contents): New function, split out from...
12577 (output_constant_pool): ...here.
12578 (output_shared_constant_pool): New function.
12579 (init_varasm_once): Initialize shared_constant_pool.
12580 * output.h (output_constant_pool): Delete.
12581 (output_shared_constant_pool): Declare.
12582 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12583 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12585 2006-03-06 Nick Clifton <nickc@redhat.com>
12587 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12588 flag_strength_reduce.
12590 2006-03-06 Ben Elliston <bje@au.ibm.com>
12592 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12593 x86_64-*-linux* configurations.
12595 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12596 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12598 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12600 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12602 * basic-block.h: Remove the extern for
12603 rediscover_loops_after_threading.
12605 * cfgloop.c (cancel_loop): Make it static.
12606 * cfgloop.h: Remove the prototype for cancel_loop.
12608 * flow.c (recompute_reg_usage): Make it static.
12609 * rtl.h: Remove the prototype for recompute_reg_usage.
12611 * function.c (use_return_register): Make it static.
12612 * function.h: Remove the prototype.
12614 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12616 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12618 * recog.h: Remove the prototype for
12619 validate_change_maybe_volatile.
12621 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12623 * rtlanal.c (replace_reg): Remove.
12624 * rtl.h: Remove the prototype for replace_reg.
12626 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12628 * regclass.c (reg_scan_update): Remove.
12629 (reg_scan_mark_refs): Remove the last argument.
12630 * rtl.h: Remove the prototype for reg_scan_update.
12632 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12634 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12635 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12636 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12637 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12638 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12639 loop-invariant.c, omp-low.c, opts.c, passes.c,
12640 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12641 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12642 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12643 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12644 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12645 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12647 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12649 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12650 * dwarf2out.h: Remove the prototype for
12651 dwarf2out_add_library_unit_info.
12653 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12655 * tree.c (add_var_to_bind_expr): Remove.
12656 * tree.h: Remove the prototype for add_var_to_bind_expr.
12658 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12660 * regclass.c (n_non_fixed_regs): Remove.
12661 (init_reg_sets_1, globalize_reg): Remove all uses of
12663 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12665 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12667 * rtlanal.c (insns_safe_to_move_p): Remove.
12668 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12670 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12672 * expmed.c (expand_mult_add): Remove.
12673 * expr.h: Remove the prototype for expand_mult_add.
12675 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12677 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12678 and REG_SAVED_VAL_EXP constants.
12679 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12680 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12681 Handle regs stored by value.
12682 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12683 (execute_cfa_program): Handle DW_CFA_val_offset,
12684 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12685 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12686 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12687 (uw_install_context_1): Handle target regs stored by value.
12689 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12691 * tree-sra.c (tree_sra): Return todoflags;
12692 (generate_one_element): Set TODO_update_smt_usage if needed.
12693 (pass_sra): Remove TODO_update_smt_usage.
12694 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12696 (tree_ssa_forward_propagate_single_use_vars): Return
12697 TODO_update_smt_usage if we need to update SMT usage.
12698 (pass_forwprop): Remove TODO_update_smt_usage.
12700 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12702 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12703 (correct_use_link): Remove reference to get_stmt_operands.
12704 (update_stmt_operands): Likewise.
12705 (get_modify_expr_operands): New function factored out of
12706 parse_ssa_operands and get_expr_operands.
12707 Try to create V_MUST_DEFs for LHS by default.
12708 (get_expr_operands) <case MODIFY_EXPR>: Call
12709 get_modify_expr_operands.
12710 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12711 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12712 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12713 get_modify_expr_operands.
12715 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12717 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12718 * tree-flow.h: Remove the prototype for
12719 referenced_var_lookup_if_exists.
12721 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12723 PR rtl-optimization/26345
12725 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12727 2006-03-03 Roger Sayle <roger@eyesopen.com>
12729 PR tree-optimization/26524
12730 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12731 fold_convert to create a constant of the appropriate type.
12733 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12735 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12736 SYMBOL_REF_IN_BLOCK_P.
12737 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12738 of SYMBOL_FLAG_IN_BLOCK.
12739 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12740 instead of SYMBOL_REF_IN_BLOCK_P.
12741 * explow.c (use_anchored_address): Likewise.
12742 * rtl.c (rtx_size): Likewise.
12743 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12744 instead of SYMBOL_FLAG_IN_BLOCK.
12745 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12746 SYMBOL_REF_IN_BLOCK_P.
12747 (assemble_variable): Likewise.
12748 (output_constant_def_contents): Likewise.
12749 (output_constant_pool): Likewise.
12750 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12751 instead of SYMBOL_FLAG_IN_BLOCK.
12752 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12753 SYMBOL_REF_IN_BLOCK_P.
12754 (SYMBOL_REF_BLOCK): Likewise.
12755 (SYMBOL_REF_OFFSET): Likewise.
12756 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12757 SYMBOL_REF_IN_BLOCK_P.
12758 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12759 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12760 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12761 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12763 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12765 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12767 2006-03-02 Roger Sayle <roger@eyesopen.com>
12769 * simplify-rtx.c (simplify_unary_operation): When simplifying
12770 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12771 that we perform the right shift in the appropriate mode, and
12772 then extend or truncate the result to requested mode.
12774 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12776 * gengtype.c (main): Handle double_int type.
12777 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12778 * double-int.c: New file.
12779 * double-int.h: New file.
12780 * system.h: Include doubleint.h.
12781 * Makefile.in (SYSTEM_H): Include double-int.h.
12782 (double-int.o): Add.
12784 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12787 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12790 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12792 * tree-vrp.c (remove_range_assertions): Do not update statements
12795 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12797 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12799 * gcse.c (rest_of_handle_gcse): Ditto.
12800 * except.c (gate_handle_eh): Ditto.
12801 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12802 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12804 2006-03-02 Eric Christopher <echristo@apple.com>
12806 * config/i386/i386.c (machopic_output_stub): Add indirection to
12809 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12813 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12815 Sun Niagara specific optimizations.
12816 * config.gcc: Recognize niagara as target.
12817 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12818 (TARGET_CPU_niagara): Define.
12819 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12820 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12821 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12822 (ASM_CPU_SPEC): Likewise.
12823 (PROCESSOR_NIAGARA): New enum entry.
12824 (REGISTER_MOVE_COST): Handle Niagara.
12825 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12826 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12827 (sparc_override_options): Recognize "niagara", set appropriate
12828 default MASK_* values for it, and align functions to 32-bytes
12829 by default just like ULTRASPARC/ULTRASPARC3.
12830 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12831 (sparc64_initialize_trampoline): Likewise.
12832 (sparc_use_sched_lookahead): Use zero for niagara.
12833 (sparc_issue_rate): Use one for niagara.
12834 * config/sparc/niagara.md: New file.
12835 * config/sparc/sparc.md: Include it.
12836 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12837 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12838 when default cpu is niagara.
12839 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12840 (ASM_CPU_SPEC): Likewise.
12841 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12842 when default cpu is niagara.
12843 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12844 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12845 just like v9/ultrasparc/ultrasparc3.
12846 * doc/invoke.texi: Add documentation for "niagara" and improve
12847 existing documentation for ultrasparc variants.
12849 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12851 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12853 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12855 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12856 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12857 and say that only one is needed.
12858 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12859 * target.h (have_switchable_bss_sections): New hook.
12860 * explow.c (use_anchored_address): Check that the symbol is in a block.
12861 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12862 (bss_noswitch_section): New variables.
12863 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12864 (get_noswitch_section): New function.
12865 (get_block_for_section): Allow SECT to be null.
12866 (unlikely_text_section_p): Use SECTION_STYLE.
12867 (bss_initializer_p): New function.
12868 (get_variable_section): Move earlier in file. Take a new argument,
12869 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12870 Return one of the new *_sections in such cases.
12871 (get_block_for_decl): New function, extracting some logic from
12872 use_blocks_for_decl_p.
12873 (change_symbol_section): Remove in favor of...
12874 (change_symbol_block): ...this new function.
12875 (use_blocks_for_decl_p): Remove checks now performed by
12876 get_block_for_decl.
12877 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12878 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12879 (emit_local, emit_bss, emit_common): ...these new functions.
12880 Return true if the alignment was honored.
12881 (emit_tls_common): New function.
12882 (asm_emit_uninitialised): Delete.
12883 (assemble_variable_noswitch): New function, split out from...
12884 (assemble_variable): ...here. Don't make decisions about common
12885 variables here. Globalize all public decls that go into non-common
12886 sections. Check whether SYMBOL_REF_BLOCK is null.
12887 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12888 (output_constant_pool): Likewise.
12889 (init_varasm_once): Initialize the new section variables.
12890 (have_global_bss_p): New function.
12891 (categorize_decl_for_section): Use bss_initializer_p.
12892 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12893 (place_block_symbol): Assert that the symbol must be in a block.
12894 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12895 (TARGET_INITIALIZER): Include it.
12896 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12897 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12898 (SECTION_MACH_DEP): Bump by two.
12899 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12900 (unnamed_section): Mention SECTION_UNNAMED in comment.
12901 (named_section): Likewise SECTION_NAMED.
12902 (noswitch_section_callback): New type.
12903 (noswitch_section): New structure.
12904 (section): Add a noswitch_section alternative.
12905 (SECTION_STYLE): New macro.
12906 (tls_comm_section, comm_section, lcomm_section): Declare.
12907 (bss_noswitch_section, have_global_bss_p): Declare.
12908 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12909 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12911 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12912 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12915 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12917 * tree-vrp.c (execute_vrp): Return value.
12918 * regrename.c (rest_of_handle_regrename): Ditto.
12919 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12920 * tree-complex.c (tree_lower_complex): Ditto.
12921 (tree_lower_complex_O0): Ditto.
12922 * tracer.c (rest_of_handle_tracer): Ditto.
12923 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12924 * postreload.c (rest_of_handle_postreload): Ditto.
12925 * tree-tailcall.c (execute_tail_recursion): Ditto.
12926 (execute_tail_calls): Ditto.
12927 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12928 * tree.h (init_function_for_compilation): Ditto.
12929 * ipa-cp.c (ipcp_driver): Ditto.
12930 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12931 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12932 * final.c (compute_alignments): Ditto.
12933 (rest_of_handle_final): Ditto.
12934 (rest_of_handle_shorten_branches): Ditto.
12935 (rest_of_clean_state): Ditto.
12936 * omp-low.c (execute_expand_omp): Ditto.
12937 (execute_lower_omp): Ditto.
12938 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12939 * ipa-reference.c (static_execute): Ditto.
12940 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12941 * reorg.c (rest_of_handle_delay_slots): Ditto.
12942 (rest_of_handle_machine_reorg): Ditto.
12943 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12944 * flow.c (recompute_reg_usage): Ditto.
12945 (rest_of_handle_remove_death_notes): Ditto.
12946 (rest_of_handle_life): Ditto.
12947 (rest_of_handle_flow2): Ditto.
12948 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12949 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12950 (do_ssa_store_ccp): Ditto.
12951 (execute_fold_all_builtins): Ditto.
12952 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12953 * modulo-sched.c (rest_of_handle_sms): Ditto.
12954 * ipa-pure-const.c (static_execute): Ditto.
12955 * cse.c (rest_of_handle_cse): Ditto.
12956 (rest_of_handle_cse2): Ditto.
12957 * web.c (rest_of_handle_web): Ditto.
12958 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12959 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12960 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12961 * tree-nrv.c (tree_nrv): Ditto.
12962 (execute_return_slot_opt): Ditto.
12963 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12964 (create_structure_vars): Ditto.
12965 * loop-init.c (rtl_loop_init): Ditto.
12966 (rtl_loop_done): Ditto.
12967 (rtl_move_loop_invariants): Ditto.
12968 (rtl_unswitch): Ditto.
12969 (rtl_unroll_and_peel_loops): Ditto.
12970 (rtl_doloop): Ditto.
12971 * gimple-low.c (lower_function_body): Ditto.
12972 (mark_used_blocks): Ditto.
12973 * tree-ssa-sink.c (execute_sink_code): Ditto.
12974 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12975 (cgraph_early_inlining): Ditto.
12976 * global.c (rest_of_handle_global_alloc): Ditto.
12977 * jump.c (cleanup_barriers): Ditto.
12978 (purge_line_number_notes): Ditto.
12979 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12980 (rest_of_handle_if_after_reload): Ditto.
12981 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12982 (tree_ssa_loop_im): Ditto.
12983 (tree_ssa_loop_unswitch): Ditto.
12984 (tree_vectorize): Ditto.
12985 (tree_linear_transform): Ditto.
12986 (tree_ssa_loop_ivcanon): Ditto.
12987 (tree_ssa_empty_loop): Ditto.
12988 (tree_ssa_loop_bounds): Ditto.
12989 (tree_complete_unroll): Ditto.
12990 (tree_ssa_loop_prefetch): Ditto.
12991 (tree_ssa_loop_ivopts): Ditto.
12992 (tree_ssa_loop_done): Ditto.
12993 * predict.c (tree_estimate_probability): Ditto.
12994 * recog.c (split_all_insns_noflow): Ditto.
12995 (rest_of_handle_peephole2): Ditto.
12996 (rest_of_handle_split_all_insns): Ditto.
12997 * tree-eh.c (lower_eh_constructs): Ditto.
12998 * regmove.c (rest_of_handle_regmove): Ditto.
12999 (rest_of_handle_stack_adjustments): Ditto.
13000 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13001 * function.c (instantiate_virtual_regs): Ditto.
13002 (init_function_for_compilation): Ditto.
13003 (rest_of_handle_check_leaf_regs): Ditto.
13004 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13005 (rest_of_handle_gcse): Ditto.
13006 * ipa-type-escape.c (type_escape_execute): Ditto.
13007 * alias.c (rest_of_handle_cfg): Ditto.
13008 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13009 * profile.c (rest_of_handle_branch_prob): Ditto.
13010 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13011 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13012 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13013 * tree-dfa.c (find_referenced_vars): Ditto.
13014 * except.c (set_nothrow_function_flags): Ditto.
13015 (convert_to_eh_region_ranges): Ditto.
13016 (rest_of_handle_eh): Ditto.
13017 * emit-rtl.c (unshare_all_rtl): Ditto.
13018 (remove_unnecessary_notes): Ditto.
13019 * except.h (set_nothrow_function_flags): Ditto.
13020 (convert_to_eh_region_ranges): Ditto.
13021 * cfgexpand.c (tree_expand_cfg): Ditto.
13022 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13023 * tree-ssa-pre.c (do_pre): Ditto.
13024 (execute_fre): Ditto.
13025 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13026 (rest_of_handle_jump2): Ditto.
13027 * tree-sra.c (tree_sra): Ditto.
13028 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13029 (execute_mudflap_function_decls): Ditto.
13030 * tree-ssa-copy.c (do_copy_prop): Ditto.
13031 (do_store_copy_prop): Ditto.
13032 * ipa-prop.h (ipcp_driver): Ditto.
13033 * cfglayout.c (insn_locators_initialize): Ditto.
13034 * tree-ssa-forwprop.c
13035 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13036 * cfglayout.h (insn_locators_initialize): Ditto.
13037 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13038 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13039 (execute_late_warn_uninitialized): Ditto.
13040 * rtl.h (cleanup_barriers): Ditto.
13041 (split_all_insns_noflow): Ditto.
13042 (purge_line_number_notes): Ditto.
13043 (unshare_all_rtl): Ditto.
13044 (remove_unnecessary_notes): Ditto.
13045 (recompute_reg_usage): Ditto.
13046 (variable_tracking_main): Ditto.
13047 * integrate.c (emit_initial_value_sets): Ditto.
13048 * integrate.h (emit_initial_value_sets): Ditto.
13049 * tree-optimize.c (execute_free_datastructures): Ditto
13050 (execute_free_cfg_annotations): Ditto.
13051 (execute_fixup_cfg): Ditto.
13052 (execute_cleanup_cfg_pre_ipa): Ditto.
13053 (execute_cleanup_cfg_post_optimizing): Ditto.
13054 (execute_init_datastructures): Ditto.
13055 * tree-object-size.c (compute_object_sizes): Ditto.
13056 * combine.c (rest_of_handle_combine): Ditto.
13057 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13058 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13059 (rest_of_handle_reorder_blocks): Ditto.
13060 (rest_of_handle_partition_blocks): Ditto.
13061 * var-tracking.c (variable_tracking_main): Ditto.
13062 * tree-profile.c (tree_profiling): Ditto.
13063 * tree-vect-generic.c (expand_vector_operations): Ditto.
13064 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13065 * sched-rgn.c (rest_of_handle_sched): Ditto.
13066 (rest_of_handle_sched2): Ditto.
13067 * basic-block.h (free_bb_insn): Ditto.
13068 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13069 * tree-cfg.c (execute_build_cfg): Ditto.
13070 (remove_useless_stmts): Ditto.
13071 (split_critical_edges): Ditto.
13072 (execute_warn_function_return): Ditto.
13073 (execute_warn_function_noreturn): Ditto.
13074 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13075 * cfgrtl.c (free_bb_for_insn): Ditto.
13076 * passes.c (execute_one_pass): Run additional
13077 todos returned by execute function.
13078 * tree-pass.h (struct tree_opt_pass): Make execute
13081 2006-03-02 Richard Guenther <rguenther@suse.de>
13083 * tree-ssa-alias.c (find_used_portions): Consider taking
13084 the address as making the variable not write-only.
13086 2006-03-02 Nick Clifton <nickc@redhat.com>
13088 * config.gcc (default_use_cxa_atexit): Extend the description of
13089 this configure variable. Set its default value to "yes" for
13090 Linux, NetBSD and ELF targets on the assumption that they will
13091 use C libraries with the __cxa_atexit function.
13093 2006-03-02 Ben Elliston <bje@au.ibm.com>
13095 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13096 parameter as unused to suppress a build warning.
13098 2006-03-02 Ben Elliston <bje@au.ibm.com>
13100 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13103 2006-03-01 Roger Sayle <roger@eyesopen.com>
13106 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13107 declared name, the weak reference name, and the typeof name.
13108 (__gthrw): Avoid expanding the declared name suffix.
13109 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13111 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13113 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13115 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13116 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13117 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13118 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13119 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13120 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13121 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13122 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13123 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13124 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13125 (DW_END_default, DW_END_big, DW_END_little): New.
13126 (DW_END_lo_user, DW_END_hi_user): Define.
13127 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13128 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13129 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13132 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13134 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13136 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13138 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13140 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13142 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13143 to 'symbol_mem_tag'.
13145 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13148 2006-03-01 Roger Sayle <roger@eyesopen.com>
13150 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13152 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13155 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13156 MACHO_DYNAMIC_NO_PIC_P.
13157 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13159 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13162 * config/darwin-protos.h (darwin_asm_output_anchor):
13164 * config/darwin-sections.def (cstring_section):
13165 Add SECTION_MERGE to the flags.
13166 (literal4_section): Likewise.
13167 (literal8_section): Likewise.
13168 (objc_selector_refs_section): Likewise.
13169 (objc_cls_refs_section): Likewise.
13170 * config/darwin.c (darwin_asm_output_anchor): New
13172 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13174 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13176 Fix PR tree-optimization/26443
13177 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13178 to todo and PROP_tmt_usage to properties_destroyed.
13179 * tree-ssa-ccp.c (pass_ccp): Ditto.
13180 (pass_store_ccp): Ditto.
13181 * tree-ssa-dom.c (pass_dominator): Ditto.
13183 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13185 * tree-ssa-operands.c: Cleanup whitespace.
13186 (get_asm_expr_operands): Move before first invocation.
13187 (get_indirect_ref_operands): Likewise.
13188 (get_tmr_operands): Likewise.
13189 (get_call_expr_operands): Likewise.
13190 (append_def): Likewise.
13191 (append_use): Likewise.
13192 (append_v_may_def): Likewise.
13193 (append_v_must_def): Likewise.
13194 (add_call_clobber_ops): Likewise.
13195 (add_call_read_ops): Likewise.
13196 (add_stmt_operand): Likewise.
13197 (add_virtual_operand): Likewise.
13198 (build_ssa_operands): Likewise.
13200 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13202 PR middle-end/26022
13204 PR middle-end/24437
13205 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13206 with a call expr to ...
13207 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13209 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13211 * tree-vrp.c (extract_range_from_assert): Remove special
13212 handling for types with super-types.
13214 2006-03-01 Ben Elliston <bje@au.ibm.com>
13216 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13217 and powerpc64-*-linux* configurations.
13218 * config/t-dfprules: New file.
13220 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13221 Compile dfp-bit.c from the source directory using -DWIDTH and
13222 $DFP_CFLAGS to control the compilation of that file, rather than
13223 generating width-specific versions in the build directory.
13224 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13225 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13227 2006-02-28 Zack Weinberg <zackw@panix.com>
13229 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13232 2006-02-28 Eric Christopher <echristo@apple.com>
13234 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13235 Set up IN_LIBGCC definition of TARGET_64BIT.
13236 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13238 2006-02-28 Roger Sayle <roger@eyesopen.com>
13240 PR middle-end/14752
13241 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13242 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13243 cases via the construction of "expr != 0".
13245 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13247 * alias.c (alias_invariant, alias_invariant_size): Remove.
13248 (record_base_value): Remove.
13249 (memrefs_conflict_p): Don't look at alias_invariant.
13250 (end_alias_analysis): Don't free it.
13251 * alias.h (record_base_value): Remove prototype.
13253 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13254 Adam Nemet <anemet@caviumnetworks.com>
13256 * rtl.h (truncated_to_mode): Declare it.
13257 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13258 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13259 (RTL_HOOKS_INITIALIZER): Include it.
13260 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13261 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13262 reg_truncated_to_mode.
13263 * rtlanal.c (truncated_to_mode): Define it.
13264 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13266 2006-02-28 Jeff Law <law@redhat.com>
13268 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13269 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13270 the range allowed by TYPE_PRECISION.
13272 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13274 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13276 PR tree-optimization/26419
13277 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13280 2006-02-27 Zack Weinberg <zackw@panix.com>
13282 * doc/md.texi: Fix typo in previous change.
13284 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13288 2006-02-27 Zack Weinberg <zackw@panix.com>
13290 * rtl.def (define_constraint, define_register_constraint)
13291 (define_memory_constraint, define_address_constraint): New MD forms.
13292 * gensupport.c (process_rtx): Put define_constraint etc on the
13294 * genpreds.c (process_define_predicate): Adjust comment. Validate
13295 the name, and call validate_exp to validate the expression.
13296 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13297 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13298 all callers changed.
13299 (validate_exp, needs_variable, struct constraint_data)
13300 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13301 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13302 (const_dbl_constraints, constraint_max_namelen)
13303 (have_register_constraints, have_memory_constraints)
13304 (have_address_constraints, have_address_constraints)
13305 (have_extra_constraints, have_const_int_constraints)
13306 (have_const_dbl_constraints, mangle, add_constraint)
13307 (process_define_constraint, process_define_register_constraint)
13308 (write_enum_constraint_num, write_lookup_constraint)
13309 (write_insn_constraint_len, write_regclass_for_constraint)
13310 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13311 (write_insn_extra_memory_constraint)
13312 (write_insn_extra_address_constraint)
13313 (write_satisfies_constraint_fns): New.
13314 (write_tm_preds_h): If we have new-style constraint definitions,
13315 prototype the functions generated from them, and define the
13316 old constraint interface (still used by generic code) in terms of
13318 (write_insn_preds_c): If we have new-style constraint definitions,
13319 generate all relevant functions from those definitions.
13320 (main): Handle define_constraint etc.
13321 * genoutput.c (struct constraint_data, indep_constraints)
13322 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13323 (mdep_constraint_len): New data structures and functions, defined
13324 #ifdef USE_MD_CONSTRAINTS.
13325 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13326 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13327 use new logic to validate operand constraints against constraint
13329 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13331 * defaults.h: If none of the old-style constraint macros are
13332 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13333 old-style macros; and poison REG_CLASS_FROM_LETTER,
13334 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13336 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13337 * doc/md.texi: Document new constraint-definition mechanism and the
13338 C interface it provides. Remove references to old mechanism
13339 elsewhere in the document.
13340 (Machine Constraints): Use pathnames relative to gcc directory,
13341 i.e. config/ARCH/FILE. Change i386 section to refer to
13342 config/i386/predicates.md; update that section to match docstrings.
13343 * doc/tm.texi: Move all documentation of the old constraint-
13344 definition macros to their own section, clearly mark as obsolete.
13346 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13347 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13349 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13350 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13351 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13352 constraint strings.
13353 (splits and peepholes): Use satisfies_constraint_*.
13354 * config/i386/i386.c (memory_address_length)
13355 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13357 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13359 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13360 scalar operation to be put back into the loop.
13362 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13365 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13366 (extract_cie_info): Handle S flag in augmentation string.
13367 (execute_cfa_program): If context->signal_frame, execute also
13368 fs->pc == context->ra instructions.
13369 (uw_frame_state_for): If context->signal_frame, don't subtract one
13370 from context->ra to find FDE.
13371 (uw_update_context_1): Set context->signal_frame to
13373 (_Unwind_GetIPInfo): New function.
13374 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13375 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13377 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13378 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13379 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13380 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13381 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13382 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13383 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13384 x86_64_fallback_frame_state): Set fs->signal_frame.
13385 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13386 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13387 (frob_update_context): Likewise. Workaround missing S flag in
13388 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13389 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13390 Remove the psw_addr + 1 hack.
13392 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13394 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13395 with aggregates here.
13396 (find_func_aliases): Remove code for &<aggregate> from here.
13398 2006-02-26 Roger Sayle <roger@eyesopen.com>
13400 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13401 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13402 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13403 as (X & C) ne/eq 0.
13405 2006-02-26 Roger Sayle <roger@eyesopen.com>
13407 PR middle-end/19983
13408 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13410 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13412 * opts.c (decode_options): Do not handle flag_strength_reduce.
13413 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13414 and OPT_fstrength_reduce.
13415 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13416 flag_prefetch_loop_arrays for being nonzero.
13417 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13419 (fprefetch-loop-arrays-rtl): Removed.
13420 (flag_prefetch_loop_arrays): Do not specify the value.
13422 * doc/passes.texi: Update documentation of loop optimizer
13424 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13425 -frerun-loop-opt): Remove.
13427 2006-02-26 Richard Guenther <rguenther@suse.de>
13429 PR tree-optimization/26421
13430 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13431 in function calls that are ADDR_EXPRs as using the whole structure.
13433 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13435 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13436 * tree-pass.h (pass_loop_optimize): Remove.
13437 * passes.c (pass_loop_optimize): Never run it.
13438 * toplev.c (backend_init): Don't call init_loop.
13439 * opts.c (flag_loop_optimize_set): Remove.
13440 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13441 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13442 the old RTL loop optimizer when profiling enabled.
13443 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13444 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13445 pre-headers for the sake of the old RTL loop optimizer.
13446 * Makefile.in: Remove all references to loop.o.
13448 * doc/invoke.texi: Remove all references to -floop-optimize
13449 and -frerun-loop-opt.
13451 2006-02-26 Zack Weinberg <zackw@panix.com>
13453 * doc/md.texi (Machine Constraints): Refer to all files with paths
13454 relative to gcc directory (i.e. config/CPU/file). Add missing
13455 @table @code ... @end table to M32C subsection.
13457 2006-02-26 Roger Sayle <roger@eyesopen.com>
13459 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13461 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13463 2006-02-26 Roger Sayle <roger@eyesopen.com>
13464 James A. Morrison <phython@gcc.gnu.org>
13466 PR middle-end/21137
13467 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13468 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13469 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13470 signedness of the shift operation.
13472 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13474 PR tree-optimization/26359
13475 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13477 2006-02-25 Roger Sayle <roger@eyesopen.com>
13479 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13480 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13481 as X == 0, and some symmetry related transformations.
13482 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13484 2006-02-25 Roger Sayle <roger@eyesopen.com>
13486 PR middle-end/23673
13487 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13488 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13489 symmetry related transformations. Fold (X^C1) == C2 as
13492 2006-02-25 Juergen Weigert <jw@suse.de>
13493 Richard Guenther <rguenther@suse.de>
13495 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13497 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13499 * combine.c (gen_lowpart_or_truncate): Call
13500 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13502 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13504 * doc/invoke.texi: Move -fopenmp description to "Options for
13506 Remove reference to -lgomp.
13508 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13510 * doc/install.texi: Require GNU tar version 1.14.
13512 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13514 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13515 * doc/invoke.texi (C++ Dialect Options): Document
13516 -fno-use-cxa-get-exception-ptr.
13517 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13518 * configure: Regenerate.
13519 * c.opt (fuse-cxa-get-exception-ptr): New.
13520 * c-opts.c (c_common_handle_option): Handle
13521 OPT_fuse_cxa_get_exception_ptr.
13522 * c-common.c (flag_use_cxa_atexit): Update documentation.
13523 (flag_use_cxa_get_exception_ptr): New.
13524 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13525 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13527 (C_COMMON_OVERRIDE_OPTIONS): New.
13529 2006-02-24 Roger Sayle <roger@eyesopen.com>
13531 PR middle-end/24952
13532 * combine.c (try_combine): Explicitly check whether GET_CODE is
13533 a SET or a CLOBBER, instead on checking that it isn't a USE.
13535 2006-02-24 Roger Sayle <roger@eyesopen.com>
13537 * fold-const.c (fold_comparison): New subroutine of fold_binary
13538 containing transformations common to both the equality and
13539 ordering relational operators, factored out of fold_binary.
13540 (fold_binary): Separate out the equality operators (EQ_EXPR
13541 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13542 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13543 transformations common to both.
13544 (fold_div_compare): Fix latent bugs in the previously unreachable
13545 LT_EXPR and GE_EXPR cases.
13547 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13549 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13550 decl libname for clog to __clog on AIX.
13552 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13554 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13557 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13558 output traceback table for thunks. Localise rs6000_stack_info call.
13560 2006-02-23 Roger Sayle <roger@eyesopen.com>
13561 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13563 * gthr-posix.h (__gthrw): Fix typo in comment.
13565 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13567 * doc/cpp.texi (Character sets): Document that we do support
13568 input files to be in any character set.
13570 2006-02-23 Jeff Law <law@redhat.com>
13572 * tree.h (PHI_ARG_NONZERO): Remove.
13573 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13574 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13575 node to the new node.
13577 PR tree-optimization/26425
13578 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13579 min/max, then assume its varying.
13581 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13583 PR rtl-optimization/26316
13584 * rtlanal.c (enum may_trap_p_flags): New.
13585 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13586 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13587 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13588 (may_trap_after_code_motion_p): New function.
13589 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13590 (find_invariant_insn): Use may_trap_after_code_motion_p.
13591 * rtl.h (may_trap_after_code_motion_p): Declare.
13593 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13595 * emit-rtl.c (immed_double_const): Cleanup.
13597 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13599 Fix PR tree-optimization/26376
13600 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13603 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13605 PR middle-end/26412
13606 * gimplify.c (omp_add_variable): Guard variable size decl test with
13607 DECL_SIZE (decl) check.
13609 2006-02-23 Richard Guenther <rguenther@suse.de>
13611 PR middle-end/26439
13612 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13613 like aggregate types.
13615 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13617 * configure.ac: Add --with{,out}-long-double-128 configure option.
13618 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13619 * configure: Rebuilt.
13620 * config.in: Rebuilt.
13621 * doc/install.texi (Options specification): Document
13622 --with-long-double-128.
13624 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13625 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13626 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13627 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13629 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13631 * config/s390/s390.c (override_options): Handle
13632 TARGET_DEFAULT_LONG_DOUBLE_128.
13634 * config/alpha/alpha.c (override_options): Handle
13635 TARGET_DEFAULT_LONG_DOUBLE_128.
13637 * config/sparc/sparc.c (sparc_override_options): Handle
13638 TARGET_DEFAULT_LONG_DOUBLE_128.
13640 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13642 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13643 (real-install-headers-tar, real-install-headers-cpio)
13644 (real-install-headers-cp): New targets.
13646 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13648 * tree.h (variable_section): Delete.
13649 * varasm.c (variable_section): Delete.
13651 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13653 * install.texi: Add notes on install.texi2html.
13654 (Building in parallel): Do not use footnotes.
13656 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13659 * doc/install.texi (Configuration): Document --disable-libgomp.
13661 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13663 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13665 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13667 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13668 (vec_extractv2df_0_sse): New.
13670 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13672 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13673 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13674 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13675 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13676 to the result of the expression.
13677 (def_cfa_1): Adjust.
13678 (frame_pointer_cfa_offset): Rename to...
13679 (frame_pointer_fb_offset): ... this. Adjust all uses.
13680 (convert_cfa_to_loc_list): Rename to...
13681 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13682 Pass it on to build_cfa_loc.
13683 (compute_frame_pointer_to_cfa_displacement): Rename to...
13684 (compute_frame_pointer_to_fb_displacement): ... this. New
13685 offset parameter. Use it in computation.
13686 (gen_subprogram_die): Compute cfa_fb_offset with the new
13687 macro, and use it to compute the fb loc list and the
13690 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13692 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13693 replaced with register_operand.
13694 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13695 non-DREG is expensive.
13696 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13697 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13700 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13702 * doc/install.texi2html: Use set -e.
13704 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13706 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13707 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13708 * doc/invoke.texi (-fshared-data): Delete.
13709 * common.opt (fshared-data): Delete.
13710 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13711 (assemble_static_space): Remove #if 0 code.
13712 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13713 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13714 * config/cris/cris.h: Remove FIXME.
13716 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13718 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13721 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13723 PR middle-end/26379
13724 * combine.c (simplify_shift_const_1): Disable nested shifts
13725 optimization for vector shifts.
13727 2006-02-20 Roger Sayle <roger@eyesopen.com>
13729 PR tree-optimization/26361
13730 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13731 of unsigned integer types.
13733 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13735 * tree-chrec.c (eq_evolutions_p): New.
13736 * tree-chrec.h (eq_evolutions_p): Declared.
13737 * tree-data-ref.c: Fix formatting.
13738 (datadep_stats, dependence_stats): New.
13740 (print_direction_vector): New.
13741 (dump_data_dependence_relation): Use print_direction_vector.
13742 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13743 (compute_subscript_distance): Static.
13744 (initialize_data_dependence_relation): Static. Get the number
13745 of loops surrounding the references from the callers, and initialize
13746 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13747 base_object_differ_p analyzers.
13748 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13749 compute_overlap_steps_for_affine_1_2,
13750 analyze_subscript_affine_affine): Count the classified dependences.
13751 Print a message when a test failed.
13752 (can_use_analyze_subscript_affine_affine): New.
13753 (analyze_siv_subscript): Compute the data dependences on symbolic
13754 scevs that verify can_use_analyze_subscript_affine_affine.
13755 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13756 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13757 Handle symbolic scevs.
13758 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13760 (subscript_dependence_tester): Moved...
13761 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13762 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13763 DDR_SIZE_VECT instead of getting it in parameter.
13764 (subscript_dependence_tester): ... here. Take as a parameter
13765 loop_nest_depth. Call build_classic_dist_vector and
13766 build_classic_dir_vector.
13767 (compute_affine_dependence): Update subscript_dependence_tester
13768 parameters. Update datadep_stats counters. Call
13769 compute_subscript_distance.
13770 (compute_self_dependence): Save the dist and dir vectors. Call
13771 compute_subscript_distance.
13772 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13773 (compute_all_dependences): Reorder parameters as they were before
13774 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13775 compute_subscript_distance. Update the use of
13776 compute_affine_dependence and initialize_data_dependence_relation.
13777 (find_data_references_in_loop): Handle COMPONENT_REF.
13778 (compute_data_dependences_for_loop): Initialize dependence_stats.
13779 Don't call build_classic_dist_vector and build_classic_dir_vector.
13780 Update the parameters of initialize_data_dependence_relation and
13781 compute_all_dependences. Print the statistics from datadep_stats.
13782 (analyze_all_data_dependences): Static. Not used until the pass for
13783 checking the data dependences is contributed.
13784 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13785 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13786 (initialize_data_dependence_relation, compute_affine_dependence,
13787 analyze_all_data_dependences, compute_subscript_distance): Removed.
13788 (print_direction_vector): New.
13789 * lambda.h (gcd): ... here.
13790 (lambda_vector_gcd): Moved here from gcd_vector.
13791 * lambda-code.c (gcd, gcd_vector): Removed.
13792 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13793 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13795 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13797 * ipa-type-escape.c: Tidy some comments and white space.
13798 * tree-ssa-operands.c: Likewise.
13800 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13803 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13804 (dump_decl_name): Do not walk the decl tree chains.
13805 * tree-pass.h (TDF_CHAIN): Remove.
13807 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13809 * Makefile.in (C): Remove
13811 (.PHONY): Remove C and PROTO
13813 2006-02-20 Roger Sayle <roger@eyesopen.com>
13815 PR middle-end/26236
13816 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13817 deprecated CHAR_TYPE tree code.
13819 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13821 * configure.ac (target_list): Add install-info, dvi, html.
13822 * configure: Regenerate.
13824 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13825 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13826 treelang/Make-lang.in: Do not use double-colon rules.
13828 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13830 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13831 (TMT_USED_ALONE): New macro.
13832 * tree-pass.h (PROP_tmt_usage): New property.
13833 (TODO_update_tmt_usage): New todo.
13834 * tree-ssa-alias.c (updating_used_alone): New variable.
13835 (recalculate_used_alone): New function.
13836 (compute_may_aliases): Set updating_used_alone, call
13837 recalculate_used_alone.
13838 * tree-sra.c (pass_sra): Note that this pass destroys
13839 PROP_tmt_usage, and add TODO_update_tmt_usage.
13840 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13841 * tree-flow.h (updating_used_alone): Prototype.
13842 (recalculate_used_alone): Ditto.
13843 * passes.c (execute_todo): Add code to set updating_used_alone,
13844 and call recalculate.
13845 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13846 for clobber if used alone, and add assert to verify used_alone
13849 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13851 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13852 for non tls symbols added.
13853 (legitimize_address): Do nothing for PLUS expressions if one of the
13854 addends is a tls symbol reference.
13856 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13860 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13862 * Makefile.in (BOOTSTRAPPING): New.
13863 (quickstrap): New definition if BOOTSTRAPPING=yes.
13865 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13866 * configure.ac: Substitute all_selected_languages with the languages
13867 that were configured. For all the other variables except
13868 lang_specs_files, include all the languages in the tree.
13869 * configure: Regenerate.
13871 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13872 if there is one. Run the commands to run fixincludes in the same
13875 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13876 * doc/install.texi: Document exact conventions for searching target tools.
13877 Document --with-build-time-tools. Document toplevel bootstrap. Document
13878 something more about building an Ada cross-compiler. Don't list GNU Make
13879 requirements which affect all platforms.
13881 2006-02-19 Roger Sayle <roger@eyesopen.com>
13883 PR middle-end/19543
13884 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13885 only equivalent if the have both the same mode and precision.
13887 2006-02-20 Ben Elliston <bje@au.ibm.com>
13889 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13891 2006-02-19 Roger Sayle <roger@eyesopen.com>
13892 Steven Bosscher <stevenb.gcc@gmail.com>
13894 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13895 constant pool references to identify stack mode constants.
13896 * rtlanal.c (constant_pool_constant_p): New predicate to check
13897 whether operand is a floating point constant in the pool.
13898 * rtl.h (constant_pool_constant_p): Prototype here.
13899 * loop.c (scan_loop): Avoid hoisting constants from the constant
13900 pool on STACK_REGS targets.
13901 (load_mems): Likewise.
13902 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13903 loads into x87 registers expensive in terms of register pressure.
13905 2006-02-19 Roger Sayle <roger@eyesopen.com>
13907 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13908 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13910 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13912 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13913 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13915 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13917 * doc/invoke.texi: Document -fipa-pta.
13918 * common.opt: Add ipa-pta option.
13919 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13920 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13921 (do_ds_constraint): Ditto.
13922 (get_constraint_for): Only add to referenced_vars if
13923 referenced_vars exists.
13924 (insert_into_field_list): Rewrite to do this unsorted.
13925 (insert_into_field_list_sorted): Rename old insert_into_field_list
13927 (create_function_info_for): Use insert_into_field_list_sorted.
13928 (create_variable_info_for): Rewrite so it uses unsorted version,
13929 since the field list is sorted.
13930 (intra_create_variable_infos): Only add to referenced_vars if
13931 referenced_vars exists.
13932 (ipa_pta_execute): Init heapvars, and delete when done.
13933 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13935 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13937 * doc/install.texi: Add missing `@samp'.
13939 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13941 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13944 2006-02-18 Mark Wielaard <mark@klomp.org>
13946 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13947 who added new 4.1 features, bug fixes and integration support.
13949 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13952 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13953 MEM for ABI_V4 pic.
13955 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13957 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13958 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13959 (copy_insn_1): Likewise. Don't copy each field individually.
13961 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13963 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13964 * rtl.c (rtx_size): Rename variable to...
13965 (rtx_code_size): ...this.
13966 (rtx_size): New function.
13967 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13968 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13970 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13971 * rtl.h (rtx_code_size): New variable.
13972 (rtx_size): Change from a variable to a function.
13973 (RTX_SIZE): Rename to...
13974 (RTX_CODE_SIZE): ...this.
13977 PR tree-optimization/17106
13978 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13979 (Anchored Addresses): New section.
13980 * doc/invoke.texi (-fsection-anchors): Document.
13981 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13982 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13983 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13984 * hooks.c (hook_bool_mode_rtx_false): New function.
13985 * hooks.h (hook_bool_mode_rtx_false): Declare.
13986 * gengtype.c (create_optional_field): New function.
13987 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13988 SYMBOL_REF_IN_BLOCK_P is true.
13989 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13990 (min_anchor_offset, max_anchor_offset): Likewise.
13991 (use_anchors_for_symbol_p): New hook.
13992 * toplev.c (compile_file): Call output_object_blocks.
13993 (target_supports_section_anchors_p): New function.
13994 (process_options): Check that -fsection-anchors is only used on
13995 targets that support it and when -funit-at-a-time is in effect.
13996 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13997 if the decl doesn't have one.
13998 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13999 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14000 of force_const_mem through use_anchored_address.
14001 (expand_expr_constant): New function.
14002 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14003 calling expand_expr for INDIRECT_REF.
14004 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14005 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14006 * expr.h (use_anchored_address): Declare.
14007 * loop-unroll.c: Don't declare rtx vectors here.
14008 * explow.c: Include output.h.
14009 (validize_mem): Call use_anchored_address.
14010 (use_anchored_address): New function.
14011 * common.opt (-fsection-anchors): New switch.
14012 * varasm.c (object_block_htab, anchor_labelno): New variables.
14013 (hash_section, object_block_entry_eq, object_block_entry_hash)
14014 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14015 (use_blocks_for_decl_p, change_symbol_section): New functions.
14016 (get_variable_section): New function, split out from assemble_variable.
14017 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14018 use_blocks_for_decl_p say so. Use change_symbol_section if the
14019 symbol has already been created.
14020 (assemble_variable_contents): New function, split out from...
14021 (assemble_variable): ...here. Don't output any code for
14022 block symbols; just pass them to place_block_symbol.
14023 Use get_variable_section and assemble_variable_contents.
14024 (get_constant_alignment, get_constant_section, get_constant_size): New
14025 functions, split from output_constant_def_contents.
14026 (build_constant_desc): Create a block symbol if use_object_blocks_p
14027 says so. Or into SYMBOL_REF_FLAGS.
14028 (assemble_constant_contents): New function, split from...
14029 (output_constant_def_contents): ...here. Don't output any code
14030 for block symbols; just pass them to place_section_symbol.
14031 Use get_constant_section and get_constant_alignment.
14032 (force_const_mem): Create a block symbol if use_object_blocks_p and
14033 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14034 (output_constant_pool_1): Add an explicit alignment argument.
14035 Don't switch sections here.
14036 (output_constant_pool): Adjust call to output_constant_pool_1.
14037 Switch sections here instead. Don't output anything for block symbols;
14038 just pass them to place_block_symbol.
14039 (init_varasm_once): Initialize object_block_htab.
14040 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14041 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14042 (place_block_symbol, get_section_anchor, output_object_block)
14043 (output_object_block_htab, output_object_blocks): New functions.
14044 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14045 (TARGET_ASM_OUT): Include it.
14046 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14047 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14048 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14049 (TARGET_INITIALIZER): Include them.
14050 * rtl.c (rtl_check_failed_block_symbol): New function.
14051 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14052 (block_symbol, object_block): New structures.
14053 (rtx_def): Add a block_symbol field to the union.
14054 (BLOCK_SYMBOL_CHECK): New macro.
14055 (rtl_check_failed_block_symbol): Declare.
14056 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14057 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14058 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14059 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14060 * output.h (output_section_symbols): Declare.
14061 (object_block): Name structure.
14062 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14063 (default_use_anchors_for_symbol_p): Declare.
14064 * Makefile.in (RTL_BASE_H): Add vec.h.
14065 (explow.o): Depend on output.h.
14066 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14067 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14068 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14069 (rs6000_use_blocks_for_constant_p): New function.
14071 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14073 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14075 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14078 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14081 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14083 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14087 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14089 PR middle-end/26334
14090 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14091 instead of DECL_REGISTER.
14093 2006-02-18 Olivier Hainque <hainque@adacore.com>
14096 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14098 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14101 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14102 * opth-gen.awk: Handle Var and InverseMask together.
14103 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14104 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14105 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14106 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14108 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14109 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14110 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14111 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14112 LINUX_DYNAMIC_LINKER): Define.
14113 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14114 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14116 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14117 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14118 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14119 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14120 (TARGET_C99_FUNCTIONS): Don't define.
14121 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14122 GLIBC_DYNAMIC_LINKER.
14123 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14124 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14125 GLIBC_DYNAMIC_LINKER64): Define.
14126 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14127 LINUX_DYNAMIC_LINKER64.
14128 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14129 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14130 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14131 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14132 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14133 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14134 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14135 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14136 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14137 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14138 and LINUX_DYNAMIC_LINKER32.
14139 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14140 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14141 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14142 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14143 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14145 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14146 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14147 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14148 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14149 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14150 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14151 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14152 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14153 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14154 LINUX_DYNAMIC_LINKER): Define.
14155 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14156 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14157 GLIBC_DYNAMIC_LINKER64): Define.
14158 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14159 LINUX_DYNAMIC_LINKER64.
14160 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14161 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14162 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14163 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14164 LINUX_DYNAMIC_LINKER): Define.
14165 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14166 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14167 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14168 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14169 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14170 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14171 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14172 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14173 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14174 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14175 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14176 * doc/invoke.texi (-muclibc): Remove caveat about supported
14179 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14181 * doc/cpp.texi (__TIMESTAMP__): Document.
14183 2006-02-17 Roger Sayle <roger@eyesopen.com>
14185 PR middle-end/25600
14186 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14187 C is one less than the width of X (and related transformations).
14188 * simplify-rtx.c (simplify_unary_operation_1): Transform
14189 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14190 depending on STORE_FLAG_VALUE, were C is one less then the
14193 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14195 Fix PR tree-optimization/26341
14196 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14197 about NAME_MEMORY_TAG's.
14199 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14202 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14203 with hardware float support, and software float support. Add fcpy
14204 alternative to hardware patterns. Add alternatives to copy between
14205 general and floating-point registers to the 32-bit pattern.
14206 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14207 secondary reload to load a QI or HI mode constant into a floating
14209 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14210 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14212 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14215 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14217 (load_macho_picbase_di): Likewise.
14219 2006-02-16 Jeff Law <law@redhat.com>
14221 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14222 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14223 (ssa_name_nonzero_p): Likewise.
14224 (get_value_range): Return NULL if VRP is not running.
14225 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14226 VRP routines do not discover a range.
14227 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14228 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14229 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14230 (tree_expr_nonnegative_p): Similarly.
14231 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14232 (restore_nonzero_vars_to_original_value): Remove.
14233 (unsafe_associative_fp_binop): Remove.
14234 (tree_ssa_dominator_optimize): Remove initialization and
14235 finalization of nonzero_vars and nonzero_vars_stack.
14236 (dom_opt_initialize_block): No longer push marker on
14237 nonzero_vars_stack.
14238 (dom_opt_finalize_block): No longer call
14239 restore_nonzero_vars_to_original_value.
14240 (record_equivalences_from_phis): No longer look for
14241 nonzero PHI arguments.
14242 (cprop_into_successor_phis): No longer propagate nonzero
14243 property into PHI arguments. Lose unused argument. Caller
14245 (record_equivalences_from_stmt): No longer record nonzero
14246 values for SSA_NAMEs.
14247 (lookup_avail_expr): No longer use nonzero_vars.
14249 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14250 for sizetype when sizetype is unsigned.
14252 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14254 PR rtl-optimization/25603
14255 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14256 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14257 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14258 with new meaning of SETS.
14260 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14265 * config/linux.opt: New file.
14266 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14267 LINUX_DYNAMIC_LINKER): Define.
14268 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14269 * config.gcc (*-*-linux*): Define extra_options.
14270 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14271 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14272 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14273 GLIBC_DYNAMIC_LINKER.
14274 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14275 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14276 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14277 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14278 * doc/invoke.texi (GNU/Linux Options): New section.
14280 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14282 * config/sparc/sparc.md (setjmp): Rewrite.
14283 (setjmp_32): Delete.
14284 (setjmp_64): Likewise.
14286 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14288 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14291 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14293 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14296 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14298 PR rtl-optimization/26296
14299 * Makefile.in (loop-invariant.c): Add except.h dependency.
14300 * loop-invariant.c: Include except.h.
14301 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14303 2005-02-16 Paul Brook <paul@codesourcery.com>
14305 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14308 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14310 PR rtl-optimization/25636
14311 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14312 when deciding whether an insn is an initializing insn.
14314 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14316 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14317 (tree_code_size): Ditto.
14318 * tree.h (struct tree_memory_tag): Remove parent_var.
14319 (struct tree_struct_field_tag): New.
14322 (union tree_node): Add sft member.
14323 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14325 (create_sft): Add size and offset argument, set SFT_OFFSET and
14327 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14328 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14329 * tree-flow-inline.h (get_subvar_at): Update for
14330 SFT_OFFSET/SFT_SIZE.
14331 (var_can_have_subvars): Ditto.
14332 (overlap_subvar): Ditto.
14333 * print-tree.c (print_node): Print out interesting things for
14335 * tree-flow.h (struct subvar): Remove offset and size members.
14336 * tree-ssa-operands.c (get_expr_operands): Update for
14337 get_indirect_ref_operands changes.
14338 (get_indirect_ref_operands): Call add_virtual_operand instead of
14339 add_stmt_operand. Only recurse on base var if requested.
14340 (access_can_touch_variable): New function.
14341 (add_stmt_operand): Split virtual operand handling into ...
14342 (add_virtual_operand): Here. Add offset, size, and for_clobber
14343 arguments. Prune alias sets.
14344 (add_call_clobber_ops): Call add_virtual_operand.
14346 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14348 PR middle-end/26300
14349 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14351 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14352 than TREE_CODE as index into omp_clause_num_ops array.
14354 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14356 PR rtl-optimization/26184
14357 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14359 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14360 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14361 must_precede, must_follow and tobe_scheduled.
14364 * opts.c (common_handle_option): Free new_option pointer.
14365 * df-core.c (df_analyze): Free postorder pointer.
14367 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14369 * Makefile.in: Fix the examples about the use of stamps
14371 2006-02-15 Michael Matz <matz@suse.de>
14373 PR middle-end/22275
14375 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14376 influenced by maximum_field_alignment or DECL_PACKED.
14377 (update_alignment_for_field): Ditto.
14378 (place_field): Ditto.
14379 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14382 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14384 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14385 (debug_flow_info): Pass it.
14386 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14387 * bb-reorder.c (reorder_basic_blocks): Likewise.
14388 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14389 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14390 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14391 * gcse.c (gcse_main, bypass_jumps): Likewise.
14392 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14393 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14394 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14395 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14396 * rtl.h (dump_flow_info): Adjust prototype.
14397 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14398 * var-tracking.c (variable_tracking_main): Likewise.
14399 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14400 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14403 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14405 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14408 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14410 PR tree-optimization/26209
14411 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14412 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14414 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14416 2006-02-14 Roger Sayle <roger@eyesopen.com>
14418 PR middle-end/23670
14419 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14420 (X,Y) and the corresponding symmetry related transformations.
14421 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14422 (X,Y) and its symmetry related transformations.
14424 2006-02-14 Roger Sayle <roger@eyesopen.com>
14426 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14429 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14431 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14433 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14436 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14437 support COMDAT group.
14438 * configure: Regenerate.
14440 2006-02-14 Roger Sayle <roger@eyesopen.com>
14442 PR middle-end/26279
14443 PR middle-end/26280
14444 PR middle-end/26283
14445 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14447 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14449 Fix PR tree-optimization/26260
14451 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14453 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14454 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14455 * tree-ssa-structalias.c (create_variable_info_for): Use
14456 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14458 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14460 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14462 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14463 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14464 of the ending condition.
14465 * tree-ssa-loop-manip.c: Include params.h.
14466 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14467 tree_unroll_loop): New functions.
14468 * tree-pass.h (pass_loop_prefetch): Declare.
14469 * loop.c (rest_of_handle_loop_optimize): Test for
14470 -fprefetch-loop-arrays-rtl.
14471 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14472 * timevar.def (TV_TREE_PREFETCH): New timevar.
14473 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14474 pass_loop_prefetch): New.
14475 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14476 (cleanup_tree_cfg_loop): Call scev_reset.
14477 * common.opt (fprefetch-loop-arrays-rtl): Add.
14478 * tree-ssa-loop-prefetch.c: New file.
14479 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14480 (new_temp_expr_table): Initialize expr_vars.
14481 (free_temp_expr_table): Cleanup expr_vars.
14482 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14483 expressions from being merged into one.
14484 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14485 (struct tree_niter_desc): Add control, bound and cmp fields.
14486 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14488 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14489 (tree-cfgcleanup.o): Add SCEV_H dependency.
14490 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14491 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14493 2006-02-14 Richard Guenther <rguenther@suse.de>
14495 PR tree-optimization/26258
14496 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14497 in PHI argument processing.
14499 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14501 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14502 new expression in the requested machine mode.
14504 2006-02-13 Roger Sayle <roger@eyesopen.com>
14506 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14507 directly, instead let do_compare_rtx_and_jump handle this for us.
14508 * expr.c (expand_expr_real_1): Likewise.
14509 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14510 before do_jump_by_parts_greater.
14511 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14512 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14514 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14516 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14518 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14520 PR rtl-optimization/26235
14521 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14522 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14525 2006-02-13 Jeff Law <law@redhat.com>
14527 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14530 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14532 PR middle-end/26092
14533 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14534 twice if decl is a builtin. When trying again, call get_callee_fndecl
14535 first to verify it is still a builtin.
14537 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14539 * dwarf2out.c (base_type_die): Don't add AT_name here.
14540 (subrange_type_die): Don't add AT_name here.
14541 (modified_type_die): Rearrange code flow. Do add AT_name here.
14543 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14545 PR rtl-optimization/26247
14546 PR rtl-optimization/26248
14547 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14549 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14551 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14552 * config/fixtfdi.c: Likewise.
14553 * config/fixunstfdi.c: Likewise.
14554 * config/floatditf.c: Likewise.
14556 2006-02-13 Roger Sayle <roger@eyesopen.com>
14558 PR middle-end/24427
14559 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14560 into (X,C2) if C1 is a subset of the bits of C2. Transform
14561 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14563 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14565 2006-02-13 Josh Conner <jconner@apple.com>
14568 * varasm.c (function_section): Check for section name before
14569 calling select_section on targets that define
14570 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14571 unlikely_text_section instead of hot_function_section if
14572 first_function_block_is_cold.
14574 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14576 PR middle-end/25335
14577 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14579 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14581 PR rtl-optimization/26222
14582 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14583 after tree->rtl expansion.
14584 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14585 before passing it to emit_move_insn.
14587 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14589 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14591 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14592 Clarify documentation.
14593 * c-common.h (warn_write_strings): Remove.
14594 * c-common.c (warn_write_strings): Likewise.
14595 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14598 2006-02-12 Roger Sayle <roger@eyesopen.com>
14600 PR middle-end/25724
14601 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14602 (do_jump_parts_zero_rtx): New function renamed from
14603 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14604 (do_jump_parts_equality_rtx): New function split out from
14605 do_jump_parts_equality. Old implementation renamed as above.
14606 Call do_jump_parts_zero_rtx if either operand is zero.
14607 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14608 do all of the heavy lifting.
14609 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14610 calling either do_jump_by_parts_greater_rtx or
14611 do_jump_by_parts_equality_rtx.
14612 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14613 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14614 moved to do_compare_rtx_and_jump, call it directly.
14615 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14616 mode argument. Call do_compare_rtx_and_jump.
14617 (emit_case_nodes): Update calls to do_jump_if_equal.
14619 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14621 PR rtl-optimization/26225
14622 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14624 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14626 PR rtl-optimization/26232
14627 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14629 2006-02-11 Jason Merrill <jason@redhat.com>
14632 * tree-inline.c (declare_return_variable): Just don't use the
14633 modify target if it's a gimple complex reg and the return slot
14636 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14638 * doc/contrib.texi: Update my entry.
14640 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14642 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14644 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14646 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14649 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14651 * doc/invoke.texi (-floop-optimize2): Removed.
14652 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14653 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14654 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14655 * common.opt (floop-optimize2): Removed.
14656 (fmove-loop-invariants): Enabled by default.
14658 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14660 * tree-if-conv.c (combine_blocks): Free the result of
14661 get_loop_exit_edges.
14663 2006-02-10 Jeff Law <law@redhat.com>
14665 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14667 PR tree-optimization/26213
14668 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14669 loop trying to follow SSA_NAME_VALUE chains.
14671 2006-02-10 Richard Guenther <rguenther@suse.de>
14673 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14674 deal with structures that end in implicitly variable sized arrays.
14676 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14678 PR rtl-optimization/24762
14679 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14682 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14684 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14685 (struct ivopts_data): Add regs_used field.
14686 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14687 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14688 instead of loop_data->regs_used;
14689 (free_loop_data): Do not free aux fields for loops.
14690 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14691 and tree_ssa_iv_optimize_finalize.
14693 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14695 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14697 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14700 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14701 computing the effective result type.
14703 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14705 PR inline-asm/16194
14706 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14707 (tree_overlaps_hard_reg_set): Declare.
14708 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14709 type and signature to match function type expected by walk_tree.
14710 (tree_overlaps_hard_reg_set): New function.
14711 (decl_conflicts_with_clobbers_p): Rename to:
14712 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14713 Use tree_overlaps_hard_reg_set. Changed caller.
14714 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14715 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14716 * cris.c (cris_md_asm_clobbers): Likewise.
14718 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14720 * reload1.c (emit_input_reload_insns): Delete code that tries to
14721 inherit using find_equiv_reg.
14723 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14725 * c-common.h (flag_const_strings): Don't declare.
14726 * c-common.c (flag_const_strings): Remove.
14727 * c.opt (fconst_strings): Remove.
14728 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14729 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14730 (c_common_init_options): Don't set flag_const_strings.
14731 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14733 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14735 * arm.md (tlobits_cbranch): New pattern.
14736 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14737 testing a single bit.
14739 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14742 * tree-ssa-pre.c (create_component_ref_by_pieces):
14743 Handle RETURN_DECL like VAR_DECL.
14745 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14747 PR middle-end/26134
14748 * fold-const.c (fold_indirect_ref_1): Fold
14749 "*(foo *)&complexfoo" to "__real__ complexfoo"
14750 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14752 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14754 * tree-flow-inline.h (var_can_have_subvars):
14755 Volatile variables should not have subvariables.
14757 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14760 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14761 multiplying unsigned values.
14764 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14766 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14768 2006-02-08 Jason Merrill <jason@redhat.com>
14771 * tree.def: Elaborate on difference from MODIFY_EXPR.
14772 * doc/c-tree.texi (INIT_EXPR): Likewise.
14773 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14774 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14775 (gimplify_target_expr): Likewise.
14776 (gimplify_cond_expr): Remove target handling.
14777 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14778 (gimplify_expr): Clobber it here.
14779 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14780 Do return slot optimization if we have an INIT_EXPR.
14783 * tree-inline.c (declare_return_variable): Also clear
14784 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14787 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14789 PR middle-end/22439
14790 * gimplify.c (gimplify_one_sizepos): Fix typo.
14792 2006-02-08 Jeff Law <law@redhat.com>
14794 PR tree-optimization/21417
14795 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14796 across a backedge if the control statement at the end of the
14797 block is data dependent on other statements in the same block.
14798 (record_temporary_equivalences_from_stmts): Remove over-conservative
14799 test for threading across backedges.
14801 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14802 control statement, handle all three special cases in the same
14803 manner as they all have the same desired solution. No longer
14804 special case edge flag updating when the post dominator is
14807 2006-02-08 Roger Sayle <roger@eyesopen.com>
14809 * tree.def (CHAR_TYPE): Remove.
14810 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14811 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14812 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14813 (gen_string_type_die): Delete unreachable function.
14815 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14816 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14817 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14818 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14819 * builtins.c (type_to_class): Likewise.
14820 * fold-const.c (fold_convert, build_range_check,
14821 merge_ranges): Likewise.
14822 * expr.c (count_type_elements): Likewise.
14823 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14824 * stor-layout.c (layout_type): Likewise.
14825 * ipa-type-escape.c (type_to_consider): Likewise.
14826 * gimplify.c (omp_firstprivatize_type_sizes,
14827 gimplify_type_sizes): Likewise.
14828 * explow.c (promote_mode): Likewise.
14829 * tree-sra.c (is_sra_scalar_type): Likewise.
14830 * varasm.c (output_constant): Likewise.
14831 * tree-inline.c (remap_type_1): Likewise.
14832 * convert.c (convert_to_pointer, convert_to_real,
14833 convert_to_integer, convert_to_complex): Likewise.
14835 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14837 * df-scan.c (df_def_record_1): A set destination may
14838 be a parallel regardless of mode.
14840 2006-02-08 Roger Sayle <roger@eyesopen.com>
14843 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14844 * config/mips/_tilib.c: Remove.
14845 * config/fixtfdi.c: New libgcc source file.
14846 * config/fixunstfdi.c: New source file.
14847 * config/floatditf.c: New source file.
14848 * config/floatunditf.c: New souce file.
14849 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14850 files above instead of config/mips/_tilib.c.
14851 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14853 2006-02-08 Jeff Law <law@redhat.com>
14855 PR tree-optimization/26169
14856 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14859 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14861 * df.h (DF_REG_SIZE): Return the length of the initialized
14864 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14866 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14867 __muldf3): Return a correctly signed zero.
14869 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14871 * passes.c (register_one_dump_file): Accept the current properties
14872 instead of pass number. Adjust call to dump_register. Remove
14874 (register_dump_files): Now a wrapper around...
14875 (register_dump_files_1): ... this one. Do not modify the pass
14877 (next_pass_1): Cosmetic fix.
14878 (execute_todo): Keep second parameter only. Use curr_properties
14879 instead of fetching it from the pass structure. Check and set
14881 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14882 instead of fetching it from the pass structure. Fix calls to
14883 execute_todo. Update curr_properties and initialize .vcg RTL dump
14884 after running the pass. Reset last_verified.
14885 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14887 (FIRST_AUTO_NUMBERED_DUMP): New.
14888 (dump_register): Remove "num" parameter, assign it within the
14890 (get_dump_file_name): Modify template for dumps.
14891 * tree-dump.h (dump_register): Adjust prototype.
14892 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14893 (PROP_trees): Add PROP_gimple_lomp.
14894 (TODO_set_props): New.
14895 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14896 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14897 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14899 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14901 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14902 (sparc64-*-linux*): Likewise.
14903 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14904 * config/sparc/t-linux: New file.
14905 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14906 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14907 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14908 -m32 -mlong-double-128.
14910 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14911 * config/alpha/t-linux: New file.
14912 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14914 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14915 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14916 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14917 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14918 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14919 (CPP_ARCH32_SPEC): Remove.
14921 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14923 PR tree-optimization/26145
14924 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14927 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14930 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14931 >= 240000 when generating code for SOM runtime.
14932 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14933 to $$dyncall when generating code for SOM runtime..
14935 2006-02-07 Dirk Mueller <dmueller@suse.com>
14938 * doc/invoke.texi (-Wsequence-point): Update documentation
14939 that -Wsequence-point is implemented for C++ as well.
14941 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14943 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14944 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14945 (LIB_SPEC): Likewise.
14946 * doc/invoke.texi (SPARC options): Document -pthread.
14948 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14950 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14953 2006-02-07 Roger Sayle <roger@eyesopen.com>
14955 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14956 Correct comment describing BOOLEAN_TYPE.
14958 2006-02-07 Dirk Mueller <dmueller@suse.com>
14960 * c.opt: C++ frontend supports -Wdiv-by-zero.
14961 * c-opts.c (c_common_handle_option): Remove dead case.
14963 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14965 * configure.ac (TLS assembler check): Do not enable TLS by
14966 default on SPARC/Solaris before version 10.
14967 * configure: Regenerate.
14969 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14971 * doc/invoke.texi (xl-compat): Document conversion and support
14974 2006-02-07 Jeff Law <law@redhat.com>
14976 * tree-vrp.c (find_conditional_asserts): Update comments.
14977 (simplify_stmt_for_jump_threading): New.
14978 (identify_jump_threads, finalize_jump_threads): New.
14979 (vrp_finalize): Call identify_jump_threads.
14980 (execute_vrp): Call finalize_jump_threads.
14981 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14982 (vrp_element, vrp_data, vrp_element_p): Remove.
14983 (vrp_hash_elt, vrp_variables_stack): Remove.
14984 (vrp_hash, vrp_eq, record_range): Remove.
14985 (simplify_cond_and_lookup_avail_expr): Remove.
14986 (extract_range_from_cond): Remove.
14987 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14988 (simplify_stmt_for_jump_threading): New.
14989 (dom_thread_across_edge): New wrapper.
14990 (tree_ssa_dominator_optimize): No longer initialize or
14991 finalize any of the VRP datastructures. Remove iteration
14992 step and simplify as a result of removal of iteration step.
14993 (pass_dominator): Perform a cfg cleanup after DOM.
14994 (dom_opt_finalize_block): Use the new common routines
14995 for threading jumps. Simplify stack management slightly.
14996 No longer need to unwind VRP state.
14997 (record_equivalences_from_incoming_edge): No longer record
14999 (eliminate_redundant_computations): No longer call
15000 simplify_cond_and_lookup_avail_expr.
15001 * tree-flow.h (potentially_threadable_block): Prototype.
15002 (thread_across_edge): Likewise.
15003 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15004 (tree-ssa-threadedge.o): Add dependencies.
15005 * tree-ssa-threadedge.c: New file.
15006 * passes.c (init_optimization_passes): Merge PHIs before
15007 calling VRP. Run VRP again late in the SSA optimization pipeline.
15009 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15011 * df-core.c (df_set_blocks): Do not dereference function pointers.
15012 (df_finish1): Likewise.
15013 (df_hybrid_search_forward): Likewise.
15014 (df_hybrid_search_backward): Likewise.
15015 (df_iterative_dataflow): Likewise.
15016 (df_analyze_problem): Likewise.
15017 (df_compact_blocks): Likewise.
15018 (df_dump): Likewise.
15019 * df-scan.c (df_rescan_blocks): Likewise.
15020 (df_record_entry_block_defs): Likewise.
15022 * genconditions.c (write_conditions): Guard the definition of
15023 'insn_conditions' with the check on GCC version.
15024 (write_writer): Guard the traversal 'insn_conditions' with
15025 the check on GCC version.
15027 2006-02-07 Richard Guenther <rguenther@suse.de>
15031 2006-01-30 Richard Guenther <rguenther@suse.de>
15033 * gimplify.c (gimplify_target_expr): Handle easy cases
15034 without creating a temporary.
15036 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15038 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15039 use of float in probability computations. Use edge probabilities
15040 in place of statically computed probabilities.
15041 (min_spec_prob): New static variable.
15042 (schedule_insns): Initialize it.
15043 (GET_SRC_PROB): Removed.
15044 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15046 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15049 * config/ia64/unwind-ia64.c: Revert last change.
15050 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15051 (INCOMING_FRAME_SP_OFFSET): Define.
15053 2006-02-06 Roger Sayle <roger@eyesopen.com>
15055 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15057 2006-02-07 Ben Elliston <bje@au.ibm.com>
15059 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15060 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15061 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15062 (ix86_return_in_memory): Handle TDmode.
15063 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15064 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15066 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15068 * reorg.c (dbr_schedule): Use dump_file instead of file.
15070 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15073 * config/ia64/predicates.md (extr_len_operand): New predicate.
15074 * config/ia64/ia64.md (extv): Tighten constraints.
15076 (*tbit_and_2): Ditto.
15077 (*tbit_and_3): Ditto.
15078 (*tbit_or_2): Ditto.
15079 (*tbit_or_3): Ditto.
15080 (*bit_zero): Ditto.
15083 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15086 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15088 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15090 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15091 loop_optimizer_init and loop_optimizer_finalize
15092 * tree-ssa-sink.c (execute_sink_code): Ditto.
15093 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15094 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15095 tree_ssa_loop_done): Ditto.
15096 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15097 * sched-ebb.c: Include output.h.
15098 (schedule_ebbs): Do not use dump argument.
15099 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15100 * loop.c (loop_dump_stream): Removed.
15101 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15103 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15104 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15105 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15106 loop_iterations, strength_reduce, record_biv, record_giv,
15107 final_giv_value, check_final_value, check_ext_dependent_givs,
15108 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15109 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15110 dump_file instead of loop_dump_stream.
15111 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15112 argument dump_file.
15113 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15115 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15116 * haifa-sched.c: Include output.h
15117 (schedule_insns, sched_init): Do not use dump argument.
15118 * mode-switching.c (optimize_mode_switching): Ditto.
15119 * modulo-sched.c (stats_file): Removed.
15120 (print_node_sched_params): Do not call argument dump_file.
15121 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15122 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15124 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15126 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15127 rtl_loop_init, rtl_loop_done): Ditto.
15128 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15129 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15131 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15132 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15133 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15134 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15135 * emit-rtl.c (renumber_insns): Ditto.
15136 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15137 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15138 * regclass.c (regclass): Ditto.
15139 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15140 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15141 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15142 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15144 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15145 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15147 * gcse.c (gcse_file, debug_stderr): Removed.
15148 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15149 rest_of_handle_gcse): Do not use dump argument.
15150 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15151 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15152 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15153 compute_code_hoist_vbeinout, compute_code_hoist_data,
15154 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15155 compute_store_table, build_store_vectors, insert_insn_start_bb,
15156 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15157 store_motion): Use dump_file instead of gcse_file.
15158 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15159 * profile.c (profile_dump_file): Removed.
15160 (branch_prob): Use dump_file instead of profile_dump_file.
15161 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15163 * tree-ssa-copy.c (dump_copy_of): Ditto.
15164 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15165 dump file to life_analysis.
15166 * bt-load.c (branch_target_load_optimize): Ditto.
15167 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15169 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15170 regclass, dbr_schedule): Declaration changed.
15171 * sched-int.h (sched_init): Declaration changed.
15172 * tree-profile.c (tree_profile_dump_file): Removed.
15173 (tree_profile_hooks): Removed profile_dump_file hook.
15174 * rtl-profile (rtl_profile_dump_file): Removed.
15175 (rtl_profile_hooks): emoved profile_dump_file hook.
15176 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15178 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15179 * tree-cfg.c (build_tree_cfg): Ditto.
15180 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15181 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15182 Declaration changed.
15183 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15184 life_analysis and schedule_insns.
15185 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15187 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15189 * config/mips/mips.c (mips_reorg): Ditto.
15190 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15193 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15195 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15196 (s390_mangle_fundamental_type): New.
15197 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15200 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15201 (alpha_mangle_fundamental_type): New.
15202 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15205 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15207 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15209 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15210 (sparc_mangle_fundamental_type): New.
15212 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15214 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15215 (s390x-*-linux*): Likewise.
15216 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15217 * config/s390/t-linux: New file.
15219 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15221 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15222 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15224 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15226 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15227 (ANTIC_SAFE_LOADS): New macro.
15228 (find_or_generate_expression): Add prototype.
15229 (set_contains_value): Allow null set for sake of not always having
15230 to allocate ANTIC_SAFE_LOADS.
15231 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15232 Allow COMPONENT_REF too.
15233 (valid_in_set): Allow COMPONENT_REF.
15234 Check ANTIC_SAFE_LOADS too.
15235 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15236 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15238 (can_PRE_operation): Add COMPONENT_REF.
15239 (create_component_ref_by_pieces): New function.
15240 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15241 (insert_aux): Move AGGREGATE_TYPE_P check here.
15242 (compute_avail): Set bb local stmt uids.
15243 (pass_pre): Use TODO_update_ssa_only_virtuals.
15245 2006-02-06 Ben Elliston <bje@au.ibm.com>
15247 * configure.ac: Unconditionally disable decimal float by default.
15248 * configure: Regenerate.
15250 2006-02-06 Ben Elliston <bje@au.ibm.com>
15252 * read-rtl.c (read_name): Terminate reading on EOF.
15254 2006-02-06 Ben Elliston <bje@au.ibm.com>
15256 * dfp.c (decimal_real_arithmetic): Change second argument type
15257 from int to enum tree_code. Do not always return true, but now
15258 return result of any call to decimal_do helper functions.
15259 * dfp.h (decimal_real_arithmetic): Update prototype.
15261 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15263 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15265 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15268 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15271 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15273 * tree-vrp.c (cfg_loops): Removed.
15274 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15275 Use current_loops instead of cfg_loops. Pass flags to
15276 loop_optimizer_init.
15277 * cfgloopmanip.c (fix_loop_structure): Update only available
15279 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15280 loop_optimizer_init.
15281 * modulo-sched.c (build_loops_structure): Removed.
15282 (sms_schedule): Use loop_optimizer_init.
15283 * loop-init.c (loop_optimizer_init): Use flags to determine
15284 which properties of loops to prepare.
15285 (rtl_loop_init): Pass flags to loop_optimizer_init.
15286 * tree-ssa-sink.c (execute_sink_code): Ditto.
15287 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15288 * tree-ssa-pre.c (init_pre): Ditto.
15289 * cfgloop.h (LOOPS_NORMAL): New.
15290 (loop_optimizer_init): Declaration changed.
15292 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15294 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15295 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15297 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15299 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15301 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15302 * pa/t-pa64: Delete quadlib.c rule.
15303 * pa/x-ada: Revert last change.
15304 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15306 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15308 PR rtl-optimization/26087
15309 * rtlanal.c (canonicalize_condition): Do not cross basic block
15312 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15315 * config/ia64/ia64.c: Include debug.h.
15316 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15317 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15318 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15319 (process_epilogue, process_set, process_for_unwind_directive):
15320 Output unwind info only if requested. Add CFA info if requested.
15321 Add new arguments as needed. Adjust callers.
15322 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15324 (DWARF2_FRAME_INFO): Define to zero.
15325 * config/ia64/unwind-ia64.c: Remove code that compensated for
15326 the CFA offset error fixed above.
15327 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15328 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15329 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15330 -funwind-tables and -fexceptions to enable frame info.
15331 (dwarf2out_frame_init): Define initial CFA even if
15332 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15333 DWARF2_UNWIND_INFO is nonzero, not just defined.
15334 (dwarf2out_frame_finish): Output non-EH call frame info only
15335 if DWARF2_FRAME_INFO is nonzero.
15336 (convert_cfa_to_loc_list,
15337 compute_frame_pointer_to_cfa_displacement): Define even if
15338 unwind info is not supported.
15339 (gen_subprogram_die): Use the above unconditionally. Remove
15340 legacy alternate code.
15341 * toplev.c (compile_file): Compile in call to
15342 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15343 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15345 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15346 Jakub Jelinek <jakub@redhat.com>
15348 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15349 IBM extended float format long double as "g" on powerpc*-linux.
15351 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15354 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15355 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15357 2006-02-03 Jason Merrill <jason@redhat.com>
15360 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15362 PR middle-end/25977
15363 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15364 on the return slot if it's an NRV.
15366 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15368 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15369 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15370 rewrite_use): Do not handle USE_OUTER.
15371 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15372 add_iv_outer_candidates, may_replace_final_value,
15373 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15374 (find_interesting_uses_op): Functionality of
15375 find_interesting_uses_outer_or_nonlin moved here.
15376 (find_interesting_uses_outside): Use find_interesting_uses_op.
15378 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15381 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15383 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15384 Ulrich Weigand <uweigand@de.ibm.com>
15387 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15388 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15389 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15390 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15392 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15393 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15394 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15395 Define secondary reloads for TFmode moves.
15396 (constant_modes): Add TFmode.
15397 (NR_C_MODES): Set to 8.
15398 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15400 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15401 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15402 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15403 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15404 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15405 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15406 (FPR mode macro): Add TFmode.
15407 (DSF mode macro): New.
15408 (<de>, <dee> mode attributes): Removed.
15409 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15410 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15411 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15412 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15413 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15414 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15415 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15416 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15417 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15418 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15419 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15420 "*negabs<mode>2", "sqrt<mode>2"):
15421 Changed <de> to <xde>. R constraint replaced by <Rf>.
15422 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15424 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15425 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15426 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15428 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15429 "extenddftf2", "extendsftf2"): New expanders.
15430 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15431 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15432 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15433 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15435 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15436 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15437 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15438 __floatditf): Add a GCC_4.1.0 symbol version tag.
15439 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15442 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15445 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15446 Use targetm.binds_local_p instead of TREE_PUBLIC.
15448 2006-02-02 Roger Sayle <roger@eyesopen.com>
15450 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15451 on INTEGER_TYPEs to indicate that it denotes a character type.
15452 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15453 signed_char_type_node, unsigned_char_type_node and char_type_node.
15454 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15455 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15456 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15458 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15459 Daniel Berlin <dberlin@dberlin.org>
15461 * tree-tailcall.c (arg_needs_copy_p): New function.
15462 (eliminate_tail_call): Use arg_needs_copy_p.
15463 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15464 (add_virtual_phis): New function.
15466 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15468 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15469 #ignore instead of #scratch for %g7 .register directive.
15471 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15473 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15476 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15478 * flow.c (calculate_global_regs_live): Assert that there aren't any
15481 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15483 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15484 what its name says.
15485 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15486 bsi_after_labels iterator.
15487 * tree-if-conv.c (find_phi_replacement_condition,
15488 replace_phi_with_cond_modify_expr): Likewise.
15489 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15490 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15492 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15494 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15496 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15499 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15500 array after growing it.
15502 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15504 PR middle-end/24901
15505 * fold-const.c (fold_checksum_tree): Change type of buf.
15507 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15509 * reload.c (push_secondary_reload): Initialize t_icode.
15511 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15513 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15514 -msoft-float -mlong-double-128 only issue a warning, but don't
15515 swich to DFmode long double.
15517 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15519 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15520 has a constant equivalent, iterate over equivalents for arg0,
15521 calling simplify_relational_operation and if there's a result
15522 cheaper than X, apply fold_rtx and return the result.
15524 2006-02-01 Jan Hubicka <jh@suse.cz>
15526 * opts.c (no_unit_at_a_time_default): New global variable.
15527 (decode_options): Use it.
15528 * opts.h (no_unit_at_a_time_default): Declare.
15530 2006-02-01 Paul Brook <paul@codesourcery.com>
15532 * function.c (assign_parm_setup_reg): Use function argument promotion
15534 * expr.c (expand_expr_real_1): Use function argument promotion rules
15537 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15539 * gcc.c (process_command): Change j to 'unsigned int'.
15541 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15543 PR middle-end/26001
15544 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15545 Use the corrected index for the character
15546 out of the string constant.
15548 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15550 * mode-switching.c (optimize_mode_switching): Fix size
15551 allocated for bb_info[n_entities].
15553 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15555 * gcc.c (main): Correct type that is allocated for
15556 explicit_link_files.
15558 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15560 * config/s390/s390.c (init_alignment_context): Set
15561 ALIAS_SET_MEMORY_BARRIER on the MEM.
15562 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15564 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15566 PR middle-end/25933
15567 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15569 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15572 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15574 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15575 * regrename.c: Ditto.
15576 * tree-ssa-loop-im.c: Ditto.
15577 * tree-dump.c: Ditto.
15578 * tree-complex.c: Ditto.
15579 * genrecog.c: Ditto.
15580 * tree-ssa-threadupdate.c: Ditto.
15582 * java/class.c: Ditto.
15583 * java/jcf-parse.c: Ditto.
15584 * java/resource.c: Ditto.
15585 * java/except.c: Ditto.
15586 * java/jvspec.c: Ditto.
15587 * java/jcf-write.c: Ditto.
15588 * java/jcf-path.c: Ditto.
15589 * java/gjavah.c: Ditto.
15590 * java/zextract.c: Ditto.
15591 * java/jcf-io.c: Ditto.
15592 * java/jcf.h: Ditto.
15593 * java/buffer.c: Ditto.
15594 * java/lang.c: Ditto.
15595 * java/parse-scan.y: Ditto.
15596 * java/lex.c: Ditto.
15597 * java/lex.h: Ditto.
15598 * cfgloopmanip.c: Ditto.
15599 * postreload-gcse.c: Ditto.
15600 * tree-ssa-loop-manip.c: Ditto.
15601 * postreload.c: Ditto.
15602 * tree-ssa-loop-ch.c: Ditto.
15605 * cppspec.c: Ditto.
15606 * diagnostic.c: Ditto.
15608 * genoutput.c: Ditto.
15610 * cfghooks.c: Ditto.
15611 * cfgloopanal.c: Ditto.
15612 * objc/objc-act.c: Ditto.
15614 * genextract.c: Ditto.
15615 * genautomata.c: Ditto.
15616 * pretty-print.c: Ditto.
15617 * genemit.c: Ditto.
15618 * cgraphunit.c: Ditto.
15620 * df-scan.c: Ditto.
15621 * haifa-sched.c: Ditto.
15622 * dominance.c: Ditto.
15624 * tree-ssa-loop-ivopts.c: Ditto.
15625 * df-core.c: Ditto.
15626 * mode-switching.c: Ditto.
15627 * modulo-sched.c: Ditto.
15629 * ipa-pure-const.c: Ditto.
15631 * fix-header.c: Ditto.
15633 * tree-stdarg.c: Ditto.
15634 * ipa-utils.c: Ditto.
15635 * loop-init.c: Ditto.
15636 * ipa-inline.c: Ditto.
15637 * cfganal.c: Ditto.
15639 * alloc-pool.c: Ditto.
15640 * dwarf2out.c: Ditto.
15642 * genattrtab.c: Ditto.
15643 * tree-ssa-loop-ivcanon.c: Ditto.
15644 * predict.c: Ditto.
15645 * timevar.c: Ditto.
15647 * fortran/gfortranspec.c: Ditto.
15648 * regmove.c: Ditto.
15649 * local-alloc.c: Ditto.
15650 * langhooks.c: Ditto.
15651 * function.c: Ditto.
15652 * tree-vectorizer.c: Ditto.
15654 * ipa-type-escape.c: Ditto.
15656 * tree-if-conv.c: Ditto.
15657 * profile.c: Ditto.
15659 * tree-data-ref.c: Ditto.
15660 * loop-unroll.c: Ditto.
15661 * treelang/treetree.c: Ditto.
15663 * bt-load.c: Ditto.
15664 * ggc-common.c: Ditto.
15666 * coverage.c: Ditto.
15668 * tree-cfgcleanup.c: Ditto.
15669 * tree-ssa-pre.c: Ditto.
15670 * cfgcleanup.c: Ditto.
15671 * loop-invariant.c: Ditto.
15672 * loop-iv.c: Ditto.
15673 * ipa-prop.c: Ditto.
15674 * print-tree.c: Ditto.
15675 * conflict.c: Ditto.
15676 * ggc-page.c: Ditto.
15677 * sched-deps.c: Ditto.
15678 * regclass.c: Ditto.
15679 * tree-object-size.c: Ditto.
15680 * combine.c: Ditto.
15681 * bb-reorder.c: Ditto.
15682 * resource.c: Ditto.
15683 * var-tracking.c: Ditto.
15684 * cfgloop.c: Ditto.
15685 * df-problems.c: Ditto.
15686 * reg-stack.c: Ditto.
15688 * gccspec.c: Ditto.
15689 * sched-rgn.c: Ditto.
15690 * tree-ssa-structalias.c: Ditto.
15691 * tree-ssa-reassoc.c: Ditto.
15692 * config/darwin-c.c: Ditto.
15693 * config/darwin.c: Ditto.
15694 * config/arm/arm.c: Ditto.
15696 * collect2.c: Ditto.
15697 * reload1.c: Ditto.
15699 2006-01-31 Nicolas Pitre <nico@cam.org>
15701 * arm.md (smaxsi3): Make aware of smax_m1.
15704 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15706 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15708 2006-01-31 Richard Guenther <rguenther@suse.de>
15710 * doc/invoke.texi (-msselibm): Document.
15711 * target.h (expand_library_builtin): New target hook.
15712 * builtins.c (expand_builtin): Use expand_library_builtin.
15713 (default_expand_library_builtin): New function.
15714 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15715 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15716 (link_gcc_math_spec): Declare.
15717 (static_specs): Add link_gcc_math_spec.
15718 * expr.h (default_expand_library_builtin): Declare.
15719 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15720 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15721 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15722 * config/i386/i386.opt (msselibm): New target option.
15723 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15724 (ix86_init_sse_abi_builtins): New function.
15725 (ix86_expand_library_builtin): Likewise.
15726 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15727 (override_options): Handle error conditions wrt -msselibm.
15728 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15729 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15730 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15733 2006-01-31 Richard Guenther <rguenther@suse.de>
15734 Paolo Bonzini <bonzini@gnu.org>
15736 * doc/install.texi (--disable-libgcc-math): Document.
15738 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15740 * expr.h (expand_normal): new inline function.
15741 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15742 * dojump.c: use it.
15743 * dwarf2out.c: use it.
15746 * expmed.c: use it.
15747 * except.c: use it.
15748 * config/sparc/sparc.c: use it.
15749 * config/i386/i386.c: use it.
15750 * config/rs6000/rs6000.c: use it.
15751 * config/arm/arm.c: use it.
15752 * config/mips/mips.c: use it.
15753 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15755 2006-01-30 Roger Sayle <roger@eyesopen.com>
15757 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15758 argv to the appropriate type.
15760 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15762 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15765 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15768 * config/s390/s390.c (struct machine_function): New flag
15769 decomposed_literal_pool_addresses_ok_p.
15770 (s390_reorg): Set it before final stage of literal pool transforms.
15771 (s390_decompose_address): Only accept displacements of the form
15772 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15774 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15776 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15777 the comparison routine return.
15779 2006-01-30 Michael Matz <matz@suse.de>
15781 * global.c (find_reg): Only evict for global regs.
15782 Take n_refs into account and dump more info.
15784 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15787 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15788 (pragma_trap, pragma_nosave_low_regs): Likewise.
15789 (current_function_anonymous_args): Likewise.
15790 (sh_deferred_function_attributes): New variable.
15791 (sh_deferred_function_attributes_tail): Likewise.
15792 (print_operand): For '@', look up trap_exit attribute.
15793 (calc_live_regs): Look up trapa_handler attribute. For trapa
15794 handlers, save/restore fpscr, but don't do any other
15795 interrupt-specific saves.
15796 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15797 Fix check for partially saved registers to check for SHmedia.
15798 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15799 (sh_output_function_epilogue): Don't clear any of the removed
15801 (sh_insert_attributes): Don't check pragma_interrupt.
15802 Insert deferred attributes. Check that interrupt attribute is
15803 present for other attributes that require its presence.
15804 (sh_attribute_table): Add new attributes trapa_handler and
15806 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15807 Don't check for pragma_interrupt. Don't store argument.
15808 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15809 (sh_deferred_function_attributes): Declare.
15810 (sh_deferred_function_attributes_tail): Likewise.
15811 * sh.md (sp_switch_1): Add operand. Change generator caller.
15812 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15813 (*return_i): Don't use when trap_exit attribute is in effect.
15814 (*return_trapa): New insn pattern.
15815 * sh-c.c: New file.
15816 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15817 setting c_target_objs and cxx_target_objs.
15818 * t-sh: Add rule for sh-c.o.
15820 2006-01-30 Richard Guenther <rguenther@suse.de>
15823 * gimplify.c (gimplify_target_expr): Handle easy cases
15824 without creating a temporary.
15826 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15828 * vec.h (safe_grow): Remove duplicated line.
15830 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15833 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15834 (expand_omp): ... here.
15835 (expand_omp_parallel): Only remove barriers for combined
15836 parallel+workshare constructs.
15838 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15842 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15843 * tree.c (build_qualified_type): Chain the new type to the original
15844 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15845 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15846 (build_pointer_type_for_mode): Only return unqualified types.
15847 (build_reference_type_for_mode): Likewise.
15849 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15851 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15852 * Makefile.in (CXX_COMPAT_WARN): Define.
15853 * configure: Regenerate.
15855 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15858 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15861 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15863 * toplev.c: Fix thinko.
15865 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15866 Marcin Dalecki <martin@dalecki.de>
15868 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15869 (push_srcloc): Use XNEW.
15870 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15872 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15874 * df-core.c (df_set_blocks): Deleted all variable.
15876 2006-01-28 Ian Lance Taylor <ian@airs.com>
15878 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15879 cgraph_output_pending_asms.
15881 2006-01-28 Zack Weinberg <zackw@panix.com>
15883 * c.opt: Add -W(no-)overlength-strings.
15884 * doc/invoke.texi: Document it.
15885 * c-opts.c (c_common_handle_option): -pedantic implies
15886 -Woverlength-strings, if not explicitly disabled already.
15887 (c_common_post_options): -Woverlength-strings defaults to off, and
15888 is always off for C++.
15889 * c-common.c (fix_string_type): Issue warning about strings longer
15890 than is portable only if warn_overlength_strings. Rearrange code
15891 a little for clarity.
15892 * configure.in: Check for -Wno-overlength-strings as well before
15893 enabling -pedantic in stage 1.
15894 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15895 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15897 * genconditions.c (write_header, write_one_condition)
15898 (write_conditions, write_writer): Consolidate very long strings
15899 that were broken up to fit in C89 portable limit. Don't use
15900 printf when fputs will do.
15902 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15904 * combine.c (simplify_comparison <AND>): Check
15905 TRULY_NOOP_TRUNCATION before start using a subreg.
15907 * config/mips/mips.md (*branch_zero<mode>,
15908 *branch_zero<mode>_inverted, *branch_equality<mode>,
15909 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15910 Remove mode check from comparisons.
15912 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15914 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15916 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15918 * expmed.c (const_mult_add_overflow_p): Remove.
15919 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15921 * recog.c (validate_replace_rtx_subexp): Remove.
15922 * recog.h: Remove the prototype for
15923 validate_replace_rtx_subexp.
15925 * integrate.h: Remove the prototype for
15926 copy_decl_for_inlining.
15927 * rtl.h: Remove the prototype for mark_constant_function.
15928 * tree-vectorizer.h: Remove the prototype for
15929 vect_strip_conversion.
15931 * modulo-sched.c (create_partial_schedule,
15932 free_partial_schedule, reset_partial_schedule): Make them
15935 * hooks.c (hook_bool_rtx_int_false): Remove.
15936 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15938 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15940 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15941 and -mlong-double-128 are incompatible.
15942 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15943 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15944 (TARGET_LIBGCC2_CFLAGS): Define.
15945 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15946 (TARGET_LIBGCC2_CFLAGS): Same.
15947 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15949 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15952 * c-typeck.c (build_binary_op): Perform implicit casts of
15953 operands before shortening them.
15955 * cfgloopmanip.c (split_loop_bb): Remove.
15956 * cfgloop.h: Remove the prototype for split_loop_bb.
15958 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15959 * cfgloop.h: Remove the prototype for
15960 flow_loop_outside_edge_p.
15962 * emit-rtl.c (init_virtual_regs): Make it static.
15963 * function.h: Remove the prototype for init_virtual_regs.
15965 * recog.c (peephole2_optimize): Make it static.
15966 * recog.h: Remove the prototype for peephole2_optimize.
15968 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15970 * df-scan.c (df_record_entry_block_defs): Check if
15971 INCOMING_RETURN_ADDR_RTX is defined.
15973 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15974 Kenneth Zadeck <zadeck@naturalbridge.com>
15976 PR rtl-optimization/24762
15977 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15978 * targhooks.c (hook_void_bitmap): New hook prototype.
15979 * targhoohs.h (hook_void_bitmap): Ditto.
15980 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15981 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15982 * target.h (live_on_entry): New function pointer.
15983 * df-scan.c (df_all_hard_regs): Removed.
15984 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15985 (df_scan_free_internal): Added df->entry_block_defs.
15986 (df_scan_alloc): Ditto.
15987 (df_scan_dump): Ditto.
15988 (df_uses_record): Plumbed flag field properly thru calls.
15989 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15990 This part fixes PR24762.
15991 (df_bb_refs_record): Added code to make the frame and arg
15992 pointers live in EH blocks.
15993 (df_refs_record): Added call to df_record_entry_block_defs.
15994 (df_record_entry_block_defs): New function.
15995 * df-core.c: Added comments to describe new artifical defs.
15996 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15997 (entry_block_defs): New field in struct df.
15998 (df_all_hard_regs): Deleted.
15999 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16000 * df-problems.c (df_ru_bb_local_compute_process_def):
16001 Added code to handle artifical defs in the entry to a function.
16002 (df_ru_bb_local_compute): Ditto.
16003 (df_rd_bb_local_compute_process_def): Ditto.
16004 (df_rd_bb_local_compute): Ditto.
16005 (df_lr_bb_local_compute): Ditto.
16006 (df_ur_bb_local_compute): Ditto.
16007 (df_urec_bb_local_compute): Ditto.
16008 (df_chain_create_bb): Ditto.
16009 (df_ur_local_finalize): Removed entry.
16010 (df_urec_init): Ditto.
16011 (df_urec_local_finalize): Ditto.
16012 (df_ri_bb_compute): Added detection of last use of pseudos.
16013 * Makefile.in (df-scan.o): Updated dependencies.
16014 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16015 * config/mips/mips.c (mips_set_live_on_entry): Added.
16016 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16018 * dce.c (marked_insn_p): Added code to handle artifical defs.
16020 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16022 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16024 (_mm_cvtsi128_si64): Likewise.
16025 (_mm_cvtsd_si64): Likewise.
16026 (_mm_cvttsd_si64): Likewise.
16027 (_mm_cvtsi64_sd): Likewise.
16028 (_mm_cvtsi64_si128): Likewise.
16029 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16030 (_mm_cvtsi64_m64): Likewise.
16031 (_m_to_int64): Likewise.
16032 (_mm_cvtm64_si64): Likewise.
16033 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16034 (_mm_cvttss_si64): Likewise.
16035 (_mm_cvtsi64_ss): Likewise.
16036 (_mm_cvtss_f32): Likewise.
16038 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16040 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16041 for pragma redefine_extname.
16043 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16046 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16047 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16048 -mno-minimal-toc to previous content.
16049 (bispecs): Remove goal.
16050 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16051 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16052 compatibility aliases on powerpc-*-*gnu*.
16053 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16054 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16055 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16056 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16057 (ldblspecs): New goal.
16058 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16059 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16061 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16062 L_sf_to_tf or L_df_to_tf is defined.
16064 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16065 Alan Modra <amodra@bigpond.net.au>
16068 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16069 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16070 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16071 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16072 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16073 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16074 (rs6000_override_options): Initialize rs6000_ieeequad.
16075 Initialize TFmode format to ibm_extended_format if not
16077 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16079 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16080 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16081 (function_arg_advance): IBM long double passed in two FPRs, not
16083 (function_arg): IBM long double passed in FPRs.
16084 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16085 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16086 Only multireg GPR aligned.
16087 (rs6000_init_libfuncs): Enable IBM long double functions if not
16089 (rs6000_generate_compare): Use IBM long double compare if not
16091 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16092 (TARGET_IEEEQUAD): Define.
16093 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16094 not TARGET_IEEEQUAD.
16095 * config/rs6000/rs6000.md: Enable TFmode patterns if
16097 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16098 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16099 and -mlong-double-128 are incompatible.
16100 * doc/invoke.texi (-mabi): Collect options together. Add
16101 ibmlongdouble and ieeelongdouble.
16103 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16105 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16107 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16108 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16109 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16110 * rtl.h (rtunion_def): Remove rt_ptr.
16112 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16113 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16114 * config/i386/winnt.c (i386_pe_mark_dllexport)
16115 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16117 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16119 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16121 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16125 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16126 pthread_key_delete. From John David Anglin. gthrw-ify
16127 pthread_getunique_np only if it it's not a macro. Delete
16129 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16130 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16131 __gthread_objc_condition_signal, __gthread_key_delete): Add
16132 "__attribute__ ((__unused__))" to unused arguments.
16133 (__gthread_recursive_mutex_init_function): Add missing return.
16134 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16135 gthr-posix95.h: Use macro-based approach for name redirection
16136 on targets missing weakref.
16138 2006-01-26 Zack Weinberg <zackw@panix.com>
16140 * genconditions.c (write_header): In generated code, #ifdef out
16141 all includes and fake declarations, except includes of bconfig.h
16142 and system.h, unless GCC_VERSION >= 3001. Do not include
16143 gensupport.h in any case.
16144 (write_conditions): Generate a definition of struct c_test. Add
16145 a comment to the generated #endif.
16146 (write_one_condition): Escape backslashes in string too.
16147 (write_writer): Generated code must escape backslashes and quote
16148 marks (but not newlines) in the strings it writes.
16149 * Makefile.in (build/gencondmd.o): Update dependencies.
16151 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16154 * Makefile.in (insn-automata.o): Add header file dependencies.
16155 * genautomata.c: Add includes.
16157 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16160 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16162 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16164 * configure.ac: Expect target tools paths to be passed from the toplevel
16165 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16167 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16169 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16172 * c.opt (Wpointer-sign): Init to -1.
16173 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16174 OPT_pedantic, to 0 otherwise.
16175 * doc/invoke.texi: Update.
16177 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16179 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16180 constants provided by 80387 instructions in the destination mode.
16182 2006-01-26 Richard Guenther <rguenther@suse.de>
16183 Andrew Pinski <pinskia@physics.uc.edu>
16186 partial PR tree-opt/17064
16187 * tree-ssa-structalias.c (intra_create_variable_infos):
16188 Create heap variables for incoming parameters if
16189 flag_argument_noalias > 1.
16190 (find_what_p_points_to): Look through default defs of
16193 2006-01-26 Jeff Law <law@redhat.com>
16196 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16197 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16198 within the VR_RANGE, use the VR_RANGE as the result, not the
16200 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16201 bounds for the type.
16203 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16205 * tree-ssa-alias.c (maybe_create_global_var): Change
16206 subvar walking to an assertion that we don't have subvar'd variables.
16208 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16211 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16212 Use a new variable, inner. PARM_DECLs are always non-weak.
16214 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16216 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16217 --disable-checking.
16219 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16221 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16223 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16225 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16226 (smax_insn, smin_insn, smax_0, smin_0): New.
16228 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16231 * config/cris/cris.c (cris_order_for_addsi3): New function.
16232 * config/cris/cris-protos.h: Prototype it.
16233 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16234 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16235 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16236 (split for "op.S1 [rx=rx+i],ry (swapped)")
16237 (split for "op(s|u).S1 [rx=rx+i],ry")
16238 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16239 Apply cris_order_for_addsi3 when generating addsi3 insns.
16241 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16243 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16244 (TREE_BLOCK): Add call to EXPR_CHECK.
16246 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16249 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16250 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16251 (dump_omp_clauses): ... here.
16252 (dump_generic_node): Handle OMP_CLAUSE.
16253 * tree.c (omp_clause_num_ops): New.
16254 (omp_clause_code_name): New.
16255 (tree_code_size): Handle OMP_CLAUSE.
16256 (tree_size): Likewise.
16257 (make_node): Document handling of OMP_CLAUSE.
16258 (tree_node_structure): Handle OMP_CLAUSE.
16259 (omp_clause_check_failed): New.
16260 (omp_clause_range_check_failed): New.
16261 (omp_clause_operand_check_failed): New.
16262 (build_omp_clause): New.
16263 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16264 * tree.h (enum omp_clause_code): Declare.
16265 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16266 (OMP_CLAUSE_RANGE_CHECK): Define.
16267 (OMP_CLAUSE_ELT_CHECK): Define.
16268 (omp_clause_check_failed): Declare.
16269 (omp_clause_operand_check_failed): Declare.
16270 (omp_clause_range_check_failed): Declare.
16271 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16272 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16273 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16274 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16275 (OMP_CLAUSE_IF_EXPR): Likewise.
16276 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16277 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16278 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16279 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16280 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16281 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16282 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16283 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16284 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16285 (OMP_CLAUSE_CODE): Define.
16286 (OMP_CLAUSE_SET_CODE): Define.
16287 (OMP_CLAUSE_CODE): Define.
16288 (OMP_CLAUSE_OPERAND): Define.
16289 (struct tree_omp_clause): Declare.
16290 (union tree_node): Add field 'omp_clause'.
16291 * treestruct.def (TS_OMP_CLAUSE): Define.
16292 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16293 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16294 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16295 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16296 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16297 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16298 (OMP_CLAUSE): Define.
16299 * print-tree.c (print_node): Handle OMP_CLAUSE.
16300 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16301 * c-typeck.c: Likewise.
16302 * gimplify.c: Likewise.
16303 * c-omp.c: Likewise.
16304 * tree-nested.c: Likewise.
16305 * tree-inline.c: Likewise.
16306 * c-parser.c: Likewise.
16307 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16310 2006-01-25 Roger Sayle <roger@eyesopen.com>
16312 PR rtl-optimization/25703
16313 * combine.c (try_combine): Handle zero_extract and strict_low_part
16314 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16316 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16318 * global.c: Fix comment typos.
16320 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16323 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16324 Use output_addr_const instead of assemble_name.
16326 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16328 * Makefile.in (sched-vis.o): Update dependencies.
16329 * haifa-sched.c (sched_finish): Clear current_sched_info.
16330 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16331 (dump_flow_info): Call it.
16332 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16334 * basic-block.h (dump_bb_info): Declare.
16335 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16336 option, and apply options only for dump files whose TDF_RTL,
16337 TDF_TREE, or TDF_IPA bits match.
16338 * rtl.h: Declare new functions exported from sched-vis.c.
16339 * sched-vis.c: Enable also if scheduling is not used.
16340 (print_value): Print the mode of registers if not inside scheduling.
16341 (print_insn): Make it work outside the scheduler. Beautify the output
16343 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16345 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16347 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16348 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16349 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16350 depending on the value of CONSTANT_POOL_ADDRESS_P.
16351 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16353 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16354 rather than SYMBOL_REF_DECL.
16355 (rtx_constant_pool): Remove const_rtx_sym_htab.
16356 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16357 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16358 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16359 Remove handling of const_rtx_sym_htab.
16360 (find_pool_constant): Delete.
16361 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16362 rather than find_pool_constant.
16363 (get_pool_constant_for_function): Delete.
16364 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16365 find_pool_constant.
16366 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16367 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16368 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16369 (SYMBOL_REF_CONSTANT): New macro.
16370 (get_pool_constant_for_function): Delete.
16371 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16372 rather than SYMBOL_REF_DECL.
16373 (i386_pe_mark_dllimport): Likewise.
16374 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16375 rather than SYMBOL_REF_DECL.
16376 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16377 (machopic_indirect_call_target): Likewise.
16379 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16381 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16383 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16385 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16387 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16389 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16391 2006-01-24 David Daney <ddaney@avtrex.com>
16394 * configure.ac (enable_tls): New enable option.
16395 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16396 * configure: Regenerate.
16397 * doc/install.texi (--enable-tls): Document new option.
16398 (--disable-tls): Ditto.
16400 2006-01-24 Richard Henderson <rth@redehat.com>
16402 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16403 * alias.c (true_dependence): Respect it.
16404 (canon_true_dependence, write_dependence_p): Likewise.
16405 * builtins.c (get_builtin_sync_mem): Set it.
16407 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16409 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16412 2006-01-24 DJ Delorie <dj@redhat.com>
16414 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16415 for storing constants in single-bit bitfields.
16417 2006-01-25 Ben Elliston <bje@au.ibm.com>
16419 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16421 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16424 * tree-ssa-pre.c (phi_translate): Return NULL
16425 for AGGREGATE_TYPE's.
16427 2006-01-24 Zack Weinberg <zackw@panix.com>
16429 * genautomata.c (process_state_for_insn_equiv_partition):
16430 Use xcalloc for insn_arcs_array.
16431 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16432 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16434 2006-01-24 Richard Henderson <rth@redhat.com>
16436 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16437 update all callers.
16439 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16441 PR rtl-optimization/25890
16442 PR rtl-optimization/25905
16443 * combine.c (expand_compound_operation, expand_field_assignment):
16444 Fail if the bitfield's final position is out of bounds.
16446 2006-01-24 Ian Lance Taylor <ian@airs.com>
16448 PR middle-end/25930
16449 * cgraphunit.c (cgraph_output_in_order): Don't clear
16450 cgraph_asm_nodes until after asm strings have been output.
16452 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16454 * fix-header.c (read_scan_file): Add new parameter imultilib when
16455 calling register_include_chains.
16457 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16459 * omp-low.c: Update documentation.
16461 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16462 Daniel Berlin <dberlin@dberlin.org>
16466 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16467 return from the function.
16469 2006-01-22 Zack Weinberg <zackw@panix.com>
16471 * rtl.def (match_code): Add second argument.
16472 * genpreds.c (write_extract_subexp): New function.
16473 (write_match_code): Add path argument. Use write_extract_subexp.
16474 (write_predicate_expr): Pass path to write_match_code.
16475 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16476 not perform a mode test.
16477 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16478 a subexpression does not constrain the top-level code set.
16479 * read-rtl.c (read_rtx_variadic): New function.
16480 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16481 * doc/md.texi: Document new notation.
16482 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16483 (cmpsi_operand): ... here, using new notation.
16485 2006-01-22 Zack Weinberg <zackw@panix.com>
16487 * varray.c: Remove GENERATOR_FILE #ifdefs.
16489 2006-01-22 Zack Weinberg <zackw@panix.com>
16491 * genautomata.c (output_reserved_units_table): Emit nothing if
16492 description->query_units_num is zero. Remove extra blank line.
16493 (output_cpu_unit_reservation_p): Short circuit
16494 if description->query_units_num is zero.
16496 2006-01-22 Zack Weinberg <zackw@panix.com>
16498 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16499 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16500 nor any of the random handful of variables that used to be necessary
16501 when this program was linked with rtlanal.o. Prune set of forward
16502 function declarations.
16503 (struct attr_desc): Remove static_p field.
16504 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16505 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16506 (attr_string): Do not read the character one past the length of
16508 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16509 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16510 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16511 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16512 (make_automaton_attrs): New.
16513 (main): Do not call into genautomata. Call local gen_bypass
16514 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16515 Remove special case for insn_alts.
16516 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16517 varray.h (leftover from previous change). Prune set of forward
16518 function declarations. Remove state_alts fields from all
16519 structures. Remove state_alts_table from struct automaton.
16520 Make everything except main static. Do not maintain num_dfa_decls.
16521 Do not maintain state_alts fields of various structures.
16522 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16523 (add_arc): Remove state_alts argument. All callers updated.
16524 (output_reserved_units_table): Emit #ifdef here...
16525 (output_tables): ...not here. Don't generate state_alts tables.
16526 (expand_automata): Don't generate attributes.
16527 (write_automata): Don't generate state_alts functions.
16528 (main): New function.
16529 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16530 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16531 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16532 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16533 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16534 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16535 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16536 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16538 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16539 * genattrtab.h: Delete file.
16540 * Makefile.in (OBJS-common): Add insn-automata.o.
16541 (insn-automata.o): New rule.
16542 (simple_generated_c): Add insn-automata.c.
16543 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16544 (genprogmd): Add automata.
16545 (build/genattrtab): Needs no extra objects nor libraries.
16546 (build/genautomata): Needs build/vec.o and -lm.
16548 2006-01-22 Zack Weinberg <zackw@panix.com>
16550 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16551 (output_dfa_max_issue_rate, locked_states_num): Delete.
16552 (struct automaton): Add locked_states field.
16553 (output_dead_lock_vect): Save number of locked states in
16554 automaton->locked_states. If it is zero, don't print anything.
16555 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16556 (output_internal_dead_lock_func): Only test the dead_lock_vect
16557 for automata that have locked states.
16558 (output_statistics): Always print the number of locked states for
16559 each automaton. Calculate total number of locked states here.
16560 (write_automata): Don't call output_dfa_max_issue_rate.
16561 * genattrtab.c: Define length_unit_log as a const variable.
16562 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16563 max_insn_queue_index const.
16564 * final.c (length_unit_log): Declare const.
16565 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16567 2006-01-22 Zack Weinberg <zackw@panix.com>
16569 * genautomata.c: Include vec.h, not varray.h.
16570 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16571 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16572 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16573 VEC_* macros operating on appropriately typed vectors, or to
16574 malloced arrays when the size is known in advance. Const-ify
16575 many char* variables and function arguments. No functional changes.
16576 * Makefile.in (build/varray.o): Delete rule.
16577 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16578 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16580 2006-01-22 Zack Weinberg <zackw@panix.com>
16582 * gensupport.c: Define get_insn_name and record_insn_name here.
16583 (read_md_rtx): Call record_insn_name as appropriate.
16584 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16585 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16586 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16588 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16589 (BUILD_VARRAY): Delete.
16590 (genprognormal): Rename genprogmd. Fold in all programs from
16591 genprognoprint; also attrtab.
16592 (build/genattrtab): Just mention genautomata.o and varray.o.
16593 Reorganize a bit, add comments to make the categories clearer.
16595 2006-01-22 Zack Weinberg <zackw@panix.com>
16597 * genconditions.c (condition_table, add_condition): Delete.
16598 (write_conditions): Don't emit n_insn_conditions nor
16599 insn_elision_unavailable. Issue the gcc version #ifdef here,
16600 inside the table, with no #else clause ...
16601 (write_header): ...not here.
16602 (write_writer): New function.
16603 (main): Don't initialize condition_table. Use add_c_test.
16605 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16606 files on the command line.
16607 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16608 Return -1 if there is no entry in the table, don't abort.
16609 (add_c_test, traverse_c_tests): New functions.
16610 * gensupport.h (insn_elision_unavailable, insn_conditions)
16611 (n_insn_conditions): Delete declarations.
16612 (add_c_test, traverse_c_tests): Declare.
16613 * read-rtl.c: Include gensupport.h.
16614 (read_conditions): New function.
16615 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16616 (read_rtx_1): If we get EOF when we were looking for an initial
16617 open paren, return 0. Call read_conditions when appropriate.
16618 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16619 dummy-conditions.o. Eliminate references to insn-conditions.o,
16620 or change them to build/gencondmd.o, as appropriate. Remove
16621 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16622 from $(simple_generated_c). For all files remaining in those
16623 two lists, add insn-conditions.md to the generator command line.
16624 Give insn-constants.h/s-constants their own rules. Add rules
16625 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16626 (build/read-rtl.o): Depend on gensupport.h.
16627 (genprognormal): Include preds.
16628 (genprogearly): Rename genprognoprint; only difference is now that
16629 they don't link with $(BUILD_PRINT).
16630 * dummy-conditions.c: Delete.
16632 2006-01-22 Zack Weinberg <zackw@panix.com>
16634 * genextract.c: Don't include insn-config.h. Do include vec.h.
16635 Declare vectors of int, char, and locstr.
16636 (locstr): New typedef.
16637 (struct extraction): Make all array fields into bare pointers.
16638 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16639 (insn_code_number): Delete.
16640 (accum_extract): New struct.
16641 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16642 (gen_insn): Take insn_code_number as an argument. Use an
16643 accum_extract structure instead of loading data directly into
16644 a struct extraction, and having to know how big it might get.
16645 (walk_rtx): Operate entirely on an accum_extract structure.
16646 (print_path): Avoid unnecessary use of printf.
16647 (print_header): New function, split out of main. Distinguish
16648 more carefully between an unrecognizable insn and an insn that
16649 has the code number of a define_expand.
16650 (main): Pass insn_code_number to gen_insn. Call print_header
16651 only after parsing. Avoid unnecessary use of printf.
16652 * Makefile.in (build/vec.o): New rule.
16653 (build/genextract): Depend on build/vec.o.
16654 (build/genextract.o): Don't depend on insn-config.h.
16656 2006-01-22 Zack Weinberg <zackw@panix.com>
16658 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16659 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16660 practical. Eliminate per-generator-program link rules.
16662 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16664 PR middle-end/24437
16665 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16666 with a call expr to ...
16667 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16669 2006-01-23 Richard Guenther <rguenther@suse.de>
16671 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16672 before make_edge with conditional EDGE_TRUE_VALUE.
16674 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16675 Jan Hubicka <jh@suse.cz>
16676 Richard Guenther <rguenther@suse.de>
16678 PR rtl-optimization/25654
16679 * cfgexpand.c (aggregate_contains_union_type): New function.
16680 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16681 for structure variables that contain a union type.
16683 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16685 * gengtype.c (new_structure): Return the structure.
16686 (create_option): Add an extra "next" argument.
16687 (create_field): New function.
16688 (adjust_field_rtx_def): Use create_option and create_field.
16689 Remove a now-unnecessary call to find_structure.
16690 (adjust_field_tree_def): Likewise.
16691 (note_yacc_type): Remove an unnecessary call to find_structure.
16692 * gengtype.h (new_structure): Return the structure.
16693 (create_option): Add an extra argument.
16694 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16695 (option): Adjust calls to create_option.
16697 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16699 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16701 2006-01-22 Paul Brook <paul@codesourcery.com>
16702 Peter Barada <peter@the-baradas.com>
16704 * config/m68k/m68k.md: Add Coldfire FPU support.
16705 Define FP mode macro and associated attributes.
16706 Use it for float mode patterns.
16707 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16708 (LIBCALL_VALUE): Use m68k_libcall_value.
16709 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16710 (m68k_function_value): Ditto.
16711 (emit_move_sequence): Ditto.
16712 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16713 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16714 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16715 (MULTILIB_EXCEPTIONS): Ditto.
16716 * config/m68k/m68k.opt: Add mcfv4e.
16717 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16718 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16719 (m68k_output_function_prologue): Save ColdFire FPU registers.
16720 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16721 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16722 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16723 ColdFire FPU registers.
16724 (m68k_libcall_value, m68k_function_value): New functions.
16725 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16726 (LIBCALL_VALUE): Use m68k_libcall_value.
16727 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16728 (MASK_COLDFIRE): Add MASK_CFV4E.
16729 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16730 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16731 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16732 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16733 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16734 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16735 * doc/invoke.tex: Document -mcfv4e on m68k.
16737 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16739 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16742 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16745 * c-opts.c (c_common_handle_option): Don't include
16746 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16747 * doc/invoke.texi (C++ Dialect Options): Document that
16748 -Wnon-virtual-dtor is no longer included in -Wall.
16750 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16752 * gcov.c (print_version), gcov-dump.c (print_version),
16753 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16756 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16758 * df-scan.c (problem_SCAN): Added NULL reset function.
16759 (df_scan_reset_blocks): Added code to call reset block function
16760 (df_bb_refs_delete) Fixed comment.
16761 (df_insn_refs_delete): Made tolerant of deleting non existent info
16762 for dataflow problems that need to be reset.
16763 * df-core.c (df_set_blocks): Ditto.
16764 * df.h (struct df_problem): Added reset_fun.
16765 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16766 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16767 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16768 functions to clear out all references to def-use or use-def chains.
16770 2006-01-21 Ben Elliston <bje@au.ibm.com>
16772 * varasm.c (assemble_real): Initialise data array.
16774 2006-01-20 Paul Brook <paul@codesourcery.com>
16776 Merge from csl-arm-branch.
16777 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16778 * config/arm/arm.md (movdi): Force operands[1] to a register
16779 if we have a non-register source.
16780 (*arm_movdi, *movdf_soft_insn): Require that one of the
16781 operands be a register.
16782 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16783 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16785 2006-01-20 DJ Delorie <dj@redhat.com>
16787 * varasm.c (initializer_constant_valid_p): Allow pointers
16788 initialized from integer constants of lesser precision.
16789 (output_constant): Allow non-int-sized pointer modes to be
16790 initialized from integer constants.
16792 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16795 * cppdefault.h (struct default_include): Add multilib flag.
16796 * cppdefault.c (cpp_include_defaults): Set it.
16797 * c.opt (-imultilib): New option.
16798 * c-opts.c (imultilib): New.
16799 (c_common_handle_option): Handle -imultilib.
16800 (c_common_post_options): Likewise.
16801 * c-incpath.c (add_standard_paths, register_include_chains):
16803 * c-incpath.h (register_include_chains): Add extra parameter.
16804 * gcc.c (do_spec_1): Generate -imultilib option.
16805 (The Specs Language): Update %I description.
16806 (process_command): Update copyright notice.
16807 * doc/cppopts.texi (-imultilib): Document.
16808 * doc/invoke.texi (-imultilib): Include in option summary.
16809 (%I): Update specs documentation.
16811 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16813 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16815 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16817 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16820 2006-01-20 Richard Guenther <rguenther@suse.de>
16821 Steven Bosscher <stevenb.gcc@gmail.com>
16823 PR rtl-optimization/24626
16824 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16825 EDGE_TRUE_VALUE if in RTL mode.
16828 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16829 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16831 2006-01-20 Dirk Mueller <dmueller@suse.com>
16834 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16835 instead of a special NOP marker.
16836 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16837 NOP marker handling.
16838 * c-common.h (empty_body_warning): Add forward declaration.
16839 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16840 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16842 2006-01-20 Paul Brook <paul@codesourcery.com>
16844 * Makefile.in (lang_checks): Keep going if mkdir fails.
16846 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16848 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16849 be able to clean out basic block when not necessary.
16850 (df_scan_free): Fixed to properly delete information if df is
16851 unused before calling df_finish.
16852 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16853 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16855 (df_bb_refs_delete): New function.
16856 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16857 * df-core.c (df_set_blocks): Added code to properly clean out
16858 unused blocks if they are not part of the blocks to consider.
16859 Added additional null check.
16860 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16861 be able to clean out basic block when not necessary
16862 * df.h (df_free_bb_function): Ditto.
16863 (df_bb_refs_delete): New function.
16864 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16865 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16866 basic block parameter to be able to clean out basic block when not
16868 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16869 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16870 Fixed to properly delete information if df is unused before
16873 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16875 PR rtl-optimization/25799
16876 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16877 Corrected confluence operator to remove bits from op2 before oring
16878 with op1 rather than removing bits from op1.
16879 (df_ru_transfer_function): Corrected test on wrong bitmap which
16880 caused infinite loop. Both of these problems were introduced in
16881 the dataflow rewrite.
16883 2006-01-19 DJ Delorie <dj@redhat.com>
16885 * reload1.c (find_reload_regs): Note the details of reload
16886 failures in the dump file.
16887 (spill_failure): Likewise.
16889 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16891 * loop-iv.c: Include df.h and hashtab.h.
16892 (enum iv_grd_result): New enum.
16893 (DF_REF_IV, DF_REF_IV_SET): New macros.
16894 (struct biv_entry): New.
16895 (df, bivs): New global variables.
16896 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16897 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16899 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16900 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16901 analyzed_for_bivness_p, record_biv): New functions.
16902 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16903 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16904 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16906 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16908 (iv_number_of_iterations): Use new interface to iv analysis.
16909 * loop-unroll.c: Do not include varray.h.
16910 (analyze_iv_to_split_insn): Use new interface to iv
16912 * loop-unswitch.c (may_unswitch_on): Ditto.
16913 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16915 (df_bb_modify): Realloc tables to the new index.
16916 (df_find_use): New function.
16917 * df.h (df_find_use): Declare.
16918 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16920 * cfgloop.h (struct rtx_iv): Remove analysed field.
16921 (iv_get_reaching_def): Removed.
16922 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16923 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16924 (loop-iv.o): Add df.h and hashtab.h dependency.
16925 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16927 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16930 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16932 (__floatundisf, __floatundidf): Likewise.
16933 * libgcc2.h (IS_IBM_EXTENDED): Define.
16935 2006-01-19 DJ Delorie <dj@redhat.com>
16937 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16939 2006-01-19 Paul Brook <paul@codesourcery.com>
16941 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16942 as nothrow when unwinding tables are disabled.
16944 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16947 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16948 of bit-field" when in system header.
16950 2006-01-19 DJ Delorie <dj@redhat.com>
16952 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16953 the 16 bit shift limit of the m16c.
16955 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16958 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16959 * config/i386/i386.c (output_set_got): Output the label if we have one
16960 for the TARGET_DEEP_BRANCH_PREDICTION case.
16962 2006-01-19 Jan Hubicka <jh@suse.cz>
16963 H.J. Lu <hongjiu.lu@intel.com>
16964 Evandro Menezes <evandro.menezes@amd.com>
16966 * invoke.texi (generic): Document
16968 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16969 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16970 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16971 (x86_use_incdec, x86_pad_returns): New variables
16972 (TARGET_CPU_DEFAULT_generic): New constant
16973 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16974 (enum processor_type): Add generic32 and generic64.
16975 * i386.md (cpu attribute): Add generic32/generic64
16976 (movhi splitter): Behave sanely when both partial_reg_dependency and
16977 partial_reg_stall are set.
16978 (K8 splitters): Enable for generic as well.
16979 * predicates.md (incdec_operand): Use TARGET_INCDEC
16980 (aligned_operand): Avoid memory mismatch stalls.
16981 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16982 * ppro.md: Enable for generic32
16983 * i386.c (generic64_cost, generic32_cost): New.
16984 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16985 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16986 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16987 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16988 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16989 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16990 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16991 x86_accumulate_outgoing_args, x86_prologue_using_move,
16992 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16993 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16994 Enable for generic.
16995 (x86_use_incdec, x86_pad_returns): New.
16996 (override_options): Add generic32 and generic64, translate "generic"
16997 to generic32/generic64 and "i686" to "generic32", refuse
16998 "generic32"/"generic64" as arch target.
16999 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17000 (ix86_reorg): Honor PAD_RETURNS.
17002 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17004 * tree-pretty-print.c (dump_generic_node): Handle
17005 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17006 * cgraph.c (cgraph_expand_queue): Rename from
17007 cgraph_analyze_queue. Update all users.
17008 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17009 cgraph_expand_queue.
17010 (cgraph_expand_all_functions): Likewise.
17011 (cgraph_finalize_pending_functions): Remove. Update callers.
17013 * tree.h (OMP_DIRECTIVE_P): Define.
17014 (OMP_PARALLEL_FN): Define.
17015 (OMP_PARALLEL_DATA_ARG): Define.
17016 (OMP_SECTIONS_SECTIONS): Define.
17017 * tree-pass.h (pass_expand_omp): Declare.
17018 * omp-low.c (struct omp_region): Declare.
17019 (struct omp_context): Remove fields 'parallel_type',
17020 'parallel_start_ix' and 'parallel_start_additional_args'.
17022 (struct omp_for_data): Rename from struct expand_omp_for_data.
17023 (omp_regions): New static variable.
17024 (root_omp_region): New static variable.
17025 (find_omp_clause): Make static.
17026 (is_in_combined_parallel_ctx): Remove.
17027 (is_combined_parallel): New.
17028 (extract_omp_for_data): Move earlier in the file.
17029 (workshare_safe_to_combine_p): New.
17030 (get_ws_args_for): New.
17031 (determine_parallel_type): Move earlier in the file.
17032 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17034 (omp_copy_decl): Likewise.
17035 (create_omp_child_function): Likewise.
17036 (lookup_omp_region): New.
17037 (dump_omp_region): New.
17038 (debug_omp_region): New.
17039 (debug_all_omp_regions): New.
17040 (new_omp_region): New.
17041 (scan_omp_parallel): If parallel_nesting_level > 1, the
17042 directive is nested within another parallel directive.
17043 Set OMP_PARALLEL_FN.
17044 (scan_omp_for): Do not try to handle combined parallel+for
17046 Remove FIXME comment.
17047 (scan_omp_nested): Remove.
17048 (scan_omp_1): Do not call scan_omp_nested when
17049 parallel_nesting_level is > 1.
17050 Do not change the DECL_CONTEXT of local variables found.
17051 (lookup_decl_in_outer_ctx): New.
17052 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17053 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17054 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17055 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17056 If CTX is nested, lookup VAR in the outer context when
17057 building copy assignment.
17058 (lower_send_clauses): Rename from expand_send_clauses.
17059 If CTX is nested, lookup VAR in the outer context when
17060 building copy assignments.
17061 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17062 If CTX is nested, lookup VAR in the outer context when
17063 building copy assignments.
17064 (expand_parallel_call): Rename from build_parallel_call.
17065 Handle combined parallel+workshare cases.
17066 Re-implement to emit code into the CFG.
17068 (expand_omp_parallel): Re-implement to emit code into the CFG.
17069 Call move_sese_region_to_fn to outline the sub-graph
17070 containing the parallel region.
17071 (expand_omp_for_1): Remove.
17072 (expand_omp_for_generic): Re-implement to emit code into the
17074 (expand_omp_for_static_nochunk): Likewise.
17075 (expand_omp_for_static_chunk): Likewise.
17076 (expand_omp_for): Likewise.
17077 (expand_omp_sections): Likewise.
17078 (remove_exit_barriers): New.
17079 (expand_omp_synch): New.
17081 (build_omp_regions_1): New.
17082 (build_omp_regions): New.
17083 (execute_expand_omp): New.
17084 (gate_expand_omp): New.
17085 (pass_expand_omp): Define.
17086 (lower_omp_sections): Rename from expand_omp_sections.
17087 Set OMP_SECTIONS_SECTIONS.
17088 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17089 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17090 (lower_omp_single): Rename from expand_omp_simple.
17091 (lower_omp_master): Rename from expand_omp_master.
17092 (lower_omp_ordered): Rename from expand_omp_ordered.
17093 (lower_omp_critical): Rename from expand_omp_critical.
17094 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17095 (lower_omp_for): Re-implement.
17096 (lower_omp_parallel): Re-implement.
17097 (lower_regimplify): Rename from expand_regimplify.
17098 (lower_omp_1): Rename from expand_omp_1.
17099 If there are syntax errors in the program, replace every
17100 OpenMP directive with NOP.
17101 Call lower_omp_* instead of expand_omp_*.
17102 (lower_omp): Rename from expand_omp.
17104 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17105 * tree-gimple.h (enum omp_parallel_type): Remove.
17106 (gimple_boolify): Declare extern.
17107 (find_omp_clause, determine_parallel_type): Remove.
17109 * gimple-low.c (lower_omp_directive): New.
17110 (lower_stmt): Call it.
17111 (record_vars_into): Move from ...
17112 (record_vars): ... here.
17113 Call record_vars_into with current_function_decl.
17115 * gimplify.c (struct gimplify_ctx): Remove fields
17116 combined_pre_p and combined_ctxp. Update users.
17117 (get_formal_tmp_var): Add documentation.
17118 (gimple_boolify): Make extern.
17119 (gimplify_expr_in_ctx): Remove. Update callers.
17120 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17121 will always be a BIND_EXPR.
17122 (gimplify_expr): Handle OMP_RETURN_EXPR.
17123 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17124 (OMP_PARALLEL): Add 3 operands.
17125 (OMP_SECTIONS): Add 1 operand.
17126 (OMP_RETURN_EXPR): Define.
17128 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17129 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17130 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17131 creating a circular free list.
17132 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17134 * tree-flow.h (move_sese_region_to_fn): Declare.
17135 (record_vars_into): Declare.
17136 * tree-cfg.c (make_omp_sections_edges): New.
17137 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17138 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17139 OMP_SECTIONS and OMP_SECTION.
17140 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17141 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17142 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17143 (gather_blocks_in_sese_region): New.
17144 (struct move_stmt_d): Declare.
17145 (move_stmt_r): New.
17146 (move_block_to_fn): New.
17147 (move_sese_region_to_fn): New.
17149 * passes.c (init_optimization_passes): Schedule
17150 pass_expand_omp after pass_init_datastructures.
17152 * tree-ssa-operands.c (get_expr_operands): Handle
17153 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17154 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17156 2006-01-19 Jeff Law <law@redhat.com>
17158 * tree-vrp.c (extract_range_from_assert): Refine the result range
17159 if the variable referenced by the ASSERT_EXPR has a range and
17160 either the tentative result range or the previous range is a
17163 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17165 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17167 2006-01-19 Jan Hubicka <jh@suse.cz>
17169 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17171 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17173 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17174 (expand_compound_operation, expand_field_assignment): Fail if the
17175 bit lengths of an extract operation are out of range.
17176 (make_extraction): Compute wanted_inner_mode based on the position
17177 and length of the extraction. Make it extraction_mode for non-constant
17178 positions, and do not modify offset in that case. When generating a
17179 new MEM, use a mode that can hold the extraction while keeping correct
17180 alignment. Remove code that supported MEMs wrapped by USEs.
17181 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17183 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17185 * config/s390/s390.md ("Y", "y"): New mode attribute.
17186 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17187 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17188 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17189 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17190 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17191 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17192 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17193 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17194 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17195 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17196 "addsi3", "subsi3"): Insn patterns removed.
17197 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17198 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17199 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17200 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17201 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17202 "*sub<mode>3_cconly2"): New insn patterns.
17203 ("addsi3", "subsi3"): New expanders.
17205 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17207 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17208 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17209 existing STMT_VINFO_VECTYPE if available.
17210 (vect_mark_relevant): Add special handling for stmts that are
17211 marked as STMT_VINFO_IN_PATTERN_P.
17212 (vect_analyze_loop): Call vect_pattern_recog.
17213 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17214 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17216 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17217 (vect_recog_func_ptr): New function-pointer type.
17218 * tree-vect-patterns.c: New file.
17219 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17220 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17221 (vect_pattern_recog_1): New functions.
17222 (vect_pattern_recog_funcs): New array of function pointers.
17224 * tree-vectorizer.h (ternary_op): New enum value.
17225 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17226 declaration. Revised documentation. Removed redundant dump prints.
17227 Removed redundant argument. Added support for reduction patterns.
17228 (vectorizable_reduction): Added support for reduction patterns.
17229 (vect_transform_stmt): Added support for patterns.
17231 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17232 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17233 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17234 (expand_widen_pattern_expr): New function.
17235 (init_optabs): Initialize new optabs udot_prod_optab,
17237 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17238 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17239 (expand_widen_pattern_expr): New function declaration.
17240 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17242 * tree-inline.c (estimate_num_insns_1): Added cases for new
17243 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17244 * tree-pretty-print.c (dump_generic_node): Likewise.
17245 (op_prio): Likewise.
17246 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17247 * tree-ssa-operands.c (get_expr_operands): Added case for
17249 * tree-vect-patterns.c (widened_name_p): New function.
17250 (vect_recog_dot_prod_pattern): Added function implementation.
17251 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17252 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17253 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17254 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17256 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17257 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17258 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17259 (init_optabs): Initialize new optabs widen_ssum_optab,
17261 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17262 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17263 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17264 use instead of type of def.
17265 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17266 function implementation.
17267 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17268 widen_ssumv8hi): New.
17270 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17273 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17276 * c-decl.c (add_flexible_array_elts_to_size): New function.
17277 (finish_decl): Use it.
17279 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17281 * diagnostic.h: Include options.h.
17282 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17283 dependancies for diagnostic.h.
17284 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17286 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17288 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17289 (ssa_ro_call_cache_valid): Ditto.
17290 * tree-ssa-alias.c (sort_tags_by_id): New function.
17291 (init_transitive_clobber_worklist): Ditto.
17292 (add_to_worklist): Ditto.
17293 (mark_aliases_call_clobbered): Ditto.
17294 (compute_tag_properties): Ditto.
17295 (set_initial_properties): Ditto.
17296 (compute_call_clobbered): Ditto.
17297 (compute_may_aliases): Call compute_call_clobbered and grouping.
17298 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17299 (compute_flow_insensitive_aliasing): Grouping now happens in our
17301 (setup_pointers_and_addressables): Remove clobbering related code.
17302 (add_may_alias): Ditto.
17303 (replace_may_alias): Ditto.
17304 (get_nmt_for): Ditto.
17305 (create_global_var):
17306 (is_escape_site): Return an escape_type enumeration.
17307 * tree-flow-inline.h (is_call_clobbered): Global var does not
17308 imply call clobbered.
17309 (mark_call_clobbered): Take a reason for marking this. Remove
17310 marking of globalness, and cache invalidation.
17311 (clear_call_clobbered): Remove cache invalidation code.
17312 * tree-dfa.c (dump_variable): If details is on, dump the reason
17314 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17316 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17317 (struct var_ann_d): Ditto.
17318 (enum escape_type): New.
17319 (mark_call_clobbered): Adjust prototype.
17320 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17321 are never call clobbered.
17322 Record reasons for escaping.
17323 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17324 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17325 (ssa_ro_call_cache_valid): Ditto.
17326 (clobbered_v_may_defs): Ditto.
17327 (clobbered_vuses): Ditto.
17328 (ro_call_vuses): Ditto.
17329 (clobber_stats): New.
17330 (init_ssa_operands): Zero out clobber stats.
17331 (fini_ssa_operands): Print out clobber stats.
17332 (get_call_expr_operands): Pass callee fndecl to
17333 add_call_read_ops).
17334 (add_call_clobber_ops): Remove use of cache.
17335 Add use of PURE_CONST information.
17336 (add_call_read_ops): Remove use of cache.
17337 Add use of static not_read information.
17339 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17341 Introduce TLS descriptors for i386 and x86_64.
17342 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17343 (TARGET_ANY_GNU_TLS): New macro.
17344 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17345 (struct machine_function): Add tls_descriptor_call_expanded_p.
17346 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17347 (ix86_current_function_calls_tls_descriptor): Likewise.
17348 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17349 (override_options): Introduce gnu2 tls dialect.
17350 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17352 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17354 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17355 (ix86_init_machine_status): Initialize new field.
17356 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17357 (ix86_tls_module_base): New.
17358 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17359 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17360 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17361 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17362 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17363 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17364 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17365 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17366 * config/i386/predicates.md (tls_modbase_operand): New.
17367 (tp_or_register_operand): New.
17369 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17371 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17372 (look_for_address_of): Ditto.
17373 (ipa_init): Walk the function decls.
17374 (static_execute): Don't set readonly on FUNCTION_DECL's.
17376 2006-01-18 Roger Sayle <roger@eyesopen.com>
17378 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17379 for shifts where the source and destination registers are different.
17381 2006-01-18 Paul Brook <paul@codesourcery.com>
17383 Merge from csl-arm-branch.
17384 2005-03-14 Julian Brown <julian@codesourcery.com>
17385 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17386 (aeabi_llsl): Likewise.
17387 (ashrdi3): Likewise.
17388 (aeabi_lasr): Likewise.
17389 (lshrdi3): Likewise.
17390 (aeabi_llsr): Likewise.
17391 2005-03-10 Julian Brown <julian@codesourcery.com>
17392 * config.gcc: Disable shared libgcc for SymbianOS.
17393 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17395 2006-01-18 DJ Delorie <dj@redhat.com>
17397 * c-pragma.c (handle_pragma_diagnostic): New.
17398 (init_pragma): Register it.
17399 * doc/extend.texi: Document it.
17401 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17402 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17403 (diagnostic_context): Add classify_diagnostic[].
17404 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17405 as errors if they're overridden to DK_WARNING.
17406 (diagnostic_initialize): Initialize classify_diagnostic[].
17407 (diagnostic_set_kind_override): New.
17408 (diagnostic_report_diagnostic): Check for kind changes.
17409 * opts.c (common_handle_option): Take lang_mask. Update callers.
17410 Handle OPT_Werror_.
17411 * common.opt (Werror=): New.
17412 * doc/invoke.texi: Document -Werror=*
17414 2006-01-18 Jeff Law <law@redhat.com>
17416 * tree-vrp.c (test_for_singularity): Correct test for new
17417 min limit. Use operand_equal_p rather than pointer equality
17418 for testing if new min/max values are equal.
17420 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17421 using range information until after propagation and folding.
17423 2006-01-18 Richard Henderson <rth@redhat.com>
17424 Aldy Hernandez <aldyh@redhat.com>
17425 Jakub Jelinek <jakub@redhat.com>
17426 Diego Novillo <dnovillo@redhat.com>
17428 * omp-low.c: New file.
17429 * c-omp.c: New file.
17431 2006-01-18 Richard Henderson <rth@redhat.com>
17432 Jakub Jelinek <jakub@redhat.com>
17433 Diego Novillo <dnovillo@redhat.com>
17435 * doc/invoke.texi: Document -fopenmp.
17436 * tree-dump.h (debug_function): Declare.
17437 * hooks.c (hook_bool_tree_bool_false): New function.
17438 (hook_tree_tree_null): Remove.
17439 (hook_tree_tree_tree_null): New.
17440 * hooks.h: Update to match.
17441 * tree-pretty-print.c (debug_tree_chain): New.
17442 (print_generic_expr): Handle TDF_CHAIN.
17443 (dump_generic_node): Handle BLOCK.
17444 Do not abort with incomplete SWITCH_EXPRs.
17445 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17446 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17447 print space after directive name.
17448 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17449 Handle OMP_MASTER and OMP_ORDERED.
17450 Handle printing of OMP_BODY just in one place, goto
17451 dump_omp_body in the rest of OMP_* nodes that have
17453 Don't handle clause nodes here. Update omp statements to
17454 use dump_omp_clauses.
17455 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17456 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17457 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17458 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17459 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17460 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17461 Adjust output for GOMP_PARALLEL.
17462 (dump_omp_clauses): New.
17463 (print_declaration): Dump DECL_VALUE_EXPR.
17464 (op_symbol_1): Split out of op_symbol.
17465 (dumping_stmts): Remove. Update all users.
17466 * cgraph.c (cgraph_analyze_queue): New.
17467 (cgraph_add_new_function): New.
17468 * cgraph.h (cgraph_analyze_queue): Declare.
17469 (cgraph_add_new_function): Declare.
17470 (cgraph_lower_function): Remove.
17471 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17472 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17473 and TYPE_P nodes in its default clause.
17474 (empty_body_p): New.
17475 (tree_range_check_failed): New.
17476 (build5_stat): New.
17477 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17478 OMP_CLAUSE_REDUCTION_MERGE,
17479 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17480 OMP_CLAUSE_PRIVATE_DEBUG,
17481 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17482 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17483 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17484 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17485 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17486 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17487 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17488 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17489 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17490 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17491 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17492 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17493 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17494 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17495 (TREE_RANGE_CHECK): New.
17496 (empty_body_p): Declare.
17497 (enum omp_clause_default_kind): New.
17498 (build_string_literal): Declare.
17499 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17500 (build5_stat, build5): Declare.
17501 * tree-pass.h (TDF_CHAIN): Define.
17502 * tree-pass.h (PROP_gimple_lomp): Define.
17503 (pass_lower_omp): Declare.
17504 * diagnostic.h (debug_tree_chain): Declare.
17505 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17507 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17508 * builtins.c (build_string_literal): Make extern.
17509 * gcc.c (include_spec_function): New.
17510 (static_spec_functions): Add it.
17511 (main): Move load of libgomp.spec ...
17512 (LINK_COMMAND_SPEC): ... here.
17513 (link_gomp_spec): New.
17514 (static_specs): Include it.
17515 (LINK_COMMAND_SPEC): Add link_gomp.
17516 (GOMP_SELF_SPECS): New.
17517 (driver_self_specs): Include it.
17518 (switch_matches): Don't mark inline.
17519 (main): Load libgomp.spec.
17520 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17521 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17522 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17523 * tree-gimple.h (enum omp_parallel): Declare.
17524 (determine_parallel_type): Declare.
17525 (omp_firstprivatize_variable): Declare.
17526 (omp_reduction_init): Declare.
17527 (diagnose_omp_structured_block_errors): Declare.
17528 (struct walk_stmt_info): Add want_return_expr.
17529 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17530 (find_omp_clause): Declare.
17531 (insert_field_into_struct): Declare.
17532 (struct walk_stmt_info): Move from tree-nested.c
17533 (walk_stmts): Declare.
17534 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17536 * cgraphunit.c (cgraph_lower_function): Make static.
17537 (cgraph_finalize_pending_functions): New.
17538 (cgraph_finalize_function): Call it.
17539 (cgraph_finalize_compilation_unit): Likewise.
17540 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17541 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17542 (BT_FN_UINT_UINT): New.
17543 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17544 DEF_FUNCTION_TYPE_VAR_4): Document.
17545 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17546 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17547 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17548 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17549 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17550 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17551 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17552 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17553 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17554 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17555 into separate files.
17556 (DEF_GOMP_BUILTIN): New.
17557 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17558 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17559 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17560 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17561 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17562 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17563 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17564 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17565 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17566 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17567 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17568 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17569 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17570 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17571 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17572 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17573 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17574 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17575 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17576 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17577 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17578 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17579 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17580 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17581 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17582 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17583 * sync-builtins.def: New file, moved from builtins.def.
17584 * omp-builtins.def: New file, moved from builtins.def.
17585 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17586 * gimple-low.c (lower_function_body): Clear data.
17587 (lower_stmt): Do not handle COMPOUND_EXPR.
17588 Remove call to print_node_brief.
17589 * c-tree.h (c_finish_omp_clauses): New prototype.
17590 (C_DECL_THREADPRIVATE_P): Define.
17591 (lookup_name_no_remap, c_omp_remap_private): Remove
17592 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17593 (check_for_loop_decls): Update decl.
17594 (lookup_name_no_remap, c_omp_remap_private): Declare.
17595 (build_indirect_ref, build_modify_expr, pushdecl,
17596 pushdecl_top_level): Move to c-common.h.
17597 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17598 before the switch, but just in the 2 places that need it.
17599 * c-decl.c (diagnose_mismatched_decls): Do not check for
17600 mismatched thread-local attributes when OLDDECL is marked
17601 threadprivate and NEWDECL has no thread-local attributes.
17602 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17603 (c_gimple_diagnostics_recursively): Rename from
17604 c_warn_unused_result_recursively. Invoke
17605 diagnose_omp_structured_block_errors.
17606 (check_for_loop_decls): Return a singular decl found.
17607 * langhooks.c (lhd_omp_predetermined_sharing): Return
17608 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17609 (lhd_omp_firstprivatize_type_sizes): New.
17610 (lhd_omp_assignment): New.
17611 (lhd_omp_predetermined_sharing): New.
17612 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17613 (struct lang_hooks_for_types): Add
17614 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17615 omp_predetermined_sharing, omp_disregard_value_expr,
17616 omp_private_debug_clause, omp_clause_default_ctor,
17617 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17618 (c_finish_omp_clauses): New.
17619 (c_finish_bc_stmt): Diagnose break within omp for.
17620 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17621 (build_unary_op): Return error_mark after reporting
17623 (build_modify_expr): Likewise.
17624 * gimplify.c: Include optabs.h and pointer-set.h.
17625 (enum gimplify_omp_var_data): Declare.
17626 (struct gimplify_omp_ctx): Declare.
17627 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17629 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17630 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17631 (splay_tree_compare_decl_uid): New.
17632 (new_omp_context): New.
17633 (delete_omp_context): New.
17634 (gimple_add_tmp_var): Call omp_add_variable.
17635 (gimplify_bind_expr): Likewise.
17636 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17637 true, disregard DECL_VALUE_EXPR on the decl if any.
17638 (gimplify_expr_in_ctx): New.
17639 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17640 omp_add_variable, omp_notice_variable, omp_is_private
17641 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17642 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17643 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17644 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17645 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17646 gimplify_omp_atomic): New.
17647 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17648 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17649 OMP_CRITICAL and OMP_ATOMIC.
17650 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17651 * c-pragma.h (enum pragma_kind): Add
17652 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17653 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17654 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17655 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17656 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17657 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17658 PRAGMA_OMP_THREADPRIVATE.
17659 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17660 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17661 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17662 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17663 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17664 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17665 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17666 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17667 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17668 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17669 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17670 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17671 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17673 (struct nesting_info): Add field_map,
17674 suppress_expansion, debug_var_chain.
17675 (create_nesting_tree): Initialize them.
17676 (lookup_field_for_decl): Use field_map.
17677 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17678 (convert_local_omp_clauses): New.
17679 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17680 (walk_body): Split out of walk_function.
17681 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17682 (convert_nonlocal_reference): Handle omp statements.
17683 (convert_local_reference): Likewise.
17684 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17685 (unnest_nesting_tree): New.
17686 (lower_nested_functions): Call it.
17687 (insert_field_into_struct): Make extern.
17688 (struct walk_stmt_info): Move to tree-gimple.h.
17689 (walk_stmts): Make extern.
17690 * omp-builtins.def: New file.
17691 * tree-iterator.c (expr_only): Clarify comment.
17692 * c-common.h (pushdecl_top_level, pushdecl,
17693 build_modify_expr, build_indirect_ref,
17694 c_finish_omp_master, c_finish_omp_critical,
17695 c_finish_omp_ordered, c_finish_omp_barrier,
17696 c_finish_omp_atomic, c_finish_omp_flush,
17697 c_finish_omp_for, c_split_parallel_clauses,
17698 omp_clause_default_kind, c_omp_sharing_predetermined,
17699 c_omp_remap_decl): Declare.
17700 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17701 (OBJS-common): Add omp-low.o.
17702 (c-omp.o, omp-low.o): Add.
17703 (gimplify.o): Add dependency on $(OPTABS_H).
17704 (GTFILES): Add omp-low.c.
17705 (gt-stringpool.h): Add.
17706 * tree-cfg.c (set_bb_for_stmt): Do not update the
17707 block-to-labels map if we are currently expanding to RTL.
17708 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17710 Handle IDENTIFIER_NODE.
17711 (tree_verify_flow_info): Do not ICE when emitting error
17712 messages about invalid labels.
17713 (dump_function_to_file): Reset CFUN before emitting the body
17715 (debug_function): New.
17716 * passes.c (init_optimization_passes): Schedule
17718 * langhooks-def.h (lhd_omp_predetermined_sharing,
17719 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17721 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17722 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17723 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17724 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17725 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17726 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17727 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17728 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17729 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17730 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17731 (LANG_HOOK_DECLS): Use them.
17733 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17734 Richard Henderson <rth@redhat.com>
17735 Jakub Jelinek <jakub@redhat.com>
17736 Diego Novillo <dnovillo@redhat.com>
17738 * c-parser.c (pragma_omp_clause): Define.
17739 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17740 (c_parser_compound_statement): Likewise.
17741 (c_parser_statement): Likewise.
17742 (c_parser_pragma): Handle omp pragmas.
17743 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17744 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17745 (c_parser_omp_clause_name, check_no_duplicate_clause,
17746 c_parser_omp_variable_list,
17747 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17748 c_parser_omp_clause_copyprivate,
17749 c_parser_omp_clause_default,
17750 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17751 c_parser_omp_clause_lastprivate,
17752 c_parser_omp_clause_nowait,
17753 c_parser_omp_clause_num_threads,
17754 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17755 c_parser_omp_clause_reduction,
17756 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17757 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17758 c_parser_omp_atomic, c_parser_omp_barrier,
17759 c_parser_omp_critical, c_parser_omp_flush,
17760 c_parser_omp_for_loop, c_parser_omp_for,
17761 c_parser_omp_master, c_parser_omp_ordered,
17762 c_parser_omp_sections_scope, c_parser_omp_sections,
17763 c_parser_omp_parallel, c_parser_omp_single,
17764 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17765 * c-pragma.c (init_pragma): Do omp pragma registration here.
17766 * c.opt (fopenmp): New flag.
17768 2006-01-18 Eric Christopher <echristo@apple.com>
17770 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17771 * config/darwin.h (GOMP_SELF_SPECS): Define.
17773 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17775 * rtl.h: Remove the prototype for reg_alloc.
17777 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17780 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17781 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17782 sjlj and dwarf2 exception handling.
17783 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17784 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17785 * pa/pa.c (function_value): Treat complex and vector types as
17787 (function_arg): Likewise. Only pass scalar floats in the floating
17788 point argument registers.
17789 * pa/t-slibgcc-dwarf-ver: New file.
17790 * pa/t-slibgcc-sjlj-ver: New file.
17791 * pa/t-slibgcc-elf-ver: Delete file.
17793 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17795 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17796 unlikely_test_section_p test.
17798 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17800 * mode-switching.c (optimize_mode_switching): Make it static.
17801 * basic-block.h: Remove the prototype for
17802 optimize_mode_switching.
17804 * modulo-sched.c (sms_schedule): Make it static.
17805 * rtl.h: Remove the prototype for sms_schedule.
17807 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17808 * rtl.h: Remove the prototype for gcse_after_reload_main.
17810 * reg-stack.c (reg_to_stack): Make it static.
17811 * rtl.h: Remove the prototype for reg_to_stack.
17813 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17815 * rtl.h: Remove the prototypes for regrename_optimize and
17816 copyprop_hardreg_forward.
17818 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17820 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17821 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17822 Test against the appropriate null constant for the mode.
17823 If 'fixup_overlap' is true, swap the operands if they overlap.
17824 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17825 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17826 alpha_split_tmode_pair and adjust for above change.
17827 * config/alpha/alpha.md (movtf_internal): Adjust call to
17828 alpha_split_tfmode_pair and rely on it to swap the operands.
17829 (movti_internal): New insn and post-reload splitter.
17830 (movti): New expander.
17832 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17834 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17837 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17839 * rtlanal.c (global_reg_mentioned_p_1,
17840 global_reg_mentioned_p): Remove.
17841 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17843 * flow.c (initialize_uninitialized_subregs): Make it static.
17844 * rtl.h: Remove the prototype for
17845 initialize_uninitialized_subregs.
17847 * function.c (instantiate_virtual_regs): Make it static.
17848 * function.h: Remove the prototype for
17849 instantiate_virtual_regs.
17851 * regmove.c (regmove_optimize, combine_stack_adjustments):
17853 * rtl.h: Remove the prototypes for regmove_optimize and
17854 combine_stack_adjustments.
17856 2006-01-17 Roger Sayle <roger@eyesopen.com>
17858 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17859 (size_cost): Encode costs in bytes so that a reg-reg addition is
17860 equivalent to COSTS_N_INSNS(1).
17861 (override_options): Use the size_cost.branch_cost as the default
17862 ix86_branch_cost when optimizing for size.
17864 2006-01-18 Ben Elliston <bje@au.ibm.com>
17866 * Makefile.in (D32PBIT_FUNCS): New.
17867 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17868 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17869 D64PBIT_FUNCS and D128PBIT_FUNCS.
17870 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17871 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17873 (decnumber_dep): Define.
17874 * doc/libgcc.texi (Decimal float library routines): New node.
17875 * config/dfp-bit.h, config/dfp-bit.c: New files.
17877 2006-01-18 Ben Elliston <bje@au.ibm.com>
17879 * expr.c (emit_move_change_mode): Always adjust addresses, not
17880 just during reload. Copy replacements only during reload.
17881 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17882 emit_move_via_integer.
17884 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17886 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17887 instead of $(srcdir) and ${srcdir}.
17889 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17892 PR middle-end/11135
17893 * arm.h (struct machine_function): Add pic_reg.
17894 * arm.c (arm_pic_register): Make unsigned.
17895 (arm_override_options): Only set arm_pic_register if
17896 TARGET_SINGLE_PIC_BASE.
17897 (use_return_insn): Only test for a pic register if it is fixed.
17898 (arm_compute_save_reg0_reg12_mask): Likewise.
17899 (thumb_compute_save_reg_mask): Likewise.
17900 (legitimate_pic_operand): Factor out some known invariants.
17901 (legitimize_pic_address): If we don't have a fixed pic register,
17902 then set up a pseudo in the function entry sequence. Handle the
17903 pic base being in a pseudo.
17904 (arm_load_pic_register): Handle the pic register being in a pseudo.
17905 (arm_expand_prologue): Only set up the pic register if it is fixed.
17906 (thumb_expand_prologue): Likewise.
17907 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17908 (pic_load_addr_based_insn): Likewise.
17909 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17912 2006-01-18 Ben Elliston <bje@au.ibm.com>
17914 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17915 decimal float modes for all floating point registers.
17917 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17918 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17920 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17923 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17924 even when the pointer is not NULL.
17926 2006-01-16 Ian Lance Taylor <ian@airs.com>
17928 * common.opt (ftoplevel-reorder): New option.
17929 * cgraph.c (cgraph_asm_nodes): New global variable.
17930 (cgraph_asm_last_node): New static variable.
17931 (cgraph_order): New global variable.
17932 (cgraph_create_node): Set new order field.
17933 (cgraph_varpool_node): Likewise.
17934 (decide_is_variable_needed): Return true if not
17935 flag_toplevel_reorder.
17936 (cgraph_add_asm_node): New function.
17937 * cgraph.h (struct cgraph_node): Add order field.
17938 (struct cgraph_varpool_node): Add order field.
17939 (struct cgraph_asm_node): Define.
17940 (cgraph_asm_nodes, cgraph_order): Declare.
17941 (cgraph_add_asm_node): Declare.
17942 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17944 (cgraph_varpool_assemble_pending_decls): Call it.
17945 (cgraph_output_pending_asms): New static function.
17946 (cgraph_finalize_compilation_unit): Call it.
17947 (struct cgraph_order_sort): Define.
17948 (cgraph_output_in_order): New static function.
17949 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17950 !flag_toplevel_reorder case.
17951 * c-parser.c: Include "cgraph.h".
17952 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17954 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17955 than -fno-unit-at-a-time.
17956 * doc/invoke.texi (Option Summary): Mention
17957 -fno-toplevel-reorder.
17958 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17959 -funit-at-a-time documentation.
17961 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17962 Kazu Hirata <kazu@codesourcery.com>
17964 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17966 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17968 * Makefile.in (FUNCTION_H): New. Use it instead of
17969 function.h throughout the file.
17970 * function.h: Include tree.h.
17972 2006-01-17 Ben Elliston <bje@au.ibm.com>
17974 * recog.c: Separate some functions with whitespace.
17976 2006-01-16 Richard Henderson <rth@redhat.com>
17978 Merge from gomp branch:
17979 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17980 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17981 and rename from struct inline_data. Rename callee* to dst*;
17982 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17983 transform_new_cfg, transform_return_to_modify, and
17984 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17986 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17987 (copy_decl_for_dup): Remove.
17988 * tree-inline.c (struct inline_data): Move to header.
17989 (insert_decl_map): Export.
17990 (remap_decl): Update for member name changes. Use copy_decl hook.
17991 Allow for replacement to be a non-decl. Remove dead code.
17992 (remap_type_1): Check for existing mapping.
17993 (remap_type): Export.
17994 (remap_decls): Update for member name changes.
17995 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17996 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17997 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17998 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17999 (tree_function_versioning, build_duplicate_type): Likewise.
18000 (copy_body_r): Likewise. Export.
18001 (copy_decl_for_dup): Split into ...
18002 (copy_decl_for_dup_finish, copy_decl_to_var,
18003 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18004 (replace_ref_tree, inlining_p): Remove.
18006 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18008 * ifcvt.c (if_convert): Make it static.
18009 * rtl.h: Remove the prototype for if_convert.
18011 * local-alloc.c (local_alloc): Make it static.
18012 * rtl.h: Remove the prototype for local_alloc.
18014 * loop.c (loop_optimize): Make it static.
18015 * cfgloop.h: Remove the prototype for loop_optimize.
18018 2006-01-16 DJ Delorie <dj@redhat.com>
18020 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18023 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18025 * pa.md: Disparage copies between general and floating-point registers
18026 in 32-bit move patterns.
18028 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18031 * Makefile.in (check-%): Depend on site.exp instead of
18032 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18035 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18037 * global.c (global_alloc): Make it static.
18038 * rtl.h: Remove the prototype for global_alloc.
18040 2006-01-16 Richard Guenther <rguenther@suse.de>
18042 * tree-ssa-alias.c (struct used_part): Add write_only field.
18043 (get_or_create_used_part_for): Initialize it to true.
18044 (create_overlap_variables_for): Don't create structure variables
18045 for structures that only are written to.
18046 (find_used_portions): Handle MODIFY_EXPR to track whether a
18047 structure is only written to.
18049 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18051 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18053 * basic-block.h: Remove the prototype for
18054 partition_hot_cold_basic_blocks.
18056 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18058 * cppspec.c (lang_specific_spec_functions): Remove.
18059 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18060 * gcc.h (lang_specific_spec_functions): Remove.
18061 * gccspec.c (lang_specific_spec_functions): Remove.
18063 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18065 * combine.c (record_value_for_reg): Invalidate registers
18067 (record_dead_and_set_regs_1): Likewise, by passing them to
18068 record_value_for_reg.
18069 (record_dead_and_set_regs): Invalidate stores made by a
18070 call. We do not combine across a call, but we still
18071 relied on equivalences.
18073 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18075 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18076 vrp_int_const_binop returning non-constant nodes.
18078 2006-01-16 Paul Brook <paul@codesourcery.com>
18080 * config/m68k/m68k.c (output_move_const_into_data_reg):
18081 Output correct mnemonic for mvz and mvs.
18083 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18085 * rtl-factoring.c: Add sequence abstraction algorithm.
18086 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18087 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18089 (block_has_preserve_label): New function.
18090 * common.opt: Register new pass.
18091 * Makefile.in: Ditto.
18093 * timevar.def: Ditto.
18094 * tree-pass.h: Ditto.
18095 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18096 * rtl.h (make_jump_insn_raw): Add forward decl.
18097 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18099 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18100 Roger Sayle <roger@eyesopen.com>
18102 * fold-const.c (fold_minmax): New static function.
18103 (fold_binary) <MIN_EXPR>: Call it.
18104 <MAX_EXPR>: Likewise.
18105 * stor-layout.c (place_field): Use DECL_SIZE consistently
18106 in the computation of the new record size.
18108 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18110 * cse.c (cse_condition_code_reg): Make it static.
18111 * rtl.h: Remove the prototype for cse_condition_code_reg.
18113 * combine.c (combine_instructions): Make it static.
18114 * rtl.h: Remove the prototype for combine_instructions.
18116 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18119 * tree.c (get_file_function_name_long): Concatenate the first global
18120 object name with a string derived from the input filename of the object
18123 2006-01-16 Ben Elliston <bje@au.ibm.com>
18125 * config/i386/winnt-stubs.c: Update FSF address.
18126 * config/xtensa/ieee754-df.S: Ditto.
18127 * config/xtensa/ieee754-sf.S: Ditto.
18129 2006-01-14 Ian Lance Taylor <ian@airs.com>
18131 * ifcvt.c (noce_init_if_info): New static function, broken out of
18132 noce_process_if_block.
18133 (noce_process_if_block): Call noce_init_if_info.
18134 (check_cond_move_block): New static function.
18135 (cond_move_process_if_block): New static function.
18136 (process_if_block): Call cond_move_process_if_block.
18138 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18140 * cselib.c (hash_table): Rename to cselib_hash_table.
18141 (cselib_clear_table, discard_useless_values,
18142 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18143 cselib_init, cselib_finish): Adjust uses of hash_table.
18145 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18147 PR tree-optimization/25485
18148 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18149 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18150 is known to be false and true, respectively.
18152 2006-01-14 Richard Guenther <rguenther@suse.de>
18154 PR tree-optimization/22548
18155 PR tree-optimization/22555
18156 PR tree-optimization/22501
18157 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18158 * params.def (salias-max-array-elements): New parameter.
18159 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18160 * doc/invoke.texi (salias-max-array-elements): Document.
18161 * tree-flow-inline.h (var_can_have_subvars): We also handle
18163 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18165 * tree-ssa-structalias.c (params.h): Include.
18166 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18167 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18168 (get_constraint_for): For ADDR_EXPR operating on something
18169 containing an ARRAY_REF, add all subvars to the solution.
18170 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18171 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18172 for creating MUST_DEFs.
18173 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18175 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18177 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18179 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18180 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18181 number_of_iterations_le): New functions.
18182 (number_of_iterations_special): Removed.
18183 (number_of_iterations_exit): Do not use number_of_iterations_special.
18184 * tree.c (unsigned_type_for): Always return integer type.
18186 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18187 Richard Guenther <rguenther@suse.de>
18189 PR rtl-optimization/24257
18190 * gcse.c (find_moveable_store): Only consider a store movable
18191 when the SET_SRC of the insn can be assigned to a register.
18193 2006-01-14 Ian Lance Taylor <ian@airs.com>
18195 * tree.c (tree_not_class_check_failed): New function.
18196 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18197 (tree_not_class_check_failed): Declare.
18199 2006-01-13 Ian Lance Taylor <ian@airs.com>
18201 * reload1.c (do_output_reload): Add assertion rejecting a
18204 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18206 * combine.c (struct reg_stat): Add new fields truncation_label and
18208 (record_value_for_reg): Reset truncated_to_mode.
18209 (record_truncated_value): New function.
18210 (check_promoted_subreg): Call it. Rename to check_conversions.
18211 (combine_instructions): Rename check_promoted_subreg to
18213 (reg_truncated_to_mode): New function.
18214 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18215 (gen_lowpart_or_truncate): New function.
18216 (force_to_mode): Use it instead of gen_lowpart.
18218 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18220 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18221 VAR is a tag, not its type tag.
18223 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18225 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18226 alternatives to match style of other entries.
18227 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18229 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18231 PR tree-optimization/25771
18232 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18235 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18238 * tree-inline.c (declare_return_variable): If the return variable
18239 was marked as a non gimple complex, set the return slot variable
18240 to be a non gimple comple variable.
18242 2006-01-13 Richard Guenther <rguenther@suse.de>
18244 * builtins.c (expand_builtin_sincos): New function.
18245 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18247 (expand_builtin): Expand sincos using expand_builtin_sincos.
18249 2006-01-12 DJ Delorie <dj@redhat.com>
18251 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18252 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18253 so that constant shifts can be split.
18254 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18255 (m32c_valid_pointer_mode): Make static.
18256 (shift_gen_func_for): New.
18257 (m32c_prepare_shift): Use it. Split large const shifts into
18259 * config/m32c/predicates.md (shiftcount_operand): Allow more
18261 (longshiftcount_operand): New.
18262 * doc/md.texi (Machine Constraints): Document In6.
18264 2006-01-13 Ben Elliston <bje@au.ibm.com>
18266 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18267 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18270 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18272 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18273 to try to avoid clobbering pieces of structures when we know
18274 something about the whole structure.
18275 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18277 2006-01-13 Ben Elliston <bje@au.ibm.com>
18279 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18280 return in memory, as this is no limitation is no longer present.
18282 2006-01-12 DJ Delorie <dj@redhat.com>
18284 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18285 mova with fb, and for fb+0 -> An.
18287 * config/m32c/mov.md (peephole2): Fix enabling logic.
18289 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18290 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18291 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18292 FINI_ARRAY_SECTION_ASM_OP): Define.
18294 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18296 (m32c_legitimize_reload_address): New logic to reload FB to An.
18297 (m32c_output_reg_push): Add newline.
18298 (m32c_output_reg_pop): Likewise.
18300 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18302 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18304 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18306 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18308 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18310 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18313 2006-01-11 Ben Elliston <bje@au.ibm.com>
18315 * rtlanal.c (find_reg_note): Assert insn is not null.
18317 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18319 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18322 2006-01-11 Jeff Law <law@redhat.com>
18324 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18326 (mark_threaded_blocks, register_jump_thread): New functions.
18327 (thread_through_all_blocks): Remove unwanted argument. No
18328 longer rely on e->aux to communicate thread target info.
18329 Call mark_threaded_blocks. Release the threaded_blocks
18330 bitmap and threaded_edges vector when complete.
18331 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18332 (threaded_blocks): Remove.
18333 (tree_ssa_dominator_optimize): Remove initialization and
18334 finalization of threaded_blocks. Simplify call to
18335 thread_through_all_blocks.
18336 (thread_across_edge): Call register_jump_thread rather than
18337 storing thread information into e->aux.
18338 (free_all_edge_infos): Simplify now that e->aux is no longer
18339 used to communicate with thread_through_all_blocks.
18340 * tree-flow.h (thread_through_all_blocks): Update prototype.
18341 (register_jump_thread): Prototype.
18343 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18345 * df-core.c (df_compact_blocks, df_bb_replace): Use
18346 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18348 2006-01-11 Richard Guenther <rguenther@suse.de>
18350 PR tree-optimization/25734
18351 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18352 stop propagation after successful propagation to the LHS.
18354 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18356 * basic-block.h (control_flow_graph): Change the type of
18357 x_basic_block_info to VEC(basic_block,gc) *.
18358 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18360 (SET_BASIC_BLOCK): New.
18361 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18362 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18363 * cfgbuild.c (find_basic_blocks): Likewise.
18364 * cfglayout.c (fixup_reorder_chain): Likewise.
18365 * cfgrtl.c (create_basic_block_structure,
18366 rtl_create_basic_block): Likewise.
18367 * ifcvt.c (find_if_case_1): Likewise.
18368 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18371 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18373 * Makefile.in: Removed rotted odf.c entry.
18375 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18378 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18379 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18380 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18381 output pattern modifier, not %e.
18382 * config/cris/cris.c (cris_op_str): Update comment about pattern
18384 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18385 before falling through into...
18386 <case 'E'>: Redefined from old 'e' case.
18388 2006-01-11 Jan Hubicka <jh@suse.cz>
18391 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18393 2006-01-11 Jan Hubicka <jh@suse.cz>
18395 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18396 * i386.c (x86_decompose_lea): Kill.
18397 (ix86_rtx_costs): Kill.
18399 2006-01-11 Jan Hubicka <jh@suse.cz>
18401 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18402 * cgraph.h (cgraph_node): Add inline_decl.
18403 (cgraph_insert_node_to_hashtable): Declare.
18404 (save_inline_function_body): Declare.
18405 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18407 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18408 (cgraph_function_versioning): Update call of tree_function_versioning.
18409 (save_inline_function_body): New function.
18410 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18411 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18412 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18413 (cgraph_default_inline_p): Likewise.
18414 (cgraph_decide_inlining_incrementally): Likewise.
18415 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18416 (copy_bb): Kill saving; do updating of clones.
18417 (copy_cfg_body): Kill saving.
18418 (initialize_inlined-parameters): Likewise.
18419 (expand_call_inline): Likewise.
18421 (tree_function_versioning): New parameter "update_clones".
18422 (inlining_p): Kill saving.
18423 * tree-inline.h (tree_function_versioning): Update prototype.
18424 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18427 2006-01-11 Ian Lance Taylor <ian@airs.com>
18429 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18430 Allow undoing set of machine mode.
18431 (do_SUBST): Use enums instead of is_int.
18432 (do_SUBST_MODE): New function.
18433 (SUBST_MODE): New macro.
18434 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18435 reg and trying to replace reg_regno_rtx with a new register.
18436 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18437 (simplify_set): Use SUBST_MODE.
18438 (distribute_notes): Remove code that tried to update reg notes
18439 for regno_reg_rtx changes.
18441 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18443 PR tree-optimization/23109
18444 PR tree-optimization/23948
18445 PR tree-optimization/24123
18447 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18448 * tree-cfg.c (single_noncomplex_succ): New.
18449 * tree-flow.h (single_noncomplex_succ): Declare it.
18450 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18451 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18452 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18453 insert_bb, register_division_in, insert_reciprocals,
18454 replace_reciprocal, free_bb): New.
18455 (execute_cse_reciprocals_1): Rewritten.
18456 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18457 Do not commit any edge insertion. Always compute dominators and
18458 create the allocation pool.
18459 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18460 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18461 * targhooks.c (default_min_divistions_for_recip_mul): New.
18462 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18463 * passes.c (init_optimization_passes): Run recip after tree loop
18465 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18467 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18468 Kenneth Zadeck <zadeck@naturalbridge.com>
18470 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18471 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18472 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18473 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18474 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18475 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18476 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18477 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18478 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18479 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18480 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18481 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18482 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18483 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18484 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18485 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18486 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18487 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18488 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18489 DF_SCAN_POST_ALLOC): New macros.
18490 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18491 df_free_bb_function, df_local_compute_function, df_init_function,
18492 df_dataflow_function, df_confluence_function_0,
18493 df_confluence_function_n, df_transfer_function,
18494 df_finalizer_function, df_free_function, df_dump_problem_function,
18495 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18496 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18497 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18498 df_urec_bb_info, ) New types.
18499 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18501 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18502 df_analyze_simple_change_some_blocks,
18503 df_analyze_simple_change_one_block, df_compact_blocks,
18504 df_bb_replace, df_bb_regno_last_use_find,
18505 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18506 df_insn_regno_def_p, df_find_def, df_find_use,
18507 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18508 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18509 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18510 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18511 debug_df_chain, df_get_dependent_problem, df_chain_create,
18512 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18513 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18514 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18515 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18516 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18517 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18518 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18519 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18520 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18521 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18522 df_reorganize_refs, df_set_state, df_hard_reg_init,
18523 df_read_modify_subreg_p) New public functions.
18524 * df-core.c: The core dataflow solver and glue routines for rtl
18526 (df_init, df_add_problem, df_set_blocks, df_finish,
18527 df_hybrid_search_forward, df_hybrid_search_backward,
18528 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18529 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18530 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18531 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18532 df_reg_defined, df_find_use, df_reg_used, df_dump,
18533 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18534 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18535 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18536 debug_df_useno, reset_df_after_reload): New functions.
18537 * df-scan.c: The scanning fuctions, once in df.c, completely
18538 rewritten so that they now fully model the functionality of
18539 register usage at the backend.
18540 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18541 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18542 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18543 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18544 df_get_artificial_defs, df_get_artificial_uses,
18545 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18546 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18547 df_refs_delete, df_reorganize_refs, df_set_state,
18548 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18549 df_def_record_1, df_defs_record, df_uses_record,
18550 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18551 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18552 df_record_exit_block_uses, df_hard_reg_init): New functions.
18554 * df-problems.c: Seven concrete dataflow problems that use the
18555 scanning in df-scan.c and are solved by the engine in df-core.c.
18556 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18557 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18558 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18559 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18560 df_ru_free_bb_info, df_ru_alloc,
18561 df_ru_bb_local_compute_process_def,
18562 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18563 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18564 df_ru_transfer_function, df_ru_free, df_ru_dump,
18565 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18566 df_rd_free_bb_info, df_rd_alloc,
18567 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18568 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18569 df_rd_transfer_function, df_rd_free, df_rd_dump,
18570 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18571 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18572 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18573 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18574 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18575 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18576 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18577 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18578 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18579 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18580 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18581 df_urec_mark_reg_use_for_earlyclobber,
18582 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18583 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18584 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18585 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18586 df_chain_create_bb_process_use, df_chain_create_bb,
18587 df_chain_finalize, df_chain_free, df_chains_dump,
18588 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18589 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18590 df_reg_lifetime): New functions.
18591 * df.c: Deleted file.
18592 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18593 consistent with new df api.
18594 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18595 rest_of_handle_sms): Ditto.
18596 * web.c (unionfind_union, union_defs, entry_register, web_main):
18598 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18599 invariant_expr_equal_p, find_defs, check_dependencies,
18600 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18601 free_inv_motion_data, move_loop_invariants): Ditto.
18602 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18603 Update dependencies.
18604 (odf.c): Added defective entry that was deleted later in day.
18605 * sched-deps.c (sched_analyze_1): Ditto.
18607 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18609 * tree-ssa-operands.c (get_expr_operands): Record addressable
18610 variables directly. Do not call add_stmt_operands for CONST_DECLs
18612 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18613 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18615 2006-01-11 Ben Elliston <bje@au.ibm.com>
18617 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18618 function returns true in the positive case.
18620 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18623 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18624 for SI, DI, SF and DF modes. Add alternatives to copy between
18625 general and floating point registers to the 32-bit patterns.
18626 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18627 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18628 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18629 generating 64-bit code.
18630 * config/pa/pa.c (output_move_double): Handle copies between general
18631 and floating registers.
18633 2006-01-10 Stuart Hastings <stuart@apple.com>
18635 * config/i386/i386.md (set_got): Update.
18636 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18637 (builtin_setjmp_receiver): Mach-O support.
18638 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18639 (GOT_SYMBOL_NAME): Define.
18640 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18641 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18642 * config/i386/i386.c (override_options): Revise for Darwin.
18643 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18644 support. (darwin_x86_file_end): New. (output_set_got): Add label
18645 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18646 * config/i386/i386-protos.h (output_set_got): Likewise.
18647 * config/darwin.c (machopic_legitimize_pic_address): Update
18650 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18652 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18653 when MODE isn't BLKmode.
18655 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18657 PR rtl-optimization/25367
18658 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18660 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18663 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18664 for a negative bound.
18666 2006-01-10 Richard Guenther <rguenther@suse.de>
18668 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18669 Never override with anything constraint.
18671 2006-01-10 Jan Beulich <jbeulich@novell.com>
18673 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18674 256 bits when optimize_size.
18676 2006-01-10 Jan Beulich <jbeulich@novell.com>
18678 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18680 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18681 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18684 2006-01-10 Ben Elliston <bje@au.ibm.com>
18686 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18688 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18689 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18690 (USE_FP_FOR_ARG): Reject decimal float modes.
18691 (function_arg_advance): Likewise.
18692 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18693 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18694 point types in AltiVec vectors.
18695 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18696 (rs6000_libcall_value): Likewise.
18698 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18700 * config/xtensa/ieee754-df.S: New file.
18701 * config/xtensa/ieee754-sf.S: New file.
18702 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18703 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18704 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18706 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18708 * config/sh/predicates.md (binary_float_operator,
18709 binary_logical_operator, commutative_float_operator,
18710 equality_comparison_operator, greater_comparison_operator,
18711 less_comparison_operator, logical_operator,
18712 noncommutative_float_operator, shift_operator,
18713 symbol_ref_operand, unary_float_operator): Remove redundant
18716 2006-01-09 Jeff Law <law@redhat.com>
18718 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18719 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18720 now unused arguments. Callers updated.
18721 (eliminate_redundant_computations): Remove now unused arguments,
18723 (local_fold): Remove, no longer used.
18724 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18726 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18727 (simplify_cond): New function.
18728 (forward_propagate_into_cond): Call simplify_cond.
18730 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18732 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18733 (*vec_extractv2di_1_sse): New.
18735 2006-01-09 Ben Elliston <bje@au.ibm.com>
18737 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18739 2006-01-08 Richard Guenther <rguenther@suse.de>
18741 * tree-ssa-structalias.c (get_constraint_for): Remove
18742 anyoffset argument.
18743 (get_constraint_for_component_ref): Likewise.
18744 (do_deref): Likewise.
18745 (get_constraint_for): Likewise.
18746 (do_structure_copy): Likewise.
18747 (handle_ptr_arith): Likewise.
18748 (find_func_aliases): Likewise. Remove unused need_anyoffset
18751 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18752 Kaz Kojima <kkojima@gcc.gnu.org>
18754 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18755 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18756 (EXTRA_CONSTRAINT_C16): Remove.
18757 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18758 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18759 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18760 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18761 constants of SHmedia. Handle nested constant expressions of
18763 (andcosts): Fix the costs for SHmedia constants.
18764 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18765 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18766 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18767 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18768 (movv4hi_i, movv2si_i): Likewise.
18769 (movsi_const): Adjust the second operand of ior so to match with
18770 the Csu constraint.
18771 (movdi_const, movdi_const_32bit): Likewise.
18772 (movdi_const_16bit+1): Don't sign-extend LOW.
18773 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18775 (*double_shori): Fix the split condition. Use GEN_INT instead
18776 of get_int_mode calls. Mask lower 16-bit of the argument of
18778 (sym2GOTPLT): Remove.
18779 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18781 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18782 instead of EXTRA_CONSTRAINT_C16.
18784 2006-01-07 Ian Lance Taylor <ian@airs.com>
18785 David Edelsohn <edelsohn@gnu.org>
18787 PR rtl-optimization/25662
18788 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18789 for constant operands instead of simplify_gen_binary.
18790 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18791 after trying simplify_binary_operation
18793 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18795 * tree.c (iterative_hash_expr): Hash decls based on UID.
18797 2006-01-06 Eric Christopher <echristo@apple.com>
18799 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18800 (TARGET_UNWIND_EMIT): Fix spelling.
18801 * target.h (gcc_target): Add except_table_label.
18802 * except.c (output_function_exception_table): Use.
18803 * varasm.c (default_emit_except_table_label): New.
18804 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18806 (asm_out): Add here.
18807 * output.h (default_emit_except_table_label): Prototype.
18808 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18809 * config/darwin.c (darwin_emit_except_table_label): Define.
18810 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18812 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18814 PR tree-optimization/18527
18815 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18816 number_of_iterations_special, number_of_iterations_exit):
18817 Move base and step of an iv to a single structure. Add
18818 no_overflow flag, and use it in # of iterations analysis.
18819 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18820 folded_casts argument.
18821 (simple_iv): Pass base and step in a structure. Set no_overflow
18823 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18824 Evaluate expensiveness of computing # of iterations instead of
18825 the final expression.
18826 * tree-scalar-evolution.h (affine_iv): New structure.
18827 (simple_iv): Declaration changed.
18828 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18829 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18830 find_givs_in_stmt): Changed due to simple_iv change.
18832 2006-01-06 Jeff Law <law@redhat.com>
18835 * tree-cfg.c (bsi_replace): Rename final argument from
18836 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18837 change (stmt -> orig_stmt).
18838 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18839 (bsi_remove): Add new argument. Remove EH information
18841 (verify_eh_throw_table_statements): New function.
18842 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18844 * tree-optimize.c (execute_free_cfg_annotations): Verify
18845 the EH throw statement table after removing annotations.
18846 * except.h (verify_eh_throw_table_statements): Prototype.
18847 * tree-flow.h (bsi_remove): Update prototype.
18848 * tree-vrp.c (remove_range_assertions): Add new argument to
18850 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18851 * tree-complex.c (expand_complex_div_wide): Likewise.
18852 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18853 * tree-tailcall.c (eliminate_tailcall): Likewise.
18854 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18855 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18856 * tree-nrv.c (tree_nrv): Likewise.
18857 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18858 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18859 (combine_blocks): Likewise.
18860 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18861 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18862 (cleanup_control_flow): Likewise.
18863 (remove_forwarder_block): Likewise.
18864 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18865 * tree-sra.c (sra_replace): Likewise.
18866 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18867 (forward_propagate_single_use_vars): Likewise.
18868 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18869 * tree-inline.c (expand_call_inline): Likewise.
18870 * tree-vect-transform.c (vect_transform_loop): Likewise.
18871 * tree-outof-ssa.c (rewrite_trees): Likewise.
18872 * tree-cfg.c (make_goto_expr_edges): Likewise.
18873 (cleanup_dead_labels): Likewise.
18874 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18875 (bsi_move_before, bsi_move_after): Likewise.
18876 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18877 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18879 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18882 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18884 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18885 on non gimple variables. Also add checks at the top for decls and
18887 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18889 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18890 and IMAGPART_EXPR for creating MUST_DEFs.
18891 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18892 and NAME_MEMORY_TAG separately from the DECLs.
18894 2006-01-06 Richard Guenther <rguenther@suse.de>
18896 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18897 annotation, if necessary.
18898 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18899 redundant calls to update_stmt.
18900 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18903 2006-01-05 Richard Henderson <rth@redhat.com>
18905 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18907 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18909 * c-typeck.c: Update copyright date.
18911 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18913 * c-typeck.c (build_c_cast): Always warn when casting
18914 from a pointer to an integer of different size, even if
18915 the node was constant.
18917 2006-01-05 Richard Guenther <rguenther@suse.de>
18919 PR tree-optimization/22555
18920 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18921 if one structure field is an array.
18922 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18923 operands even if we found a subvar, but ignore VOPs in this
18925 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18927 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18929 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18931 PR middle-end/24998
18932 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18934 2006-01-05 Richard Guenther <rguenther@suse.de>
18935 Diego Novillo <dnovillo@redhat.com>
18937 * tree-pass.h (TODO_remove_unused_locals): Define.
18938 * gimple-low.c (expand_var_p, remove_useless_vars,
18939 pass_remove_useless_vars): Remove. Update all users.
18940 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18941 (remove_unused_locals): New function.
18942 * tree-flow.h (remove_unused_locals): Declare.
18943 * passes.c (execute_todo): Call remove_unused_locals if
18944 TODO_remove_unused_locals is set.
18945 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18946 * tree-ssa-dce.c (pass_dce): Likewise.
18947 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18949 2006-01-05 Richard Guenther <rguenther@suse.de>
18951 * tree-flow.h (struct fieldoff): Decompose field to
18952 type, size and decl.
18953 * tree-ssa-alias.c (create_sft): Take type as parameter.
18954 (create_overlap_variables_for): Store type, size and decl
18955 in the fieldoff structure.
18956 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18957 of struct fieldoff.
18958 (push_fields_onto_fieldstack): Likewise.
18959 (create_variable_info_for): Likewise. Use offset for the
18960 SFT name if the decl is not available.
18962 2006-01-04 Paul Brook <paul@codesourcery.com>
18964 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18966 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18968 * lambda-code.c (can_put_in_inner_loop): Relax
18970 (can_put_after_inner_loop): New function.
18971 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18972 (perfect_nestify): Change to make copies and modify uses.
18974 2006-01-04 Richard Henderson <rth@redhat.com>
18976 Merge from gomp branch:
18977 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18978 via integer constant.
18979 (pragma_lex): Remove.
18980 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18981 rather than parsing it.
18982 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18983 handle_pragma_extern_prefix): Add %< %> quotes.
18984 (registered_pragmas): New.
18985 (c_register_pragma_1): New.
18986 (c_register_pragma): Use it.
18987 (c_register_pragma_with_expansion): Likewise.
18988 (c_invoke_pragma_handler): New.
18989 (init_pragma): Use cpp_register_deferred_pragma directly for
18991 * c-pragma.h (enum pragma_kind): New.
18992 (pragma_handler): New.
18993 (c_invoke_pragma_handler): Declare.
18994 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18996 * c-common.h (c_common_pch_pragma): Update decl.
18997 * Makefile.in (c-parser.o): Update dependencies.
18998 (GTFILES): Add c-pragma.h.
18999 * c-parser.c (struct c_token): Add pragma_kind.
19000 (struct c_parser): Add in_pragma.
19001 (c_lex_one_token): Always initialize keyword and pragma_kind.
19002 Extract data for CPP_PRAGMA.
19003 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19004 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19005 Don't allow CPP_PRAGMA_EOL if in_pragma.
19006 (c_parser_consume_pragma): New.
19007 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19008 (c_parser_skip_to_end_of_parameter): Likewise.
19009 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19010 (c_parser_skip_to_pragma_eol): New.
19011 (c_parser_external_declaration): Handle CPP_PRAGMA.
19012 (c_parser_compound_statement_nostart): Likewise.
19013 (c_parser_statement_after_labels): Likewise.
19014 (c_parser_pragma): New.
19015 (pragma_lex): Likewise.
19016 (c_parser_pragma_pch_preprocess): New.
19017 (c_parser_new): Merge into ...
19018 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19020 2006-01-04 Jeff Law <law@redhat.com>
19023 * tree-cfg.c (bsi_replace): Remove the original statement
19024 from the EH throw statement table.
19026 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19028 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19029 make the prototype extern "C" and add throw ().
19032 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19033 and pos non-negative and pos + len <= 32.
19034 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19035 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19036 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19039 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19040 as well as sizes not multiple of component size.
19043 * function.c (instantiate_expr): New function.
19044 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19045 walk its DECL_VALUE_EXPR with instantiate_expr.
19047 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19048 DW_OP_deref{,_size} if address isn't going to be added.
19050 2006-01-04 Ben Elliston <bje@au.ibm.com>
19052 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19053 * config/fp-bit.c: Likewise.
19055 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19057 * dominance.c: Add comment about why we use DFS numbering
19060 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19061 Richard Henderson <rth@redhat.com>
19063 Merge from gomp-branch:
19064 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19065 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19067 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19069 PR rtl-optimization/25578
19070 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19071 pass a parameter to simplify_shift_const if changing ASHIFTRT
19074 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19076 * builtins.c (get_builtin_sync_mem): New function.
19077 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19078 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19079 Call get_builtin_sync_mem to generate mem rtx.
19081 2006-01-03 Richard Guenther <rguenther@suse.de>
19084 * stmt.c (add_case_node): Make sure to clear overflow flags
19087 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19089 Merge from gomp-branch.
19090 * config/sparc/sync.md: New file.
19091 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19092 UNSPECV_LDSTUB): New constants.
19093 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19094 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19095 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19098 2006-01-03 Roger Sayle <roger@eyesopen.com>
19100 * combine.c (reg_subword_p): New predicate to test whether the
19101 destination of a set refers to a subword/piece of a register.
19102 (try_combine): Generalize the code to merge the setting of a
19103 pseudo to a constant followed by a set of a subword of that
19104 register to a constant.
19106 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19108 * basic-block.h (control_flow_graph): Change the type of
19109 x_label_to_block_map to VEC(basic_block,gc) *.
19110 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19111 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19113 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19114 VEC(basic_block,heap) *.
19115 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19116 ssa_prop_fini): Adjust the uses of cfg_blocks.
19118 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19120 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19122 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19123 hashing trees instead of a pointer hash.
19124 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19125 compare for MEM_EXPR.
19127 PR rtl-optimization/25130
19128 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19129 when comparing MEMs for GCSE
19131 2006-01-03 Ben Elliston <bje@au.ibm.com>
19133 * targhooks.h (default_decimal_float_supported_p): Declare.
19134 * targhooks.c (default_decimal_float_supported_p): Define.
19135 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19136 `default_decimal_float_supported_p'.
19137 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19139 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19141 * combine.c (apply_distributive_law <SUBREG>): Check
19142 TRULY_NOOP_TRUNCATION.
19144 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19146 * dwarf2out.c (have_switched_text_section): Delete.
19147 (have_multiple_function_sections): New.
19148 (have_location_lists): Make 'bool'.
19149 (add_AT_loc_list): Use 'true' not '1'.
19150 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19151 (output_loc_list): Use have_multiple_function_sections.
19152 (output_ranges): Likewise.
19153 (dwarf2out_begin_function): Set have_multiple_function_sections if
19155 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19156 Check function_section rather than DECL_SECTION_NAME.
19157 (dwarf2out_finish): Use have_multiple_function_sections.
19158 Don't clear have_location_lists.
19160 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19161 Jan Hubicka <jh@suse.cz>
19163 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19164 case of conditional jump jumping to the next instruction.
19165 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19166 cases of conditional jump jumping to the next instruction.
19168 2006-01-02 Jan Hubicka <jh@suse.cz>
19170 * i386.c (*_cost): Add COSTS_N_INSNS.
19171 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19173 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19176 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19178 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19180 * config/arm/arm.c (all_fpus): Fix comment typo.
19181 * config/darwin.c: Likewise.
19182 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19183 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19184 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19186 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19188 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19189 (rs6000_split_compare_and_swapqhi): New.
19190 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19191 (sync_compare_and_swapqhi_internal): New.
19192 * config/rs6000/rs6000-protos.h: Declare.