| blob | b333fe2b1f41e91dd97af0aaa0748bb2367ac656 |
1 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3 PR tree-optimization/28411
4 * double-int.c (double_int_div): Use double_int_divmod.
5 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
6 double_int_mod, double_int_smod, double_int_umod): New functions.
7 * double-int.h (double_int_divmod, double_int_sdivmod,
8 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
9 Declare.
10 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
11 in double_int.
12 (get_computation_aff, get_computation_cost_at): Handle double_int
13 return type of constant_multiple_of.
15 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
17 PR middle-end/26632
18 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
19 an implicit conversion.
21 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
23 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
25 2006-08-27 Roger Sayle <roger@eyesopen.com>
27 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
28 x87 instructions.
30 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
32 * config/i386/crtfastmath.c: Fix a comment typo.
34 2006-08-26 Roger Sayle <roger@eyesopen.com>
36 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
37 temporary visit flags on CASE_LABEL_EXPRs.
38 * c-common.c (match_case_to_enum): Add function comment. Avoid
39 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
40 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
41 CASE_HIGH_SEEN for enumerated types. If the switch expression is
42 a constant, only warn if that constant value isn't handled.
44 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
46 PR c++/24009
47 * input.h (restore_input_file_stack): Declare.
48 (INPUT_FILE_STACK_BITS): Define.
49 * toplev.c (fs_p, input_file_stack_history,
50 input_file_stack_restored, restore_input_file_stack): New.
51 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
52 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
53 (pop_srcloc): Don't free old state of stack.
55 2006-08-26 David Edelsohn <edelsohn@gnu.org>
57 PR target/27544
58 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
59 (PowerPC Type Attributes): New.
61 2006-08-26 Bob Wilson <bob.wilson@acm.org>
63 * config/xtensa/xtensa.c (function_arg_boundary): New.
64 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
65 STACK_BOUNDARY.
66 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
67 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
69 2006-08-26 Jakub Jelinek <jakub@redhat.com>
71 PR middle-end/28683
72 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
73 3 following insns.
75 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
77 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
78 (verify_local_live_at_start): Likewise.
80 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
82 PR c/27893
83 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
84 omp_add_variable): Treat sizes as variable whenever not
85 INTEGER_CST.
87 2006-08-26 Richard Guenther <rguenther@suse.de>
89 PR middle-end/28814
90 * fold-const.c (fold_binary): Fold temporary to correct
91 type before constructing new comparison.
93 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
95 PR c/28418
96 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
97 variable again if DECL_SEEN_IN_BIND_EXPR_P.
99 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
101 PR c/28299
102 * c-decl.c (start_function): Don't try to process prototype
103 information from old declaration that isn't a function.
105 2006-08-25 Jan Hubicka <jh@suse.cz>
107 PR target/28621
108 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
110 2006-08-25 Alan Modra <amodra@bigpond.net.au>
112 PR target/27075
113 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
114 for 8 byte objects.
116 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
118 PR tree-optimization/16876
119 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
120 exit if PARM doesn't match VALUE.
122 2006-08-25 Bob Wilson <bob.wilson@acm.org>
124 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
125 literal_prefix directive.
126 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
127 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
128 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
130 2006-08-25 David Edelsohn <edelsohn@gnu.org>
132 PR target/28753
133 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
134 predicate to general_operand. Add 0->y and I->r alternatives.
136 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
138 * doc/tm.texi: Fix a typo.
139 * predict.c: Fix comment typos.
141 2006-08-25 Nick Clifton <nickc@redhat.com>
143 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
144 assertions of "cpu" and "machine".
146 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
148 PR tree-opt/28807
149 * tree-ssa-operands.c (access_can_touch_variable): Don't say
150 the access through a base which has an alias set of 0 cannot
151 touch the variable.
153 2006-08-24 Bill Wendling <wendling@apple.com>
155 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
157 2006-08-24 Jan Hubicka <jh@suse.cz>
159 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
161 2006-08-24 Jan Hubicka <jh@suse.cz>
163 PR debug/26881
164 * cgraph.c: Fix comments.
165 (cgraph_varpool_mark_needed_node): Mark only variables not already
166 output to file.
167 * cgraphunit.c: Update comments; include gt-cgraphunit.h
168 (cgraph_varpool_assembled_nodes_queue): New static variable.
169 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
170 (cgraph_varpool_output_debug_info): New function.
171 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
172 * Makefile.in: Add gt-cgraphunit.h
174 2006-08-24 Jan Hubicka <jh@suse.cz>
176 * predict.c (probability_reliable_p): New predicate.
177 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
178 (predict_loops): Do not predict loop exit with less than 2%
179 probability.
180 * basic-block.h (edge_probability_reliable_p,
181 br_prob_note_reliable_p): Declare.
182 * ia64.h (ia64_print_operand): Do not disable on-chip branch
183 prediction when static predictor is not reliable.
184 * rs6000.c (output_cbranch): Likewise.
186 2006-08-23 Stuart Hastings <stuart@apple.com>
188 PR 28825
189 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
190 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
192 2006-08-21 Geoffrey Keating <geoffk@apple.com>
194 PR debug/28692
195 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
196 complex values, nor for generic vector values.
198 2006-08-22 Richard Guenther <rguenther@suse.de>
200 PR middle-end/28776
201 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
202 parameter. Convert arguments to arithmetic expression to the
203 chrecs type.
204 (analyze_scalar_evolution_1): Adjust caller.
206 2006-08-22 Jan Hubicka <jh@suse.cz>
208 Patch by Paolo Bonzini
209 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
210 my previous patch.
212 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
214 PR tree-optimization/28003
215 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
216 before grouping aliases.
218 2006-08-22 Roger Sayle <roger@eyesopen.com>
220 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
221 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
223 2006-08-21 Jason Merrill <jason@redhat.com>
225 PR c++/27115
226 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
227 wrapper. Loop to handle nested wrappers.
228 (gimplify_bind_expr): Remove temp parameter.
229 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
230 and STATEMENT_LIST on the rhs.
231 (gimplify_statement_list): Voidify the STATEMENT_LIST.
232 (gimplify_expr): Pass pre_p to gimplify_statement_list.
233 (gimplify_target_expr): Remove special BIND_EXPR handling.
235 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
237 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
238 #if !__SHMEDIA__ .
240 2006-08-21 Olivier Hainque <hainque@adacore.com>
242 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
243 Arrange for the temporary captures of components overlapping the lhs
244 to happen before the lhs is possibly cleared.
246 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
248 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
249 necessary places to pass the correct "number of registers" values
250 to _Unwind_VRS_Pop.
252 2006-08-20 Jan Hubicka <jh@suse.cz>
254 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
255 (create_name_tags): Instead of quadratic checking use hashtable.
256 * bitmap.h: Include hashtab.h.
257 (bitmap_hash): Declare.
258 * bitmap.c (bitmap_hash): New function.
260 2006-08-20 Jan Hubicka <jh@suse.cz>
262 PR rtl-optimization/28071
263 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
264 twice.
265 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
266 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
267 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
268 cgraph_decide_inlining_incrementally): Update use of
269 cgraph_check_inline_limits.
270 * cgraph.c (edge_hash, edge_eq): New function.
271 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
272 cgraph_edge_remove_caller, cgraph_node_remove_callees,
273 cgraph_remove_node): Maintain call site hash.
274 * cgraph.h (struct cgraph_node): Add call_site_hash.
275 (cgraph_set_call_stmt): New function.
277 2006-08-20 Jan Hubicka <jh@suse.cz>
279 PR rtl-optimization/28071
280 * reload1.c (reg_has_output_reload): Turn into regset.
281 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
282 choose_reload_regs, emit_reload_insns): Update to new
283 reg_has_output_reload.
285 2006-08-20 Jan Hubicka <jh@suse.cz>
287 PR middle-end/28779
288 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
289 function body sizes.
290 * cgraphunit.c (cgraph_analyze_function): Don't do so.
292 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
294 PR target/28648 c:
295 * tree.c (handle_dll_attribute): Return early if not a
296 var or function decl.
298 2006-08-18 Joseph Myers <joseph@codesourcery.com>
300 PR target/27565
301 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
302 alignment of SPE vector types.
304 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
306 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
308 2006-08-17 Jakub Jelinek <jakub@redhat.com>
310 PR c/28744
311 * cgraph.h (struct cgraph_node): Remove externally_visible
312 bitfield.
313 * cgraphunit.c (process_function_and_variable_attributes): Set
314 local.externally_visible rather than externally_visible.
316 PR c/28744
317 * c-common.c (handle_externally_visible_attribute): First look
318 at TREE_CODE and only if it is function or var decl, check for
319 non-public objects. Don't warn for DECL_EXTERNAL.
320 * cgraphunit.c (process_function_and_variable_attributes): Warn
321 if externally_visible attribute is used on non-public object.
323 2006-08-17 Jan Hubicka <jh@suse.cz>
325 PR tree-optimization/27865
326 * reload1.c (forget_marked_reloads): New function.
327 (forget_old_reloads_1): When data are passed, just mark the registers
328 for later removal.
329 (reload_as_needed): Use the new mechanizm.
331 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
333 PR target/28146
334 * reload.h (reg_equiv_alt_mem_list): New declaration.
335 * reload1.c (reg_equiv_alt_mem_list): New definition.
336 (reload): Initialize it and release it.
337 (delete_output_reload): Use it.
338 * reload.c (push_reg_equiv_alt_mem): New function.
339 (find_reloads_toplev): Call it.
340 (find_reloads_address, find_reloads_address_1): Likewise.
341 (find_reloads_subreg_address): Likewise.
343 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
345 PR rtl-optimization/28489
346 * sched-ebb.c (begin_schedule_ready): Create basic block
347 at the right place.
348 (advance_target_bb): Skip empty blocks.
349 * haifa-sched.c (bb_note): Make global.
350 * sched-int.h (bb_note): Add prototype.
352 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
354 PR tree-optimization/27865
355 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
356 for pointer types.
357 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
358 fold_used_pointer, pointer_used_p): New functions.
359 (analyze_scalar_evolution_1): Use fold_used_pointer.
360 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
361 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
362 for pointers.
364 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
366 PR c++/28573
367 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
368 or the INTEGER_CST. Fail on a CALL_EXPR.
369 (fold_offsetof): Pass new argument to fold_offsetof_1.
370 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
371 operand into an INDIRECT_REF.
372 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
374 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
376 PR gcov/profile/26570
377 * value-prof.c (static_values): Removed.
378 (tree_find_values_to_profile): Do not set static_values.
379 (find_values_to_profile): Do not free static_values.
380 * profile.c (instrument_values): Do not free the values.
381 (branch_prob): Free the values.
383 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
385 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
387 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
389 PR c/27697
390 * c-typeck.c (build_component_ref): Combine qualifiers of
391 structure or union and field.
393 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
395 PR rtl-optimization/28071
396 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
397 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
398 * tree-into-ssa.c (struct dom_dfsnum): New.
399 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
400 functions.
401 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
402 compute_global_livein.
403 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
404 in phi nodes in the correct blocks.
406 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
408 PR tree-optimization/28364
409 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
410 correctly.
411 (fold_affine_expr): New function.
412 (may_eliminate_iv): Use fold_affine_expr.
414 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
416 PR c/27489
417 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
418 Clean up.
420 2006-08-16 Mike Stump <mrs@apple.com>
422 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
423 * doc/cppopts.texi (-MD): Likewise.
425 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
427 PR c/28287
428 * c-common.c (handle_weak_attribute): Ignore and warn if
429 not a FUNCTION_ or VAR_DECL.
431 2006-07-15 Mike Stump <mrs@apple.com>
433 PR c/28280
434 * c-parser.c (c_parser_typeof_specifier): Don't use
435 c_finish_expr_stmt, open code desired semantics instead.
437 2006-08-15 Nick Clifton <nickc@redhat.com>
439 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
440 fragment to tmake_file only if threads are enabled.
441 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
442 * config/i386/t-gthr-win32: New file. ... here.
444 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
446 PR c/28649
447 * c-parser.c (c_parser_compound_statement_nostart): Reset
448 parser->error after each statement.
450 2006-08-15 Jakub Jelinek <jakub@redhat.com>
452 PR middle-end/28713
453 * omp-low.c (lower_omp_parallel): Convert t to
454 receiver_decl's type.
455 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
456 source before comparison.
458 PR middle-end/28724
459 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
460 to itype in assignment to oldival2.
462 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
464 PR c/27490
465 PR c/27489
466 * c-typeck.c (build_compound_expr): If the second expression
467 is an error mark, then just return an error mark instead of
468 creating a COMPOUND_EXPR.
470 2006-07-14 Mike Stump <mrs@apple.com>
472 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
474 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
476 * c-decl.c, var-tracking.c: Fix comment typos.
478 2006-08-14 Richard Sandiford <richard@codesourcery.com>
480 PR rtl-optimization/28634
481 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
482 for floating-point modes unless flag_unsafe_math_optimizations.
484 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
485 Andrew Pinski <pinskia@physics.uc.edu>
487 PR c/27184
488 * tree.c (build_array_type): Unify array types with
489 unspecified index_type.
490 * c-decl.c (grokdeclarator): Make sure we do not modify a
491 unified incomplete array type.
492 * c-typeck.c (store_init_value): Create distinct type before
493 filling in the index type in an initializer from a compound
494 literal.
496 * c-decl.c (grokdeclarator): Remove code where we copy the
497 array type over.
499 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
501 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
502 into account for TODO_dump_cgraph.
503 (TODO_update_ssa_no_phi): Likewise.
504 (TODO_update_ssa_full_phi): Likewise.
505 (TODO_update_ssa_only_virtuals): Likewise.
506 (TODO_remove_unused_locals): Likewise.
507 (TODO_set_props): Likewise.
508 (TODO_update_stmt_usage): Likewise.
510 2006-08-13 Dirk Mueller <dmueller@suse.de>
512 * c-common.c (strict_aliasing_warning): Fix formatting.
514 2006-08-13 Matthias Klose <doko@debian.org>
516 * doc/invoke.texi: Fix spelling errors.
518 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
520 PR rtl-optimization/23454
521 * reorg.c (relax_delay_slots): Update comment.
523 2006-08-11 Richard Guenther <rguenther@suse.de>
525 PR middle-end/28651
526 * simplify-rtx.c (simplify_const_relational_operation):
527 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
528 codes.
530 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
532 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
533 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
535 2006-08-10 Paul Brook <paul@codesourcery.com>
537 * final.c (final_scan_insn): Clear current_insn_predicate before
538 outputting inline asm.
540 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
542 PR tree-optimization/26197
543 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
544 get_ref_base_and_extent and overlap_subvar to add only relevant
545 subvars as may-aliases.
546 (add_may_alias_for_new_tag): New function, factored out of
547 new_type_alias.
548 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
549 with additional argument.
550 * tree-flow.h (new_type_alias): Takes additional argument.
552 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
554 * gcov.c (no_data_file): New flag.
555 (read_count_file): Set it if data file not present. Assume counts
556 zero if not found.
557 (output_lines): Don't name the data file, if there wasn't one.
559 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
561 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
562 (rs6000_generate_compare): Tweak comments.
563 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
565 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
567 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
568 (var_debug_decl): New function.
569 (var_reg_set): Follow debug decl link. Add location even if
570 reg is already known to hold some other variable.
571 (var_mem_set): Follow debug decl link.
572 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
573 decl link. Delete other known locations of the variable part
574 if requested.
575 (var_reg_delete, var_mem_delete): Delete other known locations
576 of the variable part if requested.
577 (same_variable_part_p): New function.
578 (add_stores): Select MO_COPY when appropriate.
579 (vt_initialize): Handle it.
580 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
581 known locations for MO_SET and MO_CLOBBER.
582 (find_variable_location_part): New function.
583 (set_variable_part, delete_variable_part): Use it.
584 (clobber_variable_part): New function.
585 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
586 decl link.
588 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
590 PR tree-optimization/26969
591 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
592 with an empty list of PHIs.
594 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
596 PR target/27827
598 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
599 instructions.
601 2006-08-06 Andreas Schwab <schwab@suse.de>
603 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
604 string. Whitespace and comment fixup.
606 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
608 PR c/28502
609 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
610 argument.
612 PR c/27721
613 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
615 PR c/28136
616 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
618 2006-08-04 Jan Hubicka <jh@suse.cz>
620 PR target/26655
621 PR target/28270
622 * reload.c (push_reload): Patch out the mismatching instruction;
623 return early.
624 (find_reload): Bail out if the instruction was patched out.
626 2006-08-04 Jan Hubicka <jh@suse.cz>
628 PR tree-optimization/24888
629 * tree-inline.c (expand_call_inline): Do not re-record variables.
630 (declare_inline_vars): Add variable to unexpanded_var_list.
632 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
633 Roger Sayle <roger@eyesopen.com>
635 PR rtl-optimization/26244
636 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
637 inner_const are negative or greater than or equal to the bitsize of
638 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
639 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
640 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
641 CONST0_RTX (mode) when the new shift count is greater than or equal to
642 to the bitsize of the object being shifted and XEXP (y, 0) has no side
643 effects.
645 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
647 * tree-cfg.c: Fix a comment typo.
649 2006-08-03 Mark Mitchell <mark@codesourcery.com>
651 PR c++/28148
652 * varasm.c (output_constant): Give the front end another chance to
653 expand constants, after stripping NOPs.
655 2006-08-03 Jan Hubicka <jh@suse.cz>
657 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
658 implementation.
660 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
662 PR tree-optimization/27770
663 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
664 declaration removed (moved to tree-flow.h).
665 (vect_can_force_dr_alignment_p): Likewise.
666 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
667 (moved from tree-vectorizer.h).
668 (vect_can_force_dr_alignment_p): Likewise.
669 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
670 from outside the vectorizer - in particular from cgraph stage.
671 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
672 the alignment of global arrays when -fsection-anchors is enabled.
673 * cgraphunit.c (cgraph_increase_alignment): New function.
674 (cgraph_optimize): Call cgraph_increase_alignment.
676 2006-08-03 David Edelsohn <edelsohn@gnu.org>
678 PR target/27566
679 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
680 not reload a SPE symbol_ref into a lo_sum address.
682 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
684 PR debug/28063
685 * dwarf2out.c (prune_unused_types_prune): Move call to
686 prune_unused_types_update_strings to cover the parent DIE also.
688 2006-08-02 Jan Hubicka <jh@suse.cz>
690 PR gcov/profile/28480
691 * tree-cfg.c (change_bb_for_stmt): New function.
692 (tree_merge_blocks, tree_split_blocks): Use it.
694 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
696 PR c++/28250
697 PR c++/28257
698 PR c++/28259
699 PR c++/28267
700 * toplev.c (compile_file): Return early on errorcount or sorrycount.
701 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
702 (cgraph_optimize): Likewise.
704 2006-08-01 Stuart Hastings <stuart@apple.com>
706 * rtl.h (UINTVAL) New.
707 * config/rs6000/rs6000.c (SMALL_INT) Use it.
708 * testsuite/gcc.dg/20060801-1.c: New.
710 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
712 PR debug/23336
713 * c-typeck.c (build_external_type): Mark used enum types.
714 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
715 cfun also.
716 (gen_subprogram_die): Whitespace fix.
718 2006-08-01 Jan Hubicka <jh@suse.cz>
720 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
721 bitmap when not needed.
722 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
723 bitmaps.
725 2006-08-01 Dirk Mueller <dmueller@suse.de>
727 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
729 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
731 * Makefile.in: Revert part of previous patch:
732 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
733 and REGS_H.
735 2006-07-30 Eric Christopher <echristo@apple.com>
737 PR target/27543
738 * doc/extend.texi (i386 Variable Attributes): Add anchor.
739 (PowerPC Variable Attributes): New section.
741 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
743 PR target/28126 (partial fix)
744 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
746 2006-07-28 Jan Hubicka <jh@suse.cz>
748 PR rtl-optimization/28071
749 * cfgrtl.c (rtl_delete_block): Free regsets.
750 * flow.c (allocate_bb_life_data): Re-use regsets if available.
752 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
754 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
755 and variables used in dependencies.
757 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
759 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
760 %fs for -mcmodel=kernel.
761 (stack_tls_protect_test_di): Likewise.
763 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
765 * Makefile.in: Use mkinstalldirs.
767 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
769 PR driver/28437
770 * opts-common.c (prune_options): Skip joined switches.
772 2006-07-27 Jan Hubicka <jh@suse.cz>
774 PR rtl-optimization/28071
775 * cselib.c (cselib_process_insn): Don't remove useless values too
776 often for very large hashtables.
778 2006-07-27 Jan Hubicka <jh@suse.cz>
780 PR rtl-optimization/28071
781 * global.c (greg_obstack): New obstack.
782 (allocate_bb_info): Use it.
783 (free_bb_info): Likewise.
784 (modify_reg_pav): Likewise.
786 2006-07-27 Roger Sayle <roger@eyesopen.com>
788 * builtins.c (fold_fixed_mathfn): When long and long long are the
789 same size, canonicalize llceil*, llfloor*, llround* and llrint*
790 functions to their lceil*, lfloor*, lround* and lrint* forms.
792 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
794 PR gcc/28508
795 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
796 branch.
797 (rev_branch_insn): Likewise.
799 2006-07-27 Jan Hubicka <jh@suse.cz>
801 PR rtl-optimization/28071
802 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
803 (reg_set_in_bb, max_reg_computed): New static variables.
804 (regmove_optimize): Free the new array.
805 (fixup_match_1): Update call of reg_is_remote_constant_p.
807 2006-07-26 Jan Hubicka <jh@suse.cz>
809 PR tree-optimization/27882
810 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
811 and decl fields.
812 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
813 next pointer
814 (cgraph_analyze_compilation_unit): Likewise.
815 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
816 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
817 (cgraph_early_inlinine): Make order garbage collected.
818 * Makefile.in (gt-ipa-inline): New garbagecollected file.
820 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
822 * dbxout.c (output_types_sort): Add a comment.
823 (output_used_types): Free the VEC.
825 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
827 * function.c (reorder_fix_fragments): Delete.
828 (reorder_blocks): Don't call it.
829 (reorder_blocks_1): Put all subblocks under the origin block.
831 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
833 PR rtl-optimization/27907
834 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
835 FLOAT_TRUNCATE.
837 2006-07-25 Roger Sayle <roger@eyesopen.com>
839 PR middle-end/28473
840 * convert.c (convert_to_integer): When transforming (T)foo(x) into
841 bar(x) check that bar's result type can represent all the values of T.
843 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
845 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
847 2006-07-25 Nick Clifton <nickc@redhat.com>
849 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
850 size_lookup[] array.
851 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
852 (ggc_pch_count_object): Likewise.
853 (ggc_pch_alloc_object): Likewise.
854 (ggc_pch_write_object): Likewise.
855 (init_ggc): Do not attempt to initialize entries in the
856 size_lookup[] array for objects whose size is greater than than
857 the length of the array.
859 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
861 * dbxout.c (output_used_types_helper): Push queued types
862 on a VEC.
863 (output_types_sort): New.
864 (output_used_types): Collect used types on a VEC and sort them
865 before emission.
867 2006-07-24 Richard Guenther <rguenther@suse.de>
869 PR middle-end/28463
870 * cgraph.c (cgraph_remove_node): Do not check if dumps
871 are enabled.
872 * cgraphunit.c (cgraph_optimize): Likewise.
874 2006-07-24 Jan Hubicka <jh@suse.cz>
876 PR rtl-optimization/28071
877 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
878 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
879 splitting before first stmt.
881 2006-07-24 Jan Hubicka <jh@suse.cz>
883 PR rtl-optimization/28071
884 * ipa-inline.c (update_caller_keys): Remove edges that
885 are no longer inline candidates.
887 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
889 PR debug/27473
890 * dbxout.c (output_used_types_helper, output_used_types): New.
891 (dbxout_symbol): Call output_used_types.
893 2006-07-23 Jan Hubicka <jh@suse.cz>
895 PR c/25795
896 PR c++/27369
897 * cgraph.c (cgraph_varpool_nodes): Export.
898 (decide_is_variable_needed): Ignored "used" attribute in
899 unit-at-a-time mode.
900 * cgraph.h (cgraph_varpool_nodes): Declare.
901 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
902 unit-at-a-time mode.
904 2006-07-23 Roger Sayle <roger@eyesopen.com>
906 PR target/28247
907 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
908 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
909 the __gthrw form of thr_keycreate.
910 (__gthread_key_delete): Silence the unused argument warning.
912 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
914 PR debug/25468
915 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
916 Cache the last found '\0' marker to avoid quadratic behavior.
918 2006-07-23 Jan Hubicka <jh@suse.cz>
920 * i386.md (subsi_3_zext): Fix output template.
922 2006-07-21 Mike Stump <mrs@apple.com>
924 * doc/invoke.texi (C++ Dialect Options): Note that
925 -fvisibility-inlines-hidden doesn't affect explicitly
926 instantiationed inline methods.
928 2006-07-20 Roger Sayle <roger@eyesopen.com>
930 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
931 if the target assembler is GNU binutils' gas.
932 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
933 whether to pass GNU gas or native as command line options.
935 2006-07-20 Jason Merrill <jason@redhat.com>
937 * tree.c (remove_attribute): New fn.
938 * tree.h: Declare it.
940 2006-07-20 Paul Brook <paul@codesourcery.com>
942 PR 27363
943 * cse.c (cse_insn): Add destination addresses to hash table. Check if
944 they are invalidated by this instruction.
946 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
948 PR target/28427
949 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
951 2006-07-20 Eric Christopher <echristo@apple.com>
953 PR target/26877
954 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
956 2006-07-19 Eric Christopher <echristo@apple.com>
958 * config/t-slibgcc-darwin (stmp-lipo): Remove.
959 Rewrite dependencies for libgcc_s.1.dylib.
961 2006-07-19 Jakub Jelinek <jakub@redhat.com>
963 * except.c (duplicate_eh_regions_1): Clear next_peer.
965 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
967 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
968 -mlongcall does not guarantee all calls will be long.
969 * doc/extend.texi (long_call/short_call): Document that longcall
970 does not guarantee a long call will be used.
971 (longcall/shortcall): Likewise.
973 2006-07-18 Roger Sayle <roger@eyesopen.com>
975 PR middle-end/28283
976 * expmed.c (expand_shift): Additionally check that the shift_cost
977 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
978 before implementing a LSHIFT_EXPR as a sequence of additions.
979 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
980 middle-end that DImode shifts need to be synthesized by expand.
982 2006-07-18 Diego Novillo <dnovillo@redhat.com>
984 PR 28410
985 * tree-ssa-operands.c (access_can_touch_variable): Update
986 comment.
987 Return true if ALIAS is .GLOBAL_VAR.
989 2006-07-18 David Daney <ddaney@avtrex.com>
991 * gcc.c (display_help): Fix typo in help text.
993 2006-07-18 Olivier Hainque <hainque@adacore.com>
995 * tree.h (categorize_ctor_elements): Adjust prototype and add
996 descriptive comment, both in accordance with the interface change
997 described below.
998 * varasm.c (constructor_static_from_elts_p): New function.
999 Whether a constructor node is a valid static constant initializer
1000 if all its elements are.
1001 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1002 * output.h: Declare it.
1003 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1004 is a valid constant initializer instead of computing the number of
1005 non-constant elements. Use constructor_static_from_elts_p for this
1006 purpose. Replace the head comment with an indication that this is a
1007 helper for categorize_ctor_elements.
1008 (categorize_ctor_elements): Same interface change as for the _1
1009 helper. Former head comment from this helper moved here, adjusted to
1010 account for the interface changes.
1011 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1012 (all_zeros_p): Likewise.
1013 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1014 static versions of the constructor from the categorize_ctor_elements
1015 return value instead of the formerly computed number of non-constant
1016 elements.
1018 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1020 * configure: Regenerate.
1021 * Makefile.in (build_libsubdir): New configure substitution
1022 (build_libobjdir): New variable.
1023 (BUILD_LIBIBERTY): Use it.
1025 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1027 PR c/28286
1028 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1030 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1032 PR c/26993
1033 * c-common.c (handle_weakref_attribute): Ignore attribute in
1034 the same conditions the alias attribute is ignored.
1036 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1038 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1039 (dbxout_begin_prologue): Increment scope_labelno.
1041 2006-07-17 Richard Henderson <rth@redhat.com>
1043 PR 27889
1044 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1045 if needed.
1047 2006-07-17 Roger Sayle <roger@eyesopen.com>
1048 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1050 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1051 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1052 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1053 functions such as sbrk, write, etc.. Add function prototypes.
1054 Convert function declarations from K&R to ISO C. Cast pointers
1055 to "long" and "unsigned long" instead of "int" and "unsigned int".
1056 Convert tokens following #endif into comments.
1058 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1060 * invoke.texi: Remove mention of f77; Reformat table for
1061 inline parameter options correctly; mention that -malign-double
1062 is default on x86-64 targets.
1064 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1066 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1067 (convert_affine_scev, chrec_convert_aggressive): Use
1068 avoid_arithmetics_in_type_p. Do not check for the subtypes
1069 separately.
1071 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1073 PR middle-end/28403
1074 * optabs.c (expand_doubleword_shift): Wrap the call to
1075 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1077 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1079 PR middle-end/28402
1080 * optabs.c (expand_binop): Pass next_methods rather than methods
1081 to expand_doubleword_shift.
1083 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1085 PR other/28251
1086 * tree.h (dump_addr): Declare.
1087 * print-tree.c (dump_addr): New function.
1088 (print_node_brief, print_node): Use it.
1089 * print-rtl.c (print_rtx): Likewise.
1090 * common.opt (-fdump-noaddr): New option.
1091 * doc/invoke.texi (-fdump-noaddr): Document.
1092 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1093 (ve_info_hash): Likewise.
1095 2006-07-13 Andrew Haley <aph@redhat.com>
1097 PR tree-optimization/19505
1098 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1099 edge leaving this block, make sure that the destination of this
1100 block has only one predecessor.
1102 2006-07-17 Richard Guenther <rguenther@suse.de>
1104 PR tree-optimization/28238
1105 * tree-inline.c (copy_bb): Check if we produced valid
1106 gimple copying and substituting a stmt. If not, gimplify
1107 it.
1109 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1111 * optabs.c (maybe_encapsulate_block): New function extracted from...
1112 (emit_libcall_block): ...here. Invoke it on the block of insns to
1113 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1114 (emit_no_conflict_block): Likewise.
1116 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1118 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1120 2006-07-15 Roger Sayle <roger@eyesopen.com>
1122 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1123 a new NOP_EXPR case of the switch statement.
1125 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1127 PR middle-end/28160
1128 * stor-layout.c (place_field): Take the bit field with
1129 an excessive size into account in the ms-bitfiled case.
1131 PR middle-end/28161
1132 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1133 the previous bit field.
1135 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1137 PR target/27287
1138 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1140 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1142 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1143 signal frames correctly even when the signal was installed with
1144 sa_restorer set.
1146 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1148 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1149 (dbxout_function_end): Use local label LFBB. Remove hook
1150 DBX_OUTPUT_NFUN.
1151 (dbxout_source_line): Use local label LFBB.
1152 (dbxout_block): Likewise.
1153 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1154 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1155 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1156 and DBX_OUTPUT_NFUN.
1158 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1160 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1162 2006-07-13 Jan Hubicka <jh@suse.cz>
1164 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1165 align_variable.
1166 * output.h (align_variable): Declare.
1167 * varasm.c (align_variable): Export.
1168 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1169 when basic block changed.
1171 2006-07-13 Nick Clifton <nickc@redhat.com>
1173 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1174 walking the LOG_LINKS chain.
1176 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1178 * doc/invoke.texi (C++ Dialect Options): Explain difference
1179 between -fvisibility-inlines-hidden and setting hidden
1180 visibility explicitly.
1182 2006-07-12 Eric Christopher <echristo@apple.com>
1184 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1185 (stmp-lipo): Depend on libgcc.a.
1187 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1189 * tree.c: Fix a comment typo.
1191 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1193 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1194 dest.
1195 (umulhisi3_r): Likewise.
1197 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1199 PR libstdc++/27878
1200 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1201 x < 19, vs wchar_t support.
1203 2006-07-12 Nick Clifton <nickc@redhat.com>
1205 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1206 instead of -isa=sh4.
1208 2006-07-12 Mike Stump <mrs@apple.com>
1210 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1212 2006-07-10 Eric Christopher <echristo@apple.com>
1214 * config/t-slibgcc-darwin: Rewrite.
1216 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1218 PR bootstrap/20437
1219 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1220 dependencies.
1222 2006-07-08 Matthias Klose <doko@debian.org>
1224 * doc/sourcebuild.texi: Fix typo.
1226 2006-07-07 Mike Stump <mrs@apple.com>
1228 * toplev.c (process_options): Don't give -ffunction-sections may
1229 affect debugging warning for Mach-O.
1231 2006-07-07 James E Wilson <wilson@specifix.com>
1233 * config/mips/mips.md (cpu): Add sb1a.
1234 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1235 addition to sb1. Adjust comments to clarify SB-1A differences from
1236 SB-1.
1237 (ir_sb1a_load): New. Modify bypasses to use it.
1238 (ir_sb1a_simple_alu): Likewise.
1239 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1240 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1241 (mips_issue_rate): Add PROCESSOR_SB1A.
1242 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1243 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1244 (TARGET_SB1): Add PROCESSOR_SB1A check.
1245 (TUNE_SB1): Likewise.
1247 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1248 * config/mips/mips.c (mips_store_data_bypass_p): New.
1249 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1250 store_data_bypass_p.
1252 2006-07-08 Paul Brook <paul@codesourcery.com>
1254 PR target/27991
1255 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1257 2006-07-07 Richard Guenther <rguenther@suse.de>
1259 PR middle-end/28268
1260 * tree.h (build_one_cst): Declare.
1261 * tree.c (build_one_cst): New function.
1262 * tree-ssa-math-opts.c (get_constant_one): Remove.
1263 (insert_reciprocals): Use build_one_cst.
1264 * fold-const.c (fold_plusminus_mult): Likewise.
1266 2006-07-07 Roger Sayle <roger@eyesopen.com>
1268 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1269 * cfgloopanal.c (dump_graph): Likewise.
1270 * dojump.c (discard_pending_stack_adjust): Likewise.
1271 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1272 Likewise.
1273 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1274 * function.c (finalize_block_changes): Likewise.
1275 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1276 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1277 * rtl.c (dump_rtx_statistics): Likewise.
1278 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1279 Likewise.
1280 * varray.c (dump_varray_statistics): Likewise.
1281 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1282 decode_decimal64, encode_decimal128, decode_decimal128,
1283 decimal_real_to_decimal): Likewise.
1285 2006-07-07 Richard Guenther <rguenther@suse.de>
1287 PR tree-optimization/28187
1288 * tree-vrp.c (vrp_operand_equal_p): New function.
1289 (vrp_bitmap_equal_p): Likewise.
1290 (update_value_range): Use them to compare old and new
1291 max and min values.
1293 2006-07-06 Roger Sayle <roger@eyesopen.com>
1295 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1296 a default case to switch statement to silence compiler warnings.
1298 2006-07-06 Roger Sayle <roger@eyesopen.com>
1300 PR target/27968
1301 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1302 the configured assembler supports the x87's ffreep mnemonic.
1303 * configure: Regenerate.
1304 * config.in: Regenerate.
1306 * config/i386/i386.c (output_387_ffreep): New function.
1307 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1308 (output_387_reg_move): Likewise.
1310 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1312 Port to hosts whose 'sort' and 'tail' implementations
1313 treat operands with leading '+' as file names, as POSIX
1314 has required since 2001. However, make sure the code still
1315 works on pre-POSIX hosts.
1316 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1317 which says you should use "tail -c +N" rather than "tail +Nc".
1318 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1320 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1322 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1323 argument name.
1325 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1327 PR target/28150
1328 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1329 PRE_{INC,DEC} of TFmode.
1331 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1332 Alan Modra <amodra@bigpond.net.au>
1334 PR target/28170
1335 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1336 bounds. Simplify.
1338 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1340 PR target/28285
1341 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1342 Remove duplicate gtu.
1344 2006-07-05 Jason Merrill <jason@redhat.com>
1346 PR c++/13983
1347 PR c++/17519
1348 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1349 * c-common.c (handle_packed_attribute): So don't copy it here.
1350 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1352 2006-07-05 Mike Stump <mrs@apple.com>
1354 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1356 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1358 PR target/26146
1359 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1361 2006-07-05 Richard Guenther <rguenther@suse.de>
1363 PR target/28158
1364 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1365 TARGET_SSE2 targets if using SSE math.
1366 (*absdf2_1): Likewise.
1368 2006-07-05 Richard Guenther <rguenther@suse.de>
1370 PR tree-optimization/28162
1371 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1372 make sure to convert the operands to the correct type.
1374 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1376 PR tree-optimization/28218
1378 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1379 to calculate and free the dominator information.
1381 2006-07-04 Peter O'Gorman <peter@pogma.com>
1383 * mklibgcc.in: chmod 644 before ranlib during install.
1385 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1386 J"orn Rennecke <joern.rennecke@st.com>
1388 * configure.ac (.eh_frame data check): Use diff -b.
1390 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1392 PR bootstrap/18058
1393 * Makefile.in (BUILD_RTL): Add build/vec.o.
1394 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1395 (build/genextract): Delete.
1396 (build/genautomata): Likewise.
1398 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1400 PR target/28207
1401 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1402 128-bit IBM long doubles for ABI_V4.
1404 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1406 * tree.c (range_in_array_bounds_p): New predicate.
1407 * tree.h (range_in_array_bounds_p): Declare it.
1408 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1409 return a less conservative answer.
1410 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1411 and flag 'is_group'.
1412 (IS_ELEMENT_FOR_GROUP): New macro.
1413 (FOR_EACH_ACTUAL_CHILD): Likewise.
1414 (next_child_for_group): New helper function.
1415 (can_completely_scalarize_p): Take into account groups.
1416 (sra_hash_tree): Handle RANGE_EXPR.
1417 (sra_elt_eq): Likewise.
1418 (lookup_element): Be prepared for handling groups.
1419 (is_valid_const_index): Delete.
1420 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1421 instead of is_valid_const_index.
1422 <ARRAY_RANGE_REF>: New case.
1423 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1424 is_valid_const_index.
1425 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1426 (scan_dump): Dump info for groups too.
1427 (decide_instantiation_1): Likewise.
1428 (decide_block_copy): Assert that the element is not a group.
1429 Propagate decision to groups.
1430 (generate_one_element_ref): Handle RANGE_EXPR.
1431 (mark_no_warning): Iterate over actual childs.
1432 (generate_copy_inout): Likewise.
1433 (generate_element_copy): Likewise.
1434 (generate_element_zero): Likewise.
1435 (generate_element_init_1): Likewise.
1436 (dump_sra_elt_name): Handle RANGE_EXPR.
1438 2006-07-03 Roger Sayle <roger@eyesopen.com>
1440 PR tree-optimization/26251
1441 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1442 (thread_block): When optimizing for size refuse to thread jumps
1443 that would require duplication of blocks other than redirection
1444 blocks.
1446 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1448 * configure.ac: Fix thinko in previous check-in.
1449 * configure: Regenerate.
1451 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1453 PR other/27063
1454 * configure.ac (for lang...): Simplify nesting of conditionals.
1455 Test subdir_requires for non-enabled languages. Move processing
1456 of lang_opt_files and lang_tree_fiels below that test.
1457 * configure: Regenerate.
1458 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1460 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1462 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1464 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1466 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1467 comment typos.
1469 2006-06-29 Jason Merrill <jason@redhat.com>
1471 PR c++/26905
1472 PR c++/26612
1473 PR c++/27000
1474 PR c++/26984
1475 PR c++/19134
1476 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1477 * c-common.c (c_determine_visibility): Handle it here.
1478 * c-decl.c (finish_decl): Call c_determine_visibility for
1479 functions, too.
1480 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1481 * tree.h: Likewise.
1482 * varasm.c (default_assemble_visibility): Likewise.
1483 * c-common.c (handle_visibility_attribute): Complain about trying
1484 to give visibility to an already defined class, or trying to change
1485 declared visibility. Always attach the attribute.
1487 PR c++/26905
1488 PR c++/21675
1489 PR c++/17470
1490 * attribs.c (decl_attributes): Ignore type-in-place attributes
1491 once the type has been defined.
1493 2006-06-29 Roger Sayle <roger@eyesopen.com>
1495 PR middle-end/27428
1496 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1497 to indicate the cpplib has issued an error message for us.
1499 2006-06-29 Asher Langton <langton2@llnl.gov>
1501 PR target/25765
1502 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1503 insert a label at the end of an function under Mach-O.
1505 2006-06-29 Eric Christopher <echristo@apple.com>
1506 Evan Cheng <evan.cheng@apple.com>
1508 * predicates.md (vector_all_ones_operand): New.
1509 (nonimmediate_or_sse_const_operand): Ditto.
1510 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1511 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1512 (standard_sse_mode_p): Ditto.
1513 (standard_sse_constant_p): Add case for -1 vector.
1514 (ix86_expand_vector_move): Try to use.
1515 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1516 Call standard_sse_constant_opcode.
1517 (*movv4sf_internal): Ditto.
1518 (*movv2df_internal): Ditto.
1520 2006-06-29 Roger Sayle <roger@eyesopen.com>
1522 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1523 of XEXP to extract the operands of a MATCH_CODE rtx.
1525 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1527 * tree.c (tree_size): Do not waste tail padding in
1528 struct tree_string and make the size be the same as
1529 build_string will generate.
1531 2006-06-28 Jason Merrill <jason@redhat.com>
1533 PR c++/27768
1534 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1535 may_aliases already in the tag's annotations to the bitmap.
1537 2006-06-28 Roger Sayle <roger@eyesopen.com>
1539 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1541 2006-06-28 Roger Sayle <roger@eyesopen.com>
1543 * genpreds.c (generate_switch_p): New function.
1544 (add_mode_tests): Push the new mode test down inside an AND expr
1545 if this allows the switch-suitable MATCH_CODE to be near the root.
1546 (write_match_code_switch): New function to write a MATCH_CODE as
1547 a switch statement.
1548 (write_predicate_stmts): New function to write a predicate RTX
1549 expression as a sequence of statements.
1550 (write_one_predicate_function): Use write_predicate_stmts.
1551 (write_tm_constrs_h): Likewise.
1553 2006-06-26 Fred Fish <fnf@specifix.com>
1555 * config/mips/t-sb1: New file.
1556 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1557 tmake_file list.
1559 2006-06-26 DJ Delorie <dj@redhat.com>
1561 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1563 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1564 Jayant Sonar <jayants@kpitcummins.com>
1565 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1567 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1568 (subsi3, subsi3_1, subsi3_2): New.
1569 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1570 * config/m32c/mov.md (SI mov peephole): New.
1571 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1572 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1574 2006-06-26 Olivier Hainque <hainque@adacore.com>
1576 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1577 a CALL_EXPR target function declaration.
1579 2006-06-26 Richard Guenther <rguenther@suse.de>
1581 * tree.c (build_string): Do not waste tail padding in
1582 struct tree_string.
1584 2006-06-26 Richard Guenther <rguenther@suse.de>
1586 * ggc-page.c (init_ggc): Add missing element to size_lookup
1587 table.
1589 Revert
1590 2006-06-23 Richard Guenther <rguenther@suse.de>
1592 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1593 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1594 alignment requests instead. Add verification code.
1595 Add struct tree_function_decl and struct tree_binfo size to
1596 extra_order_size_table. Add missing element to size_lookup
1597 table.
1599 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1601 PR middle-end/28151
1602 * fold-const.c (const_binop): Be prepared for self returning zero.
1603 Simplify code handling complex values.
1605 2006-06-24 Olivier Hainque <hainque@adacore.com>
1607 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1608 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1609 aggregate types.
1611 2006-06-24 Olivier Hainque <hainque@adacore.com>
1613 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1614 ARRAY_REF, so have the callback called for the low bound expression.
1616 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1618 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1619 * c-typeck.c (c_common_type): Disallow operations on decimal float
1620 types and other float types.
1621 * convert.c (convert_to_real): Don't ignore conversions involving
1622 decimal float types.
1624 2006-06-23 Olivier Hainque <hainque@adacore.com>
1626 * tree.c (max_int_size_in_bytes): New function, inspired from
1627 code in function.c:assign_temp.
1628 * tree.h (max_int_size_in_bytes): Declare.
1629 * function.c (assign_temp): Use it.
1630 * gimplify.c (create_tmp_var): Relax the assertions on the type
1631 properties, not mandating constant size any more.
1632 (force_constant_size): New static function.
1633 (gimple_add_tmp_var): Use it, forcing variable size to a
1634 constant upper bound if it is not constant on entry.
1636 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1638 PR target/27789
1639 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1640 for initialization and setting of one_only flag to ...
1641 (i386_pe_encode_section_info): ...here.
1642 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1643 Recheck that the symbol has not been defined.
1645 2006-06-23 Richard Guenther <rguenther@suse.de>
1647 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1648 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1649 alignment requests instead. Add verification code.
1650 Add struct tree_function_decl and struct tree_binfo size to
1651 extra_order_size_table. Add missing element to size_lookup
1652 table.
1654 2006-06-22 Roger Sayle <roger@eyesopen.com>
1655 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1657 PR middle-end/28131
1658 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1659 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1661 2006-06-23 Ben Elliston <bje@au.ibm.com>
1663 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1664 negate dn -- manipulate it directly.
1666 2006-06-22 Roger Sayle <roger@eyesopen.com>
1667 Steven Bosscher <stevenb.gcc@gmail.com>
1669 PR target/27531
1670 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1671 generated by gen_move_insn to add REG_LABEL notes if necessary.
1673 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1675 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1676 (leaf_entry): Remove use of MIN_ESA.
1678 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1680 PR rtl-optimization/28121
1681 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1682 the entry edge.
1684 2006-06-21 DJ Delorie <dj@redhat.com>
1686 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1687 (TN-16C-A156A/E).
1688 (mulhisi3_r): Likewise.
1690 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1692 PR middle-end/28034
1693 * coverage.c (coverage_counter_alloc): Leave the index type
1694 unspecified.
1695 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1696 of the ARRAY_REF.
1698 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1700 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1701 section from the "Options for Code Generation Conventions".
1703 2006-06-21 Richard Henderson <rth@redhat.com>
1705 PR target/26347
1706 PR target/27082
1707 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1708 symbols.
1709 (global_symbolic_operand): Allow weak symbols, even if local_p.
1711 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1713 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1714 (find_interesting_uses_address): Punt if above function returns true.
1716 2006-06-21 Richard Guenther <rguenther@suse.de>
1718 * configure: Regenerated.
1720 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1722 * config/mips/mips.c (function_arg): Where one part of a
1723 complex argument is in registers and the other part in the stack,
1724 return a REG not a PARALLEL.
1726 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1728 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1729 when cross-compiling. Do not substitute libstdcxx_incdir.
1730 * configure: Regenerated.
1732 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1734 * varasm.c (mergeable_string_section): Check for embedded NULs and
1735 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1736 rather than TREE_STRING_LENGTH bytes.
1738 2006-06-21 Richard Guenther <rguenther@suse.de>
1740 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1741 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1742 sizes.
1744 2006-06-21 Richrad Guenther <rguenther@suse.de>
1746 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1747 Limit iteration over the dominators.
1749 2006-06-20 Roger Sayle <roger@eyesopen.com>
1751 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1752 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1754 2006-06-20 Richard Guenther <rguenther@suse.de>
1755 Michael Matz <matz@suse.de>
1757 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1758 function.
1759 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1760 * et-forest.h (et_free_pools): Prototype new function.
1761 * et-forest.c (et_free_tree_force): Free parent occurrence.
1762 (et_free_pools): New function.
1763 * dominance.c (free_dominance_info): Free et-forest alloc
1764 pools.
1766 2006-06-20 Roger Sayle <roger@eyesopen.com>
1768 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1769 integer modes, attempt to directly construct an integer constant.
1771 * fold-const.c (native_encode_vector): Determine the size of each
1772 element from the vector type instead of the first vector element.
1774 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1775 if all of its elements/components are constant.
1776 (build_constructor_from_list): Likewise.
1778 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1780 PR tree-optimization/27331
1781 * tree-data-ref.c (free_data_ref): New function.
1782 (create_data_ref): Fail if the data reference has unknown access
1783 function.
1784 (free_data_refs): Use free_data_ref.
1786 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1788 PR middle-end/28075
1789 * tree-inline.c (setup_one_parameter): Strip useless
1790 type conversion before adding it to the IR.
1791 (declare_return_variable): Likewise.
1793 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1795 PR c/27149
1796 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1798 2006-06-19 Mike Stump <mrs@apple.com>
1800 * tree.c (variably_modified_type_p): VM arguments don't make the
1801 type a VM type.
1803 2006-06-19 Richard Guenther <rguenther@suse.de>
1805 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1806 type conversions after folding.
1808 2006-06-19 Richard Guenther <rguenther@suse.de>
1810 * ggc-page.c (extra_order_size_tab): Add entries with
1811 size of struct function and basic_block.
1812 (size_lookup): Extend to cover sizes up to 511.
1813 (ggc_alloc_stat): Adjust user.
1814 (ggc_pch_count_object): Likewise.
1815 (ggc_pch_alloc_object): Likewise.
1816 (ggc_pch_write_object): Likewise.
1818 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1820 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1821 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1822 correctly.
1824 2006-06-19 Denis Chertykov <denisc@overta.ru>
1826 * config/avr/libgcc.S : Correct my wrong previous commit.
1828 2006-06-19 Roger Sayle <roger@eyesopen.com>
1830 PR target/27861
1831 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1832 have stripped a SUBREG from the shift count, so we may need to
1833 convert_to_mode back to the type's mode before calling make_tree.
1834 Use new_amount instead of amount to avoid expanding a tree twice.
1836 2006-06-19 Richard Guenther <rguenther@suse.de>
1838 PR middle-end/28045
1839 * fold-const.c (operand_equal_p): Check if the argument types
1840 have the same precision before stripping NOPs.
1842 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1844 Fix PR tree-optimization/27341
1845 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1846 statement we get.
1847 * tree-complex.c (pass_lower_complex): Update SMT usage.
1849 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1851 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1852 Add a new alternative to the constraint strings. Add move of
1853 operand 1 to 3 to the splitter definition.
1854 ("doloop_si_long"): Second contraint alternative removed.
1856 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1858 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1859 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1860 __AVR_HAVE_LPMX__.
1861 (AVR_HAVE_MOVW) Define.
1862 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1863 (ASM_SPEC): Add avr25.
1864 (LINK_SPEC): Add avr25.
1865 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1866 (base_arch_s): Add new member 'have_movw_lpmx'.
1867 (avr_arch_types): Init 'have_movw_lpmx'.
1868 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1869 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1870 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1871 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1872 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1873 AVR_HAVE_MOVW.
1874 (avr_file_start): Do not output '.arh' derective.
1875 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1876 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1877 * config/avr/avr.md (mcu_enhanced): Delete.
1878 (mcu_have_movw): Define.
1879 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1880 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1881 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1882 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1883 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1884 attiny861 and at86rf401 devices.
1886 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1888 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1889 of 4096.
1891 2006-06-17 Karl Berry <karl@gnu.org>
1893 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1894 doc/gccint.texi, doc/install.texi (@dircategory): Use
1895 "Software development" instead of "Programming", following
1896 the Free Software Directory.
1898 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1900 * config/i386/i386.c (legitimate_tls_address)
1901 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1902 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1903 (*tls_dynamic_gnu2_combine_64): Likewise.
1905 2006-06-16 Richard Guenther <rguenther@suse.de>
1907 PR middle-end/27116
1908 * fold-const.c (negate_expr_p): Do not introduce undefined
1909 overflow in negating INTEGER_CSTs.
1910 (fold_negate_expr): Rename from negate_expr. Revert last
1911 change for folding BIT_NOT_EXPR. Change semantics to
1912 return NULL_TREE for non-simplified negations. Do not
1913 strip type conversions and unify type handling.
1914 (negate_expr): New function, wrap around fold_negate_expr
1915 but ensure building a tree always. Strip type conversions
1916 here, fold to result type.
1917 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1919 2006-06-16 Roger Sayle <roger@eyesopen.com>
1921 PR middle-end/27802
1922 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1923 that (would) return their results in stack registers.
1925 2006-06-16 Michael Matz <matz@suse.de>
1926 Richard Guenther <rguenther@suse.de>
1928 * fold-const.c (fold_truthop): Only return new tree node if
1929 we canonicalized something.
1931 2006-06-16 Richard Guenther <rguenther@suse.de>
1933 * function.h (enum function_frequency): Move declaration
1934 out of struct function.
1935 (struct function): Move bool fields and the enum to the bitfield
1936 section. Reorder elements to avoid padding. Remove unused
1937 fields left over from the RTL inliner removal.
1938 * function.c (free_after_compilation): Do not zero removed fields.
1939 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1940 (ipa-type-escape.o): Likewise.
1942 2006-06-16 Richard Guenther <rguenther@suse.de>
1944 * cgraph.h (struct cgraph_local_info): Turn bool elements
1945 into a bitfield.
1946 (struct cgraph_node): Likewise.
1947 (struct cgraph_varpool_node): Likewise.
1949 2006-06-15 Richard Guenther <rguenther@suse.de>
1951 * fold-const.c (fold_truth_not_expr): Rename from
1952 invert_truthvalue. Give it fold_* semantics to avoid
1953 generating garbage.
1954 (invert_truthvalue): New function. Wrapper around
1955 fold_truth_not_expr.
1956 (optimize_minmax_comparison): Avoid creating garbage.
1957 (fold_unary): Use fold_truth_not_expr for folding
1958 TRUTH_NOT_EXPR.
1959 (fold_ternary): Replace uses of invert_truthvalue with
1960 fold_truth_not_expr where applicable.
1961 * tree.h (fold_truth_not_expr): Prototype.
1963 2006-06-16 Richard Guenther <rguenther@suse.de>
1965 PR tree-optimization/27781
1966 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1967 * ipa-pure-const.c (target.h): Include.
1968 (analyze_function): Do not analyze functions that do not
1969 bind locally.
1971 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1973 PR middle-end/27793
1974 * tree-dfa.c (referenced_vars_dup_list): Remove.
1975 (find_referenced_vars): Remove assert.
1976 (referenced_var_check_and_insert): Replace dup list with assert.
1977 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1978 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1980 2006-06-15 Richard Guenther <rguenther@suse.de>
1982 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1983 extra unused identifiers if not dumping.
1984 (create_variable_info_for): Likewise.
1986 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1988 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1989 (derive_constant_upper_bound): Derive more precise upper bound in
1990 common cases. Return type changed to double_int.
1991 (record_estimate): Reflect the changed return type of
1992 derive_constant_upper_bound.
1993 * double-int.c (double_int_zext, double_int_sext): Fix.
1995 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1997 * configure.ac (CFLAGS): Get them from the toplevel or from the
1998 configure invocation.
1999 * configure: Regenerate.
2000 * Makefile.in (CFLAGS): Substitute value provided by configure.
2002 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2004 PR c++/26559
2005 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2006 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2007 rather than calling add_stmt on it.
2008 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2010 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2012 PR middle-end/27959
2013 * reload1.c (reload): Remove registers returned by update_eliminables
2014 from used_spill_regs.
2016 2006-06-13 DJ Delorie <dj@redhat.com>
2018 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2020 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2022 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2023 html__strip_dir, html__mkdir_p. Enhance install-html target.
2024 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2025 * configure: Regenerate.
2027 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2029 * fold-const.c (fold_cond_expr_with_comparison): Check for
2030 Objective-C++ as language in deciding COND_EXPR transformation.
2032 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2034 PR target/28014:
2035 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2036 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2037 * config/sh/lib1funcs.h (SL, SL1): Define.
2038 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2039 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2040 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2041 (OBJS_Os_4_200): New variable.
2042 ($(T)libgcc-Os-4-200.a): Use it.
2043 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2044 when dividing 1 and/or by 0.
2046 2006-06-13 Roger Sayle <roger@eyesopen.com>
2048 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2049 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2050 * configure: Regenerate.
2052 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2054 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2055 for real instruction.
2057 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2059 PR middle-end/26807
2060 * haifa-sched.c (check_cfg): Handle special case.
2062 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2064 PR debug/26754
2065 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2066 Add debug_info parameter. Chain the vars to the BLOCK instead
2067 of the BIND_EXPR if debug info are requested for them.
2068 (pop_gimplify_context): Adjust for above change.
2069 (gimple_add_tmp_var): Likewise.
2070 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2071 Add bool parameter.
2072 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2073 (convert_local_reference): Likewise.
2074 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2075 (finalize_nesting_tree_1): Request that debug info be emitted
2076 for debug_var_chain.
2078 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2080 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2081 for PR target/27863.
2083 2006-06-13 Richard Guenther <rguenther@suse.de>
2085 PR middle-end/27536
2086 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2088 2006-06-13 Richard Guenther <rguenther@suse.de>
2090 PR tree-optimization/27830
2091 * tree-inline.c (copy_body_r): For copying the operand
2092 of an ADDR_EXPR make sure to fold &* afterwards.
2094 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2096 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2097 lvalues in the fb_none case with side-effects.
2099 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2101 * tree-flow.h: Remove the prototype for
2102 compute_phi_arg_on_exit.
2103 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2104 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2105 Remove.
2107 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2109 * builtins.c (expand_builtin_return_addr): Only use
2110 frame_pointer_rtx when count == 0 and we are expanding
2111 __builtin_return_address.
2113 2006-06-12 Fred Fish <fnf@specifix.com>
2115 * config/mips/mips.c (mips_file_start): Create special section
2116 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2118 2006-06-11 Eric Christopher <echristo@apple.com>
2120 PR middle-end/27948
2121 * stor-layout.c (place_field): Remove check for
2122 remaining_in_alignment when aligning at the end of a run.
2124 2006-06-11 Eric Christopher <echristo@apple.com>
2126 PR 27542
2127 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2128 pragma.
2130 2006-06-11 Roger Sayle <roger@eyesopen.com>
2132 PR target/27858
2133 Revert incorrect fix for PR target/27158
2134 2006-05-08 Roger Sayle <roger@eyesopen.com>
2135 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2136 of a reg_equiv_constant if the result is a legitimate constant.
2138 2006-06-11 Roger Sayle <roger@eyesopen.com>
2140 PR target/27158
2141 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2142 extract a CONST_VECTOR element and interpret it as an integer.
2143 (vspltis_constant): Use const_vector_elt_as_int instead of the
2144 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2145 * config/rs6000/predicates.md (easy_vector_const): Consider
2146 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2148 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2150 PR middle-end/27942
2151 * stor-layout.c (update_alignment_for_field): Don't add extra
2152 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2153 code.
2155 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2157 * config/mips/t-rtems: Add EL/EB multilib variants.
2159 2006-06-09 Mike Stump <mrs@apple.com>
2161 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2163 2006-06-09 David Daney <ddaney@avtrex.com>
2165 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2167 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2169 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2171 2006-06-09 Richard Guenther <rguenther@suse.de>
2173 PR tree-optimization/26998
2174 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2175 of signed types, only TYPE_MIN_VALUE is special, but for both,
2176 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2177 in this case, as is -fwrapv.
2179 2006-06-08 Mike Stump <mrs@apple.com>
2181 PR target/26427
2182 * config/darwin.c (darwin_asm_output_anchor): Disable
2183 -fsection-anchors on darwin for now.
2184 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2185 * rs6000/rs6000.c (optimization_options): Likewise.
2187 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2189 PR target/27421
2190 * config/i386/i386.c (classify_argument): Skip fields with invalid
2191 types in unions.
2193 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2195 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2196 (cse_insn): Likewise for the stack_pointer_rtx.
2198 2006-06-08 Roger Sayle <roger@eyesopen.com>
2200 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2201 conditions from floating point comparisons.
2203 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2205 PR middle-end/27733
2206 * expmed.c (struct alg_hash_entry): Fix type of field T
2207 to match synth_mult argument.
2208 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2210 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2212 PR target/27863
2213 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2214 block boundaries.
2216 2006-06-08 Richard Guenther <rguenther@suse.de>
2218 PR middle-end/27116
2219 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2220 only, if overflow is defined and not trapping.
2221 (negate_expr): Likewise.
2223 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2225 PR tree-optimization/27872
2226 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2227 flag on the new exit edge of the unrolled loop.
2229 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2231 PR rtl-optimization/26449
2232 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2234 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2236 PR middle-end/27793
2237 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2238 referenced_variables with matching DECL_UID's.
2239 (find_referenced_vars): Make sure duplicate list is empty to start.
2240 (referenced_var_p): Remove.
2241 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2242 Check if var is in the list, and add if needed. Update the duplicate
2243 list if a different var is in the list with the same DECL_UID.
2244 (add_referenced_var): Call routine to check and insert.
2245 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2246 * tree-flow.h (referenced_vars_dup_list): External declaration.
2248 2006-06-07 Fred Fish <fnf@specifix.com>
2250 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2251 into single entry.
2253 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2255 PR target/27390
2256 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2257 the imaginary and real parts of a clobbered register.
2258 Emit insn to set the imaginary part.
2260 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2262 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2263 in lieu of unwind-dw2-fde.c.
2265 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2267 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2269 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2271 PR target/27842
2272 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2273 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2274 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2275 V4SImode temporaries and operations instead.
2277 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2279 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2280 dp-bit.c.
2282 2006-06-06 Mike Stump <mrs@apple.com>
2284 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2285 installing during build.
2287 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2289 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2290 value to 0.
2291 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2292 * config/ia64/ia64.c (params.h): New header.
2293 (ia64_optimization_options): New function to adjust parameters.
2294 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2295 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2296 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2298 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2300 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2302 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2304 PR target/27051
2305 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2307 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2308 Victor Kaplansky <victork@il.ibm.com>
2310 PR tree-optimization/26360
2311 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2312 stmts.
2314 2006-06-04 Roger Sayle <roger@eyesopen.com>
2315 Andrew Pinski <pinskia@physics.uc.edu>
2317 PR middle-end/27382
2318 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2319 for LABEL_DECL before calling DECL_WEAK.
2321 PR c/27150
2322 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2323 LABEL_DECL and PARM_DECL.
2325 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2327 PR c/25161
2328 PR c/27020
2329 * c-decl.c (grokdeclarator): Disallow variably modified types at
2330 file scope. Avoid marking shared array type of constant size as
2331 VLA.
2333 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2335 PR c++/27601
2336 * c-common.c (fold_offsetof_1): Handle static members.
2338 2006-06-04 Eric Christopher <echristo@apple.com>
2340 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2341 (debug_rli): Output value for remaining_in_alignment.
2342 (update_alignment_for_field): Unconditionalize
2343 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2344 extra alignment code.
2345 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2346 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2347 * tree.h (record_layout_info_s): Remove prev_packed.
2348 * doc/extend.texi (ms_struct): Add documentation of format.
2350 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2352 * tree.h: Declare folding_initializer.
2353 * builtins.c (fold_builtin_constant_p): Give definite answer
2354 if folding inside an initializer.
2355 * fold-const.c: Define folding_initializer.
2356 (START_FOLD_INIT): Save and then set folding_initializer.
2357 (END_FOLD_INIT): Restore folding_initializer.
2359 2006-06-04 Richard Guenther <rguenther@suse.de>
2361 PR tree-optimization/27039
2362 * fold-const.c (fold_comparison): Handle pointer comparison
2363 again for all comparison codes. Compare offsets in signed
2364 size type.
2365 (fold_binary): Move code from here.
2367 2006-06-03 Roger Sayle <roger@eyesopen.com>
2369 PR target/26223
2370 * config/i386/i386.c (construct_container): Split static issued_error
2371 flag into issued_sse_arg_error, issued_sse_ret_error and
2372 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2373 requires the use of x87 registers and the user explicitly
2374 specified the -mno-80387 command line option.
2376 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2378 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2379 HAVE_DECL_SIGALTSTACK.
2380 (MC_FLD): New.
2381 (segv_handler): Use MC_FLD.
2382 * configure.ac: Check for a sigaltstack declaration.
2383 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2384 * configure: Regenerate.
2385 * config.in: Regenerate.
2387 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2389 PR other/27850
2390 * Makefile.in (stmp-fixinc): Fix typo.
2392 2006-06-02 Roger Sayle <roger@eyesopen.com>
2394 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2395 are type correct. Clean-up.
2396 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2397 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2399 2006-06-01 DJ Delorie <dj@redhat.com>
2401 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2402 shift, as we've disabled the "switch" insn that needs it.
2404 2006-06-01 Per Bothner <bothner@bothner.com>
2406 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2407 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2408 * c-ppoutput.c (cb_define): Don't increment line 0.
2410 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2412 * doc/invoke.texi: Add cpu_type power6.
2413 * config.gcc: Add cpu_type power6.
2414 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2415 to power5+ with Altivec.
2416 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2417 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2419 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2421 * config/avr/avr.h (SET_ASM_OP): Define.
2423 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2425 * config/bfin/bfin.c: Fix comment typos.
2427 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2429 PR 25453
2430 * doc/install.texi: Document --enable-bootstrap and
2431 --disable-bootstrap.
2433 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2435 * doc/install.texi: Document that InfoZIP can replace jar.
2437 2006-05-31 Roger Sayle <roger@eyesopen.com>
2439 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2440 isn't available, directly generate the simpler x87 patterns without
2441 the (use (const_int 0)).
2442 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2443 implementation isn't available.
2444 (*negdf2_1): Likewise.
2445 (*negxf2_1): XF mode negation is always done using the x87.
2446 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2448 2006-05-31 Roger Sayle <roger@eyesopen.com>
2450 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2451 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2452 cabs(z).
2453 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2455 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2457 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2458 * config/bfin/bfin.c (basic-block.h): Include.
2459 (struct machine_function): New.
2460 (bfin_init_machine_status): New.
2461 (override_options): Initialize init_machine_status.
2462 (bfin_hardware_loop): New.
2463 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2464 (DEF_VEC_P (loop_info)): New.
2465 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2466 (struct loop_info): New.
2467 (loop_info): New typedef.
2468 (struct loop_work): New.
2469 (loop_work): New typedef.
2470 (DEF_VEC_O (loop_work)): New.
2471 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2472 (bfin_dump_loops): New.
2473 (bfin_bb_in_loop): New.
2474 (bfin_scan_loop): New.
2475 (bfin_optimize_loop): New.
2476 (bfin_reorg_loops): New.
2477 (bfin_reorg): Use bfin_reorg_loops.
2478 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2479 loop registers.
2480 (I_REGNO_P): Simplify.
2481 (DP_REGNO_P, DPREG_P): New macros.
2482 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2483 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2484 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2485 Add LT_REGS, LC_REGS, LB_REGS.
2486 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2487 'l' for LB_REGS.
2488 (REGNO_REG_CLASS): Deal with loop registers.
2489 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2490 letters.
2491 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2492 New constants for loop registers.
2493 (UNSPEC_LSETUP_END): New.
2494 (seq_insns): New define_attr. Set it for appropriate insns.
2495 (movsi_insn): Add alternatives for move from/to
2496 loop count registers.
2497 (doloop_end): New define_expand.
2498 (loop_end): New define_insn.
2499 (define_split for bad doloop_end): New.
2500 (lsetup_with_autoinit): New define_insn.
2501 (lsetup_without_autoinit): New define_insn.
2502 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2503 * config/bfin/predicates.md (lc_register_operand): New.
2504 (lt_register_operand): New.
2505 (lb_register_operand): New.
2506 (nondp_register_operand): New.
2507 (nondp_reg_or_memory_operand): New.
2508 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2510 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2512 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2513 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2515 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2517 * Makefile.in (CATALOGS): Add po/ prefix.
2518 * configure: Regenerated.
2520 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2522 PR target/27829
2523 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2524 a shift operand before calling shift_op. Avoid redundant call of
2525 shift_op.
2527 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2528 DJ Delorie <dj@redhat.com>
2530 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2531 we're inserting is a singlt-bit constant.
2533 2006-05-30 Roger Sayle <roger@eyesopen.com>
2535 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2536 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2538 2006-05-30 Roger Sayle <roger@eyesopen.com>
2540 PR tree-optimization/23452
2541 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2542 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2543 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2544 complex values and with -ffast-math for FP complex values.
2546 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2548 * c-common.h: Remove the prototype for yyparse.
2549 * rtl.h: Remove the prototype for init_loop.
2551 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2553 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2554 calling recog.
2556 2006-05-30 Roger Sayle <roger@eyesopen.com>
2558 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2559 and rotate cases.
2560 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2561 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2563 2006-05-30 Dirk Mueller <dmueller@suse.de>
2565 PR c/27273
2566 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2567 for CONSTANT_CLASS_P expresisons.
2569 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2571 PR c/27718
2572 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2574 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2576 PR tree-optimization/27779
2577 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2578 initial_condition instead of CHREC_LEFT.
2580 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2582 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2583 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2584 Make prototypes ISO C90.
2586 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2587 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2589 * see.c (see_analyze_one_def): Correct check.
2590 (see_get_extension_data): Check if extension is parallel.
2591 (see_get_extension_reg): Likewise.
2593 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2595 PR target/27790
2596 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2597 into register for (code == GTU).
2599 2006-05-29 Roger Sayle <roger@eyesopen.com>
2601 PR tree-optimization/24964
2602 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2603 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2604 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2605 abs(x)*abs(x) as x*x for scalar floating point modes.
2607 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2609 PR middle-end/27745
2610 * lambda-code.c (perfect_nestify): Don't copy statements
2611 in the inner loop: move them to the inner loop header.
2613 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2615 PR 26237
2616 * c-tree.texi: Document OpenMP directives and clauses.
2618 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2620 * varasm.c (globalize_decl): Fix indentation.
2622 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2624 PR 26242
2625 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2626 pass_fre, pass_store_ccp, pass_copy_prop,
2627 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2628 pass_return_slot, pass_object_size, pass_lim,
2629 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2630 pass_loop_prefetch and pass_stdarg.
2632 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2634 * config/bfin/bfin.opt (mfdpic): New option.
2635 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2636 (EXTRA_MULTILIB_PARTS): Likewise.
2637 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2638 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2639 multilib.
2640 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2641 (CRT_CALL_STATIC_FUNCTION): New.
2642 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2643 -shared.
2644 (CRT_CALL_STATIC_FUNCTION): New.
2645 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2646 FD-PIC moves.
2647 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2648 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2649 (initialize_trampoline): Changed to handle FD-PIC code generation.
2650 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2651 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2652 (override_options): Disallow -mid-shared-library -mfdpic combination.
2653 Can't do unaligned ops if FD-PIC.
2654 Turn off flag_pic if trying to generate non-id-shared-library
2655 non-fdpic code, since it's not supported.
2656 (bfin_assemble_integer): New function.
2657 (TARGET_ASM_INTEGER): Define.
2658 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2659 __BFIN_FDPIC__.
2660 * config/bfin/crtn.s: Restore them.
2661 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2662 if TARGET_FDPIC.
2663 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2664 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2665 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2666 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2667 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2668 call-used.
2669 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2670 FDPIC_REGS and FDPIC_FPTR_REGS.
2671 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2672 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2673 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2674 (load_funcdescsi): New pattern.
2675 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2676 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2677 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2679 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2681 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2682 loop.c.
2684 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2686 * tree-flow.h: Remove the prototype for add_type_alias.
2687 * tree-ssa-alias.c (add_type_alias): Remove.
2689 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2691 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2692 config/fr30/fr30.md, config/i386/i386-interix.h,
2693 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2694 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2695 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2696 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2697 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2698 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2699 Follow spelling conventions.
2700 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2701 Follow spelling conventions.
2703 2006-05-27 Richard Guenther <rguenther@suse.de>
2705 PR middle-end/27773
2706 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2707 to produce a constant of value 1 of generic type.
2709 2006-05-27 Dirk Mueller <dmueller@suse.de>
2711 * cgraphunit.c (decide_is_function_needed): Fix wrong
2712 PR reference.
2714 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2716 PR rtl-optimization/27661
2717 * reload.c (find_reloads): When reloading a VOIDmode constant
2718 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2719 use Pmode as mode of the reload register.
2721 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2723 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2724 is enabled at -O and above.
2726 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2728 PR target/27571
2729 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2730 table data.
2732 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2734 PR c++/20103
2735 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2736 for anonymous variables explicitly declared by front ends.
2738 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2740 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2741 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2742 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2743 ref-all pointers, run a finalization pass for them.
2744 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2745 (finalize_ref_all_pointers): New function.
2746 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2747 regular pointer type to a ref-all pointer type.
2748 (get_tmt_for): Return the special memory tag for ref-all pointers.
2750 2006-05-25 Richard Guenther <rguenther@suse.de>
2752 PR middle-end/27743
2753 * fold-const.c (fold_binary): Do not look at the stripped
2754 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2756 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2758 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2759 for LT and GT if the computed range is effectively empty.
2761 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2763 PR target/27627
2764 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2765 mips_quad_format formats instead of ieee_single_format,
2766 ieee_double_format and ieee_quad_format formats, respectively.
2768 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2770 PR tree-optimization/27639
2771 PR tree-optimization/26719
2772 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2773 call to scev_probably_wraps_p.
2774 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2775 used_in_pointer_arithmetic_p, convert_step): Removed.
2776 (nowrap_type_p): New function.
2777 (scev_probably_wraps_p): Rewritten.
2778 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2779 chrec_convert if chrec_convert_aggressive might have been used.
2780 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2781 scev_direction): New functions.
2782 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2783 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2784 instead of convert_step.
2785 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2786 (convert_step): Declaration removed.
2787 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2789 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2791 * df-core.c: Added to header comments.
2792 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2793 df_ur_bb_info, df_urec_bb_info): Added comments.
2794 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2795 urec, ri problems): Fixed header comments.
2796 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2797 code from df_rd_transfer_function.
2799 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2801 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2802 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2803 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2805 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2807 * expr.c (undefined_operand_subword_p): New.
2808 (emit_move_multi_word): Do not generate move from undefined bits
2809 of a paradoxical subreg.
2811 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2813 PR rtl-optimization/27736
2814 * combine.c (replaced_rhs_value): New variable.
2815 (combine_instructions): Set it.
2816 (distribute_notes): When distributing a note in replaced_rhs_insn,
2817 check whether the value was used in replaced_rhs_value.
2819 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2821 PR c++/26757
2822 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2823 add_referenced_var instead of add_referenced_tmp_var.
2824 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2825 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2826 add_referenced_var.
2827 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2828 tree_optimize_tail_calls_1): Use add_referenced_var.
2829 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2830 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2831 Use add_referenced_var.
2832 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2833 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2834 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2835 Use add_referenced_var.
2836 * tree-dfa.c (struct walk_state): Remove.
2837 (find_referenced_vars): Remove walk state and vars_found hash table.
2838 (make_rename_temp): Use add_referenced_var.
2839 (find_vars_r): Pass less parameters to add_referenced_var.
2840 (referenced_var_p): New. Is var in referenced_var hash table.
2841 (referenced_var_insert): Assert var isn't already in hash table.
2842 (add_referenced_var): Don't need walk_state parameter. Add var if it
2843 isn't already in the hash table.
2844 (add_referenced_tmp_var): Remove.
2845 (find_new_referenced_vars_1): Use add_referenced_var.
2846 * tree-ssa-pre.c (create_expression_by_pieces,
2847 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2848 Use add_referenced_var.
2849 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2850 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2851 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2852 add_referenced_var.
2853 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2854 vect_create_data_ref_ptr, vect_create_destination_var,
2855 vect_init_vector, vect_build_loop_niters,
2856 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2857 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2858 Use add_referenced_var.
2859 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2860 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2861 (add_referenced_var): Add prototype.
2862 * tree-ssa-structalias.c (get_constraint_for,
2863 intra_create_variable_infos): Use add_referenced_var.
2865 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2867 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2868 big-endian paradoxical subregs.
2869 * var-tracking.c (struct micro_operation_def): Document that,
2870 for modify micro operations, insn is the subsequent instruction.
2871 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2872 (var_reg_set, var_mem_set): ... new functions.
2873 (add_stores): Record subsequent insn.
2874 (compute_bb_dataflow): Use new functions for MO_USE.
2875 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2876 notes after the insn, and modify notes before the insn known
2877 to be the subsequent one.
2878 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2880 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2882 PR target/27696
2883 * config/i386/i386.c (ix86_expand_builtin): Use
2884 gen_sse3_monitor64 for TARGET_64BIT.
2886 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2888 PR rtl-optimization/26375
2889 PR rtl-optimization/26855
2890 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2891 to gen set.
2892 (df_ru_bb_local_compute): Reversed statements and removed bogus
2893 comment explaining why they should be in wrong order.
2894 (df_ru_dump, df_rd_dump): Enhanced debug info.
2895 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2896 debug info.
2897 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2898 reaching uses and fixed space problem.
2900 2006-05-23 Jan Hubicka <jh@suse.cz>
2902 * cgraphunit.c (decide_is_function_needed): Also nested functions
2903 and functions declared inline can be optimized out at -O0.
2905 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2907 * doc/install.texi (Configuration): Remove reference to CrossGCC
2908 FAQ which was gone.
2909 (Building): Ditto.
2911 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2913 PR target/27266
2914 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2915 ix86_compare_emitted is non-NULL.
2917 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2919 PR c++/27451
2920 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2921 clobbers.
2923 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2925 PR rtl-optimization/25514
2926 * combine.c (replaced_rhs_insn): New variable.
2927 (combine_instructions): Set replaced_rhs_insn when trying to replace
2928 a SET_SRC with a REG_EQUAL note.
2929 (distribute_notes): Use replaced_rhs_insn when determining the live
2930 range of a REG_DEAD register.
2932 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2933 Anatoly Sokolov <aesok@post.ru>
2935 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2936 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2937 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2938 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2939 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2940 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2941 at90usb647, at90usb1286 and at90usb1287 devices.
2942 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2943 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2945 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2947 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2949 2006-05-22 Richard Guenther <rguenther@suse.de>
2951 Revert
2952 2006-01-31 Richard Guenther <rguenther@suse.de>
2953 Paolo Bonzini <bonzini@gnu.org>
2955 * doc/install.texi (--disable-libgcc-math): Document.
2957 2006-05-22 Richard Guenther <rguenther@suse.de>
2959 Revert
2960 2006-01-31 Richard Guenther <rguenther@suse.de>
2962 * doc/invoke.texi (-msselibm): Document.
2963 * target.h (expand_library_builtin): New target hook.
2964 * builtins.c (expand_builtin): Use expand_library_builtin.
2965 (default_expand_library_builtin): New function.
2966 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2967 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2968 (link_gcc_math_spec): Declare.
2969 (static_specs): Add link_gcc_math_spec.
2970 * expr.h (default_expand_library_builtin): Declare.
2971 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2972 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2973 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2974 * config/i386/i386.opt (msselibm): New target option.
2975 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2976 (ix86_init_sse_abi_builtins): New function.
2977 (ix86_expand_library_builtin): Likewise.
2978 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2979 (override_options): Handle error conditions wrt -msselibm.
2980 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2981 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2982 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2983 builtins.
2985 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2987 PR c/27420
2988 * c-common.c (self_promoting_args_p): Skip erroneous args.
2990 PR c/26818
2991 * c-decl.c (finish_struct): Skip erroneous fields.
2993 2006-05-22 Nick Clifton <nickc@redhat.com>
2995 * config/cris/cris.opt (march): Remove VarExists attribute.
2996 (max-stackframe=): Likewise.
2998 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3000 * doc/rtl.texi: Fix a typo.
3001 * see.c: Fix comment typos.
3003 * tree-ssa-structalias.h (alias_info): Remove num_references.
3005 2006-05-21 Mike Stump <mrs@apple.com>
3007 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3008 (BAD2): Add.
3009 (darwin_pragma_options): Use BAD instead.
3010 (darwin_pragma_unused): Likewise.
3011 (darwin_pragma_ms_struct): Likewise.
3013 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3015 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3017 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3019 PR rtl-optimization/27671
3020 * simplify-rtx.c (simplify_relational_operation_1): Fix
3021 simplifications of (eq/ne (xor x y) y) and
3022 (eq/ne (xor x y) x).
3024 PR tree-optimization/26622.
3025 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3026 on arg1.
3028 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3030 * tree-cfg.c: Prune whitespace.
3031 (debug_tree_cfg): Point to correct header containing the
3032 TDF_* defines.
3034 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3036 PR middle-end/25776
3037 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3039 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3041 PR middle-end/25776
3042 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3043 or sorry count is non zero.
3045 2006-05-20 Andreas Schwab <schwab@suse.de>
3047 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3049 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3050 Kenneth Zadeck <zadeck@naturalbridge.com>
3052 PR rtl-optimization/26855
3054 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3055 multiword refs.
3056 (df_scan_alloc): Added code to properly handle multiword hard
3057 registers and add all_blocks parameter.
3058 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3059 code to properly handle multiword hard registers.
3060 (df_rescan_blocks): Added code to remove deleted blocks from
3061 bitmap.
3062 (df_ref_create_structure, df_ref_record): Added code to properly
3063 handle subregs.
3064 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3065 and set DF_REF_PARTIAL.
3066 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3067 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3068 (df_scan_add_problem): Added flags parameter.
3069 (df_ref_create_structure): Changed switching structure.
3070 (df_bb_refs_record): Fixed case where duplicate artificial refs
3071 were created. Changed location of flags.
3072 (df_record_entry_block_defs): Added code to make stack pointer
3073 live in entry block. Refined cases where frame pointer is needed.
3074 Changed location of flags.
3075 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3076 (df_set_state): Removed function.
3077 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3078 df_insn_create_insn_record, df_insn_refs_delete,
3079 df_ref_create_structure): Formatting changes.
3080 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3081 df_delete_basic_block): New function.
3082 (df_init): Changed location of flags.
3083 (df_add_problem): Added flags parameter and the way flags are
3084 processed.
3085 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3086 debug_df_chain): Improved debugging output.
3087 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3088 (df_refs_chain_dump): Removed df parameter.
3089 (df_iterative_dataflow): Added consistency check.
3090 (df_prune_to_subcfg): Made public.
3091 (df_analyze_problem): Added blocks_to_init parameter and made
3092 public.
3093 (df_ref_record, df_bb_refs_record, df_mark_reg,
3094 df_record_exit_block_uses): Whitespace changes.
3095 (df_dump): Whitespace changes.
3096 * df.h: Some reordering to remove forward references.
3097 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3098 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3099 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3100 (dataflow.flags): New field.
3101 (df.flag): Deleted field.
3102 (df_alloc_function): Added additional bitmap parameter.
3103 (df_dependent_problem_function): New type.
3104 (df_problem.changeable_flags): New field.
3105 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3106 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3107 (df_mw_hardreg): New struct.
3108 (DF_INSN_UID_MWS): New macro.
3109 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3110 parameter.
3111 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3112 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3113 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3114 (df_set_state): Removed function.
3115 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3116 * df-problems.c (df_chain_dump): Removed df parameter.
3117 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3118 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3119 parameter.
3120 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3121 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3122 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3123 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3124 DF_REF_MUST_CLOBBER cases.
3125 (df_ru_bb_local_compute_process_def,
3126 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3127 df_lr_bb_local_compute, df_ur_bb_local_compute,
3128 df_chain_create_bb): Made subreg aware.
3129 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3130 df_lr_bb_local_compute, df_lr_bb_local_compute,
3131 df_chain_create_bb): Cleanup to use proper macros.
3132 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3133 code to fixup bitvectors.
3134 (df_ri_alloc): Cleared lifetime.
3135 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3136 df_create_unused_note): New function.
3137 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3138 REG_DEAD and REG_UNUSED notes as well as register information.
3139 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3140 df_chains_dump): Fixed crash if problem was never run.
3141 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3142 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3143 df_ri_add_problem): Processes flags in uniform manner.
3144 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3145 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3146 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3147 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3148 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3149 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3150 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3151 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3152 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3153 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3154 * see.c (see_initialize_data): Ditto.
3155 * final.c (rest_of_clean_state) Added regstack_completed.
3156 * rtl.h (regstack_completed): Ditto.
3157 * reg-stack.c (regstack_completed): Ditto.
3159 2006-05-19 Mike Stump <mrs@apple.com>
3161 * c-tree.h (default_conversion): Remove.
3162 * c-common.h (default_conversion): Add.
3164 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3166 * tree-vrp.c (valid_value_p): New function.
3167 (adjust_range_with_scev): Fail if the value of bound is not
3168 simple.
3170 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3172 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3173 (mips_fallback_frame_state): Use syscall numbers to determine
3174 the appropriate li instruction for the current ABI. Only use
3175 __NR_sigreturn for o32.
3177 2006-05-19 Nicolas Setton <setton@adacore.com>
3179 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3180 * langhooks.c (lhd_dwarf_name): New function.
3181 * langhooks-def.h (lhd_dwarf_name): Declare.
3182 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3183 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3184 * ada/misc.c (gnat_dwarf_name): New function.
3185 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3187 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3189 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3190 libgcc2.h.
3191 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3192 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3193 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3194 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3195 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3196 determine the size of Wtype, etc.
3197 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3198 (swfloatfuncs): New variable.
3199 (dwfloatfuncs): Likewise.
3200 (lib2funcs): Remove floating-point conversion functions from
3201 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3202 the set of conversion routines needed. Allow entries to specify
3203 an object name, filename and word size. Update users accordingly.
3204 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3205 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3207 Revert:
3209 2006-02-08 Roger Sayle <roger@eyesopen.com>
3211 PR target/22209
3212 * config/fixtfdi.c: New libgcc source file.
3213 * config/fixunstfdi.c: New source file.
3214 * config/floatditf.c: New source file.
3215 * config/floatunditf.c: New souce file.
3216 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3217 files above instead of config/mips/_tilib.c.
3218 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3220 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3222 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3223 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3225 2006-05-18 Mike Stump <mrs@apple.com>
3227 Fix up vla, vm and [*] sematics.
3229 PR c/18740
3230 PR c/7948
3231 PR c/25802
3232 PR c/27673
3233 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3234 (c_vla_unspec_p): Add.
3235 (c_vla_type_p): Add.
3236 * c-decl.c (struct c_scope): Add had_vla_unspec.
3237 (build_array_declarator): Add support for [*].
3238 (grokdeclarator): Likewise.
3239 (grokparms): Likewise.
3240 (get_parm_info): Likewise.
3241 * c-objc-common.c (c_vla_unspec_p): Likewise.
3242 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3243 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3244 typeof when argument is a variably modified type not inside sizeof or alignof.
3245 (c_parser_direct_declarator_inner): Propagate errors.
3246 (c_parser_sizeof_expression): Add support for [*].
3247 (c_parser_parms_declarator): Initialize had_vla_unspec.
3248 (c_parser_parms_list_declarator): Likewise.
3249 * c-typeck.c (c_vla_type_p): Add.
3250 (composite_type): Add support for vla compositing.
3251 (comptypes_internal): Add support for vla compatibility.
3252 (c_expr_sizeof_expr): Evaluate vla arguments.
3253 * tree.c (variably_modified_type_p): Update comment for [*].
3255 2006-05-18 Michael Matz <matz@suse.de>
3257 PR target/27599
3258 * config.host: Make assignments to host_xmake_file cumulative.
3259 * config.host (*-darwin*): Test $host, not $target.
3261 2006-05-12 Stuart Hastings <stuart@apple.com>
3263 * config/i386/i386.opt (-mstackrealign): New flag.
3264 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3265 (ix86_handle_cconv_attribute): Emit error when
3266 force_align_arg_pointer attribute collides with too many regparms.
3267 (ix86_function_regparm): Limit regparms when used with
3268 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3269 Support stack-realigning prologue in non-main functions. Emit
3270 warning for nested functions under -mstackrealign, emit error for
3271 nested functions with force_align_arg_pointer attribute.
3272 * doc/extend.texi (force_align_arg_pointer): Document it.
3273 * doc/invoke.texi (-mstackrealign): Document it.
3275 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3277 PR rtl-optimization/27477
3278 * combine.c (try_combine): Don't split a parallel consisting
3279 of two sets into two individual sets if both sets reference
3280 cc0.
3282 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3284 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3285 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3287 * doc/options.texi (VarExists): Updated.
3289 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3291 * unwind-dw2.c: Add declarations for uw_update_context and
3292 uw_frame_state_for.
3293 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3294 detected, advance frame state and context once to skip over stub.
3296 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3298 PR middle-end/20256
3299 PR middle-end/26435
3300 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3301 Call rewrite_into_loop_closed_ssa only when something changed.
3302 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3303 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3304 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3305 Test for perfect_nest_p here. Fix formating.
3306 (replace_uses_equiv_to_x_with_y): Fix formating.
3307 (stmt_uses_op): Removed.
3308 (can_convert_to_perfect_nest): Removed loopivs parameter.
3309 Complete the test by checking the scalar dependences.
3310 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3311 Fix formating.
3313 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3315 PR bootstrap/22541
3316 From Dan Kegel <dank@kegel.com>:
3317 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3319 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3321 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3322 if the element type is variably modified without recursing.
3324 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3326 PR middle-end/27332
3327 * tree-loop-linear.c (try_interchange_loops): Test for
3328 no data dependences.
3330 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3332 PR tree-optimization/27548
3333 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3334 range of ssa names that appear on abnormal edges.
3335 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3336 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3338 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3340 PR middle-end/27620
3341 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3343 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3345 PR middle-end/27415
3346 * tree.h (OMP_PARALLEL_COMBINED): Define.
3347 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3348 (new_omp_context): Add is_combined_parallel argument.
3349 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3350 new_omp_context caller.
3351 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3352 Adjust gimplify_scan_omp_clauses callers.
3353 (omp_is_private): Issue errors if iteration variable is firstprivate
3354 or reduction in the current context.
3355 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3356 on combined parallel workshare constructs.
3358 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3360 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3361 (gcc-options.o): New rule.
3363 * optc-gen.awk: Protect variables for gcc-options.o with
3364 #ifdef GCC_DRIVER/#endif.
3366 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3368 Fix PR tree-optimization/27373
3369 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3370 (forward_propagate_addr_expr): Update call.
3372 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3374 * doc/options.texi: Move the Negative option.
3376 2006-05-16 Richard Guenther <rguenther@suse.de>
3378 PR tree-optimization/22303
3379 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3380 from STRING_CSTs.
3381 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3382 ccp_fold did not simplify the statement.
3384 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3386 PR driver/26885
3387 * Makefile.in (GCC_OBJS): New.
3388 (OBJS-common): Add opts-common.o.
3389 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3390 (cpp$(exeext)): Likewise.
3391 (gcc.o): Also depend on opts.h.
3392 (opts-common.o): New.
3394 * common.opt (gcoff): Add Negative(gdwarf-2).
3395 (gdwarf-2): Add Negative(gstabs).
3396 (gstabs): Add Negative(gstabs+).
3397 (gstabs+): Add Negative(gvms).
3398 (gvms): Add Negative(gxcoff).
3399 (gxcoff): Add Negative(gxcoff+).
3400 (gxcoff+): Add Negative(gcoff).
3401 * config/i386/i386.opt (m32): Add Negative(m64).
3402 (m64): Add Negative(m32).
3404 * doc/options.texi: Document the Negative option.
3406 * gcc.c: Include "opts.h".
3407 (main): Call prune_options after expandargv.
3409 * optc-gen.awk: Generate common declarations for all flag
3410 variables in options.c. Output the neg_index field.
3412 * opts.c (find_opt): Moved to ...
3413 * opts-common.c: Here. New file.
3415 * opts.h (cl_option): Add a neg_index field.
3416 (find_opt): New.
3417 (prune_options): Likewise.
3419 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3421 PR middle-end/27573
3422 * omp-low.c (expand_omp_parallel): Don't assert
3423 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3424 instead search for it.
3426 PR c/27499
3427 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3428 is signed.
3430 2006-05-16 Andreas Schwab <schwab@suse.de>
3432 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3433 defmac.
3435 2006-05-15 Roger Sayle <roger@eyesopen.com>
3437 PR target/26600
3438 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3439 integer constants other than zero are only legitimate on TARGET_64BIT.
3440 <CONST_VECTOR> Only zero vectors are legitimate.
3441 (ix86_cannot_force_const_mem): Integral and vector constants can
3442 always be put in the constant pool.
3444 2006-05-16 DJ Delorie <dj@redhat.com>
3446 * crtstuff.c (__dso_handle): Set section from
3447 TARGET_LBIGCC_SDATA_SECTION if defined.
3448 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3449 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3451 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3453 PR target/27599
3454 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3455 host_xmake_file.
3457 2006-05-16 Ben Elliston <bje@au.ibm.com>
3459 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3461 2006-05-15 Per Bothner <per@bothner.com>
3463 * tree.c: (last_annotated_node): Use source_locus typedef.
3464 This permits bootstrapping with --enable-mapped-location.
3466 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3468 PR tree-optimization/26830
3469 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3470 (info_for_ssa_name, current_info_for_ssa_name_age,
3471 blocks_to_update): New variables.
3472 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3473 (clear_ssa_name_info, initialize_flags_in_bb,
3474 mark_block_for_update): New functions.
3475 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3476 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3477 prepare_def_site_for): Use mark_block_for_update.
3478 (mark_def_interesting): Assert that the processed block is marked in
3479 blocks_to_update. Do not take blocks argument.
3480 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3481 argument.
3482 (rewrite_update_init_block, rewrite_update_stmt): Only process
3483 blocks with statements to rewrite.
3484 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3485 (update_ssa): Initialize and free blocks_to_update. Do not
3486 clear flags on statements. Do not use blocks bitmap.
3487 * tree.h (SSA_NAME_AUX): Removed.
3488 (struct tree_ssa_name): Removed aux field.
3489 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3491 2006-05-15 Richard Guenther <rguenther@suse.de>
3493 PR tree-optimization/27603
3494 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3495 Do computations in original type.
3497 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3499 * see.c: Code style changes such as redundant paranthesis,
3500 redundant intialization of local variables etc.
3501 (see_main): Declared now as static.
3502 * doc/invoke.texi: Update that -fsee is not enabled by
3503 default at -O3.
3505 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3507 * omp-low.c (check_omp_nesting_restrictions): New function.
3508 (scan_omp_1): Call it.
3510 PR middle-end/27416
3511 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3512 construct, return *VAR.
3514 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3516 PR rtl-optimization/27406
3517 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3518 edges.
3520 2006-05-14 Roger Sayle <roger@eyesopen.com>
3522 PR rtl-optimization/27538
3523 * combine.c (expand_compound_operation): Call gen_lowpart
3524 before calling simplify_shift_const.
3526 2006-05-14 Roger Sayle <roger@eyesopen.com>
3528 PR rtl-optimization/22563
3529 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3530 a fixed width bitfield, always force the intermediates into psuedos.
3532 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3534 PR 27501
3535 * mkconfig.sh: Use operator = instead of == for test.
3537 2006-05-13 Nick Clifton <nickc@redhat.com>
3539 * dwarf2out.c (dbx_reg_number): Check return value from
3540 LEAF_REG_REMAP and only use it if it is valid.
3541 (multiple_reg_loc_descriptor): Likewise.
3543 2006-05-13 Richard Guenther <rguenther@suse.de>
3545 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3546 host_xmake_file.
3548 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3550 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3551 information attached to non-INSNs such as NOTEs.
3552 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3554 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3556 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3557 On contraint.
3558 * config/s390/s390.md: Adjust comment describing On constraint.
3560 2006-05-11 Jan Hubicka <jh@suse.cz>
3562 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3563 to be output at -O0.
3565 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3567 PR middle-end/27384
3568 * fold-const.c (size_binop): Move sanity check for arguments to
3569 the beginning of the function.
3571 PR middle-end/27488
3572 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3573 expression.
3575 2006-05-11 Richard Guenther <rguenther@suse.de>
3577 PR middle-end/27529
3578 * fold-const.c (fold_unary): Handle intermediate conversion
3579 to a pointer type like intermediate conversion to an integer
3580 type in folding of (T1)(T2)var to var.
3581 Match the code to the comment in the final conversion for
3582 (T1)(T2)var to (T1)var regarding to type precision. Rather
3583 than disallow T1 being of pointer type, assert that both T1
3584 and var are of pointer type or not. Make sure not to fall
3585 over the frontends lazyness wrt array to pointer decay though.
3587 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3589 * arm.c (arm_struct_value_rtx): Delete.
3590 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3591 (arm_init_cumulative_args): Always initialize nregs to zero.
3593 2006-05-10 Richard Guenther <rguenther@suse.de>
3595 PR tree-optimization/27532
3596 * tree-object-size.c (plus_expr_object_size): Fix typo.
3598 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3600 PR target/24949
3601 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3602 ashrdi_const, ashrdi3): Use a scratch register.
3604 2006-05-10 Richard Guenther <rguenther@suse.de>
3606 PR tree-optimization/27302
3607 * fold-const.c (operand_equal_p): For two comparisons,
3608 try comparison of one comparison code swapped if that yields
3609 the same code.
3611 2006-05-10 Ben Elliston <bje@au.ibm.com>
3613 * tree-pretty-print.c (pretty_print_string): No need to handle
3614 '\0' as a special character.
3616 * tree.h: Include "hashtab.h".
3617 (iterative_hash_expr): Use hashval_t in its prototype.
3618 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3620 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3622 PR bootstrap/26872
3623 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3624 (hppa*64*-*-hpux11*): Ditto.
3625 (hppa[12]*-*-hpux11*): Ditto.
3627 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3629 PR target/26545
3630 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3632 2006-05-09 Michael Matz <matz@suse.de>
3634 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3635 host_extra_gcc_objs and host_xmake_file.
3636 (<*-*-linux*>): Don't overwrite host_xmake_file.
3637 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3638 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3639 (host_detect_local_cpu): Declare.
3640 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3641 * config/i386/i386.c (override_options): Handle -mtune=native
3642 as -mtune=generic.
3643 * config/i386/x-i386: New file.
3644 * config/i386/driver-i386.c: New file.
3645 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3646 cpu-type "native".
3648 2006-05-09 Dirk Mueller <dmueller@suse.de>
3649 Richard Guenther <rguenther@suse.de>
3651 PR middle-end/27498
3652 * fold-const.c (fold_read_from_constant_string): Relax check
3653 for matching types to matching modes.
3655 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3657 PR rtl-optimization/27335
3658 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3659 loops.
3661 2006-05-08 Chao-ying Fu <fu@mips.com>
3662 Richard Sandiford <richard@codesourcery.com>
3664 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3665 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3666 * config/mips/mips.md (UNSPEC_SCC): New constant.
3667 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3668 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3669 (mips_emit_compare): Use it.
3670 (mips_expand_vcondv2sf): New function.
3672 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3674 Fix PR tree-optimization/27093
3675 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3676 renaming when they become not-used_alone.
3678 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3680 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3681 relocation and relocation stubs.
3683 2006-05-08 Eric Christopher <echristo@apple.com>
3685 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3686 section for ppc.
3688 2006-05-08 Jan Hubicka <jh@suse.cz>
3690 PR middle-end/24561
3691 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3692 unused static functions are needed.
3694 2006-05-08 Roger Sayle <roger@eyesopen.com>
3696 PR target/27158
3697 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3698 of a reg_equiv_constant if the result is a legitimate constant.
3700 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3702 PR target/27277
3703 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3704 standard 80387 constants, raise the cost to prevent
3705 compress_float_constant() to generate load from memory.
3707 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3709 * config/arm/constraints.md (c): Fix a typo.
3711 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3712 typos.
3714 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3716 PR target/24879
3717 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3718 inline function.
3719 (_mm_mwait): Likewise.
3721 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3722 "mwait".
3723 (sse3_monitor): Make it 32bit only.
3724 (sse3_monitor64): New. 64bit monitor.
3726 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3728 PR target/27421
3729 * config/i386/i386.c (classify_argument): Skip fields with invalid
3730 types.
3732 2006-05-07 Richard Guenther <rguenther@suse.de>
3734 PR tree-optimization/27409
3735 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3736 Do not try to find zero-sized subvars.
3738 2006-05-07 Richard Guenther <rguenther@suse.de>
3740 PR tree-optimization/27136
3741 * tree-ssa-loop-niter.c (get_val_for): Correct function
3742 comment, assert requirements.
3743 (loop_niter_by_eval): Stop processing if the iterated
3744 value did not simplify.
3746 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3748 * opts.c (flag_see): remove its setting at -O3.
3750 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3752 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3753 * arm/constraints.md: New file.
3754 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3755 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3756 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3757 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3758 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3759 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3760 * arm.md: Include constraints.md.
3761 (thumb_movsi_insn): Use satisfies_constraint_J.
3762 (movhi, movqi): Use satisfies_constraint_I.
3764 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3766 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3767 for atmeg a645 device.
3769 2006-05-06 Richard Guenther <rguenther@suse.de>
3771 PR tree-optimization/27151
3772 * tree-vect-transform.c (vectorizable_condition): Punt on
3773 values that have a different type than the condition.
3775 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3777 PR/21391
3778 * c-parser.c (c_parser_cast_expression): Only insert casts into
3779 hash table if pointer.
3780 * function.c (used_types_insert_helper): Rename from
3781 used_types_insert.
3782 (used_types_insert): Call used_types_insert_helper.
3783 * function.h (used_types_insert): Accept only one argument.
3785 2006-05-05 David Edelsohn <edesohn@gnu.org>
3787 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3788 scratch with output modifier.
3790 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3792 PR target/26481
3793 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3794 with output modifier.
3796 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3798 PR target/26765
3799 * config/mips/mips.c (mips_symbolic_address_p): Return true
3800 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3801 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3803 2006-05-04 Richard Guenther <rguenther@suse.de>
3805 PR tree-optimization/14287
3806 PR tree-optimization/14844
3807 PR tree-optimization/19792
3808 PR tree-optimization/21608
3809 PR tree-optimization/27090
3810 * tree-ssa-pre.c (try_combine_conversion): New function.
3811 (compute_avail): After constructing the value-handle
3812 expression, use try_combine_conversion to combine NOP_EXPRs
3813 with previous value-handle expressions and use the result if it
3814 is available.
3816 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3818 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3820 2006-05-04 Jan Hubicka <jh@suse.cz>
3822 PR middle-end/25962
3823 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3825 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3827 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3828 that this only matches CONST_INTs. All users changed to VOIDmode
3829 operands.
3831 * config/bfin/bfin.c: Include "optabs.h".
3832 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3833 to do more work.
3834 (enum bfin_builtins): Add a number of fractional and vector builtins.
3835 (bfin_init_builtins): Likewise.
3836 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3837 (safe_vector_operand, bfin_expand_binop_builtin,
3838 bfin_expand_unop_builtin): New functions.
3839 (bfin_expand_builtin): Handle the new builtins.
3840 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3841 __ADSPBLACKFIN__.
3843 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3845 * see.c: New file.
3846 * Makefile.in (OBJS-common): Add see.o.
3847 (see.o): Add dependencies.
3848 * common.opt (fsee): New flag for the see optimization was added.
3849 * opts.c (flag_see): Initialized.
3850 * passes.c (init_optimization_passes, pass_see): New pass.
3851 * rtl.h (see_main): Declaration as extern.
3852 * timevar.def (TV_SEE): New.
3853 * tree-pass.h (pass_see): Declaration as extern.
3854 * invoke.texi (-fsee): Document.
3855 * recog.c (validate_simplify_insn): New function.
3856 * recog.h (validate_simplify_insn): Declaration as extern.
3857 * df-problems.c (df_chain_dump): Check for NULL.
3859 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3860 Daniel Berlin <dberlin@dberlin.org>
3862 * cfgrtl.c (insert_insn_bb_end_new): New function.
3863 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3865 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3867 * df.h (struct web_entry): Moved from web.c.
3868 (union_defs): Declaration as extern.
3869 (unionfind_root): Likewise.
3870 (unionfind_union): Likewise.
3871 * web.c (struct web_entry): Moved to df.h.
3872 (unionfind_root): Remove static declaration.
3873 (unionfind_union): Likewise.
3874 (union_defs): Likewise and generalize to use callback function.
3875 (web_main): Update arguments for union_defs function call.
3877 2006-05-04 Richard Guenther <rguenther@suse.de>
3879 PR tree-optimization/26447
3880 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3881 produce SSA_NAME copies before the store stmt to avoid
3882 breaking exception handling.
3884 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3886 PR middle-end/27388
3887 * gimplify.c (omp_is_private): If var is shared in some outer context,
3888 return false instead of true. Stop searching on parallel context
3889 boundary.
3891 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3893 PR java/8260
3894 * coverage.c: Use get_gcov_unsigned_t() instead of
3895 unsigned_type_node all over.
3897 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3899 PR tree-optimization/27381
3900 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3901 maintain the same immediate_use links.
3902 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3903 node rather than segfaulting.
3905 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3907 PR fortran/27395
3908 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3909 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3910 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3912 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3914 Fix PR tree-optimization/26626
3915 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3916 always.
3917 * tree-ssa-operands.c (access_can_touch_variable): Allow
3918 typecasting through union pointers.
3920 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3922 PR c++/26943
3923 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3924 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3925 to find if var will be a global variable even in the nested context.
3926 (omp_copy_decl): Only check for global variable at the end, it might
3927 be overridden in outer contexts.
3928 (scan_sharing_clauses): For global variables don't create a field.
3929 (lower_rec_input_clauses): Do nothing for global shared variables.
3930 Emit a barrier at the end of ILIST if there were any decls in both
3931 firstprivate and lastprivate clauses.
3932 (lower_send_clauses): Do nothing for global variables except for
3933 COPYIN.
3935 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3937 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3938 of the correct signedness is returned.
3940 2006-05-02 Jeff Law <law@redhat.com>
3942 PR tree-optimization/27364
3943 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3944 multiply expressions.
3946 2006-05-02 Tom Tromey <tromey@redhat.com>
3948 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3950 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3952 PR target/27387
3953 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3954 -mthumb -fPIC are used.
3956 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3957 Joshua Kinard <kumba@gentoo.org>
3959 PR target/25871
3960 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3961 with 64-bit pointers.
3963 2006-05-02 Paul Brook <paul@codesourcery.com>
3965 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3966 and pool overlap.
3967 (create_fix_barrier): Check that a suitable barrier location is
3968 found.
3969 (arm_reorg): Include ftmp->address in allowable range of addresses.
3971 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3973 PR ada/27366
3974 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3975 on Cygwin.
3977 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3979 PR middle-end/27337
3980 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3981 around RESULT_DECL for result passed by reference.
3982 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3983 * omp-low.c (use_pointer_for_field): Don't look at
3984 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3985 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3986 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3987 time or var for passing by reference for
3988 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3989 TREE_ADDRESSABLE variables when passing by reference.
3991 * omp-low.c (dump_omp_region): Fix output formatting.
3993 PR middle-end/27328
3994 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3995 (expand_omp_parallel): Likewise.
3996 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3998 PR middle-end/27325
3999 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4000 on statement list containing also constructors and destructors.
4001 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4003 PR middle-end/27310
4004 * except.c (duplicate_eh_regions): Fix clearing of
4005 cfun->eh->region_array entries.
4007 2006-05-01 DJ Delorie <dj@redhat.com>
4009 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4010 build!=host.
4011 (gcc_cv_objdump): Likewise.
4012 * configure: Regenerated.
4014 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4016 PR target/27374
4017 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4018 templates for case 3 and 4.
4020 2006-05-01 DJ Delorie <dj@redhat.com>
4022 * vec.c: Include bconfig.h when appropriate.
4023 * Makefile.in (build/vec.o): Adjust dependencies.
4024 * mkconfig.sh: Make sure config.h isn't used for build machine
4025 compiles.
4027 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4029 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4030 variables.
4031 (mark_phi_for_rewrite): New function.
4032 (insert_phi_nodes_for, mark_use_interesting): Call
4033 mark_phi_for_rewrite.
4034 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4035 (update_ssa): Initialize and free phis_to_rewrite.
4037 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4039 PR rtl-optimization/27291
4040 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4041 folded to a constant.
4043 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4045 PR tree-optimization/27283
4046 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4047 not whole # of iteration descriptions.
4048 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4049 uses abnormal ssa name.
4050 (niter_for_single_dom_exit): Ditto.
4051 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4052 return just the number of iterations.
4054 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4056 PR tree-optimization/27144
4057 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4058 (record_estimate): Only record constant upper bound.
4059 (infer_loop_bounds_from_undefined): Call
4060 compute_estimated_nb_iterations just once.
4061 (proved_non_wrapping_p): Renamed to ...
4062 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4063 (convert_step_widening, scev_probably_wraps_p): Call
4064 n_of_executions_at_most instead of proved_non_wrapping_p.
4065 (substitute_in_loop_info): Do not replace values in bounds.
4066 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4067 comments.
4069 2006-05-01 Richard Henderson <rth@redhat.com>
4071 PR c/27358
4072 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4073 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4074 CPP_PRAGMA.
4076 2006-05-01 Roger Sayle <roger@eyesopen.com>
4078 * c-typeck.c (parser_build_binary_op): Don't call the function
4079 unsigned_conversion_warning to spot operand/result type overflow.
4080 (build_binary_op): Instead, call convert_and_check instead of
4081 convert to report the problem when the operands are promoted.
4082 * c-common.c (unsigned_conversion_warning): Make static.
4083 * c-common.h (unsigned_conversion_warning): Delete prototype.
4085 2006-05-01 Richard Guenther <rguenther@suse.de>
4087 PR tree-optimization/26726
4088 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4089 problem ...
4090 (find_interesting_uses_address): ... we work around here
4091 by folding INDIRECT_REFs in the substituted base.
4093 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4095 * omp-low.c (dump_omp_region): Add newlines.
4097 2006-04-30 Roger Sayle <roger@eyesopen.com>
4099 * common.opt (Woverflow): New command line option.
4100 * c-common.c (constant_expression_warning): Check warn_overflow.
4101 (overflow_waring): Pass OPT_Woverflow to warning.
4102 (unsigned_conversion_warning): Likewise.
4103 (convert_and_check): Likewise.
4104 * doc/invoke.texi: Document new command line option.
4106 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4108 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4109 TARGET_NO_FP_IN_TOC for section anchors.
4110 (optimization_options): Enable section anchors for all
4111 non-"Objective" languages.
4113 2006-04-28 Eric Christopher <echristo@apple.com>
4115 * config/darwin-c.c (darwin_ms_struct): Move this
4116 (darwin_set_default_type_attributes): and this...
4117 * config/darwin.c: ... here.
4118 * config/darwin.h (darwin_ms_struct): Declare.
4120 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4122 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4124 2006-04-28 Roger Sayle <roger@eyesopen.com>
4126 PR c/25309
4127 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4128 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4129 an unsigned HOST_WIDE_INT.
4130 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4131 array index.
4132 (really_start_incremental_init): No need to call convert because
4133 bitsize_zero_node is already of type bitsizetype.
4134 (push_init_level): Extract the value of constructor_index as an
4135 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4136 (process_init_element): Likewise.
4138 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4140 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4141 value before passing to make_relative_prefix.
4143 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4145 PR middle-end/27260
4146 * builtins.c (expand_builtin_memset): Expand val in original mode.
4148 2006-04-27 Eric Christopher <echristo@apple.com>
4150 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4151 with #ifndef/#endif.
4152 * config/darwin-c.c (darwin_ms_struct): New.
4153 (darwin_pragma_ms_struct): Ditto.
4154 (darwin_set_default_type_attributes): Ditto.
4155 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4156 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4157 Register ms_struct pragma.
4158 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4159 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4160 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4161 darwin_set_default_type_attributes if TARGET_MACHO.
4163 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4165 PR tree-optimization/26854
4166 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4167 * doc/tree-ssa.texi: Update immuse iterator documentation.
4168 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4169 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4170 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4171 first_safe_imm_use, next_safe_imm_use): Remove.
4172 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4173 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4174 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4175 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4176 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4177 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4178 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4179 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4180 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4181 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4182 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4183 (perfect_nestify): Use new iterator.
4184 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4185 iterator.
4186 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4187 (next_imm_name): New field in struct immediate_use_iterator_d.
4188 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4189 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4190 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4191 * tree-cfg.c (replace_uses_by): Use new iterator.
4192 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4193 * tree-ssa-operands.c (correct_use_link): Remove.
4194 (finalize_ssa_use_ops): No longer call correct_use_link.
4196 2006-04-27 Stuart Hastings <stuart@apple.com>
4198 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4199 * config/t-darwin (crt3.o): Use it.
4200 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4201 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4202 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4203 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4204 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4205 support.
4207 2006-04-27 Roger Sayle <roger@eyesopen.com>
4209 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4210 size, force the intermediate into a new pseudo rather instead of
4211 performing both a bitwise AND and a bitwise IOR in memory.
4213 2006-04-27 Richard Guenther <rguenther@suse.de>
4215 PR rtl-optimization/26685
4216 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4217 this one "max-flow-memory-locations".
4219 2006-04-27 Richard Guenther <rguenther@suse.de>
4221 PR tree-optimization/25148
4222 * tree-vrp.c (compare_values): Remove code dealing with
4223 comparisons against type min/max value. Honour overflow
4224 and negative constants in code dealing with comparisons
4225 of plus and minus expressions.
4226 (value_inside_range): Use fold_binary with LE_EXPR and
4227 GE_EXPR rather than compare_values.
4229 2006-04-27 Dirk Mueller <dmueller@suse.de>
4231 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4232 prototype for SSE.
4234 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4236 * basic-block.h (safe_insert_insn_on_edge): Removed.
4237 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4239 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4240 Paolo Bonzini <bonzini@gnu.org>
4242 PR middle-end/27282
4243 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4244 (simplify_and_const_int): Same.
4246 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4248 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4250 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4252 PR c/26171
4253 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4254 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4255 cgraph_global_info_ready.
4257 PR middle-end/26913
4258 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4260 PR c/25996
4261 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4262 either decl or init is error_mark_node.
4264 PR middle-end/25989
4265 * tree-flow.h (struct omp_region): Add sched_kind.
4266 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4267 instead of extracting omp for data.
4268 (expand_omp_for): Save extracted sched_kind.
4270 2006-04-25 Roger Sayle <roger@eyesopen.com>
4272 * expmed.c (store_bit_field): Also check whether the bitsize is
4273 valid for the machine's "insv" instruction before moving the
4274 target into a pseudo for use with the insv.
4275 * config/i386/predicates.md (const8_operand): New predicate.
4276 * config/i386/i386.md (extv, extzv, insv): Use the new
4277 const8_operand predicate where appropriate.
4279 2006-04-25 DJ Delorie <dj@redhat.com>
4281 * doc/install.texi (Specific): Clarify that this is not a list of
4282 supported hosts or targets.
4284 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4286 PR rtl-optimization/26725
4287 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4288 block's BB_DIRTY flag.
4290 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4292 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4293 are no branches.
4295 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4296 to print an integer.
4298 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4300 * varasm.c (align_variable): New function.
4301 (get_block_for_decl): Apply align_variable to DECL before
4302 calculating section information.
4303 (assemble_variable): Split out alignment computation.
4305 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4307 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4308 machines.
4310 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4312 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4313 MODE_PARTIAL_INT mode.
4314 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4315 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4316 for CONST_INTs.
4317 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4318 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4319 V2PDImode.
4320 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4321 New predicates.
4322 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4323 New constants.
4324 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4325 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4326 MACFLAG_IH): Likewise.
4327 (movstricthi_1): Renamed from "*movstricthi".
4328 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4329 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4330 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4331 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4332 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4333 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4334 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4335 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4336 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4337 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4338 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4339 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4340 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4341 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4342 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4344 * doc/rtl.texi (ss_ashift): Improve wording.
4346 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4348 * dwarf2out.c (verify_marks_clear): New.
4349 (prune_unused_types): Call verify_marks_clear initially, not
4350 prune_unmark_dies.
4352 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4354 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4355 * doc/rtl.texi: Document them.
4356 * simplify-rtx.c (simplify_unary_operation,
4357 simplify_binary_operation_1): Don't abort when we see them.
4359 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4361 Revert:
4362 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4363 * configure.ac: Completely disregard languages that are not
4364 enabled.
4365 * configure: Regenerated.
4367 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4368 Richard Guenther <rguenther@suse.de>
4370 PR tree-optimization/27236
4371 * tree-inline.c (copy_body_r): Make sure to copy
4372 TREE_THIS_VOLATILE flag.
4374 2006-04-24 Richard Guenther <rguenther@suse.de>
4376 PR middle-end/26869
4377 * tree-complex.c (update_parameter_components): Don't handle
4378 unused parameters which have no default def.
4380 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4381 Richard Guenther <rguenther@suse.de>
4383 PR tree-optimization/27218
4384 * tree-inline.c (expand_call_inline): Strip useless type
4385 conversions for the return slot address.
4387 2006-04-24 Richard Guenther <rguenther@suse.de>
4389 * cfgloop.h (struct loops): Remove unused field array. Reorder
4390 state after num.
4391 (LOOP_PREFETCH): Remove.
4393 2006-04-24 Richard Guenther <rguenther@suse.de>
4395 PR tree-optimization/22525
4396 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4397 variable, adjust types of generated expressions.
4399 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4401 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4402 (tree-vect-patterns.o): Likewise.
4403 (jump.o): Likewise.
4404 (cselib.o): Likewise.
4405 (loop-doloop.o): Likewise.
4406 (regclass.o): Likewise.
4407 (reload1.o): Likewise.
4408 (explow.o): Replace target.h with $(TARGET_H).
4409 (ipa-prop.o): Likewise.
4410 (ipa-cp.o): Likewise.
4411 (ipa-inline.o): Likewise.
4412 (reorg.o): Likewise.
4413 (reg-stack.o): Likewise.
4415 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4417 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4419 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4421 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4423 * configure.ac: Completely disregard languages that are not
4424 enabled.
4425 * configure: Regenerated.
4427 PR c++/26534
4428 * c-common.h (c_build_bitfield_integer_type): Declare.
4429 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4430 * c-common.c (c_build_bitfield_integer_type): ... here.
4432 2006-04-23 Roger Sayle <roger@eyesopen.com>
4434 PR target/21283
4435 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4436 a SImode SUBREG of a floating point register after no_new_pseudos.
4438 2006-04-23 Roger Sayle <roger@eyesopen.com>
4440 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4441 identify potentially eliminable registers to additionally catch
4442 VIRTUAL_INCOMING_ARGS_REGNUM.
4443 (addsi3): Update the conditions on when to use addsi_small_int.
4445 2006-04-23 Roger Sayle <roger@eyesopen.com>
4447 PR target/16641
4448 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4449 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4450 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4452 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4454 * fold-const.c (range_predecessor): Use operand_equal_p
4455 as the predicate for equality.
4456 (range_successor): Likewise.
4458 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4460 Revert:
4461 * config/soft-fp/op-common.h: Fix a typo.
4463 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4465 PR libmudflap/26864
4466 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4467 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4469 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4471 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4472 Fix comment typos.
4473 * doc/tm.texi: Fix a typo.
4475 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4477 * dwarf2out.c (struct die_struct): Document that die_sib makes
4478 a circular linked list.
4479 (FOR_EACH_CHILD): New.
4480 (reverse_die_lists): Delete.
4481 (reverse_all_dies): Delete.
4482 (add_dwarf_attr): Correct documentation.
4483 (remove_child_with_prev): New.
4484 (remove_child_TAG): Update for change to die_struct, use
4485 remove_child_with_prev.
4486 (add_child_die): Update for change to die_struct.
4487 (splice_child_die): Use remove_child_with_prev and add_child_die.
4488 (print_die): Use FOR_EACH_CHILD.
4489 (die_checksum): Likewise.
4490 (assign_symbol_names): Likewise.
4491 (output_location_lists): Likewise.
4492 (build_abbrev_table): Likewise.
4493 (calc_die_sizes): Likewise.
4494 (mark_dies): Likewise.
4495 (unmark_dies): Likewise.
4496 (unmark_all_dies): Likewise.
4497 (output_die): Likewise.
4498 (prune_unused_types_mark): Likewise.
4499 (prune_unused_types_walk): Likewise.
4500 (same_die_p): Update for change to die_struct.
4501 (break_out_includes): Likewise.
4502 (prune_unused_types_prune): Likewise.
4503 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4504 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4505 it's already clear.
4506 (dwarf2out_finish): Don't call reverse_all_dies.
4508 2006-04-21 Eric Christopher <echristo@apple.com>
4510 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4511 in comments and function names.
4513 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4515 PR c/25875
4516 * c-typeck.c (digest_init): Robustify.
4518 * c-typeck.c (pop_init_level): Simplify.
4520 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4522 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4524 2006-04-21 Paul Brook <paul@codesourcery.com>
4526 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4527 hardware floating point.
4529 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4531 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4532 NON_FLOAT_REGS.
4534 2006-04-21 Nick Clifton <nickc@redhat.com>
4536 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4537 OPT_EXTRA_PARTS.
4539 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4541 PR target/27230
4542 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4543 C++ lang type in traceback table for Objective-C++.
4545 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4547 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4549 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4551 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4553 PR mudflap/26789
4554 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4555 were errors. Remove check for erroneous objects.
4557 2006-04-20 Jeff Law <law@redhat.com>
4559 PR tree-optimization/26854
4560 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4561 checking for zero or one use.
4562 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4563 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4564 * tree-ssa-reassoc.c (negate_value): Similarly.
4565 (reassociate_bb): Similarly.
4567 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4569 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4570 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4571 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4573 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4575 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4576 fp regs if the last fp arg doesn't fit in regs.
4578 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4580 PR target/27182
4581 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4582 that the last insn has the REG_INC note.
4584 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4585 Nathan Sidwell <nathan@codesourcery.com>
4587 PR c/26774
4588 * stor-layout.c (update_alignment_for_field): Do not align
4589 ERROR_MARK nodes.
4590 (place_union_field): Place union field at the start of the union.
4591 (place_field): Move ERROR_MARK check later, and use the current
4592 allocation position to maintain monotonicity.
4594 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4596 * dominance.c: Include timevar.h.
4597 (calculate_dominance_info): Use TV_DOMINANCE.
4598 * timevar.def (TV_DOMINANCE): New timevar.
4599 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4601 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4603 PR rtl-optimization/14261
4604 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4605 move would be an INSV insn.
4606 (noce_process_if_block): Don't optimize if the destination is a
4607 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4609 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4611 * config/s390/s390.md: Add comments with the instructions emitted
4612 by an insn pattern if macros are used.
4614 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4616 PR rtl-optimization/26026
4617 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4618 is a known power of two shifted left a variable amount.
4620 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4622 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4623 to hash table twice when the debug_str section has SECTION_MERGE.
4625 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4627 * config/soft-fp: New directory. From glibc.
4628 * config/soft-fp/t-softfp: New.
4629 * config/soft-fp/README: New.
4630 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4631 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4632 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4633 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4634 * config.gcc: Use rs6000/t-fprules-fpbit or
4635 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4636 rs6000/t-fprules.
4637 * config/rs6000/sfp-machine.h: New. Based on glibc.
4638 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4639 New.
4640 * config/rs6000/t-fprules: Remove fp-bit rules.
4641 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4642 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4643 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4644 (softfp_wrap_start, softfp_wrap_end): New.
4646 2006-04-18 DJ Delorie <dj@redhat.com>
4648 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4650 2006-04-18 Devang Patel <dpatel@apple.com>
4652 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4654 2006-04-18 Nick Clifton <nickc@redhat.com>
4656 * config/sh/t-symbian: Add rule to build sh-c.o
4657 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4658 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4659 (sh_symbian_encode_section_info): Likewise.
4661 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4663 * builtins.c (expand_builtin_strcmp): Cover label definition of
4664 do_libcall with HAVE_cmpstrnsi.
4666 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4668 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4669 instead of VARRAY.
4670 * function.h (temp_slot_p): New.
4671 (function): Change the type of x_used_temp_slots to
4672 VEC(temp_slot_p,gc) *.
4674 2006-04-18 Nick Clifton <nickc@redhat.com>
4676 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4677 flag_strength_reduce.
4679 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4681 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4683 PR target/27117
4685 Partial revert of revision 112637
4686 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4687 Dale Johannesen <dalej@apple.com>
4689 PR target/19653
4690 * regclass.c (struct reg_pref): Update documentation.
4691 (regclass): Set prefclass to NO_REGS if memory is the best option.
4692 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4694 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4696 PR tree-optimization/26821
4697 * tree-ssa-math-opts.c (get_constant_one): New.
4698 (insert_reciprocals): Use it.
4700 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4702 * dwarf2out.c (free_AT): Delete.
4703 (remove_AT): Update string ref counts.
4704 (remove_child_TAG): Don't call free_die.
4705 (free_die): Delete.
4706 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4707 or DW_TAG_GNU_EINCL.
4708 (prune_unused_types_walk_attribs): Reset string refcounts.
4709 (prune_unused_types_update_strings): New.
4710 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4711 call free_die. Do call prune_unused_types_update_strings.
4712 (prune_unused_types): Empty debug_str_hash.
4714 2006-04-17 Roger Sayle <roger@eyesopen.com>
4716 * expr.c (expand_assignment): Optimize away no-op moves where the
4717 source and destination are equal and have no side-effects.
4719 2006-04-17 Richard Guenther <rguenther@suse.de>
4721 PR target/26826
4722 * reload.c (push_reload): Guard calls to get_secondary_mem
4723 for memory subregs.
4725 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4727 * alias.c (reg_base_value, old_reg_base_value): Change the
4728 type to VEC(rtx,gc) *.
4729 (REG_BASE_VALUE, find_base_value, record_set,
4730 init_alias_analysis): Use VEC instead of VARRAY.
4732 * alias.c (alias_sets): Change the type to
4733 VEC(alias_set_entry,gc) *.
4734 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4735 VEC instead of VARRAY.
4736 (last_alias_set): Remove.
4738 * cgraph.h (cgraph_edge_p): New.
4739 Update the prototype of cgraph_function_versioning.
4740 * cgraphunit.c (cgraph_copy_node_for_versioning,
4741 cgraph_function_versioning): Use VEC instead of VARRAY.
4742 * ipa-cp.c (ipcp_insert_stage): Likewise.
4744 2006-04-16 Roger Sayle <roger@eyesopen.com>
4746 PR target/26961
4747 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4748 "A op B" or "A op C", we may need to convert A to the type of B and C.
4750 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4752 * target.h (struct gcc_target): Add mode_rep_extended.
4753 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4754 (init_num_sign_bit_copies_in_rep): Initialize it using
4755 mode_rep_extended.
4756 (truncate_to_mode): Use it.
4757 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4758 * targhooks.h (default_mode_rep_extended): Declare it.
4759 * targhooks.c (default_mode_rep_extended): Define it.
4760 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4761 default_mode_rep_extended.
4762 (TARGET_INITIALIZER): Include it.
4763 * doc/tm.texi (Misc): Document it.
4764 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4765 (mips_truncated_to_mode): New function.
4767 2006-04-16 Roger Sayle <roger@eyesopen.com>
4769 PR middle-end/25474
4770 * expr.c (compress_float_constant): Copy the narrow constant into
4771 a new pseudo before extending it to its final width.
4773 2006-04-16 Roger Sayle <roger@eyesopen.com>
4774 Andrew Pinski <pinskia@gcc.gnu.org>
4775 Dale Johannesen <dalej@apple.com>
4777 PR target/24076
4778 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4779 special case code to implement V8HImode and V16QImode with SSE2.
4781 2006-04-15 Roger Sayle <roger@eyesopen.com>
4783 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4784 trees are constructed with a suitable tree type.
4786 2006-04-15 Roger Sayle <roger@eyesopen.com>
4788 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4789 (integer_onep): Likewise.
4790 (integer_all_onesp): Likewise.
4791 (integer_pow2p): Likewise.
4792 (integer_nonzerop): Likewise.
4793 (real_zerop): Likewise.
4794 (real_onep): Likewise.
4795 (real_twop): Likewise.
4796 (real_minus_onep): Likewise.
4797 (int_size_in_bytes): Likewise.
4798 (host_integerp): Likewise.
4800 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4802 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4803 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4804 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4806 * tree-ssa-structalias.h (alias_info): Remove num_references.
4808 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4810 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4811 (output_bvb patterns): Likewise.
4812 * pa.c (output_bb): Use 'bb' insn for long branch case.
4813 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4814 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4815 1. Correct length operand for alternatives 1 and 2.
4816 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4817 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4819 2006-04-14 Roger Sayle <roger@eyesopen.com>
4821 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4822 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4823 were accidentally reverted by r112959.
4825 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4827 PR middle-end/26823
4828 * except.h (eh_region_outermost): New prototype.
4829 * except.c (eh_region_outermost): New function.
4830 * tree-cfg.c (find_outermost_region_in_block): Use it.
4832 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4834 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4835 of VARRAY.
4836 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4837 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4838 (init_reload, reload): Use VEC instead of VARRAY.
4839 * reload.h: Update the prototype for
4840 reg_equiv_memory_loc_varray.
4842 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4843 Eric Botcazou <ebotcazou@libertysurf.fr>
4845 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4846 register save area.
4848 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4850 PR middle-end/27134
4851 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4852 to expand fallback builtin function call.
4854 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4856 PR middle-end/27095
4857 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4858 and emit libcall here in case the builtin fails.
4859 (expand_builtin_strcmp): Always emit the libcall here on failure.
4861 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4863 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4864 * flow.c (reg_n_info): Change the type to
4865 VEC(reg_info_p,heap) *.
4866 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4867 instead of VARRAY.
4868 * regs.h (reg_info_p): New.
4869 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4870 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4871 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4872 instead of VARRAY.
4874 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4876 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4877 defaulting to 100.
4878 * params.h (MAX_SCHED_READY_INSNS): New macro.
4879 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4880 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4881 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4882 the ready list for 1 cycle during the first scheduling pass.
4883 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4885 2006-04-13 Richard Henderson <rth@redhat.com>
4887 PR libgomp/26651
4888 * gimple-low.c (lower_omp_directive): Remove dead code.
4889 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4890 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4891 * omp-low.c (struct omp_region): Move to tree-flow.h.
4892 (root_omp_region): Export.
4893 (omp_regions, lookup_omp_region): Remove.
4894 (determine_parallel_type): Update for struct omp_region changes.
4895 (dump_omp_region): Dump regions with block numbers.
4896 (new_omp_region): Take type and block instead of stmt; malloc
4897 instead of ggc.
4898 (free_omp_region_1, free_omp_regions): New.
4899 (expand_parallel_call): Take entry_stmt as argument; update for
4900 changes to omp_region.
4901 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4902 (remove_exit_barriers): New.
4903 (expand_omp_parallel): Update for struct omp_region changes.
4904 (expand_omp_synch): Likewise.
4905 (expand_omp): Likewise.
4906 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4907 (expand_omp_for_static_chunk): Likewise.
4908 (expand_omp_for): Likewise.
4909 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4910 (expand_omp_sections): Similarly, with GOMP_sections_end.
4911 (expand_omp_single): New.
4912 (build_omp_regions_1): Update for OMP_CONTINUE.
4913 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4914 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4915 OMP_SECTIONS_SECTIONS.
4916 (lower_omp_single_simple): Don't emit barrier here.
4917 (lower_omp_single_copy): Likewise.
4918 (lower_omp_single): Fix bindings, and lower to straightline now.
4919 (lower_omp_master, lower_omp_ordered): Likewise.
4920 (lower_omp_critical): Likewise.
4921 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4922 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4923 omp edges, free it afterward.
4924 (make_omp_sections_edges): Remove.
4925 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4926 (move_stmt_r): Handle OMP_CONTINUE.
4927 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4928 statement pointers to basic blocks. Add type member.
4929 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4930 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4931 * tree-inline.c (estimate_num_insns_1): Likewise.
4932 * tree-pretty-print.c (dump_generic_node): Likewise.
4933 * tree-ssa-operands.c (get_expr_operands): Likewise.
4934 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4935 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4936 (OMP_CONTINUE): New.
4937 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4938 (OMP_SECTIONS_SECTIONS): Remove.
4939 (OMP_SECTION_LAST): New.
4940 (OMP_RETURN_NOWAIT): New.
4942 2006-04-13 Roger Sayle <roger@eyesopen.com>
4944 * fold-const.c (native_encode_vector, native_interpret_real):
4945 Correct obvious mistakes in the previous check-in.
4947 2006-04-13 Roger Sayle <roger@eyesopen.com>
4949 * fold-const.c (native_encode_expr): New function to encode
4950 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4951 or VECTOR_CST into a specified buffer.
4952 (native_encode_int): New function.
4953 (native_encode_real): New function.
4954 (native_encode_complex): New function.
4955 (native_encode_vector): New function.
4956 (native_interpret_expr): Inverse of native_encode_expr to convert
4957 a target representation into an INTEGER_CST, REAL_CST etc...
4958 (native_interpret_int): New function.
4959 (native_interpret_real): New function.
4960 (native_interpret_complex): New function.
4961 (native_interpret_vector): New function.
4962 (fold_view_convert_expr): New function to constant fold/evaluate
4963 a VIEW_CONVERT_EXPR of a suitable constant expression.
4964 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4965 Change call of build1 to fold_build1 when constructing a
4966 VIEW_CONVERT_EXPR.
4968 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4969 Ulrich Weigand <uweigand@de.ibm.com>
4971 PR target/27006
4972 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4973 to be even.
4975 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4977 PR target/26459
4978 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4979 optimize to lo_sum for DFmode if !TARGET_FPRS.
4981 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4983 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4984 delete_alias_info, compute_flow_sensitive_aliasing,
4985 group_aliases): Use VEC instead of VARRAY.
4986 * tree-ssa-structalias.c (update_alias_info): Likewise.
4987 * tree-ssa-structalias.h (alias_info): Change the type of
4988 processed_ptrs to VEC(tree,heap) *.
4990 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4992 PR target/27060
4993 * config/sh/lib1funcs.h: New file, broken out of:
4994 * config/sh/lib1funcs.asm.
4995 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4996 New macros.
4997 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4998 * config/sh/lib1funcs-Os-4-200.asm: New file.
4999 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5000 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5001 (EXTRA_MULTILIB_PARTS): Include it.
5002 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5003 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5004 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5005 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5006 TARGET_SH2.
5008 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5010 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5011 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5012 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5013 VARRAY.
5014 * tree-ssa-live.h: Include vecprim.h.
5015 (tree_partition_associator_d): Change the type of
5016 first_partition to VEC(int,heap) *.
5017 (tpa_first_partition): Use VEC instead of VARRAY.
5019 * Makefile.in (GTFILES): Move functions.h after tree.h.
5020 * function.c (reset_block_changes, record_block_change,
5021 check_block_change, free_block_changes): Use VEC instead of
5022 VARRAY.
5023 * function.h (function): Change the type of
5024 ib_boundaries_block to VEC(tree,gc) *.
5025 * tree-inline.c (copy_cfg_body): Initialize
5026 ib_boundaries_block to NULL instead of (varray_type) 0.
5028 2006-04-12 Roger Sayle <roger@eyesopen.com>
5030 * expr.c (emit_group_store): Correct operand order in call to
5031 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5032 a SUBREG_BYTE of zero.
5034 2006-04-12 Richard Guenther <rguenther@suse.de>
5036 * profile.c (compute_branch_probabilities): Remove code
5037 encapsulated in !ir_type (), which are remanents of the
5038 removed RTL profiling code.
5039 * rtl-profile.c: Remove.
5041 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5043 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5044 magic NULL_RTX comment.
5045 (function_arg): Store entire fp arg to mem if any part should go
5046 on stack.
5047 (rs6000_arg_partial_bytes): Adjust for above change.
5049 2006-04-11 Roger Sayle <roger@eyesopen.com>
5051 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5052 if it hasn't been initialized by dwarf2out_init.
5054 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5056 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5057 symbolic constants in branch patterns.
5059 2006-04-11 Roger Sayle <roger@eyesopen.com>
5061 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5063 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5065 PR rtl-optimization/27073
5066 * gcse.c (try_replace_reg): Revert last change. Continue to search
5067 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5068 on the former.
5070 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5072 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5073 aggregate types other than record and union types.
5074 (function_arg): Likewise.
5075 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5076 small arrays.
5077 (function_value): In 64-bit mode, return objects that require it
5078 in FP registers.
5080 2006-04-11 Roger Sayle <roger@eyesopen.com>
5082 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5084 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5086 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5088 2006-04-03 Jeff Law <law@redhat.com>
5090 PR/27087
5091 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5092 alias information too.
5094 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5096 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5098 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5100 PR/21391
5101 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5102 (premark_used_types_helper): New.
5103 (premark_used_types): New.
5104 (gen_subprogram_die): Call premark_used_types.
5105 (prune_unused_types_walk): Do not prune perennial dies.
5106 * function.c (used_types_insert): New.
5107 * function.h (struct function): Add used_types_hash field.
5108 (used_types_insert): Add prototype.
5109 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5110 * c-parser.c (c_parser_cast_expression): Save casted types in used
5111 types hash table.
5113 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5115 PR target/26459
5116 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5117 rs6000_explicit_options.float_gprs.
5119 2006-04-10 Roger Sayle <roger@eyesopen.com>
5121 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5122 from ix86_expand_vector_init_low_nonzero. Take an additional
5123 one_var argument indicating which element is non-zero. Support
5124 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5125 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5126 with one_var instead of ix86_expand_vector_init_low_nonzero.
5128 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5130 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5131 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5132 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5133 build/genextract.o): Depend on vecprim.h.
5134 * cfglayout.c, df-problems.c, function.c, genextract.c,
5135 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5136 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5137 vecprim.h.
5138 * vecprim.h: New.
5140 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5142 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5143 Declare VECs of this type.
5144 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5145 (remove_children): Delete.
5146 (add_dwarf_attr): Use VEC routines.
5147 (add_AT_flag): Update for changes to add_dwarf_attr.
5148 (add_AT_int): Likewise.
5149 (add_AT_unsigned): Likewise.
5150 (add_AT_long_long): Likewise.
5151 (add_AT_vec): Likewise.
5152 (add_AT_string): Likewise.
5153 (add_AT_die_ref): Likewise.
5154 (add_AT_fde_ref): Likewise.
5155 (add_AT_loc): Likewise.
5156 (add_AT_loc_list): Likewise.
5157 (add_AT_addr): Likewise.
5158 (add_AT_lbl_id): Likewise.
5159 (add_AT_lineptr): Likewise.
5160 (add_AT_macptr): Likewise.
5161 (add_AT_offset): Likewise.
5162 (add_AT_range_list): Likewise.
5163 (get_AT): Use VEC_iterate.
5164 (remove_AT): Use VEC_ordered_remove.
5165 (free_die): Fold remove_children into here; have it use VEC_iterate.
5166 (print_die): Use VEC_iterate on attrs.
5167 (reverse_die_lists): Don't reverse attr lists.
5168 (die_checksum): Use VEC_iterate on attrs.
5169 (same_die_p): Likewise.
5170 (output_location_lists): Likewise.
5171 (build_abbrev_table): Likewise.
5172 (size_of_die): Likewise.
5173 (unmark_all_dies): Likewise.
5174 (output_abbrev_section): Likewise.
5175 (output_die): Likewise.
5176 (prune_unused_types_walk_attribs): Likewise.
5178 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5180 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5182 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5184 PR debug/27057
5185 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5187 2006-04-09 Roger Sayle <roger@eyesopen.com>
5189 * expr.c (store_constructor): Don't bother clearing target if
5190 we're about to assign a vector to it using vec_init_optab.
5192 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5194 * tree-ssa-alias.c (lhs_may_store_to): New function.
5195 (recalculate_used_alone): Handle LHS of calls.
5197 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5199 PR target/27034
5200 PR target/26508
5201 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5202 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5203 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5204 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5205 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5206 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5207 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5208 stubs. Add ".align 8" directives before all ".dword" directives.
5209 (GTHREAD_USE_WEAK): Revise comment.
5210 (TARGET_ATTRIBUTE_WEAK): Define.
5211 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5212 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5213 * stublib.c: New file.
5215 PR target/26743
5216 PR target/11254
5217 PR target/10274
5218 * pa.md (cbranch patterns): Revise arguments used in calls to
5219 output_cbranch, output_bb and output_bvd. Add long branch length
5220 attributes.
5221 (fbranch patterns): Handle long branches.
5222 (jump): Revise length check. Revise arguments for output_lbranch call.
5223 Add long branch length attributes.
5224 (decrement_and_branch_until_zero): Add long branch length attributes.
5225 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5226 Likewise. Revise arguments for output_parallel_addb and
5227 output_parallel_movb calls.
5228 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5229 output_parallel_movb and output_parallel_addb): Update prototypes.
5230 * pa.c (output_cbranch): Revise arguments. Correct handling of
5231 nullification in long branches.
5232 (output_lbranch): Add new argument to control extraction of delay
5233 instruction.
5234 (output_bb): Handle long branches.
5235 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5236 output_parallel_addb): Likewise.
5238 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5240 PR rtl-optimization/27073
5241 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5242 not REG_EQUIVs.
5244 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5246 * tree.h (tree_memory_tag): Add old_used_alone.
5247 (SMT_OLD_USED_ALONE): New macro.
5248 * tree-ssa-alias.c (recalculate_used_alone): Stop
5249 marking things for renaming unnecessarily.
5251 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5253 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5254 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5255 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5256 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5257 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5258 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5259 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5260 spelling convensions.
5261 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5262 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5263 typos. Follow spelling conventions.
5265 2006-04-07 DJ Delorie <dj@redhat.com>
5267 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5268 passed on the stack.
5269 (m32c_init_cumulative_args): When a function returns a structure,
5270 always pass the pointer to that return area on the stack.
5271 (m32c_function_arg_advance): Don't increment the parameter number
5272 if we're processing the returned structure pointer.
5273 (pushm_info): Reverse order of registers.
5275 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5277 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5278 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5279 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5280 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5281 build_int_cst_type.
5282 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5283 chrec_fold_multiply): Same.
5284 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5285 force_expr_to_var_cost): Same.
5286 * tree-mudflap.c (mf_xform_derefs_1): Same.
5287 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5289 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5291 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5292 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5293 insn.
5295 2006-04-07 Jan Hubicka <jh@suse.cz>
5297 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5299 2006-04-07 Richard Guenther <rguenther@suse.de>
5301 PR tree-optimization/26135
5302 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5303 loads for store copy-prop.
5304 (copy_prop_visit_stmt): Likewise.
5306 2006-04-05 Robert Millan <robertmh@gnu.org>
5308 * config/i386/linux.h: Add a comment to mark macros that are
5309 being overriden in config/k*bsd-gnu.h.
5310 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5311 DYNAMIC_LINKER.
5312 * config/knetbsd-gnu.h: Ditto.
5314 2006-04-06 Jan Hubicka <jh@suse.cz>
5316 PR profile/20815
5317 PR profile/26399
5318 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5319 after buffer.
5321 2006-04-06 Mike Stump <mrs@apple.com>
5323 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5324 for HAVE_nonlocal_goto to be consistent.
5325 (expand_builtin_nonlocal_goto): Likewise.
5326 (expand_builtin_strcmp): Use #ifdef instead of #if
5327 for HAVE_cmpstrnsi to be consistent.
5329 2006-04-05 DJ Delorie <dj@redhat.com>
5331 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5332 vs m32c.
5334 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5336 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5337 got-relative addressing for anything but SImode.
5339 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5340 even if the calling function doesn't modify them.
5342 2006-04-05 Richard Guenther <rguenther@suse.de>
5344 PR tree-optimization/26919
5345 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5346 to cgraph_estimate_size_after_inlining.
5348 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5350 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5352 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5354 PR tree-optimization/26996
5355 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5356 VECTOR_TYPE variables.
5358 2006-04-05 Richard Guenther <rguenther@suse.de>
5360 PR tree-optimization/26763
5361 * fold-const.c (fold_comparison): Move folding of
5362 PTR + CST CMP PTR + CST ...
5363 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5365 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5367 * doc/install.texi (Prerequisites): Refine some wording on
5368 bootstrapping and ksh.
5369 Move the version numbers of DejaGnu here from the testing section
5370 and fix casing of names.
5371 Fix markup and clarify wording for autogen requirements.
5372 Refer to GCJ instead of just java.
5373 Refer to SVN instead of CVS.
5374 Describe diffutils as useful instead of necessary.
5375 (Downloading the source): Refer to SVN instead of CVS.
5376 Adjust a link to our web site accordingly.
5377 (Configuration): Fix casing of Bison.
5378 (Building): Refer to SVN instead of CVS.
5379 Fix a sentence on the use of Bison and remove duplicate (and
5380 incorrect) version number of Bison requirement.
5381 Remove one redundant list of packages needed for building.
5382 (Specific): Avoid reference to CVS.
5384 2006-04-04 Eric Christopher <echristo@apple.com>
5386 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5387 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5388 (rs6000_handle_struct_attribute): New.
5389 (rs6000_ms_bitfield_layout_p): Ditto.
5391 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5393 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5394 NULL for dso parameter to atexit_common.
5396 2006-04-04 Eric Christopher <echristo@apple.com>
5398 * config/i386/i386.c (machopic_output_stub): Output \t
5399 between instructions and operands.
5401 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5403 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5404 satisfies_constraint_[IL] to explicit tests on value.
5406 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5408 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5409 set_nb_iterations_in_loop): Use build_int_cst instead of
5410 build_int_cst_type.
5411 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5412 build_int_cst instead of convert.
5414 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5416 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5417 new value 2 for incoming.
5418 * function.c (expand_function_start): Call struct_value_rtx
5419 with incoming as 2.
5420 * config/sparc/sparc.md: Comment updated_return.
5421 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5422 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5423 struct return if sparc_std_struct_return and incoming is 2.
5424 (print_operand): Do not adjust return if
5425 sparc_std_struct_return.
5427 2006-04-04 Roger Sayle <roger@eyesopen.com>
5429 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5430 convert in the middle-end.
5431 * expr.c (store_expr, store_constructor, get_inner_reference,
5432 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5433 Likewise.
5434 * tree.c (build_range_type): Likewise.
5436 2006-04-04 Tom Tromey <tromey@redhat.com>
5438 * doc/install.texi (Prerequisites): Mention jar.
5440 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5442 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5443 subsection.
5445 2006-04-04 Matthias Klose <doko@debian.org>
5447 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5448 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5449 strings.
5451 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5453 * doc/extend.texi (Function Attributes): Rewrite visibility
5454 attribute documentation.
5455 * doc/invoke.texi (C++ Dialect Options): Rewrite
5456 -fvisibility-inlines-hidden documentation to describe something
5457 entirely different, although in practise compatible.
5458 (Code Gen Options): Warn about system headers in -fvisibility=
5459 documentation.
5461 * doc/extend.texi (Other Builtins): Document that
5462 __builtin_nan is a compile-time constant only when its argument
5463 is valid.
5465 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5467 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5468 trying to remove TRUNCATE check if all bits outside the new mode
5469 are identical to the sign bit.
5471 2006-04-03 Jeff Law <law@redhat.com>
5473 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5474 and operand scanning in some common cases.
5476 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5477 Dale Johannesen <dalej@apple.com>
5479 PR target/19653
5480 * regclass.c (struct reg_pref): Update documentation.
5481 (regclass): Set prefclass to NO_REGS if memory is the best option.
5482 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5483 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5484 into account. For non-registers, equate an empty preferred
5485 reload class to a `!' in the constraint; move the if clause to
5486 do so after those that reject the insn.
5487 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5488 return NO_REGS.
5489 (find_dummy_reload): Likewise.
5490 * doc/tm.texi (Register Classes): Document what it means
5491 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5492 * config/i386/i386.c (ix86_preferred_reload_class): Force
5493 using SSE registers (and return NO_REGS for floating-point
5494 constants) if math is done with SSE.
5495 (ix86_preferred_output_reload_class): New.
5496 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5497 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5498 * config/i386/i386.md: Remove # register preferences.
5500 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5502 PR bootstrap/26992
5503 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5504 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5505 the type of nb_iter.
5506 (instantiate_parameters_1): Convert the operands before calling
5507 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5508 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5510 2006-04-02 Roger Sayle <roger@eyesopen.com>
5512 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5513 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5514 instead of convert.
5515 * dojump.c (do_jump): Likewise.
5516 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5517 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5518 gimplify_boolean_expr): Likewise.
5519 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5520 * varasm.c (array_size_for_constructor): Likewise.
5521 * tree-object-size.c (compute_object_offset): Likewise.
5523 2006-04-02 Roger Sayle <roger@eyesopen.com>
5525 PR middle-end/26977
5526 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5527 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5529 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5531 PR tree-optimization/26939
5532 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5534 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5536 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5537 at_stmt. Convert the type of operands before calling
5538 build_polynomial_chrec.
5539 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5540 add_to_evolution_1.
5541 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5542 (instantiate_parameters_1): Convert the type of operands before calling
5543 build_polynomial_chrec.
5544 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5545 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5546 reset_evolution_in_loop): Insert asserts to check the types of the
5547 operands.
5548 (chrec_type): Moved...
5549 (eq_evolutions_p): Use operand_equal_p.
5550 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5551 the types of the operands.
5552 (chrec_type): ...here.
5553 * tree-data-ref.c (create_data_ref): Convert the operands before
5554 calling chrec_replace_initial_condition.
5555 (same_access_functions, analyze_subscript_affine_affine,
5556 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5557 (compute_subscript_distance, analyze_ziv_subscript,
5558 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5559 analyze_miv_subscript): Convert the operands before calling
5560 chrec_fold_minus or chrec_fold_plus.
5562 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5564 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5565 the dependence_relations vector.
5566 (compute_data_dependences_for_loop): Adjust call to
5567 compute_all_dependences.
5569 2006-04-01 Roger Sayle <roger@eyesopen.com>
5570 Richard Henderson <rth@redhat.com>
5572 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5573 gimple_boolify on the condition before calling gimplify_expr.
5575 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5577 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5578 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5579 the frame size. Update to use the new macros.
5580 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5581 * config/xtensa/ieee754-df.S: Likewise.
5583 2006-03-31 Richard Henderson <rth@redhat.com>
5585 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5586 (make_edges): ... here. Control fallthru creation with a local
5587 variable. Do not play with fake edges.
5588 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5589 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5590 a boolean.
5592 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5594 * dwarf2.h (DW64_CIE_ID): Define.
5595 * dwarf2out.c (DWARF_CIE_ID): Define.
5596 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5597 length header. Use DWARF_CIE_ID.
5598 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5599 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5601 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5603 * config/sh/linux-atomic.asm: New file.
5604 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5606 2006-03-31 DJ Delorie <dj@redhat.com>
5608 * config/m32c/cond.md: Set condition flags properly throughout.
5609 * config/m32c/minmax.md: Likewise.
5610 * config/m32c/prologue.md: Likewise.
5611 * config/m32c/bitops.md: Likewise.
5612 * config/m32c/muldiv.md: Likewise.
5613 * config/m32c/mov.md: Likewise.
5614 * config/m32c/addsub.md: Likewise.
5615 * config/m32c/m32c.md: Likewise.
5616 * config/m32c/jump.md: Likewise.
5617 * config/m32c/shift.md: Likewise.
5619 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5620 conditionally output the pattern for this.
5621 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5622 (m32c_compare_redundant): New.
5623 (m32c_output_compare): New.
5624 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5626 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5627 dest, not src. Allow other 4-byte modes.
5629 2006-03-30 Denis Chertykov <denisc@overta.ru>
5631 * doc/md.texi: Refer to avr/constraints.md instead of
5632 avr/avr.h.
5634 2006-03-30 Roger Sayle <roger@eyesopen.com>
5636 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5637 signed vs. unsigned comparison failures on some hosts.
5639 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5641 PR target/26459
5642 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5643 change to FLOAT_REGS.
5645 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5646 (rs6000_override_options): Use it.
5647 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5648 only for -mabi=spe/no-spe and -mabi=altivec.
5650 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5652 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5653 !Zdynamiclib.
5655 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5657 * Makefile.in: Rename docdir to gcc_docdir.
5659 2006-03-30 Roger Sayle <roger@eyesopen.com>
5661 PR target/17959
5662 * expr.c (emit_group_store): Optimize group stores into a pseudo
5663 register by using a paradoxical subreg to initialize the destination
5664 if the first or last member of the group specifies a "low part".
5666 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5668 PR target/26734
5669 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5670 * target.h (struct gcc_target.speculate_insn): Change type of the
5671 second parameter to 'int'.
5672 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5673 the second operand of the DEPS_LIST.
5674 (copy_DEPS_LIST_list): Update reference to the second operand of the
5675 DEPS_LIST.
5676 * rtl.h (alloc_DEPS_LIST): Update signature.
5677 * sched-int.h (ds_t): Change typedef to 'int'.
5678 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5680 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5682 * haifa-sched.c (try_ready): Change condition to restore
5683 non-speculative pattern of the instruction.
5684 (process_insn_depend_be_in_spec): Code to keep probability of the
5685 speculative dependence non-decreasing.
5687 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5689 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5690 (single_move_for_movmem): ... this. Also change all uses.
5691 (bfin_expand_strmov): Renamed to...
5692 (bfin_expand_movmem): ... this. Also change all uses.
5693 * config/bfin/bfin.md (movstrsi): Renamed to...
5694 (movstrsi): ...this.
5696 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5698 PR tree-optimization/26830
5700 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5701 (copy_prop_visit_stmt): Remove write-only variable ann.
5702 (init_copy_prop): Check variable loop depth here. Do not simulate
5703 memory-tag and virtual operand PHIs except for store copy prop.
5705 2006-03-30 Richard Guenther <rguenther@suse.de>
5707 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5708 variants with double arguments.
5710 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5712 * genpreds.c (write_tm_constrs_h): Delete variable p.
5713 * genconditions.c (write_header): Add tm-constrs.h to included
5714 headers.
5715 * genpeep.c (main): Add toplev.h to included headers.
5716 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5717 (build/genpeep.o): Add toplev.h dependency.
5718 * config/rs6000/constraints.md: Add "W" constraint.
5720 2006-03-29 Roger Sayle <roger@eyesopen.com>
5722 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5723 sizes by correctly testing whether the size fits a host integer.
5724 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5725 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5726 SImode range for the default sizetype and bitsizetype.
5728 2006-03-29 Roger Sayle <roger@eyesopen.com>
5730 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5731 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5732 quickly if the argument is already of the correct type.
5733 Call fold_build1 instead of build1. Tidy up blank lines.
5735 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5737 * genemit.c (main): Add tm-constrs.h to included headers.
5738 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5739 * genpeep.c (main): Add tm-constrs.h to included headers.
5740 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5741 (write_tm_constrs_h): this and write complete file.
5742 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5743 (write_insn_preds_c): Add tm-constrs.h to included headers.
5744 (gen_constrs): New variable.
5745 (parse_option): Parse "-c".
5746 (main): Invoke write_tm_constrs_h.
5747 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5748 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5749 (object_out_file): Add tm-constrs.h dependency.
5750 (insn-emit.o): Same.
5751 (insn-output.o): Same.
5752 (insn-peep.o): Same.
5753 (insn-preds.o): Same.
5754 (insn-recog.o): Same.
5755 (tm-constsr.h): New target.
5756 (s-constrs-h): New target.
5758 * config/rs6000/constraints.md: New file.
5759 * config/rs6000/rs6000.c: Include tm-constrs.h.
5760 (num_insn_constant_wide): Convert to satisfies_constraint.
5761 (rs6000_rtx_costs): Convert to satisfies_constraint.
5762 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5763 (CONST_OK_FOR_LETTER_P): Delete.
5764 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5765 (EXTRA_CONSTRAINT): Delete.
5766 (EXTRA_MEMORY_CONSTRAINT): Delete.
5767 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5768 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5769 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5770 satisfies_constraint.
5772 * config/i386/i386.c: Include tm-constrs.h.
5774 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5776 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5777 * tree-data-ref.c (find_data_references_in_loop,
5778 compute_data_dependences_for_loop): Use pointers to VEC.
5779 (analyze_all_data_dependences): Adjust calls.
5780 * tree-data-ref.h (find_data_references_in_loop,
5781 compute_data_dependences_for_loop): Adjust declarations.
5782 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5783 compute_data_dependences_for_loop.
5785 2006-03-29 Paul Brook <paul@codesourcery.com>
5787 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5788 (movdf_vfp): Ditto.
5790 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5792 PR tree-optimization/26859
5793 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5794 division by zero.
5795 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5796 for the step after fold_convert.
5798 2006-03-29 Paul Brook <paul@codesourcery.com>
5800 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5801 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5803 2006-03-29 Paul Brook <paul@codesourcery.com>
5805 PR middle-end/23623
5806 * targhooks.c (default_narrow_bitfield): New fuction.
5807 * targhooks.h (default_narrow_bitfield): add prototype.
5808 * target.h (gcc_target): Add narrow_volatile_bitfield.
5809 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5810 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5811 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5812 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5814 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5816 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5817 tmake_file.
5818 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5819 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5820 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5821 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5822 (s390_function_arg_float): Allow SDmode and DDmode values to be
5823 passed in floating point registers.
5824 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5825 check with SCALAR_FLOAT_MODE_P.
5826 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5828 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5830 PR tree-optimization/25985
5831 * tree-ssa-loop-niter.c (number_of_iterations_le,
5832 number_of_iterations_ne): Make comments more precise.
5833 (number_of_iterations_cond): Add only_exit argument. Use the
5834 fact that signed variables do not overflow only when only_exit
5835 is true.
5836 (loop_only_exit_p): New.
5837 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5838 number_of_iterations_cond.
5840 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5842 PR tree-optimization/26643
5843 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5844 bit_field_refs.
5846 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5848 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5849 (divsi3_i4_int): Likewise.
5851 2006-03-28 Roger Sayle <roger@eyesopen.com>
5853 * expr.c (emit_group_store): Only create a new pseudo reg if the
5854 quantity it needs to hold isn't already a suitable pseudo.
5856 2006-03-28 Jeff Law <law@redhat.com>
5858 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5859 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5861 2006-03-28 Roger Sayle <roger@eyesopen.com>
5863 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5864 the equivalent ~X & Y, and the symmetry related transformations.
5865 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5866 ~X & Y, and symmetry related transforms.
5868 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5870 Revert my 2006-03-27 patches.
5872 2006-03-28 Roger Sayle <roger@eyesopen.com>
5874 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5875 ~(T1)X, when T1 and T2 are integer types of the same precision
5876 and (T2)X isn't an extension.
5878 2006-03-28 Jeff Law <law@redhat.com>
5880 PR tree-optimization/26796
5881 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5882 need EH edge cleanups rather than purging them immediately.
5883 (eliminate_degenerate_phis): Handle queued EH cleanups.
5885 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5887 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5888 from parent_var.
5890 2006-03-27 Roger Sayle <roger@eyesopen.com>
5892 PR middle-end/22524
5893 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5894 cast BIT_NOT_EXPR operand to the correct type.
5896 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5898 * tree-loop-linear.c: Don't include varray.h.
5899 (gather_interchange_stats, try_interchange_loops,
5900 linear_transform_loops): Use VEC instead of VARRAY.
5901 * lambda-mat.c: Don't include varray.h.
5902 * tree-chrec.c: Same.
5903 * lambda-trans.c: Same.
5904 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5905 VEC instead of VARRAY.
5906 * tree-vectorizer.h: Idem.
5907 * tree-data-ref.c (dump_data_references,
5908 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5909 initialize_data_dependence_relation, finalize_ddr_dependent,
5910 compute_all_dependences, find_data_references_in_loop,
5911 compute_data_dependences_for_loop, analyze_all_data_dependences,
5912 free_dependence_relation, free_dependence_relations,
5913 free_data_refs): Idem.
5914 * tree-data-ref.h (data_reference_p, subscript_p): New.
5915 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5916 VEC instead of VARRAY.
5917 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5918 (find_data_references_in_loop, compute_data_dependences_for_loop,
5919 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5920 dump_data_dependence_relations, free_dependence_relations,
5921 free_data_refs): Adjust declaration.
5922 (lambda_transform_legal_p): Move declaration here...
5923 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5924 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5925 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5926 vect_analyze_data_refs): Use VEC instead of VARRAY.
5927 * lambda.h (lambda_transform_legal_p): ...from here.
5928 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5929 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5930 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5931 tree-chrec.o): Don't depend on VARRAY_H.
5933 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5935 * rtl.def (Copyright): Update date.
5936 (DEPS_LIST): Change type of the second operand to 'int'.
5937 * target.h (Copyright): Update date.
5938 (struct gcc_target.speculate_insn): Change type of the second parameter
5939 to 'int'.
5940 * lists.c (Copyright): Update date.
5941 (alloc_DEPS_LIST): Change signature. Update reference to the second
5942 operand of the DEPS_LIST.
5943 (copy_DEPS_LIST_list): Update reference to the second operand of the
5944 DEPS_LIST.
5945 * rtl.h (Copyright): Update date.
5946 (alloc_DEPS_LIST): Update signature.
5947 * sched-int.h (Copyright): Update date.
5948 (ds_t): Change typedef to 'int'.
5949 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5951 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5953 * haifa-sched.c (Copyright): Update date.
5954 (try_ready): Change condition to restore non-speculative pattern
5955 of the instruction.
5956 (process_insn_depend_be_in_spec): Code to keep probability of the
5957 speculative dependence non-decreasing.
5959 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5961 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5962 shut up the compiler.
5964 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5966 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5967 to use lib prefix for target.
5968 ($(T)libic_invalidate_array_4-200.a): Likewise.
5969 ($(T)libic_invalidate_array_4a.a): Likewise.
5971 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5972 J"orn Rennecke <joern.rennecke@st.com>
5974 * superh.opt: New file.
5975 * sh.c (boardtype, osruntime): Remove.
5976 * superh.h (SUBTARGET_OPTIONS): Remove.
5977 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5979 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5980 arguments with ^ and/or [].
5982 * config.gcc (sh-*-*): Add quoting to account for quirk of
5983 Solaris /bin/sh.
5984 Replace == with = in enable_incomplete_targets test.
5986 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5987 with MASK_LITTLE_ENDIAN.
5989 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5990 * config/sh/sh.opt: Added to some comments.
5991 * config/sh/superh.h: Removed some chaff.
5993 * config/sh/sh.opt: Add m4-[1234]00* options.
5994 * config/sh/sh.c (sh_handle_option): Likewise.
5995 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5996 (ic_invalidate_array_4-100.o): New rule.
5997 ($(T)libic_invalidate_array_4-100.a): Likewise.
5998 (ic_invalidate_array_4-200.o): Likewise.
5999 ($(T)libic_invalidate_array_4-200.a): Likewise.
6000 (ic_invalidate_array_4a.o): Likewise.
6001 ($(T)libic_invalidate_array_4a.a): Likewise.
6002 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6003 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6004 m4-200*, and m4a*.
6005 * config/sh/crt1.asm: Merged in profiling code.
6006 * config/sh/superh.h (STARTFILE_SPEC): Override.
6007 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6008 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6009 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6011 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6012 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6013 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6015 * sh.opt (mpretend-cmove): New option.
6016 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6017 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6018 (movsicc): Add TARGET_PRETEND_CMOVE code.
6020 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6022 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6023 s390_class_max_nregs): New function prototypes.
6024 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6025 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6026 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6027 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6029 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6031 * dwarf2out.c (add_location_or_const_value_attribute): Call
6032 tree_add_const_value_attribute if nothing else works.
6033 (reference_to_unused): New.
6034 (rtl_for_decl_init): Use reference_to_unused to decide whether
6035 to output an initializer.
6037 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6039 PR target/26459
6040 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6041 peephole removing spe frob_di_df_2.
6043 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6045 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6046 (subscript_dependence_tester_1): Declared.
6047 (print_dir_vectors, print_dist_vectors): New.
6048 (debug_data_dependence_relation): New.
6049 (dump_data_dependence_relation): Print more details.
6050 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6051 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6052 (save_dist_v, save_dir_v, add_outer_distances,
6053 build_classic_dist_vector_1): New.
6054 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6055 Don't test for lambda_vector_lexico_pos.
6056 (same_access_functions, add_multivariate_self_dist,
6057 add_other_self_distances, dir_from_dist): New.
6058 (build_classic_dir_vector): Replace implementation almost identical to
6059 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6060 dir_from_dist.
6061 (subscript_dependence_tester_1): New.
6062 (subscript_dependence_tester): Handle the lexicographically negative
6063 distance vectors by recomputing the dependence relation.
6064 (compute_affine_dependence): Remove parameter loop_nest_depth.
6065 (compute_self_dependence): Don't call compute_subscript_distance.
6066 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6067 Add a parameter for the loop_nest.
6068 (find_loop_nest_1, find_loop_nest): New.
6069 (compute_data_dependences_for_loop): Compute the loop nest, and give
6070 up if the nest is not well formed.
6071 * tree-data-ref.h (loop_p): New.
6072 (struct data_dependence_relation): Replace size_vect field with
6073 loop_nest, a vec of loops.
6074 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6075 (DDR_LOOP_NEST): New.
6076 (print_dir_vectors, print_dist_vectors,
6077 debug_data_dependence_relation): Declared.
6078 (index_in_loop_nest): New.
6079 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6080 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6081 distance.
6083 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6085 * simplify-rtx.c (simplify_relational_operation): Call
6086 simplify_relational_operation_1 even if mode is VOIDmode.
6088 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6090 PR tree-optimization/26804
6091 * tree.h (DECL_CALL_CLOBBERED): New macro.
6092 (tree_decl_common): Add call_clobbered_flag.
6093 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6094 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6095 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6096 (mark_non_addressable): Ditto.
6097 * tree-ssa.c (verify_call_clobbered): New function.
6098 (verify_alias_info): Use it.
6099 * tree-pass.h (pass_reset_cc_flags): New prototype.
6100 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6101 (reset_cc_flags): New function.
6102 * passes.c (init_optimization_passes): Call reset_cc_flags after
6103 initializing referenced_vars.
6105 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6106 Roger Sayle <roger@eyesopen.com>
6108 PR middle-end/26717
6109 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6110 to 1.0 for non-real operands. Implement A / A optimization for
6111 complex operands.
6113 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6115 * config/i386/i386.c (size_cost): Correct the comment for
6116 cost of storing fp registers.
6117 (i386_cost): Likewise.
6118 (i486_cost): Likewise.
6119 (pentium_cost): Likewise.
6120 (pentiumpro_cost): Likewise.
6121 (k6_cost): Likewise.
6122 (athlon_cost): Likewise.
6123 (k8_cost): Likewise.
6124 (pentium4_cost): Likewise.
6125 (nocona_cost): Likewise.
6126 (generic64_cost): Likewise.
6127 (generic32_cost): Likewise.
6129 2006-03-24 Denis Chertykov <denisc@overta.ru>
6131 * config/avr/avr-protos.h (extra_constraint): Delete.
6132 (extra_constraint_Q): New declaration.
6133 * config/avr/constraints.md: New file.
6134 * config/avr/avr.md: Include it.
6135 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6136 (TMP_REGNO, ZERO_REGNO): Likewise.
6137 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6138 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6139 (extra_constraint): Delete.
6140 (extra_constraint_Q): Test for memory constraint 'Q'.
6141 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6142 (REG_CLASS_FROM_LETTER): Delete.
6143 (CONST_OK_FOR_LETTER_P): Delete.
6144 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6145 (EXTRA_CONSTRAINT): Delete.
6146 (TMP_REGNO): Delete.
6147 (ZERO_REGNO): Delete.
6149 2006-03-24 Jeff Law <law@redhat.com>
6151 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6152 directly. Call mark_new_vars_to_rename slightly earlier.
6154 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6156 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6157 (is_cxx): Likewise.
6158 (gen_compile_unit_die): Use new language types for Objective-C and
6159 Objective-C++.
6160 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6161 DW_LANG_C_plus_plus.
6163 PR 26793
6164 * config/t-darwin (crt3.o): Work around bug 26840.
6165 * config/darwin-crt3.c: Rewrite.
6166 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6168 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6170 * doc/invoke.texi: Document -femit-class-debug-always
6171 * common.opt: Add -femit-class-debug-always.
6173 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6175 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6176 index and base register.
6177 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6178 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6179 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6180 REGNO_OK_FOR_INDEX_P.
6181 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6182 ADDR_REGNO_P.
6183 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6184 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6185 REG_OK_FOR_BASE_P): Definitions removed.
6187 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6189 PR middle-end/26611
6190 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6191 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6192 set yet or weren't marked as local yet.
6194 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6196 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6197 the compiler.
6199 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6201 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6202 (rs6000_legitimate_small_data_p): Delete.
6203 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6204 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6205 and make static. Add forward declaration. Update uses.
6206 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6207 of offsettable_memref_p.
6208 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6209 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6211 2006-03-24 Jeff Law <law@redhat.com>
6213 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6214 around bug in immediate-use iterator.
6216 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6218 PR target/26607
6219 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6220 or __LITTLE_ENDIAN__.
6222 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6224 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6225 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6226 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6227 * config/sh/sh.opt (mdiv=): Amend description.
6228 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6229 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6230 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6231 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6232 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6233 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6234 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6235 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6236 TARGET_DIVIDE_CALL_FP.
6238 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6240 * haifa-sched.c (choose_ready): Fix type of the local variable.
6241 Move local variables. Add comment.
6242 (check_reg_live): Change signature. Make callable from debugger.
6243 * sched-int.h (check_reg_live): Update signature.
6244 * sched-ebb.c (check_reg_live): Update parameters.
6245 * sched-rgn.c (check_reg_live): Ditto.
6246 (region_head_or_leaf_p): Check pointer before dereferencing.
6247 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6248 before reload on optimization levels below 1.
6250 2006-03-23 Richard Henderson <rth@redhat.com>
6252 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6253 tls symbols.
6255 PR target/26347
6256 * config/alpha/predicates.md (local_symbolic_operand): Reject
6257 weak symbols.
6259 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6261 PR tree-opt/26795
6262 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6263 expressions which have overflowed constants.
6265 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6267 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6269 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6271 * cfgloopmanip.c (create_loop_notes): Removed.
6272 * final.c (final_scan_insn): Do not handle loop notes.
6273 * jump.c (squeeze_notes): Ditto.
6274 * cfglayout.c (skip_insns_after_block,
6275 duplicate_insn_chain): Ditto.
6276 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6277 create_loop_notes.
6278 * cfgloop.h (create_loop_notes): Declaration removed.
6280 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6282 * varasm.c (output_constant_pool): Restore fnname and fndecl
6283 arguments.
6284 (assemble_start_function): Adjust call accordingly.
6285 (assemble_end_function): Likewise.
6287 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6289 PR mudflap/26789
6290 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6292 PR mudflap/26790
6293 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6295 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6297 PR driver/22600
6298 * system.h (ICE_EXIT_CODE): New macro.
6299 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6300 (diagnostic_action_after_output): Likewise.
6301 * gcc.c (fatal_ice): New function.
6302 (execute): Use it instead of fatal.
6303 (fancy_abort): Likewise.
6304 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6306 2006-03-22 Jeff Law <law@redhat.com>
6308 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6309 iv_analyze_result returning false.
6311 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6313 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6315 2006-03-22 Richard Henderson <rth@redhat.com>
6317 PR middle-end/26084
6318 * except.c (duplicate_eh_regions_0): New.
6319 (duplicate_eh_region_1): Duplicate the children of the node as
6320 well as the node itself. Link them up properly.
6321 (duplicate_eh_region_2): Merge into ...
6322 (duplicate_eh_regions): ... here. Take copy_region argument, and
6323 copy only a sub-tree if asked. Simplify copying and fixup.
6324 (eh_region_outer_p): New.
6325 * except.h (duplicate_eh_regions): Update decl.
6326 (eh_region_outer_p): Declare.
6327 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6328 (lower_omp_master): Likewise.
6329 (lower_omp_ordered): Likewise.
6330 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6331 (move_stmt_r): Use it to remap labels. Handle recursion vs
6332 remap_decls_p properly.
6333 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6334 (find_outermost_region_in_block): New.
6335 (new_label_mapper): New.
6336 (move_sese_region_to_fn): Copy eh information to the new function
6337 properly.
6338 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6339 argument.
6340 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6341 number.
6343 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6345 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6346 into shared libraries.
6348 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6350 * doc/md.texi: Refer to i386/constraints.md instead of
6351 i386/predicates.md.
6352 * config/i386/constraints.md: New file, extracted from...
6353 * config/i386/predicates.md: ...here.
6354 * config/i386/i386.md: Include constraints.md.
6356 2006-03-21 Jason Merrill <jason@redhat.com>
6358 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6360 PR middle-end/20297
6361 * expr.c (init_block_move_fn): Force default visibility.
6362 (init_block_clear_fn): Likewise.
6363 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6364 * targhooks.c (default_external_stack_protect_fail): Likewise.
6366 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6368 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6369 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6370 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6371 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6372 (loadgp): Use mips_current_loadgp_style.
6373 (loadgp_noshared): New pattern.
6374 (sibcall_internal): Use MIPS_CALL.
6375 (sibcall_value_internal): Likewise.
6376 (sibcall_value_multiple_internal): Likewise.
6377 (call_internal): Likewise.
6378 (call_value_internal): Likewise.
6379 (call_value_multiple_internal): Likewise.
6380 (call_split): Use MIPS_CALL and add an 'S' constraint.
6381 (call_value_split): Likewise.
6382 (call_value_multiple_split): Likewise.
6383 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6384 (-mshared): New option.
6385 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6386 (mips_current_loadgp_style): Declare.
6387 * config/mips/mips.c (mips_classify_symbol): Avoid using
6388 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6389 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6390 TARGET_ABSOLUTE_ABICALLS.
6391 (override_options): Adjust comments. Improve the warning that is
6392 issued when -mabicalls and -G are used together.
6393 (mips_file_start): Remove comment.
6394 (mips_current_loadgp_style): New function.
6395 (mips_gnu_local_gp): New variable.
6396 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6397 LOADGP_ABSOLUTE.
6398 (mips_output_function_prologue): Use mips_current_laodgp_style.
6399 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6400 the cprestore instruction.
6401 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6402 live for TARGET_ABSOLUTE_ABICALLS.
6403 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6404 (ASM_SPEC): Pass down -mshared and -mno-shared.
6405 (MIPS_CALL): New macro.
6406 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6407 definition.
6408 * doc/invoke.texi (-mabicalls): Update documentation.
6409 (-mshared): Document.
6411 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6413 * config/ia64/unwind-hpux.c: New file.
6414 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6416 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6418 PR libgomp/26384
6419 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6421 2006-03-21 Jeff Law <law@redhat.com>
6423 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6424 type conversions of a VR_VARYING source to a wider type.
6426 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6428 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6429 tm_file on Solaris 10 and later.
6430 (sparc64-*-solaris2*): Likewise.
6431 (sparc-*-solaris2*): Likewise.
6432 * config/sol26.h: Rename to config/sol2-6.h.
6433 * config/sol2-10.h: New file.
6435 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6437 PR tree-opt/26781
6438 * tree-ssa-pre.c (create_component_ref_by_pieces):
6439 Handle STRING_CST.
6441 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6443 PR c++/26690
6444 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6445 return it immediately.
6447 2006-03-21 Michael Matz <matz@suse.de>
6449 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6450 New members.
6451 (remove_arc, add_arc): Update num_out_arcs member.
6452 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6453 of out arcs.
6454 (cache_presence): New function.
6455 (compare_states_for_equiv): New function.
6456 (state_is_differed): Don't take number of outargs, adjust callers.
6457 Use new invariant for speeding up.
6458 (init_equiv_class): Create initial classes based on sorted
6459 input.
6460 (partition_equiv_class): Don't track out_arcs_num.
6461 (evaluate_equiv_classes): Call cache_presence on all states and
6462 sort them.
6464 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6466 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6467 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6468 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6469 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6470 callers changed.
6471 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6472 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6473 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6474 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6475 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6476 macros.
6477 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6478 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6479 (REGNO_REG_CLASS): ARGP is in PREGS.
6480 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6481 IREGS.
6482 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6483 to deal with those addresses.
6484 * addresses.h: New file.
6485 * caller-save.c: Include "addresses.h".
6486 (init_caller_save): Use new base_reg_class function.
6487 * rtl-factoring.c: Include "addresses.h".
6488 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6489 * recog.c: Include "addresses.h".
6490 (preprocess_constraints): Use new base_reg_class function.
6491 * regrename.c: Include "addresses.h".
6492 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6493 functions. Keep track of a new var INDEX_CODE to compute valid
6494 classes.
6495 (replace_oldest_value_addr): Likewise.
6496 (replace_oldest_value_mem): Use base_reg_class.
6497 * reload.c: Include "addresses.h".
6498 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6499 (find_reloads): Use new base_reg_class function.
6500 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6501 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6502 all callers and prototype changed.
6503 * reload1.c: Include "addresses.h".
6504 (maybe_fix_stack_asms): Use base_reg_class.
6505 * regclass.c: Include "addresses.h".
6506 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6507 (init_reg_autoinc): Use new base_reg_class function.
6508 (record_reg_classes): Likewise.
6509 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6510 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6511 Use new args to compute necessary class.
6513 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6514 regrename.o, rtl-factoring.o): Update dependencies.
6515 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6516 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6517 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6518 REG_OK_FOR_INDEX_P): Delete documentation.
6520 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6522 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6523 from V7 to V9 for Solaris 7 and above.
6525 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6527 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6528 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6529 argument pointers may not alias any other storage.
6530 * common.opt: Define option -fargument-noalias-anything.
6531 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6532 alias semantics is specified by flag_argument_noalias > 2.
6534 2006-03-20 Jeff Law <law@redhat.com>
6536 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6537 (pass_phi_only_cprop): Declare.
6538 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6539 with phi_only_cprop
6540 * tree-ssa-dom.c (degenerate_phi_result): New function.
6541 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6542 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6543 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6544 (eliminate_degenerate_phis): Likewise.
6545 (pass_phi_only_cprop): New pass descriptor.
6546 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6547 support code. Callers updated.
6548 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6549 (store_copy_prop): Likewise.
6550 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6552 2006-03-20 Jason Merrill <jason@redhat.com>
6554 PR c++/21764
6555 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6556 (push_visibility, pop_visibility): Likewise.
6557 * c-pragma.h: Declare them.
6559 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6561 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6563 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6564 parameter and use get_ebb_head_tail.
6565 (sh_md_init_global): Adjust uses of find_regmode_weight.
6567 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6569 * function.h (struct function) <x_tail_recursion_reentry>:
6570 Rename to x_stack_check_probe_note.
6571 (tail_recursion_reentry): Rename to stack_check_probe_note.
6572 * function.c: Replace tail_recursion_reentry with
6573 stack_check_probe_note everywhere.
6574 (expand_function_start): Only emit a note for
6575 stack_check_probe_note with -fstack-protect.
6576 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6578 * emit-rtl.c (remove_unnecessary_notes): Remove.
6579 (pass_remove_unnecessary_notes): Remove.
6580 * rtl.h (remove_unnecessary_notes): Remove prototype.
6581 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6582 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6583 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6585 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6587 PR tree-opt/26629
6588 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6589 (valid_in_set): Handle ARRAY_REF.
6590 Change "if min_variant or VH" to asserts.
6591 (create_component_ref_by_pieces): Handle ARRAY_REF.
6592 (create_expression_by_pieces): Likewise.
6593 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6595 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6597 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6598 is operand of switch, not str[0].
6600 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6602 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6603 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6605 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6607 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6608 end of insn_extra_address_constraint declaration.
6610 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6612 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6613 (no-sum-in-toc): Same.
6614 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6615 variables.
6616 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6617 NO_FP_IN_TOC for -fPIC instead of mask.
6619 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6620 (BOOT_LDFLAGS): Delete.
6621 (LDFLAGS): Delete.
6622 * config/rs6000/t-aix52: Same.
6624 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6625 (stmsi[345678]_power): New.
6627 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6629 * config/ia64/ia64.opt: Add empty line to end of file.
6631 2006-03-17 Richard Guenther <rguenther@suse.de>
6633 PR middle-end/26721
6634 * builtins.c (get_pointer_alignment): For component style references
6635 adjust alignment to the component type alignment. Make sure
6636 to adjust alignment for component access of constants.
6638 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6640 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6641 unconditional jump.
6643 2006-03-17 Paul Brook <paul@codesourcery.com>
6645 * doc/install.texi: Docuemnt --with-mode.
6646 * config.gcc: Add --with-mode for arm*-*-*.
6647 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6649 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6651 * sh.c (max_labelno_before_reorg): New variable.
6652 (sh_reorg): Initialize it.
6653 (find_barrier): Check max_labelno_before_reorg before using
6654 label_to_alignment. Take length of explicit alignment insns
6655 into account. When seeing a UNSPECV_CONST_END, return it.
6657 * sh.c (fixup_mova): Set mode of affected label to QImode.
6658 (untangle_mova): New function.
6659 (find_barrier): Use it. Check mode of label before decrementing
6660 num_mova.
6661 (sh_reorg): Likewise.
6662 Set mode of all insns back to VOIDmode.
6664 * sh.c (MOVA_LABELREF): New macro.
6665 (mova_p, fixup_mova, sh_reorg): Use it.
6666 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6667 ADDR_DIFF_VEC matches mova.
6669 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6671 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6672 with ATTRIBUTE_UNUSED.
6674 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6676 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6677 pointer, instead of assuming it is possible to derive the
6678 correct args size from a call insn.
6680 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6682 * rtl.h (CONST_INT_P): Define.
6683 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6684 instead of GET_CODE(x) == CONST_INT.
6685 (vax_rtx_costs): Likewise.
6686 (vax_output_int_move): Likewise.
6687 (vax_output_int_add): Likewise.
6688 (legitimate_constant_address_p): Likewise.
6689 (index_term_p): Likewise.
6690 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6691 * config/vax/vax.md (and<mode>3): Likewise.
6692 (ashrsi3): Likewise.
6693 (extv): Likewise.
6694 (movstricthi): Likewise.
6695 (movstrictqi): Likewise.
6696 (rotrsi3): Likewise.
6697 (five unnamed insns): Likewise.
6699 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6701 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6702 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6703 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6704 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6705 Pass to ASM_OUTPUT_DWARF_OFFSET.
6706 * dwarf2out.c (debug_frame_section): New.
6707 (output_call_frame_info): Use debug_frame_section. Pass it to
6708 dw2_asm_output_offset.
6709 (output_die): Pass appropriate section to dw2_asm_output_offset.
6710 (output_compilation_unit_header): Likewise.
6711 (output_pubnames): Likewise.
6712 (output_aranges): Likewise.
6713 (enum dw_val_class): Break dw_val_class_lbl_offset into
6714 dw_val_class_lineptr and dw_val_class_macptr.
6715 (add_AT_lbl_offset): Delete.
6716 (add_AT_lineptr): New.
6717 (add_AT_macptr): New.
6718 (AT_lbl): Expect a lineptr or macptr.
6719 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6720 (attr_checksum): Likewise.
6721 (same_dw_val_p): Likewise.
6722 (size_of_die): Likewise.
6723 (value_format): Likewise.
6724 (output_die): Likewise.
6725 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6726 add_AT_lbl_offset.
6727 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6728 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6729 * config/darwin-protos.h (darwin_file_start): New.
6730 (darwin_asm_output_dwarf_offset): New.
6731 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6732 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6733 darwin_file_start.
6734 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6735 if not EH section; simplify.
6736 (darwin_file_start): New.
6737 (darwin_asm_output_dwarf_offset): New.
6738 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6739 mark as 'debug'.
6740 (DEBUG_INFO_SECTION): Likewise.
6741 (DEBUG_ABBREV_SECTION): Likewise.
6742 (DEBUG_ARANGES_SECTION): Likewise.
6743 (DEBUG_MACINFO_SECTION): Likewise.
6744 (DEBUG_LINE_SECTION): Likewise.
6745 (DEBUG_LOC_SECTION): Likewise.
6746 (DEBUG_PUBNAMES_SECTION): Likewise.
6747 (DEBUG_STR_SECTION): Likewise.
6748 (DEBUG_RANGES_SECTION): Likewise.
6749 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6750 (ASM_OUTPUT_DWARF_OFFSET): New.
6752 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6754 * config.gcc (tm_defines): Always add to previous value rather
6755 than replacing it.
6757 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6759 * config/mips/predicates.md (splittable_const_int_operand): New,
6760 split from move_operand.
6761 (splittable_symbolic_operand): New.
6762 (move_operand): Add commentary. Use splittable_const_int_operand.
6763 Inline mips_atomic_symbolic_constant_p.
6764 * config/mips/mips.md: Add combine splitters for handling moves
6765 of splittable_const_int_operands and splittable_symbolic_operands.
6766 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6767 (mips_split_symbol): Declare.
6768 (mips_move_integer): Declare.
6769 * config/mips/mips.c (mips_split_p): Make global.
6770 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6771 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6772 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6773 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6774 (mips_offset_within_object_p): Handle block symbols.
6775 (mips_atomic_symbolic_constant_p): Delete.
6776 (mips_cannot_force_const_mem): Return false for constants that
6777 mips_legitimize_move can handle.
6778 (mips_use_blocks_for_constant_p): New function.
6779 (mips_split_symbol): Make global.
6780 (mips_move_integer): Likewise. Add a temporary register argument.
6781 (mips_legitimize_const_move): Use splittable_const_int_operand and
6782 splittable_symbolic_operand.
6783 (mips_use_anchors_for_symbol_p): New function.
6784 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6785 (mips_split_p): Declare.
6787 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6789 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6790 (mips*-*-linux*): Likewise.
6792 2006-03-16 Roger Sayle <roger@eyesopen.com>
6793 Daniel Speyer <dspeyer@wam.umd.edu>
6795 PR middle-end/18259
6796 * tree-dump.c (dump_real): New function.
6797 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6798 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6799 (tree-dump.o): Add $(REAL_H) to the dependencies.
6801 2006-03-16 Roger Sayle <roger@eyesopen.com>
6803 PR middle-end/21781
6804 * real.c (real_from_string): If the mantissa is zero, don't bother
6805 parsing the exponent as the result should always be zero.
6807 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6809 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6811 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6813 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6814 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6815 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6816 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6817 ia64_sched_finish_global): New static functions to implement
6818 hooks from gcc_target.sched.
6819 (spec_check_no, max_uid, pending_data_specs): New static variables.
6820 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6821 ia64_spec_check_src_p): New static functions.
6822 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6823 (TARGET_SCHED_ADJUST_COST): Removed.
6824 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6825 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6826 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6827 TARGET_SCHED_GEN_CHECK,
6828 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6829 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6830 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6831 Fixed to handle speculation checks.
6832 (rtx_needs_barrier): Fixed to handle speculative loads and
6833 their checks.
6834 (ia64_variable_issue): Added code to count speculative loads and their
6835 checks.
6836 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6837 speculative loads.
6838 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6839 New enumerations.
6840 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6841 New constants.
6842 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6843 (ia64_reorg): Reset stops_p to NULL after it is freed.
6844 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6845 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6846 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6847 chk_a.
6848 (data_speculative, control_speculative, check_load): New attributes.
6849 (mov<mode>_advanced, mov<mode>_speculative,
6850 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6851 zero_extend<mode>di2_speculative,
6852 zero_extend<mode>di2_speculative_advanced): New patterns for
6853 data and control speculative loads.
6854 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6855 check loads.
6856 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6857 New pattern for data and control speculation checks.
6858 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6859 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6860 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6861 Auxiliary definitions for the patterns.
6862 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6863 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6864 constraints.
6865 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6866 for speculation.
6867 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6868 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6869 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6870 New resource constraints.
6871 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6872 for speculation.
6873 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6874 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6875 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6876 msched-in-control-spec, msched-ldc, msched-control-ldc,
6877 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6878 msched-prefer-non-control-spec-insns,
6879 msched-count-spec-in-critical-path): New flags to tune speculative
6880 scheduling.
6881 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6882 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6883 msched-in-control-spec, msched-ldc, msched-control-ldc,
6884 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6885 msched-prefer-non-control-spec-insns,
6886 msched-count-spec-in-critical-path): Document new flags.
6888 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6890 * target.h (struct spec_info_def): New opaque declaration.
6891 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6892 speculate_insn, needs_block_p, gen_check,
6893 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6894 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6895 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6896 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6897 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6898 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6899 gcc_target.sched.
6900 (TARGET_SCHED): Use new macros.
6901 * rtl.h (copy_DEPS_LIST_list): New prototype.
6902 * sched-int.h (struct sched_info): Change signature of new_ready field,
6903 adjust all initializations. New fields: add_remove_insn,
6904 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6905 region_head_or_leaf_p.
6906 (struct spec_info_def): New structure declaration.
6907 (spec_info_t): New typedef.
6908 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6909 recovery_block, orig_pat.
6910 (glat_start, glat_end): New variables declaraions.
6911 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6912 New access macros.
6913 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6914 DETACH_LIFE_INFO, USE_GLAT.
6915 (enum SPEC_SCHED_FLAGS): New enumeration.
6916 (NOTE_NOTE_BB_P): New macro.
6917 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6918 attach_life_info, debug_spec_status, check_reg_live): New functions.
6919 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6920 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6921 sched-ebb.c
6922 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6923 * ddg.c (get_block_head_tail): Adjust all uses.
6924 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6925 (sms_sched_info): Initialize new fields.
6926 (contributes_to_priority): Removed.
6927 * haifa-sched.c (params.h): New include.
6928 (get_block_head_tail): Adjust all uses.
6929 (ISSUE_POINTS): New macro.
6930 (glat_start, glat_end): New global variables.
6931 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6932 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6933 old_last_basic_block, before_recovery, current_sched_info_var,
6934 rgn_n_insns, luid): New static variables.
6935 (insn_cost1): New function. Move logic from insn_cost to here.
6936 (find_insn_reg_weight1): New function. Move logic from
6937 find_insn_reg_weight to here.
6938 (reemit_notes, move_insn, max_issue): Change signature.
6939 (move_insn1): Removed.
6940 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6941 extend_bb): New static functions to support extension of scheduler's
6942 data structures.
6943 (generate_recovery_code, process_insn_depend_be_in_spec,
6944 begin_speculative_block, add_to_speculative_block,
6945 init_before_recovery, create_recovery_block, create_check_block_twin,
6946 fix_recovery_deps): New static functions to support
6947 generation of recovery code.
6948 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6949 restore_bb_notes, move_block_after_check, move_succs): New static
6950 functions to support ebb scheduling.
6951 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6952 functions to support handling of register live information.
6953 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6954 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6955 add_jump_dependencies): New static functions.
6956 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6957 consistancy checking.
6958 (debug_spec_status): New function to call from debugger.
6959 (priority): Added code to handle speculation checks.
6960 (rank_for_schedule): Added code to distinguish speculative instructions.
6961 (schedule_insn): Added code to handle speculation checks.
6962 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6963 Fixed to handle ebbs.
6964 (move_insn): Added code to handle ebb scheduling.
6965 (max_issue): Added code to use ISSUE_POINTS of instructions.
6966 (choose_ready): Added code to choose between speculative and
6967 non-speculative instructions.
6968 (schedule_block): Added code to handle ebb scheduling and scheduling of
6969 speculative instructions.
6970 (sched_init): Initialize new variables.
6971 (sched_finish): Free new variables. Print statistics.
6972 (try_ready): Added code to handle speculative instructions.
6973 * lists.c (copy_DEPS_LIST_list): New function.
6974 * sched-deps.c (extend_dependency_caches): New function. Move logic
6975 from create_dependency_caches to here.
6976 (get_dep_weak, ds_merge): Make global.
6977 * genattr.c (main): Code to output prototype for
6978 dfa_clear_single_insn_cache.
6979 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6980 (output_dfa_clean_insn_cache_func): Code to output
6981 dfa_clear_single_insn_cache function.
6982 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6983 n_insns.
6984 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6985 Removed.
6986 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6987 New static variables.
6988 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6989 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6990 struct sched_info.
6991 (ebb_sched_info): Initialize new fields.
6992 (get_block_head_tail): Adjust all uses.
6993 (compute_jump_reg_dependencies): Fixed to use glat_start.
6994 (schedule_ebb): Code to remove unreachable last block.
6995 (schedule_ebbs): Added code to update register live information.
6996 * sched-rgn.c (region_sched_info): Initialize new fields.
6997 (get_block_head_tail): Adjust all uses.
6998 (last_was_jump): Removed. Adjust users.
6999 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7000 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7001 Implement new hooks.
7002 (check_dead_notes1): New static function.
7003 (struct region): New fields: dont_calc_deps, has_real_ebb.
7004 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7005 (BB_TO_BLOCK): Fixed to handle EBBs.
7006 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7007 (ebb_head): New static variable.
7008 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7009 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7010 new fields.
7011 (compute_dom_prob_ps): New assertion.
7012 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7013 global_live_at_start.
7014 (init_ready_list): New assertions.
7015 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7016 (new_ready): Add support for BEGIN_CONTROL speculation.
7017 (schedule_insns): Fixed code that updates register live information
7018 to handle EBBs.
7019 (schedule_region): Fixed to handle EBBs.
7020 (init_regions): Use extend_regions and check_dead_notes1.
7021 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7022 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7023 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7024 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7025 TARGET_SCHED_GEN_CHECK,
7026 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7027 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7028 * doc/invoke.texi (max-sched-insn-conflict-delay,
7029 sched-spec-prob-cutoff): Document.
7031 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7033 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7034 inter_tick, queue_index.
7035 (struct sched_info): Change signature of init_ready_list field.
7036 Adjust all initializations.
7037 (RESOLVED_DEPS): New access macro.
7038 (ready_add): Remove prototype.
7039 (try_ready): Add prototype.
7040 * sched-rgn.c (init_ready_list): Use try_ready.
7041 (schedule_region): Initialize
7042 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7043 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7044 (init_ready_list): Use try_ready.
7045 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7046 * lists.c (remove_list_elem): Remove `static'.
7047 (remove_free_INSN_LIST_elem): New function.
7048 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7049 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7050 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7051 New constants.
7052 (readyp): New variable.
7053 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7054 change_queue_index, resolve_dep): New static functions.
7055 (try_ready): New function. Adjust callers in sched-rgn.c and
7056 sched-ebb.c to use it instead of ready_add.
7057 (clock_var): Move at the begining of file.
7058 (rank_for_schedule): Fix typo.
7059 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7060 (ready_lastpos): Enforce assertion.
7061 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7062 update all callers.
7063 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7064 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7065 (queue_to_ready): Use free_INSN_LIST_list.
7066 (early_queue_to_ready): Fix typo.
7067 (schedule_block): Init readyp. Move init_ready_list call after the
7068 initialization of clock_var. Fix error in rejecting insn by
7069 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7070 that previously corrected INSN_TICKs. Add code for handling
7071 QUEUE_INDEX.
7072 (set_priorities): Fix typo.
7073 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7074 Clarify comment and code that keeps current_sched_info->next_tail
7075 non-null.
7077 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7079 * sched-rgn.c (extend_rgns): New static function.
7080 (find_rgns): Use it.
7081 (gather_region_statistics, print_region_statistics): New static
7082 functions.
7083 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7084 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7086 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7087 Andrey Belevantsev <abel@ispras.ru>
7089 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7090 * lists.c (unused_deps_list): New variable.
7091 (free_list): Add assertions to verify the proper distinguishing
7092 between INSN_LISTs and DEPS_LISTs.
7093 (find_list_elem, remove_list_elem, remove_list_node): New static
7094 functions.
7095 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7096 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7097 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7098 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7099 an INSN_LIST.
7100 (free_INSN_LIST_node): Likewise.
7101 * modulo-sched.c (current_sched_info): Initialize flags field.
7102 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7103 * rtl.def (DEPS_LIST): Define.
7104 * rtl.h: Declare new functions from lists.c.
7105 * sched-deps.c (spec_dependency_cache): New static variable.
7106 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7107 (add_dependence): Change return type to void. Move the logic to ...
7108 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7109 (delete_all_dependences): Add comment about forward_dependency_cache.
7110 Handle spec_dependency_cache. Handle DEPS_LISTs.
7111 (fixup_sched_groups): Clarify the change of priority of output
7112 and anti dependencies.
7113 (sched_analyze_2): Adjust add_dependence calls to create data
7114 speculative dependence.
7115 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7116 Adjust all callers. Handle DEPS_LISTS.
7117 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7118 presence of speculation.
7119 (init_dependency_caches, free_dependency_caches):
7120 Handle spec_dependency_cache.
7121 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7122 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7123 New static functions.
7124 (add_or_update_back_dep, add_or_update_back_forw_dep,
7125 add_back_forw_dep, delete_back_forw_dep): New functions.
7126 * sched-int.h (ds_t, dw_t): New typedefs.
7127 (struct sched_info): Add new field flags.
7128 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7129 Prototype new sched-deps.c functions.
7130 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7131 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7132 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7133 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7134 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7135 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7136 New constants.
7137 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7138 New enums.
7139 * sched-rgn.c (current_sched_info): Initialize flags field.
7140 (schedule_insns): Initialize current_sched_info before the sched_init
7141 call.
7142 * sched-ebb.c (current_sched_info): Initialize flags field.
7143 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7144 Call add_or_update_back_dep instead of add_dependence.
7145 Create control speculative dependencies.
7146 (schedule_insns): Initialize current_sched_info before the sched_init
7147 call.
7149 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7151 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7152 fs->signal_frame.
7153 (sh_fallback_frame_state): Likewise.
7155 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7157 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7158 Do switch on default_use_cxa_atexit.
7159 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7160 * config/darwin-crt3.o: New.
7161 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7162 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7163 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7164 OS version.
7165 * config/rs6000/t-darwin: Move crt2.o building to here.
7166 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7167 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7168 of __cxa_atexit.
7170 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7172 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7173 from '! xxx' to '!xxx' for coding-style conformance.
7174 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7175 (EXTRA_CONSTRAINT): Likewise.
7176 * config/vax/vax.md (four unnamed insns): Likewise.
7178 2006-03-15 Paul Brook <paul@codesourcery.com>
7180 * config/arm/arm.c (minipool_pad): New.
7181 (add_minipool_forward_ref): Include pool alignment padding in address
7182 calculation.
7183 (push_minipool_fix): Set minipool_pad.
7184 (minipool_pad): Ditto.
7186 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7188 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7189 instead of GET_CODE() == MEM and REG_P() instead of
7190 GET_CODE() == REG.
7191 (print_operand_address): Likewise.
7192 (vax_address_cost): Likewise.
7193 (vax_rtx_costs): Likewise.
7194 (vax_notice_update_cc): Likewise.
7195 (vax_output_int_add): Likewise.
7196 (INDEX_REGISTER_P): Likewise.
7197 (BASE_REGISTER_P): Likewise.
7198 (nonindexed_address_p): Likewise.
7199 (vax_mode_dependent_address_p): Likewise.
7200 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7201 (PRINT_OPERAND): Likewise.
7202 * config/vax/vax.md (ashlsi3): Likewise.
7203 (ashlsi3): Likewise.
7204 (some more unnamed insns): Likewise.
7206 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7208 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7209 iterator-style macro.
7210 (mark_control_dependent_edges_necessary): Update the use of
7211 EXECUTE_IF_CONTROL_DEPENDENT.
7213 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7215 * config/sh/predicates.md (cache_address_operand): Special.
7216 (ua_address_operand): Likewise.
7218 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7220 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7221 loop notes.
7222 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7224 2006-03-15 Andreas Schwab <schwab@suse.de>
7226 * gensupport.c (identify_predicable_attribute): Don't free p_false
7227 when it is still in use.
7229 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7231 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7232 the default setting here.
7234 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7236 * tree-pass.h (pass_cfg): Remove.
7237 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7238 * passes.c (pass_cfg): Don't run it.
7240 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7242 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7243 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7244 VEC(char,heap) *.
7245 (stack_regs_mentioned): Update the uses of
7246 stack_regs_mentioned_data. Don't access the array beyond its
7247 end.
7248 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7249 Don't include gt-reg-stack.h.
7251 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7252 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7254 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7256 PR middle-end/26684
7257 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7258 STACK_REGS.
7260 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7262 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7264 2006-03-14 Richard Guenther <rguenther@suse.de>
7266 PR tree-optimization/26672
7267 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7268 SSA form.
7270 2006-03-14 Richard Guenther <rguenther@suse.de>
7272 PR tree-optimization/26667
7273 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7274 node for the callees. Always allow inlining if it will shrink
7275 the function size.
7277 2006-03-14 Richard Guenther <rguenther@suse.de>
7279 PR middle-end/26659
7280 * builtins.c (get_pointer_alignment): Prefer alignment
7281 information from decls over that from types.
7283 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7285 PR target/26657
7286 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7288 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7290 * config/rs6000/rs6000.opt (mdlmzb): New option.
7291 (msched-prolog, msched-epilog): Use Var not Mask.
7292 * doc/invoke.texi (-mdlmzb): Document.
7293 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7294 MASK_SCHED_PROLOG.
7295 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7296 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7298 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7300 PR rtl-optimization/25739
7301 * bt-load.c (augment_live_range): Free tos pointer.
7303 * gensupport.c (identify_predicable_attribute): Free
7304 p_false pointer.
7305 * gcov.c (create_file_names): Free name pointer.
7307 2006-03-13 Roger Sayle <roger@eyesopen.com>
7309 PR middle-end/26557
7310 * stmt.c (emit_case_nodes): Handle the case where the index is a
7311 CONST_INT, where the comparison mode is specified by the index type.
7313 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7315 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7316 is defined.
7318 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7320 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7321 (*branch_fp_inverted): Likewise.
7323 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7325 PR middle-end/25989
7326 * omp-low.c (expand_omp_for_generic): Mark istart0
7327 and iend0 as addressable.
7329 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7331 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7333 2006-03-13 Jeff Law <law@redhat.com>
7335 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7336 virtual operands are interesting.
7337 (vrp_visit_stmt): Corresponding changes.
7339 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7341 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7342 of RETS.
7343 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7344 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7345 * config/bfin/crti.S: Use it instead of __PIC__.
7346 * config/bfin/crtn.S: Likewise.
7348 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7349 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7350 not if flag_pic.
7351 Lose 'G' modifier for call operand.
7352 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7353 recognize 'G' modifier.
7355 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7357 PR middle-end/18859
7358 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7359 * stmt.c (expand_case): Likewise.
7361 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7363 PR rtl-optimization/26254
7364 * loop-invariant.c (seq_insns_valid_p): New function.
7365 (move_invariant_reg): Only emit new code if it is valid.
7367 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7369 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7370 Removed.
7371 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7372 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7373 (commit_one_edge_insertion): Do not look for loop notes.
7375 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7377 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7378 flag_test_coverage out of loop.
7380 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7382 * final.c (shorten_branches): Remove outdated comment, and turn
7383 the if branch that guards it to continue.
7385 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7387 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7388 * cfgloop.h (struct loop): Remove unused fields.
7390 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7392 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7393 (-dL, -fdump-rtl-loop2): Update the dump file names
7395 * doc/invoke.texi: Update dump file names.
7397 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7399 * predict.c (estimate_probability): Remove.
7400 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7401 * basic-block.h (estimate_probability): Remove prototype.
7402 * passes.c (finish_optimization_passes): Dump branch prediction or
7403 profiling heuristics to the .profile tree dump.
7404 (init_optimization_passes): Unqueue pass_branch_prob.
7406 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7408 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7410 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7411 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7413 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7415 * function.h (frame_offset_overflow): Declare.
7416 * function.c (frame_offset_overflow): New function.
7417 (assign_stack_local_1): Call it to detect that the offset overflows.
7418 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7420 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7422 * config/sh/sh.c: Include alloc-pool.h.
7423 (label_ref_list_pool): New alloc pool.
7424 (label_ref_list_t): New type for lists of labels.
7425 (struct pool_node): Make wend a label_ref_list_t.
7426 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7427 references.
7428 (dump_table): Likewise.
7429 (sh_reorg): Set up the alloc pool before using add_constant and
7430 dump_table, and destroy it when finishing.
7432 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7434 * config/mips/mips.c: Remove redundant comment.
7436 2006-03-10 Jason Merrill <jason@redhat.com>
7438 PR c/26004
7439 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7440 the target was declared 'register'.
7442 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7444 * genpreds.c (write_insn_constraint_len): Change definition of
7445 insn_constraint_len to return size_t to match the declaration.
7447 2006-03-10 DJ Delorie <dj@redhat.com>
7449 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7450 start at zero.
7451 (m32c_expand_insv): Fix test for an AND mask.
7453 2006-03-10 Richard Guenther <rguenther@suse.de>
7455 PR middle-end/26565
7456 * builtins.c (get_pointer_alignment): Handle component
7457 references for field alignment.
7459 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7461 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7462 when building with libgloss.
7463 (sh*elf): Implement --without-fp option.
7464 (sh64-superh-linux*): Don't multilib.
7466 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7468 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7470 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7472 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7473 Set it when one of the replacement functions returned true.
7474 Return TODO_cleanup_cfg if cfgchanged is true.
7475 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7477 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7479 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7480 instead of gen_lowpart.
7482 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7484 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7485 interface.
7486 (mips_output_order_conditional_branch): Declare.
7487 * config/mips/mips.h (MIPS_BRANCH): New macro.
7488 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7489 for the comparison. Use gen_condjump.
7490 (mips_output_conditional_branch): Rework interface to take the
7491 asm templates for a direct branch and the inverse of a direct branch.
7492 (mips_output_order_conditional_branch): New function.
7493 (mips_builtin_branch_and_move): New function.
7494 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7495 branch condition. Use gen_single_cc as the condition for
7496 __builtin_mips_upper_* or __builtin_mips_lower_*.
7497 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7498 Use VOIDmode for the branch condition.
7499 * config/mips/predicates.md (order_operator): New predicate.
7500 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7501 (branch_fp): Rename to...
7502 (*branch_fp): ...this. Remove mode from comparison operator.
7503 Use new mips_output_conditional_branch interface.
7504 (branch_fp_inverted): Rename to...
7505 (*branch_fp_inverted): ...this and update as for *branch_fp.
7506 (*branch_zero<mode>): Rename to...
7507 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7508 Use mips_output_order_conditional_branch. Only accept ordered
7509 comparisons.
7510 (*branch_zero<mode>_inverted): Rename to...
7511 (*branch_order<mode>_inverted): ...this and update as for
7512 *branch_order<mode>.
7513 (*branch_equality<mode>): Accept zero as the second operand to
7514 the equality operator. Use the new mips_output_conditional_branch
7515 interface.
7516 (*branch_equality<mode>_inverted): Likewise.
7517 (condjump): New expander.
7518 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7519 operator.
7520 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7521 (bc1any2t, bc1any2f): Likewise.
7522 (single_cc): New expander.
7523 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7525 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7527 * doc/md.texi: Update documentation of MIPS constraints.
7528 * config/mips/constraints.md: New file.
7529 * config/mips/mips.md: Include it.
7530 * config/mips/mips.c (mips_char_to_class): Delete.
7531 (override_options): Don't initialize mips_char_to_class.
7532 * config/mips/mips.h (mips_char_to_class): Delete.
7533 (REG_CLASS_FROM_LETTER): Delete.
7534 (CONST_OK_FOR_LETTER_P): Delete.
7535 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7536 (EXTRA_CONSTRAINT_Y): Delete.
7537 (EXTRA_CONSTRAINT_STR): Delete.
7538 (CONSTRAINT_LEN): Delete.
7539 (EXTRA_MEMORY_CONSTRAINT): Delete.
7541 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7543 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7544 original fn's eh regions.
7546 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7548 * fold-const.c (build_range_check): Make sure to use a valid type to
7549 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7550 transformation.
7552 (range_predecessor): New static function.
7553 (range_successor): Likewise.
7554 (merge_ranges): Use them to compute predecessors and successors of
7555 range bounds.
7557 2006-03-09 Roger Sayle <roger@eyesopen.com>
7559 PR middle-end/26561
7560 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7561 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7563 2006-03-08 DJ Delorie <dj@redhat.com>
7565 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7566 (addpsi3): Expand to include memory operands. Remove
7567 reload-specific splits.
7568 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7569 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7570 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7571 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7572 (shift1_qi, shift1_hi, insv): New.
7573 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7574 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7575 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7576 cond_to_int): New.
7577 * config/m32c/m32c-protos.h: Update as needed.
7578 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7579 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7580 Fail for unrecognized R* constraints.
7581 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7582 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7583 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7584 Add Sp constraint.
7585 (m32c_init_libfuncs): New.
7586 (m32c_legitimate_address_p): Add debug wrapper.
7587 (m32c_rtx_costs): New.
7588 (m32c_address_cost): New.
7589 (conversions): Add 'B' prefix.
7590 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7591 operands, or word regnames for QI operands. 'B' prints bit
7592 position.
7593 (m32c_expand_setmemhi): New.
7594 (m32c_expand_movmemhi): New.
7595 (m32c_expand_movstr): New.
7596 (m32c_expand_cmpstr): New.
7597 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7598 (m32c_expand_neg_mulpsi3): Handle non-ints.
7599 (m32c_cmp_flg_0): New.
7600 (m32c_expand_movcc): New.
7601 (m32c_expand_insv): New.
7602 (m32c_scc_pattern): New.
7603 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7604 a0/a1 out of SIregs.
7605 (STORE_FLAG_VALUE): New.
7606 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7607 code macros.
7608 (no_insn): New.
7609 * config/m32c/mov.md: Make constraints more liberal.
7610 (zero_extendqihi2): Optimize r0/r1 case.
7611 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7612 * config/m32c/predicates.md (m32c_any_operand): New.
7613 (m32c_nonimmediate_operand): New.
7614 (m32c_hl_operand): New.
7615 (m32c_r3_operand): New.
7616 (ap_operand): New.
7617 (ma_operand): New.
7618 (memsym_operand): New.
7619 (memimmed_operand): New.
7620 (a_qi_operand): New.
7621 (m32c_eqne_operator): New.
7622 (m32c_1bit8_operand): New.
7623 (m32c_1bit16_operand): New.
7624 (m32c_1mask8_operand): New.
7625 (m32c_1mask16_operand): New.
7626 * config/m32c/blkmov.md: New file.
7627 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7629 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7631 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7632 unsigned to fix signed/unsigned comparison issue in
7633 DWARF2_FRAME_REG_OUT.
7634 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7635 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7637 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7638 of ptr into the ENABLE_CHECKING section.
7640 2006-03-08 Jeff Law <law@redhat.com>
7642 * tree-vrp.c (infer_value_range): Only count pointer uses
7643 and dereferences if -fdelete-null-pointer-checks is enabled.
7645 * tree-vrp.c (find_assert_locations): Infer value ranges for
7646 single use pointers, but do not create ASSERT_EXPRs for them.
7647 When a non-null range is inferred for a pointer, backwards
7648 propagate that range to other equivalent pointers through the
7649 use-def chain.
7651 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7653 PR bootstrap/26500
7654 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7655 language hook targets.
7656 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7657 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7658 if language hook targets were missing.
7660 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7662 * tree-ssa-opfinalize.h: Removed.
7663 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7664 dependency.
7665 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7666 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7667 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7668 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7669 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7670 finalize_ssa_v_must_def_ops): New.
7672 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7674 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7675 block as parameter.
7677 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7679 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7681 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7682 addresses with offsets; reorganize.
7684 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7685 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7686 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7688 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7690 PR target/26588
7691 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7693 2006-03-08 Ben Elliston <bje@au.ibm.com>
7695 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7697 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7699 PR gomp/26238
7700 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7701 expansion.
7703 2006-03-07 Richard Guenther <rguenther@suse.de>
7705 PR tree-optimization/26587
7706 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7708 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7710 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7712 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7714 * hooks.c (hook_bool_mode_rtx_true): New function.
7715 * hooks.h (hook_bool_mode_rtx_true): Declare.
7716 * toplev.c (compile_file): Call output_shared_constant_pool.
7717 * varasm.c (shared_constant_pool): New variable.
7718 (assemble_start_function, assemble_end_function): Remove arguments
7719 from call to output_constant_pool.
7720 (create_constant_pool): New function, split out from...
7721 (init_varasm_status): ...here.
7722 (force_const_mem): Choose between the shared and per-function constant
7723 pools. Set current_function_uses_const_pool when reusing old entries
7724 as well as when creating new ones.
7725 (mark_constant): Ignore data argument.
7726 (mark_constants): Remove pool argument.
7727 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7728 to decide whether the function uses a constant pool.
7729 (output_constant_pool_contents): New function, split out from...
7730 (output_constant_pool): ...here.
7731 (output_shared_constant_pool): New function.
7732 (init_varasm_once): Initialize shared_constant_pool.
7733 * output.h (output_constant_pool): Delete.
7734 (output_shared_constant_pool): Declare.
7735 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7736 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7738 2006-03-06 Nick Clifton <nickc@redhat.com>
7740 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7741 flag_strength_reduce.
7743 2006-03-06 Ben Elliston <bje@au.ibm.com>
7745 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7746 x86_64-*-linux* configurations.
7748 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7749 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7751 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7753 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7754 Remove.
7755 * basic-block.h: Remove the extern for
7756 rediscover_loops_after_threading.
7758 * cfgloop.c (cancel_loop): Make it static.
7759 * cfgloop.h: Remove the prototype for cancel_loop.
7761 * flow.c (recompute_reg_usage): Make it static.
7762 * rtl.h: Remove the prototype for recompute_reg_usage.
7764 * function.c (use_return_register): Make it static.
7765 * function.h: Remove the prototype.
7767 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7769 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7770 Remove.
7771 * recog.h: Remove the prototype for
7772 validate_change_maybe_volatile.
7774 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7776 * rtlanal.c (replace_reg): Remove.
7777 * rtl.h: Remove the prototype for replace_reg.
7779 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7781 * regclass.c (reg_scan_update): Remove.
7782 (reg_scan_mark_refs): Remove the last argument.
7783 * rtl.h: Remove the prototype for reg_scan_update.
7785 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7787 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7788 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7789 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7790 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7791 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7792 loop-invariant.c, omp-low.c, opts.c, passes.c,
7793 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7794 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7795 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7796 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7797 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7798 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7800 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7802 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7803 * dwarf2out.h: Remove the prototype for
7804 dwarf2out_add_library_unit_info.
7806 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7808 * tree.c (add_var_to_bind_expr): Remove.
7809 * tree.h: Remove the prototype for add_var_to_bind_expr.
7811 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7813 * regclass.c (n_non_fixed_regs): Remove.
7814 (init_reg_sets_1, globalize_reg): Remove all uses of
7815 n_non_fixed_regs.
7816 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7818 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7820 * rtlanal.c (insns_safe_to_move_p): Remove.
7821 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7823 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7825 * expmed.c (expand_mult_add): Remove.
7826 * expr.h: Remove the prototype for expand_mult_add.
7828 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7830 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7831 and REG_SAVED_VAL_EXP constants.
7832 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7833 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7834 Handle regs stored by value.
7835 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7836 (execute_cfa_program): Handle DW_CFA_val_offset,
7837 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7838 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7839 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7840 (uw_install_context_1): Handle target regs stored by value.
7842 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7844 * tree-sra.c (tree_sra): Return todoflags;
7845 (generate_one_element): Set TODO_update_smt_usage if needed.
7846 (pass_sra): Remove TODO_update_smt_usage.
7847 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7848 parameter.
7849 (tree_ssa_forward_propagate_single_use_vars): Return
7850 TODO_update_smt_usage if we need to update SMT usage.
7851 (pass_forwprop): Remove TODO_update_smt_usage.
7853 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7855 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7856 (correct_use_link): Remove reference to get_stmt_operands.
7857 (update_stmt_operands): Likewise.
7858 (get_modify_expr_operands): New function factored out of
7859 parse_ssa_operands and get_expr_operands.
7860 Try to create V_MUST_DEFs for LHS by default.
7861 (get_expr_operands) <case MODIFY_EXPR>: Call
7862 get_modify_expr_operands.
7863 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7864 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7865 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7866 get_modify_expr_operands.
7868 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7870 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7871 * tree-flow.h: Remove the prototype for
7872 referenced_var_lookup_if_exists.
7874 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7876 PR rtl-optimization/26345
7877 PR target/19061
7878 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7880 2006-03-03 Roger Sayle <roger@eyesopen.com>
7882 PR tree-optimization/26524
7883 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7884 fold_convert to create a constant of the appropriate type.
7886 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7888 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7889 SYMBOL_REF_IN_BLOCK_P.
7890 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7891 of SYMBOL_FLAG_IN_BLOCK.
7892 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7893 instead of SYMBOL_REF_IN_BLOCK_P.
7894 * explow.c (use_anchored_address): Likewise.
7895 * rtl.c (rtx_size): Likewise.
7896 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7897 instead of SYMBOL_FLAG_IN_BLOCK.
7898 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7899 SYMBOL_REF_IN_BLOCK_P.
7900 (assemble_variable): Likewise.
7901 (output_constant_def_contents): Likewise.
7902 (output_constant_pool): Likewise.
7903 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7904 instead of SYMBOL_FLAG_IN_BLOCK.
7905 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7906 SYMBOL_REF_IN_BLOCK_P.
7907 (SYMBOL_REF_BLOCK): Likewise.
7908 (SYMBOL_REF_OFFSET): Likewise.
7909 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7910 SYMBOL_REF_IN_BLOCK_P.
7911 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7912 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7913 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7914 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7916 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7918 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7920 2006-03-02 Roger Sayle <roger@eyesopen.com>
7922 * simplify-rtx.c (simplify_unary_operation): When simplifying
7923 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7924 that we perform the right shift in the appropriate mode, and
7925 then extend or truncate the result to requested mode.
7927 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7929 * gengtype.c (main): Handle double_int type.
7930 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7931 * double-int.c: New file.
7932 * double-int.h: New file.
7933 * system.h: Include doubleint.h.
7934 * Makefile.in (SYSTEM_H): Include double-int.h.
7935 (double-int.o): Add.
7937 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7939 PR bootstrap/26478
7940 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7941 copying over it.
7943 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7945 * tree-vrp.c (remove_range_assertions): Do not update statements
7946 unnecessarily.
7948 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7950 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7951 cleanup.
7952 * gcse.c (rest_of_handle_gcse): Ditto.
7953 * except.c (gate_handle_eh): Ditto.
7954 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7955 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7957 2006-03-02 Eric Christopher <echristo@apple.com>
7959 * config/i386/i386.c (machopic_output_stub): Add indirection to
7960 jump.
7962 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7964 * loop.c: Removed.
7966 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7968 Sun Niagara specific optimizations.
7969 * config.gcc: Recognize niagara as target.
7970 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7971 (TARGET_CPU_niagara): Define.
7972 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7973 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7974 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7975 (ASM_CPU_SPEC): Likewise.
7976 (PROCESSOR_NIAGARA): New enum entry.
7977 (REGISTER_MOVE_COST): Handle Niagara.
7978 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7979 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7980 (sparc_override_options): Recognize "niagara", set appropriate
7981 default MASK_* values for it, and align functions to 32-bytes
7982 by default just like ULTRASPARC/ULTRASPARC3.
7983 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7984 (sparc64_initialize_trampoline): Likewise.
7985 (sparc_use_sched_lookahead): Use zero for niagara.
7986 (sparc_issue_rate): Use one for niagara.
7987 * config/sparc/niagara.md: New file.
7988 * config/sparc/sparc.md: Include it.
7989 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7990 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7991 when default cpu is niagara.
7992 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7993 (ASM_CPU_SPEC): Likewise.
7994 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7995 when default cpu is niagara.
7996 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7997 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7998 just like v9/ultrasparc/ultrasparc3.
7999 * doc/invoke.texi: Add documentation for "niagara" and improve
8000 existing documentation for ultrasparc variants.
8002 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8004 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8006 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8008 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8009 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8010 and say that only one is needed.
8011 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8012 * target.h (have_switchable_bss_sections): New hook.
8013 * explow.c (use_anchored_address): Check that the symbol is in a block.
8014 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8015 (bss_noswitch_section): New variables.
8016 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8017 (get_noswitch_section): New function.
8018 (get_block_for_section): Allow SECT to be null.
8019 (unlikely_text_section_p): Use SECTION_STYLE.
8020 (bss_initializer_p): New function.
8021 (get_variable_section): Move earlier in file. Take a new argument,
8022 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8023 Return one of the new *_sections in such cases.
8024 (get_block_for_decl): New function, extracting some logic from
8025 use_blocks_for_decl_p.
8026 (change_symbol_section): Remove in favor of...
8027 (change_symbol_block): ...this new function.
8028 (use_blocks_for_decl_p): Remove checks now performed by
8029 get_block_for_decl.
8030 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8031 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8032 (emit_local, emit_bss, emit_common): ...these new functions.
8033 Return true if the alignment was honored.
8034 (emit_tls_common): New function.
8035 (asm_emit_uninitialised): Delete.
8036 (assemble_variable_noswitch): New function, split out from...
8037 (assemble_variable): ...here. Don't make decisions about common
8038 variables here. Globalize all public decls that go into non-common
8039 sections. Check whether SYMBOL_REF_BLOCK is null.
8040 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8041 (output_constant_pool): Likewise.
8042 (init_varasm_once): Initialize the new section variables.
8043 (have_global_bss_p): New function.
8044 (categorize_decl_for_section): Use bss_initializer_p.
8045 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8046 (place_block_symbol): Assert that the symbol must be in a block.
8047 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8048 (TARGET_INITIALIZER): Include it.
8049 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8050 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8051 (SECTION_MACH_DEP): Bump by two.
8052 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8053 (unnamed_section): Mention SECTION_UNNAMED in comment.
8054 (named_section): Likewise SECTION_NAMED.
8055 (noswitch_section_callback): New type.
8056 (noswitch_section): New structure.
8057 (section): Add a noswitch_section alternative.
8058 (SECTION_STYLE): New macro.
8059 (tls_comm_section, comm_section, lcomm_section): Declare.
8060 (bss_noswitch_section, have_global_bss_p): Declare.
8061 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8062 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8063 Override.
8064 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8065 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8066 Override.
8068 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8070 * tree-vrp.c (execute_vrp): Return value.
8071 * regrename.c (rest_of_handle_regrename): Ditto.
8072 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8073 * tree-complex.c (tree_lower_complex): Ditto.
8074 (tree_lower_complex_O0): Ditto.
8075 * tracer.c (rest_of_handle_tracer): Ditto.
8076 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8077 * postreload.c (rest_of_handle_postreload): Ditto.
8078 * tree-tailcall.c (execute_tail_recursion): Ditto.
8079 (execute_tail_calls): Ditto.
8080 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8081 * tree.h (init_function_for_compilation): Ditto.
8082 * ipa-cp.c (ipcp_driver): Ditto.
8083 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8084 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8085 * final.c (compute_alignments): Ditto.
8086 (rest_of_handle_final): Ditto.
8087 (rest_of_handle_shorten_branches): Ditto.
8088 (rest_of_clean_state): Ditto.
8089 * omp-low.c (execute_expand_omp): Ditto.
8090 (execute_lower_omp): Ditto.
8091 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8092 * ipa-reference.c (static_execute): Ditto.
8093 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8094 * reorg.c (rest_of_handle_delay_slots): Ditto.
8095 (rest_of_handle_machine_reorg): Ditto.
8096 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8097 * flow.c (recompute_reg_usage): Ditto.
8098 (rest_of_handle_remove_death_notes): Ditto.
8099 (rest_of_handle_life): Ditto.
8100 (rest_of_handle_flow2): Ditto.
8101 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8102 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8103 (do_ssa_store_ccp): Ditto.
8104 (execute_fold_all_builtins): Ditto.
8105 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8106 * modulo-sched.c (rest_of_handle_sms): Ditto.
8107 * ipa-pure-const.c (static_execute): Ditto.
8108 * cse.c (rest_of_handle_cse): Ditto.
8109 (rest_of_handle_cse2): Ditto.
8110 * web.c (rest_of_handle_web): Ditto.
8111 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8112 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8113 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8114 * tree-nrv.c (tree_nrv): Ditto.
8115 (execute_return_slot_opt): Ditto.
8116 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8117 (create_structure_vars): Ditto.
8118 * loop-init.c (rtl_loop_init): Ditto.
8119 (rtl_loop_done): Ditto.
8120 (rtl_move_loop_invariants): Ditto.
8121 (rtl_unswitch): Ditto.
8122 (rtl_unroll_and_peel_loops): Ditto.
8123 (rtl_doloop): Ditto.
8124 * gimple-low.c (lower_function_body): Ditto.
8125 (mark_used_blocks): Ditto.
8126 * tree-ssa-sink.c (execute_sink_code): Ditto.
8127 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8128 (cgraph_early_inlining): Ditto.
8129 * global.c (rest_of_handle_global_alloc): Ditto.
8130 * jump.c (cleanup_barriers): Ditto.
8131 (purge_line_number_notes): Ditto.
8132 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8133 (rest_of_handle_if_after_reload): Ditto.
8134 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8135 (tree_ssa_loop_im): Ditto.
8136 (tree_ssa_loop_unswitch): Ditto.
8137 (tree_vectorize): Ditto.
8138 (tree_linear_transform): Ditto.
8139 (tree_ssa_loop_ivcanon): Ditto.
8140 (tree_ssa_empty_loop): Ditto.
8141 (tree_ssa_loop_bounds): Ditto.
8142 (tree_complete_unroll): Ditto.
8143 (tree_ssa_loop_prefetch): Ditto.
8144 (tree_ssa_loop_ivopts): Ditto.
8145 (tree_ssa_loop_done): Ditto.
8146 * predict.c (tree_estimate_probability): Ditto.
8147 * recog.c (split_all_insns_noflow): Ditto.
8148 (rest_of_handle_peephole2): Ditto.
8149 (rest_of_handle_split_all_insns): Ditto.
8150 * tree-eh.c (lower_eh_constructs): Ditto.
8151 * regmove.c (rest_of_handle_regmove): Ditto.
8152 (rest_of_handle_stack_adjustments): Ditto.
8153 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8154 * function.c (instantiate_virtual_regs): Ditto.
8155 (init_function_for_compilation): Ditto.
8156 (rest_of_handle_check_leaf_regs): Ditto.
8157 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8158 (rest_of_handle_gcse): Ditto.
8159 * ipa-type-escape.c (type_escape_execute): Ditto.
8160 * alias.c (rest_of_handle_cfg): Ditto.
8161 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8162 * profile.c (rest_of_handle_branch_prob): Ditto.
8163 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8164 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8165 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8166 * tree-dfa.c (find_referenced_vars): Ditto.
8167 * except.c (set_nothrow_function_flags): Ditto.
8168 (convert_to_eh_region_ranges): Ditto.
8169 (rest_of_handle_eh): Ditto.
8170 * emit-rtl.c (unshare_all_rtl): Ditto.
8171 (remove_unnecessary_notes): Ditto.
8172 * except.h (set_nothrow_function_flags): Ditto.
8173 (convert_to_eh_region_ranges): Ditto.
8174 * cfgexpand.c (tree_expand_cfg): Ditto.
8175 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8176 * tree-ssa-pre.c (do_pre): Ditto.
8177 (execute_fre): Ditto.
8178 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8179 (rest_of_handle_jump2): Ditto.
8180 * tree-sra.c (tree_sra): Ditto.
8181 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8182 (execute_mudflap_function_decls): Ditto.
8183 * tree-ssa-copy.c (do_copy_prop): Ditto.
8184 (do_store_copy_prop): Ditto.
8185 * ipa-prop.h (ipcp_driver): Ditto.
8186 * cfglayout.c (insn_locators_initialize): Ditto.
8187 * tree-ssa-forwprop.c
8188 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8189 * cfglayout.h (insn_locators_initialize): Ditto.
8190 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8191 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8192 (execute_late_warn_uninitialized): Ditto.
8193 * rtl.h (cleanup_barriers): Ditto.
8194 (split_all_insns_noflow): Ditto.
8195 (purge_line_number_notes): Ditto.
8196 (unshare_all_rtl): Ditto.
8197 (remove_unnecessary_notes): Ditto.
8198 (recompute_reg_usage): Ditto.
8199 (variable_tracking_main): Ditto.
8200 * integrate.c (emit_initial_value_sets): Ditto.
8201 * integrate.h (emit_initial_value_sets): Ditto.
8202 * tree-optimize.c (execute_free_datastructures): Ditto
8203 (execute_free_cfg_annotations): Ditto.
8204 (execute_fixup_cfg): Ditto.
8205 (execute_cleanup_cfg_pre_ipa): Ditto.
8206 (execute_cleanup_cfg_post_optimizing): Ditto.
8207 (execute_init_datastructures): Ditto.
8208 * tree-object-size.c (compute_object_sizes): Ditto.
8209 * combine.c (rest_of_handle_combine): Ditto.
8210 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8211 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8212 (rest_of_handle_reorder_blocks): Ditto.
8213 (rest_of_handle_partition_blocks): Ditto.
8214 * var-tracking.c (variable_tracking_main): Ditto.
8215 * tree-profile.c (tree_profiling): Ditto.
8216 * tree-vect-generic.c (expand_vector_operations): Ditto.
8217 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8218 * sched-rgn.c (rest_of_handle_sched): Ditto.
8219 (rest_of_handle_sched2): Ditto.
8220 * basic-block.h (free_bb_insn): Ditto.
8221 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8222 * tree-cfg.c (execute_build_cfg): Ditto.
8223 (remove_useless_stmts): Ditto.
8224 (split_critical_edges): Ditto.
8225 (execute_warn_function_return): Ditto.
8226 (execute_warn_function_noreturn): Ditto.
8227 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8228 * cfgrtl.c (free_bb_for_insn): Ditto.
8229 * passes.c (execute_one_pass): Run additional
8230 todos returned by execute function.
8231 * tree-pass.h (struct tree_opt_pass): Make execute
8232 return a value.
8234 2006-03-02 Richard Guenther <rguenther@suse.de>
8236 * tree-ssa-alias.c (find_used_portions): Consider taking
8237 the address as making the variable not write-only.
8239 2006-03-02 Nick Clifton <nickc@redhat.com>
8241 * config.gcc (default_use_cxa_atexit): Extend the description of
8242 this configure variable. Set its default value to "yes" for
8243 Linux, NetBSD and ELF targets on the assumption that they will
8244 use C libraries with the __cxa_atexit function.
8246 2006-03-02 Ben Elliston <bje@au.ibm.com>
8248 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8249 parameter as unused to suppress a build warning.
8251 2006-03-02 Ben Elliston <bje@au.ibm.com>
8253 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8254 config/dfp-bit.c.
8256 2006-03-01 Roger Sayle <roger@eyesopen.com>
8258 PR other/26489
8259 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8260 declared name, the weak reference name, and the typeof name.
8261 (__gthrw): Avoid expanding the declared name suffix.
8262 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8264 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8266 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8267 from DWARF 3.
8268 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8269 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8270 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8271 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8272 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8273 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8274 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8275 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8276 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8277 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8278 (DW_END_default, DW_END_big, DW_END_little): New.
8279 (DW_END_lo_user, DW_END_hi_user): Define.
8280 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8281 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8282 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8283 DW_LANG_D): New.
8285 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8287 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8288 Update all users.
8289 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8290 Update all users.
8291 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8292 Update all users.
8293 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8294 Update all users.
8295 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8296 to 'symbol_mem_tag'.
8297 Update all users.
8298 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8299 rename.
8301 2006-03-01 Roger Sayle <roger@eyesopen.com>
8303 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8305 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8307 PR target/25761
8308 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8309 MACHO_DYNAMIC_NO_PIC_P.
8310 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8312 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8314 PR target/26389
8315 * config/darwin-protos.h (darwin_asm_output_anchor):
8316 Declare.
8317 * config/darwin-sections.def (cstring_section):
8318 Add SECTION_MERGE to the flags.
8319 (literal4_section): Likewise.
8320 (literal8_section): Likewise.
8321 (objc_selector_refs_section): Likewise.
8322 (objc_cls_refs_section): Likewise.
8323 * config/darwin.c (darwin_asm_output_anchor): New
8324 function.
8325 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8327 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8329 Fix PR tree-optimization/26443
8330 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8331 to todo and PROP_tmt_usage to properties_destroyed.
8332 * tree-ssa-ccp.c (pass_ccp): Ditto.
8333 (pass_store_ccp): Ditto.
8334 * tree-ssa-dom.c (pass_dominator): Ditto.
8336 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8338 * tree-ssa-operands.c: Cleanup whitespace.
8339 (get_asm_expr_operands): Move before first invocation.
8340 (get_indirect_ref_operands): Likewise.
8341 (get_tmr_operands): Likewise.
8342 (get_call_expr_operands): Likewise.
8343 (append_def): Likewise.
8344 (append_use): Likewise.
8345 (append_v_may_def): Likewise.
8346 (append_v_must_def): Likewise.
8347 (add_call_clobber_ops): Likewise.
8348 (add_call_read_ops): Likewise.
8349 (add_stmt_operand): Likewise.
8350 (add_virtual_operand): Likewise.
8351 (build_ssa_operands): Likewise.
8353 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8355 PR middle-end/26022
8356 Revert:
8357 PR middle-end/24437
8358 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8359 with a call expr to ...
8360 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8362 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8364 * tree-vrp.c (extract_range_from_assert): Remove special
8365 handling for types with super-types.
8367 2006-03-01 Ben Elliston <bje@au.ibm.com>
8369 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8370 and powerpc64-*-linux* configurations.
8371 * config/t-dfprules: New file.
8373 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8374 Compile dfp-bit.c from the source directory using -DWIDTH and
8375 $DFP_CFLAGS to control the compilation of that file, rather than
8376 generating width-specific versions in the build directory.
8377 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8378 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8380 2006-02-28 Zack Weinberg <zackw@panix.com>
8382 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8383 continues to work.
8385 2006-02-28 Eric Christopher <echristo@apple.com>
8387 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8388 Set up IN_LIBGCC definition of TARGET_64BIT.
8389 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8391 2006-02-28 Roger Sayle <roger@eyesopen.com>
8393 PR middle-end/14752
8394 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8395 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8396 cases via the construction of "expr != 0".
8398 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8400 * alias.c (alias_invariant, alias_invariant_size): Remove.
8401 (record_base_value): Remove.
8402 (memrefs_conflict_p): Don't look at alias_invariant.
8403 (end_alias_analysis): Don't free it.
8404 * alias.h (record_base_value): Remove prototype.
8406 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8407 Adam Nemet <anemet@caviumnetworks.com>
8409 * rtl.h (truncated_to_mode): Declare it.
8410 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8411 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8412 (RTL_HOOKS_INITIALIZER): Include it.
8413 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8414 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8415 reg_truncated_to_mode.
8416 * rtlanal.c (truncated_to_mode): Define it.
8417 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8419 2006-02-28 Jeff Law <law@redhat.com>
8421 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8422 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8423 the range allowed by TYPE_PRECISION.
8425 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8427 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8429 PR tree-optimization/26419
8430 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8431 values of n.
8433 2006-02-27 Zack Weinberg <zackw@panix.com>
8435 * doc/md.texi: Fix typo in previous change.
8437 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8439 * df.c: Remove.
8441 2006-02-27 Zack Weinberg <zackw@panix.com>
8443 * rtl.def (define_constraint, define_register_constraint)
8444 (define_memory_constraint, define_address_constraint): New MD forms.
8445 * gensupport.c (process_rtx): Put define_constraint etc on the
8446 predicate queue.
8447 * genpreds.c (process_define_predicate): Adjust comment. Validate
8448 the name, and call validate_exp to validate the expression.
8449 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8450 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8451 all callers changed.
8452 (validate_exp, needs_variable, struct constraint_data)
8453 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8454 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8455 (const_dbl_constraints, constraint_max_namelen)
8456 (have_register_constraints, have_memory_constraints)
8457 (have_address_constraints, have_address_constraints)
8458 (have_extra_constraints, have_const_int_constraints)
8459 (have_const_dbl_constraints, mangle, add_constraint)
8460 (process_define_constraint, process_define_register_constraint)
8461 (write_enum_constraint_num, write_lookup_constraint)
8462 (write_insn_constraint_len, write_regclass_for_constraint)
8463 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8464 (write_insn_extra_memory_constraint)
8465 (write_insn_extra_address_constraint)
8466 (write_satisfies_constraint_fns): New.
8467 (write_tm_preds_h): If we have new-style constraint definitions,
8468 prototype the functions generated from them, and define the
8469 old constraint interface (still used by generic code) in terms of
8470 those functions.
8471 (write_insn_preds_c): If we have new-style constraint definitions,
8472 generate all relevant functions from those definitions.
8473 (main): Handle define_constraint etc.
8474 * genoutput.c (struct constraint_data, indep_constraints)
8475 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8476 (mdep_constraint_len): New data structures and functions, defined
8477 #ifdef USE_MD_CONSTRAINTS.
8478 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8479 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8480 use new logic to validate operand constraints against constraint
8481 definitions.
8482 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8483 defined.
8484 * defaults.h: If none of the old-style constraint macros are
8485 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8486 old-style macros; and poison REG_CLASS_FROM_LETTER,
8487 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8488 EXTRA_CONSTRAINT.
8489 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8490 * doc/md.texi: Document new constraint-definition mechanism and the
8491 C interface it provides. Remove references to old mechanism
8492 elsewhere in the document.
8493 (Machine Constraints): Use pathnames relative to gcc directory,
8494 i.e. config/ARCH/FILE. Change i386 section to refer to
8495 config/i386/predicates.md; update that section to match docstrings.
8496 * doc/tm.texi: Move all documentation of the old constraint-
8497 definition macros to their own section, clearly mark as obsolete.
8499 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8500 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8501 definitions.
8502 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8503 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8504 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8505 constraint strings.
8506 (splits and peepholes): Use satisfies_constraint_*.
8507 * config/i386/i386.c (memory_address_length)
8508 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8510 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8512 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8513 scalar operation to be put back into the loop.
8515 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8517 PR other/26208
8518 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8519 (extract_cie_info): Handle S flag in augmentation string.
8520 (execute_cfa_program): If context->signal_frame, execute also
8521 fs->pc == context->ra instructions.
8522 (uw_frame_state_for): If context->signal_frame, don't subtract one
8523 from context->ra to find FDE.
8524 (uw_update_context_1): Set context->signal_frame to
8525 fs->signal_frame.
8526 (_Unwind_GetIPInfo): New function.
8527 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8528 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8529 of _Unwind_GetIP.
8530 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8531 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8532 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8533 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8534 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8535 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8536 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8537 x86_64_fallback_frame_state): Set fs->signal_frame.
8538 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8539 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8540 (frob_update_context): Likewise. Workaround missing S flag in
8541 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8542 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8543 Remove the psw_addr + 1 hack.
8545 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8547 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8548 with aggregates here.
8549 (find_func_aliases): Remove code for &<aggregate> from here.
8551 2006-02-26 Roger Sayle <roger@eyesopen.com>
8553 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8554 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8555 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8556 as (X & C) ne/eq 0.
8558 2006-02-26 Roger Sayle <roger@eyesopen.com>
8560 PR middle-end/19983
8561 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8563 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8565 * opts.c (decode_options): Do not handle flag_strength_reduce.
8566 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8567 and OPT_fstrength_reduce.
8568 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8569 flag_prefetch_loop_arrays for being nonzero.
8570 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8571 no-ops.
8572 (fprefetch-loop-arrays-rtl): Removed.
8573 (flag_prefetch_loop_arrays): Do not specify the value.
8575 * doc/passes.texi: Update documentation of loop optimizer
8576 passes.
8577 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8578 -frerun-loop-opt): Remove.
8580 2006-02-26 Richard Guenther <rguenther@suse.de>
8582 PR tree-optimization/26421
8583 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8584 in function calls that are ADDR_EXPRs as using the whole structure.
8586 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8588 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8589 * tree-pass.h (pass_loop_optimize): Remove.
8590 * passes.c (pass_loop_optimize): Never run it.
8591 * toplev.c (backend_init): Don't call init_loop.
8592 * opts.c (flag_loop_optimize_set): Remove.
8593 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8594 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8595 the old RTL loop optimizer when profiling enabled.
8596 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8597 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8598 pre-headers for the sake of the old RTL loop optimizer.
8599 * Makefile.in: Remove all references to loop.o.
8601 * doc/invoke.texi: Remove all references to -floop-optimize
8602 and -frerun-loop-opt.
8604 2006-02-26 Zack Weinberg <zackw@panix.com>
8606 * doc/md.texi (Machine Constraints): Refer to all files with paths
8607 relative to gcc directory (i.e. config/CPU/file). Add missing
8608 @table @code ... @end table to M32C subsection.
8610 2006-02-26 Roger Sayle <roger@eyesopen.com>
8612 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8613 (X & 1) == 0.
8614 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8616 2006-02-26 Roger Sayle <roger@eyesopen.com>
8617 James A. Morrison <phython@gcc.gnu.org>
8619 PR middle-end/21137
8620 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8621 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8622 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8623 signedness of the shift operation.
8625 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8627 PR tree-optimization/26359
8628 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8630 2006-02-25 Roger Sayle <roger@eyesopen.com>
8632 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8633 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8634 as X == 0, and some symmetry related transformations.
8635 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8637 2006-02-25 Roger Sayle <roger@eyesopen.com>
8639 PR middle-end/23673
8640 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8641 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8642 symmetry related transformations. Fold (X^C1) == C2 as
8643 X == (C1^C2).
8645 2006-02-25 Juergen Weigert <jw@suse.de>
8646 Richard Guenther <rguenther@suse.de>
8648 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8650 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8652 * combine.c (gen_lowpart_or_truncate): Call
8653 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8655 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8657 * doc/invoke.texi: Move -fopenmp description to "Options for
8658 Code Generation".
8659 Remove reference to -lgomp.
8661 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8663 * doc/install.texi: Require GNU tar version 1.14.
8665 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8667 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8668 * doc/invoke.texi (C++ Dialect Options): Document
8669 -fno-use-cxa-get-exception-ptr.
8670 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8671 * configure: Regenerate.
8672 * c.opt (fuse-cxa-get-exception-ptr): New.
8673 * c-opts.c (c_common_handle_option): Handle
8674 OPT_fuse_cxa_get_exception_ptr.
8675 * c-common.c (flag_use_cxa_atexit): Update documentation.
8676 (flag_use_cxa_get_exception_ptr): New.
8677 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8678 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8679 documentation.
8680 (C_COMMON_OVERRIDE_OPTIONS): New.
8682 2006-02-24 Roger Sayle <roger@eyesopen.com>
8684 PR middle-end/24952
8685 * combine.c (try_combine): Explicitly check whether GET_CODE is
8686 a SET or a CLOBBER, instead on checking that it isn't a USE.
8688 2006-02-24 Roger Sayle <roger@eyesopen.com>
8690 * fold-const.c (fold_comparison): New subroutine of fold_binary
8691 containing transformations common to both the equality and
8692 ordering relational operators, factored out of fold_binary.
8693 (fold_binary): Separate out the equality operators (EQ_EXPR
8694 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8695 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8696 transformations common to both.
8697 (fold_div_compare): Fix latent bugs in the previously unreachable
8698 LT_EXPR and GE_EXPR cases.
8700 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8702 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8703 decl libname for clog to __clog on AIX.
8705 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8707 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8709 PR target/26453
8710 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8711 output traceback table for thunks. Localise rs6000_stack_info call.
8713 2006-02-23 Roger Sayle <roger@eyesopen.com>
8714 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8716 * gthr-posix.h (__gthrw): Fix typo in comment.
8718 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8720 * doc/cpp.texi (Character sets): Document that we do support
8721 input files to be in any character set.
8723 2006-02-23 Jeff Law <law@redhat.com>
8725 * tree.h (PHI_ARG_NONZERO): Remove.
8726 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8727 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8728 node to the new node.
8730 PR tree-optimization/26425
8731 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8732 min/max, then assume its varying.
8734 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8736 PR rtl-optimization/26316
8737 * rtlanal.c (enum may_trap_p_flags): New.
8738 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8739 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8740 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8741 (may_trap_after_code_motion_p): New function.
8742 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8743 (find_invariant_insn): Use may_trap_after_code_motion_p.
8744 * rtl.h (may_trap_after_code_motion_p): Declare.
8746 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8748 * emit-rtl.c (immed_double_const): Cleanup.
8750 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8752 Fix PR tree-optimization/26376
8753 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8754 remove assert.
8756 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8758 PR middle-end/26412
8759 * gimplify.c (omp_add_variable): Guard variable size decl test with
8760 DECL_SIZE (decl) check.
8762 2006-02-23 Richard Guenther <rguenther@suse.de>
8764 PR middle-end/26439
8765 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8766 like aggregate types.
8768 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8770 * configure.ac: Add --with{,out}-long-double-128 configure option.
8771 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8772 * configure: Rebuilt.
8773 * config.in: Rebuilt.
8774 * doc/install.texi (Options specification): Document
8775 --with-long-double-128.
8777 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8778 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8779 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8780 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8782 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8784 * config/s390/s390.c (override_options): Handle
8785 TARGET_DEFAULT_LONG_DOUBLE_128.
8787 * config/alpha/alpha.c (override_options): Handle
8788 TARGET_DEFAULT_LONG_DOUBLE_128.
8790 * config/sparc/sparc.c (sparc_override_options): Handle
8791 TARGET_DEFAULT_LONG_DOUBLE_128.
8793 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8795 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8796 (real-install-headers-tar, real-install-headers-cpio)
8797 (real-install-headers-cp): New targets.
8799 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8801 * tree.h (variable_section): Delete.
8802 * varasm.c (variable_section): Delete.
8804 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8806 * install.texi: Add notes on install.texi2html.
8807 (Building in parallel): Do not use footnotes.
8809 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8811 PR libgomp/26234
8812 * doc/install.texi (Configuration): Document --disable-libgomp.
8814 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8816 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8818 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8820 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8821 (vec_extractv2df_0_sse): New.
8823 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8825 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8826 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8827 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8828 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8829 to the result of the expression.
8830 (def_cfa_1): Adjust.
8831 (frame_pointer_cfa_offset): Rename to...
8832 (frame_pointer_fb_offset): ... this. Adjust all uses.
8833 (convert_cfa_to_loc_list): Rename to...
8834 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8835 Pass it on to build_cfa_loc.
8836 (compute_frame_pointer_to_cfa_displacement): Rename to...
8837 (compute_frame_pointer_to_fb_displacement): ... this. New
8838 offset parameter. Use it in computation.
8839 (gen_subprogram_die): Compute cfa_fb_offset with the new
8840 macro, and use it to compute the fb loc list and the
8841 displacement.
8843 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8845 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8846 replaced with register_operand.
8847 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8848 non-DREG is expensive.
8849 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8850 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8851 involving memory.
8853 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8855 * doc/install.texi2html: Use set -e.
8857 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8859 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8860 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8861 * doc/invoke.texi (-fshared-data): Delete.
8862 * common.opt (fshared-data): Delete.
8863 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8864 (assemble_static_space): Remove #if 0 code.
8865 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8866 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8867 * config/cris/cris.h: Remove FIXME.
8869 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8871 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8872 hooks.
8874 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8876 PR middle-end/26379
8877 * combine.c (simplify_shift_const_1): Disable nested shifts
8878 optimization for vector shifts.
8880 2006-02-20 Roger Sayle <roger@eyesopen.com>
8882 PR tree-optimization/26361
8883 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8884 of unsigned integer types.
8886 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8888 * tree-chrec.c (eq_evolutions_p): New.
8889 * tree-chrec.h (eq_evolutions_p): Declared.
8890 * tree-data-ref.c: Fix formatting.
8891 (datadep_stats, dependence_stats): New.
8892 (gcd): Moved...
8893 (print_direction_vector): New.
8894 (dump_data_dependence_relation): Use print_direction_vector.
8895 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8896 (compute_subscript_distance): Static.
8897 (initialize_data_dependence_relation): Static. Get the number
8898 of loops surrounding the references from the callers, and initialize
8899 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8900 base_object_differ_p analyzers.
8901 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8902 compute_overlap_steps_for_affine_1_2,
8903 analyze_subscript_affine_affine): Count the classified dependences.
8904 Print a message when a test failed.
8905 (can_use_analyze_subscript_affine_affine): New.
8906 (analyze_siv_subscript): Compute the data dependences on symbolic
8907 scevs that verify can_use_analyze_subscript_affine_affine.
8908 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8909 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8910 Handle symbolic scevs.
8911 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8912 analyzed.
8913 (subscript_dependence_tester): Moved...
8914 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8915 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8916 DDR_SIZE_VECT instead of getting it in parameter.
8917 (subscript_dependence_tester): ... here. Take as a parameter
8918 loop_nest_depth. Call build_classic_dist_vector and
8919 build_classic_dir_vector.
8920 (compute_affine_dependence): Update subscript_dependence_tester
8921 parameters. Update datadep_stats counters. Call
8922 compute_subscript_distance.
8923 (compute_self_dependence): Save the dist and dir vectors. Call
8924 compute_subscript_distance.
8925 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8926 (compute_all_dependences): Reorder parameters as they were before
8927 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8928 compute_subscript_distance. Update the use of
8929 compute_affine_dependence and initialize_data_dependence_relation.
8930 (find_data_references_in_loop): Handle COMPONENT_REF.
8931 (compute_data_dependences_for_loop): Initialize dependence_stats.
8932 Don't call build_classic_dist_vector and build_classic_dir_vector.
8933 Update the parameters of initialize_data_dependence_relation and
8934 compute_all_dependences. Print the statistics from datadep_stats.
8935 (analyze_all_data_dependences): Static. Not used until the pass for
8936 checking the data dependences is contributed.
8937 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8938 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8939 (initialize_data_dependence_relation, compute_affine_dependence,
8940 analyze_all_data_dependences, compute_subscript_distance): Removed.
8941 (print_direction_vector): New.
8942 * lambda.h (gcd): ... here.
8943 (lambda_vector_gcd): Moved here from gcd_vector.
8944 * lambda-code.c (gcd, gcd_vector): Removed.
8945 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8946 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8948 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8950 * ipa-type-escape.c: Tidy some comments and white space.
8951 * tree-ssa-operands.c: Likewise.
8953 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8955 PR tree-opt/25879
8956 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8957 (dump_decl_name): Do not walk the decl tree chains.
8958 * tree-pass.h (TDF_CHAIN): Remove.
8960 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8962 * Makefile.in (C): Remove
8963 (PROTO): Remove
8964 (.PHONY): Remove C and PROTO
8966 2006-02-20 Roger Sayle <roger@eyesopen.com>
8968 PR middle-end/26236
8969 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8970 deprecated CHAR_TYPE tree code.
8972 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8974 * configure.ac (target_list): Add install-info, dvi, html.
8975 * configure: Regenerate.
8977 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8978 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8979 treelang/Make-lang.in: Do not use double-colon rules.
8981 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8983 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8984 (TMT_USED_ALONE): New macro.
8985 * tree-pass.h (PROP_tmt_usage): New property.
8986 (TODO_update_tmt_usage): New todo.
8987 * tree-ssa-alias.c (updating_used_alone): New variable.
8988 (recalculate_used_alone): New function.
8989 (compute_may_aliases): Set updating_used_alone, call
8990 recalculate_used_alone.
8991 * tree-sra.c (pass_sra): Note that this pass destroys
8992 PROP_tmt_usage, and add TODO_update_tmt_usage.
8993 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8994 * tree-flow.h (updating_used_alone): Prototype.
8995 (recalculate_used_alone): Ditto.
8996 * passes.c (execute_todo): Add code to set updating_used_alone,
8997 and call recalculate.
8998 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8999 for clobber if used alone, and add assert to verify used_alone
9000 status.
9002 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9004 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9005 for non tls symbols added.
9006 (legitimize_address): Do nothing for PLUS expressions if one of the
9007 addends is a tls symbol reference.
9009 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9011 PR bootstrap/25476
9013 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9015 * Makefile.in (BOOTSTRAPPING): New.
9016 (quickstrap): New definition if BOOTSTRAPPING=yes.
9018 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9019 * configure.ac: Substitute all_selected_languages with the languages
9020 that were configured. For all the other variables except
9021 lang_specs_files, include all the languages in the tree.
9022 * configure: Regenerate.
9024 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9025 if there is one. Run the commands to run fixincludes in the same
9026 subshell.
9028 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9029 * doc/install.texi: Document exact conventions for searching target tools.
9030 Document --with-build-time-tools. Document toplevel bootstrap. Document
9031 something more about building an Ada cross-compiler. Don't list GNU Make
9032 requirements which affect all platforms.
9034 2006-02-19 Roger Sayle <roger@eyesopen.com>
9036 PR middle-end/19543
9037 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9038 only equivalent if the have both the same mode and precision.
9040 2006-02-20 Ben Elliston <bje@au.ibm.com>
9042 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9044 2006-02-19 Roger Sayle <roger@eyesopen.com>
9045 Steven Bosscher <stevenb.gcc@gmail.com>
9047 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9048 constant pool references to identify stack mode constants.
9049 * rtlanal.c (constant_pool_constant_p): New predicate to check
9050 whether operand is a floating point constant in the pool.
9051 * rtl.h (constant_pool_constant_p): Prototype here.
9052 * loop.c (scan_loop): Avoid hoisting constants from the constant
9053 pool on STACK_REGS targets.
9054 (load_mems): Likewise.
9055 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9056 loads into x87 registers expensive in terms of register pressure.
9058 2006-02-19 Roger Sayle <roger@eyesopen.com>
9060 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9061 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9063 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9065 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9066 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9068 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9070 * doc/invoke.texi: Document -fipa-pta.
9071 * common.opt: Add ipa-pta option.
9072 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9073 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9074 (do_ds_constraint): Ditto.
9075 (get_constraint_for): Only add to referenced_vars if
9076 referenced_vars exists.
9077 (insert_into_field_list): Rewrite to do this unsorted.
9078 (insert_into_field_list_sorted): Rename old insert_into_field_list
9079 to this.
9080 (create_function_info_for): Use insert_into_field_list_sorted.
9081 (create_variable_info_for): Rewrite so it uses unsorted version,
9082 since the field list is sorted.
9083 (intra_create_variable_infos): Only add to referenced_vars if
9084 referenced_vars exists.
9085 (ipa_pta_execute): Init heapvars, and delete when done.
9086 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9088 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9090 * doc/install.texi: Add missing `@samp'.
9092 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9094 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9095 Use the arguments.
9097 2006-02-18 Mark Wielaard <mark@klomp.org>
9099 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9100 who added new 4.1 features, bug fixes and integration support.
9102 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9104 PR target/26350
9105 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9106 MEM for ABI_V4 pic.
9108 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9110 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9111 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9112 (copy_insn_1): Likewise. Don't copy each field individually.
9113 Reindent.
9114 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9115 of RTX_SIZE.
9116 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9117 * rtl.c (rtx_size): Rename variable to...
9118 (rtx_code_size): ...this.
9119 (rtx_size): New function.
9120 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9121 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9122 Reindent.
9123 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9124 * rtl.h (rtx_code_size): New variable.
9125 (rtx_size): Change from a variable to a function.
9126 (RTX_SIZE): Rename to...
9127 (RTX_CODE_SIZE): ...this.
9129 PR target/9703
9130 PR tree-optimization/17106
9131 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9132 (Anchored Addresses): New section.
9133 * doc/invoke.texi (-fsection-anchors): Document.
9134 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9135 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9136 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9137 * hooks.c (hook_bool_mode_rtx_false): New function.
9138 * hooks.h (hook_bool_mode_rtx_false): Declare.
9139 * gengtype.c (create_optional_field): New function.
9140 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9141 SYMBOL_REF_IN_BLOCK_P is true.
9142 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9143 (min_anchor_offset, max_anchor_offset): Likewise.
9144 (use_anchors_for_symbol_p): New hook.
9145 * toplev.c (compile_file): Call output_object_blocks.
9146 (target_supports_section_anchors_p): New function.
9147 (process_options): Check that -fsection-anchors is only used on
9148 targets that support it and when -funit-at-a-time is in effect.
9149 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9150 if the decl doesn't have one.
9151 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9152 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9153 of force_const_mem through use_anchored_address.
9154 (expand_expr_constant): New function.
9155 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9156 calling expand_expr for INDIRECT_REF.
9157 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9158 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9159 * expr.h (use_anchored_address): Declare.
9160 * loop-unroll.c: Don't declare rtx vectors here.
9161 * explow.c: Include output.h.
9162 (validize_mem): Call use_anchored_address.
9163 (use_anchored_address): New function.
9164 * common.opt (-fsection-anchors): New switch.
9165 * varasm.c (object_block_htab, anchor_labelno): New variables.
9166 (hash_section, object_block_entry_eq, object_block_entry_hash)
9167 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9168 (use_blocks_for_decl_p, change_symbol_section): New functions.
9169 (get_variable_section): New function, split out from assemble_variable.
9170 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9171 use_blocks_for_decl_p say so. Use change_symbol_section if the
9172 symbol has already been created.
9173 (assemble_variable_contents): New function, split out from...
9174 (assemble_variable): ...here. Don't output any code for
9175 block symbols; just pass them to place_block_symbol.
9176 Use get_variable_section and assemble_variable_contents.
9177 (get_constant_alignment, get_constant_section, get_constant_size): New
9178 functions, split from output_constant_def_contents.
9179 (build_constant_desc): Create a block symbol if use_object_blocks_p
9180 says so. Or into SYMBOL_REF_FLAGS.
9181 (assemble_constant_contents): New function, split from...
9182 (output_constant_def_contents): ...here. Don't output any code
9183 for block symbols; just pass them to place_section_symbol.
9184 Use get_constant_section and get_constant_alignment.
9185 (force_const_mem): Create a block symbol if use_object_blocks_p and
9186 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9187 (output_constant_pool_1): Add an explicit alignment argument.
9188 Don't switch sections here.
9189 (output_constant_pool): Adjust call to output_constant_pool_1.
9190 Switch sections here instead. Don't output anything for block symbols;
9191 just pass them to place_block_symbol.
9192 (init_varasm_once): Initialize object_block_htab.
9193 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9194 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9195 (place_block_symbol, get_section_anchor, output_object_block)
9196 (output_object_block_htab, output_object_blocks): New functions.
9197 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9198 (TARGET_ASM_OUT): Include it.
9199 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9200 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9201 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9202 (TARGET_INITIALIZER): Include them.
9203 * rtl.c (rtl_check_failed_block_symbol): New function.
9204 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9205 (block_symbol, object_block): New structures.
9206 (rtx_def): Add a block_symbol field to the union.
9207 (BLOCK_SYMBOL_CHECK): New macro.
9208 (rtl_check_failed_block_symbol): Declare.
9209 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9210 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9211 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9212 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9213 * output.h (output_section_symbols): Declare.
9214 (object_block): Name structure.
9215 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9216 (default_use_anchors_for_symbol_p): Declare.
9217 * Makefile.in (RTL_BASE_H): Add vec.h.
9218 (explow.o): Depend on output.h.
9219 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9220 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9221 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9222 (rs6000_use_blocks_for_constant_p): New function.
9224 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9226 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9228 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9230 PR tree-opt/25680
9231 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9232 IMAGPART_EXPR.
9234 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9236 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9237 is_aliased.
9238 Update all users.
9240 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9242 PR middle-end/26334
9243 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9244 instead of DECL_REGISTER.
9246 2006-02-18 Olivier Hainque <hainque@adacore.com>
9248 PR ada/13408
9249 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9251 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9253 PR target/24837
9254 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9255 * opth-gen.awk: Handle Var and InverseMask together.
9256 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9257 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9258 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9259 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9260 used together.
9261 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9262 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9263 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9264 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9265 LINUX_DYNAMIC_LINKER): Define.
9266 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9267 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9268 TARGET_GLIBC.
9269 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9270 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9271 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9272 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9273 (TARGET_C99_FUNCTIONS): Don't define.
9274 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9275 GLIBC_DYNAMIC_LINKER.
9276 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9277 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9278 GLIBC_DYNAMIC_LINKER64): Define.
9279 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9280 LINUX_DYNAMIC_LINKER64.
9281 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9282 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9283 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9284 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9285 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9286 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9287 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9288 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9289 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9290 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9291 and LINUX_DYNAMIC_LINKER32.
9292 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9293 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9294 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9295 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9296 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9297 TARGET_GLIBC.
9298 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9299 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9300 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9301 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9302 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9303 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9304 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9305 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9306 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9307 LINUX_DYNAMIC_LINKER): Define.
9308 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9309 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9310 GLIBC_DYNAMIC_LINKER64): Define.
9311 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9312 LINUX_DYNAMIC_LINKER64.
9313 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9314 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9315 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9316 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9317 LINUX_DYNAMIC_LINKER): Define.
9318 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9319 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9320 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9321 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9322 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9323 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9324 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9325 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9326 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9327 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9328 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9329 * doc/invoke.texi (-muclibc): Remove caveat about supported
9330 targets.
9332 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9334 * doc/cpp.texi (__TIMESTAMP__): Document.
9336 2006-02-17 Roger Sayle <roger@eyesopen.com>
9338 PR middle-end/25600
9339 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9340 C is one less than the width of X (and related transformations).
9341 * simplify-rtx.c (simplify_unary_operation_1): Transform
9342 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9343 depending on STORE_FLAG_VALUE, were C is one less then the
9344 width of X.
9346 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9348 Fix PR tree-optimization/26341
9349 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9350 about NAME_MEMORY_TAG's.
9352 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9354 PR target/26255
9355 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9356 with hardware float support, and software float support. Add fcpy
9357 alternative to hardware patterns. Add alternatives to copy between
9358 general and floating-point registers to the 32-bit pattern.
9359 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9360 secondary reload to load a QI or HI mode constant into a floating
9361 point register.
9362 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9363 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9365 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9367 PR target/26272
9368 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9369 pc to the pattern.
9370 (load_macho_picbase_di): Likewise.
9372 2006-02-16 Jeff Law <law@redhat.com>
9374 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9375 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9376 (ssa_name_nonzero_p): Likewise.
9377 (get_value_range): Return NULL if VRP is not running.
9378 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9379 VRP routines do not discover a range.
9380 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9381 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9382 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9383 (tree_expr_nonnegative_p): Similarly.
9384 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9385 (restore_nonzero_vars_to_original_value): Remove.
9386 (unsafe_associative_fp_binop): Remove.
9387 (tree_ssa_dominator_optimize): Remove initialization and
9388 finalization of nonzero_vars and nonzero_vars_stack.
9389 (dom_opt_initialize_block): No longer push marker on
9390 nonzero_vars_stack.
9391 (dom_opt_finalize_block): No longer call
9392 restore_nonzero_vars_to_original_value.
9393 (record_equivalences_from_phis): No longer look for
9394 nonzero PHI arguments.
9395 (cprop_into_successor_phis): No longer propagate nonzero
9396 property into PHI arguments. Lose unused argument. Caller
9397 updated.
9398 (record_equivalences_from_stmt): No longer record nonzero
9399 values for SSA_NAMEs.
9400 (lookup_avail_expr): No longer use nonzero_vars.
9402 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9403 for sizetype when sizetype is unsigned.
9405 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9407 PR rtl-optimization/25603
9408 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9409 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9410 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9411 with new meaning of SETS.
9413 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9415 PR target/20353
9416 PR target/24578
9417 PR target/24837
9418 * config/linux.opt: New file.
9419 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9420 LINUX_DYNAMIC_LINKER): Define.
9421 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9422 * config.gcc (*-*-linux*): Define extra_options.
9423 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9424 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9425 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9426 GLIBC_DYNAMIC_LINKER.
9427 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9428 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9429 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9430 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9431 * doc/invoke.texi (GNU/Linux Options): New section.
9433 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9435 * config/sparc/sparc.md (setjmp): Rewrite.
9436 (setjmp_32): Delete.
9437 (setjmp_64): Likewise.
9439 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9441 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9442 previous change.
9444 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9446 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9447 read-write uses.
9449 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9451 PR rtl-optimization/26296
9452 * Makefile.in (loop-invariant.c): Add except.h dependency.
9453 * loop-invariant.c: Include except.h.
9454 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9456 2005-02-16 Paul Brook <paul@codesourcery.com>
9458 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9459 for reloads.
9461 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9463 PR rtl-optimization/25636
9464 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9465 when deciding whether an insn is an initializing insn.
9467 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9469 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9470 (tree_code_size): Ditto.
9471 * tree.h (struct tree_memory_tag): Remove parent_var.
9472 (struct tree_struct_field_tag): New.
9473 (SFT_OFFSET): New.
9474 (SFT_SIZE): New.
9475 (union tree_node): Add sft member.
9476 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9477 specially here.
9478 (create_sft): Add size and offset argument, set SFT_OFFSET and
9479 SFT_SIZE.
9480 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9481 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9482 * tree-flow-inline.h (get_subvar_at): Update for
9483 SFT_OFFSET/SFT_SIZE.
9484 (var_can_have_subvars): Ditto.
9485 (overlap_subvar): Ditto.
9486 * print-tree.c (print_node): Print out interesting things for
9487 SFT's.
9488 * tree-flow.h (struct subvar): Remove offset and size members.
9489 * tree-ssa-operands.c (get_expr_operands): Update for
9490 get_indirect_ref_operands changes.
9491 (get_indirect_ref_operands): Call add_virtual_operand instead of
9492 add_stmt_operand. Only recurse on base var if requested.
9493 (access_can_touch_variable): New function.
9494 (add_stmt_operand): Split virtual operand handling into ...
9495 (add_virtual_operand): Here. Add offset, size, and for_clobber
9496 arguments. Prune alias sets.
9497 (add_call_clobber_ops): Call add_virtual_operand.
9499 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9501 PR middle-end/26300
9502 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9504 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9505 than TREE_CODE as index into omp_clause_num_ops array.
9507 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9509 PR rtl-optimization/26184
9510 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9511 uses_of_defs.
9512 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9513 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9514 must_precede, must_follow and tobe_scheduled.
9516 PR other/26147
9517 * opts.c (common_handle_option): Free new_option pointer.
9518 * df-core.c (df_analyze): Free postorder pointer.
9520 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9522 * Makefile.in: Fix the examples about the use of stamps
9524 2006-02-15 Michael Matz <matz@suse.de>
9526 PR middle-end/22275
9528 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9529 influenced by maximum_field_alignment or DECL_PACKED.
9530 (update_alignment_for_field): Ditto.
9531 (place_field): Ditto.
9532 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9533 this behaviour.
9535 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9537 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9538 (debug_flow_info): Pass it.
9539 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9540 * bb-reorder.c (reorder_basic_blocks): Likewise.
9541 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9542 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9543 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9544 * gcse.c (gcse_main, bypass_jumps): Likewise.
9545 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9546 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9547 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9548 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9549 * rtl.h (dump_flow_info): Adjust prototype.
9550 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9551 * var-tracking.c (variable_tracking_main): Likewise.
9552 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9553 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9554 options.
9556 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9558 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9559 construction.
9561 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9563 PR tree-optimization/26209
9564 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9565 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9566 eh edges.
9567 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9569 2006-02-14 Roger Sayle <roger@eyesopen.com>
9571 PR middle-end/23670
9572 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9573 (X,Y) and the corresponding symmetry related transformations.
9574 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9575 (X,Y) and its symmetry related transformations.
9577 2006-02-14 Roger Sayle <roger@eyesopen.com>
9579 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9580 and GEU.
9582 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9584 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9586 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9588 PR bootstrap/26053
9589 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9590 support COMDAT group.
9591 * configure: Regenerate.
9593 2006-02-14 Roger Sayle <roger@eyesopen.com>
9595 PR middle-end/26279
9596 PR middle-end/26280
9597 PR middle-end/26283
9598 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9600 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9602 Fix PR tree-optimization/26260
9604 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9605 param.
9606 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9607 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9608 * tree-ssa-structalias.c (create_variable_info_for): Use
9609 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9611 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9613 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9614 Document.
9615 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9616 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9617 of the ending condition.
9618 * tree-ssa-loop-manip.c: Include params.h.
9619 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9620 tree_unroll_loop): New functions.
9621 * tree-pass.h (pass_loop_prefetch): Declare.
9622 * loop.c (rest_of_handle_loop_optimize): Test for
9623 -fprefetch-loop-arrays-rtl.
9624 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9625 * timevar.def (TV_TREE_PREFETCH): New timevar.
9626 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9627 pass_loop_prefetch): New.
9628 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9629 (cleanup_tree_cfg_loop): Call scev_reset.
9630 * common.opt (fprefetch-loop-arrays-rtl): Add.
9631 * tree-ssa-loop-prefetch.c: New file.
9632 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9633 (new_temp_expr_table): Initialize expr_vars.
9634 (free_temp_expr_table): Cleanup expr_vars.
9635 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9636 expressions from being merged into one.
9637 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9638 (struct tree_niter_desc): Add control, bound and cmp fields.
9639 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9640 Declare.
9641 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9642 (tree-cfgcleanup.o): Add SCEV_H dependency.
9643 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9644 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9646 2006-02-14 Richard Guenther <rguenther@suse.de>
9648 PR tree-optimization/26258
9649 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9650 in PHI argument processing.
9652 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9654 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9655 new expression in the requested machine mode.
9657 2006-02-13 Roger Sayle <roger@eyesopen.com>
9659 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9660 directly, instead let do_compare_rtx_and_jump handle this for us.
9661 * expr.c (expand_expr_real_1): Likewise.
9662 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9663 before do_jump_by_parts_greater.
9664 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9665 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9667 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9669 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9671 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9673 PR rtl-optimization/26235
9674 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9675 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9676 format.
9678 2006-02-13 Jeff Law <law@redhat.com>
9680 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9681 TRUTH_XOR_EPR.
9683 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9685 PR middle-end/26092
9686 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9687 twice if decl is a builtin. When trying again, call get_callee_fndecl
9688 first to verify it is still a builtin.
9690 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9692 * dwarf2out.c (base_type_die): Don't add AT_name here.
9693 (subrange_type_die): Don't add AT_name here.
9694 (modified_type_die): Rearrange code flow. Do add AT_name here.
9696 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9698 PR rtl-optimization/26247
9699 PR rtl-optimization/26248
9700 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9702 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9704 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9705 * config/fixtfdi.c: Likewise.
9706 * config/fixunstfdi.c: Likewise.
9707 * config/floatditf.c: Likewise.
9709 2006-02-13 Roger Sayle <roger@eyesopen.com>
9711 PR middle-end/24427
9712 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9713 into (X,C2) if C1 is a subset of the bits of C2. Transform
9714 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9715 (X&(C1&~C2))|C2.
9716 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9718 2006-02-13 Josh Conner <jconner@apple.com>
9720 PR target/25376
9721 * varasm.c (function_section): Check for section name before
9722 calling select_section on targets that define
9723 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9724 unlikely_text_section instead of hot_function_section if
9725 first_function_block_is_cold.
9727 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9729 PR middle-end/25335
9730 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9732 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9734 PR rtl-optimization/26222
9735 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9736 after tree->rtl expansion.
9737 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9738 before passing it to emit_move_insn.
9740 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9742 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9743 default.
9744 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9745 Clarify documentation.
9746 * c-common.h (warn_write_strings): Remove.
9747 * c-common.c (warn_write_strings): Likewise.
9748 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9749 default for C++.
9751 2006-02-12 Roger Sayle <roger@eyesopen.com>
9753 PR middle-end/25724
9754 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9755 (do_jump_parts_zero_rtx): New function renamed from
9756 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9757 (do_jump_parts_equality_rtx): New function split out from
9758 do_jump_parts_equality. Old implementation renamed as above.
9759 Call do_jump_parts_zero_rtx if either operand is zero.
9760 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9761 do all of the heavy lifting.
9762 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9763 calling either do_jump_by_parts_greater_rtx or
9764 do_jump_by_parts_equality_rtx.
9765 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9766 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9767 moved to do_compare_rtx_and_jump, call it directly.
9768 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9769 mode argument. Call do_compare_rtx_and_jump.
9770 (emit_case_nodes): Update calls to do_jump_if_equal.
9772 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9774 PR rtl-optimization/26225
9775 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9777 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9779 PR rtl-optimization/26232
9780 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9782 2006-02-11 Jason Merrill <jason@redhat.com>
9784 PR tree-opt/24365
9785 * tree-inline.c (declare_return_variable): Just don't use the
9786 modify target if it's a gimple complex reg and the return slot
9787 isn't.
9789 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9791 * doc/contrib.texi: Update my entry.
9793 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9795 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9797 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9799 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9800 expensive.
9802 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9804 * doc/invoke.texi (-floop-optimize2): Removed.
9805 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9806 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9807 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9808 * common.opt (floop-optimize2): Removed.
9809 (fmove-loop-invariants): Enabled by default.
9811 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9813 * tree-if-conv.c (combine_blocks): Free the result of
9814 get_loop_exit_edges.
9816 2006-02-10 Jeff Law <law@redhat.com>
9818 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9820 PR tree-optimization/26213
9821 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9822 loop trying to follow SSA_NAME_VALUE chains.
9824 2006-02-10 Richard Guenther <rguenther@suse.de>
9826 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9827 deal with structures that end in implicitly variable sized arrays.
9829 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9831 PR rtl-optimization/24762
9832 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9833 eh edges.
9835 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9837 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9838 (struct ivopts_data): Add regs_used field.
9839 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9840 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9841 instead of loop_data->regs_used;
9842 (free_loop_data): Do not free aux fields for loops.
9843 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9844 and tree_ssa_iv_optimize_finalize.
9846 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9848 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9850 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9852 PR target/26141
9853 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9854 computing the effective result type.
9856 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9858 PR inline-asm/16194
9859 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9860 (tree_overlaps_hard_reg_set): Declare.
9861 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9862 type and signature to match function type expected by walk_tree.
9863 (tree_overlaps_hard_reg_set): New function.
9864 (decl_conflicts_with_clobbers_p): Rename to:
9865 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9866 Use tree_overlaps_hard_reg_set. Changed caller.
9867 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9868 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9869 * cris.c (cris_md_asm_clobbers): Likewise.
9871 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9873 * reload1.c (emit_input_reload_insns): Delete code that tries to
9874 inherit using find_equiv_reg.
9876 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9878 * c-common.h (flag_const_strings): Don't declare.
9879 * c-common.c (flag_const_strings): Remove.
9880 * c.opt (fconst_strings): Remove.
9881 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9882 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9883 (c_common_init_options): Don't set flag_const_strings.
9884 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9886 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9888 * arm.md (tlobits_cbranch): New pattern.
9889 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9890 testing a single bit.
9892 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9894 PR tree-opt/26179
9895 * tree-ssa-pre.c (create_component_ref_by_pieces):
9896 Handle RETURN_DECL like VAR_DECL.
9898 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9900 PR middle-end/26134
9901 * fold-const.c (fold_indirect_ref_1): Fold
9902 "*(foo *)&complexfoo" to "__real__ complexfoo"
9903 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9905 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9907 * tree-flow-inline.h (var_can_have_subvars):
9908 Volatile variables should not have subvariables.
9910 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9912 PR 26180
9913 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9914 multiplying unsigned values.
9915 Tidy comments.
9917 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9919 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9921 2006-02-08 Jason Merrill <jason@redhat.com>
9923 PR c++/25979
9924 * tree.def: Elaborate on difference from MODIFY_EXPR.
9925 * doc/c-tree.texi (INIT_EXPR): Likewise.
9926 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9927 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9928 (gimplify_target_expr): Likewise.
9929 (gimplify_cond_expr): Remove target handling.
9930 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9931 (gimplify_expr): Clobber it here.
9932 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9933 Do return slot optimization if we have an INIT_EXPR.
9935 PR tree-opt/24365
9936 * tree-inline.c (declare_return_variable): Also clear
9937 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9939 PR c++/16405
9940 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9942 PR middle-end/22439
9943 * gimplify.c (gimplify_one_sizepos): Fix typo.
9945 2006-02-08 Jeff Law <law@redhat.com>
9947 PR tree-optimization/21417
9948 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9949 across a backedge if the control statement at the end of the
9950 block is data dependent on other statements in the same block.
9951 (record_temporary_equivalences_from_stmts): Remove over-conservative
9952 test for threading across backedges.
9954 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9955 control statement, handle all three special cases in the same
9956 manner as they all have the same desired solution. No longer
9957 special case edge flag updating when the post dominator is
9958 the exit block.
9960 2006-02-08 Roger Sayle <roger@eyesopen.com>
9962 * tree.def (CHAR_TYPE): Remove.
9963 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9964 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9965 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9966 (gen_string_type_die): Delete unreachable function.
9968 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9969 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9970 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9971 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9972 * builtins.c (type_to_class): Likewise.
9973 * fold-const.c (fold_convert, build_range_check,
9974 merge_ranges): Likewise.
9975 * expr.c (count_type_elements): Likewise.
9976 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9977 * stor-layout.c (layout_type): Likewise.
9978 * ipa-type-escape.c (type_to_consider): Likewise.
9979 * gimplify.c (omp_firstprivatize_type_sizes,
9980 gimplify_type_sizes): Likewise.
9981 * explow.c (promote_mode): Likewise.
9982 * tree-sra.c (is_sra_scalar_type): Likewise.
9983 * varasm.c (output_constant): Likewise.
9984 * tree-inline.c (remap_type_1): Likewise.
9985 * convert.c (convert_to_pointer, convert_to_real,
9986 convert_to_integer, convert_to_complex): Likewise.
9988 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9990 * df-scan.c (df_def_record_1): A set destination may
9991 be a parallel regardless of mode.
9993 2006-02-08 Roger Sayle <roger@eyesopen.com>
9995 PR target/22209
9996 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9997 * config/mips/_tilib.c: Remove.
9998 * config/fixtfdi.c: New libgcc source file.
9999 * config/fixunstfdi.c: New source file.
10000 * config/floatditf.c: New source file.
10001 * config/floatunditf.c: New souce file.
10002 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10003 files above instead of config/mips/_tilib.c.
10004 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10006 2006-02-08 Jeff Law <law@redhat.com>
10008 PR tree-optimization/26169
10009 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10010 threading jumps.
10012 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10014 * df.h (DF_REG_SIZE): Return the length of the initialized
10015 part of the array.
10017 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10019 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10020 __muldf3): Return a correctly signed zero.
10022 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10024 * passes.c (register_one_dump_file): Accept the current properties
10025 instead of pass number. Adjust call to dump_register. Remove
10026 duplicated code.
10027 (register_dump_files): Now a wrapper around...
10028 (register_dump_files_1): ... this one. Do not modify the pass
10029 structure.
10030 (next_pass_1): Cosmetic fix.
10031 (execute_todo): Keep second parameter only. Use curr_properties
10032 instead of fetching it from the pass structure. Check and set
10033 last_verified.
10034 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10035 instead of fetching it from the pass structure. Fix calls to
10036 execute_todo. Update curr_properties and initialize .vcg RTL dump
10037 after running the pass. Reset last_verified.
10038 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10039 at the beginning.
10040 (FIRST_AUTO_NUMBERED_DUMP): New.
10041 (dump_register): Remove "num" parameter, assign it within the
10042 function.
10043 (get_dump_file_name): Modify template for dumps.
10044 * tree-dump.h (dump_register): Adjust prototype.
10045 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10046 (PROP_trees): Add PROP_gimple_lomp.
10047 (TODO_set_props): New.
10048 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10049 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10050 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10052 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10054 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10055 (sparc64-*-linux*): Likewise.
10056 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10057 * config/sparc/t-linux: New file.
10058 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10059 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10060 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10061 -m32 -mlong-double-128.
10063 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10064 * config/alpha/t-linux: New file.
10065 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10067 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10068 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10069 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10070 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10071 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10072 (CPP_ARCH32_SPEC): Remove.
10074 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10076 PR tree-optimization/26145
10077 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10078 bbs pointer.
10080 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10082 PR target/26109
10083 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10084 >= 240000 when generating code for SOM runtime.
10085 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10086 to $$dyncall when generating code for SOM runtime..
10088 2006-02-07 Dirk Mueller <dmueller@suse.com>
10090 PR c++/18150
10091 * doc/invoke.texi (-Wsequence-point): Update documentation
10092 that -Wsequence-point is implemented for C++ as well.
10094 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10096 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10097 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10098 (LIB_SPEC): Likewise.
10099 * doc/invoke.texi (SPARC options): Document -pthread.
10101 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10103 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10104 PIC addresses.
10106 2006-02-07 Roger Sayle <roger@eyesopen.com>
10108 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10109 Correct comment describing BOOLEAN_TYPE.
10111 2006-02-07 Dirk Mueller <dmueller@suse.com>
10113 * c.opt: C++ frontend supports -Wdiv-by-zero.
10114 * c-opts.c (c_common_handle_option): Remove dead case.
10116 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10118 * configure.ac (TLS assembler check): Do not enable TLS by
10119 default on SPARC/Solaris before version 10.
10120 * configure: Regenerate.
10122 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10124 * doc/invoke.texi (xl-compat): Document conversion and support
10125 routine names.
10127 2006-02-07 Jeff Law <law@redhat.com>
10129 * tree-vrp.c (find_conditional_asserts): Update comments.
10130 (simplify_stmt_for_jump_threading): New.
10131 (identify_jump_threads, finalize_jump_threads): New.
10132 (vrp_finalize): Call identify_jump_threads.
10133 (execute_vrp): Call finalize_jump_threads.
10134 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10135 (vrp_element, vrp_data, vrp_element_p): Remove.
10136 (vrp_hash_elt, vrp_variables_stack): Remove.
10137 (vrp_hash, vrp_eq, record_range): Remove.
10138 (simplify_cond_and_lookup_avail_expr): Remove.
10139 (extract_range_from_cond): Remove.
10140 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10141 (simplify_stmt_for_jump_threading): New.
10142 (dom_thread_across_edge): New wrapper.
10143 (tree_ssa_dominator_optimize): No longer initialize or
10144 finalize any of the VRP datastructures. Remove iteration
10145 step and simplify as a result of removal of iteration step.
10146 (pass_dominator): Perform a cfg cleanup after DOM.
10147 (dom_opt_finalize_block): Use the new common routines
10148 for threading jumps. Simplify stack management slightly.
10149 No longer need to unwind VRP state.
10150 (record_equivalences_from_incoming_edge): No longer record
10151 VRP information.
10152 (eliminate_redundant_computations): No longer call
10153 simplify_cond_and_lookup_avail_expr.
10154 * tree-flow.h (potentially_threadable_block): Prototype.
10155 (thread_across_edge): Likewise.
10156 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10157 (tree-ssa-threadedge.o): Add dependencies.
10158 * tree-ssa-threadedge.c: New file.
10159 * passes.c (init_optimization_passes): Merge PHIs before
10160 calling VRP. Run VRP again late in the SSA optimization pipeline.
10162 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10164 * df-core.c (df_set_blocks): Do not dereference function pointers.
10165 (df_finish1): Likewise.
10166 (df_hybrid_search_forward): Likewise.
10167 (df_hybrid_search_backward): Likewise.
10168 (df_iterative_dataflow): Likewise.
10169 (df_analyze_problem): Likewise.
10170 (df_compact_blocks): Likewise.
10171 (df_dump): Likewise.
10172 * df-scan.c (df_rescan_blocks): Likewise.
10173 (df_record_entry_block_defs): Likewise.
10175 * genconditions.c (write_conditions): Guard the definition of
10176 'insn_conditions' with the check on GCC version.
10177 (write_writer): Guard the traversal 'insn_conditions' with
10178 the check on GCC version.
10180 2006-02-07 Richard Guenther <rguenther@suse.de>
10182 PR c++/26140
10183 Revert
10184 2006-01-30 Richard Guenther <rguenther@suse.de>
10185 PR c++/23372
10186 * gimplify.c (gimplify_target_expr): Handle easy cases
10187 without creating a temporary.
10189 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10191 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10192 use of float in probability computations. Use edge probabilities
10193 in place of statically computed probabilities.
10194 (min_spec_prob): New static variable.
10195 (schedule_insns): Initialize it.
10196 (GET_SRC_PROB): Removed.
10197 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10199 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10201 PR debug/24444
10202 * config/ia64/unwind-ia64.c: Revert last change.
10203 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10204 (INCOMING_FRAME_SP_OFFSET): Define.
10206 2006-02-06 Roger Sayle <roger@eyesopen.com>
10208 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10210 2006-02-07 Ben Elliston <bje@au.ibm.com>
10212 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10213 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10214 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10215 (ix86_return_in_memory): Handle TDmode.
10216 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10217 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10219 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10221 * reorg.c (dbr_schedule): Use dump_file instead of file.
10223 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10225 PR target/25917
10226 * config/ia64/predicates.md (extr_len_operand): New predicate.
10227 * config/ia64/ia64.md (extv): Tighten constraints.
10228 (extzv): Ditto.
10229 (*tbit_and_2): Ditto.
10230 (*tbit_and_3): Ditto.
10231 (*tbit_or_2): Ditto.
10232 (*tbit_or_3): Ditto.
10233 (*bit_zero): Ditto.
10234 (*bit_one): Ditto.
10236 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10238 PR target/23359
10239 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10241 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10243 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10244 loop_optimizer_init and loop_optimizer_finalize
10245 * tree-ssa-sink.c (execute_sink_code): Ditto.
10246 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10247 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10248 tree_ssa_loop_done): Ditto.
10249 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10250 * sched-ebb.c: Include output.h.
10251 (schedule_ebbs): Do not use dump argument.
10252 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10253 * loop.c (loop_dump_stream): Removed.
10254 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10255 argument.
10256 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10257 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10258 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10259 loop_iterations, strength_reduce, record_biv, record_giv,
10260 final_giv_value, check_final_value, check_ext_dependent_givs,
10261 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10262 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10263 dump_file instead of loop_dump_stream.
10264 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10265 argument dump_file.
10266 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10267 dump argument.
10268 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10269 * haifa-sched.c: Include output.h
10270 (schedule_insns, sched_init): Do not use dump argument.
10271 * mode-switching.c (optimize_mode_switching): Ditto.
10272 * modulo-sched.c (stats_file): Removed.
10273 (print_node_sched_params): Do not call argument dump_file.
10274 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10275 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10276 of stats_file.
10277 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10278 use dump argument.
10279 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10280 rtl_loop_init, rtl_loop_done): Ditto.
10281 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10282 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10283 Ditto.
10284 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10285 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10286 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10287 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10288 * emit-rtl.c (renumber_insns): Ditto.
10289 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10290 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10291 * regclass.c (regclass): Ditto.
10292 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10293 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10294 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10295 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10296 Ditto.
10297 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10298 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10299 to regclass.
10300 * gcse.c (gcse_file, debug_stderr): Removed.
10301 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10302 rest_of_handle_gcse): Do not use dump argument.
10303 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10304 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10305 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10306 compute_code_hoist_vbeinout, compute_code_hoist_data,
10307 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10308 compute_store_table, build_store_vectors, insert_insn_start_bb,
10309 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10310 store_motion): Use dump_file instead of gcse_file.
10311 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10312 * profile.c (profile_dump_file): Removed.
10313 (branch_prob): Use dump_file instead of profile_dump_file.
10314 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10315 dump_file.
10316 * tree-ssa-copy.c (dump_copy_of): Ditto.
10317 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10318 dump file to life_analysis.
10319 * bt-load.c (branch_target_load_optimize): Ditto.
10320 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10321 renumber_insns.
10322 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10323 regclass, dbr_schedule): Declaration changed.
10324 * sched-int.h (sched_init): Declaration changed.
10325 * tree-profile.c (tree_profile_dump_file): Removed.
10326 (tree_profile_hooks): Removed profile_dump_file hook.
10327 * rtl-profile (rtl_profile_dump_file): Removed.
10328 (rtl_profile_hooks): emoved profile_dump_file hook.
10329 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10330 changed.
10331 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10332 * tree-cfg.c (build_tree_cfg): Ditto.
10333 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10334 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10335 Declaration changed.
10336 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10337 life_analysis and schedule_insns.
10338 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10339 life_analysis.
10340 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10341 dbr_schedule.
10342 * config/mips/mips.c (mips_reorg): Ditto.
10343 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10344 schedule_ebbs.
10346 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10348 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10349 (s390_mangle_fundamental_type): New.
10350 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10351 Define.
10353 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10354 (alpha_mangle_fundamental_type): New.
10355 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10356 Define.
10358 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10359 Define.
10360 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10361 Define.
10362 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10363 (sparc_mangle_fundamental_type): New.
10365 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10367 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10368 (s390x-*-linux*): Likewise.
10369 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10370 * config/s390/t-linux: New file.
10372 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10374 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10375 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10377 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10379 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10380 (ANTIC_SAFE_LOADS): New macro.
10381 (find_or_generate_expression): Add prototype.
10382 (set_contains_value): Allow null set for sake of not always having
10383 to allocate ANTIC_SAFE_LOADS.
10384 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10385 Allow COMPONENT_REF too.
10386 (valid_in_set): Allow COMPONENT_REF.
10387 Check ANTIC_SAFE_LOADS too.
10388 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10389 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10390 rename.
10391 (can_PRE_operation): Add COMPONENT_REF.
10392 (create_component_ref_by_pieces): New function.
10393 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10394 (insert_aux): Move AGGREGATE_TYPE_P check here.
10395 (compute_avail): Set bb local stmt uids.
10396 (pass_pre): Use TODO_update_ssa_only_virtuals.
10398 2006-02-06 Ben Elliston <bje@au.ibm.com>
10400 * configure.ac: Unconditionally disable decimal float by default.
10401 * configure: Regenerate.
10403 2006-02-06 Ben Elliston <bje@au.ibm.com>
10405 * read-rtl.c (read_name): Terminate reading on EOF.
10407 2006-02-06 Ben Elliston <bje@au.ibm.com>
10409 * dfp.c (decimal_real_arithmetic): Change second argument type
10410 from int to enum tree_code. Do not always return true, but now
10411 return result of any call to decimal_do helper functions.
10412 * dfp.h (decimal_real_arithmetic): Update prototype.
10414 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10416 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10418 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10420 PR tree-opt/25251
10421 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10422 forced labels.
10424 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10426 * tree-vrp.c (cfg_loops): Removed.
10427 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10428 Use current_loops instead of cfg_loops. Pass flags to
10429 loop_optimizer_init.
10430 * cfgloopmanip.c (fix_loop_structure): Update only available
10431 information.
10432 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10433 loop_optimizer_init.
10434 * modulo-sched.c (build_loops_structure): Removed.
10435 (sms_schedule): Use loop_optimizer_init.
10436 * loop-init.c (loop_optimizer_init): Use flags to determine
10437 which properties of loops to prepare.
10438 (rtl_loop_init): Pass flags to loop_optimizer_init.
10439 * tree-ssa-sink.c (execute_sink_code): Ditto.
10440 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10441 * tree-ssa-pre.c (init_pre): Ditto.
10442 * cfgloop.h (LOOPS_NORMAL): New.
10443 (loop_optimizer_init): Declaration changed.
10445 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10447 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10448 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10449 pa/t-pa.
10450 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10451 pa/t-pa.
10452 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10453 pa/x-ada.
10454 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10455 * pa/t-pa64: Delete quadlib.c rule.
10456 * pa/x-ada: Revert last change.
10457 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10459 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10461 PR rtl-optimization/26087
10462 * rtlanal.c (canonicalize_condition): Do not cross basic block
10463 boundaries.
10465 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10467 PR debug/24444
10468 * config/ia64/ia64.c: Include debug.h.
10469 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10470 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10471 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10472 (process_epilogue, process_set, process_for_unwind_directive):
10473 Output unwind info only if requested. Add CFA info if requested.
10474 Add new arguments as needed. Adjust callers.
10475 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10476 incorrect default.
10477 (DWARF2_FRAME_INFO): Define to zero.
10478 * config/ia64/unwind-ia64.c: Remove code that compensated for
10479 the CFA offset error fixed above.
10480 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10481 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10482 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10483 -funwind-tables and -fexceptions to enable frame info.
10484 (dwarf2out_frame_init): Define initial CFA even if
10485 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10486 DWARF2_UNWIND_INFO is nonzero, not just defined.
10487 (dwarf2out_frame_finish): Output non-EH call frame info only
10488 if DWARF2_FRAME_INFO is nonzero.
10489 (convert_cfa_to_loc_list,
10490 compute_frame_pointer_to_cfa_displacement): Define even if
10491 unwind info is not supported.
10492 (gen_subprogram_die): Use the above unconditionally. Remove
10493 legacy alternate code.
10494 * toplev.c (compile_file): Compile in call to
10495 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10496 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10498 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10499 Jakub Jelinek <jakub@redhat.com>
10501 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10502 IBM extended float format long double as "g" on powerpc*-linux.
10504 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10506 PR target/25926
10507 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10508 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10510 2006-02-03 Jason Merrill <jason@redhat.com>
10512 PR c++/25979
10513 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10515 PR middle-end/25977
10516 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10517 on the return slot if it's an NRV.
10519 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10521 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10522 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10523 rewrite_use): Do not handle USE_OUTER.
10524 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10525 add_iv_outer_candidates, may_replace_final_value,
10526 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10527 (find_interesting_uses_op): Functionality of
10528 find_interesting_uses_outer_or_nonlin moved here.
10529 (find_interesting_uses_outside): Use find_interesting_uses_op.
10531 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10533 PR target/25960
10534 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10536 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10537 Ulrich Weigand <uweigand@de.ibm.com>
10539 PR target/25864
10540 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10541 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10542 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10543 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10544 and dxr fields.
10545 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10546 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10547 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10548 Define secondary reloads for TFmode moves.
10549 (constant_modes): Add TFmode.
10550 (NR_C_MODES): Set to 8.
10551 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10552 builtin define.
10553 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10554 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10555 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10556 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10557 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10558 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10559 (FPR mode macro): Add TFmode.
10560 (DSF mode macro): New.
10561 (<de>, <dee> mode attributes): Removed.
10562 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10563 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10564 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10565 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10566 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10567 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10568 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10569 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10570 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10571 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10572 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10573 "*negabs<mode>2", "sqrt<mode>2"):
10574 Changed <de> to <xde>. R constraint replaced by <Rf>.
10575 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10576 <Rf>.
10577 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10578 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10579 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10580 splitters.
10581 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10582 "extenddftf2", "extendsftf2"): New expanders.
10583 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10584 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10585 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10586 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10587 New options.
10588 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10589 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10590 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10591 __floatditf): Add a GCC_4.1.0 symbol version tag.
10592 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10593 the new options.
10595 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10597 PR target/25377
10598 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10599 Use targetm.binds_local_p instead of TREE_PUBLIC.
10601 2006-02-02 Roger Sayle <roger@eyesopen.com>
10603 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10604 on INTEGER_TYPEs to indicate that it denotes a character type.
10605 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10606 signed_char_type_node, unsigned_char_type_node and char_type_node.
10607 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10608 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10609 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10611 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10612 Daniel Berlin <dberlin@dberlin.org>
10614 * tree-tailcall.c (arg_needs_copy_p): New function.
10615 (eliminate_tail_call): Use arg_needs_copy_p.
10616 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10617 (add_virtual_phis): New function.
10619 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10621 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10622 #ignore instead of #scratch for %g7 .register directive.
10624 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10626 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10627 object files.
10629 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10631 * flow.c (calculate_global_regs_live): Assert that there aren't any
10632 EDGE_FAKE edges.
10634 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10636 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10637 what its name says.
10638 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10639 bsi_after_labels iterator.
10640 * tree-if-conv.c (find_phi_replacement_condition,
10641 replace_phi_with_cond_modify_expr): Likewise.
10642 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10643 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10645 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10647 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10649 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10651 PR 25990
10652 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10653 array after growing it.
10655 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10657 PR middle-end/24901
10658 * fold-const.c (fold_checksum_tree): Change type of buf.
10660 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10662 * reload.c (push_secondary_reload): Initialize t_icode.
10664 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10666 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10667 -msoft-float -mlong-double-128 only issue a warning, but don't
10668 swich to DFmode long double.
10670 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10672 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10673 has a constant equivalent, iterate over equivalents for arg0,
10674 calling simplify_relational_operation and if there's a result
10675 cheaper than X, apply fold_rtx and return the result.
10677 2006-02-01 Jan Hubicka <jh@suse.cz>
10679 * opts.c (no_unit_at_a_time_default): New global variable.
10680 (decode_options): Use it.
10681 * opts.h (no_unit_at_a_time_default): Declare.
10683 2006-02-01 Paul Brook <paul@codesourcery.com>
10685 * function.c (assign_parm_setup_reg): Use function argument promotion
10686 rules.
10687 * expr.c (expand_expr_real_1): Use function argument promotion rules
10688 for PARM_DECLs.
10690 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10692 * gcc.c (process_command): Change j to 'unsigned int'.
10694 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10696 PR middle-end/26001
10697 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10698 Use the corrected index for the character
10699 out of the string constant.
10701 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10703 * mode-switching.c (optimize_mode_switching): Fix size
10704 allocated for bb_info[n_entities].
10706 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10708 * gcc.c (main): Correct type that is allocated for
10709 explicit_link_files.
10711 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10713 * config/s390/s390.c (init_alignment_context): Set
10714 ALIAS_SET_MEMORY_BARRIER on the MEM.
10715 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10717 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10719 PR middle-end/25933
10720 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10721 dom_bbs pointer.
10722 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10723 call to tpa_init.
10725 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10727 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10728 * regrename.c: Ditto.
10729 * tree-ssa-loop-im.c: Ditto.
10730 * tree-dump.c: Ditto.
10731 * tree-complex.c: Ditto.
10732 * genrecog.c: Ditto.
10733 * tree-ssa-threadupdate.c: Ditto.
10734 * tracer.c: Ditto.
10735 * java/class.c: Ditto.
10736 * java/jcf-parse.c: Ditto.
10737 * java/resource.c: Ditto.
10738 * java/except.c: Ditto.
10739 * java/jvspec.c: Ditto.
10740 * java/jcf-write.c: Ditto.
10741 * java/jcf-path.c: Ditto.
10742 * java/gjavah.c: Ditto.
10743 * java/zextract.c: Ditto.
10744 * java/jcf-io.c: Ditto.
10745 * java/jcf.h: Ditto.
10746 * java/buffer.c: Ditto.
10747 * java/lang.c: Ditto.
10748 * java/parse-scan.y: Ditto.
10749 * java/lex.c: Ditto.
10750 * java/lex.h: Ditto.
10751 * cfgloopmanip.c: Ditto.
10752 * postreload-gcse.c: Ditto.
10753 * tree-ssa-loop-manip.c: Ditto.
10754 * postreload.c: Ditto.
10755 * tree-ssa-loop-ch.c: Ditto.
10756 * loop.c: Ditto.
10757 * ipa-cp.c: Ditto.
10758 * cppspec.c: Ditto.
10759 * diagnostic.c: Ditto.
10760 * final.c: Ditto.
10761 * genoutput.c: Ditto.
10762 * gcc.c: Ditto.
10763 * cfghooks.c: Ditto.
10764 * cfgloopanal.c: Ditto.
10765 * objc/objc-act.c: Ditto.
10766 * gcov.c: Ditto.
10767 * genextract.c: Ditto.
10768 * genautomata.c: Ditto.
10769 * pretty-print.c: Ditto.
10770 * genemit.c: Ditto.
10771 * cgraphunit.c: Ditto.
10772 * flow.c: Ditto.
10773 * df-scan.c: Ditto.
10774 * haifa-sched.c: Ditto.
10775 * dominance.c: Ditto.
10776 * dbxout.c: Ditto.
10777 * tree-ssa-loop-ivopts.c: Ditto.
10778 * df-core.c: Ditto.
10779 * mode-switching.c: Ditto.
10780 * modulo-sched.c: Ditto.
10781 * graph.c: Ditto.
10782 * ipa-pure-const.c: Ditto.
10783 * cse.c: Ditto.
10784 * fix-header.c: Ditto.
10785 * web.c: Ditto.
10786 * tree-stdarg.c: Ditto.
10787 * ipa-utils.c: Ditto.
10788 * loop-init.c: Ditto.
10789 * ipa-inline.c: Ditto.
10790 * cfganal.c: Ditto.
10791 * global.c: Ditto.
10792 * alloc-pool.c: Ditto.
10793 * dwarf2out.c: Ditto.
10794 * opts.c: Ditto.
10795 * genattrtab.c: Ditto.
10796 * tree-ssa-loop-ivcanon.c: Ditto.
10797 * predict.c: Ditto.
10798 * timevar.c: Ditto.
10799 * lcm.c: Ditto.
10800 * fortran/gfortranspec.c: Ditto.
10801 * regmove.c: Ditto.
10802 * local-alloc.c: Ditto.
10803 * langhooks.c: Ditto.
10804 * function.c: Ditto.
10805 * tree-vectorizer.c: Ditto.
10806 * gcse.c: Ditto.
10807 * ipa-type-escape.c: Ditto.
10808 * alias.c: Ditto.
10809 * tree-if-conv.c: Ditto.
10810 * profile.c: Ditto.
10811 * ipa.c: Ditto.
10812 * tree-data-ref.c: Ditto.
10813 * loop-unroll.c: Ditto.
10814 * treelang/treetree.c: Ditto.
10815 * calls.c: Ditto.
10816 * bt-load.c: Ditto.
10817 * ggc-common.c: Ditto.
10818 * except.c: Ditto.
10819 * coverage.c: Ditto.
10820 * cselib.c: Ditto.
10821 * tree-cfgcleanup.c: Ditto.
10822 * tree-ssa-pre.c: Ditto.
10823 * cfgcleanup.c: Ditto.
10824 * loop-invariant.c: Ditto.
10825 * loop-iv.c: Ditto.
10826 * ipa-prop.c: Ditto.
10827 * print-tree.c: Ditto.
10828 * conflict.c: Ditto.
10829 * ggc-page.c: Ditto.
10830 * sched-deps.c: Ditto.
10831 * regclass.c: Ditto.
10832 * tree-object-size.c: Ditto.
10833 * combine.c: Ditto.
10834 * bb-reorder.c: Ditto.
10835 * resource.c: Ditto.
10836 * var-tracking.c: Ditto.
10837 * cfgloop.c: Ditto.
10838 * df-problems.c: Ditto.
10839 * reg-stack.c: Ditto.
10840 * tlink.c: Ditto.
10841 * gccspec.c: Ditto.
10842 * sched-rgn.c: Ditto.
10843 * tree-ssa-structalias.c: Ditto.
10844 * tree-ssa-reassoc.c: Ditto.
10845 * config/darwin-c.c: Ditto.
10846 * config/darwin.c: Ditto.
10847 * config/arm/arm.c: Ditto.
10848 * cfgrtl.c: Ditto.
10849 * collect2.c: Ditto.
10850 * reload1.c: Ditto.
10852 2006-01-31 Nicolas Pitre <nico@cam.org>
10854 * arm.md (smaxsi3): Make aware of smax_m1.
10855 (smax_m1): New.
10857 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10859 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10861 2006-01-31 Richard Guenther <rguenther@suse.de>
10863 * doc/invoke.texi (-msselibm): Document.
10864 * target.h (expand_library_builtin): New target hook.
10865 * builtins.c (expand_builtin): Use expand_library_builtin.
10866 (default_expand_library_builtin): New function.
10867 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10868 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10869 (link_gcc_math_spec): Declare.
10870 (static_specs): Add link_gcc_math_spec.
10871 * expr.h (default_expand_library_builtin): Declare.
10872 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10873 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10874 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10875 * config/i386/i386.opt (msselibm): New target option.
10876 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10877 (ix86_init_sse_abi_builtins): New function.
10878 (ix86_expand_library_builtin): Likewise.
10879 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10880 (override_options): Handle error conditions wrt -msselibm.
10881 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10882 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10883 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10884 builtins.
10886 2006-01-31 Richard Guenther <rguenther@suse.de>
10887 Paolo Bonzini <bonzini@gnu.org>
10889 * doc/install.texi (--disable-libgcc-math): Document.
10891 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10893 * expr.h (expand_normal): new inline function.
10894 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10895 * dojump.c: use it.
10896 * dwarf2out.c: use it.
10897 * expr.c: use it.
10898 * calls.c: use it.
10899 * expmed.c: use it.
10900 * except.c: use it.
10901 * config/sparc/sparc.c: use it.
10902 * config/i386/i386.c: use it.
10903 * config/rs6000/rs6000.c: use it.
10904 * config/arm/arm.c: use it.
10905 * config/mips/mips.c: use it.
10906 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10908 2006-01-30 Roger Sayle <roger@eyesopen.com>
10910 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10911 argv to the appropriate type.
10913 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10915 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10916 unreachable code.
10918 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10920 PR target/26018
10921 * config/s390/s390.c (struct machine_function): New flag
10922 decomposed_literal_pool_addresses_ok_p.
10923 (s390_reorg): Set it before final stage of literal pool transforms.
10924 (s390_decompose_address): Only accept displacements of the form
10925 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10927 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10929 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10930 the comparison routine return.
10932 2006-01-30 Michael Matz <matz@suse.de>
10934 * global.c (find_reg): Only evict for global regs.
10935 Take n_refs into account and dump more info.
10937 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10939 PR target/14798:
10940 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10941 (pragma_trap, pragma_nosave_low_regs): Likewise.
10942 (current_function_anonymous_args): Likewise.
10943 (sh_deferred_function_attributes): New variable.
10944 (sh_deferred_function_attributes_tail): Likewise.
10945 (print_operand): For '@', look up trap_exit attribute.
10946 (calc_live_regs): Look up trapa_handler attribute. For trapa
10947 handlers, save/restore fpscr, but don't do any other
10948 interrupt-specific saves.
10949 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10950 Fix check for partially saved registers to check for SHmedia.
10951 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10952 (sh_output_function_epilogue): Don't clear any of the removed
10953 variables.
10954 (sh_insert_attributes): Don't check pragma_interrupt.
10955 Insert deferred attributes. Check that interrupt attribute is
10956 present for other attributes that require its presence.
10957 (sh_attribute_table): Add new attributes trapa_handler and
10958 nosave_low_regs.
10959 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10960 Don't check for pragma_interrupt. Don't store argument.
10961 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10962 (sh_deferred_function_attributes): Declare.
10963 (sh_deferred_function_attributes_tail): Likewise.
10964 * sh.md (sp_switch_1): Add operand. Change generator caller.
10965 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10966 (*return_i): Don't use when trap_exit attribute is in effect.
10967 (*return_trapa): New insn pattern.
10968 * sh-c.c: New file.
10969 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10970 setting c_target_objs and cxx_target_objs.
10971 * t-sh: Add rule for sh-c.o.
10973 2006-01-30 Richard Guenther <rguenther@suse.de>
10975 PR c++/23372
10976 * gimplify.c (gimplify_target_expr): Handle easy cases
10977 without creating a temporary.
10979 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10981 * vec.h (safe_grow): Remove duplicated line.
10983 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10985 PR 25874
10986 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10987 (expand_omp): ... here.
10988 (expand_omp_parallel): Only remove barriers for combined
10989 parallel+workshare constructs.
10991 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10993 Revert
10995 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10996 * tree.c (build_qualified_type): Chain the new type to the original
10997 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10998 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10999 (build_pointer_type_for_mode): Only return unqualified types.
11000 (build_reference_type_for_mode): Likewise.
11002 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11004 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11005 * Makefile.in (CXX_COMPAT_WARN): Define.
11006 * configure: Regenerate.
11008 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11010 PR tree-opt/25911
11011 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11012 to an if check.
11014 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11016 * toplev.c: Fix thinko.
11018 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11019 Marcin Dalecki <martin@dalecki.de>
11021 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11022 (push_srcloc): Use XNEW.
11023 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11025 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11027 * df-core.c (df_set_blocks): Deleted all variable.
11029 2006-01-28 Ian Lance Taylor <ian@airs.com>
11031 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11032 cgraph_output_pending_asms.
11034 2006-01-28 Zack Weinberg <zackw@panix.com>
11036 * c.opt: Add -W(no-)overlength-strings.
11037 * doc/invoke.texi: Document it.
11038 * c-opts.c (c_common_handle_option): -pedantic implies
11039 -Woverlength-strings, if not explicitly disabled already.
11040 (c_common_post_options): -Woverlength-strings defaults to off, and
11041 is always off for C++.
11042 * c-common.c (fix_string_type): Issue warning about strings longer
11043 than is portable only if warn_overlength_strings. Rearrange code
11044 a little for clarity.
11045 * configure.in: Check for -Wno-overlength-strings as well before
11046 enabling -pedantic in stage 1.
11047 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11048 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11050 * genconditions.c (write_header, write_one_condition)
11051 (write_conditions, write_writer): Consolidate very long strings
11052 that were broken up to fit in C89 portable limit. Don't use
11053 printf when fputs will do.
11055 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11057 * combine.c (simplify_comparison <AND>): Check
11058 TRULY_NOOP_TRUNCATION before start using a subreg.
11060 * config/mips/mips.md (*branch_zero<mode>,
11061 *branch_zero<mode>_inverted, *branch_equality<mode>,
11062 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11063 Remove mode check from comparisons.
11065 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11067 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11069 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11071 * expmed.c (const_mult_add_overflow_p): Remove.
11072 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11074 * recog.c (validate_replace_rtx_subexp): Remove.
11075 * recog.h: Remove the prototype for
11076 validate_replace_rtx_subexp.
11078 * integrate.h: Remove the prototype for
11079 copy_decl_for_inlining.
11080 * rtl.h: Remove the prototype for mark_constant_function.
11081 * tree-vectorizer.h: Remove the prototype for
11082 vect_strip_conversion.
11084 * modulo-sched.c (create_partial_schedule,
11085 free_partial_schedule, reset_partial_schedule): Make them
11086 static.
11088 * hooks.c (hook_bool_rtx_int_false): Remove.
11089 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11091 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11093 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11094 and -mlong-double-128 are incompatible.
11095 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11096 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11097 (TARGET_LIBGCC2_CFLAGS): Define.
11098 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11099 (TARGET_LIBGCC2_CFLAGS): Same.
11100 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11102 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11104 PR c/19606.
11105 * c-typeck.c (build_binary_op): Perform implicit casts of
11106 operands before shortening them.
11108 * cfgloopmanip.c (split_loop_bb): Remove.
11109 * cfgloop.h: Remove the prototype for split_loop_bb.
11111 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11112 * cfgloop.h: Remove the prototype for
11113 flow_loop_outside_edge_p.
11115 * emit-rtl.c (init_virtual_regs): Make it static.
11116 * function.h: Remove the prototype for init_virtual_regs.
11118 * recog.c (peephole2_optimize): Make it static.
11119 * recog.h: Remove the prototype for peephole2_optimize.
11121 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11123 * df-scan.c (df_record_entry_block_defs): Check if
11124 INCOMING_RETURN_ADDR_RTX is defined.
11126 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11127 Kenneth Zadeck <zadeck@naturalbridge.com>
11129 PR rtl-optimization/24762
11130 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11131 * targhooks.c (hook_void_bitmap): New hook prototype.
11132 * targhoohs.h (hook_void_bitmap): Ditto.
11133 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11134 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11135 * target.h (live_on_entry): New function pointer.
11136 * df-scan.c (df_all_hard_regs): Removed.
11137 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11138 (df_scan_free_internal): Added df->entry_block_defs.
11139 (df_scan_alloc): Ditto.
11140 (df_scan_dump): Ditto.
11141 (df_uses_record): Plumbed flag field properly thru calls.
11142 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11143 This part fixes PR24762.
11144 (df_bb_refs_record): Added code to make the frame and arg
11145 pointers live in EH blocks.
11146 (df_refs_record): Added call to df_record_entry_block_defs.
11147 (df_record_entry_block_defs): New function.
11148 * df-core.c: Added comments to describe new artifical defs.
11149 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11150 (entry_block_defs): New field in struct df.
11151 (df_all_hard_regs): Deleted.
11152 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11153 * df-problems.c (df_ru_bb_local_compute_process_def):
11154 Added code to handle artifical defs in the entry to a function.
11155 (df_ru_bb_local_compute): Ditto.
11156 (df_rd_bb_local_compute_process_def): Ditto.
11157 (df_rd_bb_local_compute): Ditto.
11158 (df_lr_bb_local_compute): Ditto.
11159 (df_ur_bb_local_compute): Ditto.
11160 (df_urec_bb_local_compute): Ditto.
11161 (df_chain_create_bb): Ditto.
11162 (df_ur_local_finalize): Removed entry.
11163 (df_urec_init): Ditto.
11164 (df_urec_local_finalize): Ditto.
11165 (df_ri_bb_compute): Added detection of last use of pseudos.
11166 * Makefile.in (df-scan.o): Updated dependencies.
11167 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11168 * config/mips/mips.c (mips_set_live_on_entry): Added.
11169 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11170 for target hook.
11171 * dce.c (marked_insn_p): Added code to handle artifical defs.
11173 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11175 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11176 intrinsic.
11177 (_mm_cvtsi128_si64): Likewise.
11178 (_mm_cvtsd_si64): Likewise.
11179 (_mm_cvttsd_si64): Likewise.
11180 (_mm_cvtsi64_sd): Likewise.
11181 (_mm_cvtsi64_si128): Likewise.
11182 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11183 (_mm_cvtsi64_m64): Likewise.
11184 (_m_to_int64): Likewise.
11185 (_mm_cvtm64_si64): Likewise.
11186 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11187 (_mm_cvttss_si64): Likewise.
11188 (_mm_cvtsi64_ss): Likewise.
11189 (_mm_cvtss_f32): Likewise.
11191 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11193 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11194 for pragma redefine_extname.
11196 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11198 PR target/25864
11199 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11200 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11201 -mno-minimal-toc to previous content.
11202 (bispecs): Remove goal.
11203 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11204 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11205 compatibility aliases on powerpc-*-*gnu*.
11206 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11207 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11208 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11209 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11210 (ldblspecs): New goal.
11211 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11212 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11213 _df_to_tf.
11214 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11215 L_sf_to_tf or L_df_to_tf is defined.
11217 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11218 Alan Modra <amodra@bigpond.net.au>
11220 PR target/25864
11221 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11222 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11223 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11224 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11225 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11226 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11227 (rs6000_override_options): Initialize rs6000_ieeequad.
11228 Initialize TFmode format to ibm_extended_format if not
11229 TARGET_IEEEQUAD.
11230 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11231 ieeelongdouble.
11232 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11233 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11234 (function_arg_advance): IBM long double passed in two FPRs, not
11235 split.
11236 (function_arg): IBM long double passed in FPRs.
11237 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11238 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11239 Only multireg GPR aligned.
11240 (rs6000_init_libfuncs): Enable IBM long double functions if not
11241 IEEEQUAD.
11242 (rs6000_generate_compare): Use IBM long double compare if not
11243 TARGET_IEEEQUAD.
11244 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11245 (TARGET_IEEEQUAD): Define.
11246 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11247 not TARGET_IEEEQUAD.
11248 * config/rs6000/rs6000.md: Enable TFmode patterns if
11249 !TARGET_IEEEQUAD.
11250 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11251 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11252 and -mlong-double-128 are incompatible.
11253 * doc/invoke.texi (-mabi): Collect options together. Add
11254 ibmlongdouble and ieeelongdouble.
11256 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11258 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11259 opaque type.
11260 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11261 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11262 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11263 * rtl.h (rtunion_def): Remove rt_ptr.
11264 (X0PTR): Delete.
11265 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11266 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11267 * config/i386/winnt.c (i386_pe_mark_dllexport)
11268 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11270 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11272 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11274 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11276 PR other/24829
11277 PR target/24831
11278 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11279 pthread_key_delete. From John David Anglin. gthrw-ify
11280 pthread_getunique_np only if it it's not a macro. Delete
11281 UNUSED macro.
11282 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11283 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11284 __gthread_objc_condition_signal, __gthread_key_delete): Add
11285 "__attribute__ ((__unused__))" to unused arguments.
11286 (__gthread_recursive_mutex_init_function): Add missing return.
11287 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11288 gthr-posix95.h: Use macro-based approach for name redirection
11289 on targets missing weakref.
11291 2006-01-26 Zack Weinberg <zackw@panix.com>
11293 * genconditions.c (write_header): In generated code, #ifdef out
11294 all includes and fake declarations, except includes of bconfig.h
11295 and system.h, unless GCC_VERSION >= 3001. Do not include
11296 gensupport.h in any case.
11297 (write_conditions): Generate a definition of struct c_test. Add
11298 a comment to the generated #endif.
11299 (write_one_condition): Escape backslashes in string too.
11300 (write_writer): Generated code must escape backslashes and quote
11301 marks (but not newlines) in the strings it writes.
11302 * Makefile.in (build/gencondmd.o): Update dependencies.
11304 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11306 PR target/25961
11307 * Makefile.in (insn-automata.o): Add header file dependencies.
11308 * genautomata.c: Add includes.
11310 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11312 PR target/25961
11313 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11315 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11317 * configure.ac: Expect target tools paths to be passed from the toplevel
11318 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11319 AS_SET_VAR_IF.
11320 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11322 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11324 PR c/25892
11325 * c.opt (Wpointer-sign): Init to -1.
11326 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11327 OPT_pedantic, to 0 otherwise.
11328 * doc/invoke.texi: Update.
11330 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11332 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11333 constants provided by 80387 instructions in the destination mode.
11335 2006-01-26 Richard Guenther <rguenther@suse.de>
11336 Andrew Pinski <pinskia@physics.uc.edu>
11338 PR tree-opt/21470
11339 partial PR tree-opt/17064
11340 * tree-ssa-structalias.c (intra_create_variable_infos):
11341 Create heap variables for incoming parameters if
11342 flag_argument_noalias > 1.
11343 (find_what_p_points_to): Look through default defs of
11344 parameter decls.
11346 2006-01-26 Jeff Law <law@redhat.com>
11348 PR ada/25900
11349 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11350 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11351 within the VR_RANGE, use the VR_RANGE as the result, not the
11352 VR_ANTI_RANGE.
11353 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11354 bounds for the type.
11356 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11358 * tree-ssa-alias.c (maybe_create_global_var): Change
11359 subvar walking to an assertion that we don't have subvar'd variables.
11361 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11363 PR C/25861
11364 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11365 Use a new variable, inner. PARM_DECLs are always non-weak.
11367 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11369 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11370 --disable-checking.
11372 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11374 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11376 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11378 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11379 (smax_insn, smin_insn, smax_0, smin_0): New.
11381 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11383 PR target/25947
11384 * config/cris/cris.c (cris_order_for_addsi3): New function.
11385 * config/cris/cris-protos.h: Prototype it.
11386 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11387 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11388 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11389 (split for "op.S1 [rx=rx+i],ry (swapped)")
11390 (split for "op(s|u).S1 [rx=rx+i],ry")
11391 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11392 Apply cris_order_for_addsi3 when generating addsi3 insns.
11394 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11396 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11397 (TREE_BLOCK): Add call to EXPR_CHECK.
11399 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11401 PR 25886
11402 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11403 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11404 (dump_omp_clauses): ... here.
11405 (dump_generic_node): Handle OMP_CLAUSE.
11406 * tree.c (omp_clause_num_ops): New.
11407 (omp_clause_code_name): New.
11408 (tree_code_size): Handle OMP_CLAUSE.
11409 (tree_size): Likewise.
11410 (make_node): Document handling of OMP_CLAUSE.
11411 (tree_node_structure): Handle OMP_CLAUSE.
11412 (omp_clause_check_failed): New.
11413 (omp_clause_range_check_failed): New.
11414 (omp_clause_operand_check_failed): New.
11415 (build_omp_clause): New.
11416 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11417 * tree.h (enum omp_clause_code): Declare.
11418 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11419 (OMP_CLAUSE_RANGE_CHECK): Define.
11420 (OMP_CLAUSE_ELT_CHECK): Define.
11421 (omp_clause_check_failed): Declare.
11422 (omp_clause_operand_check_failed): Declare.
11423 (omp_clause_range_check_failed): Declare.
11424 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11425 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11426 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11427 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11428 (OMP_CLAUSE_IF_EXPR): Likewise.
11429 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11430 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11431 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11432 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11433 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11434 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11435 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11436 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11437 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11438 (OMP_CLAUSE_CODE): Define.
11439 (OMP_CLAUSE_SET_CODE): Define.
11440 (OMP_CLAUSE_CODE): Define.
11441 (OMP_CLAUSE_OPERAND): Define.
11442 (struct tree_omp_clause): Declare.
11443 (union tree_node): Add field 'omp_clause'.
11444 * treestruct.def (TS_OMP_CLAUSE): Define.
11445 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11446 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11447 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11448 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11449 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11450 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11451 (OMP_CLAUSE): Define.
11452 * print-tree.c (print_node): Handle OMP_CLAUSE.
11453 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11454 * c-typeck.c: Likewise.
11455 * gimplify.c: Likewise.
11456 * c-omp.c: Likewise.
11457 * tree-nested.c: Likewise.
11458 * tree-inline.c: Likewise.
11459 * c-parser.c: Likewise.
11460 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11461 clauses.
11463 2006-01-25 Roger Sayle <roger@eyesopen.com>
11465 PR rtl-optimization/25703
11466 * combine.c (try_combine): Handle zero_extract and strict_low_part
11467 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11469 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11471 * global.c: Fix comment typos.
11473 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11475 PR target/25758
11476 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11477 Use output_addr_const instead of assemble_name.
11479 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11481 * Makefile.in (sched-vis.o): Update dependencies.
11482 * haifa-sched.c (sched_finish): Clear current_sched_info.
11483 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11484 (dump_flow_info): Call it.
11485 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11486 a slim RTL dump.
11487 * basic-block.h (dump_bb_info): Declare.
11488 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11489 option, and apply options only for dump files whose TDF_RTL,
11490 TDF_TREE, or TDF_IPA bits match.
11491 * rtl.h: Declare new functions exported from sched-vis.c.
11492 * sched-vis.c: Enable also if scheduling is not used.
11493 (print_value): Print the mode of registers if not inside scheduling.
11494 (print_insn): Make it work outside the scheduler. Beautify the output
11495 a bit.
11496 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11498 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11500 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11501 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11502 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11503 depending on the value of CONSTANT_POOL_ADDRESS_P.
11504 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11505 SYMBOL_REF_DECL.
11506 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11507 rather than SYMBOL_REF_DECL.
11508 (rtx_constant_pool): Remove const_rtx_sym_htab.
11509 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11510 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11511 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11512 Remove handling of const_rtx_sym_htab.
11513 (find_pool_constant): Delete.
11514 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11515 rather than find_pool_constant.
11516 (get_pool_constant_for_function): Delete.
11517 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11518 find_pool_constant.
11519 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11520 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11521 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11522 (SYMBOL_REF_CONSTANT): New macro.
11523 (get_pool_constant_for_function): Delete.
11524 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11525 rather than SYMBOL_REF_DECL.
11526 (i386_pe_mark_dllimport): Likewise.
11527 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11528 rather than SYMBOL_REF_DECL.
11529 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11530 (machopic_indirect_call_target): Likewise.
11532 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11534 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11536 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11538 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11540 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11542 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11544 2006-01-24 David Daney <ddaney@avtrex.com>
11546 PR java/25816
11547 * configure.ac (enable_tls): New enable option.
11548 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11549 * configure: Regenerate.
11550 * doc/install.texi (--enable-tls): Document new option.
11551 (--disable-tls): Ditto.
11553 2006-01-24 Richard Henderson <rth@redehat.com>
11555 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11556 * alias.c (true_dependence): Respect it.
11557 (canon_true_dependence, write_dependence_p): Likewise.
11558 * builtins.c (get_builtin_sync_mem): Set it.
11560 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11562 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11563 efficient way.
11565 2006-01-24 DJ Delorie <dj@redhat.com>
11567 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11568 for storing constants in single-bit bitfields.
11570 2006-01-25 Ben Elliston <bje@au.ibm.com>
11572 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11574 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11576 PR tree-opt/25860
11577 * tree-ssa-pre.c (phi_translate): Return NULL
11578 for AGGREGATE_TYPE's.
11580 2006-01-24 Zack Weinberg <zackw@panix.com>
11582 * genautomata.c (process_state_for_insn_equiv_partition):
11583 Use xcalloc for insn_arcs_array.
11584 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11585 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11587 2006-01-24 Richard Henderson <rth@redhat.com>
11589 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11590 update all callers.
11592 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11594 PR rtl-optimization/25890
11595 PR rtl-optimization/25905
11596 * combine.c (expand_compound_operation, expand_field_assignment):
11597 Fail if the bitfield's final position is out of bounds.
11599 2006-01-24 Ian Lance Taylor <ian@airs.com>
11601 PR middle-end/25930
11602 * cgraphunit.c (cgraph_output_in_order): Don't clear
11603 cgraph_asm_nodes until after asm strings have been output.
11605 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11607 * fix-header.c (read_scan_file): Add new parameter imultilib when
11608 calling register_include_chains.
11610 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11612 * omp-low.c: Update documentation.
11614 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11615 Daniel Berlin <dberlin@dberlin.org>
11617 PR tree-opt/25315
11618 PR tree-opt/25857
11619 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11620 return from the function.
11622 2006-01-22 Zack Weinberg <zackw@panix.com>
11624 * rtl.def (match_code): Add second argument.
11625 * genpreds.c (write_extract_subexp): New function.
11626 (write_match_code): Add path argument. Use write_extract_subexp.
11627 (write_predicate_expr): Pass path to write_match_code.
11628 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11629 not perform a mode test.
11630 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11631 a subexpression does not constrain the top-level code set.
11632 * read-rtl.c (read_rtx_variadic): New function.
11633 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11634 * doc/md.texi: Document new notation.
11635 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11636 (cmpsi_operand): ... here, using new notation.
11638 2006-01-22 Zack Weinberg <zackw@panix.com>
11640 * varray.c: Remove GENERATOR_FILE #ifdefs.
11642 2006-01-22 Zack Weinberg <zackw@panix.com>
11644 * genautomata.c (output_reserved_units_table): Emit nothing if
11645 description->query_units_num is zero. Remove extra blank line.
11646 (output_cpu_unit_reservation_p): Short circuit
11647 if description->query_units_num is zero.
11649 2006-01-22 Zack Weinberg <zackw@panix.com>
11651 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11652 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11653 nor any of the random handful of variables that used to be necessary
11654 when this program was linked with rtlanal.o. Prune set of forward
11655 function declarations.
11656 (struct attr_desc): Remove static_p field.
11657 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11658 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11659 (attr_string): Do not read the character one past the length of
11660 the string.
11661 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11662 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11663 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11664 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11665 (make_automaton_attrs): New.
11666 (main): Do not call into genautomata. Call local gen_bypass
11667 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11668 Remove special case for insn_alts.
11669 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11670 varray.h (leftover from previous change). Prune set of forward
11671 function declarations. Remove state_alts fields from all
11672 structures. Remove state_alts_table from struct automaton.
11673 Make everything except main static. Do not maintain num_dfa_decls.
11674 Do not maintain state_alts fields of various structures.
11675 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11676 (add_arc): Remove state_alts argument. All callers updated.
11677 (output_reserved_units_table): Emit #ifdef here...
11678 (output_tables): ...not here. Don't generate state_alts tables.
11679 (expand_automata): Don't generate attributes.
11680 (write_automata): Don't generate state_alts functions.
11681 (main): New function.
11682 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11683 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11684 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11685 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11686 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11687 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11688 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11689 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11690 Delete.
11691 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11692 * genattrtab.h: Delete file.
11693 * Makefile.in (OBJS-common): Add insn-automata.o.
11694 (insn-automata.o): New rule.
11695 (simple_generated_c): Add insn-automata.c.
11696 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11697 (genprogmd): Add automata.
11698 (build/genattrtab): Needs no extra objects nor libraries.
11699 (build/genautomata): Needs build/vec.o and -lm.
11701 2006-01-22 Zack Weinberg <zackw@panix.com>
11703 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11704 (output_dfa_max_issue_rate, locked_states_num): Delete.
11705 (struct automaton): Add locked_states field.
11706 (output_dead_lock_vect): Save number of locked states in
11707 automaton->locked_states. If it is zero, don't print anything.
11708 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11709 (output_internal_dead_lock_func): Only test the dead_lock_vect
11710 for automata that have locked states.
11711 (output_statistics): Always print the number of locked states for
11712 each automaton. Calculate total number of locked states here.
11713 (write_automata): Don't call output_dfa_max_issue_rate.
11714 * genattrtab.c: Define length_unit_log as a const variable.
11715 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11716 max_insn_queue_index const.
11717 * final.c (length_unit_log): Declare const.
11718 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11720 2006-01-22 Zack Weinberg <zackw@panix.com>
11722 * genautomata.c: Include vec.h, not varray.h.
11723 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11724 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11725 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11726 VEC_* macros operating on appropriately typed vectors, or to
11727 malloced arrays when the size is known in advance. Const-ify
11728 many char* variables and function arguments. No functional changes.
11729 * Makefile.in (build/varray.o): Delete rule.
11730 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11731 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11733 2006-01-22 Zack Weinberg <zackw@panix.com>
11735 * gensupport.c: Define get_insn_name and record_insn_name here.
11736 (read_md_rtx): Call record_insn_name as appropriate.
11737 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11738 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11739 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11740 record_insn_name.
11741 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11742 (BUILD_VARRAY): Delete.
11743 (genprognormal): Rename genprogmd. Fold in all programs from
11744 genprognoprint; also attrtab.
11745 (build/genattrtab): Just mention genautomata.o and varray.o.
11746 Reorganize a bit, add comments to make the categories clearer.
11748 2006-01-22 Zack Weinberg <zackw@panix.com>
11750 * genconditions.c (condition_table, add_condition): Delete.
11751 (write_conditions): Don't emit n_insn_conditions nor
11752 insn_elision_unavailable. Issue the gcc version #ifdef here,
11753 inside the table, with no #else clause ...
11754 (write_header): ...not here.
11755 (write_writer): New function.
11756 (main): Don't initialize condition_table. Use add_c_test.
11757 Call write_writer.
11758 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11759 files on the command line.
11760 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11761 Return -1 if there is no entry in the table, don't abort.
11762 (add_c_test, traverse_c_tests): New functions.
11763 * gensupport.h (insn_elision_unavailable, insn_conditions)
11764 (n_insn_conditions): Delete declarations.
11765 (add_c_test, traverse_c_tests): Declare.
11766 * read-rtl.c: Include gensupport.h.
11767 (read_conditions): New function.
11768 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11769 (read_rtx_1): If we get EOF when we were looking for an initial
11770 open paren, return 0. Call read_conditions when appropriate.
11771 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11772 dummy-conditions.o. Eliminate references to insn-conditions.o,
11773 or change them to build/gencondmd.o, as appropriate. Remove
11774 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11775 from $(simple_generated_c). For all files remaining in those
11776 two lists, add insn-conditions.md to the generator command line.
11777 Give insn-constants.h/s-constants their own rules. Add rules
11778 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11779 (build/read-rtl.o): Depend on gensupport.h.
11780 (genprognormal): Include preds.
11781 (genprogearly): Rename genprognoprint; only difference is now that
11782 they don't link with $(BUILD_PRINT).
11783 * dummy-conditions.c: Delete.
11785 2006-01-22 Zack Weinberg <zackw@panix.com>
11787 * genextract.c: Don't include insn-config.h. Do include vec.h.
11788 Declare vectors of int, char, and locstr.
11789 (locstr): New typedef.
11790 (struct extraction): Make all array fields into bare pointers.
11791 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11792 (insn_code_number): Delete.
11793 (accum_extract): New struct.
11794 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11795 (gen_insn): Take insn_code_number as an argument. Use an
11796 accum_extract structure instead of loading data directly into
11797 a struct extraction, and having to know how big it might get.
11798 (walk_rtx): Operate entirely on an accum_extract structure.
11799 (print_path): Avoid unnecessary use of printf.
11800 (print_header): New function, split out of main. Distinguish
11801 more carefully between an unrecognizable insn and an insn that
11802 has the code number of a define_expand.
11803 (main): Pass insn_code_number to gen_insn. Call print_header
11804 only after parsing. Avoid unnecessary use of printf.
11805 * Makefile.in (build/vec.o): New rule.
11806 (build/genextract): Depend on build/vec.o.
11807 (build/genextract.o): Don't depend on insn-config.h.
11809 2006-01-22 Zack Weinberg <zackw@panix.com>
11811 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11812 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11813 practical. Eliminate per-generator-program link rules.
11815 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11817 PR middle-end/24437
11818 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11819 with a call expr to ...
11820 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11822 2006-01-23 Richard Guenther <rguenther@suse.de>
11824 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11825 before make_edge with conditional EDGE_TRUE_VALUE.
11827 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11828 Jan Hubicka <jh@suse.cz>
11829 Richard Guenther <rguenther@suse.de>
11831 PR rtl-optimization/25654
11832 * cfgexpand.c (aggregate_contains_union_type): New function.
11833 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11834 for structure variables that contain a union type.
11836 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11838 * gengtype.c (new_structure): Return the structure.
11839 (create_option): Add an extra "next" argument.
11840 (create_field): New function.
11841 (adjust_field_rtx_def): Use create_option and create_field.
11842 Remove a now-unnecessary call to find_structure.
11843 (adjust_field_tree_def): Likewise.
11844 (note_yacc_type): Remove an unnecessary call to find_structure.
11845 * gengtype.h (new_structure): Return the structure.
11846 (create_option): Add an extra argument.
11847 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11848 (option): Adjust calls to create_option.
11850 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11852 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11854 2006-01-22 Paul Brook <paul@codesourcery.com>
11855 Peter Barada <peter@the-baradas.com>
11857 * config/m68k/m68k.md: Add Coldfire FPU support.
11858 Define FP mode macro and associated attributes.
11859 Use it for float mode patterns.
11860 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11861 (LIBCALL_VALUE): Use m68k_libcall_value.
11862 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11863 (m68k_function_value): Ditto.
11864 (emit_move_sequence): Ditto.
11865 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11866 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11867 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11868 (MULTILIB_EXCEPTIONS): Ditto.
11869 * config/m68k/m68k.opt: Add mcfv4e.
11870 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11871 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11872 (m68k_output_function_prologue): Save ColdFire FPU registers.
11873 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11874 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11875 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11876 ColdFire FPU registers.
11877 (m68k_libcall_value, m68k_function_value): New functions.
11878 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11879 (LIBCALL_VALUE): Use m68k_libcall_value.
11880 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11881 (MASK_COLDFIRE): Add MASK_CFV4E.
11882 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11883 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11884 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11885 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11886 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11887 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11888 * doc/invoke.tex: Document -mcfv4e on m68k.
11890 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11892 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11893 URL.
11895 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11897 PR c++/16190
11898 * c-opts.c (c_common_handle_option): Don't include
11899 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11900 * doc/invoke.texi (C++ Dialect Options): Document that
11901 -Wnon-virtual-dtor is no longer included in -Wall.
11903 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11905 * gcov.c (print_version), gcov-dump.c (print_version),
11906 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11907 dates.
11909 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11911 * df-scan.c (problem_SCAN): Added NULL reset function.
11912 (df_scan_reset_blocks): Added code to call reset block function
11913 (df_bb_refs_delete) Fixed comment.
11914 (df_insn_refs_delete): Made tolerant of deleting non existent info
11915 for dataflow problems that need to be reset.
11916 * df-core.c (df_set_blocks): Ditto.
11917 * df.h (struct df_problem): Added reset_fun.
11918 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11919 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11920 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11921 functions to clear out all references to def-use or use-def chains.
11923 2006-01-21 Ben Elliston <bje@au.ibm.com>
11925 * varasm.c (assemble_real): Initialise data array.
11927 2006-01-20 Paul Brook <paul@codesourcery.com>
11929 Merge from csl-arm-branch.
11930 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11931 * config/arm/arm.md (movdi): Force operands[1] to a register
11932 if we have a non-register source.
11933 (*arm_movdi, *movdf_soft_insn): Require that one of the
11934 operands be a register.
11935 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11936 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11938 2006-01-20 DJ Delorie <dj@redhat.com>
11940 * varasm.c (initializer_constant_valid_p): Allow pointers
11941 initialized from integer constants of lesser precision.
11942 (output_constant): Allow non-int-sized pointer modes to be
11943 initialized from integer constants.
11945 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11947 PR libstdc++/25524
11948 * cppdefault.h (struct default_include): Add multilib flag.
11949 * cppdefault.c (cpp_include_defaults): Set it.
11950 * c.opt (-imultilib): New option.
11951 * c-opts.c (imultilib): New.
11952 (c_common_handle_option): Handle -imultilib.
11953 (c_common_post_options): Likewise.
11954 * c-incpath.c (add_standard_paths, register_include_chains):
11955 Likewise.
11956 * c-incpath.h (register_include_chains): Add extra parameter.
11957 * gcc.c (do_spec_1): Generate -imultilib option.
11958 (The Specs Language): Update %I description.
11959 (process_command): Update copyright notice.
11960 * doc/cppopts.texi (-imultilib): Document.
11961 * doc/invoke.texi (-imultilib): Include in option summary.
11962 (%I): Update specs documentation.
11964 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11966 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11968 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11970 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11971 label numbers.
11973 2006-01-20 Richard Guenther <rguenther@suse.de>
11974 Steven Bosscher <stevenb.gcc@gmail.com>
11976 PR rtl-optimization/24626
11977 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11978 EDGE_TRUE_VALUE if in RTL mode.
11980 Revert
11981 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11982 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11984 2006-01-20 Dirk Mueller <dmueller@suse.com>
11986 PR c++/5520
11987 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11988 instead of a special NOP marker.
11989 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11990 NOP marker handling.
11991 * c-common.h (empty_body_warning): Add forward declaration.
11992 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11993 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11995 2006-01-20 Paul Brook <paul@codesourcery.com>
11997 * Makefile.in (lang_checks): Keep going if mkdir fails.
11999 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12001 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12002 be able to clean out basic block when not necessary.
12003 (df_scan_free): Fixed to properly delete information if df is
12004 unused before calling df_finish.
12005 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12006 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12007 or comment typos.
12008 (df_bb_refs_delete): New function.
12009 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12010 * df-core.c (df_set_blocks): Added code to properly clean out
12011 unused blocks if they are not part of the blocks to consider.
12012 Added additional null check.
12013 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12014 be able to clean out basic block when not necessary
12015 * df.h (df_free_bb_function): Ditto.
12016 (df_bb_refs_delete): New function.
12017 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12018 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12019 basic block parameter to be able to clean out basic block when not
12020 necessary.
12021 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12022 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12023 Fixed to properly delete information if df is unused before
12024 calling df_finish.
12026 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12028 PR rtl-optimization/25799
12029 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12030 Corrected confluence operator to remove bits from op2 before oring
12031 with op1 rather than removing bits from op1.
12032 (df_ru_transfer_function): Corrected test on wrong bitmap which
12033 caused infinite loop. Both of these problems were introduced in
12034 the dataflow rewrite.
12036 2006-01-19 DJ Delorie <dj@redhat.com>
12038 * reload1.c (find_reload_regs): Note the details of reload
12039 failures in the dump file.
12040 (spill_failure): Likewise.
12042 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12044 * loop-iv.c: Include df.h and hashtab.h.
12045 (enum iv_grd_result): New enum.
12046 (DF_REF_IV, DF_REF_IV_SET): New macros.
12047 (struct biv_entry): New.
12048 (df, bivs): New global variables.
12049 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12050 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12051 Removed.
12052 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12053 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12054 analyzed_for_bivness_p, record_biv): New functions.
12055 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12056 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12057 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12058 UD chains.
12059 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12060 analysed.
12061 (iv_number_of_iterations): Use new interface to iv analysis.
12062 * loop-unroll.c: Do not include varray.h.
12063 (analyze_iv_to_split_insn): Use new interface to iv
12064 analysis.
12065 * loop-unswitch.c (may_unswitch_on): Ditto.
12066 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12067 allocated.
12068 (df_bb_modify): Realloc tables to the new index.
12069 (df_find_use): New function.
12070 * df.h (df_find_use): Declare.
12071 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12072 outmode.
12073 * cfgloop.h (struct rtx_iv): Remove analysed field.
12074 (iv_get_reaching_def): Removed.
12075 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12076 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12077 (loop-iv.o): Add df.h and hashtab.h dependency.
12078 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12080 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12082 PR target/25668
12083 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12084 Double TFmode.
12085 (__floatundisf, __floatundidf): Likewise.
12086 * libgcc2.h (IS_IBM_EXTENDED): Define.
12088 2006-01-19 DJ Delorie <dj@redhat.com>
12090 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12092 2006-01-19 Paul Brook <paul@codesourcery.com>
12094 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12095 as nothrow when unwinding tables are disabled.
12097 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12099 PR testsuite/25171
12100 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12101 of bit-field" when in system header.
12103 2006-01-19 DJ Delorie <dj@redhat.com>
12105 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12106 the 16 bit shift limit of the m16c.
12108 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12110 PR target/22099
12111 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12112 * config/i386/i386.c (output_set_got): Output the label if we have one
12113 for the TARGET_DEEP_BRANCH_PREDICTION case.
12115 2006-01-19 Jan Hubicka <jh@suse.cz>
12116 H.J. Lu <hongjiu.lu@intel.com>
12117 Evandro Menezes <evandro.menezes@amd.com>
12119 * invoke.texi (generic): Document
12120 (i686) Update.
12121 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12122 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12123 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12124 (x86_use_incdec, x86_pad_returns): New variables
12125 (TARGET_CPU_DEFAULT_generic): New constant
12126 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12127 (enum processor_type): Add generic32 and generic64.
12128 * i386.md (cpu attribute): Add generic32/generic64
12129 (movhi splitter): Behave sanely when both partial_reg_dependency and
12130 partial_reg_stall are set.
12131 (K8 splitters): Enable for generic as well.
12132 * predicates.md (incdec_operand): Use TARGET_INCDEC
12133 (aligned_operand): Avoid memory mismatch stalls.
12134 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12135 * ppro.md: Enable for generic32
12136 * i386.c (generic64_cost, generic32_cost): New.
12137 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12138 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12139 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12140 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12141 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12142 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12143 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12144 x86_accumulate_outgoing_args, x86_prologue_using_move,
12145 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12146 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12147 Enable for generic.
12148 (x86_use_incdec, x86_pad_returns): New.
12149 (override_options): Add generic32 and generic64, translate "generic"
12150 to generic32/generic64 and "i686" to "generic32", refuse
12151 "generic32"/"generic64" as arch target.
12152 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12153 (ix86_reorg): Honor PAD_RETURNS.
12155 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12157 * tree-pretty-print.c (dump_generic_node): Handle
12158 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12159 * cgraph.c (cgraph_expand_queue): Rename from
12160 cgraph_analyze_queue. Update all users.
12161 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12162 cgraph_expand_queue.
12163 (cgraph_expand_all_functions): Likewise.
12164 (cgraph_finalize_pending_functions): Remove. Update callers.
12166 * tree.h (OMP_DIRECTIVE_P): Define.
12167 (OMP_PARALLEL_FN): Define.
12168 (OMP_PARALLEL_DATA_ARG): Define.
12169 (OMP_SECTIONS_SECTIONS): Define.
12170 * tree-pass.h (pass_expand_omp): Declare.
12171 * omp-low.c (struct omp_region): Declare.
12172 (struct omp_context): Remove fields 'parallel_type',
12173 'parallel_start_ix' and 'parallel_start_additional_args'.
12174 Update all users.
12175 (struct omp_for_data): Rename from struct expand_omp_for_data.
12176 (omp_regions): New static variable.
12177 (root_omp_region): New static variable.
12178 (find_omp_clause): Make static.
12179 (is_in_combined_parallel_ctx): Remove.
12180 (is_combined_parallel): New.
12181 (extract_omp_for_data): Move earlier in the file.
12182 (workshare_safe_to_combine_p): New.
12183 (get_ws_args_for): New.
12184 (determine_parallel_type): Move earlier in the file.
12185 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12186 child function.
12187 (omp_copy_decl): Likewise.
12188 (create_omp_child_function): Likewise.
12189 (lookup_omp_region): New.
12190 (dump_omp_region): New.
12191 (debug_omp_region): New.
12192 (debug_all_omp_regions): New.
12193 (new_omp_region): New.
12194 (scan_omp_parallel): If parallel_nesting_level > 1, the
12195 directive is nested within another parallel directive.
12196 Set OMP_PARALLEL_FN.
12197 (scan_omp_for): Do not try to handle combined parallel+for
12198 cases.
12199 Remove FIXME comment.
12200 (scan_omp_nested): Remove.
12201 (scan_omp_1): Do not call scan_omp_nested when
12202 parallel_nesting_level is > 1.
12203 Do not change the DECL_CONTEXT of local variables found.
12204 (lookup_decl_in_outer_ctx): New.
12205 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12206 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12207 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12208 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12209 If CTX is nested, lookup VAR in the outer context when
12210 building copy assignment.
12211 (lower_send_clauses): Rename from expand_send_clauses.
12212 If CTX is nested, lookup VAR in the outer context when
12213 building copy assignments.
12214 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12215 If CTX is nested, lookup VAR in the outer context when
12216 building copy assignments.
12217 (expand_parallel_call): Rename from build_parallel_call.
12218 Handle combined parallel+workshare cases.
12219 Re-implement to emit code into the CFG.
12220 (list2chain): New.
12221 (expand_omp_parallel): Re-implement to emit code into the CFG.
12222 Call move_sese_region_to_fn to outline the sub-graph
12223 containing the parallel region.
12224 (expand_omp_for_1): Remove.
12225 (expand_omp_for_generic): Re-implement to emit code into the
12226 CFG.
12227 (expand_omp_for_static_nochunk): Likewise.
12228 (expand_omp_for_static_chunk): Likewise.
12229 (expand_omp_for): Likewise.
12230 (expand_omp_sections): Likewise.
12231 (remove_exit_barriers): New.
12232 (expand_omp_synch): New.
12233 (expand_omp): New.
12234 (build_omp_regions_1): New.
12235 (build_omp_regions): New.
12236 (execute_expand_omp): New.
12237 (gate_expand_omp): New.
12238 (pass_expand_omp): Define.
12239 (lower_omp_sections): Rename from expand_omp_sections.
12240 Set OMP_SECTIONS_SECTIONS.
12241 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12242 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12243 (lower_omp_single): Rename from expand_omp_simple.
12244 (lower_omp_master): Rename from expand_omp_master.
12245 (lower_omp_ordered): Rename from expand_omp_ordered.
12246 (lower_omp_critical): Rename from expand_omp_critical.
12247 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12248 (lower_omp_for): Re-implement.
12249 (lower_omp_parallel): Re-implement.
12250 (lower_regimplify): Rename from expand_regimplify.
12251 (lower_omp_1): Rename from expand_omp_1.
12252 If there are syntax errors in the program, replace every
12253 OpenMP directive with NOP.
12254 Call lower_omp_* instead of expand_omp_*.
12255 (lower_omp): Rename from expand_omp.
12257 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12258 * tree-gimple.h (enum omp_parallel_type): Remove.
12259 (gimple_boolify): Declare extern.
12260 (find_omp_clause, determine_parallel_type): Remove.
12262 * gimple-low.c (lower_omp_directive): New.
12263 (lower_stmt): Call it.
12264 (record_vars_into): Move from ...
12265 (record_vars): ... here.
12266 Call record_vars_into with current_function_decl.
12268 * gimplify.c (struct gimplify_ctx): Remove fields
12269 combined_pre_p and combined_ctxp. Update users.
12270 (get_formal_tmp_var): Add documentation.
12271 (gimple_boolify): Make extern.
12272 (gimplify_expr_in_ctx): Remove. Update callers.
12273 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12274 will always be a BIND_EXPR.
12275 (gimplify_expr): Handle OMP_RETURN_EXPR.
12276 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12277 (OMP_PARALLEL): Add 3 operands.
12278 (OMP_SECTIONS): Add 1 operand.
12279 (OMP_RETURN_EXPR): Define.
12281 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12282 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12283 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12284 creating a circular free list.
12285 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12287 * tree-flow.h (move_sese_region_to_fn): Declare.
12288 (record_vars_into): Declare.
12289 * tree-cfg.c (make_omp_sections_edges): New.
12290 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12291 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12292 OMP_SECTIONS and OMP_SECTION.
12293 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12294 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12295 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12296 (gather_blocks_in_sese_region): New.
12297 (struct move_stmt_d): Declare.
12298 (move_stmt_r): New.
12299 (move_block_to_fn): New.
12300 (move_sese_region_to_fn): New.
12302 * passes.c (init_optimization_passes): Schedule
12303 pass_expand_omp after pass_init_datastructures.
12305 * tree-ssa-operands.c (get_expr_operands): Handle
12306 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12307 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12309 2006-01-19 Jeff Law <law@redhat.com>
12311 * tree-vrp.c (extract_range_from_assert): Refine the result range
12312 if the variable referenced by the ASSERT_EXPR has a range and
12313 either the tentative result range or the previous range is a
12314 VR_ANTI_RANGE.
12316 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12318 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12320 2006-01-19 Jan Hubicka <jh@suse.cz>
12322 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12324 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12326 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12327 (expand_compound_operation, expand_field_assignment): Fail if the
12328 bit lengths of an extract operation are out of range.
12329 (make_extraction): Compute wanted_inner_mode based on the position
12330 and length of the extraction. Make it extraction_mode for non-constant
12331 positions, and do not modify offset in that case. When generating a
12332 new MEM, use a mode that can hold the extraction while keeping correct
12333 alignment. Remove code that supported MEMs wrapped by USEs.
12334 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12336 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12338 * config/s390/s390.md ("Y", "y"): New mode attribute.
12339 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12340 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12341 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12342 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12343 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12344 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12345 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12346 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12347 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12348 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12349 "addsi3", "subsi3"): Insn patterns removed.
12350 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12351 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12352 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12353 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12354 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12355 "*sub<mode>3_cconly2"): New insn patterns.
12356 ("addsi3", "subsi3"): New expanders.
12358 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12360 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12361 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12362 existing STMT_VINFO_VECTYPE if available.
12363 (vect_mark_relevant): Add special handling for stmts that are
12364 marked as STMT_VINFO_IN_PATTERN_P.
12365 (vect_analyze_loop): Call vect_pattern_recog.
12366 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12367 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12368 stmt_info.
12369 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12370 (vect_recog_func_ptr): New function-pointer type.
12371 * tree-vect-patterns.c: New file.
12372 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12373 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12374 (vect_pattern_recog_1): New functions.
12375 (vect_pattern_recog_funcs): New array of function pointers.
12377 * tree-vectorizer.h (ternary_op): New enum value.
12378 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12379 declaration. Revised documentation. Removed redundant dump prints.
12380 Removed redundant argument. Added support for reduction patterns.
12381 (vectorizable_reduction): Added support for reduction patterns.
12382 (vect_transform_stmt): Added support for patterns.
12384 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12385 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12386 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12387 (expand_widen_pattern_expr): New function.
12388 (init_optabs): Initialize new optabs udot_prod_optab,
12389 sdot_prod_optab.
12390 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12391 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12392 (expand_widen_pattern_expr): New function declaration.
12393 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12394 tree-codes.
12395 * tree-inline.c (estimate_num_insns_1): Added cases for new
12396 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12397 * tree-pretty-print.c (dump_generic_node): Likewise.
12398 (op_prio): Likewise.
12399 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12400 * tree-ssa-operands.c (get_expr_operands): Added case for
12401 DOT_PROD_EXPR.
12402 * tree-vect-patterns.c (widened_name_p): New function.
12403 (vect_recog_dot_prod_pattern): Added function implementation.
12404 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12405 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12406 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12407 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12409 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12410 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12411 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12412 (init_optabs): Initialize new optabs widen_ssum_optab,
12413 widen_usum_optab.
12414 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12415 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12416 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12417 use instead of type of def.
12418 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12419 function implementation.
12420 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12421 widen_ssumv8hi): New.
12423 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12424 patterns.
12426 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12428 PR c/25805
12429 * c-decl.c (add_flexible_array_elts_to_size): New function.
12430 (finish_decl): Use it.
12432 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12434 * diagnostic.h: Include options.h.
12435 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12436 dependancies for diagnostic.h.
12437 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12439 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12441 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12442 (ssa_ro_call_cache_valid): Ditto.
12443 * tree-ssa-alias.c (sort_tags_by_id): New function.
12444 (init_transitive_clobber_worklist): Ditto.
12445 (add_to_worklist): Ditto.
12446 (mark_aliases_call_clobbered): Ditto.
12447 (compute_tag_properties): Ditto.
12448 (set_initial_properties): Ditto.
12449 (compute_call_clobbered): Ditto.
12450 (compute_may_aliases): Call compute_call_clobbered and grouping.
12451 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12452 (compute_flow_insensitive_aliasing): Grouping now happens in our
12453 caller.
12454 (setup_pointers_and_addressables): Remove clobbering related code.
12455 (add_may_alias): Ditto.
12456 (replace_may_alias): Ditto.
12457 (get_nmt_for): Ditto.
12458 (create_global_var):
12459 (is_escape_site): Return an escape_type enumeration.
12460 * tree-flow-inline.h (is_call_clobbered): Global var does not
12461 imply call clobbered.
12462 (mark_call_clobbered): Take a reason for marking this. Remove
12463 marking of globalness, and cache invalidation.
12464 (clear_call_clobbered): Remove cache invalidation code.
12465 * tree-dfa.c (dump_variable): If details is on, dump the reason
12466 for escaping.
12467 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12468 variable.
12469 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12470 (struct var_ann_d): Ditto.
12471 (enum escape_type): New.
12472 (mark_call_clobbered): Adjust prototype.
12473 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12474 are never call clobbered.
12475 Record reasons for escaping.
12476 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12477 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12478 (ssa_ro_call_cache_valid): Ditto.
12479 (clobbered_v_may_defs): Ditto.
12480 (clobbered_vuses): Ditto.
12481 (ro_call_vuses): Ditto.
12482 (clobber_stats): New.
12483 (init_ssa_operands): Zero out clobber stats.
12484 (fini_ssa_operands): Print out clobber stats.
12485 (get_call_expr_operands): Pass callee fndecl to
12486 add_call_read_ops).
12487 (add_call_clobber_ops): Remove use of cache.
12488 Add use of PURE_CONST information.
12489 (add_call_read_ops): Remove use of cache.
12490 Add use of static not_read information.
12492 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12494 Introduce TLS descriptors for i386 and x86_64.
12495 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12496 (TARGET_ANY_GNU_TLS): New macro.
12497 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12498 (struct machine_function): Add tls_descriptor_call_expanded_p.
12499 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12500 (ix86_current_function_calls_tls_descriptor): Likewise.
12501 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12502 (override_options): Introduce gnu2 tls dialect.
12503 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12504 not leaves.
12505 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12506 Likewise.
12507 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12508 (ix86_init_machine_status): Initialize new field.
12509 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12510 (ix86_tls_module_base): New.
12511 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12512 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12513 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12514 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12515 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12516 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12517 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12518 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12519 * config/i386/predicates.md (tls_modbase_operand): New.
12520 (tp_or_register_operand): New.
12522 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12524 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12525 (look_for_address_of): Ditto.
12526 (ipa_init): Walk the function decls.
12527 (static_execute): Don't set readonly on FUNCTION_DECL's.
12529 2006-01-18 Roger Sayle <roger@eyesopen.com>
12531 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12532 for shifts where the source and destination registers are different.
12534 2006-01-18 Paul Brook <paul@codesourcery.com>
12536 Merge from csl-arm-branch.
12537 2005-03-14 Julian Brown <julian@codesourcery.com>
12538 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12539 (aeabi_llsl): Likewise.
12540 (ashrdi3): Likewise.
12541 (aeabi_lasr): Likewise.
12542 (lshrdi3): Likewise.
12543 (aeabi_llsr): Likewise.
12544 2005-03-10 Julian Brown <julian@codesourcery.com>
12545 * config.gcc: Disable shared libgcc for SymbianOS.
12546 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12548 2006-01-18 DJ Delorie <dj@redhat.com>
12550 * c-pragma.c (handle_pragma_diagnostic): New.
12551 (init_pragma): Register it.
12552 * doc/extend.texi: Document it.
12554 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12555 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12556 (diagnostic_context): Add classify_diagnostic[].
12557 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12558 as errors if they're overridden to DK_WARNING.
12559 (diagnostic_initialize): Initialize classify_diagnostic[].
12560 (diagnostic_set_kind_override): New.
12561 (diagnostic_report_diagnostic): Check for kind changes.
12562 * opts.c (common_handle_option): Take lang_mask. Update callers.
12563 Handle OPT_Werror_.
12564 * common.opt (Werror=): New.
12565 * doc/invoke.texi: Document -Werror=*
12567 2006-01-18 Jeff Law <law@redhat.com>
12569 * tree-vrp.c (test_for_singularity): Correct test for new
12570 min limit. Use operand_equal_p rather than pointer equality
12571 for testing if new min/max values are equal.
12573 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12574 using range information until after propagation and folding.
12576 2006-01-18 Richard Henderson <rth@redhat.com>
12577 Aldy Hernandez <aldyh@redhat.com>
12578 Jakub Jelinek <jakub@redhat.com>
12579 Diego Novillo <dnovillo@redhat.com>
12581 * omp-low.c: New file.
12582 * c-omp.c: New file.
12584 2006-01-18 Richard Henderson <rth@redhat.com>
12585 Jakub Jelinek <jakub@redhat.com>
12586 Diego Novillo <dnovillo@redhat.com>
12588 * doc/invoke.texi: Document -fopenmp.
12589 * tree-dump.h (debug_function): Declare.
12590 * hooks.c (hook_bool_tree_bool_false): New function.
12591 (hook_tree_tree_null): Remove.
12592 (hook_tree_tree_tree_null): New.
12593 * hooks.h: Update to match.
12594 * tree-pretty-print.c (debug_tree_chain): New.
12595 (print_generic_expr): Handle TDF_CHAIN.
12596 (dump_generic_node): Handle BLOCK.
12597 Do not abort with incomplete SWITCH_EXPRs.
12598 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12599 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12600 print space after directive name.
12601 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12602 Handle OMP_MASTER and OMP_ORDERED.
12603 Handle printing of OMP_BODY just in one place, goto
12604 dump_omp_body in the rest of OMP_* nodes that have
12605 OMP_BODY.
12606 Don't handle clause nodes here. Update omp statements to
12607 use dump_omp_clauses.
12608 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12609 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12610 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12611 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12612 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12613 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12614 Adjust output for GOMP_PARALLEL.
12615 (dump_omp_clauses): New.
12616 (print_declaration): Dump DECL_VALUE_EXPR.
12617 (op_symbol_1): Split out of op_symbol.
12618 (dumping_stmts): Remove. Update all users.
12619 * cgraph.c (cgraph_analyze_queue): New.
12620 (cgraph_add_new_function): New.
12621 * cgraph.h (cgraph_analyze_queue): Declare.
12622 (cgraph_add_new_function): Declare.
12623 (cgraph_lower_function): Remove.
12624 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12625 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12626 and TYPE_P nodes in its default clause.
12627 (empty_body_p): New.
12628 (tree_range_check_failed): New.
12629 (build5_stat): New.
12630 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12631 OMP_CLAUSE_REDUCTION_MERGE,
12632 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12633 OMP_CLAUSE_PRIVATE_DEBUG,
12634 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12635 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12636 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12637 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12638 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12639 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12640 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12641 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12642 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12643 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12644 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12645 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12646 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12647 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12648 (TREE_RANGE_CHECK): New.
12649 (empty_body_p): Declare.
12650 (enum omp_clause_default_kind): New.
12651 (build_string_literal): Declare.
12652 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12653 (build5_stat, build5): Declare.
12654 * tree-pass.h (TDF_CHAIN): Define.
12655 * tree-pass.h (PROP_gimple_lomp): Define.
12656 (pass_lower_omp): Declare.
12657 * diagnostic.h (debug_tree_chain): Declare.
12658 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12659 mode_for_size.
12660 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12661 * builtins.c (build_string_literal): Make extern.
12662 * gcc.c (include_spec_function): New.
12663 (static_spec_functions): Add it.
12664 (main): Move load of libgomp.spec ...
12665 (LINK_COMMAND_SPEC): ... here.
12666 (link_gomp_spec): New.
12667 (static_specs): Include it.
12668 (LINK_COMMAND_SPEC): Add link_gomp.
12669 (GOMP_SELF_SPECS): New.
12670 (driver_self_specs): Include it.
12671 (switch_matches): Don't mark inline.
12672 (main): Load libgomp.spec.
12673 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12674 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12675 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12676 * tree-gimple.h (enum omp_parallel): Declare.
12677 (determine_parallel_type): Declare.
12678 (omp_firstprivatize_variable): Declare.
12679 (omp_reduction_init): Declare.
12680 (diagnose_omp_structured_block_errors): Declare.
12681 (struct walk_stmt_info): Add want_return_expr.
12682 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12683 (find_omp_clause): Declare.
12684 (insert_field_into_struct): Declare.
12685 (struct walk_stmt_info): Move from tree-nested.c
12686 (walk_stmts): Declare.
12687 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12688 to 200505.
12689 * cgraphunit.c (cgraph_lower_function): Make static.
12690 (cgraph_finalize_pending_functions): New.
12691 (cgraph_finalize_function): Call it.
12692 (cgraph_finalize_compilation_unit): Likewise.
12693 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12694 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12695 (BT_FN_UINT_UINT): New.
12696 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12697 DEF_FUNCTION_TYPE_VAR_4): Document.
12698 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12699 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12700 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12701 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12702 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12703 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12704 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12705 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12706 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12707 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12708 into separate files.
12709 (DEF_GOMP_BUILTIN): New.
12710 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12711 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12712 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12713 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12714 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12715 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12716 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12717 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12718 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12719 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12720 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12721 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12722 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12723 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12724 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12725 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12726 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12727 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12728 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12729 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12730 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12731 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12732 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12733 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12734 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12735 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12736 * sync-builtins.def: New file, moved from builtins.def.
12737 * omp-builtins.def: New file, moved from builtins.def.
12738 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12739 * gimple-low.c (lower_function_body): Clear data.
12740 (lower_stmt): Do not handle COMPOUND_EXPR.
12741 Remove call to print_node_brief.
12742 * c-tree.h (c_finish_omp_clauses): New prototype.
12743 (C_DECL_THREADPRIVATE_P): Define.
12744 (lookup_name_no_remap, c_omp_remap_private): Remove
12745 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12746 (check_for_loop_decls): Update decl.
12747 (lookup_name_no_remap, c_omp_remap_private): Declare.
12748 (build_indirect_ref, build_modify_expr, pushdecl,
12749 pushdecl_top_level): Move to c-common.h.
12750 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12751 before the switch, but just in the 2 places that need it.
12752 * c-decl.c (diagnose_mismatched_decls): Do not check for
12753 mismatched thread-local attributes when OLDDECL is marked
12754 threadprivate and NEWDECL has no thread-local attributes.
12755 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12756 (c_gimple_diagnostics_recursively): Rename from
12757 c_warn_unused_result_recursively. Invoke
12758 diagnose_omp_structured_block_errors.
12759 (check_for_loop_decls): Return a singular decl found.
12760 * langhooks.c (lhd_omp_predetermined_sharing): Return
12761 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12762 (lhd_omp_firstprivatize_type_sizes): New.
12763 (lhd_omp_assignment): New.
12764 (lhd_omp_predetermined_sharing): New.
12765 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12766 (struct lang_hooks_for_types): Add
12767 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12768 omp_predetermined_sharing, omp_disregard_value_expr,
12769 omp_private_debug_clause, omp_clause_default_ctor,
12770 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12771 (c_finish_omp_clauses): New.
12772 (c_finish_bc_stmt): Diagnose break within omp for.
12773 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12774 (build_unary_op): Return error_mark after reporting
12775 a readonly_error.
12776 (build_modify_expr): Likewise.
12777 * gimplify.c: Include optabs.h and pointer-set.h.
12778 (enum gimplify_omp_var_data): Declare.
12779 (struct gimplify_omp_ctx): Declare.
12780 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12781 and combined_ctxp.
12782 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12783 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12784 (splay_tree_compare_decl_uid): New.
12785 (new_omp_context): New.
12786 (delete_omp_context): New.
12787 (gimple_add_tmp_var): Call omp_add_variable.
12788 (gimplify_bind_expr): Likewise.
12789 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12790 true, disregard DECL_VALUE_EXPR on the decl if any.
12791 (gimplify_expr_in_ctx): New.
12792 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12793 omp_add_variable, omp_notice_variable, omp_is_private
12794 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12795 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12796 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12797 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12798 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12799 gimplify_omp_atomic): New.
12800 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12801 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12802 OMP_CRITICAL and OMP_ATOMIC.
12803 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12804 * c-pragma.h (enum pragma_kind): Add
12805 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12806 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12807 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12808 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12809 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12810 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12811 PRAGMA_OMP_THREADPRIVATE.
12812 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12813 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12814 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12815 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12816 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12817 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12818 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12819 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12820 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12821 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12822 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12823 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12824 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12825 OpenMP directives.
12826 (struct nesting_info): Add field_map,
12827 suppress_expansion, debug_var_chain.
12828 (create_nesting_tree): Initialize them.
12829 (lookup_field_for_decl): Use field_map.
12830 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12831 (convert_local_omp_clauses): New.
12832 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12833 (walk_body): Split out of walk_function.
12834 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12835 (convert_nonlocal_reference): Handle omp statements.
12836 (convert_local_reference): Likewise.
12837 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12838 (unnest_nesting_tree): New.
12839 (lower_nested_functions): Call it.
12840 (insert_field_into_struct): Make extern.
12841 (struct walk_stmt_info): Move to tree-gimple.h.
12842 (walk_stmts): Make extern.
12843 * omp-builtins.def: New file.
12844 * tree-iterator.c (expr_only): Clarify comment.
12845 * c-common.h (pushdecl_top_level, pushdecl,
12846 build_modify_expr, build_indirect_ref,
12847 c_finish_omp_master, c_finish_omp_critical,
12848 c_finish_omp_ordered, c_finish_omp_barrier,
12849 c_finish_omp_atomic, c_finish_omp_flush,
12850 c_finish_omp_for, c_split_parallel_clauses,
12851 omp_clause_default_kind, c_omp_sharing_predetermined,
12852 c_omp_remap_decl): Declare.
12853 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12854 (OBJS-common): Add omp-low.o.
12855 (c-omp.o, omp-low.o): Add.
12856 (gimplify.o): Add dependency on $(OPTABS_H).
12857 (GTFILES): Add omp-low.c.
12858 (gt-stringpool.h): Add.
12859 * tree-cfg.c (set_bb_for_stmt): Do not update the
12860 block-to-labels map if we are currently expanding to RTL.
12861 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12862 checks.
12863 Handle IDENTIFIER_NODE.
12864 (tree_verify_flow_info): Do not ICE when emitting error
12865 messages about invalid labels.
12866 (dump_function_to_file): Reset CFUN before emitting the body
12867 of the function.
12868 (debug_function): New.
12869 * passes.c (init_optimization_passes): Schedule
12870 pass_lower_omp.
12871 * langhooks-def.h (lhd_omp_predetermined_sharing,
12872 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12873 Declare.
12874 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12875 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12876 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12877 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12878 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12879 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12880 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12881 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12882 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12883 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12884 (LANG_HOOK_DECLS): Use them.
12886 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12887 Richard Henderson <rth@redhat.com>
12888 Jakub Jelinek <jakub@redhat.com>
12889 Diego Novillo <dnovillo@redhat.com>
12891 * c-parser.c (pragma_omp_clause): Define.
12892 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12893 (c_parser_compound_statement): Likewise.
12894 (c_parser_statement): Likewise.
12895 (c_parser_pragma): Handle omp pragmas.
12896 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12897 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12898 (c_parser_omp_clause_name, check_no_duplicate_clause,
12899 c_parser_omp_variable_list,
12900 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12901 c_parser_omp_clause_copyprivate,
12902 c_parser_omp_clause_default,
12903 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12904 c_parser_omp_clause_lastprivate,
12905 c_parser_omp_clause_nowait,
12906 c_parser_omp_clause_num_threads,
12907 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12908 c_parser_omp_clause_reduction,
12909 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12910 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12911 c_parser_omp_atomic, c_parser_omp_barrier,
12912 c_parser_omp_critical, c_parser_omp_flush,
12913 c_parser_omp_for_loop, c_parser_omp_for,
12914 c_parser_omp_master, c_parser_omp_ordered,
12915 c_parser_omp_sections_scope, c_parser_omp_sections,
12916 c_parser_omp_parallel, c_parser_omp_single,
12917 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12918 * c-pragma.c (init_pragma): Do omp pragma registration here.
12919 * c.opt (fopenmp): New flag.
12921 2006-01-18 Eric Christopher <echristo@apple.com>
12923 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12924 * config/darwin.h (GOMP_SELF_SPECS): Define.
12926 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12928 * rtl.h: Remove the prototype for reg_alloc.
12930 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12932 PR target/25731
12933 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12934 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12935 sjlj and dwarf2 exception handling.
12936 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12937 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12938 * pa/pa.c (function_value): Treat complex and vector types as
12939 aggregates.
12940 (function_arg): Likewise. Only pass scalar floats in the floating
12941 point argument registers.
12942 * pa/t-slibgcc-dwarf-ver: New file.
12943 * pa/t-slibgcc-sjlj-ver: New file.
12944 * pa/t-slibgcc-elf-ver: Delete file.
12946 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12948 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12949 unlikely_test_section_p test.
12951 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12953 * mode-switching.c (optimize_mode_switching): Make it static.
12954 * basic-block.h: Remove the prototype for
12955 optimize_mode_switching.
12957 * modulo-sched.c (sms_schedule): Make it static.
12958 * rtl.h: Remove the prototype for sms_schedule.
12960 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12961 * rtl.h: Remove the prototype for gcse_after_reload_main.
12963 * reg-stack.c (reg_to_stack): Make it static.
12964 * rtl.h: Remove the prototype for reg_to_stack.
12966 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12967 Make them static.
12968 * rtl.h: Remove the prototypes for regrename_optimize and
12969 copyprop_hardreg_forward.
12971 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12973 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12974 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12975 Test against the appropriate null constant for the mode.
12976 If 'fixup_overlap' is true, swap the operands if they overlap.
12977 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12978 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12979 alpha_split_tmode_pair and adjust for above change.
12980 * config/alpha/alpha.md (movtf_internal): Adjust call to
12981 alpha_split_tfmode_pair and rely on it to swap the operands.
12982 (movti_internal): New insn and post-reload splitter.
12983 (movti): New expander.
12985 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12987 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12988 operands.
12990 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12992 * rtlanal.c (global_reg_mentioned_p_1,
12993 global_reg_mentioned_p): Remove.
12994 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12996 * flow.c (initialize_uninitialized_subregs): Make it static.
12997 * rtl.h: Remove the prototype for
12998 initialize_uninitialized_subregs.
13000 * function.c (instantiate_virtual_regs): Make it static.
13001 * function.h: Remove the prototype for
13002 instantiate_virtual_regs.
13004 * regmove.c (regmove_optimize, combine_stack_adjustments):
13005 Make them static.
13006 * rtl.h: Remove the prototypes for regmove_optimize and
13007 combine_stack_adjustments.
13009 2006-01-17 Roger Sayle <roger@eyesopen.com>
13011 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13012 (size_cost): Encode costs in bytes so that a reg-reg addition is
13013 equivalent to COSTS_N_INSNS(1).
13014 (override_options): Use the size_cost.branch_cost as the default
13015 ix86_branch_cost when optimizing for size.
13017 2006-01-18 Ben Elliston <bje@au.ibm.com>
13019 * Makefile.in (D32PBIT_FUNCS): New.
13020 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13021 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13022 D64PBIT_FUNCS and D128PBIT_FUNCS.
13023 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13024 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13025 D128PBIT are set.
13026 (decnumber_dep): Define.
13027 * doc/libgcc.texi (Decimal float library routines): New node.
13028 * config/dfp-bit.h, config/dfp-bit.c: New files.
13030 2006-01-18 Ben Elliston <bje@au.ibm.com>
13032 * expr.c (emit_move_change_mode): Always adjust addresses, not
13033 just during reload. Copy replacements only during reload.
13034 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13035 emit_move_via_integer.
13037 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13039 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13040 instead of $(srcdir) and ${srcdir}.
13042 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13044 PR target/592
13045 PR middle-end/11135
13046 * arm.h (struct machine_function): Add pic_reg.
13047 * arm.c (arm_pic_register): Make unsigned.
13048 (arm_override_options): Only set arm_pic_register if
13049 TARGET_SINGLE_PIC_BASE.
13050 (use_return_insn): Only test for a pic register if it is fixed.
13051 (arm_compute_save_reg0_reg12_mask): Likewise.
13052 (thumb_compute_save_reg_mask): Likewise.
13053 (legitimate_pic_operand): Factor out some known invariants.
13054 (legitimize_pic_address): If we don't have a fixed pic register,
13055 then set up a pseudo in the function entry sequence. Handle the
13056 pic base being in a pseudo.
13057 (arm_load_pic_register): Handle the pic register being in a pseudo.
13058 (arm_expand_prologue): Only set up the pic register if it is fixed.
13059 (thumb_expand_prologue): Likewise.
13060 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13061 (pic_load_addr_based_insn): Likewise.
13062 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13063 fixed.
13065 2006-01-18 Ben Elliston <bje@au.ibm.com>
13067 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13068 decimal float modes for all floating point registers.
13070 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13071 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13073 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13075 PR c/25682
13076 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13077 even when the pointer is not NULL.
13079 2006-01-16 Ian Lance Taylor <ian@airs.com>
13081 * common.opt (ftoplevel-reorder): New option.
13082 * cgraph.c (cgraph_asm_nodes): New global variable.
13083 (cgraph_asm_last_node): New static variable.
13084 (cgraph_order): New global variable.
13085 (cgraph_create_node): Set new order field.
13086 (cgraph_varpool_node): Likewise.
13087 (decide_is_variable_needed): Return true if not
13088 flag_toplevel_reorder.
13089 (cgraph_add_asm_node): New function.
13090 * cgraph.h (struct cgraph_node): Add order field.
13091 (struct cgraph_varpool_node): Add order field.
13092 (struct cgraph_asm_node): Define.
13093 (cgraph_asm_nodes, cgraph_order): Declare.
13094 (cgraph_add_asm_node): Declare.
13095 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13096 function.
13097 (cgraph_varpool_assemble_pending_decls): Call it.
13098 (cgraph_output_pending_asms): New static function.
13099 (cgraph_finalize_compilation_unit): Call it.
13100 (struct cgraph_order_sort): Define.
13101 (cgraph_output_in_order): New static function.
13102 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13103 !flag_toplevel_reorder case.
13104 * c-parser.c: Include "cgraph.h".
13105 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13106 assemble_asm.
13107 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13108 than -fno-unit-at-a-time.
13109 * doc/invoke.texi (Option Summary): Mention
13110 -fno-toplevel-reorder.
13111 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13112 -funit-at-a-time documentation.
13114 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13115 Kazu Hirata <kazu@codesourcery.com>
13117 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13119 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13121 * Makefile.in (FUNCTION_H): New. Use it instead of
13122 function.h throughout the file.
13123 * function.h: Include tree.h.
13125 2006-01-17 Ben Elliston <bje@au.ibm.com>
13127 * recog.c: Separate some functions with whitespace.
13129 2006-01-16 Richard Henderson <rth@redhat.com>
13131 Merge from gomp branch:
13132 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13133 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13134 and rename from struct inline_data. Rename callee* to dst*;
13135 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13136 transform_new_cfg, transform_return_to_modify, and
13137 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13138 update_clones_p.
13139 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13140 (copy_decl_for_dup): Remove.
13141 * tree-inline.c (struct inline_data): Move to header.
13142 (insert_decl_map): Export.
13143 (remap_decl): Update for member name changes. Use copy_decl hook.
13144 Allow for replacement to be a non-decl. Remove dead code.
13145 (remap_type_1): Check for existing mapping.
13146 (remap_type): Export.
13147 (remap_decls): Update for member name changes.
13148 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13149 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13150 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13151 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13152 (tree_function_versioning, build_duplicate_type): Likewise.
13153 (copy_body_r): Likewise. Export.
13154 (copy_decl_for_dup): Split into ...
13155 (copy_decl_for_dup_finish, copy_decl_to_var,
13156 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13157 (replace_ref_tree, inlining_p): Remove.
13159 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13161 * ifcvt.c (if_convert): Make it static.
13162 * rtl.h: Remove the prototype for if_convert.
13164 * local-alloc.c (local_alloc): Make it static.
13165 * rtl.h: Remove the prototype for local_alloc.
13167 * loop.c (loop_optimize): Make it static.
13168 * cfgloop.h: Remove the prototype for loop_optimize.
13169 * rtl.h: Likewise.
13171 2006-01-16 DJ Delorie <dj@redhat.com>
13173 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13174 mems.
13176 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13178 * pa.md: Disparage copies between general and floating-point registers
13179 in 32-bit move patterns.
13181 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13183 PR testsuite/25741
13184 * Makefile.in (check-%): Depend on site.exp instead of
13185 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13186 directories.
13188 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13190 * global.c (global_alloc): Make it static.
13191 * rtl.h: Remove the prototype for global_alloc.
13193 2006-01-16 Richard Guenther <rguenther@suse.de>
13195 * tree-ssa-alias.c (struct used_part): Add write_only field.
13196 (get_or_create_used_part_for): Initialize it to true.
13197 (create_overlap_variables_for): Don't create structure variables
13198 for structures that only are written to.
13199 (find_used_portions): Handle MODIFY_EXPR to track whether a
13200 structure is only written to.
13202 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13204 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13205 static.
13206 * basic-block.h: Remove the prototype for
13207 partition_hot_cold_basic_blocks.
13209 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13211 * cppspec.c (lang_specific_spec_functions): Remove.
13212 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13213 * gcc.h (lang_specific_spec_functions): Remove.
13214 * gccspec.c (lang_specific_spec_functions): Remove.
13216 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13218 * combine.c (record_value_for_reg): Invalidate registers
13219 if INSN is null.
13220 (record_dead_and_set_regs_1): Likewise, by passing them to
13221 record_value_for_reg.
13222 (record_dead_and_set_regs): Invalidate stores made by a
13223 call. We do not combine across a call, but we still
13224 relied on equivalences.
13226 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13228 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13229 vrp_int_const_binop returning non-constant nodes.
13231 2006-01-16 Paul Brook <paul@codesourcery.com>
13233 * config/m68k/m68k.c (output_move_const_into_data_reg):
13234 Output correct mnemonic for mvz and mvs.
13236 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13238 * rtl-factoring.c: Add sequence abstraction algorithm.
13239 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13240 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13241 ABNORMAL edges.
13242 (block_has_preserve_label): New function.
13243 * common.opt: Register new pass.
13244 * Makefile.in: Ditto.
13245 * passes.c: Ditto.
13246 * timevar.def: Ditto.
13247 * tree-pass.h: Ditto.
13248 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13249 * rtl.h (make_jump_insn_raw): Add forward decl.
13250 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13252 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13253 Roger Sayle <roger@eyesopen.com>
13255 * fold-const.c (fold_minmax): New static function.
13256 (fold_binary) <MIN_EXPR>: Call it.
13257 <MAX_EXPR>: Likewise.
13258 * stor-layout.c (place_field): Use DECL_SIZE consistently
13259 in the computation of the new record size.
13261 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13263 * cse.c (cse_condition_code_reg): Make it static.
13264 * rtl.h: Remove the prototype for cse_condition_code_reg.
13266 * combine.c (combine_instructions): Make it static.
13267 * rtl.h: Remove the prototype for combine_instructions.
13269 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13271 PR target/25168
13272 * tree.c (get_file_function_name_long): Concatenate the first global
13273 object name with a string derived from the input filename of the object
13274 for type "F".
13276 2006-01-16 Ben Elliston <bje@au.ibm.com>
13278 * config/i386/winnt-stubs.c: Update FSF address.
13279 * config/xtensa/ieee754-df.S: Ditto.
13280 * config/xtensa/ieee754-sf.S: Ditto.
13282 2006-01-14 Ian Lance Taylor <ian@airs.com>
13284 * ifcvt.c (noce_init_if_info): New static function, broken out of
13285 noce_process_if_block.
13286 (noce_process_if_block): Call noce_init_if_info.
13287 (check_cond_move_block): New static function.
13288 (cond_move_process_if_block): New static function.
13289 (process_if_block): Call cond_move_process_if_block.
13291 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13293 * cselib.c (hash_table): Rename to cselib_hash_table.
13294 (cselib_clear_table, discard_useless_values,
13295 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13296 cselib_init, cselib_finish): Adjust uses of hash_table.
13298 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13300 PR tree-optimization/25485
13301 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13302 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13303 is known to be false and true, respectively.
13305 2006-01-14 Richard Guenther <rguenther@suse.de>
13307 PR tree-optimization/22548
13308 PR tree-optimization/22555
13309 PR tree-optimization/22501
13310 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13311 * params.def (salias-max-array-elements): New parameter.
13312 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13313 * doc/invoke.texi (salias-max-array-elements): Document.
13314 * tree-flow-inline.h (var_can_have_subvars): We also handle
13315 arrays now.
13316 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13317 COMPONENT_REF.
13318 * tree-ssa-structalias.c (params.h): Include.
13319 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13320 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13321 (get_constraint_for): For ADDR_EXPR operating on something
13322 containing an ARRAY_REF, add all subvars to the solution.
13323 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13324 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13325 for creating MUST_DEFs.
13326 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13328 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13330 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13331 functions.
13332 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13333 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13334 number_of_iterations_le): New functions.
13335 (number_of_iterations_special): Removed.
13336 (number_of_iterations_exit): Do not use number_of_iterations_special.
13337 * tree.c (unsigned_type_for): Always return integer type.
13339 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13340 Richard Guenther <rguenther@suse.de>
13342 PR rtl-optimization/24257
13343 * gcse.c (find_moveable_store): Only consider a store movable
13344 when the SET_SRC of the insn can be assigned to a register.
13346 2006-01-14 Ian Lance Taylor <ian@airs.com>
13348 * tree.c (tree_not_class_check_failed): New function.
13349 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13350 (tree_not_class_check_failed): Declare.
13352 2006-01-13 Ian Lance Taylor <ian@airs.com>
13354 * reload1.c (do_output_reload): Add assertion rejecting a
13355 CALL_INSN.
13357 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13359 * combine.c (struct reg_stat): Add new fields truncation_label and
13360 truncated_to_mode.
13361 (record_value_for_reg): Reset truncated_to_mode.
13362 (record_truncated_value): New function.
13363 (check_promoted_subreg): Call it. Rename to check_conversions.
13364 (combine_instructions): Rename check_promoted_subreg to
13365 check_conversions.
13366 (reg_truncated_to_mode): New function.
13367 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13368 (gen_lowpart_or_truncate): New function.
13369 (force_to_mode): Use it instead of gen_lowpart.
13371 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13373 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13374 VAR is a tag, not its type tag.
13376 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13378 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13379 alternatives to match style of other entries.
13380 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13382 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13384 PR tree-optimization/25771
13385 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13386 SSA_NAMES.
13388 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13390 PR tree-opt/24365
13391 * tree-inline.c (declare_return_variable): If the return variable
13392 was marked as a non gimple complex, set the return slot variable
13393 to be a non gimple comple variable.
13395 2006-01-13 Richard Guenther <rguenther@suse.de>
13397 * builtins.c (expand_builtin_sincos): New function.
13398 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13399 do not set errno.
13400 (expand_builtin): Expand sincos using expand_builtin_sincos.
13402 2006-01-12 DJ Delorie <dj@redhat.com>
13404 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13405 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13406 so that constant shifts can be split.
13407 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13408 (m32c_valid_pointer_mode): Make static.
13409 (shift_gen_func_for): New.
13410 (m32c_prepare_shift): Use it. Split large const shifts into
13411 multiple shifts.
13412 * config/m32c/predicates.md (shiftcount_operand): Allow more
13413 general operands.
13414 (longshiftcount_operand): New.
13415 * doc/md.texi (Machine Constraints): Document In6.
13417 2006-01-13 Ben Elliston <bje@au.ibm.com>
13419 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13420 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13421 documentation.
13423 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13425 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13426 to try to avoid clobbering pieces of structures when we know
13427 something about the whole structure.
13428 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13430 2006-01-13 Ben Elliston <bje@au.ibm.com>
13432 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13433 return in memory, as this is no limitation is no longer present.
13435 2006-01-12 DJ Delorie <dj@redhat.com>
13437 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13438 mova with fb, and for fb+0 -> An.
13440 * config/m32c/mov.md (peephole2): Fix enabling logic.
13442 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13443 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13444 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13445 FINI_ARRAY_SECTION_ASM_OP): Define.
13447 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13448 variable.
13449 (m32c_legitimize_reload_address): New logic to reload FB to An.
13450 (m32c_output_reg_push): Add newline.
13451 (m32c_output_reg_pop): Likewise.
13453 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13455 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13457 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13459 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13461 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13463 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13464 match_code.
13466 2006-01-11 Ben Elliston <bje@au.ibm.com>
13468 * rtlanal.c (find_reg_note): Assert insn is not null.
13470 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13472 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13473 ifdef.
13475 2006-01-11 Jeff Law <law@redhat.com>
13477 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13478 hold edge pairs.
13479 (mark_threaded_blocks, register_jump_thread): New functions.
13480 (thread_through_all_blocks): Remove unwanted argument. No
13481 longer rely on e->aux to communicate thread target info.
13482 Call mark_threaded_blocks. Release the threaded_blocks
13483 bitmap and threaded_edges vector when complete.
13484 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13485 (threaded_blocks): Remove.
13486 (tree_ssa_dominator_optimize): Remove initialization and
13487 finalization of threaded_blocks. Simplify call to
13488 thread_through_all_blocks.
13489 (thread_across_edge): Call register_jump_thread rather than
13490 storing thread information into e->aux.
13491 (free_all_edge_infos): Simplify now that e->aux is no longer
13492 used to communicate with thread_through_all_blocks.
13493 * tree-flow.h (thread_through_all_blocks): Update prototype.
13494 (register_jump_thread): Prototype.
13496 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13498 * df-core.c (df_compact_blocks, df_bb_replace): Use
13499 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13501 2006-01-11 Richard Guenther <rguenther@suse.de>
13503 PR tree-optimization/25734
13504 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13505 stop propagation after successful propagation to the LHS.
13507 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13509 * basic-block.h (control_flow_graph): Change the type of
13510 x_basic_block_info to VEC(basic_block,gc) *.
13511 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13512 basic_block_info.
13513 (SET_BASIC_BLOCK): New.
13514 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13515 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13516 * cfgbuild.c (find_basic_blocks): Likewise.
13517 * cfglayout.c (fixup_reorder_chain): Likewise.
13518 * cfgrtl.c (create_basic_block_structure,
13519 rtl_create_basic_block): Likewise.
13520 * ifcvt.c (find_if_case_1): Likewise.
13521 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13522 Likewise.
13524 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13526 * Makefile.in: Removed rotted odf.c entry.
13528 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13530 PR target/25706
13531 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13532 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13533 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13534 output pattern modifier, not %e.
13535 * config/cris/cris.c (cris_op_str): Update comment about pattern
13536 modifier.
13537 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13538 before falling through into...
13539 <case 'E'>: Redefined from old 'e' case.
13541 2006-01-11 Jan Hubicka <jh@suse.cz>
13543 PR target/25042
13544 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13546 2006-01-11 Jan Hubicka <jh@suse.cz>
13548 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13549 * i386.c (x86_decompose_lea): Kill.
13550 (ix86_rtx_costs): Kill.
13552 2006-01-11 Jan Hubicka <jh@suse.cz>
13554 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13555 * cgraph.h (cgraph_node): Add inline_decl.
13556 (cgraph_insert_node_to_hashtable): Declare.
13557 (save_inline_function_body): Declare.
13558 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13559 clones.
13560 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13561 (cgraph_function_versioning): Update call of tree_function_versioning.
13562 (save_inline_function_body): New function.
13563 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13564 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13565 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13566 (cgraph_default_inline_p): Likewise.
13567 (cgraph_decide_inlining_incrementally): Likewise.
13568 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13569 (copy_bb): Kill saving; do updating of clones.
13570 (copy_cfg_body): Kill saving.
13571 (initialize_inlined-parameters): Likewise.
13572 (expand_call_inline): Likewise.
13573 (save_body): Kill.
13574 (tree_function_versioning): New parameter "update_clones".
13575 (inlining_p): Kill saving.
13576 * tree-inline.h (tree_function_versioning): Update prototype.
13577 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13578 saving.
13580 2006-01-11 Ian Lance Taylor <ian@airs.com>
13582 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13583 Allow undoing set of machine mode.
13584 (do_SUBST): Use enums instead of is_int.
13585 (do_SUBST_MODE): New function.
13586 (SUBST_MODE): New macro.
13587 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13588 reg and trying to replace reg_regno_rtx with a new register.
13589 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13590 (simplify_set): Use SUBST_MODE.
13591 (distribute_notes): Remove code that tried to update reg notes
13592 for regno_reg_rtx changes.
13594 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13596 PR tree-optimization/23109
13597 PR tree-optimization/23948
13598 PR tree-optimization/24123
13600 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13601 * tree-cfg.c (single_noncomplex_succ): New.
13602 * tree-flow.h (single_noncomplex_succ): Declare it.
13603 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13604 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13605 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13606 insert_bb, register_division_in, insert_reciprocals,
13607 replace_reciprocal, free_bb): New.
13608 (execute_cse_reciprocals_1): Rewritten.
13609 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13610 Do not commit any edge insertion. Always compute dominators and
13611 create the allocation pool.
13612 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13613 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13614 * targhooks.c (default_min_divistions_for_recip_mul): New.
13615 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13616 * passes.c (init_optimization_passes): Run recip after tree loop
13617 optimizations.
13618 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13620 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13621 Kenneth Zadeck <zadeck@naturalbridge.com>
13623 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13624 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13625 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13626 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13627 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13628 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13629 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13630 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13631 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13632 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13633 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13634 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13635 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13636 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13637 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13638 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13639 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13640 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13641 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13642 DF_SCAN_POST_ALLOC): New macros.
13643 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13644 df_free_bb_function, df_local_compute_function, df_init_function,
13645 df_dataflow_function, df_confluence_function_0,
13646 df_confluence_function_n, df_transfer_function,
13647 df_finalizer_function, df_free_function, df_dump_problem_function,
13648 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13649 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13650 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13651 df_urec_bb_info, ) New types.
13652 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13653 variables.
13654 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13655 df_analyze_simple_change_some_blocks,
13656 df_analyze_simple_change_one_block, df_compact_blocks,
13657 df_bb_replace, df_bb_regno_last_use_find,
13658 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13659 df_insn_regno_def_p, df_find_def, df_find_use,
13660 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13661 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13662 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13663 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13664 debug_df_chain, df_get_dependent_problem, df_chain_create,
13665 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13666 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13667 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13668 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13669 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13670 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13671 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13672 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13673 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13674 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13675 df_reorganize_refs, df_set_state, df_hard_reg_init,
13676 df_read_modify_subreg_p) New public functions.
13677 * df-core.c: The core dataflow solver and glue routines for rtl
13678 dataflow.
13679 (df_init, df_add_problem, df_set_blocks, df_finish,
13680 df_hybrid_search_forward, df_hybrid_search_backward,
13681 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13682 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13683 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13684 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13685 df_reg_defined, df_find_use, df_reg_used, df_dump,
13686 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13687 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13688 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13689 debug_df_useno, reset_df_after_reload): New functions.
13690 * df-scan.c: The scanning fuctions, once in df.c, completely
13691 rewritten so that they now fully model the functionality of
13692 register usage at the backend.
13693 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13694 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13695 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13696 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13697 df_get_artificial_defs, df_get_artificial_uses,
13698 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13699 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13700 df_refs_delete, df_reorganize_refs, df_set_state,
13701 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13702 df_def_record_1, df_defs_record, df_uses_record,
13703 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13704 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13705 df_record_exit_block_uses, df_hard_reg_init): New functions.
13707 * df-problems.c: Seven concrete dataflow problems that use the
13708 scanning in df-scan.c and are solved by the engine in df-core.c.
13709 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13710 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13711 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13712 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13713 df_ru_free_bb_info, df_ru_alloc,
13714 df_ru_bb_local_compute_process_def,
13715 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13716 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13717 df_ru_transfer_function, df_ru_free, df_ru_dump,
13718 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13719 df_rd_free_bb_info, df_rd_alloc,
13720 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13721 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13722 df_rd_transfer_function, df_rd_free, df_rd_dump,
13723 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13724 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13725 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13726 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13727 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13728 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13729 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13730 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13731 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13732 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13733 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13734 df_urec_mark_reg_use_for_earlyclobber,
13735 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13736 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13737 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13738 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13739 df_chain_create_bb_process_use, df_chain_create_bb,
13740 df_chain_finalize, df_chain_free, df_chains_dump,
13741 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13742 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13743 df_reg_lifetime): New functions.
13744 * df.c: Deleted file.
13745 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13746 consistent with new df api.
13747 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13748 rest_of_handle_sms): Ditto.
13749 * web.c (unionfind_union, union_defs, entry_register, web_main):
13750 Ditto.
13751 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13752 invariant_expr_equal_p, find_defs, check_dependencies,
13753 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13754 free_inv_motion_data, move_loop_invariants): Ditto.
13755 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13756 Update dependencies.
13757 (odf.c): Added defective entry that was deleted later in day.
13758 * sched-deps.c (sched_analyze_1): Ditto.
13760 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13762 * tree-ssa-operands.c (get_expr_operands): Record addressable
13763 variables directly. Do not call add_stmt_operands for CONST_DECLs
13764 and ARRAY_DECLs.
13765 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13766 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13768 2006-01-11 Ben Elliston <bje@au.ibm.com>
13770 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13771 function returns true in the positive case.
13773 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13775 PR target/20754
13776 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13777 for SI, DI, SF and DF modes. Add alternatives to copy between
13778 general and floating point registers to the 32-bit patterns.
13779 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13780 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13781 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13782 generating 64-bit code.
13783 * config/pa/pa.c (output_move_double): Handle copies between general
13784 and floating registers.
13786 2006-01-10 Stuart Hastings <stuart@apple.com>
13788 * config/i386/i386.md (set_got): Update.
13789 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13790 (builtin_setjmp_receiver): Mach-O support.
13791 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13792 (GOT_SYMBOL_NAME): Define.
13793 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13794 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13795 * config/i386/i386.c (override_options): Revise for Darwin.
13796 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13797 support. (darwin_x86_file_end): New. (output_set_got): Add label
13798 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13799 * config/i386/i386-protos.h (output_set_got): Likewise.
13800 * config/darwin.c (machopic_legitimize_pic_address): Update
13801 regs_ever_live[].
13803 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13805 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13806 when MODE isn't BLKmode.
13808 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13810 PR rtl-optimization/25367
13811 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13813 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13815 PR target/25718
13816 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13817 for a negative bound.
13819 2006-01-10 Richard Guenther <rguenther@suse.de>
13821 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13822 Never override with anything constraint.
13824 2006-01-10 Jan Beulich <jbeulich@novell.com>
13826 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13827 256 bits when optimize_size.
13829 2006-01-10 Jan Beulich <jbeulich@novell.com>
13831 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13832 MASK_ALIGN_DOUBLE.
13833 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13834 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13835 arguments.
13837 2006-01-10 Ben Elliston <bje@au.ibm.com>
13839 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13840 float modes.
13841 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13842 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13843 (USE_FP_FOR_ARG): Reject decimal float modes.
13844 (function_arg_advance): Likewise.
13845 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13846 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13847 point types in AltiVec vectors.
13848 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13849 (rs6000_libcall_value): Likewise.
13851 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13853 * config/xtensa/ieee754-df.S: New file.
13854 * config/xtensa/ieee754-sf.S: New file.
13855 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13856 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13857 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13859 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13861 * config/sh/predicates.md (binary_float_operator,
13862 binary_logical_operator, commutative_float_operator,
13863 equality_comparison_operator, greater_comparison_operator,
13864 less_comparison_operator, logical_operator,
13865 noncommutative_float_operator, shift_operator,
13866 symbol_ref_operand, unary_float_operator): Remove redundant
13867 conditionals.
13869 2006-01-09 Jeff Law <law@redhat.com>
13871 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13872 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13873 now unused arguments. Callers updated.
13874 (eliminate_redundant_computations): Remove now unused arguments,
13875 callers updated.
13876 (local_fold): Remove, no longer used.
13877 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13878 and moved to...
13879 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13880 (simplify_cond): New function.
13881 (forward_propagate_into_cond): Call simplify_cond.
13883 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13885 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13886 (*vec_extractv2di_1_sse): New.
13888 2006-01-09 Ben Elliston <bje@au.ibm.com>
13890 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13892 2006-01-08 Richard Guenther <rguenther@suse.de>
13894 * tree-ssa-structalias.c (get_constraint_for): Remove
13895 anyoffset argument.
13896 (get_constraint_for_component_ref): Likewise.
13897 (do_deref): Likewise.
13898 (get_constraint_for): Likewise.
13899 (do_structure_copy): Likewise.
13900 (handle_ptr_arith): Likewise.
13901 (find_func_aliases): Likewise. Remove unused need_anyoffset
13902 variable.
13904 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13905 Kaz Kojima <kkojima@gcc.gnu.org>
13907 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13908 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13909 (EXTRA_CONSTRAINT_C16): Remove.
13910 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13911 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13912 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13913 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13914 constants of SHmedia. Handle nested constant expressions of
13915 SHmedia correctly.
13916 (andcosts): Fix the costs for SHmedia constants.
13917 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13918 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13919 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13920 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13921 (movv4hi_i, movv2si_i): Likewise.
13922 (movsi_const): Adjust the second operand of ior so to match with
13923 the Csu constraint.
13924 (movdi_const, movdi_const_32bit): Likewise.
13925 (movdi_const_16bit+1): Don't sign-extend LOW.
13926 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13927 step.
13928 (*double_shori): Fix the split condition. Use GEN_INT instead
13929 of get_int_mode calls. Mask lower 16-bit of the argument of
13930 the last GEN_INT.
13931 (sym2GOTPLT): Remove.
13932 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13933 gen_rtx_UNSPEC.
13934 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13935 instead of EXTRA_CONSTRAINT_C16.
13937 2006-01-07 Ian Lance Taylor <ian@airs.com>
13938 David Edelsohn <edelsohn@gnu.org>
13940 PR rtl-optimization/25662
13941 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13942 for constant operands instead of simplify_gen_binary.
13943 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13944 after trying simplify_binary_operation
13946 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13948 * tree.c (iterative_hash_expr): Hash decls based on UID.
13950 2006-01-06 Eric Christopher <echristo@apple.com>
13952 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13953 (TARGET_UNWIND_EMIT): Fix spelling.
13954 * target.h (gcc_target): Add except_table_label.
13955 * except.c (output_function_exception_table): Use.
13956 * varasm.c (default_emit_except_table_label): New.
13957 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13958 define.
13959 (asm_out): Add here.
13960 * output.h (default_emit_except_table_label): Prototype.
13961 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13962 * config/darwin.c (darwin_emit_except_table_label): Define.
13963 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13965 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13967 PR tree-optimization/18527
13968 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13969 number_of_iterations_special, number_of_iterations_exit):
13970 Move base and step of an iv to a single structure. Add
13971 no_overflow flag, and use it in # of iterations analysis.
13972 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13973 folded_casts argument.
13974 (simple_iv): Pass base and step in a structure. Set no_overflow
13975 flag.
13976 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13977 Evaluate expensiveness of computing # of iterations instead of
13978 the final expression.
13979 * tree-scalar-evolution.h (affine_iv): New structure.
13980 (simple_iv): Declaration changed.
13981 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13982 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13983 find_givs_in_stmt): Changed due to simple_iv change.
13985 2006-01-06 Jeff Law <law@redhat.com>
13987 PR ada/24994
13988 * tree-cfg.c (bsi_replace): Rename final argument from
13989 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13990 change (stmt -> orig_stmt).
13991 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13992 (bsi_remove): Add new argument. Remove EH information
13993 if requested.
13994 (verify_eh_throw_table_statements): New function.
13995 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13996 updated.
13997 * tree-optimize.c (execute_free_cfg_annotations): Verify
13998 the EH throw statement table after removing annotations.
13999 * except.h (verify_eh_throw_table_statements): Prototype.
14000 * tree-flow.h (bsi_remove): Update prototype.
14001 * tree-vrp.c (remove_range_assertions): Add new argument to
14002 bsi_remove call.
14003 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14004 * tree-complex.c (expand_complex_div_wide): Likewise.
14005 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14006 * tree-tailcall.c (eliminate_tailcall): Likewise.
14007 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14008 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14009 * tree-nrv.c (tree_nrv): Likewise.
14010 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14011 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14012 (combine_blocks): Likewise.
14013 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14014 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14015 (cleanup_control_flow): Likewise.
14016 (remove_forwarder_block): Likewise.
14017 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14018 * tree-sra.c (sra_replace): Likewise.
14019 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14020 (forward_propagate_single_use_vars): Likewise.
14021 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14022 * tree-inline.c (expand_call_inline): Likewise.
14023 * tree-vect-transform.c (vect_transform_loop): Likewise.
14024 * tree-outof-ssa.c (rewrite_trees): Likewise.
14025 * tree-cfg.c (make_goto_expr_edges): Likewise.
14026 (cleanup_dead_labels): Likewise.
14027 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14028 (bsi_move_before, bsi_move_after): Likewise.
14029 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14030 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14032 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14034 PR tree-opt/25528
14035 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14036 and IMAGPART_EXPR.
14037 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14038 on non gimple variables. Also add checks at the top for decls and
14039 mtags.
14040 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14041 complex types.
14042 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14043 and IMAGPART_EXPR for creating MUST_DEFs.
14044 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14045 and NAME_MEMORY_TAG separately from the DECLs.
14047 2006-01-06 Richard Guenther <rguenther@suse.de>
14049 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14050 annotation, if necessary.
14051 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14052 redundant calls to update_stmt.
14053 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14054 Likewise.
14056 2006-01-05 Richard Henderson <rth@redhat.com>
14058 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14060 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14062 * c-typeck.c: Update copyright date.
14064 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14066 * c-typeck.c (build_c_cast): Always warn when casting
14067 from a pointer to an integer of different size, even if
14068 the node was constant.
14070 2006-01-05 Richard Guenther <rguenther@suse.de>
14072 PR tree-optimization/22555
14073 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14074 if one structure field is an array.
14075 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14076 operands even if we found a subvar, but ignore VOPs in this
14077 case.
14078 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14079 for renaming.
14080 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14082 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14084 PR middle-end/24998
14085 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14087 2006-01-05 Richard Guenther <rguenther@suse.de>
14088 Diego Novillo <dnovillo@redhat.com>
14090 * tree-pass.h (TODO_remove_unused_locals): Define.
14091 * gimple-low.c (expand_var_p, remove_useless_vars,
14092 pass_remove_useless_vars): Remove. Update all users.
14093 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14094 (remove_unused_locals): New function.
14095 * tree-flow.h (remove_unused_locals): Declare.
14096 * passes.c (execute_todo): Call remove_unused_locals if
14097 TODO_remove_unused_locals is set.
14098 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14099 * tree-ssa-dce.c (pass_dce): Likewise.
14100 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14102 2006-01-05 Richard Guenther <rguenther@suse.de>
14104 * tree-flow.h (struct fieldoff): Decompose field to
14105 type, size and decl.
14106 * tree-ssa-alias.c (create_sft): Take type as parameter.
14107 (create_overlap_variables_for): Store type, size and decl
14108 in the fieldoff structure.
14109 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14110 of struct fieldoff.
14111 (push_fields_onto_fieldstack): Likewise.
14112 (create_variable_info_for): Likewise. Use offset for the
14113 SFT name if the decl is not available.
14115 2006-01-04 Paul Brook <paul@codesourcery.com>
14117 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14119 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14121 * lambda-code.c (can_put_in_inner_loop): Relax
14122 restrictions.
14123 (can_put_after_inner_loop): New function.
14124 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14125 (perfect_nestify): Change to make copies and modify uses.
14127 2006-01-04 Richard Henderson <rth@redhat.com>
14129 Merge from gomp branch:
14130 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14131 via integer constant.
14132 (pragma_lex): Remove.
14133 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14134 rather than parsing it.
14135 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14136 handle_pragma_extern_prefix): Add %< %> quotes.
14137 (registered_pragmas): New.
14138 (c_register_pragma_1): New.
14139 (c_register_pragma): Use it.
14140 (c_register_pragma_with_expansion): Likewise.
14141 (c_invoke_pragma_handler): New.
14142 (init_pragma): Use cpp_register_deferred_pragma directly for
14143 pch_preprocess.
14144 * c-pragma.h (enum pragma_kind): New.
14145 (pragma_handler): New.
14146 (c_invoke_pragma_handler): Declare.
14147 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14148 CPP_PRAGMA_EOL.
14149 * c-common.h (c_common_pch_pragma): Update decl.
14150 * Makefile.in (c-parser.o): Update dependencies.
14151 (GTFILES): Add c-pragma.h.
14152 * c-parser.c (struct c_token): Add pragma_kind.
14153 (struct c_parser): Add in_pragma.
14154 (c_lex_one_token): Always initialize keyword and pragma_kind.
14155 Extract data for CPP_PRAGMA.
14156 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14157 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14158 Don't allow CPP_PRAGMA_EOL if in_pragma.
14159 (c_parser_consume_pragma): New.
14160 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14161 (c_parser_skip_to_end_of_parameter): Likewise.
14162 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14163 (c_parser_skip_to_pragma_eol): New.
14164 (c_parser_external_declaration): Handle CPP_PRAGMA.
14165 (c_parser_compound_statement_nostart): Likewise.
14166 (c_parser_statement_after_labels): Likewise.
14167 (c_parser_pragma): New.
14168 (pragma_lex): Likewise.
14169 (c_parser_pragma_pch_preprocess): New.
14170 (c_parser_new): Merge into ...
14171 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14173 2006-01-04 Jeff Law <law@redhat.com>
14175 PR ada/24994
14176 * tree-cfg.c (bsi_replace): Remove the original statement
14177 from the EH throw statement table.
14179 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14181 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14182 make the prototype extern "C" and add throw ().
14184 PR target/25554
14185 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14186 and pos non-negative and pos + len <= 32.
14187 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14188 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14189 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14191 PR c/25559
14192 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14193 as well as sizes not multiple of component size.
14195 PR debug/25562
14196 * function.c (instantiate_expr): New function.
14197 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14198 walk its DECL_VALUE_EXPR with instantiate_expr.
14200 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14201 DW_OP_deref{,_size} if address isn't going to be added.
14203 2006-01-04 Ben Elliston <bje@au.ibm.com>
14205 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14206 * config/fp-bit.c: Likewise.
14208 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14210 * dominance.c: Add comment about why we use DFS numbering
14211 of dominance tree.
14213 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14214 Richard Henderson <rth@redhat.com>
14216 Merge from gomp-branch:
14217 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14218 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14220 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14222 PR rtl-optimization/25578
14223 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14224 pass a parameter to simplify_shift_const if changing ASHIFTRT
14225 to LSHIFTRT.
14227 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14229 * builtins.c (get_builtin_sync_mem): New function.
14230 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14231 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14232 Call get_builtin_sync_mem to generate mem rtx.
14234 2006-01-03 Richard Guenther <rguenther@suse.de>
14236 PR c/25183
14237 * stmt.c (add_case_node): Make sure to clear overflow flags
14238 from ranges.
14240 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14242 Merge from gomp-branch.
14243 * config/sparc/sync.md: New file.
14244 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14245 UNSPECV_LDSTUB): New constants.
14246 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14247 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14248 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14249 prototype.
14251 2006-01-03 Roger Sayle <roger@eyesopen.com>
14253 * combine.c (reg_subword_p): New predicate to test whether the
14254 destination of a set refers to a subword/piece of a register.
14255 (try_combine): Generalize the code to merge the setting of a
14256 pseudo to a constant followed by a set of a subword of that
14257 register to a constant.
14259 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14261 * basic-block.h (control_flow_graph): Change the type of
14262 x_label_to_block_map to VEC(basic_block,gc) *.
14263 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14264 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14266 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14267 VEC(basic_block,heap) *.
14268 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14269 ssa_prop_fini): Adjust the uses of cfg_blocks.
14271 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14273 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14274 COMPONENT_REFs.
14275 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14276 hashing trees instead of a pointer hash.
14277 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14278 compare for MEM_EXPR.
14280 PR rtl-optimization/25130
14281 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14282 when comparing MEMs for GCSE
14284 2006-01-03 Ben Elliston <bje@au.ibm.com>
14286 * targhooks.h (default_decimal_float_supported_p): Declare.
14287 * targhooks.c (default_decimal_float_supported_p): Define.
14288 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14289 `default_decimal_float_supported_p'.
14290 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14292 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14294 * combine.c (apply_distributive_law <SUBREG>): Check
14295 TRULY_NOOP_TRUNCATION.
14297 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14299 * dwarf2out.c (have_switched_text_section): Delete.
14300 (have_multiple_function_sections): New.
14301 (have_location_lists): Make 'bool'.
14302 (add_AT_loc_list): Use 'true' not '1'.
14303 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14304 (output_loc_list): Use have_multiple_function_sections.
14305 (output_ranges): Likewise.
14306 (dwarf2out_begin_function): Set have_multiple_function_sections if
14307 necessary.
14308 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14309 Check function_section rather than DECL_SECTION_NAME.
14310 (dwarf2out_finish): Use have_multiple_function_sections.
14311 Don't clear have_location_lists.
14313 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14314 Jan Hubicka <jh@suse.cz>
14316 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14317 case of conditional jump jumping to the next instruction.
14318 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14319 cases of conditional jump jumping to the next instruction.
14321 2006-01-02 Jan Hubicka <jh@suse.cz>
14323 * i386.c (*_cost): Add COSTS_N_INSNS.
14324 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14326 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14328 PR target/25259
14329 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14331 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14333 * config/arm/arm.c (all_fpus): Fix comment typo.
14334 * config/darwin.c: Likewise.
14335 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14336 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14337 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14339 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14341 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14342 (rs6000_split_compare_and_swapqhi): New.
14343 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14344 (sync_compare_and_swapqhi_internal): New.
14345 * config/rs6000/rs6000-protos.h: Declare.