| blob | cf04b9473d2598aa2b614b04e196dc2356c6e0b2 |
1 2006-08-06 Andreas Schwab <schwab@suse.de>
3 * config/m68k/m68k.md (truncxfsf2): Readd.
5 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
7 PR target/27827
9 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
10 instructions.
12 2006-08-06 Andreas Schwab <schwab@suse.de>
14 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
15 string. Whitespace and comment fixup.
17 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19 PR c/28502
20 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
21 argument.
23 PR c/27721
24 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
26 PR c/28136
27 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
29 2006-08-04 Jan Hubicka <jh@suse.cz>
31 PR target/26655
32 PR target/28270
33 * reload.c (push_reload): Patch out the mismatching instruction;
34 return early.
35 (find_reload): Bail out if the instruction was patched out.
37 2006-08-04 Jan Hubicka <jh@suse.cz>
39 PR tree-optimization/24888
40 * tree-inline.c (expand_call_inline): Do not re-record variables.
41 (declare_inline_vars): Add variable to unexpanded_var_list.
43 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
44 Roger Sayle <roger@eyesopen.com>
46 PR rtl-optimization/26244
47 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
48 inner_const are negative or greater than or equal to the bitsize of
49 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
50 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
51 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
52 CONST0_RTX (mode) when the new shift count is greater than or equal to
53 to the bitsize of the object being shifted and XEXP (y, 0) has no side
54 effects.
56 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
58 * tree-cfg.c: Fix a comment typo.
60 2006-08-03 Mark Mitchell <mark@codesourcery.com>
62 PR c++/28148
63 * varasm.c (output_constant): Give the front end another chance to
64 expand constants, after stripping NOPs.
66 2006-08-03 Jan Hubicka <jh@suse.cz>
68 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
69 implementation.
71 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
73 PR tree-optimization/27770
74 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
75 declaration removed (moved to tree-flow.h).
76 (vect_can_force_dr_alignment_p): Likewise.
77 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
78 (moved from tree-vectorizer.h).
79 (vect_can_force_dr_alignment_p): Likewise.
80 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
81 from outside the vectorizer - in particular from cgraph stage.
82 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
83 the alignment of global arrays when -fsection-anchors is enabled.
84 * cgraphunit.c (cgraph_increase_alignment): New function.
85 (cgraph_optimize): Call cgraph_increase_alignment.
87 2006-08-03 David Edelsohn <edelsohn@gnu.org>
89 PR target/27566
90 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
91 not reload a SPE symbol_ref into a lo_sum address.
93 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
95 PR debug/28063
96 * dwarf2out.c (prune_unused_types_prune): Move call to
97 prune_unused_types_update_strings to cover the parent DIE also.
99 2006-08-02 Jan Hubicka <jh@suse.cz>
101 PR gcov/profile/28480
102 * tree-cfg.c (change_bb_for_stmt): New function.
103 (tree_merge_blocks, tree_split_blocks): Use it.
105 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
107 PR c++/28250
108 PR c++/28257
109 PR c++/28259
110 PR c++/28267
111 * toplev.c (compile_file): Return early on errorcount or sorrycount.
112 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
113 (cgraph_optimize): Likewise.
115 2006-08-01 Stuart Hastings <stuart@apple.com>
117 * rtl.h (UINTVAL) New.
118 * config/rs6000/rs6000.c (SMALL_INT) Use it.
119 * testsuite/gcc.dg/20060801-1.c: New.
121 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
123 PR debug/23336
124 * c-typeck.c (build_external_type): Mark used enum types.
125 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
126 cfun also.
127 (gen_subprogram_die): Whitespace fix.
129 2006-08-01 Jan Hubicka <jh@suse.cz>
131 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
132 bitmap when not needed.
133 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
134 bitmaps.
136 2006-08-01 Dirk Mueller <dmueller@suse.de>
138 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
140 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
142 * Makefile.in: Revert part of previous patch:
143 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
144 and REGS_H.
146 2006-07-30 Eric Christopher <echristo@apple.com>
148 PR target/27543
149 * doc/extend.texi (i386 Variable Attributes): Add anchor.
150 (PowerPC Variable Attributes): New section.
152 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
154 PR target/28126 (partial fix)
155 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
157 2006-07-28 Jan Hubicka <jh@suse.cz>
159 PR rtl-optimization/28071
160 * cfgrtl.c (rtl_delete_block): Free regsets.
161 * flow.c (allocate_bb_life_data): Re-use regsets if available.
163 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
165 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
166 and variables used in dependencies.
168 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
170 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
171 %fs for -mcmodel=kernel.
172 (stack_tls_protect_test_di): Likewise.
174 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
176 * Makefile.in: Use mkinstalldirs.
178 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
180 PR driver/28437
181 * opts-common.c (prune_options): Skip joined switches.
183 2006-07-27 Jan Hubicka <jh@suse.cz>
185 PR rtl-optimization/28071
186 * cselib.c (cselib_process_insn): Don't remove useless values too
187 often for very large hashtables.
189 2006-07-27 Jan Hubicka <jh@suse.cz>
191 PR rtl-optimization/28071
192 * global.c (greg_obstack): New obstack.
193 (allocate_bb_info): Use it.
194 (free_bb_info): Likewise.
195 (modify_reg_pav): Likewise.
197 2006-07-27 Roger Sayle <roger@eyesopen.com>
199 * builtins.c (fold_fixed_mathfn): When long and long long are the
200 same size, canonicalize llceil*, llfloor*, llround* and llrint*
201 functions to their lceil*, lfloor*, lround* and lrint* forms.
203 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
205 PR gcc/28508
206 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
207 branch.
208 (rev_branch_insn): Likewise.
210 2006-07-27 Jan Hubicka <jh@suse.cz>
212 PR rtl-optimization/28071
213 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
214 (reg_set_in_bb, max_reg_computed): New static variables.
215 (regmove_optimize): Free the new array.
216 (fixup_match_1): Update call of reg_is_remote_constant_p.
218 2006-07-26 Jan Hubicka <jh@suse.cz>
220 PR tree-optimization/27882
221 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
222 and decl fields.
223 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
224 next pointer
225 (cgraph_analyze_compilation_unit): Likewise.
226 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
227 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
228 (cgraph_early_inlinine): Make order garbage collected.
229 * Makefile.in (gt-ipa-inline): New garbagecollected file.
231 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
233 * dbxout.c (output_types_sort): Add a comment.
234 (output_used_types): Free the VEC.
236 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
238 * function.c (reorder_fix_fragments): Delete.
239 (reorder_blocks): Don't call it.
240 (reorder_blocks_1): Put all subblocks under the origin block.
242 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
244 PR rtl-optimization/27907
245 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
246 FLOAT_TRUNCATE.
248 2006-07-25 Roger Sayle <roger@eyesopen.com>
250 PR middle-end/28473
251 * convert.c (convert_to_integer): When transforming (T)foo(x) into
252 bar(x) check that bar's result type can represent all the values of T.
254 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
256 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
258 2006-07-25 Nick Clifton <nickc@redhat.com>
260 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
261 size_lookup[] array.
262 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
263 (ggc_pch_count_object): Likewise.
264 (ggc_pch_alloc_object): Likewise.
265 (ggc_pch_write_object): Likewise.
266 (init_ggc): Do not attempt to initialize entries in the
267 size_lookup[] array for objects whose size is greater than than
268 the length of the array.
270 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
272 * dbxout.c (output_used_types_helper): Push queued types
273 on a VEC.
274 (output_types_sort): New.
275 (output_used_types): Collect used types on a VEC and sort them
276 before emission.
278 2006-07-24 Richard Guenther <rguenther@suse.de>
280 PR middle-end/28463
281 * cgraph.c (cgraph_remove_node): Do not check if dumps
282 are enabled.
283 * cgraphunit.c (cgraph_optimize): Likewise.
285 2006-07-24 Jan Hubicka <jh@suse.cz>
287 PR rtl-optimization/28071
288 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
289 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
290 splitting before first stmt.
292 2006-07-24 Jan Hubicka <jh@suse.cz>
294 PR rtl-optimization/28071
295 * ipa-inline.c (update_caller_keys): Remove edges that
296 are no longer inline candidates.
298 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
300 PR debug/27473
301 * dbxout.c (output_used_types_helper, output_used_types): New.
302 (dbxout_symbol): Call output_used_types.
304 2006-07-23 Jan Hubicka <jh@suse.cz>
306 PR c/25795
307 PR c++/27369
308 * cgraph.c (cgraph_varpool_nodes): Export.
309 (decide_is_variable_needed): Ignored "used" attribute in
310 unit-at-a-time mode.
311 * cgraph.h (cgraph_varpool_nodes): Declare.
312 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
313 unit-at-a-time mode.
315 2006-07-23 Roger Sayle <roger@eyesopen.com>
317 PR target/28247
318 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
319 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
320 the __gthrw form of thr_keycreate.
321 (__gthread_key_delete): Silence the unused argument warning.
323 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
325 PR debug/25468
326 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
327 Cache the last found '\0' marker to avoid quadratic behavior.
329 2006-07-23 Jan Hubicka <jh@suse.cz>
331 * i386.md (subsi_3_zext): Fix output template.
333 2006-07-21 Mike Stump <mrs@apple.com>
335 * doc/invoke.texi (C++ Dialect Options): Note that
336 -fvisibility-inlines-hidden doesn't affect explicitly
337 instantiationed inline methods.
339 2006-07-20 Roger Sayle <roger@eyesopen.com>
341 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
342 if the target assembler is GNU binutils' gas.
343 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
344 whether to pass GNU gas or native as command line options.
346 2006-07-20 Jason Merrill <jason@redhat.com>
348 * tree.c (remove_attribute): New fn.
349 * tree.h: Declare it.
351 2006-07-20 Paul Brook <paul@codesourcery.com>
353 PR 27363
354 * cse.c (cse_insn): Add destination addresses to hash table. Check if
355 they are invalidated by this instruction.
357 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
359 PR target/28427
360 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
362 2006-07-20 Eric Christopher <echristo@apple.com>
364 PR target/26877
365 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
367 2006-07-19 Eric Christopher <echristo@apple.com>
369 * config/t-slibgcc-darwin (stmp-lipo): Remove.
370 Rewrite dependencies for libgcc_s.1.dylib.
372 2006-07-19 Jakub Jelinek <jakub@redhat.com>
374 * except.c (duplicate_eh_regions_1): Clear next_peer.
376 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
378 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
379 -mlongcall does not guarantee all calls will be long.
380 * doc/extend.texi (long_call/short_call): Document that longcall
381 does not guarantee a long call will be used.
382 (longcall/shortcall): Likewise.
384 2006-07-18 Roger Sayle <roger@eyesopen.com>
386 PR middle-end/28283
387 * expmed.c (expand_shift): Additionally check that the shift_cost
388 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
389 before implementing a LSHIFT_EXPR as a sequence of additions.
390 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
391 middle-end that DImode shifts need to be synthesized by expand.
393 2006-07-18 Diego Novillo <dnovillo@redhat.com>
395 PR 28410
396 * tree-ssa-operands.c (access_can_touch_variable): Update
397 comment.
398 Return true if ALIAS is .GLOBAL_VAR.
400 2006-07-18 David Daney <ddaney@avtrex.com>
402 * gcc.c (display_help): Fix typo in help text.
404 2006-07-18 Olivier Hainque <hainque@adacore.com>
406 * tree.h (categorize_ctor_elements): Adjust prototype and add
407 descriptive comment, both in accordance with the interface change
408 described below.
409 * varasm.c (constructor_static_from_elts_p): New function.
410 Whether a constructor node is a valid static constant initializer
411 if all its elements are.
412 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
413 * output.h: Declare it.
414 * expr.c (categorize_ctor_elements_1): Return whether the constructor
415 is a valid constant initializer instead of computing the number of
416 non-constant elements. Use constructor_static_from_elts_p for this
417 purpose. Replace the head comment with an indication that this is a
418 helper for categorize_ctor_elements.
419 (categorize_ctor_elements): Same interface change as for the _1
420 helper. Former head comment from this helper moved here, adjusted to
421 account for the interface changes.
422 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
423 (all_zeros_p): Likewise.
424 * gimplify.c (gimplify_init_constructor): Decide whether we can make
425 static versions of the constructor from the categorize_ctor_elements
426 return value instead of the formerly computed number of non-constant
427 elements.
429 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
431 * configure: Regenerate.
432 * Makefile.in (build_libsubdir): New configure substitution
433 (build_libobjdir): New variable.
434 (BUILD_LIBIBERTY): Use it.
436 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
438 PR c/28286
439 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
441 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
443 PR c/26993
444 * c-common.c (handle_weakref_attribute): Ignore attribute in
445 the same conditions the alias attribute is ignored.
447 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
449 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
450 (dbxout_begin_prologue): Increment scope_labelno.
452 2006-07-17 Richard Henderson <rth@redhat.com>
454 PR 27889
455 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
456 if needed.
458 2006-07-17 Roger Sayle <roger@eyesopen.com>
459 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
461 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
462 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
463 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
464 functions such as sbrk, write, etc.. Add function prototypes.
465 Convert function declarations from K&R to ISO C. Cast pointers
466 to "long" and "unsigned long" instead of "int" and "unsigned int".
467 Convert tokens following #endif into comments.
469 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
471 * invoke.texi: Remove mention of f77; Reformat table for
472 inline parameter options correctly; mention that -malign-double
473 is default on x86-64 targets.
475 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
477 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
478 (convert_affine_scev, chrec_convert_aggressive): Use
479 avoid_arithmetics_in_type_p. Do not check for the subtypes
480 separately.
482 2006-07-17 Richard Sandiford <richard@codesourcery.com>
484 PR middle-end/28403
485 * optabs.c (expand_doubleword_shift): Wrap the call to
486 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
488 2006-07-17 Richard Sandiford <richard@codesourcery.com>
490 PR middle-end/28402
491 * optabs.c (expand_binop): Pass next_methods rather than methods
492 to expand_doubleword_shift.
494 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
496 PR other/28251
497 * tree.h (dump_addr): Declare.
498 * print-tree.c (dump_addr): New function.
499 (print_node_brief, print_node): Use it.
500 * print-rtl.c (print_rtx): Likewise.
501 * common.opt (-fdump-noaddr): New option.
502 * doc/invoke.texi (-fdump-noaddr): Document.
503 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
504 (ve_info_hash): Likewise.
506 2006-07-13 Andrew Haley <aph@redhat.com>
508 PR tree-optimization/19505
509 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
510 edge leaving this block, make sure that the destination of this
511 block has only one predecessor.
513 2006-07-17 Richard Guenther <rguenther@suse.de>
515 PR tree-optimization/28238
516 * tree-inline.c (copy_bb): Check if we produced valid
517 gimple copying and substituting a stmt. If not, gimplify
518 it.
520 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
522 * optabs.c (maybe_encapsulate_block): New function extracted from...
523 (emit_libcall_block): ...here. Invoke it on the block of insns to
524 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
525 (emit_no_conflict_block): Likewise.
527 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
529 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
531 2006-07-15 Roger Sayle <roger@eyesopen.com>
533 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
534 a new NOP_EXPR case of the switch statement.
536 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
538 PR middle-end/28160
539 * stor-layout.c (place_field): Take the bit field with
540 an excessive size into account in the ms-bitfiled case.
542 PR middle-end/28161
543 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
544 the previous bit field.
546 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
548 PR target/27287
549 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
551 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
553 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
554 signal frames correctly even when the signal was installed with
555 sa_restorer set.
557 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
559 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
560 (dbxout_function_end): Use local label LFBB. Remove hook
561 DBX_OUTPUT_NFUN.
562 (dbxout_source_line): Use local label LFBB.
563 (dbxout_block): Likewise.
564 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
565 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
566 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
567 and DBX_OUTPUT_NFUN.
569 2006-07-13 Janis Johnson <janis187@us.ibm.com>
571 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
573 2006-07-13 Jan Hubicka <jh@suse.cz>
575 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
576 align_variable.
577 * output.h (align_variable): Declare.
578 * varasm.c (align_variable): Export.
579 * value-prof.c (tree_value_profile_transformations): Recompute iterator
580 when basic block changed.
582 2006-07-13 Nick Clifton <nickc@redhat.com>
584 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
585 walking the LOG_LINKS chain.
587 2006-07-12 Geoffrey Keating <geoffk@apple.com>
589 * doc/invoke.texi (C++ Dialect Options): Explain difference
590 between -fvisibility-inlines-hidden and setting hidden
591 visibility explicitly.
593 2006-07-12 Eric Christopher <echristo@apple.com>
595 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
596 (stmp-lipo): Depend on libgcc.a.
598 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
600 * tree.c: Fix a comment typo.
602 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
604 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
605 dest.
606 (umulhisi3_r): Likewise.
608 2006-07-12 Paolo Carlini <pcarlini@suse.de>
610 PR libstdc++/27878
611 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
612 x < 19, vs wchar_t support.
614 2006-07-12 Nick Clifton <nickc@redhat.com>
616 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
617 instead of -isa=sh4.
619 2006-07-12 Mike Stump <mrs@apple.com>
621 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
623 2006-07-10 Eric Christopher <echristo@apple.com>
625 * config/t-slibgcc-darwin: Rewrite.
627 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
629 PR bootstrap/20437
630 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
631 dependencies.
633 2006-07-08 Matthias Klose <doko@debian.org>
635 * doc/sourcebuild.texi: Fix typo.
637 2006-07-07 Mike Stump <mrs@apple.com>
639 * toplev.c (process_options): Don't give -ffunction-sections may
640 affect debugging warning for Mach-O.
642 2006-07-07 James E Wilson <wilson@specifix.com>
644 * config/mips/mips.md (cpu): Add sb1a.
645 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
646 addition to sb1. Adjust comments to clarify SB-1A differences from
647 SB-1.
648 (ir_sb1a_load): New. Modify bypasses to use it.
649 (ir_sb1a_simple_alu): Likewise.
650 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
651 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
652 (mips_issue_rate): Add PROCESSOR_SB1A.
653 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
654 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
655 (TARGET_SB1): Add PROCESSOR_SB1A check.
656 (TUNE_SB1): Likewise.
658 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
659 * config/mips/mips.c (mips_store_data_bypass_p): New.
660 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
661 store_data_bypass_p.
663 2006-07-08 Paul Brook <paul@codesourcery.com>
665 PR target/27991
666 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
668 2006-07-07 Richard Guenther <rguenther@suse.de>
670 PR middle-end/28268
671 * tree.h (build_one_cst): Declare.
672 * tree.c (build_one_cst): New function.
673 * tree-ssa-math-opts.c (get_constant_one): Remove.
674 (insert_reciprocals): Use build_one_cst.
675 * fold-const.c (fold_plusminus_mult): Likewise.
677 2006-07-07 Roger Sayle <roger@eyesopen.com>
679 * pointer-set.c (pointer_set_destroy): Correct whitespace.
680 * cfgloopanal.c (dump_graph): Likewise.
681 * dojump.c (discard_pending_stack_adjust): Likewise.
682 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
683 Likewise.
684 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
685 * function.c (finalize_block_changes): Likewise.
686 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
687 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
688 * rtl.c (dump_rtx_statistics): Likewise.
689 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
690 Likewise.
691 * varray.c (dump_varray_statistics): Likewise.
692 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
693 decode_decimal64, encode_decimal128, decode_decimal128,
694 decimal_real_to_decimal): Likewise.
696 2006-07-07 Richard Guenther <rguenther@suse.de>
698 PR tree-optimization/28187
699 * tree-vrp.c (vrp_operand_equal_p): New function.
700 (vrp_bitmap_equal_p): Likewise.
701 (update_value_range): Use them to compare old and new
702 max and min values.
704 2006-07-06 Roger Sayle <roger@eyesopen.com>
706 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
707 a default case to switch statement to silence compiler warnings.
709 2006-07-06 Roger Sayle <roger@eyesopen.com>
711 PR target/27968
712 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
713 the configured assembler supports the x87's ffreep mnemonic.
714 * configure: Regenerate.
715 * config.in: Regenerate.
717 * config/i386/i386.c (output_387_ffreep): New function.
718 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
719 (output_387_reg_move): Likewise.
721 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
723 Port to hosts whose 'sort' and 'tail' implementations
724 treat operands with leading '+' as file names, as POSIX
725 has required since 2001. However, make sure the code still
726 works on pre-POSIX hosts.
727 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
728 which says you should use "tail -c +N" rather than "tail +Nc".
729 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
731 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
733 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
734 argument name.
736 2006-07-06 David Edelsohn <edelsohn@gnu.org>
738 PR target/28150
739 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
740 PRE_{INC,DEC} of TFmode.
742 2006-07-06 David Edelsohn <edelsohn@gnu.org>
743 Alan Modra <amodra@bigpond.net.au>
745 PR target/28170
746 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
747 bounds. Simplify.
749 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
751 PR target/28285
752 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
753 Remove duplicate gtu.
755 2006-07-05 Jason Merrill <jason@redhat.com>
757 PR c++/13983
758 PR c++/17519
759 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
760 * c-common.c (handle_packed_attribute): So don't copy it here.
761 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
763 2006-07-05 Mike Stump <mrs@apple.com>
765 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
767 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
769 PR target/26146
770 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
772 2006-07-05 Richard Guenther <rguenther@suse.de>
774 PR target/28158
775 * config/i386/i386.md (*negdf2_1): Restrict pattern to
776 TARGET_SSE2 targets if using SSE math.
777 (*absdf2_1): Likewise.
779 2006-07-05 Richard Guenther <rguenther@suse.de>
781 PR tree-optimization/28162
782 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
783 make sure to convert the operands to the correct type.
785 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
787 PR tree-optimization/28218
789 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
790 to calculate and free the dominator information.
792 2006-07-04 Peter O'Gorman <peter@pogma.com>
794 * mklibgcc.in: chmod 644 before ranlib during install.
796 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
797 J"orn Rennecke <joern.rennecke@st.com>
799 * configure.ac (.eh_frame data check): Use diff -b.
801 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
803 PR bootstrap/18058
804 * Makefile.in (BUILD_RTL): Add build/vec.o.
805 (build/gencondmd.o): Filter out -fkeep-inline-functions.
806 (build/genextract): Delete.
807 (build/genautomata): Likewise.
809 2006-07-04 Alan Modra <amodra@bigpond.net.au>
811 PR target/28207
812 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
813 128-bit IBM long doubles for ABI_V4.
815 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
817 * tree.c (range_in_array_bounds_p): New predicate.
818 * tree.h (range_in_array_bounds_p): Declare it.
819 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
820 return a less conservative answer.
821 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
822 and flag 'is_group'.
823 (IS_ELEMENT_FOR_GROUP): New macro.
824 (FOR_EACH_ACTUAL_CHILD): Likewise.
825 (next_child_for_group): New helper function.
826 (can_completely_scalarize_p): Take into account groups.
827 (sra_hash_tree): Handle RANGE_EXPR.
828 (sra_elt_eq): Likewise.
829 (lookup_element): Be prepared for handling groups.
830 (is_valid_const_index): Delete.
831 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
832 instead of is_valid_const_index.
833 <ARRAY_RANGE_REF>: New case.
834 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
835 is_valid_const_index.
836 <ARRAY_RANGE_REF>: Do not unconditionally punt.
837 (scan_dump): Dump info for groups too.
838 (decide_instantiation_1): Likewise.
839 (decide_block_copy): Assert that the element is not a group.
840 Propagate decision to groups.
841 (generate_one_element_ref): Handle RANGE_EXPR.
842 (mark_no_warning): Iterate over actual childs.
843 (generate_copy_inout): Likewise.
844 (generate_element_copy): Likewise.
845 (generate_element_zero): Likewise.
846 (generate_element_init_1): Likewise.
847 (dump_sra_elt_name): Handle RANGE_EXPR.
849 2006-07-03 Roger Sayle <roger@eyesopen.com>
851 PR tree-optimization/26251
852 * tree-ssa-threadupdate.c (redirection_block_p): New function.
853 (thread_block): When optimizing for size refuse to thread jumps
854 that would require duplication of blocks other than redirection
855 blocks.
857 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
859 * configure.ac: Fix thinko in previous check-in.
860 * configure: Regenerate.
862 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
864 PR other/27063
865 * configure.ac (for lang...): Simplify nesting of conditionals.
866 Test subdir_requires for non-enabled languages. Move processing
867 of lang_opt_files and lang_tree_fiels below that test.
868 * configure: Regenerate.
869 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
871 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
873 * doc/gcov.texi (Invoking Gcov): Add a missing word.
875 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
877 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
878 comment typos.
880 2006-06-29 Jason Merrill <jason@redhat.com>
882 PR c++/26905
883 PR c++/26612
884 PR c++/27000
885 PR c++/26984
886 PR c++/19134
887 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
888 * c-common.c (c_determine_visibility): Handle it here.
889 * c-decl.c (finish_decl): Call c_determine_visibility for
890 functions, too.
891 * flags.h (enum symbol_visibility): Sort from most to least visibility.
892 * tree.h: Likewise.
893 * varasm.c (default_assemble_visibility): Likewise.
894 * c-common.c (handle_visibility_attribute): Complain about trying
895 to give visibility to an already defined class, or trying to change
896 declared visibility. Always attach the attribute.
898 PR c++/26905
899 PR c++/21675
900 PR c++/17470
901 * attribs.c (decl_attributes): Ignore type-in-place attributes
902 once the type has been defined.
904 2006-06-29 Roger Sayle <roger@eyesopen.com>
906 PR middle-end/27428
907 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
908 to indicate the cpplib has issued an error message for us.
910 2006-06-29 Asher Langton <langton2@llnl.gov>
912 PR target/25765
913 * config/i386/i386.c (ix86_output_function_epilogue): Don't
914 insert a label at the end of an function under Mach-O.
916 2006-06-29 Eric Christopher <echristo@apple.com>
917 Evan Cheng <evan.cheng@apple.com>
919 * predicates.md (vector_all_ones_operand): New.
920 (nonimmediate_or_sse_const_operand): Ditto.
921 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
922 * config/i386/i386.c (standard_sse_constant_opcode): Define.
923 (standard_sse_mode_p): Ditto.
924 (standard_sse_constant_p): Add case for -1 vector.
925 (ix86_expand_vector_move): Try to use.
926 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
927 Call standard_sse_constant_opcode.
928 (*movv4sf_internal): Ditto.
929 (*movv2df_internal): Ditto.
931 2006-06-29 Roger Sayle <roger@eyesopen.com>
933 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
934 of XEXP to extract the operands of a MATCH_CODE rtx.
936 2006-06-28 Andrew Pinski <pinskia@gmail.com>
938 * tree.c (tree_size): Do not waste tail padding in
939 struct tree_string and make the size be the same as
940 build_string will generate.
942 2006-06-28 Jason Merrill <jason@redhat.com>
944 PR c++/27768
945 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
946 may_aliases already in the tag's annotations to the bitmap.
948 2006-06-28 Roger Sayle <roger@eyesopen.com>
950 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
952 2006-06-28 Roger Sayle <roger@eyesopen.com>
954 * genpreds.c (generate_switch_p): New function.
955 (add_mode_tests): Push the new mode test down inside an AND expr
956 if this allows the switch-suitable MATCH_CODE to be near the root.
957 (write_match_code_switch): New function to write a MATCH_CODE as
958 a switch statement.
959 (write_predicate_stmts): New function to write a predicate RTX
960 expression as a sequence of statements.
961 (write_one_predicate_function): Use write_predicate_stmts.
962 (write_tm_constrs_h): Likewise.
964 2006-06-26 Fred Fish <fnf@specifix.com>
966 * config/mips/t-sb1: New file.
967 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
968 tmake_file list.
970 2006-06-26 DJ Delorie <dj@redhat.com>
972 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
974 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
975 Jayant Sonar <jayants@kpitcummins.com>
976 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
978 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
979 (subsi3, subsi3_1, subsi3_2): New.
980 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
981 * config/m32c/mov.md (SI mov peephole): New.
982 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
983 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
985 2006-06-26 Olivier Hainque <hainque@adacore.com>
987 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
988 a CALL_EXPR target function declaration.
990 2006-06-26 Richard Guenther <rguenther@suse.de>
992 * tree.c (build_string): Do not waste tail padding in
993 struct tree_string.
995 2006-06-26 Richard Guenther <rguenther@suse.de>
997 * ggc-page.c (init_ggc): Add missing element to size_lookup
998 table.
1000 Revert
1001 2006-06-23 Richard Guenther <rguenther@suse.de>
1003 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1004 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1005 alignment requests instead. Add verification code.
1006 Add struct tree_function_decl and struct tree_binfo size to
1007 extra_order_size_table. Add missing element to size_lookup
1008 table.
1010 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1012 PR middle-end/28151
1013 * fold-const.c (const_binop): Be prepared for self returning zero.
1014 Simplify code handling complex values.
1016 2006-06-24 Olivier Hainque <hainque@adacore.com>
1018 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1019 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1020 aggregate types.
1022 2006-06-24 Olivier Hainque <hainque@adacore.com>
1024 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1025 ARRAY_REF, so have the callback called for the low bound expression.
1027 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1029 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1030 * c-typeck.c (c_common_type): Disallow operations on decimal float
1031 types and other float types.
1032 * convert.c (convert_to_real): Don't ignore conversions involving
1033 decimal float types.
1035 2006-06-23 Olivier Hainque <hainque@adacore.com>
1037 * tree.c (max_int_size_in_bytes): New function, inspired from
1038 code in function.c:assign_temp.
1039 * tree.h (max_int_size_in_bytes): Declare.
1040 * function.c (assign_temp): Use it.
1041 * gimplify.c (create_tmp_var): Relax the assertions on the type
1042 properties, not mandating constant size any more.
1043 (force_constant_size): New static function.
1044 (gimple_add_tmp_var): Use it, forcing variable size to a
1045 constant upper bound if it is not constant on entry.
1047 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1049 PR target/27789
1050 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1051 for initialization and setting of one_only flag to ...
1052 (i386_pe_encode_section_info): ...here.
1053 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1054 Recheck that the symbol has not been defined.
1056 2006-06-23 Richard Guenther <rguenther@suse.de>
1058 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1059 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1060 alignment requests instead. Add verification code.
1061 Add struct tree_function_decl and struct tree_binfo size to
1062 extra_order_size_table. Add missing element to size_lookup
1063 table.
1065 2006-06-22 Roger Sayle <roger@eyesopen.com>
1066 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1068 PR middle-end/28131
1069 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1070 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1072 2006-06-23 Ben Elliston <bje@au.ibm.com>
1074 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1075 negate dn -- manipulate it directly.
1077 2006-06-22 Roger Sayle <roger@eyesopen.com>
1078 Steven Bosscher <stevenb.gcc@gmail.com>
1080 PR target/27531
1081 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1082 generated by gen_move_insn to add REG_LABEL notes if necessary.
1084 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1086 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1087 (leaf_entry): Remove use of MIN_ESA.
1089 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1091 PR rtl-optimization/28121
1092 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1093 the entry edge.
1095 2006-06-21 DJ Delorie <dj@redhat.com>
1097 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1098 (TN-16C-A156A/E).
1099 (mulhisi3_r): Likewise.
1101 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1103 PR middle-end/28034
1104 * coverage.c (coverage_counter_alloc): Leave the index type
1105 unspecified.
1106 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1107 of the ARRAY_REF.
1109 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1111 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1112 section from the "Options for Code Generation Conventions".
1114 2006-06-21 Richard Henderson <rth@redhat.com>
1116 PR target/26347
1117 PR target/27082
1118 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1119 symbols.
1120 (global_symbolic_operand): Allow weak symbols, even if local_p.
1122 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1124 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1125 (find_interesting_uses_address): Punt if above function returns true.
1127 2006-06-21 Richard Guenther <rguenther@suse.de>
1129 * configure: Regenerated.
1131 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1133 * config/mips/mips.c (function_arg): Where one part of a
1134 complex argument is in registers and the other part in the stack,
1135 return a REG not a PARALLEL.
1137 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1139 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1140 when cross-compiling. Do not substitute libstdcxx_incdir.
1141 * configure: Regenerated.
1143 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1145 * varasm.c (mergeable_string_section): Check for embedded NULs and
1146 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1147 rather than TREE_STRING_LENGTH bytes.
1149 2006-06-21 Richard Guenther <rguenther@suse.de>
1151 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1152 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1153 sizes.
1155 2006-06-21 Richrad Guenther <rguenther@suse.de>
1157 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1158 Limit iteration over the dominators.
1160 2006-06-20 Roger Sayle <roger@eyesopen.com>
1162 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1163 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1165 2006-06-20 Richard Guenther <rguenther@suse.de>
1166 Michael Matz <matz@suse.de>
1168 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1169 function.
1170 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1171 * et-forest.h (et_free_pools): Prototype new function.
1172 * et-forest.c (et_free_tree_force): Free parent occurrence.
1173 (et_free_pools): New function.
1174 * dominance.c (free_dominance_info): Free et-forest alloc
1175 pools.
1177 2006-06-20 Roger Sayle <roger@eyesopen.com>
1179 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1180 integer modes, attempt to directly construct an integer constant.
1182 * fold-const.c (native_encode_vector): Determine the size of each
1183 element from the vector type instead of the first vector element.
1185 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1186 if all of its elements/components are constant.
1187 (build_constructor_from_list): Likewise.
1189 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1191 PR tree-optimization/27331
1192 * tree-data-ref.c (free_data_ref): New function.
1193 (create_data_ref): Fail if the data reference has unknown access
1194 function.
1195 (free_data_refs): Use free_data_ref.
1197 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1199 PR middle-end/28075
1200 * tree-inline.c (setup_one_parameter): Strip useless
1201 type conversion before adding it to the IR.
1202 (declare_return_variable): Likewise.
1204 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1206 PR c/27149
1207 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1209 2006-06-19 Mike Stump <mrs@apple.com>
1211 * tree.c (variably_modified_type_p): VM arguments don't make the
1212 type a VM type.
1214 2006-06-19 Richard Guenther <rguenther@suse.de>
1216 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1217 type conversions after folding.
1219 2006-06-19 Richard Guenther <rguenther@suse.de>
1221 * ggc-page.c (extra_order_size_tab): Add entries with
1222 size of struct function and basic_block.
1223 (size_lookup): Extend to cover sizes up to 511.
1224 (ggc_alloc_stat): Adjust user.
1225 (ggc_pch_count_object): Likewise.
1226 (ggc_pch_alloc_object): Likewise.
1227 (ggc_pch_write_object): Likewise.
1229 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1231 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1232 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1233 correctly.
1235 2006-06-19 Denis Chertykov <denisc@overta.ru>
1237 * config/avr/libgcc.S : Correct my wrong previous commit.
1239 2006-06-19 Roger Sayle <roger@eyesopen.com>
1241 PR target/27861
1242 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1243 have stripped a SUBREG from the shift count, so we may need to
1244 convert_to_mode back to the type's mode before calling make_tree.
1245 Use new_amount instead of amount to avoid expanding a tree twice.
1247 2006-06-19 Richard Guenther <rguenther@suse.de>
1249 PR middle-end/28045
1250 * fold-const.c (operand_equal_p): Check if the argument types
1251 have the same precision before stripping NOPs.
1253 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1255 Fix PR tree-optimization/27341
1256 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1257 statement we get.
1258 * tree-complex.c (pass_lower_complex): Update SMT usage.
1260 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1262 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1263 Add a new alternative to the constraint strings. Add move of
1264 operand 1 to 3 to the splitter definition.
1265 ("doloop_si_long"): Second contraint alternative removed.
1267 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1269 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1270 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1271 __AVR_HAVE_LPMX__.
1272 (AVR_HAVE_MOVW) Define.
1273 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1274 (ASM_SPEC): Add avr25.
1275 (LINK_SPEC): Add avr25.
1276 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1277 (base_arch_s): Add new member 'have_movw_lpmx'.
1278 (avr_arch_types): Init 'have_movw_lpmx'.
1279 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1280 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1281 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1282 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1283 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1284 AVR_HAVE_MOVW.
1285 (avr_file_start): Do not output '.arh' derective.
1286 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1287 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1288 * config/avr/avr.md (mcu_enhanced): Delete.
1289 (mcu_have_movw): Define.
1290 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1291 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1292 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1293 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1294 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1295 attiny861 and at86rf401 devices.
1297 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1299 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1300 of 4096.
1302 2006-06-17 Karl Berry <karl@gnu.org>
1304 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1305 doc/gccint.texi, doc/install.texi (@dircategory): Use
1306 "Software development" instead of "Programming", following
1307 the Free Software Directory.
1309 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1311 * config/i386/i386.c (legitimate_tls_address)
1312 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1313 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1314 (*tls_dynamic_gnu2_combine_64): Likewise.
1316 2006-06-16 Richard Guenther <rguenther@suse.de>
1318 PR middle-end/27116
1319 * fold-const.c (negate_expr_p): Do not introduce undefined
1320 overflow in negating INTEGER_CSTs.
1321 (fold_negate_expr): Rename from negate_expr. Revert last
1322 change for folding BIT_NOT_EXPR. Change semantics to
1323 return NULL_TREE for non-simplified negations. Do not
1324 strip type conversions and unify type handling.
1325 (negate_expr): New function, wrap around fold_negate_expr
1326 but ensure building a tree always. Strip type conversions
1327 here, fold to result type.
1328 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1330 2006-06-16 Roger Sayle <roger@eyesopen.com>
1332 PR middle-end/27802
1333 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1334 that (would) return their results in stack registers.
1336 2006-06-16 Michael Matz <matz@suse.de>
1337 Richard Guenther <rguenther@suse.de>
1339 * fold-const.c (fold_truthop): Only return new tree node if
1340 we canonicalized something.
1342 2006-06-16 Richard Guenther <rguenther@suse.de>
1344 * function.h (enum function_frequency): Move declaration
1345 out of struct function.
1346 (struct function): Move bool fields and the enum to the bitfield
1347 section. Reorder elements to avoid padding. Remove unused
1348 fields left over from the RTL inliner removal.
1349 * function.c (free_after_compilation): Do not zero removed fields.
1350 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1351 (ipa-type-escape.o): Likewise.
1353 2006-06-16 Richard Guenther <rguenther@suse.de>
1355 * cgraph.h (struct cgraph_local_info): Turn bool elements
1356 into a bitfield.
1357 (struct cgraph_node): Likewise.
1358 (struct cgraph_varpool_node): Likewise.
1360 2006-06-15 Richard Guenther <rguenther@suse.de>
1362 * fold-const.c (fold_truth_not_expr): Rename from
1363 invert_truthvalue. Give it fold_* semantics to avoid
1364 generating garbage.
1365 (invert_truthvalue): New function. Wrapper around
1366 fold_truth_not_expr.
1367 (optimize_minmax_comparison): Avoid creating garbage.
1368 (fold_unary): Use fold_truth_not_expr for folding
1369 TRUTH_NOT_EXPR.
1370 (fold_ternary): Replace uses of invert_truthvalue with
1371 fold_truth_not_expr where applicable.
1372 * tree.h (fold_truth_not_expr): Prototype.
1374 2006-06-16 Richard Guenther <rguenther@suse.de>
1376 PR tree-optimization/27781
1377 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1378 * ipa-pure-const.c (target.h): Include.
1379 (analyze_function): Do not analyze functions that do not
1380 bind locally.
1382 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1384 PR middle-end/27793
1385 * tree-dfa.c (referenced_vars_dup_list): Remove.
1386 (find_referenced_vars): Remove assert.
1387 (referenced_var_check_and_insert): Replace dup list with assert.
1388 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1389 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1391 2006-06-15 Richard Guenther <rguenther@suse.de>
1393 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1394 extra unused identifiers if not dumping.
1395 (create_variable_info_for): Likewise.
1397 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1399 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1400 (derive_constant_upper_bound): Derive more precise upper bound in
1401 common cases. Return type changed to double_int.
1402 (record_estimate): Reflect the changed return type of
1403 derive_constant_upper_bound.
1404 * double-int.c (double_int_zext, double_int_sext): Fix.
1406 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1408 * configure.ac (CFLAGS): Get them from the toplevel or from the
1409 configure invocation.
1410 * configure: Regenerate.
1411 * Makefile.in (CFLAGS): Substitute value provided by configure.
1413 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1415 PR c++/26559
1416 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1417 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1418 rather than calling add_stmt on it.
1419 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1421 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1423 PR middle-end/27959
1424 * reload1.c (reload): Remove registers returned by update_eliminables
1425 from used_spill_regs.
1427 2006-06-13 DJ Delorie <dj@redhat.com>
1429 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1431 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1433 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1434 html__strip_dir, html__mkdir_p. Enhance install-html target.
1435 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1436 * configure: Regenerate.
1438 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1440 * fold-const.c (fold_cond_expr_with_comparison): Check for
1441 Objective-C++ as language in deciding COND_EXPR transformation.
1443 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1445 PR target/28014:
1446 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1447 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1448 * config/sh/lib1funcs.h (SL, SL1): Define.
1449 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1450 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1451 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1452 (OBJS_Os_4_200): New variable.
1453 ($(T)libgcc-Os-4-200.a): Use it.
1454 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1455 when dividing 1 and/or by 0.
1457 2006-06-13 Roger Sayle <roger@eyesopen.com>
1459 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1460 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1461 * configure: Regenerate.
1463 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1465 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1466 for real instruction.
1468 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1470 PR middle-end/26807
1471 * haifa-sched.c (check_cfg): Handle special case.
1473 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1475 PR debug/26754
1476 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1477 Add debug_info parameter. Chain the vars to the BLOCK instead
1478 of the BIND_EXPR if debug info are requested for them.
1479 (pop_gimplify_context): Adjust for above change.
1480 (gimple_add_tmp_var): Likewise.
1481 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1482 Add bool parameter.
1483 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1484 (convert_local_reference): Likewise.
1485 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1486 (finalize_nesting_tree_1): Request that debug info be emitted
1487 for debug_var_chain.
1489 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1491 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1492 for PR target/27863.
1494 2006-06-13 Richard Guenther <rguenther@suse.de>
1496 PR middle-end/27536
1497 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1499 2006-06-13 Richard Guenther <rguenther@suse.de>
1501 PR tree-optimization/27830
1502 * tree-inline.c (copy_body_r): For copying the operand
1503 of an ADDR_EXPR make sure to fold &* afterwards.
1505 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1507 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1508 lvalues in the fb_none case with side-effects.
1510 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1512 * tree-flow.h: Remove the prototype for
1513 compute_phi_arg_on_exit.
1514 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1515 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1516 Remove.
1518 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1520 * builtins.c (expand_builtin_return_addr): Only use
1521 frame_pointer_rtx when count == 0 and we are expanding
1522 __builtin_return_address.
1524 2006-06-12 Fred Fish <fnf@specifix.com>
1526 * config/mips/mips.c (mips_file_start): Create special section
1527 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1529 2006-06-11 Eric Christopher <echristo@apple.com>
1531 PR middle-end/27948
1532 * stor-layout.c (place_field): Remove check for
1533 remaining_in_alignment when aligning at the end of a run.
1535 2006-06-11 Eric Christopher <echristo@apple.com>
1537 PR 27542
1538 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1539 pragma.
1541 2006-06-11 Roger Sayle <roger@eyesopen.com>
1543 PR target/27858
1544 Revert incorrect fix for PR target/27158
1545 2006-05-08 Roger Sayle <roger@eyesopen.com>
1546 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1547 of a reg_equiv_constant if the result is a legitimate constant.
1549 2006-06-11 Roger Sayle <roger@eyesopen.com>
1551 PR target/27158
1552 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1553 extract a CONST_VECTOR element and interpret it as an integer.
1554 (vspltis_constant): Use const_vector_elt_as_int instead of the
1555 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1556 * config/rs6000/predicates.md (easy_vector_const): Consider
1557 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1559 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1561 PR middle-end/27942
1562 * stor-layout.c (update_alignment_for_field): Don't add extra
1563 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1564 code.
1566 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1568 * config/mips/t-rtems: Add EL/EB multilib variants.
1570 2006-06-09 Mike Stump <mrs@apple.com>
1572 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1574 2006-06-09 David Daney <ddaney@avtrex.com>
1576 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1578 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1580 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1582 2006-06-09 Richard Guenther <rguenther@suse.de>
1584 PR tree-optimization/26998
1585 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1586 of signed types, only TYPE_MIN_VALUE is special, but for both,
1587 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1588 in this case, as is -fwrapv.
1590 2006-06-08 Mike Stump <mrs@apple.com>
1592 PR target/26427
1593 * config/darwin.c (darwin_asm_output_anchor): Disable
1594 -fsection-anchors on darwin for now.
1595 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1596 * rs6000/rs6000.c (optimization_options): Likewise.
1598 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1600 PR target/27421
1601 * config/i386/i386.c (classify_argument): Skip fields with invalid
1602 types in unions.
1604 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1606 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1607 (cse_insn): Likewise for the stack_pointer_rtx.
1609 2006-06-08 Roger Sayle <roger@eyesopen.com>
1611 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1612 conditions from floating point comparisons.
1614 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1616 PR middle-end/27733
1617 * expmed.c (struct alg_hash_entry): Fix type of field T
1618 to match synth_mult argument.
1619 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1621 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1623 PR target/27863
1624 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1625 block boundaries.
1627 2006-06-08 Richard Guenther <rguenther@suse.de>
1629 PR middle-end/27116
1630 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1631 only, if overflow is defined and not trapping.
1632 (negate_expr): Likewise.
1634 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1636 PR tree-optimization/27872
1637 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1638 flag on the new exit edge of the unrolled loop.
1640 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1642 PR rtl-optimization/26449
1643 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1645 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1647 PR middle-end/27793
1648 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1649 referenced_variables with matching DECL_UID's.
1650 (find_referenced_vars): Make sure duplicate list is empty to start.
1651 (referenced_var_p): Remove.
1652 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1653 Check if var is in the list, and add if needed. Update the duplicate
1654 list if a different var is in the list with the same DECL_UID.
1655 (add_referenced_var): Call routine to check and insert.
1656 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1657 * tree-flow.h (referenced_vars_dup_list): External declaration.
1659 2006-06-07 Fred Fish <fnf@specifix.com>
1661 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1662 into single entry.
1664 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1666 PR target/27390
1667 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1668 the imaginary and real parts of a clobbered register.
1669 Emit insn to set the imaginary part.
1671 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1673 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1674 in lieu of unwind-dw2-fde.c.
1676 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1678 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1680 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1682 PR target/27842
1683 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1684 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1685 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1686 V4SImode temporaries and operations instead.
1688 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1690 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1691 dp-bit.c.
1693 2006-06-06 Mike Stump <mrs@apple.com>
1695 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1696 installing during build.
1698 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1700 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1701 value to 0.
1702 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1703 * config/ia64/ia64.c (params.h): New header.
1704 (ia64_optimization_options): New function to adjust parameters.
1705 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1706 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1707 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1709 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1711 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1713 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1715 PR target/27051
1716 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1718 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1719 Victor Kaplansky <victork@il.ibm.com>
1721 PR tree-optimization/26360
1722 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1723 stmts.
1725 2006-06-04 Roger Sayle <roger@eyesopen.com>
1726 Andrew Pinski <pinskia@physics.uc.edu>
1728 PR middle-end/27382
1729 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1730 for LABEL_DECL before calling DECL_WEAK.
1732 PR c/27150
1733 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1734 LABEL_DECL and PARM_DECL.
1736 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1738 PR c/25161
1739 PR c/27020
1740 * c-decl.c (grokdeclarator): Disallow variably modified types at
1741 file scope. Avoid marking shared array type of constant size as
1742 VLA.
1744 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1746 PR c++/27601
1747 * c-common.c (fold_offsetof_1): Handle static members.
1749 2006-06-04 Eric Christopher <echristo@apple.com>
1751 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1752 (debug_rli): Output value for remaining_in_alignment.
1753 (update_alignment_for_field): Unconditionalize
1754 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1755 extra alignment code.
1756 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1757 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1758 * tree.h (record_layout_info_s): Remove prev_packed.
1759 * doc/extend.texi (ms_struct): Add documentation of format.
1761 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1763 * tree.h: Declare folding_initializer.
1764 * builtins.c (fold_builtin_constant_p): Give definite answer
1765 if folding inside an initializer.
1766 * fold-const.c: Define folding_initializer.
1767 (START_FOLD_INIT): Save and then set folding_initializer.
1768 (END_FOLD_INIT): Restore folding_initializer.
1770 2006-06-04 Richard Guenther <rguenther@suse.de>
1772 PR tree-optimization/27039
1773 * fold-const.c (fold_comparison): Handle pointer comparison
1774 again for all comparison codes. Compare offsets in signed
1775 size type.
1776 (fold_binary): Move code from here.
1778 2006-06-03 Roger Sayle <roger@eyesopen.com>
1780 PR target/26223
1781 * config/i386/i386.c (construct_container): Split static issued_error
1782 flag into issued_sse_arg_error, issued_sse_ret_error and
1783 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1784 requires the use of x87 registers and the user explicitly
1785 specified the -mno-80387 command line option.
1787 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1789 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1790 HAVE_DECL_SIGALTSTACK.
1791 (MC_FLD): New.
1792 (segv_handler): Use MC_FLD.
1793 * configure.ac: Check for a sigaltstack declaration.
1794 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1795 * configure: Regenerate.
1796 * config.in: Regenerate.
1798 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1800 PR other/27850
1801 * Makefile.in (stmp-fixinc): Fix typo.
1803 2006-06-02 Roger Sayle <roger@eyesopen.com>
1805 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1806 are type correct. Clean-up.
1807 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1808 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1810 2006-06-01 DJ Delorie <dj@redhat.com>
1812 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1813 shift, as we've disabled the "switch" insn that needs it.
1815 2006-06-01 Per Bothner <bothner@bothner.com>
1817 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1818 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1819 * c-ppoutput.c (cb_define): Don't increment line 0.
1821 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1823 * doc/invoke.texi: Add cpu_type power6.
1824 * config.gcc: Add cpu_type power6.
1825 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1826 to power5+ with Altivec.
1827 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1828 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1830 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1832 * config/avr/avr.h (SET_ASM_OP): Define.
1834 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1836 * config/bfin/bfin.c: Fix comment typos.
1838 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1840 PR 25453
1841 * doc/install.texi: Document --enable-bootstrap and
1842 --disable-bootstrap.
1844 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1846 * doc/install.texi: Document that InfoZIP can replace jar.
1848 2006-05-31 Roger Sayle <roger@eyesopen.com>
1850 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1851 isn't available, directly generate the simpler x87 patterns without
1852 the (use (const_int 0)).
1853 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1854 implementation isn't available.
1855 (*negdf2_1): Likewise.
1856 (*negxf2_1): XF mode negation is always done using the x87.
1857 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1859 2006-05-31 Roger Sayle <roger@eyesopen.com>
1861 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1862 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1863 cabs(z).
1864 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1866 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1868 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1869 * config/bfin/bfin.c (basic-block.h): Include.
1870 (struct machine_function): New.
1871 (bfin_init_machine_status): New.
1872 (override_options): Initialize init_machine_status.
1873 (bfin_hardware_loop): New.
1874 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1875 (DEF_VEC_P (loop_info)): New.
1876 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1877 (struct loop_info): New.
1878 (loop_info): New typedef.
1879 (struct loop_work): New.
1880 (loop_work): New typedef.
1881 (DEF_VEC_O (loop_work)): New.
1882 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1883 (bfin_dump_loops): New.
1884 (bfin_bb_in_loop): New.
1885 (bfin_scan_loop): New.
1886 (bfin_optimize_loop): New.
1887 (bfin_reorg_loops): New.
1888 (bfin_reorg): Use bfin_reorg_loops.
1889 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1890 loop registers.
1891 (I_REGNO_P): Simplify.
1892 (DP_REGNO_P, DPREG_P): New macros.
1893 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1894 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1895 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1896 Add LT_REGS, LC_REGS, LB_REGS.
1897 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1898 'l' for LB_REGS.
1899 (REGNO_REG_CLASS): Deal with loop registers.
1900 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1901 letters.
1902 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1903 New constants for loop registers.
1904 (UNSPEC_LSETUP_END): New.
1905 (seq_insns): New define_attr. Set it for appropriate insns.
1906 (movsi_insn): Add alternatives for move from/to
1907 loop count registers.
1908 (doloop_end): New define_expand.
1909 (loop_end): New define_insn.
1910 (define_split for bad doloop_end): New.
1911 (lsetup_with_autoinit): New define_insn.
1912 (lsetup_without_autoinit): New define_insn.
1913 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1914 * config/bfin/predicates.md (lc_register_operand): New.
1915 (lt_register_operand): New.
1916 (lb_register_operand): New.
1917 (nondp_register_operand): New.
1918 (nondp_reg_or_memory_operand): New.
1919 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1921 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1923 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1924 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1926 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1928 * Makefile.in (CATALOGS): Add po/ prefix.
1929 * configure: Regenerated.
1931 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1933 PR target/27829
1934 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1935 a shift operand before calling shift_op. Avoid redundant call of
1936 shift_op.
1938 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1939 DJ Delorie <dj@redhat.com>
1941 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1942 we're inserting is a singlt-bit constant.
1944 2006-05-30 Roger Sayle <roger@eyesopen.com>
1946 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1947 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1949 2006-05-30 Roger Sayle <roger@eyesopen.com>
1951 PR tree-optimization/23452
1952 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1953 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1954 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1955 complex values and with -ffast-math for FP complex values.
1957 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1959 * c-common.h: Remove the prototype for yyparse.
1960 * rtl.h: Remove the prototype for init_loop.
1962 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1964 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1965 calling recog.
1967 2006-05-30 Roger Sayle <roger@eyesopen.com>
1969 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1970 and rotate cases.
1971 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1972 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1974 2006-05-30 Dirk Mueller <dmueller@suse.de>
1976 PR c/27273
1977 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1978 for CONSTANT_CLASS_P expresisons.
1980 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1982 PR c/27718
1983 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1985 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1987 PR tree-optimization/27779
1988 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1989 initial_condition instead of CHREC_LEFT.
1991 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1993 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1994 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1995 Make prototypes ISO C90.
1997 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1998 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2000 * see.c (see_analyze_one_def): Correct check.
2001 (see_get_extension_data): Check if extension is parallel.
2002 (see_get_extension_reg): Likewise.
2004 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2006 PR target/27790
2007 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2008 into register for (code == GTU).
2010 2006-05-29 Roger Sayle <roger@eyesopen.com>
2012 PR tree-optimization/24964
2013 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2014 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2015 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2016 abs(x)*abs(x) as x*x for scalar floating point modes.
2018 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2020 PR middle-end/27745
2021 * lambda-code.c (perfect_nestify): Don't copy statements
2022 in the inner loop: move them to the inner loop header.
2024 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2026 PR 26237
2027 * c-tree.texi: Document OpenMP directives and clauses.
2029 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2031 * varasm.c (globalize_decl): Fix indentation.
2033 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2035 PR 26242
2036 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2037 pass_fre, pass_store_ccp, pass_copy_prop,
2038 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2039 pass_return_slot, pass_object_size, pass_lim,
2040 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2041 pass_loop_prefetch and pass_stdarg.
2043 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2045 * config/bfin/bfin.opt (mfdpic): New option.
2046 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2047 (EXTRA_MULTILIB_PARTS): Likewise.
2048 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2049 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2050 multilib.
2051 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2052 (CRT_CALL_STATIC_FUNCTION): New.
2053 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2054 -shared.
2055 (CRT_CALL_STATIC_FUNCTION): New.
2056 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2057 FD-PIC moves.
2058 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2059 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2060 (initialize_trampoline): Changed to handle FD-PIC code generation.
2061 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2062 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2063 (override_options): Disallow -mid-shared-library -mfdpic combination.
2064 Can't do unaligned ops if FD-PIC.
2065 Turn off flag_pic if trying to generate non-id-shared-library
2066 non-fdpic code, since it's not supported.
2067 (bfin_assemble_integer): New function.
2068 (TARGET_ASM_INTEGER): Define.
2069 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2070 __BFIN_FDPIC__.
2071 * config/bfin/crtn.s: Restore them.
2072 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2073 if TARGET_FDPIC.
2074 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2075 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2076 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2077 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2078 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2079 call-used.
2080 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2081 FDPIC_REGS and FDPIC_FPTR_REGS.
2082 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2083 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2084 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2085 (load_funcdescsi): New pattern.
2086 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2087 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2088 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2090 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2092 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2093 loop.c.
2095 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2097 * tree-flow.h: Remove the prototype for add_type_alias.
2098 * tree-ssa-alias.c (add_type_alias): Remove.
2100 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2102 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2103 config/fr30/fr30.md, config/i386/i386-interix.h,
2104 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2105 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2106 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2107 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2108 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2109 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2110 Follow spelling conventions.
2111 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2112 Follow spelling conventions.
2114 2006-05-27 Richard Guenther <rguenther@suse.de>
2116 PR middle-end/27773
2117 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2118 to produce a constant of value 1 of generic type.
2120 2006-05-27 Dirk Mueller <dmueller@suse.de>
2122 * cgraphunit.c (decide_is_function_needed): Fix wrong
2123 PR reference.
2125 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2127 PR rtl-optimization/27661
2128 * reload.c (find_reloads): When reloading a VOIDmode constant
2129 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2130 use Pmode as mode of the reload register.
2132 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2134 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2135 is enabled at -O and above.
2137 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2139 PR target/27571
2140 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2141 table data.
2143 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2145 PR c++/20103
2146 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2147 for anonymous variables explicitly declared by front ends.
2149 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2151 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2152 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2153 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2154 ref-all pointers, run a finalization pass for them.
2155 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2156 (finalize_ref_all_pointers): New function.
2157 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2158 regular pointer type to a ref-all pointer type.
2159 (get_tmt_for): Return the special memory tag for ref-all pointers.
2161 2006-05-25 Richard Guenther <rguenther@suse.de>
2163 PR middle-end/27743
2164 * fold-const.c (fold_binary): Do not look at the stripped
2165 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2167 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2169 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2170 for LT and GT if the computed range is effectively empty.
2172 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2174 PR target/27627
2175 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2176 mips_quad_format formats instead of ieee_single_format,
2177 ieee_double_format and ieee_quad_format formats, respectively.
2179 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2181 PR tree-optimization/27639
2182 PR tree-optimization/26719
2183 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2184 call to scev_probably_wraps_p.
2185 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2186 used_in_pointer_arithmetic_p, convert_step): Removed.
2187 (nowrap_type_p): New function.
2188 (scev_probably_wraps_p): Rewritten.
2189 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2190 chrec_convert if chrec_convert_aggressive might have been used.
2191 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2192 scev_direction): New functions.
2193 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2194 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2195 instead of convert_step.
2196 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2197 (convert_step): Declaration removed.
2198 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2200 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2202 * df-core.c: Added to header comments.
2203 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2204 df_ur_bb_info, df_urec_bb_info): Added comments.
2205 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2206 urec, ri problems): Fixed header comments.
2207 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2208 code from df_rd_transfer_function.
2210 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2212 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2213 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2214 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2216 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2218 * expr.c (undefined_operand_subword_p): New.
2219 (emit_move_multi_word): Do not generate move from undefined bits
2220 of a paradoxical subreg.
2222 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2224 PR rtl-optimization/27736
2225 * combine.c (replaced_rhs_value): New variable.
2226 (combine_instructions): Set it.
2227 (distribute_notes): When distributing a note in replaced_rhs_insn,
2228 check whether the value was used in replaced_rhs_value.
2230 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2232 PR c++/26757
2233 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2234 add_referenced_var instead of add_referenced_tmp_var.
2235 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2236 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2237 add_referenced_var.
2238 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2239 tree_optimize_tail_calls_1): Use add_referenced_var.
2240 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2241 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2242 Use add_referenced_var.
2243 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2244 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2245 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2246 Use add_referenced_var.
2247 * tree-dfa.c (struct walk_state): Remove.
2248 (find_referenced_vars): Remove walk state and vars_found hash table.
2249 (make_rename_temp): Use add_referenced_var.
2250 (find_vars_r): Pass less parameters to add_referenced_var.
2251 (referenced_var_p): New. Is var in referenced_var hash table.
2252 (referenced_var_insert): Assert var isn't already in hash table.
2253 (add_referenced_var): Don't need walk_state parameter. Add var if it
2254 isn't already in the hash table.
2255 (add_referenced_tmp_var): Remove.
2256 (find_new_referenced_vars_1): Use add_referenced_var.
2257 * tree-ssa-pre.c (create_expression_by_pieces,
2258 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2259 Use add_referenced_var.
2260 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2261 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2262 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2263 add_referenced_var.
2264 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2265 vect_create_data_ref_ptr, vect_create_destination_var,
2266 vect_init_vector, vect_build_loop_niters,
2267 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2268 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2269 Use add_referenced_var.
2270 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2271 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2272 (add_referenced_var): Add prototype.
2273 * tree-ssa-structalias.c (get_constraint_for,
2274 intra_create_variable_infos): Use add_referenced_var.
2276 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2278 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2279 big-endian paradoxical subregs.
2280 * var-tracking.c (struct micro_operation_def): Document that,
2281 for modify micro operations, insn is the subsequent instruction.
2282 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2283 (var_reg_set, var_mem_set): ... new functions.
2284 (add_stores): Record subsequent insn.
2285 (compute_bb_dataflow): Use new functions for MO_USE.
2286 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2287 notes after the insn, and modify notes before the insn known
2288 to be the subsequent one.
2289 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2291 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2293 PR target/27696
2294 * config/i386/i386.c (ix86_expand_builtin): Use
2295 gen_sse3_monitor64 for TARGET_64BIT.
2297 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2299 PR rtl-optimization/26375
2300 PR rtl-optimization/26855
2301 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2302 to gen set.
2303 (df_ru_bb_local_compute): Reversed statements and removed bogus
2304 comment explaining why they should be in wrong order.
2305 (df_ru_dump, df_rd_dump): Enhanced debug info.
2306 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2307 debug info.
2308 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2309 reaching uses and fixed space problem.
2311 2006-05-23 Jan Hubicka <jh@suse.cz>
2313 * cgraphunit.c (decide_is_function_needed): Also nested functions
2314 and functions declared inline can be optimized out at -O0.
2316 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2318 * doc/install.texi (Configuration): Remove reference to CrossGCC
2319 FAQ which was gone.
2320 (Building): Ditto.
2322 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2324 PR target/27266
2325 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2326 ix86_compare_emitted is non-NULL.
2328 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2330 PR c++/27451
2331 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2332 clobbers.
2334 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2336 PR rtl-optimization/25514
2337 * combine.c (replaced_rhs_insn): New variable.
2338 (combine_instructions): Set replaced_rhs_insn when trying to replace
2339 a SET_SRC with a REG_EQUAL note.
2340 (distribute_notes): Use replaced_rhs_insn when determining the live
2341 range of a REG_DEAD register.
2343 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2344 Anatoly Sokolov <aesok@post.ru>
2346 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2347 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2348 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2349 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2350 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2351 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2352 at90usb647, at90usb1286 and at90usb1287 devices.
2353 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2354 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2356 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2358 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2360 2006-05-22 Richard Guenther <rguenther@suse.de>
2362 Revert
2363 2006-01-31 Richard Guenther <rguenther@suse.de>
2364 Paolo Bonzini <bonzini@gnu.org>
2366 * doc/install.texi (--disable-libgcc-math): Document.
2368 2006-05-22 Richard Guenther <rguenther@suse.de>
2370 Revert
2371 2006-01-31 Richard Guenther <rguenther@suse.de>
2373 * doc/invoke.texi (-msselibm): Document.
2374 * target.h (expand_library_builtin): New target hook.
2375 * builtins.c (expand_builtin): Use expand_library_builtin.
2376 (default_expand_library_builtin): New function.
2377 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2378 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2379 (link_gcc_math_spec): Declare.
2380 (static_specs): Add link_gcc_math_spec.
2381 * expr.h (default_expand_library_builtin): Declare.
2382 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2383 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2384 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2385 * config/i386/i386.opt (msselibm): New target option.
2386 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2387 (ix86_init_sse_abi_builtins): New function.
2388 (ix86_expand_library_builtin): Likewise.
2389 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2390 (override_options): Handle error conditions wrt -msselibm.
2391 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2392 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2393 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2394 builtins.
2396 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2398 PR c/27420
2399 * c-common.c (self_promoting_args_p): Skip erroneous args.
2401 PR c/26818
2402 * c-decl.c (finish_struct): Skip erroneous fields.
2404 2006-05-22 Nick Clifton <nickc@redhat.com>
2406 * config/cris/cris.opt (march): Remove VarExists attribute.
2407 (max-stackframe=): Likewise.
2409 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2411 * doc/rtl.texi: Fix a typo.
2412 * see.c: Fix comment typos.
2414 * tree-ssa-structalias.h (alias_info): Remove num_references.
2416 2006-05-21 Mike Stump <mrs@apple.com>
2418 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2419 (BAD2): Add.
2420 (darwin_pragma_options): Use BAD instead.
2421 (darwin_pragma_unused): Likewise.
2422 (darwin_pragma_ms_struct): Likewise.
2424 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2426 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2428 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2430 PR rtl-optimization/27671
2431 * simplify-rtx.c (simplify_relational_operation_1): Fix
2432 simplifications of (eq/ne (xor x y) y) and
2433 (eq/ne (xor x y) x).
2435 PR tree-optimization/26622.
2436 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2437 on arg1.
2439 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2441 * tree-cfg.c: Prune whitespace.
2442 (debug_tree_cfg): Point to correct header containing the
2443 TDF_* defines.
2445 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2447 PR middle-end/25776
2448 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2450 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2452 PR middle-end/25776
2453 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2454 or sorry count is non zero.
2456 2006-05-20 Andreas Schwab <schwab@suse.de>
2458 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2460 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2461 Kenneth Zadeck <zadeck@naturalbridge.com>
2463 PR rtl-optimization/26855
2465 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2466 multiword refs.
2467 (df_scan_alloc): Added code to properly handle multiword hard
2468 registers and add all_blocks parameter.
2469 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2470 code to properly handle multiword hard registers.
2471 (df_rescan_blocks): Added code to remove deleted blocks from
2472 bitmap.
2473 (df_ref_create_structure, df_ref_record): Added code to properly
2474 handle subregs.
2475 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2476 and set DF_REF_PARTIAL.
2477 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2478 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2479 (df_scan_add_problem): Added flags parameter.
2480 (df_ref_create_structure): Changed switching structure.
2481 (df_bb_refs_record): Fixed case where duplicate artificial refs
2482 were created. Changed location of flags.
2483 (df_record_entry_block_defs): Added code to make stack pointer
2484 live in entry block. Refined cases where frame pointer is needed.
2485 Changed location of flags.
2486 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2487 (df_set_state): Removed function.
2488 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2489 df_insn_create_insn_record, df_insn_refs_delete,
2490 df_ref_create_structure): Formatting changes.
2491 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2492 df_delete_basic_block): New function.
2493 (df_init): Changed location of flags.
2494 (df_add_problem): Added flags parameter and the way flags are
2495 processed.
2496 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2497 debug_df_chain): Improved debugging output.
2498 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2499 (df_refs_chain_dump): Removed df parameter.
2500 (df_iterative_dataflow): Added consistency check.
2501 (df_prune_to_subcfg): Made public.
2502 (df_analyze_problem): Added blocks_to_init parameter and made
2503 public.
2504 (df_ref_record, df_bb_refs_record, df_mark_reg,
2505 df_record_exit_block_uses): Whitespace changes.
2506 (df_dump): Whitespace changes.
2507 * df.h: Some reordering to remove forward references.
2508 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2509 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2510 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2511 (dataflow.flags): New field.
2512 (df.flag): Deleted field.
2513 (df_alloc_function): Added additional bitmap parameter.
2514 (df_dependent_problem_function): New type.
2515 (df_problem.changeable_flags): New field.
2516 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2517 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2518 (df_mw_hardreg): New struct.
2519 (DF_INSN_UID_MWS): New macro.
2520 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2521 parameter.
2522 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2523 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2524 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2525 (df_set_state): Removed function.
2526 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2527 * df-problems.c (df_chain_dump): Removed df parameter.
2528 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2529 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2530 parameter.
2531 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2532 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2533 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2534 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2535 DF_REF_MUST_CLOBBER cases.
2536 (df_ru_bb_local_compute_process_def,
2537 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2538 df_lr_bb_local_compute, df_ur_bb_local_compute,
2539 df_chain_create_bb): Made subreg aware.
2540 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2541 df_lr_bb_local_compute, df_lr_bb_local_compute,
2542 df_chain_create_bb): Cleanup to use proper macros.
2543 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2544 code to fixup bitvectors.
2545 (df_ri_alloc): Cleared lifetime.
2546 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2547 df_create_unused_note): New function.
2548 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2549 REG_DEAD and REG_UNUSED notes as well as register information.
2550 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2551 df_chains_dump): Fixed crash if problem was never run.
2552 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2553 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2554 df_ri_add_problem): Processes flags in uniform manner.
2555 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2556 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2557 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2558 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2559 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2560 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2561 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2562 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2563 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2564 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2565 * see.c (see_initialize_data): Ditto.
2566 * final.c (rest_of_clean_state) Added regstack_completed.
2567 * rtl.h (regstack_completed): Ditto.
2568 * reg-stack.c (regstack_completed): Ditto.
2570 2006-05-19 Mike Stump <mrs@apple.com>
2572 * c-tree.h (default_conversion): Remove.
2573 * c-common.h (default_conversion): Add.
2575 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2577 * tree-vrp.c (valid_value_p): New function.
2578 (adjust_range_with_scev): Fail if the value of bound is not
2579 simple.
2581 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2583 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2584 (mips_fallback_frame_state): Use syscall numbers to determine
2585 the appropriate li instruction for the current ABI. Only use
2586 __NR_sigreturn for o32.
2588 2006-05-19 Nicolas Setton <setton@adacore.com>
2590 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2591 * langhooks.c (lhd_dwarf_name): New function.
2592 * langhooks-def.h (lhd_dwarf_name): Declare.
2593 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2594 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2595 * ada/misc.c (gnat_dwarf_name): New function.
2596 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2598 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2600 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2601 libgcc2.h.
2602 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2603 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2604 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2605 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2606 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2607 determine the size of Wtype, etc.
2608 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2609 (swfloatfuncs): New variable.
2610 (dwfloatfuncs): Likewise.
2611 (lib2funcs): Remove floating-point conversion functions from
2612 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2613 the set of conversion routines needed. Allow entries to specify
2614 an object name, filename and word size. Update users accordingly.
2615 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2616 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2618 Revert:
2620 2006-02-08 Roger Sayle <roger@eyesopen.com>
2622 PR target/22209
2623 * config/fixtfdi.c: New libgcc source file.
2624 * config/fixunstfdi.c: New source file.
2625 * config/floatditf.c: New source file.
2626 * config/floatunditf.c: New souce file.
2627 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2628 files above instead of config/mips/_tilib.c.
2629 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2631 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2633 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2634 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2636 2006-05-18 Mike Stump <mrs@apple.com>
2638 Fix up vla, vm and [*] sematics.
2640 PR c/18740
2641 PR c/7948
2642 PR c/25802
2643 PR c/27673
2644 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2645 (c_vla_unspec_p): Add.
2646 (c_vla_type_p): Add.
2647 * c-decl.c (struct c_scope): Add had_vla_unspec.
2648 (build_array_declarator): Add support for [*].
2649 (grokdeclarator): Likewise.
2650 (grokparms): Likewise.
2651 (get_parm_info): Likewise.
2652 * c-objc-common.c (c_vla_unspec_p): Likewise.
2653 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2654 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2655 typeof when argument is a variably modified type not inside sizeof or alignof.
2656 (c_parser_direct_declarator_inner): Propagate errors.
2657 (c_parser_sizeof_expression): Add support for [*].
2658 (c_parser_parms_declarator): Initialize had_vla_unspec.
2659 (c_parser_parms_list_declarator): Likewise.
2660 * c-typeck.c (c_vla_type_p): Add.
2661 (composite_type): Add support for vla compositing.
2662 (comptypes_internal): Add support for vla compatibility.
2663 (c_expr_sizeof_expr): Evaluate vla arguments.
2664 * tree.c (variably_modified_type_p): Update comment for [*].
2666 2006-05-18 Michael Matz <matz@suse.de>
2668 PR target/27599
2669 * config.host: Make assignments to host_xmake_file cumulative.
2670 * config.host (*-darwin*): Test $host, not $target.
2672 2006-05-12 Stuart Hastings <stuart@apple.com>
2674 * config/i386/i386.opt (-mstackrealign): New flag.
2675 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2676 (ix86_handle_cconv_attribute): Emit error when
2677 force_align_arg_pointer attribute collides with too many regparms.
2678 (ix86_function_regparm): Limit regparms when used with
2679 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2680 Support stack-realigning prologue in non-main functions. Emit
2681 warning for nested functions under -mstackrealign, emit error for
2682 nested functions with force_align_arg_pointer attribute.
2683 * doc/extend.texi (force_align_arg_pointer): Document it.
2684 * doc/invoke.texi (-mstackrealign): Document it.
2686 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2688 PR rtl-optimization/27477
2689 * combine.c (try_combine): Don't split a parallel consisting
2690 of two sets into two individual sets if both sets reference
2691 cc0.
2693 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2695 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2696 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2698 * doc/options.texi (VarExists): Updated.
2700 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2702 * unwind-dw2.c: Add declarations for uw_update_context and
2703 uw_frame_state_for.
2704 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2705 detected, advance frame state and context once to skip over stub.
2707 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2709 PR middle-end/20256
2710 PR middle-end/26435
2711 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2712 Call rewrite_into_loop_closed_ssa only when something changed.
2713 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2714 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2715 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2716 Test for perfect_nest_p here. Fix formating.
2717 (replace_uses_equiv_to_x_with_y): Fix formating.
2718 (stmt_uses_op): Removed.
2719 (can_convert_to_perfect_nest): Removed loopivs parameter.
2720 Complete the test by checking the scalar dependences.
2721 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2722 Fix formating.
2724 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2726 PR bootstrap/22541
2727 From Dan Kegel <dank@kegel.com>:
2728 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2730 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2732 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2733 if the element type is variably modified without recursing.
2735 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2737 PR middle-end/27332
2738 * tree-loop-linear.c (try_interchange_loops): Test for
2739 no data dependences.
2741 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2743 PR tree-optimization/27548
2744 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2745 range of ssa names that appear on abnormal edges.
2746 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2747 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2749 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2751 PR middle-end/27620
2752 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2754 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2756 PR middle-end/27415
2757 * tree.h (OMP_PARALLEL_COMBINED): Define.
2758 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2759 (new_omp_context): Add is_combined_parallel argument.
2760 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2761 new_omp_context caller.
2762 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2763 Adjust gimplify_scan_omp_clauses callers.
2764 (omp_is_private): Issue errors if iteration variable is firstprivate
2765 or reduction in the current context.
2766 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2767 on combined parallel workshare constructs.
2769 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2771 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2772 (gcc-options.o): New rule.
2774 * optc-gen.awk: Protect variables for gcc-options.o with
2775 #ifdef GCC_DRIVER/#endif.
2777 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2779 Fix PR tree-optimization/27373
2780 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2781 (forward_propagate_addr_expr): Update call.
2783 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2785 * doc/options.texi: Move the Negative option.
2787 2006-05-16 Richard Guenther <rguenther@suse.de>
2789 PR tree-optimization/22303
2790 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2791 from STRING_CSTs.
2792 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2793 ccp_fold did not simplify the statement.
2795 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2797 PR driver/26885
2798 * Makefile.in (GCC_OBJS): New.
2799 (OBJS-common): Add opts-common.o.
2800 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2801 (cpp$(exeext)): Likewise.
2802 (gcc.o): Also depend on opts.h.
2803 (opts-common.o): New.
2805 * common.opt (gcoff): Add Negative(gdwarf-2).
2806 (gdwarf-2): Add Negative(gstabs).
2807 (gstabs): Add Negative(gstabs+).
2808 (gstabs+): Add Negative(gvms).
2809 (gvms): Add Negative(gxcoff).
2810 (gxcoff): Add Negative(gxcoff+).
2811 (gxcoff+): Add Negative(gcoff).
2812 * config/i386/i386.opt (m32): Add Negative(m64).
2813 (m64): Add Negative(m32).
2815 * doc/options.texi: Document the Negative option.
2817 * gcc.c: Include "opts.h".
2818 (main): Call prune_options after expandargv.
2820 * optc-gen.awk: Generate common declarations for all flag
2821 variables in options.c. Output the neg_index field.
2823 * opts.c (find_opt): Moved to ...
2824 * opts-common.c: Here. New file.
2826 * opts.h (cl_option): Add a neg_index field.
2827 (find_opt): New.
2828 (prune_options): Likewise.
2830 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2832 PR middle-end/27573
2833 * omp-low.c (expand_omp_parallel): Don't assert
2834 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2835 instead search for it.
2837 PR c/27499
2838 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2839 is signed.
2841 2006-05-16 Andreas Schwab <schwab@suse.de>
2843 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2844 defmac.
2846 2006-05-15 Roger Sayle <roger@eyesopen.com>
2848 PR target/26600
2849 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2850 integer constants other than zero are only legitimate on TARGET_64BIT.
2851 <CONST_VECTOR> Only zero vectors are legitimate.
2852 (ix86_cannot_force_const_mem): Integral and vector constants can
2853 always be put in the constant pool.
2855 2006-05-16 DJ Delorie <dj@redhat.com>
2857 * crtstuff.c (__dso_handle): Set section from
2858 TARGET_LBIGCC_SDATA_SECTION if defined.
2859 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2860 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2862 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2864 PR target/27599
2865 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2866 host_xmake_file.
2868 2006-05-16 Ben Elliston <bje@au.ibm.com>
2870 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2872 2006-05-15 Per Bothner <per@bothner.com>
2874 * tree.c: (last_annotated_node): Use source_locus typedef.
2875 This permits bootstrapping with --enable-mapped-location.
2877 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2879 PR tree-optimization/26830
2880 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2881 (info_for_ssa_name, current_info_for_ssa_name_age,
2882 blocks_to_update): New variables.
2883 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2884 (clear_ssa_name_info, initialize_flags_in_bb,
2885 mark_block_for_update): New functions.
2886 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2887 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2888 prepare_def_site_for): Use mark_block_for_update.
2889 (mark_def_interesting): Assert that the processed block is marked in
2890 blocks_to_update. Do not take blocks argument.
2891 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2892 argument.
2893 (rewrite_update_init_block, rewrite_update_stmt): Only process
2894 blocks with statements to rewrite.
2895 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2896 (update_ssa): Initialize and free blocks_to_update. Do not
2897 clear flags on statements. Do not use blocks bitmap.
2898 * tree.h (SSA_NAME_AUX): Removed.
2899 (struct tree_ssa_name): Removed aux field.
2900 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2902 2006-05-15 Richard Guenther <rguenther@suse.de>
2904 PR tree-optimization/27603
2905 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2906 Do computations in original type.
2908 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2910 * see.c: Code style changes such as redundant paranthesis,
2911 redundant intialization of local variables etc.
2912 (see_main): Declared now as static.
2913 * doc/invoke.texi: Update that -fsee is not enabled by
2914 default at -O3.
2916 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2918 * omp-low.c (check_omp_nesting_restrictions): New function.
2919 (scan_omp_1): Call it.
2921 PR middle-end/27416
2922 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2923 construct, return *VAR.
2925 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2927 PR rtl-optimization/27406
2928 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2929 edges.
2931 2006-05-14 Roger Sayle <roger@eyesopen.com>
2933 PR rtl-optimization/27538
2934 * combine.c (expand_compound_operation): Call gen_lowpart
2935 before calling simplify_shift_const.
2937 2006-05-14 Roger Sayle <roger@eyesopen.com>
2939 PR rtl-optimization/22563
2940 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2941 a fixed width bitfield, always force the intermediates into psuedos.
2943 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2945 PR 27501
2946 * mkconfig.sh: Use operator = instead of == for test.
2948 2006-05-13 Nick Clifton <nickc@redhat.com>
2950 * dwarf2out.c (dbx_reg_number): Check return value from
2951 LEAF_REG_REMAP and only use it if it is valid.
2952 (multiple_reg_loc_descriptor): Likewise.
2954 2006-05-13 Richard Guenther <rguenther@suse.de>
2956 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2957 host_xmake_file.
2959 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2961 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2962 information attached to non-INSNs such as NOTEs.
2963 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2965 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2967 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2968 On contraint.
2969 * config/s390/s390.md: Adjust comment describing On constraint.
2971 2006-05-11 Jan Hubicka <jh@suse.cz>
2973 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2974 to be output at -O0.
2976 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2978 PR middle-end/27384
2979 * fold-const.c (size_binop): Move sanity check for arguments to
2980 the beginning of the function.
2982 PR middle-end/27488
2983 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2984 expression.
2986 2006-05-11 Richard Guenther <rguenther@suse.de>
2988 PR middle-end/27529
2989 * fold-const.c (fold_unary): Handle intermediate conversion
2990 to a pointer type like intermediate conversion to an integer
2991 type in folding of (T1)(T2)var to var.
2992 Match the code to the comment in the final conversion for
2993 (T1)(T2)var to (T1)var regarding to type precision. Rather
2994 than disallow T1 being of pointer type, assert that both T1
2995 and var are of pointer type or not. Make sure not to fall
2996 over the frontends lazyness wrt array to pointer decay though.
2998 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3000 * arm.c (arm_struct_value_rtx): Delete.
3001 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3002 (arm_init_cumulative_args): Always initialize nregs to zero.
3004 2006-05-10 Richard Guenther <rguenther@suse.de>
3006 PR tree-optimization/27532
3007 * tree-object-size.c (plus_expr_object_size): Fix typo.
3009 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3011 PR target/24949
3012 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3013 ashrdi_const, ashrdi3): Use a scratch register.
3015 2006-05-10 Richard Guenther <rguenther@suse.de>
3017 PR tree-optimization/27302
3018 * fold-const.c (operand_equal_p): For two comparisons,
3019 try comparison of one comparison code swapped if that yields
3020 the same code.
3022 2006-05-10 Ben Elliston <bje@au.ibm.com>
3024 * tree-pretty-print.c (pretty_print_string): No need to handle
3025 '\0' as a special character.
3027 * tree.h: Include "hashtab.h".
3028 (iterative_hash_expr): Use hashval_t in its prototype.
3029 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3031 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3033 PR bootstrap/26872
3034 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3035 (hppa*64*-*-hpux11*): Ditto.
3036 (hppa[12]*-*-hpux11*): Ditto.
3038 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3040 PR target/26545
3041 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3043 2006-05-09 Michael Matz <matz@suse.de>
3045 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3046 host_extra_gcc_objs and host_xmake_file.
3047 (<*-*-linux*>): Don't overwrite host_xmake_file.
3048 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3049 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3050 (host_detect_local_cpu): Declare.
3051 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3052 * config/i386/i386.c (override_options): Handle -mtune=native
3053 as -mtune=generic.
3054 * config/i386/x-i386: New file.
3055 * config/i386/driver-i386.c: New file.
3056 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3057 cpu-type "native".
3059 2006-05-09 Dirk Mueller <dmueller@suse.de>
3060 Richard Guenther <rguenther@suse.de>
3062 PR middle-end/27498
3063 * fold-const.c (fold_read_from_constant_string): Relax check
3064 for matching types to matching modes.
3066 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3068 PR rtl-optimization/27335
3069 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3070 loops.
3072 2006-05-08 Chao-ying Fu <fu@mips.com>
3073 Richard Sandiford <richard@codesourcery.com>
3075 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3076 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3077 * config/mips/mips.md (UNSPEC_SCC): New constant.
3078 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3079 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3080 (mips_emit_compare): Use it.
3081 (mips_expand_vcondv2sf): New function.
3083 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3085 Fix PR tree-optimization/27093
3086 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3087 renaming when they become not-used_alone.
3089 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3091 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3092 relocation and relocation stubs.
3094 2006-05-08 Eric Christopher <echristo@apple.com>
3096 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3097 section for ppc.
3099 2006-05-08 Jan Hubicka <jh@suse.cz>
3101 PR middle-end/24561
3102 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3103 unused static functions are needed.
3105 2006-05-08 Roger Sayle <roger@eyesopen.com>
3107 PR target/27158
3108 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3109 of a reg_equiv_constant if the result is a legitimate constant.
3111 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3113 PR target/27277
3114 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3115 standard 80387 constants, raise the cost to prevent
3116 compress_float_constant() to generate load from memory.
3118 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3120 * config/arm/constraints.md (c): Fix a typo.
3122 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3123 typos.
3125 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3127 PR target/24879
3128 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3129 inline function.
3130 (_mm_mwait): Likewise.
3132 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3133 "mwait".
3134 (sse3_monitor): Make it 32bit only.
3135 (sse3_monitor64): New. 64bit monitor.
3137 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3139 PR target/27421
3140 * config/i386/i386.c (classify_argument): Skip fields with invalid
3141 types.
3143 2006-05-07 Richard Guenther <rguenther@suse.de>
3145 PR tree-optimization/27409
3146 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3147 Do not try to find zero-sized subvars.
3149 2006-05-07 Richard Guenther <rguenther@suse.de>
3151 PR tree-optimization/27136
3152 * tree-ssa-loop-niter.c (get_val_for): Correct function
3153 comment, assert requirements.
3154 (loop_niter_by_eval): Stop processing if the iterated
3155 value did not simplify.
3157 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3159 * opts.c (flag_see): remove its setting at -O3.
3161 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3163 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3164 * arm/constraints.md: New file.
3165 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3166 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3167 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3168 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3169 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3170 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3171 * arm.md: Include constraints.md.
3172 (thumb_movsi_insn): Use satisfies_constraint_J.
3173 (movhi, movqi): Use satisfies_constraint_I.
3175 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3177 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3178 for atmeg a645 device.
3180 2006-05-06 Richard Guenther <rguenther@suse.de>
3182 PR tree-optimization/27151
3183 * tree-vect-transform.c (vectorizable_condition): Punt on
3184 values that have a different type than the condition.
3186 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3188 PR/21391
3189 * c-parser.c (c_parser_cast_expression): Only insert casts into
3190 hash table if pointer.
3191 * function.c (used_types_insert_helper): Rename from
3192 used_types_insert.
3193 (used_types_insert): Call used_types_insert_helper.
3194 * function.h (used_types_insert): Accept only one argument.
3196 2006-05-05 David Edelsohn <edesohn@gnu.org>
3198 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3199 scratch with output modifier.
3201 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3203 PR target/26481
3204 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3205 with output modifier.
3207 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3209 PR target/26765
3210 * config/mips/mips.c (mips_symbolic_address_p): Return true
3211 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3212 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3214 2006-05-04 Richard Guenther <rguenther@suse.de>
3216 PR tree-optimization/14287
3217 PR tree-optimization/14844
3218 PR tree-optimization/19792
3219 PR tree-optimization/21608
3220 PR tree-optimization/27090
3221 * tree-ssa-pre.c (try_combine_conversion): New function.
3222 (compute_avail): After constructing the value-handle
3223 expression, use try_combine_conversion to combine NOP_EXPRs
3224 with previous value-handle expressions and use the result if it
3225 is available.
3227 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3229 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3231 2006-05-04 Jan Hubicka <jh@suse.cz>
3233 PR middle-end/25962
3234 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3236 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3238 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3239 that this only matches CONST_INTs. All users changed to VOIDmode
3240 operands.
3242 * config/bfin/bfin.c: Include "optabs.h".
3243 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3244 to do more work.
3245 (enum bfin_builtins): Add a number of fractional and vector builtins.
3246 (bfin_init_builtins): Likewise.
3247 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3248 (safe_vector_operand, bfin_expand_binop_builtin,
3249 bfin_expand_unop_builtin): New functions.
3250 (bfin_expand_builtin): Handle the new builtins.
3251 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3252 __ADSPBLACKFIN__.
3254 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3256 * see.c: New file.
3257 * Makefile.in (OBJS-common): Add see.o.
3258 (see.o): Add dependencies.
3259 * common.opt (fsee): New flag for the see optimization was added.
3260 * opts.c (flag_see): Initialized.
3261 * passes.c (init_optimization_passes, pass_see): New pass.
3262 * rtl.h (see_main): Declaration as extern.
3263 * timevar.def (TV_SEE): New.
3264 * tree-pass.h (pass_see): Declaration as extern.
3265 * invoke.texi (-fsee): Document.
3266 * recog.c (validate_simplify_insn): New function.
3267 * recog.h (validate_simplify_insn): Declaration as extern.
3268 * df-problems.c (df_chain_dump): Check for NULL.
3270 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3271 Daniel Berlin <dberlin@dberlin.org>
3273 * cfgrtl.c (insert_insn_bb_end_new): New function.
3274 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3276 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3278 * df.h (struct web_entry): Moved from web.c.
3279 (union_defs): Declaration as extern.
3280 (unionfind_root): Likewise.
3281 (unionfind_union): Likewise.
3282 * web.c (struct web_entry): Moved to df.h.
3283 (unionfind_root): Remove static declaration.
3284 (unionfind_union): Likewise.
3285 (union_defs): Likewise and generalize to use callback function.
3286 (web_main): Update arguments for union_defs function call.
3288 2006-05-04 Richard Guenther <rguenther@suse.de>
3290 PR tree-optimization/26447
3291 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3292 produce SSA_NAME copies before the store stmt to avoid
3293 breaking exception handling.
3295 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3297 PR middle-end/27388
3298 * gimplify.c (omp_is_private): If var is shared in some outer context,
3299 return false instead of true. Stop searching on parallel context
3300 boundary.
3302 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3304 PR java/8260
3305 * coverage.c: Use get_gcov_unsigned_t() instead of
3306 unsigned_type_node all over.
3308 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3310 PR tree-optimization/27381
3311 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3312 maintain the same immediate_use links.
3313 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3314 node rather than segfaulting.
3316 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3318 PR fortran/27395
3319 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3320 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3321 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3323 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3325 Fix PR tree-optimization/26626
3326 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3327 always.
3328 * tree-ssa-operands.c (access_can_touch_variable): Allow
3329 typecasting through union pointers.
3331 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3333 PR c++/26943
3334 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3335 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3336 to find if var will be a global variable even in the nested context.
3337 (omp_copy_decl): Only check for global variable at the end, it might
3338 be overridden in outer contexts.
3339 (scan_sharing_clauses): For global variables don't create a field.
3340 (lower_rec_input_clauses): Do nothing for global shared variables.
3341 Emit a barrier at the end of ILIST if there were any decls in both
3342 firstprivate and lastprivate clauses.
3343 (lower_send_clauses): Do nothing for global variables except for
3344 COPYIN.
3346 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3348 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3349 of the correct signedness is returned.
3351 2006-05-02 Jeff Law <law@redhat.com>
3353 PR tree-optimization/27364
3354 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3355 multiply expressions.
3357 2006-05-02 Tom Tromey <tromey@redhat.com>
3359 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3361 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3363 PR target/27387
3364 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3365 -mthumb -fPIC are used.
3367 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3368 Joshua Kinard <kumba@gentoo.org>
3370 PR target/25871
3371 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3372 with 64-bit pointers.
3374 2006-05-02 Paul Brook <paul@codesourcery.com>
3376 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3377 and pool overlap.
3378 (create_fix_barrier): Check that a suitable barrier location is
3379 found.
3380 (arm_reorg): Include ftmp->address in allowable range of addresses.
3382 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3384 PR ada/27366
3385 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3386 on Cygwin.
3388 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3390 PR middle-end/27337
3391 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3392 around RESULT_DECL for result passed by reference.
3393 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3394 * omp-low.c (use_pointer_for_field): Don't look at
3395 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3396 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3397 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3398 time or var for passing by reference for
3399 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3400 TREE_ADDRESSABLE variables when passing by reference.
3402 * omp-low.c (dump_omp_region): Fix output formatting.
3404 PR middle-end/27328
3405 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3406 (expand_omp_parallel): Likewise.
3407 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3409 PR middle-end/27325
3410 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3411 on statement list containing also constructors and destructors.
3412 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3414 PR middle-end/27310
3415 * except.c (duplicate_eh_regions): Fix clearing of
3416 cfun->eh->region_array entries.
3418 2006-05-01 DJ Delorie <dj@redhat.com>
3420 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3421 build!=host.
3422 (gcc_cv_objdump): Likewise.
3423 * configure: Regenerated.
3425 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3427 PR target/27374
3428 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3429 templates for case 3 and 4.
3431 2006-05-01 DJ Delorie <dj@redhat.com>
3433 * vec.c: Include bconfig.h when appropriate.
3434 * Makefile.in (build/vec.o): Adjust dependencies.
3435 * mkconfig.sh: Make sure config.h isn't used for build machine
3436 compiles.
3438 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3440 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3441 variables.
3442 (mark_phi_for_rewrite): New function.
3443 (insert_phi_nodes_for, mark_use_interesting): Call
3444 mark_phi_for_rewrite.
3445 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3446 (update_ssa): Initialize and free phis_to_rewrite.
3448 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3450 PR rtl-optimization/27291
3451 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3452 folded to a constant.
3454 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3456 PR tree-optimization/27283
3457 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3458 not whole # of iteration descriptions.
3459 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3460 uses abnormal ssa name.
3461 (niter_for_single_dom_exit): Ditto.
3462 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3463 return just the number of iterations.
3465 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3467 PR tree-optimization/27144
3468 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3469 (record_estimate): Only record constant upper bound.
3470 (infer_loop_bounds_from_undefined): Call
3471 compute_estimated_nb_iterations just once.
3472 (proved_non_wrapping_p): Renamed to ...
3473 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3474 (convert_step_widening, scev_probably_wraps_p): Call
3475 n_of_executions_at_most instead of proved_non_wrapping_p.
3476 (substitute_in_loop_info): Do not replace values in bounds.
3477 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3478 comments.
3480 2006-05-01 Richard Henderson <rth@redhat.com>
3482 PR c/27358
3483 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3484 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3485 CPP_PRAGMA.
3487 2006-05-01 Roger Sayle <roger@eyesopen.com>
3489 * c-typeck.c (parser_build_binary_op): Don't call the function
3490 unsigned_conversion_warning to spot operand/result type overflow.
3491 (build_binary_op): Instead, call convert_and_check instead of
3492 convert to report the problem when the operands are promoted.
3493 * c-common.c (unsigned_conversion_warning): Make static.
3494 * c-common.h (unsigned_conversion_warning): Delete prototype.
3496 2006-05-01 Richard Guenther <rguenther@suse.de>
3498 PR tree-optimization/26726
3499 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3500 problem ...
3501 (find_interesting_uses_address): ... we work around here
3502 by folding INDIRECT_REFs in the substituted base.
3504 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3506 * omp-low.c (dump_omp_region): Add newlines.
3508 2006-04-30 Roger Sayle <roger@eyesopen.com>
3510 * common.opt (Woverflow): New command line option.
3511 * c-common.c (constant_expression_warning): Check warn_overflow.
3512 (overflow_waring): Pass OPT_Woverflow to warning.
3513 (unsigned_conversion_warning): Likewise.
3514 (convert_and_check): Likewise.
3515 * doc/invoke.texi: Document new command line option.
3517 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3519 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3520 TARGET_NO_FP_IN_TOC for section anchors.
3521 (optimization_options): Enable section anchors for all
3522 non-"Objective" languages.
3524 2006-04-28 Eric Christopher <echristo@apple.com>
3526 * config/darwin-c.c (darwin_ms_struct): Move this
3527 (darwin_set_default_type_attributes): and this...
3528 * config/darwin.c: ... here.
3529 * config/darwin.h (darwin_ms_struct): Declare.
3531 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3533 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3535 2006-04-28 Roger Sayle <roger@eyesopen.com>
3537 PR c/25309
3538 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3539 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3540 an unsigned HOST_WIDE_INT.
3541 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3542 array index.
3543 (really_start_incremental_init): No need to call convert because
3544 bitsize_zero_node is already of type bitsizetype.
3545 (push_init_level): Extract the value of constructor_index as an
3546 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3547 (process_init_element): Likewise.
3549 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3551 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3552 value before passing to make_relative_prefix.
3554 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3556 PR middle-end/27260
3557 * builtins.c (expand_builtin_memset): Expand val in original mode.
3559 2006-04-27 Eric Christopher <echristo@apple.com>
3561 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3562 with #ifndef/#endif.
3563 * config/darwin-c.c (darwin_ms_struct): New.
3564 (darwin_pragma_ms_struct): Ditto.
3565 (darwin_set_default_type_attributes): Ditto.
3566 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3567 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3568 Register ms_struct pragma.
3569 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3570 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3571 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3572 darwin_set_default_type_attributes if TARGET_MACHO.
3574 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3576 PR tree-optimization/26854
3577 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3578 * doc/tree-ssa.texi: Update immuse iterator documentation.
3579 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3580 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3581 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3582 first_safe_imm_use, next_safe_imm_use): Remove.
3583 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3584 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3585 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3586 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3587 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3588 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3589 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3590 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3591 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3592 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3593 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3594 (perfect_nestify): Use new iterator.
3595 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3596 iterator.
3597 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3598 (next_imm_name): New field in struct immediate_use_iterator_d.
3599 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3600 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3601 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3602 * tree-cfg.c (replace_uses_by): Use new iterator.
3603 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3604 * tree-ssa-operands.c (correct_use_link): Remove.
3605 (finalize_ssa_use_ops): No longer call correct_use_link.
3607 2006-04-27 Stuart Hastings <stuart@apple.com>
3609 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3610 * config/t-darwin (crt3.o): Use it.
3611 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3612 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3613 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3614 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3615 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3616 support.
3618 2006-04-27 Roger Sayle <roger@eyesopen.com>
3620 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3621 size, force the intermediate into a new pseudo rather instead of
3622 performing both a bitwise AND and a bitwise IOR in memory.
3624 2006-04-27 Richard Guenther <rguenther@suse.de>
3626 PR rtl-optimization/26685
3627 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3628 this one "max-flow-memory-locations".
3630 2006-04-27 Richard Guenther <rguenther@suse.de>
3632 PR tree-optimization/25148
3633 * tree-vrp.c (compare_values): Remove code dealing with
3634 comparisons against type min/max value. Honour overflow
3635 and negative constants in code dealing with comparisons
3636 of plus and minus expressions.
3637 (value_inside_range): Use fold_binary with LE_EXPR and
3638 GE_EXPR rather than compare_values.
3640 2006-04-27 Dirk Mueller <dmueller@suse.de>
3642 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3643 prototype for SSE.
3645 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3647 * basic-block.h (safe_insert_insn_on_edge): Removed.
3648 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3650 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3651 Paolo Bonzini <bonzini@gnu.org>
3653 PR middle-end/27282
3654 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3655 (simplify_and_const_int): Same.
3657 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3659 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3661 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3663 PR c/26171
3664 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3665 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3666 cgraph_global_info_ready.
3668 PR middle-end/26913
3669 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3671 PR c/25996
3672 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3673 either decl or init is error_mark_node.
3675 PR middle-end/25989
3676 * tree-flow.h (struct omp_region): Add sched_kind.
3677 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3678 instead of extracting omp for data.
3679 (expand_omp_for): Save extracted sched_kind.
3681 2006-04-25 Roger Sayle <roger@eyesopen.com>
3683 * expmed.c (store_bit_field): Also check whether the bitsize is
3684 valid for the machine's "insv" instruction before moving the
3685 target into a pseudo for use with the insv.
3686 * config/i386/predicates.md (const8_operand): New predicate.
3687 * config/i386/i386.md (extv, extzv, insv): Use the new
3688 const8_operand predicate where appropriate.
3690 2006-04-25 DJ Delorie <dj@redhat.com>
3692 * doc/install.texi (Specific): Clarify that this is not a list of
3693 supported hosts or targets.
3695 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3697 PR rtl-optimization/26725
3698 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3699 block's BB_DIRTY flag.
3701 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3703 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3704 are no branches.
3706 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3707 to print an integer.
3709 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3711 * varasm.c (align_variable): New function.
3712 (get_block_for_decl): Apply align_variable to DECL before
3713 calculating section information.
3714 (assemble_variable): Split out alignment computation.
3716 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3718 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3719 machines.
3721 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3723 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3724 MODE_PARTIAL_INT mode.
3725 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3726 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3727 for CONST_INTs.
3728 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3729 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3730 V2PDImode.
3731 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3732 New predicates.
3733 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3734 New constants.
3735 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3736 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3737 MACFLAG_IH): Likewise.
3738 (movstricthi_1): Renamed from "*movstricthi".
3739 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3740 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3741 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3742 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3743 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3744 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3745 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3746 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3747 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3748 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3749 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3750 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3751 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3752 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3753 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3755 * doc/rtl.texi (ss_ashift): Improve wording.
3757 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3759 * dwarf2out.c (verify_marks_clear): New.
3760 (prune_unused_types): Call verify_marks_clear initially, not
3761 prune_unmark_dies.
3763 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3765 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3766 * doc/rtl.texi: Document them.
3767 * simplify-rtx.c (simplify_unary_operation,
3768 simplify_binary_operation_1): Don't abort when we see them.
3770 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3772 Revert:
3773 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3774 * configure.ac: Completely disregard languages that are not
3775 enabled.
3776 * configure: Regenerated.
3778 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3779 Richard Guenther <rguenther@suse.de>
3781 PR tree-optimization/27236
3782 * tree-inline.c (copy_body_r): Make sure to copy
3783 TREE_THIS_VOLATILE flag.
3785 2006-04-24 Richard Guenther <rguenther@suse.de>
3787 PR middle-end/26869
3788 * tree-complex.c (update_parameter_components): Don't handle
3789 unused parameters which have no default def.
3791 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3792 Richard Guenther <rguenther@suse.de>
3794 PR tree-optimization/27218
3795 * tree-inline.c (expand_call_inline): Strip useless type
3796 conversions for the return slot address.
3798 2006-04-24 Richard Guenther <rguenther@suse.de>
3800 * cfgloop.h (struct loops): Remove unused field array. Reorder
3801 state after num.
3802 (LOOP_PREFETCH): Remove.
3804 2006-04-24 Richard Guenther <rguenther@suse.de>
3806 PR tree-optimization/22525
3807 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3808 variable, adjust types of generated expressions.
3810 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3812 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3813 (tree-vect-patterns.o): Likewise.
3814 (jump.o): Likewise.
3815 (cselib.o): Likewise.
3816 (loop-doloop.o): Likewise.
3817 (regclass.o): Likewise.
3818 (reload1.o): Likewise.
3819 (explow.o): Replace target.h with $(TARGET_H).
3820 (ipa-prop.o): Likewise.
3821 (ipa-cp.o): Likewise.
3822 (ipa-inline.o): Likewise.
3823 (reorg.o): Likewise.
3824 (reg-stack.o): Likewise.
3826 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3828 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3830 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3832 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3834 * configure.ac: Completely disregard languages that are not
3835 enabled.
3836 * configure: Regenerated.
3838 PR c++/26534
3839 * c-common.h (c_build_bitfield_integer_type): Declare.
3840 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3841 * c-common.c (c_build_bitfield_integer_type): ... here.
3843 2006-04-23 Roger Sayle <roger@eyesopen.com>
3845 PR target/21283
3846 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3847 a SImode SUBREG of a floating point register after no_new_pseudos.
3849 2006-04-23 Roger Sayle <roger@eyesopen.com>
3851 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3852 identify potentially eliminable registers to additionally catch
3853 VIRTUAL_INCOMING_ARGS_REGNUM.
3854 (addsi3): Update the conditions on when to use addsi_small_int.
3856 2006-04-23 Roger Sayle <roger@eyesopen.com>
3858 PR target/16641
3859 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3860 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3861 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3863 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3865 * fold-const.c (range_predecessor): Use operand_equal_p
3866 as the predicate for equality.
3867 (range_successor): Likewise.
3869 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3871 Revert:
3872 * config/soft-fp/op-common.h: Fix a typo.
3874 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3876 PR libmudflap/26864
3877 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3878 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3880 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3882 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3883 Fix comment typos.
3884 * doc/tm.texi: Fix a typo.
3886 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3888 * dwarf2out.c (struct die_struct): Document that die_sib makes
3889 a circular linked list.
3890 (FOR_EACH_CHILD): New.
3891 (reverse_die_lists): Delete.
3892 (reverse_all_dies): Delete.
3893 (add_dwarf_attr): Correct documentation.
3894 (remove_child_with_prev): New.
3895 (remove_child_TAG): Update for change to die_struct, use
3896 remove_child_with_prev.
3897 (add_child_die): Update for change to die_struct.
3898 (splice_child_die): Use remove_child_with_prev and add_child_die.
3899 (print_die): Use FOR_EACH_CHILD.
3900 (die_checksum): Likewise.
3901 (assign_symbol_names): Likewise.
3902 (output_location_lists): Likewise.
3903 (build_abbrev_table): Likewise.
3904 (calc_die_sizes): Likewise.
3905 (mark_dies): Likewise.
3906 (unmark_dies): Likewise.
3907 (unmark_all_dies): Likewise.
3908 (output_die): Likewise.
3909 (prune_unused_types_mark): Likewise.
3910 (prune_unused_types_walk): Likewise.
3911 (same_die_p): Update for change to die_struct.
3912 (break_out_includes): Likewise.
3913 (prune_unused_types_prune): Likewise.
3914 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3915 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3916 it's already clear.
3917 (dwarf2out_finish): Don't call reverse_all_dies.
3919 2006-04-21 Eric Christopher <echristo@apple.com>
3921 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3922 in comments and function names.
3924 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3926 PR c/25875
3927 * c-typeck.c (digest_init): Robustify.
3929 * c-typeck.c (pop_init_level): Simplify.
3931 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3933 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3935 2006-04-21 Paul Brook <paul@codesourcery.com>
3937 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3938 hardware floating point.
3940 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3942 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3943 NON_FLOAT_REGS.
3945 2006-04-21 Nick Clifton <nickc@redhat.com>
3947 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3948 OPT_EXTRA_PARTS.
3950 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3952 PR target/27230
3953 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3954 C++ lang type in traceback table for Objective-C++.
3956 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3958 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3960 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3962 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3964 PR mudflap/26789
3965 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3966 were errors. Remove check for erroneous objects.
3968 2006-04-20 Jeff Law <law@redhat.com>
3970 PR tree-optimization/26854
3971 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3972 checking for zero or one use.
3973 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3974 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3975 * tree-ssa-reassoc.c (negate_value): Similarly.
3976 (reassociate_bb): Similarly.
3978 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3980 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3981 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3982 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3984 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3986 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3987 fp regs if the last fp arg doesn't fit in regs.
3989 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3991 PR target/27182
3992 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3993 that the last insn has the REG_INC note.
3995 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3996 Nathan Sidwell <nathan@codesourcery.com>
3998 PR c/26774
3999 * stor-layout.c (update_alignment_for_field): Do not align
4000 ERROR_MARK nodes.
4001 (place_union_field): Place union field at the start of the union.
4002 (place_field): Move ERROR_MARK check later, and use the current
4003 allocation position to maintain monotonicity.
4005 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4007 * dominance.c: Include timevar.h.
4008 (calculate_dominance_info): Use TV_DOMINANCE.
4009 * timevar.def (TV_DOMINANCE): New timevar.
4010 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4012 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4014 PR rtl-optimization/14261
4015 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4016 move would be an INSV insn.
4017 (noce_process_if_block): Don't optimize if the destination is a
4018 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4020 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4022 * config/s390/s390.md: Add comments with the instructions emitted
4023 by an insn pattern if macros are used.
4025 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4027 PR rtl-optimization/26026
4028 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4029 is a known power of two shifted left a variable amount.
4031 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4033 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4034 to hash table twice when the debug_str section has SECTION_MERGE.
4036 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4038 * config/soft-fp: New directory. From glibc.
4039 * config/soft-fp/t-softfp: New.
4040 * config/soft-fp/README: New.
4041 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4042 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4043 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4044 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4045 * config.gcc: Use rs6000/t-fprules-fpbit or
4046 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4047 rs6000/t-fprules.
4048 * config/rs6000/sfp-machine.h: New. Based on glibc.
4049 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4050 New.
4051 * config/rs6000/t-fprules: Remove fp-bit rules.
4052 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4053 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4054 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4055 (softfp_wrap_start, softfp_wrap_end): New.
4057 2006-04-18 DJ Delorie <dj@redhat.com>
4059 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4061 2006-04-18 Devang Patel <dpatel@apple.com>
4063 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4065 2006-04-18 Nick Clifton <nickc@redhat.com>
4067 * config/sh/t-symbian: Add rule to build sh-c.o
4068 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4069 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4070 (sh_symbian_encode_section_info): Likewise.
4072 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4074 * builtins.c (expand_builtin_strcmp): Cover label definition of
4075 do_libcall with HAVE_cmpstrnsi.
4077 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4079 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4080 instead of VARRAY.
4081 * function.h (temp_slot_p): New.
4082 (function): Change the type of x_used_temp_slots to
4083 VEC(temp_slot_p,gc) *.
4085 2006-04-18 Nick Clifton <nickc@redhat.com>
4087 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4088 flag_strength_reduce.
4090 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4092 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4094 PR target/27117
4096 Partial revert of revision 112637
4097 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4098 Dale Johannesen <dalej@apple.com>
4100 PR target/19653
4101 * regclass.c (struct reg_pref): Update documentation.
4102 (regclass): Set prefclass to NO_REGS if memory is the best option.
4103 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4105 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4107 PR tree-optimization/26821
4108 * tree-ssa-math-opts.c (get_constant_one): New.
4109 (insert_reciprocals): Use it.
4111 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4113 * dwarf2out.c (free_AT): Delete.
4114 (remove_AT): Update string ref counts.
4115 (remove_child_TAG): Don't call free_die.
4116 (free_die): Delete.
4117 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4118 or DW_TAG_GNU_EINCL.
4119 (prune_unused_types_walk_attribs): Reset string refcounts.
4120 (prune_unused_types_update_strings): New.
4121 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4122 call free_die. Do call prune_unused_types_update_strings.
4123 (prune_unused_types): Empty debug_str_hash.
4125 2006-04-17 Roger Sayle <roger@eyesopen.com>
4127 * expr.c (expand_assignment): Optimize away no-op moves where the
4128 source and destination are equal and have no side-effects.
4130 2006-04-17 Richard Guenther <rguenther@suse.de>
4132 PR target/26826
4133 * reload.c (push_reload): Guard calls to get_secondary_mem
4134 for memory subregs.
4136 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4138 * alias.c (reg_base_value, old_reg_base_value): Change the
4139 type to VEC(rtx,gc) *.
4140 (REG_BASE_VALUE, find_base_value, record_set,
4141 init_alias_analysis): Use VEC instead of VARRAY.
4143 * alias.c (alias_sets): Change the type to
4144 VEC(alias_set_entry,gc) *.
4145 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4146 VEC instead of VARRAY.
4147 (last_alias_set): Remove.
4149 * cgraph.h (cgraph_edge_p): New.
4150 Update the prototype of cgraph_function_versioning.
4151 * cgraphunit.c (cgraph_copy_node_for_versioning,
4152 cgraph_function_versioning): Use VEC instead of VARRAY.
4153 * ipa-cp.c (ipcp_insert_stage): Likewise.
4155 2006-04-16 Roger Sayle <roger@eyesopen.com>
4157 PR target/26961
4158 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4159 "A op B" or "A op C", we may need to convert A to the type of B and C.
4161 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4163 * target.h (struct gcc_target): Add mode_rep_extended.
4164 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4165 (init_num_sign_bit_copies_in_rep): Initialize it using
4166 mode_rep_extended.
4167 (truncate_to_mode): Use it.
4168 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4169 * targhooks.h (default_mode_rep_extended): Declare it.
4170 * targhooks.c (default_mode_rep_extended): Define it.
4171 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4172 default_mode_rep_extended.
4173 (TARGET_INITIALIZER): Include it.
4174 * doc/tm.texi (Misc): Document it.
4175 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4176 (mips_truncated_to_mode): New function.
4178 2006-04-16 Roger Sayle <roger@eyesopen.com>
4180 PR middle-end/25474
4181 * expr.c (compress_float_constant): Copy the narrow constant into
4182 a new pseudo before extending it to its final width.
4184 2006-04-16 Roger Sayle <roger@eyesopen.com>
4185 Andrew Pinski <pinskia@gcc.gnu.org>
4186 Dale Johannesen <dalej@apple.com>
4188 PR target/24076
4189 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4190 special case code to implement V8HImode and V16QImode with SSE2.
4192 2006-04-15 Roger Sayle <roger@eyesopen.com>
4194 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4195 trees are constructed with a suitable tree type.
4197 2006-04-15 Roger Sayle <roger@eyesopen.com>
4199 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4200 (integer_onep): Likewise.
4201 (integer_all_onesp): Likewise.
4202 (integer_pow2p): Likewise.
4203 (integer_nonzerop): Likewise.
4204 (real_zerop): Likewise.
4205 (real_onep): Likewise.
4206 (real_twop): Likewise.
4207 (real_minus_onep): Likewise.
4208 (int_size_in_bytes): Likewise.
4209 (host_integerp): Likewise.
4211 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4213 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4214 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4215 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4217 * tree-ssa-structalias.h (alias_info): Remove num_references.
4219 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4221 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4222 (output_bvb patterns): Likewise.
4223 * pa.c (output_bb): Use 'bb' insn for long branch case.
4224 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4225 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4226 1. Correct length operand for alternatives 1 and 2.
4227 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4228 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4230 2006-04-14 Roger Sayle <roger@eyesopen.com>
4232 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4233 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4234 were accidentally reverted by r112959.
4236 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4238 PR middle-end/26823
4239 * except.h (eh_region_outermost): New prototype.
4240 * except.c (eh_region_outermost): New function.
4241 * tree-cfg.c (find_outermost_region_in_block): Use it.
4243 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4245 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4246 of VARRAY.
4247 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4248 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4249 (init_reload, reload): Use VEC instead of VARRAY.
4250 * reload.h: Update the prototype for
4251 reg_equiv_memory_loc_varray.
4253 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4254 Eric Botcazou <ebotcazou@libertysurf.fr>
4256 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4257 register save area.
4259 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4261 PR middle-end/27134
4262 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4263 to expand fallback builtin function call.
4265 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4267 PR middle-end/27095
4268 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4269 and emit libcall here in case the builtin fails.
4270 (expand_builtin_strcmp): Always emit the libcall here on failure.
4272 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4274 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4275 * flow.c (reg_n_info): Change the type to
4276 VEC(reg_info_p,heap) *.
4277 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4278 instead of VARRAY.
4279 * regs.h (reg_info_p): New.
4280 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4281 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4282 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4283 instead of VARRAY.
4285 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4287 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4288 defaulting to 100.
4289 * params.h (MAX_SCHED_READY_INSNS): New macro.
4290 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4291 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4292 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4293 the ready list for 1 cycle during the first scheduling pass.
4294 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4296 2006-04-13 Richard Henderson <rth@redhat.com>
4298 PR libgomp/26651
4299 * gimple-low.c (lower_omp_directive): Remove dead code.
4300 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4301 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4302 * omp-low.c (struct omp_region): Move to tree-flow.h.
4303 (root_omp_region): Export.
4304 (omp_regions, lookup_omp_region): Remove.
4305 (determine_parallel_type): Update for struct omp_region changes.
4306 (dump_omp_region): Dump regions with block numbers.
4307 (new_omp_region): Take type and block instead of stmt; malloc
4308 instead of ggc.
4309 (free_omp_region_1, free_omp_regions): New.
4310 (expand_parallel_call): Take entry_stmt as argument; update for
4311 changes to omp_region.
4312 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4313 (remove_exit_barriers): New.
4314 (expand_omp_parallel): Update for struct omp_region changes.
4315 (expand_omp_synch): Likewise.
4316 (expand_omp): Likewise.
4317 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4318 (expand_omp_for_static_chunk): Likewise.
4319 (expand_omp_for): Likewise.
4320 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4321 (expand_omp_sections): Similarly, with GOMP_sections_end.
4322 (expand_omp_single): New.
4323 (build_omp_regions_1): Update for OMP_CONTINUE.
4324 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4325 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4326 OMP_SECTIONS_SECTIONS.
4327 (lower_omp_single_simple): Don't emit barrier here.
4328 (lower_omp_single_copy): Likewise.
4329 (lower_omp_single): Fix bindings, and lower to straightline now.
4330 (lower_omp_master, lower_omp_ordered): Likewise.
4331 (lower_omp_critical): Likewise.
4332 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4333 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4334 omp edges, free it afterward.
4335 (make_omp_sections_edges): Remove.
4336 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4337 (move_stmt_r): Handle OMP_CONTINUE.
4338 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4339 statement pointers to basic blocks. Add type member.
4340 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4341 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4342 * tree-inline.c (estimate_num_insns_1): Likewise.
4343 * tree-pretty-print.c (dump_generic_node): Likewise.
4344 * tree-ssa-operands.c (get_expr_operands): Likewise.
4345 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4346 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4347 (OMP_CONTINUE): New.
4348 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4349 (OMP_SECTIONS_SECTIONS): Remove.
4350 (OMP_SECTION_LAST): New.
4351 (OMP_RETURN_NOWAIT): New.
4353 2006-04-13 Roger Sayle <roger@eyesopen.com>
4355 * fold-const.c (native_encode_vector, native_interpret_real):
4356 Correct obvious mistakes in the previous check-in.
4358 2006-04-13 Roger Sayle <roger@eyesopen.com>
4360 * fold-const.c (native_encode_expr): New function to encode
4361 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4362 or VECTOR_CST into a specified buffer.
4363 (native_encode_int): New function.
4364 (native_encode_real): New function.
4365 (native_encode_complex): New function.
4366 (native_encode_vector): New function.
4367 (native_interpret_expr): Inverse of native_encode_expr to convert
4368 a target representation into an INTEGER_CST, REAL_CST etc...
4369 (native_interpret_int): New function.
4370 (native_interpret_real): New function.
4371 (native_interpret_complex): New function.
4372 (native_interpret_vector): New function.
4373 (fold_view_convert_expr): New function to constant fold/evaluate
4374 a VIEW_CONVERT_EXPR of a suitable constant expression.
4375 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4376 Change call of build1 to fold_build1 when constructing a
4377 VIEW_CONVERT_EXPR.
4379 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4380 Ulrich Weigand <uweigand@de.ibm.com>
4382 PR target/27006
4383 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4384 to be even.
4386 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4388 PR target/26459
4389 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4390 optimize to lo_sum for DFmode if !TARGET_FPRS.
4392 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4394 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4395 delete_alias_info, compute_flow_sensitive_aliasing,
4396 group_aliases): Use VEC instead of VARRAY.
4397 * tree-ssa-structalias.c (update_alias_info): Likewise.
4398 * tree-ssa-structalias.h (alias_info): Change the type of
4399 processed_ptrs to VEC(tree,heap) *.
4401 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4403 PR target/27060
4404 * config/sh/lib1funcs.h: New file, broken out of:
4405 * config/sh/lib1funcs.asm.
4406 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4407 New macros.
4408 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4409 * config/sh/lib1funcs-Os-4-200.asm: New file.
4410 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4411 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4412 (EXTRA_MULTILIB_PARTS): Include it.
4413 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4414 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4415 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4416 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4417 TARGET_SH2.
4419 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4421 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4422 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4423 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4424 VARRAY.
4425 * tree-ssa-live.h: Include vecprim.h.
4426 (tree_partition_associator_d): Change the type of
4427 first_partition to VEC(int,heap) *.
4428 (tpa_first_partition): Use VEC instead of VARRAY.
4430 * Makefile.in (GTFILES): Move functions.h after tree.h.
4431 * function.c (reset_block_changes, record_block_change,
4432 check_block_change, free_block_changes): Use VEC instead of
4433 VARRAY.
4434 * function.h (function): Change the type of
4435 ib_boundaries_block to VEC(tree,gc) *.
4436 * tree-inline.c (copy_cfg_body): Initialize
4437 ib_boundaries_block to NULL instead of (varray_type) 0.
4439 2006-04-12 Roger Sayle <roger@eyesopen.com>
4441 * expr.c (emit_group_store): Correct operand order in call to
4442 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4443 a SUBREG_BYTE of zero.
4445 2006-04-12 Richard Guenther <rguenther@suse.de>
4447 * profile.c (compute_branch_probabilities): Remove code
4448 encapsulated in !ir_type (), which are remanents of the
4449 removed RTL profiling code.
4450 * rtl-profile.c: Remove.
4452 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4454 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4455 magic NULL_RTX comment.
4456 (function_arg): Store entire fp arg to mem if any part should go
4457 on stack.
4458 (rs6000_arg_partial_bytes): Adjust for above change.
4460 2006-04-11 Roger Sayle <roger@eyesopen.com>
4462 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4463 if it hasn't been initialized by dwarf2out_init.
4465 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4467 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4468 symbolic constants in branch patterns.
4470 2006-04-11 Roger Sayle <roger@eyesopen.com>
4472 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4474 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4476 PR rtl-optimization/27073
4477 * gcse.c (try_replace_reg): Revert last change. Continue to search
4478 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4479 on the former.
4481 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4483 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4484 aggregate types other than record and union types.
4485 (function_arg): Likewise.
4486 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4487 small arrays.
4488 (function_value): In 64-bit mode, return objects that require it
4489 in FP registers.
4491 2006-04-11 Roger Sayle <roger@eyesopen.com>
4493 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4495 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4497 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4499 2006-04-03 Jeff Law <law@redhat.com>
4501 PR/27087
4502 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4503 alias information too.
4505 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4507 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4509 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4511 PR/21391
4512 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4513 (premark_used_types_helper): New.
4514 (premark_used_types): New.
4515 (gen_subprogram_die): Call premark_used_types.
4516 (prune_unused_types_walk): Do not prune perennial dies.
4517 * function.c (used_types_insert): New.
4518 * function.h (struct function): Add used_types_hash field.
4519 (used_types_insert): Add prototype.
4520 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4521 * c-parser.c (c_parser_cast_expression): Save casted types in used
4522 types hash table.
4524 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4526 PR target/26459
4527 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4528 rs6000_explicit_options.float_gprs.
4530 2006-04-10 Roger Sayle <roger@eyesopen.com>
4532 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4533 from ix86_expand_vector_init_low_nonzero. Take an additional
4534 one_var argument indicating which element is non-zero. Support
4535 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4536 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4537 with one_var instead of ix86_expand_vector_init_low_nonzero.
4539 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4541 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4542 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4543 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4544 build/genextract.o): Depend on vecprim.h.
4545 * cfglayout.c, df-problems.c, function.c, genextract.c,
4546 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4547 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4548 vecprim.h.
4549 * vecprim.h: New.
4551 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4553 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4554 Declare VECs of this type.
4555 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4556 (remove_children): Delete.
4557 (add_dwarf_attr): Use VEC routines.
4558 (add_AT_flag): Update for changes to add_dwarf_attr.
4559 (add_AT_int): Likewise.
4560 (add_AT_unsigned): Likewise.
4561 (add_AT_long_long): Likewise.
4562 (add_AT_vec): Likewise.
4563 (add_AT_string): Likewise.
4564 (add_AT_die_ref): Likewise.
4565 (add_AT_fde_ref): Likewise.
4566 (add_AT_loc): Likewise.
4567 (add_AT_loc_list): Likewise.
4568 (add_AT_addr): Likewise.
4569 (add_AT_lbl_id): Likewise.
4570 (add_AT_lineptr): Likewise.
4571 (add_AT_macptr): Likewise.
4572 (add_AT_offset): Likewise.
4573 (add_AT_range_list): Likewise.
4574 (get_AT): Use VEC_iterate.
4575 (remove_AT): Use VEC_ordered_remove.
4576 (free_die): Fold remove_children into here; have it use VEC_iterate.
4577 (print_die): Use VEC_iterate on attrs.
4578 (reverse_die_lists): Don't reverse attr lists.
4579 (die_checksum): Use VEC_iterate on attrs.
4580 (same_die_p): Likewise.
4581 (output_location_lists): Likewise.
4582 (build_abbrev_table): Likewise.
4583 (size_of_die): Likewise.
4584 (unmark_all_dies): Likewise.
4585 (output_abbrev_section): Likewise.
4586 (output_die): Likewise.
4587 (prune_unused_types_walk_attribs): Likewise.
4589 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4591 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4593 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4595 PR debug/27057
4596 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4598 2006-04-09 Roger Sayle <roger@eyesopen.com>
4600 * expr.c (store_constructor): Don't bother clearing target if
4601 we're about to assign a vector to it using vec_init_optab.
4603 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4605 * tree-ssa-alias.c (lhs_may_store_to): New function.
4606 (recalculate_used_alone): Handle LHS of calls.
4608 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4610 PR target/27034
4611 PR target/26508
4612 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4613 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4614 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4615 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4616 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4617 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4618 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4619 stubs. Add ".align 8" directives before all ".dword" directives.
4620 (GTHREAD_USE_WEAK): Revise comment.
4621 (TARGET_ATTRIBUTE_WEAK): Define.
4622 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4623 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4624 * stublib.c: New file.
4626 PR target/26743
4627 PR target/11254
4628 PR target/10274
4629 * pa.md (cbranch patterns): Revise arguments used in calls to
4630 output_cbranch, output_bb and output_bvd. Add long branch length
4631 attributes.
4632 (fbranch patterns): Handle long branches.
4633 (jump): Revise length check. Revise arguments for output_lbranch call.
4634 Add long branch length attributes.
4635 (decrement_and_branch_until_zero): Add long branch length attributes.
4636 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4637 Likewise. Revise arguments for output_parallel_addb and
4638 output_parallel_movb calls.
4639 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4640 output_parallel_movb and output_parallel_addb): Update prototypes.
4641 * pa.c (output_cbranch): Revise arguments. Correct handling of
4642 nullification in long branches.
4643 (output_lbranch): Add new argument to control extraction of delay
4644 instruction.
4645 (output_bb): Handle long branches.
4646 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4647 output_parallel_addb): Likewise.
4649 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4651 PR rtl-optimization/27073
4652 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4653 not REG_EQUIVs.
4655 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4657 * tree.h (tree_memory_tag): Add old_used_alone.
4658 (SMT_OLD_USED_ALONE): New macro.
4659 * tree-ssa-alias.c (recalculate_used_alone): Stop
4660 marking things for renaming unnecessarily.
4662 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4664 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4665 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4666 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4667 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4668 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4669 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4670 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4671 spelling convensions.
4672 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4673 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4674 typos. Follow spelling conventions.
4676 2006-04-07 DJ Delorie <dj@redhat.com>
4678 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4679 passed on the stack.
4680 (m32c_init_cumulative_args): When a function returns a structure,
4681 always pass the pointer to that return area on the stack.
4682 (m32c_function_arg_advance): Don't increment the parameter number
4683 if we're processing the returned structure pointer.
4684 (pushm_info): Reverse order of registers.
4686 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4688 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4689 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4690 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4691 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4692 build_int_cst_type.
4693 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4694 chrec_fold_multiply): Same.
4695 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4696 force_expr_to_var_cost): Same.
4697 * tree-mudflap.c (mf_xform_derefs_1): Same.
4698 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4700 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4702 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4703 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4704 insn.
4706 2006-04-07 Jan Hubicka <jh@suse.cz>
4708 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4710 2006-04-07 Richard Guenther <rguenther@suse.de>
4712 PR tree-optimization/26135
4713 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4714 loads for store copy-prop.
4715 (copy_prop_visit_stmt): Likewise.
4717 2006-04-05 Robert Millan <robertmh@gnu.org>
4719 * config/i386/linux.h: Add a comment to mark macros that are
4720 being overriden in config/k*bsd-gnu.h.
4721 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4722 DYNAMIC_LINKER.
4723 * config/knetbsd-gnu.h: Ditto.
4725 2006-04-06 Jan Hubicka <jh@suse.cz>
4727 PR profile/20815
4728 PR profile/26399
4729 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4730 after buffer.
4732 2006-04-06 Mike Stump <mrs@apple.com>
4734 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4735 for HAVE_nonlocal_goto to be consistent.
4736 (expand_builtin_nonlocal_goto): Likewise.
4737 (expand_builtin_strcmp): Use #ifdef instead of #if
4738 for HAVE_cmpstrnsi to be consistent.
4740 2006-04-05 DJ Delorie <dj@redhat.com>
4742 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4743 vs m32c.
4745 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4747 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4748 got-relative addressing for anything but SImode.
4750 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4751 even if the calling function doesn't modify them.
4753 2006-04-05 Richard Guenther <rguenther@suse.de>
4755 PR tree-optimization/26919
4756 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4757 to cgraph_estimate_size_after_inlining.
4759 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4761 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4763 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4765 PR tree-optimization/26996
4766 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4767 VECTOR_TYPE variables.
4769 2006-04-05 Richard Guenther <rguenther@suse.de>
4771 PR tree-optimization/26763
4772 * fold-const.c (fold_comparison): Move folding of
4773 PTR + CST CMP PTR + CST ...
4774 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4776 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4778 * doc/install.texi (Prerequisites): Refine some wording on
4779 bootstrapping and ksh.
4780 Move the version numbers of DejaGnu here from the testing section
4781 and fix casing of names.
4782 Fix markup and clarify wording for autogen requirements.
4783 Refer to GCJ instead of just java.
4784 Refer to SVN instead of CVS.
4785 Describe diffutils as useful instead of necessary.
4786 (Downloading the source): Refer to SVN instead of CVS.
4787 Adjust a link to our web site accordingly.
4788 (Configuration): Fix casing of Bison.
4789 (Building): Refer to SVN instead of CVS.
4790 Fix a sentence on the use of Bison and remove duplicate (and
4791 incorrect) version number of Bison requirement.
4792 Remove one redundant list of packages needed for building.
4793 (Specific): Avoid reference to CVS.
4795 2006-04-04 Eric Christopher <echristo@apple.com>
4797 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4798 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4799 (rs6000_handle_struct_attribute): New.
4800 (rs6000_ms_bitfield_layout_p): Ditto.
4802 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4804 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4805 NULL for dso parameter to atexit_common.
4807 2006-04-04 Eric Christopher <echristo@apple.com>
4809 * config/i386/i386.c (machopic_output_stub): Output \t
4810 between instructions and operands.
4812 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4814 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4815 satisfies_constraint_[IL] to explicit tests on value.
4817 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4819 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4820 set_nb_iterations_in_loop): Use build_int_cst instead of
4821 build_int_cst_type.
4822 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4823 build_int_cst instead of convert.
4825 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4827 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4828 new value 2 for incoming.
4829 * function.c (expand_function_start): Call struct_value_rtx
4830 with incoming as 2.
4831 * config/sparc/sparc.md: Comment updated_return.
4832 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4833 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4834 struct return if sparc_std_struct_return and incoming is 2.
4835 (print_operand): Do not adjust return if
4836 sparc_std_struct_return.
4838 2006-04-04 Roger Sayle <roger@eyesopen.com>
4840 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4841 convert in the middle-end.
4842 * expr.c (store_expr, store_constructor, get_inner_reference,
4843 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4844 Likewise.
4845 * tree.c (build_range_type): Likewise.
4847 2006-04-04 Tom Tromey <tromey@redhat.com>
4849 * doc/install.texi (Prerequisites): Mention jar.
4851 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4853 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4854 subsection.
4856 2006-04-04 Matthias Klose <doko@debian.org>
4858 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4859 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4860 strings.
4862 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4864 * doc/extend.texi (Function Attributes): Rewrite visibility
4865 attribute documentation.
4866 * doc/invoke.texi (C++ Dialect Options): Rewrite
4867 -fvisibility-inlines-hidden documentation to describe something
4868 entirely different, although in practise compatible.
4869 (Code Gen Options): Warn about system headers in -fvisibility=
4870 documentation.
4872 * doc/extend.texi (Other Builtins): Document that
4873 __builtin_nan is a compile-time constant only when its argument
4874 is valid.
4876 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4878 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4879 trying to remove TRUNCATE check if all bits outside the new mode
4880 are identical to the sign bit.
4882 2006-04-03 Jeff Law <law@redhat.com>
4884 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4885 and operand scanning in some common cases.
4887 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4888 Dale Johannesen <dalej@apple.com>
4890 PR target/19653
4891 * regclass.c (struct reg_pref): Update documentation.
4892 (regclass): Set prefclass to NO_REGS if memory is the best option.
4893 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4894 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4895 into account. For non-registers, equate an empty preferred
4896 reload class to a `!' in the constraint; move the if clause to
4897 do so after those that reject the insn.
4898 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4899 return NO_REGS.
4900 (find_dummy_reload): Likewise.
4901 * doc/tm.texi (Register Classes): Document what it means
4902 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4903 * config/i386/i386.c (ix86_preferred_reload_class): Force
4904 using SSE registers (and return NO_REGS for floating-point
4905 constants) if math is done with SSE.
4906 (ix86_preferred_output_reload_class): New.
4907 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4908 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4909 * config/i386/i386.md: Remove # register preferences.
4911 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4913 PR bootstrap/26992
4914 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4915 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4916 the type of nb_iter.
4917 (instantiate_parameters_1): Convert the operands before calling
4918 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4919 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4921 2006-04-02 Roger Sayle <roger@eyesopen.com>
4923 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4924 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4925 instead of convert.
4926 * dojump.c (do_jump): Likewise.
4927 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4928 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4929 gimplify_boolean_expr): Likewise.
4930 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4931 * varasm.c (array_size_for_constructor): Likewise.
4932 * tree-object-size.c (compute_object_offset): Likewise.
4934 2006-04-02 Roger Sayle <roger@eyesopen.com>
4936 PR middle-end/26977
4937 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4938 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4940 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4942 PR tree-optimization/26939
4943 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4945 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4947 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4948 at_stmt. Convert the type of operands before calling
4949 build_polynomial_chrec.
4950 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4951 add_to_evolution_1.
4952 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4953 (instantiate_parameters_1): Convert the type of operands before calling
4954 build_polynomial_chrec.
4955 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4956 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4957 reset_evolution_in_loop): Insert asserts to check the types of the
4958 operands.
4959 (chrec_type): Moved...
4960 (eq_evolutions_p): Use operand_equal_p.
4961 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4962 the types of the operands.
4963 (chrec_type): ...here.
4964 * tree-data-ref.c (create_data_ref): Convert the operands before
4965 calling chrec_replace_initial_condition.
4966 (same_access_functions, analyze_subscript_affine_affine,
4967 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4968 (compute_subscript_distance, analyze_ziv_subscript,
4969 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4970 analyze_miv_subscript): Convert the operands before calling
4971 chrec_fold_minus or chrec_fold_plus.
4973 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4975 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4976 the dependence_relations vector.
4977 (compute_data_dependences_for_loop): Adjust call to
4978 compute_all_dependences.
4980 2006-04-01 Roger Sayle <roger@eyesopen.com>
4981 Richard Henderson <rth@redhat.com>
4983 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4984 gimple_boolify on the condition before calling gimplify_expr.
4986 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4988 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4989 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4990 the frame size. Update to use the new macros.
4991 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4992 * config/xtensa/ieee754-df.S: Likewise.
4994 2006-03-31 Richard Henderson <rth@redhat.com>
4996 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4997 (make_edges): ... here. Control fallthru creation with a local
4998 variable. Do not play with fake edges.
4999 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5000 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5001 a boolean.
5003 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5005 * dwarf2.h (DW64_CIE_ID): Define.
5006 * dwarf2out.c (DWARF_CIE_ID): Define.
5007 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5008 length header. Use DWARF_CIE_ID.
5009 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5010 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5012 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5014 * config/sh/linux-atomic.asm: New file.
5015 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5017 2006-03-31 DJ Delorie <dj@redhat.com>
5019 * config/m32c/cond.md: Set condition flags properly throughout.
5020 * config/m32c/minmax.md: Likewise.
5021 * config/m32c/prologue.md: Likewise.
5022 * config/m32c/bitops.md: Likewise.
5023 * config/m32c/muldiv.md: Likewise.
5024 * config/m32c/mov.md: Likewise.
5025 * config/m32c/addsub.md: Likewise.
5026 * config/m32c/m32c.md: Likewise.
5027 * config/m32c/jump.md: Likewise.
5028 * config/m32c/shift.md: Likewise.
5030 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5031 conditionally output the pattern for this.
5032 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5033 (m32c_compare_redundant): New.
5034 (m32c_output_compare): New.
5035 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5037 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5038 dest, not src. Allow other 4-byte modes.
5040 2006-03-30 Denis Chertykov <denisc@overta.ru>
5042 * doc/md.texi: Refer to avr/constraints.md instead of
5043 avr/avr.h.
5045 2006-03-30 Roger Sayle <roger@eyesopen.com>
5047 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5048 signed vs. unsigned comparison failures on some hosts.
5050 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5052 PR target/26459
5053 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5054 change to FLOAT_REGS.
5056 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5057 (rs6000_override_options): Use it.
5058 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5059 only for -mabi=spe/no-spe and -mabi=altivec.
5061 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5063 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5064 !Zdynamiclib.
5066 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5068 * Makefile.in: Rename docdir to gcc_docdir.
5070 2006-03-30 Roger Sayle <roger@eyesopen.com>
5072 PR target/17959
5073 * expr.c (emit_group_store): Optimize group stores into a pseudo
5074 register by using a paradoxical subreg to initialize the destination
5075 if the first or last member of the group specifies a "low part".
5077 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5079 PR target/26734
5080 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5081 * target.h (struct gcc_target.speculate_insn): Change type of the
5082 second parameter to 'int'.
5083 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5084 the second operand of the DEPS_LIST.
5085 (copy_DEPS_LIST_list): Update reference to the second operand of the
5086 DEPS_LIST.
5087 * rtl.h (alloc_DEPS_LIST): Update signature.
5088 * sched-int.h (ds_t): Change typedef to 'int'.
5089 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5091 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5093 * haifa-sched.c (try_ready): Change condition to restore
5094 non-speculative pattern of the instruction.
5095 (process_insn_depend_be_in_spec): Code to keep probability of the
5096 speculative dependence non-decreasing.
5098 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5100 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5101 (single_move_for_movmem): ... this. Also change all uses.
5102 (bfin_expand_strmov): Renamed to...
5103 (bfin_expand_movmem): ... this. Also change all uses.
5104 * config/bfin/bfin.md (movstrsi): Renamed to...
5105 (movstrsi): ...this.
5107 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5109 PR tree-optimization/26830
5111 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5112 (copy_prop_visit_stmt): Remove write-only variable ann.
5113 (init_copy_prop): Check variable loop depth here. Do not simulate
5114 memory-tag and virtual operand PHIs except for store copy prop.
5116 2006-03-30 Richard Guenther <rguenther@suse.de>
5118 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5119 variants with double arguments.
5121 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5123 * genpreds.c (write_tm_constrs_h): Delete variable p.
5124 * genconditions.c (write_header): Add tm-constrs.h to included
5125 headers.
5126 * genpeep.c (main): Add toplev.h to included headers.
5127 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5128 (build/genpeep.o): Add toplev.h dependency.
5129 * config/rs6000/constraints.md: Add "W" constraint.
5131 2006-03-29 Roger Sayle <roger@eyesopen.com>
5133 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5134 sizes by correctly testing whether the size fits a host integer.
5135 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5136 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5137 SImode range for the default sizetype and bitsizetype.
5139 2006-03-29 Roger Sayle <roger@eyesopen.com>
5141 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5142 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5143 quickly if the argument is already of the correct type.
5144 Call fold_build1 instead of build1. Tidy up blank lines.
5146 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5148 * genemit.c (main): Add tm-constrs.h to included headers.
5149 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5150 * genpeep.c (main): Add tm-constrs.h to included headers.
5151 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5152 (write_tm_constrs_h): this and write complete file.
5153 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5154 (write_insn_preds_c): Add tm-constrs.h to included headers.
5155 (gen_constrs): New variable.
5156 (parse_option): Parse "-c".
5157 (main): Invoke write_tm_constrs_h.
5158 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5159 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5160 (object_out_file): Add tm-constrs.h dependency.
5161 (insn-emit.o): Same.
5162 (insn-output.o): Same.
5163 (insn-peep.o): Same.
5164 (insn-preds.o): Same.
5165 (insn-recog.o): Same.
5166 (tm-constsr.h): New target.
5167 (s-constrs-h): New target.
5169 * config/rs6000/constraints.md: New file.
5170 * config/rs6000/rs6000.c: Include tm-constrs.h.
5171 (num_insn_constant_wide): Convert to satisfies_constraint.
5172 (rs6000_rtx_costs): Convert to satisfies_constraint.
5173 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5174 (CONST_OK_FOR_LETTER_P): Delete.
5175 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5176 (EXTRA_CONSTRAINT): Delete.
5177 (EXTRA_MEMORY_CONSTRAINT): Delete.
5178 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5179 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5180 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5181 satisfies_constraint.
5183 * config/i386/i386.c: Include tm-constrs.h.
5185 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5187 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5188 * tree-data-ref.c (find_data_references_in_loop,
5189 compute_data_dependences_for_loop): Use pointers to VEC.
5190 (analyze_all_data_dependences): Adjust calls.
5191 * tree-data-ref.h (find_data_references_in_loop,
5192 compute_data_dependences_for_loop): Adjust declarations.
5193 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5194 compute_data_dependences_for_loop.
5196 2006-03-29 Paul Brook <paul@codesourcery.com>
5198 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5199 (movdf_vfp): Ditto.
5201 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5203 PR tree-optimization/26859
5204 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5205 division by zero.
5206 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5207 for the step after fold_convert.
5209 2006-03-29 Paul Brook <paul@codesourcery.com>
5211 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5212 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5214 2006-03-29 Paul Brook <paul@codesourcery.com>
5216 PR middle-end/23623
5217 * targhooks.c (default_narrow_bitfield): New fuction.
5218 * targhooks.h (default_narrow_bitfield): add prototype.
5219 * target.h (gcc_target): Add narrow_volatile_bitfield.
5220 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5221 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5222 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5223 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5225 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5227 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5228 tmake_file.
5229 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5230 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5231 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5232 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5233 (s390_function_arg_float): Allow SDmode and DDmode values to be
5234 passed in floating point registers.
5235 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5236 check with SCALAR_FLOAT_MODE_P.
5237 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5239 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5241 PR tree-optimization/25985
5242 * tree-ssa-loop-niter.c (number_of_iterations_le,
5243 number_of_iterations_ne): Make comments more precise.
5244 (number_of_iterations_cond): Add only_exit argument. Use the
5245 fact that signed variables do not overflow only when only_exit
5246 is true.
5247 (loop_only_exit_p): New.
5248 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5249 number_of_iterations_cond.
5251 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5253 PR tree-optimization/26643
5254 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5255 bit_field_refs.
5257 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5259 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5260 (divsi3_i4_int): Likewise.
5262 2006-03-28 Roger Sayle <roger@eyesopen.com>
5264 * expr.c (emit_group_store): Only create a new pseudo reg if the
5265 quantity it needs to hold isn't already a suitable pseudo.
5267 2006-03-28 Jeff Law <law@redhat.com>
5269 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5270 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5272 2006-03-28 Roger Sayle <roger@eyesopen.com>
5274 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5275 the equivalent ~X & Y, and the symmetry related transformations.
5276 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5277 ~X & Y, and symmetry related transforms.
5279 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5281 Revert my 2006-03-27 patches.
5283 2006-03-28 Roger Sayle <roger@eyesopen.com>
5285 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5286 ~(T1)X, when T1 and T2 are integer types of the same precision
5287 and (T2)X isn't an extension.
5289 2006-03-28 Jeff Law <law@redhat.com>
5291 PR tree-optimization/26796
5292 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5293 need EH edge cleanups rather than purging them immediately.
5294 (eliminate_degenerate_phis): Handle queued EH cleanups.
5296 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5298 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5299 from parent_var.
5301 2006-03-27 Roger Sayle <roger@eyesopen.com>
5303 PR middle-end/22524
5304 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5305 cast BIT_NOT_EXPR operand to the correct type.
5307 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5309 * tree-loop-linear.c: Don't include varray.h.
5310 (gather_interchange_stats, try_interchange_loops,
5311 linear_transform_loops): Use VEC instead of VARRAY.
5312 * lambda-mat.c: Don't include varray.h.
5313 * tree-chrec.c: Same.
5314 * lambda-trans.c: Same.
5315 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5316 VEC instead of VARRAY.
5317 * tree-vectorizer.h: Idem.
5318 * tree-data-ref.c (dump_data_references,
5319 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5320 initialize_data_dependence_relation, finalize_ddr_dependent,
5321 compute_all_dependences, find_data_references_in_loop,
5322 compute_data_dependences_for_loop, analyze_all_data_dependences,
5323 free_dependence_relation, free_dependence_relations,
5324 free_data_refs): Idem.
5325 * tree-data-ref.h (data_reference_p, subscript_p): New.
5326 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5327 VEC instead of VARRAY.
5328 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5329 (find_data_references_in_loop, compute_data_dependences_for_loop,
5330 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5331 dump_data_dependence_relations, free_dependence_relations,
5332 free_data_refs): Adjust declaration.
5333 (lambda_transform_legal_p): Move declaration here...
5334 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5335 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5336 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5337 vect_analyze_data_refs): Use VEC instead of VARRAY.
5338 * lambda.h (lambda_transform_legal_p): ...from here.
5339 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5340 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5341 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5342 tree-chrec.o): Don't depend on VARRAY_H.
5344 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5346 * rtl.def (Copyright): Update date.
5347 (DEPS_LIST): Change type of the second operand to 'int'.
5348 * target.h (Copyright): Update date.
5349 (struct gcc_target.speculate_insn): Change type of the second parameter
5350 to 'int'.
5351 * lists.c (Copyright): Update date.
5352 (alloc_DEPS_LIST): Change signature. Update reference to the second
5353 operand of the DEPS_LIST.
5354 (copy_DEPS_LIST_list): Update reference to the second operand of the
5355 DEPS_LIST.
5356 * rtl.h (Copyright): Update date.
5357 (alloc_DEPS_LIST): Update signature.
5358 * sched-int.h (Copyright): Update date.
5359 (ds_t): Change typedef to 'int'.
5360 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5362 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5364 * haifa-sched.c (Copyright): Update date.
5365 (try_ready): Change condition to restore non-speculative pattern
5366 of the instruction.
5367 (process_insn_depend_be_in_spec): Code to keep probability of the
5368 speculative dependence non-decreasing.
5370 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5372 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5373 shut up the compiler.
5375 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5377 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5378 to use lib prefix for target.
5379 ($(T)libic_invalidate_array_4-200.a): Likewise.
5380 ($(T)libic_invalidate_array_4a.a): Likewise.
5382 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5383 J"orn Rennecke <joern.rennecke@st.com>
5385 * superh.opt: New file.
5386 * sh.c (boardtype, osruntime): Remove.
5387 * superh.h (SUBTARGET_OPTIONS): Remove.
5388 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5390 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5391 arguments with ^ and/or [].
5393 * config.gcc (sh-*-*): Add quoting to account for quirk of
5394 Solaris /bin/sh.
5395 Replace == with = in enable_incomplete_targets test.
5397 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5398 with MASK_LITTLE_ENDIAN.
5400 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5401 * config/sh/sh.opt: Added to some comments.
5402 * config/sh/superh.h: Removed some chaff.
5404 * config/sh/sh.opt: Add m4-[1234]00* options.
5405 * config/sh/sh.c (sh_handle_option): Likewise.
5406 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5407 (ic_invalidate_array_4-100.o): New rule.
5408 ($(T)libic_invalidate_array_4-100.a): Likewise.
5409 (ic_invalidate_array_4-200.o): Likewise.
5410 ($(T)libic_invalidate_array_4-200.a): Likewise.
5411 (ic_invalidate_array_4a.o): Likewise.
5412 ($(T)libic_invalidate_array_4a.a): Likewise.
5413 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5414 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5415 m4-200*, and m4a*.
5416 * config/sh/crt1.asm: Merged in profiling code.
5417 * config/sh/superh.h (STARTFILE_SPEC): Override.
5418 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5419 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5420 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5422 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5423 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5424 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5426 * sh.opt (mpretend-cmove): New option.
5427 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5428 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5429 (movsicc): Add TARGET_PRETEND_CMOVE code.
5431 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5433 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5434 s390_class_max_nregs): New function prototypes.
5435 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5436 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5437 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5438 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5440 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5442 * dwarf2out.c (add_location_or_const_value_attribute): Call
5443 tree_add_const_value_attribute if nothing else works.
5444 (reference_to_unused): New.
5445 (rtl_for_decl_init): Use reference_to_unused to decide whether
5446 to output an initializer.
5448 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5450 PR target/26459
5451 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5452 peephole removing spe frob_di_df_2.
5454 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5456 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5457 (subscript_dependence_tester_1): Declared.
5458 (print_dir_vectors, print_dist_vectors): New.
5459 (debug_data_dependence_relation): New.
5460 (dump_data_dependence_relation): Print more details.
5461 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5462 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5463 (save_dist_v, save_dir_v, add_outer_distances,
5464 build_classic_dist_vector_1): New.
5465 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5466 Don't test for lambda_vector_lexico_pos.
5467 (same_access_functions, add_multivariate_self_dist,
5468 add_other_self_distances, dir_from_dist): New.
5469 (build_classic_dir_vector): Replace implementation almost identical to
5470 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5471 dir_from_dist.
5472 (subscript_dependence_tester_1): New.
5473 (subscript_dependence_tester): Handle the lexicographically negative
5474 distance vectors by recomputing the dependence relation.
5475 (compute_affine_dependence): Remove parameter loop_nest_depth.
5476 (compute_self_dependence): Don't call compute_subscript_distance.
5477 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5478 Add a parameter for the loop_nest.
5479 (find_loop_nest_1, find_loop_nest): New.
5480 (compute_data_dependences_for_loop): Compute the loop nest, and give
5481 up if the nest is not well formed.
5482 * tree-data-ref.h (loop_p): New.
5483 (struct data_dependence_relation): Replace size_vect field with
5484 loop_nest, a vec of loops.
5485 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5486 (DDR_LOOP_NEST): New.
5487 (print_dir_vectors, print_dist_vectors,
5488 debug_data_dependence_relation): Declared.
5489 (index_in_loop_nest): New.
5490 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5491 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5492 distance.
5494 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5496 * simplify-rtx.c (simplify_relational_operation): Call
5497 simplify_relational_operation_1 even if mode is VOIDmode.
5499 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5501 PR tree-optimization/26804
5502 * tree.h (DECL_CALL_CLOBBERED): New macro.
5503 (tree_decl_common): Add call_clobbered_flag.
5504 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5505 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5506 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5507 (mark_non_addressable): Ditto.
5508 * tree-ssa.c (verify_call_clobbered): New function.
5509 (verify_alias_info): Use it.
5510 * tree-pass.h (pass_reset_cc_flags): New prototype.
5511 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5512 (reset_cc_flags): New function.
5513 * passes.c (init_optimization_passes): Call reset_cc_flags after
5514 initializing referenced_vars.
5516 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5517 Roger Sayle <roger@eyesopen.com>
5519 PR middle-end/26717
5520 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5521 to 1.0 for non-real operands. Implement A / A optimization for
5522 complex operands.
5524 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5526 * config/i386/i386.c (size_cost): Correct the comment for
5527 cost of storing fp registers.
5528 (i386_cost): Likewise.
5529 (i486_cost): Likewise.
5530 (pentium_cost): Likewise.
5531 (pentiumpro_cost): Likewise.
5532 (k6_cost): Likewise.
5533 (athlon_cost): Likewise.
5534 (k8_cost): Likewise.
5535 (pentium4_cost): Likewise.
5536 (nocona_cost): Likewise.
5537 (generic64_cost): Likewise.
5538 (generic32_cost): Likewise.
5540 2006-03-24 Denis Chertykov <denisc@overta.ru>
5542 * config/avr/avr-protos.h (extra_constraint): Delete.
5543 (extra_constraint_Q): New declaration.
5544 * config/avr/constraints.md: New file.
5545 * config/avr/avr.md: Include it.
5546 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5547 (TMP_REGNO, ZERO_REGNO): Likewise.
5548 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5549 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5550 (extra_constraint): Delete.
5551 (extra_constraint_Q): Test for memory constraint 'Q'.
5552 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5553 (REG_CLASS_FROM_LETTER): Delete.
5554 (CONST_OK_FOR_LETTER_P): Delete.
5555 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5556 (EXTRA_CONSTRAINT): Delete.
5557 (TMP_REGNO): Delete.
5558 (ZERO_REGNO): Delete.
5560 2006-03-24 Jeff Law <law@redhat.com>
5562 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5563 directly. Call mark_new_vars_to_rename slightly earlier.
5565 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5567 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5568 (is_cxx): Likewise.
5569 (gen_compile_unit_die): Use new language types for Objective-C and
5570 Objective-C++.
5571 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5572 DW_LANG_C_plus_plus.
5574 PR 26793
5575 * config/t-darwin (crt3.o): Work around bug 26840.
5576 * config/darwin-crt3.c: Rewrite.
5577 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5579 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5581 * doc/invoke.texi: Document -femit-class-debug-always
5582 * common.opt: Add -femit-class-debug-always.
5584 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5586 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5587 index and base register.
5588 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5589 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5590 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5591 REGNO_OK_FOR_INDEX_P.
5592 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5593 ADDR_REGNO_P.
5594 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5595 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5596 REG_OK_FOR_BASE_P): Definitions removed.
5598 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5600 PR middle-end/26611
5601 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5602 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5603 set yet or weren't marked as local yet.
5605 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5607 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5608 the compiler.
5610 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5612 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5613 (rs6000_legitimate_small_data_p): Delete.
5614 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5615 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5616 and make static. Add forward declaration. Update uses.
5617 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5618 of offsettable_memref_p.
5619 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5620 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5622 2006-03-24 Jeff Law <law@redhat.com>
5624 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5625 around bug in immediate-use iterator.
5627 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5629 PR target/26607
5630 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5631 or __LITTLE_ENDIAN__.
5633 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5635 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5636 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5637 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5638 * config/sh/sh.opt (mdiv=): Amend description.
5639 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5640 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5641 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5642 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5643 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5644 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5645 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5646 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5647 TARGET_DIVIDE_CALL_FP.
5649 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5651 * haifa-sched.c (choose_ready): Fix type of the local variable.
5652 Move local variables. Add comment.
5653 (check_reg_live): Change signature. Make callable from debugger.
5654 * sched-int.h (check_reg_live): Update signature.
5655 * sched-ebb.c (check_reg_live): Update parameters.
5656 * sched-rgn.c (check_reg_live): Ditto.
5657 (region_head_or_leaf_p): Check pointer before dereferencing.
5658 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5659 before reload on optimization levels below 1.
5661 2006-03-23 Richard Henderson <rth@redhat.com>
5663 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5664 tls symbols.
5666 PR target/26347
5667 * config/alpha/predicates.md (local_symbolic_operand): Reject
5668 weak symbols.
5670 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5672 PR tree-opt/26795
5673 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5674 expressions which have overflowed constants.
5676 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5678 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5680 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5682 * cfgloopmanip.c (create_loop_notes): Removed.
5683 * final.c (final_scan_insn): Do not handle loop notes.
5684 * jump.c (squeeze_notes): Ditto.
5685 * cfglayout.c (skip_insns_after_block,
5686 duplicate_insn_chain): Ditto.
5687 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5688 create_loop_notes.
5689 * cfgloop.h (create_loop_notes): Declaration removed.
5691 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5693 * varasm.c (output_constant_pool): Restore fnname and fndecl
5694 arguments.
5695 (assemble_start_function): Adjust call accordingly.
5696 (assemble_end_function): Likewise.
5698 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5700 PR mudflap/26789
5701 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5703 PR mudflap/26790
5704 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5706 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5708 PR driver/22600
5709 * system.h (ICE_EXIT_CODE): New macro.
5710 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5711 (diagnostic_action_after_output): Likewise.
5712 * gcc.c (fatal_ice): New function.
5713 (execute): Use it instead of fatal.
5714 (fancy_abort): Likewise.
5715 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5717 2006-03-22 Jeff Law <law@redhat.com>
5719 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5720 iv_analyze_result returning false.
5722 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5724 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5726 2006-03-22 Richard Henderson <rth@redhat.com>
5728 PR middle-end/26084
5729 * except.c (duplicate_eh_regions_0): New.
5730 (duplicate_eh_region_1): Duplicate the children of the node as
5731 well as the node itself. Link them up properly.
5732 (duplicate_eh_region_2): Merge into ...
5733 (duplicate_eh_regions): ... here. Take copy_region argument, and
5734 copy only a sub-tree if asked. Simplify copying and fixup.
5735 (eh_region_outer_p): New.
5736 * except.h (duplicate_eh_regions): Update decl.
5737 (eh_region_outer_p): Declare.
5738 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5739 (lower_omp_master): Likewise.
5740 (lower_omp_ordered): Likewise.
5741 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5742 (move_stmt_r): Use it to remap labels. Handle recursion vs
5743 remap_decls_p properly.
5744 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5745 (find_outermost_region_in_block): New.
5746 (new_label_mapper): New.
5747 (move_sese_region_to_fn): Copy eh information to the new function
5748 properly.
5749 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5750 argument.
5751 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5752 number.
5754 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5756 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5757 into shared libraries.
5759 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5761 * doc/md.texi: Refer to i386/constraints.md instead of
5762 i386/predicates.md.
5763 * config/i386/constraints.md: New file, extracted from...
5764 * config/i386/predicates.md: ...here.
5765 * config/i386/i386.md: Include constraints.md.
5767 2006-03-21 Jason Merrill <jason@redhat.com>
5769 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5771 PR middle-end/20297
5772 * expr.c (init_block_move_fn): Force default visibility.
5773 (init_block_clear_fn): Likewise.
5774 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5775 * targhooks.c (default_external_stack_protect_fail): Likewise.
5777 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5779 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5780 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5781 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5782 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5783 (loadgp): Use mips_current_loadgp_style.
5784 (loadgp_noshared): New pattern.
5785 (sibcall_internal): Use MIPS_CALL.
5786 (sibcall_value_internal): Likewise.
5787 (sibcall_value_multiple_internal): Likewise.
5788 (call_internal): Likewise.
5789 (call_value_internal): Likewise.
5790 (call_value_multiple_internal): Likewise.
5791 (call_split): Use MIPS_CALL and add an 'S' constraint.
5792 (call_value_split): Likewise.
5793 (call_value_multiple_split): Likewise.
5794 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5795 (-mshared): New option.
5796 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5797 (mips_current_loadgp_style): Declare.
5798 * config/mips/mips.c (mips_classify_symbol): Avoid using
5799 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5800 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5801 TARGET_ABSOLUTE_ABICALLS.
5802 (override_options): Adjust comments. Improve the warning that is
5803 issued when -mabicalls and -G are used together.
5804 (mips_file_start): Remove comment.
5805 (mips_current_loadgp_style): New function.
5806 (mips_gnu_local_gp): New variable.
5807 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5808 LOADGP_ABSOLUTE.
5809 (mips_output_function_prologue): Use mips_current_laodgp_style.
5810 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5811 the cprestore instruction.
5812 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5813 live for TARGET_ABSOLUTE_ABICALLS.
5814 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5815 (ASM_SPEC): Pass down -mshared and -mno-shared.
5816 (MIPS_CALL): New macro.
5817 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5818 definition.
5819 * doc/invoke.texi (-mabicalls): Update documentation.
5820 (-mshared): Document.
5822 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5824 * config/ia64/unwind-hpux.c: New file.
5825 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5827 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5829 PR libgomp/26384
5830 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5832 2006-03-21 Jeff Law <law@redhat.com>
5834 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5835 type conversions of a VR_VARYING source to a wider type.
5837 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5839 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5840 tm_file on Solaris 10 and later.
5841 (sparc64-*-solaris2*): Likewise.
5842 (sparc-*-solaris2*): Likewise.
5843 * config/sol26.h: Rename to config/sol2-6.h.
5844 * config/sol2-10.h: New file.
5846 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5848 PR tree-opt/26781
5849 * tree-ssa-pre.c (create_component_ref_by_pieces):
5850 Handle STRING_CST.
5852 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5854 PR c++/26690
5855 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5856 return it immediately.
5858 2006-03-21 Michael Matz <matz@suse.de>
5860 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5861 New members.
5862 (remove_arc, add_arc): Update num_out_arcs member.
5863 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5864 of out arcs.
5865 (cache_presence): New function.
5866 (compare_states_for_equiv): New function.
5867 (state_is_differed): Don't take number of outargs, adjust callers.
5868 Use new invariant for speeding up.
5869 (init_equiv_class): Create initial classes based on sorted
5870 input.
5871 (partition_equiv_class): Don't track out_arcs_num.
5872 (evaluate_equiv_classes): Call cache_presence on all states and
5873 sort them.
5875 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5877 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5878 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5879 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5880 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5881 callers changed.
5882 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5883 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5884 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5885 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5886 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5887 macros.
5888 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5889 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5890 (REGNO_REG_CLASS): ARGP is in PREGS.
5891 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5892 IREGS.
5893 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5894 to deal with those addresses.
5895 * addresses.h: New file.
5896 * caller-save.c: Include "addresses.h".
5897 (init_caller_save): Use new base_reg_class function.
5898 * rtl-factoring.c: Include "addresses.h".
5899 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5900 * recog.c: Include "addresses.h".
5901 (preprocess_constraints): Use new base_reg_class function.
5902 * regrename.c: Include "addresses.h".
5903 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5904 functions. Keep track of a new var INDEX_CODE to compute valid
5905 classes.
5906 (replace_oldest_value_addr): Likewise.
5907 (replace_oldest_value_mem): Use base_reg_class.
5908 * reload.c: Include "addresses.h".
5909 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5910 (find_reloads): Use new base_reg_class function.
5911 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5912 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5913 all callers and prototype changed.
5914 * reload1.c: Include "addresses.h".
5915 (maybe_fix_stack_asms): Use base_reg_class.
5916 * regclass.c: Include "addresses.h".
5917 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5918 (init_reg_autoinc): Use new base_reg_class function.
5919 (record_reg_classes): Likewise.
5920 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5921 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5922 Use new args to compute necessary class.
5924 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5925 regrename.o, rtl-factoring.o): Update dependencies.
5926 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5927 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5928 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5929 REG_OK_FOR_INDEX_P): Delete documentation.
5931 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5933 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5934 from V7 to V9 for Solaris 7 and above.
5936 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5938 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5939 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5940 argument pointers may not alias any other storage.
5941 * common.opt: Define option -fargument-noalias-anything.
5942 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5943 alias semantics is specified by flag_argument_noalias > 2.
5945 2006-03-20 Jeff Law <law@redhat.com>
5947 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5948 (pass_phi_only_cprop): Declare.
5949 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5950 with phi_only_cprop
5951 * tree-ssa-dom.c (degenerate_phi_result): New function.
5952 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5953 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5954 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5955 (eliminate_degenerate_phis): Likewise.
5956 (pass_phi_only_cprop): New pass descriptor.
5957 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5958 support code. Callers updated.
5959 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5960 (store_copy_prop): Likewise.
5961 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5963 2006-03-20 Jason Merrill <jason@redhat.com>
5965 PR c++/21764
5966 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5967 (push_visibility, pop_visibility): Likewise.
5968 * c-pragma.h: Declare them.
5970 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5972 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5974 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5975 parameter and use get_ebb_head_tail.
5976 (sh_md_init_global): Adjust uses of find_regmode_weight.
5978 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5980 * function.h (struct function) <x_tail_recursion_reentry>:
5981 Rename to x_stack_check_probe_note.
5982 (tail_recursion_reentry): Rename to stack_check_probe_note.
5983 * function.c: Replace tail_recursion_reentry with
5984 stack_check_probe_note everywhere.
5985 (expand_function_start): Only emit a note for
5986 stack_check_probe_note with -fstack-protect.
5987 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5989 * emit-rtl.c (remove_unnecessary_notes): Remove.
5990 (pass_remove_unnecessary_notes): Remove.
5991 * rtl.h (remove_unnecessary_notes): Remove prototype.
5992 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5993 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5994 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5996 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5998 PR tree-opt/26629
5999 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6000 (valid_in_set): Handle ARRAY_REF.
6001 Change "if min_variant or VH" to asserts.
6002 (create_component_ref_by_pieces): Handle ARRAY_REF.
6003 (create_expression_by_pieces): Likewise.
6004 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6006 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6008 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6009 is operand of switch, not str[0].
6011 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6013 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6014 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6016 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6018 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6019 end of insn_extra_address_constraint declaration.
6021 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6023 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6024 (no-sum-in-toc): Same.
6025 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6026 variables.
6027 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6028 NO_FP_IN_TOC for -fPIC instead of mask.
6030 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6031 (BOOT_LDFLAGS): Delete.
6032 (LDFLAGS): Delete.
6033 * config/rs6000/t-aix52: Same.
6035 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6036 (stmsi[345678]_power): New.
6038 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6040 * config/ia64/ia64.opt: Add empty line to end of file.
6042 2006-03-17 Richard Guenther <rguenther@suse.de>
6044 PR middle-end/26721
6045 * builtins.c (get_pointer_alignment): For component style references
6046 adjust alignment to the component type alignment. Make sure
6047 to adjust alignment for component access of constants.
6049 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6051 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6052 unconditional jump.
6054 2006-03-17 Paul Brook <paul@codesourcery.com>
6056 * doc/install.texi: Docuemnt --with-mode.
6057 * config.gcc: Add --with-mode for arm*-*-*.
6058 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6060 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6062 * sh.c (max_labelno_before_reorg): New variable.
6063 (sh_reorg): Initialize it.
6064 (find_barrier): Check max_labelno_before_reorg before using
6065 label_to_alignment. Take length of explicit alignment insns
6066 into account. When seeing a UNSPECV_CONST_END, return it.
6068 * sh.c (fixup_mova): Set mode of affected label to QImode.
6069 (untangle_mova): New function.
6070 (find_barrier): Use it. Check mode of label before decrementing
6071 num_mova.
6072 (sh_reorg): Likewise.
6073 Set mode of all insns back to VOIDmode.
6075 * sh.c (MOVA_LABELREF): New macro.
6076 (mova_p, fixup_mova, sh_reorg): Use it.
6077 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6078 ADDR_DIFF_VEC matches mova.
6080 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6082 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6083 with ATTRIBUTE_UNUSED.
6085 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6087 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6088 pointer, instead of assuming it is possible to derive the
6089 correct args size from a call insn.
6091 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6093 * rtl.h (CONST_INT_P): Define.
6094 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6095 instead of GET_CODE(x) == CONST_INT.
6096 (vax_rtx_costs): Likewise.
6097 (vax_output_int_move): Likewise.
6098 (vax_output_int_add): Likewise.
6099 (legitimate_constant_address_p): Likewise.
6100 (index_term_p): Likewise.
6101 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6102 * config/vax/vax.md (and<mode>3): Likewise.
6103 (ashrsi3): Likewise.
6104 (extv): Likewise.
6105 (movstricthi): Likewise.
6106 (movstrictqi): Likewise.
6107 (rotrsi3): Likewise.
6108 (five unnamed insns): Likewise.
6110 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6112 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6113 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6114 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6115 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6116 Pass to ASM_OUTPUT_DWARF_OFFSET.
6117 * dwarf2out.c (debug_frame_section): New.
6118 (output_call_frame_info): Use debug_frame_section. Pass it to
6119 dw2_asm_output_offset.
6120 (output_die): Pass appropriate section to dw2_asm_output_offset.
6121 (output_compilation_unit_header): Likewise.
6122 (output_pubnames): Likewise.
6123 (output_aranges): Likewise.
6124 (enum dw_val_class): Break dw_val_class_lbl_offset into
6125 dw_val_class_lineptr and dw_val_class_macptr.
6126 (add_AT_lbl_offset): Delete.
6127 (add_AT_lineptr): New.
6128 (add_AT_macptr): New.
6129 (AT_lbl): Expect a lineptr or macptr.
6130 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6131 (attr_checksum): Likewise.
6132 (same_dw_val_p): Likewise.
6133 (size_of_die): Likewise.
6134 (value_format): Likewise.
6135 (output_die): Likewise.
6136 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6137 add_AT_lbl_offset.
6138 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6139 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6140 * config/darwin-protos.h (darwin_file_start): New.
6141 (darwin_asm_output_dwarf_offset): New.
6142 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6143 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6144 darwin_file_start.
6145 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6146 if not EH section; simplify.
6147 (darwin_file_start): New.
6148 (darwin_asm_output_dwarf_offset): New.
6149 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6150 mark as 'debug'.
6151 (DEBUG_INFO_SECTION): Likewise.
6152 (DEBUG_ABBREV_SECTION): Likewise.
6153 (DEBUG_ARANGES_SECTION): Likewise.
6154 (DEBUG_MACINFO_SECTION): Likewise.
6155 (DEBUG_LINE_SECTION): Likewise.
6156 (DEBUG_LOC_SECTION): Likewise.
6157 (DEBUG_PUBNAMES_SECTION): Likewise.
6158 (DEBUG_STR_SECTION): Likewise.
6159 (DEBUG_RANGES_SECTION): Likewise.
6160 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6161 (ASM_OUTPUT_DWARF_OFFSET): New.
6163 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6165 * config.gcc (tm_defines): Always add to previous value rather
6166 than replacing it.
6168 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6170 * config/mips/predicates.md (splittable_const_int_operand): New,
6171 split from move_operand.
6172 (splittable_symbolic_operand): New.
6173 (move_operand): Add commentary. Use splittable_const_int_operand.
6174 Inline mips_atomic_symbolic_constant_p.
6175 * config/mips/mips.md: Add combine splitters for handling moves
6176 of splittable_const_int_operands and splittable_symbolic_operands.
6177 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6178 (mips_split_symbol): Declare.
6179 (mips_move_integer): Declare.
6180 * config/mips/mips.c (mips_split_p): Make global.
6181 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6182 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6183 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6184 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6185 (mips_offset_within_object_p): Handle block symbols.
6186 (mips_atomic_symbolic_constant_p): Delete.
6187 (mips_cannot_force_const_mem): Return false for constants that
6188 mips_legitimize_move can handle.
6189 (mips_use_blocks_for_constant_p): New function.
6190 (mips_split_symbol): Make global.
6191 (mips_move_integer): Likewise. Add a temporary register argument.
6192 (mips_legitimize_const_move): Use splittable_const_int_operand and
6193 splittable_symbolic_operand.
6194 (mips_use_anchors_for_symbol_p): New function.
6195 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6196 (mips_split_p): Declare.
6198 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6200 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6201 (mips*-*-linux*): Likewise.
6203 2006-03-16 Roger Sayle <roger@eyesopen.com>
6204 Daniel Speyer <dspeyer@wam.umd.edu>
6206 PR middle-end/18259
6207 * tree-dump.c (dump_real): New function.
6208 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6209 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6210 (tree-dump.o): Add $(REAL_H) to the dependencies.
6212 2006-03-16 Roger Sayle <roger@eyesopen.com>
6214 PR middle-end/21781
6215 * real.c (real_from_string): If the mantissa is zero, don't bother
6216 parsing the exponent as the result should always be zero.
6218 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6220 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6222 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6224 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6225 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6226 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6227 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6228 ia64_sched_finish_global): New static functions to implement
6229 hooks from gcc_target.sched.
6230 (spec_check_no, max_uid, pending_data_specs): New static variables.
6231 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6232 ia64_spec_check_src_p): New static functions.
6233 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6234 (TARGET_SCHED_ADJUST_COST): Removed.
6235 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6236 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6237 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6238 TARGET_SCHED_GEN_CHECK,
6239 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6240 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6241 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6242 Fixed to handle speculation checks.
6243 (rtx_needs_barrier): Fixed to handle speculative loads and
6244 their checks.
6245 (ia64_variable_issue): Added code to count speculative loads and their
6246 checks.
6247 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6248 speculative loads.
6249 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6250 New enumerations.
6251 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6252 New constants.
6253 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6254 (ia64_reorg): Reset stops_p to NULL after it is freed.
6255 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6256 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6257 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6258 chk_a.
6259 (data_speculative, control_speculative, check_load): New attributes.
6260 (mov<mode>_advanced, mov<mode>_speculative,
6261 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6262 zero_extend<mode>di2_speculative,
6263 zero_extend<mode>di2_speculative_advanced): New patterns for
6264 data and control speculative loads.
6265 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6266 check loads.
6267 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6268 New pattern for data and control speculation checks.
6269 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6270 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6271 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6272 Auxiliary definitions for the patterns.
6273 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6274 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6275 constraints.
6276 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6277 for speculation.
6278 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6279 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6280 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6281 New resource constraints.
6282 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6283 for speculation.
6284 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6285 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6286 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6287 msched-in-control-spec, msched-ldc, msched-control-ldc,
6288 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6289 msched-prefer-non-control-spec-insns,
6290 msched-count-spec-in-critical-path): New flags to tune speculative
6291 scheduling.
6292 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6293 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6294 msched-in-control-spec, msched-ldc, msched-control-ldc,
6295 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6296 msched-prefer-non-control-spec-insns,
6297 msched-count-spec-in-critical-path): Document new flags.
6299 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6301 * target.h (struct spec_info_def): New opaque declaration.
6302 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6303 speculate_insn, needs_block_p, gen_check,
6304 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6305 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6306 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6307 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6308 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6309 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6310 gcc_target.sched.
6311 (TARGET_SCHED): Use new macros.
6312 * rtl.h (copy_DEPS_LIST_list): New prototype.
6313 * sched-int.h (struct sched_info): Change signature of new_ready field,
6314 adjust all initializations. New fields: add_remove_insn,
6315 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6316 region_head_or_leaf_p.
6317 (struct spec_info_def): New structure declaration.
6318 (spec_info_t): New typedef.
6319 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6320 recovery_block, orig_pat.
6321 (glat_start, glat_end): New variables declaraions.
6322 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6323 New access macros.
6324 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6325 DETACH_LIFE_INFO, USE_GLAT.
6326 (enum SPEC_SCHED_FLAGS): New enumeration.
6327 (NOTE_NOTE_BB_P): New macro.
6328 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6329 attach_life_info, debug_spec_status, check_reg_live): New functions.
6330 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6331 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6332 sched-ebb.c
6333 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6334 * ddg.c (get_block_head_tail): Adjust all uses.
6335 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6336 (sms_sched_info): Initialize new fields.
6337 (contributes_to_priority): Removed.
6338 * haifa-sched.c (params.h): New include.
6339 (get_block_head_tail): Adjust all uses.
6340 (ISSUE_POINTS): New macro.
6341 (glat_start, glat_end): New global variables.
6342 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6343 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6344 old_last_basic_block, before_recovery, current_sched_info_var,
6345 rgn_n_insns, luid): New static variables.
6346 (insn_cost1): New function. Move logic from insn_cost to here.
6347 (find_insn_reg_weight1): New function. Move logic from
6348 find_insn_reg_weight to here.
6349 (reemit_notes, move_insn, max_issue): Change signature.
6350 (move_insn1): Removed.
6351 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6352 extend_bb): New static functions to support extension of scheduler's
6353 data structures.
6354 (generate_recovery_code, process_insn_depend_be_in_spec,
6355 begin_speculative_block, add_to_speculative_block,
6356 init_before_recovery, create_recovery_block, create_check_block_twin,
6357 fix_recovery_deps): New static functions to support
6358 generation of recovery code.
6359 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6360 restore_bb_notes, move_block_after_check, move_succs): New static
6361 functions to support ebb scheduling.
6362 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6363 functions to support handling of register live information.
6364 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6365 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6366 add_jump_dependencies): New static functions.
6367 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6368 consistancy checking.
6369 (debug_spec_status): New function to call from debugger.
6370 (priority): Added code to handle speculation checks.
6371 (rank_for_schedule): Added code to distinguish speculative instructions.
6372 (schedule_insn): Added code to handle speculation checks.
6373 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6374 Fixed to handle ebbs.
6375 (move_insn): Added code to handle ebb scheduling.
6376 (max_issue): Added code to use ISSUE_POINTS of instructions.
6377 (choose_ready): Added code to choose between speculative and
6378 non-speculative instructions.
6379 (schedule_block): Added code to handle ebb scheduling and scheduling of
6380 speculative instructions.
6381 (sched_init): Initialize new variables.
6382 (sched_finish): Free new variables. Print statistics.
6383 (try_ready): Added code to handle speculative instructions.
6384 * lists.c (copy_DEPS_LIST_list): New function.
6385 * sched-deps.c (extend_dependency_caches): New function. Move logic
6386 from create_dependency_caches to here.
6387 (get_dep_weak, ds_merge): Make global.
6388 * genattr.c (main): Code to output prototype for
6389 dfa_clear_single_insn_cache.
6390 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6391 (output_dfa_clean_insn_cache_func): Code to output
6392 dfa_clear_single_insn_cache function.
6393 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6394 n_insns.
6395 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6396 Removed.
6397 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6398 New static variables.
6399 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6400 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6401 struct sched_info.
6402 (ebb_sched_info): Initialize new fields.
6403 (get_block_head_tail): Adjust all uses.
6404 (compute_jump_reg_dependencies): Fixed to use glat_start.
6405 (schedule_ebb): Code to remove unreachable last block.
6406 (schedule_ebbs): Added code to update register live information.
6407 * sched-rgn.c (region_sched_info): Initialize new fields.
6408 (get_block_head_tail): Adjust all uses.
6409 (last_was_jump): Removed. Adjust users.
6410 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6411 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6412 Implement new hooks.
6413 (check_dead_notes1): New static function.
6414 (struct region): New fields: dont_calc_deps, has_real_ebb.
6415 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6416 (BB_TO_BLOCK): Fixed to handle EBBs.
6417 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6418 (ebb_head): New static variable.
6419 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6420 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6421 new fields.
6422 (compute_dom_prob_ps): New assertion.
6423 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6424 global_live_at_start.
6425 (init_ready_list): New assertions.
6426 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6427 (new_ready): Add support for BEGIN_CONTROL speculation.
6428 (schedule_insns): Fixed code that updates register live information
6429 to handle EBBs.
6430 (schedule_region): Fixed to handle EBBs.
6431 (init_regions): Use extend_regions and check_dead_notes1.
6432 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6433 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6434 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6435 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6436 TARGET_SCHED_GEN_CHECK,
6437 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6438 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6439 * doc/invoke.texi (max-sched-insn-conflict-delay,
6440 sched-spec-prob-cutoff): Document.
6442 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6444 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6445 inter_tick, queue_index.
6446 (struct sched_info): Change signature of init_ready_list field.
6447 Adjust all initializations.
6448 (RESOLVED_DEPS): New access macro.
6449 (ready_add): Remove prototype.
6450 (try_ready): Add prototype.
6451 * sched-rgn.c (init_ready_list): Use try_ready.
6452 (schedule_region): Initialize
6453 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6454 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6455 (init_ready_list): Use try_ready.
6456 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6457 * lists.c (remove_list_elem): Remove `static'.
6458 (remove_free_INSN_LIST_elem): New function.
6459 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6460 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6461 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6462 New constants.
6463 (readyp): New variable.
6464 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6465 change_queue_index, resolve_dep): New static functions.
6466 (try_ready): New function. Adjust callers in sched-rgn.c and
6467 sched-ebb.c to use it instead of ready_add.
6468 (clock_var): Move at the begining of file.
6469 (rank_for_schedule): Fix typo.
6470 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6471 (ready_lastpos): Enforce assertion.
6472 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6473 update all callers.
6474 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6475 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6476 (queue_to_ready): Use free_INSN_LIST_list.
6477 (early_queue_to_ready): Fix typo.
6478 (schedule_block): Init readyp. Move init_ready_list call after the
6479 initialization of clock_var. Fix error in rejecting insn by
6480 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6481 that previously corrected INSN_TICKs. Add code for handling
6482 QUEUE_INDEX.
6483 (set_priorities): Fix typo.
6484 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6485 Clarify comment and code that keeps current_sched_info->next_tail
6486 non-null.
6488 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6490 * sched-rgn.c (extend_rgns): New static function.
6491 (find_rgns): Use it.
6492 (gather_region_statistics, print_region_statistics): New static
6493 functions.
6494 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6495 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6497 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6498 Andrey Belevantsev <abel@ispras.ru>
6500 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6501 * lists.c (unused_deps_list): New variable.
6502 (free_list): Add assertions to verify the proper distinguishing
6503 between INSN_LISTs and DEPS_LISTs.
6504 (find_list_elem, remove_list_elem, remove_list_node): New static
6505 functions.
6506 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6507 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6508 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6509 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6510 an INSN_LIST.
6511 (free_INSN_LIST_node): Likewise.
6512 * modulo-sched.c (current_sched_info): Initialize flags field.
6513 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6514 * rtl.def (DEPS_LIST): Define.
6515 * rtl.h: Declare new functions from lists.c.
6516 * sched-deps.c (spec_dependency_cache): New static variable.
6517 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6518 (add_dependence): Change return type to void. Move the logic to ...
6519 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6520 (delete_all_dependences): Add comment about forward_dependency_cache.
6521 Handle spec_dependency_cache. Handle DEPS_LISTs.
6522 (fixup_sched_groups): Clarify the change of priority of output
6523 and anti dependencies.
6524 (sched_analyze_2): Adjust add_dependence calls to create data
6525 speculative dependence.
6526 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6527 Adjust all callers. Handle DEPS_LISTS.
6528 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6529 presence of speculation.
6530 (init_dependency_caches, free_dependency_caches):
6531 Handle spec_dependency_cache.
6532 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6533 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6534 New static functions.
6535 (add_or_update_back_dep, add_or_update_back_forw_dep,
6536 add_back_forw_dep, delete_back_forw_dep): New functions.
6537 * sched-int.h (ds_t, dw_t): New typedefs.
6538 (struct sched_info): Add new field flags.
6539 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6540 Prototype new sched-deps.c functions.
6541 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6542 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6543 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6544 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6545 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6546 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6547 New constants.
6548 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6549 New enums.
6550 * sched-rgn.c (current_sched_info): Initialize flags field.
6551 (schedule_insns): Initialize current_sched_info before the sched_init
6552 call.
6553 * sched-ebb.c (current_sched_info): Initialize flags field.
6554 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6555 Call add_or_update_back_dep instead of add_dependence.
6556 Create control speculative dependencies.
6557 (schedule_insns): Initialize current_sched_info before the sched_init
6558 call.
6560 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6562 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6563 fs->signal_frame.
6564 (sh_fallback_frame_state): Likewise.
6566 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6568 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6569 Do switch on default_use_cxa_atexit.
6570 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6571 * config/darwin-crt3.o: New.
6572 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6573 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6574 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6575 OS version.
6576 * config/rs6000/t-darwin: Move crt2.o building to here.
6577 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6578 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6579 of __cxa_atexit.
6581 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6583 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6584 from '! xxx' to '!xxx' for coding-style conformance.
6585 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6586 (EXTRA_CONSTRAINT): Likewise.
6587 * config/vax/vax.md (four unnamed insns): Likewise.
6589 2006-03-15 Paul Brook <paul@codesourcery.com>
6591 * config/arm/arm.c (minipool_pad): New.
6592 (add_minipool_forward_ref): Include pool alignment padding in address
6593 calculation.
6594 (push_minipool_fix): Set minipool_pad.
6595 (minipool_pad): Ditto.
6597 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6599 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6600 instead of GET_CODE() == MEM and REG_P() instead of
6601 GET_CODE() == REG.
6602 (print_operand_address): Likewise.
6603 (vax_address_cost): Likewise.
6604 (vax_rtx_costs): Likewise.
6605 (vax_notice_update_cc): Likewise.
6606 (vax_output_int_add): Likewise.
6607 (INDEX_REGISTER_P): Likewise.
6608 (BASE_REGISTER_P): Likewise.
6609 (nonindexed_address_p): Likewise.
6610 (vax_mode_dependent_address_p): Likewise.
6611 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6612 (PRINT_OPERAND): Likewise.
6613 * config/vax/vax.md (ashlsi3): Likewise.
6614 (ashlsi3): Likewise.
6615 (some more unnamed insns): Likewise.
6617 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6619 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6620 iterator-style macro.
6621 (mark_control_dependent_edges_necessary): Update the use of
6622 EXECUTE_IF_CONTROL_DEPENDENT.
6624 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6626 * config/sh/predicates.md (cache_address_operand): Special.
6627 (ua_address_operand): Likewise.
6629 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6631 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6632 loop notes.
6633 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6635 2006-03-15 Andreas Schwab <schwab@suse.de>
6637 * gensupport.c (identify_predicable_attribute): Don't free p_false
6638 when it is still in use.
6640 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6642 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6643 the default setting here.
6645 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6647 * tree-pass.h (pass_cfg): Remove.
6648 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6649 * passes.c (pass_cfg): Don't run it.
6651 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6653 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6654 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6655 VEC(char,heap) *.
6656 (stack_regs_mentioned): Update the uses of
6657 stack_regs_mentioned_data. Don't access the array beyond its
6658 end.
6659 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6660 Don't include gt-reg-stack.h.
6662 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6663 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6665 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6667 PR middle-end/26684
6668 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6669 STACK_REGS.
6671 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6673 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6675 2006-03-14 Richard Guenther <rguenther@suse.de>
6677 PR tree-optimization/26672
6678 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6679 SSA form.
6681 2006-03-14 Richard Guenther <rguenther@suse.de>
6683 PR tree-optimization/26667
6684 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6685 node for the callees. Always allow inlining if it will shrink
6686 the function size.
6688 2006-03-14 Richard Guenther <rguenther@suse.de>
6690 PR middle-end/26659
6691 * builtins.c (get_pointer_alignment): Prefer alignment
6692 information from decls over that from types.
6694 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6696 PR target/26657
6697 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6699 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6701 * config/rs6000/rs6000.opt (mdlmzb): New option.
6702 (msched-prolog, msched-epilog): Use Var not Mask.
6703 * doc/invoke.texi (-mdlmzb): Document.
6704 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6705 MASK_SCHED_PROLOG.
6706 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6707 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6709 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6711 PR rtl-optimization/25739
6712 * bt-load.c (augment_live_range): Free tos pointer.
6714 * gensupport.c (identify_predicable_attribute): Free
6715 p_false pointer.
6716 * gcov.c (create_file_names): Free name pointer.
6718 2006-03-13 Roger Sayle <roger@eyesopen.com>
6720 PR middle-end/26557
6721 * stmt.c (emit_case_nodes): Handle the case where the index is a
6722 CONST_INT, where the comparison mode is specified by the index type.
6724 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6726 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6727 is defined.
6729 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6731 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6732 (*branch_fp_inverted): Likewise.
6734 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6736 PR middle-end/25989
6737 * omp-low.c (expand_omp_for_generic): Mark istart0
6738 and iend0 as addressable.
6740 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6742 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6744 2006-03-13 Jeff Law <law@redhat.com>
6746 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6747 virtual operands are interesting.
6748 (vrp_visit_stmt): Corresponding changes.
6750 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6752 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6753 of RETS.
6754 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6755 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6756 * config/bfin/crti.S: Use it instead of __PIC__.
6757 * config/bfin/crtn.S: Likewise.
6759 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6760 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6761 not if flag_pic.
6762 Lose 'G' modifier for call operand.
6763 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6764 recognize 'G' modifier.
6766 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6768 PR middle-end/18859
6769 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6770 * stmt.c (expand_case): Likewise.
6772 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6774 PR rtl-optimization/26254
6775 * loop-invariant.c (seq_insns_valid_p): New function.
6776 (move_invariant_reg): Only emit new code if it is valid.
6778 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6780 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6781 Removed.
6782 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6783 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6784 (commit_one_edge_insertion): Do not look for loop notes.
6786 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6788 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6789 flag_test_coverage out of loop.
6791 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6793 * final.c (shorten_branches): Remove outdated comment, and turn
6794 the if branch that guards it to continue.
6796 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6798 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6799 * cfgloop.h (struct loop): Remove unused fields.
6801 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6803 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6804 (-dL, -fdump-rtl-loop2): Update the dump file names
6806 * doc/invoke.texi: Update dump file names.
6808 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6810 * predict.c (estimate_probability): Remove.
6811 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6812 * basic-block.h (estimate_probability): Remove prototype.
6813 * passes.c (finish_optimization_passes): Dump branch prediction or
6814 profiling heuristics to the .profile tree dump.
6815 (init_optimization_passes): Unqueue pass_branch_prob.
6817 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6819 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6821 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6822 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6824 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6826 * function.h (frame_offset_overflow): Declare.
6827 * function.c (frame_offset_overflow): New function.
6828 (assign_stack_local_1): Call it to detect that the offset overflows.
6829 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6831 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6833 * config/sh/sh.c: Include alloc-pool.h.
6834 (label_ref_list_pool): New alloc pool.
6835 (label_ref_list_t): New type for lists of labels.
6836 (struct pool_node): Make wend a label_ref_list_t.
6837 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6838 references.
6839 (dump_table): Likewise.
6840 (sh_reorg): Set up the alloc pool before using add_constant and
6841 dump_table, and destroy it when finishing.
6843 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6845 * config/mips/mips.c: Remove redundant comment.
6847 2006-03-10 Jason Merrill <jason@redhat.com>
6849 PR c/26004
6850 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6851 the target was declared 'register'.
6853 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6855 * genpreds.c (write_insn_constraint_len): Change definition of
6856 insn_constraint_len to return size_t to match the declaration.
6858 2006-03-10 DJ Delorie <dj@redhat.com>
6860 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6861 start at zero.
6862 (m32c_expand_insv): Fix test for an AND mask.
6864 2006-03-10 Richard Guenther <rguenther@suse.de>
6866 PR middle-end/26565
6867 * builtins.c (get_pointer_alignment): Handle component
6868 references for field alignment.
6870 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6872 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6873 when building with libgloss.
6874 (sh*elf): Implement --without-fp option.
6875 (sh64-superh-linux*): Don't multilib.
6877 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6879 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6881 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6883 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6884 Set it when one of the replacement functions returned true.
6885 Return TODO_cleanup_cfg if cfgchanged is true.
6886 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6888 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6890 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6891 instead of gen_lowpart.
6893 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6895 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6896 interface.
6897 (mips_output_order_conditional_branch): Declare.
6898 * config/mips/mips.h (MIPS_BRANCH): New macro.
6899 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6900 for the comparison. Use gen_condjump.
6901 (mips_output_conditional_branch): Rework interface to take the
6902 asm templates for a direct branch and the inverse of a direct branch.
6903 (mips_output_order_conditional_branch): New function.
6904 (mips_builtin_branch_and_move): New function.
6905 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6906 branch condition. Use gen_single_cc as the condition for
6907 __builtin_mips_upper_* or __builtin_mips_lower_*.
6908 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6909 Use VOIDmode for the branch condition.
6910 * config/mips/predicates.md (order_operator): New predicate.
6911 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6912 (branch_fp): Rename to...
6913 (*branch_fp): ...this. Remove mode from comparison operator.
6914 Use new mips_output_conditional_branch interface.
6915 (branch_fp_inverted): Rename to...
6916 (*branch_fp_inverted): ...this and update as for *branch_fp.
6917 (*branch_zero<mode>): Rename to...
6918 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6919 Use mips_output_order_conditional_branch. Only accept ordered
6920 comparisons.
6921 (*branch_zero<mode>_inverted): Rename to...
6922 (*branch_order<mode>_inverted): ...this and update as for
6923 *branch_order<mode>.
6924 (*branch_equality<mode>): Accept zero as the second operand to
6925 the equality operator. Use the new mips_output_conditional_branch
6926 interface.
6927 (*branch_equality<mode>_inverted): Likewise.
6928 (condjump): New expander.
6929 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6930 operator.
6931 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6932 (bc1any2t, bc1any2f): Likewise.
6933 (single_cc): New expander.
6934 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6936 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6938 * doc/md.texi: Update documentation of MIPS constraints.
6939 * config/mips/constraints.md: New file.
6940 * config/mips/mips.md: Include it.
6941 * config/mips/mips.c (mips_char_to_class): Delete.
6942 (override_options): Don't initialize mips_char_to_class.
6943 * config/mips/mips.h (mips_char_to_class): Delete.
6944 (REG_CLASS_FROM_LETTER): Delete.
6945 (CONST_OK_FOR_LETTER_P): Delete.
6946 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6947 (EXTRA_CONSTRAINT_Y): Delete.
6948 (EXTRA_CONSTRAINT_STR): Delete.
6949 (CONSTRAINT_LEN): Delete.
6950 (EXTRA_MEMORY_CONSTRAINT): Delete.
6952 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6954 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6955 original fn's eh regions.
6957 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6959 * fold-const.c (build_range_check): Make sure to use a valid type to
6960 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6961 transformation.
6963 (range_predecessor): New static function.
6964 (range_successor): Likewise.
6965 (merge_ranges): Use them to compute predecessors and successors of
6966 range bounds.
6968 2006-03-09 Roger Sayle <roger@eyesopen.com>
6970 PR middle-end/26561
6971 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6972 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6974 2006-03-08 DJ Delorie <dj@redhat.com>
6976 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6977 (addpsi3): Expand to include memory operands. Remove
6978 reload-specific splits.
6979 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6980 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6981 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6982 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6983 (shift1_qi, shift1_hi, insv): New.
6984 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6985 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6986 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6987 cond_to_int): New.
6988 * config/m32c/m32c-protos.h: Update as needed.
6989 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6990 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6991 Fail for unrecognized R* constraints.
6992 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6993 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6994 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6995 Add Sp constraint.
6996 (m32c_init_libfuncs): New.
6997 (m32c_legitimate_address_p): Add debug wrapper.
6998 (m32c_rtx_costs): New.
6999 (m32c_address_cost): New.
7000 (conversions): Add 'B' prefix.
7001 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7002 operands, or word regnames for QI operands. 'B' prints bit
7003 position.
7004 (m32c_expand_setmemhi): New.
7005 (m32c_expand_movmemhi): New.
7006 (m32c_expand_movstr): New.
7007 (m32c_expand_cmpstr): New.
7008 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7009 (m32c_expand_neg_mulpsi3): Handle non-ints.
7010 (m32c_cmp_flg_0): New.
7011 (m32c_expand_movcc): New.
7012 (m32c_expand_insv): New.
7013 (m32c_scc_pattern): New.
7014 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7015 a0/a1 out of SIregs.
7016 (STORE_FLAG_VALUE): New.
7017 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7018 code macros.
7019 (no_insn): New.
7020 * config/m32c/mov.md: Make constraints more liberal.
7021 (zero_extendqihi2): Optimize r0/r1 case.
7022 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7023 * config/m32c/predicates.md (m32c_any_operand): New.
7024 (m32c_nonimmediate_operand): New.
7025 (m32c_hl_operand): New.
7026 (m32c_r3_operand): New.
7027 (ap_operand): New.
7028 (ma_operand): New.
7029 (memsym_operand): New.
7030 (memimmed_operand): New.
7031 (a_qi_operand): New.
7032 (m32c_eqne_operator): New.
7033 (m32c_1bit8_operand): New.
7034 (m32c_1bit16_operand): New.
7035 (m32c_1mask8_operand): New.
7036 (m32c_1mask16_operand): New.
7037 * config/m32c/blkmov.md: New file.
7038 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7040 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7042 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7043 unsigned to fix signed/unsigned comparison issue in
7044 DWARF2_FRAME_REG_OUT.
7045 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7046 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7048 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7049 of ptr into the ENABLE_CHECKING section.
7051 2006-03-08 Jeff Law <law@redhat.com>
7053 * tree-vrp.c (infer_value_range): Only count pointer uses
7054 and dereferences if -fdelete-null-pointer-checks is enabled.
7056 * tree-vrp.c (find_assert_locations): Infer value ranges for
7057 single use pointers, but do not create ASSERT_EXPRs for them.
7058 When a non-null range is inferred for a pointer, backwards
7059 propagate that range to other equivalent pointers through the
7060 use-def chain.
7062 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7064 PR bootstrap/26500
7065 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7066 language hook targets.
7067 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7068 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7069 if language hook targets were missing.
7071 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7073 * tree-ssa-opfinalize.h: Removed.
7074 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7075 dependency.
7076 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7077 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7078 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7079 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7080 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7081 finalize_ssa_v_must_def_ops): New.
7083 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7085 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7086 block as parameter.
7088 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7090 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7092 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7093 addresses with offsets; reorganize.
7095 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7096 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7097 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7099 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7101 PR target/26588
7102 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7104 2006-03-08 Ben Elliston <bje@au.ibm.com>
7106 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7108 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7110 PR gomp/26238
7111 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7112 expansion.
7114 2006-03-07 Richard Guenther <rguenther@suse.de>
7116 PR tree-optimization/26587
7117 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7119 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7121 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7123 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7125 * hooks.c (hook_bool_mode_rtx_true): New function.
7126 * hooks.h (hook_bool_mode_rtx_true): Declare.
7127 * toplev.c (compile_file): Call output_shared_constant_pool.
7128 * varasm.c (shared_constant_pool): New variable.
7129 (assemble_start_function, assemble_end_function): Remove arguments
7130 from call to output_constant_pool.
7131 (create_constant_pool): New function, split out from...
7132 (init_varasm_status): ...here.
7133 (force_const_mem): Choose between the shared and per-function constant
7134 pools. Set current_function_uses_const_pool when reusing old entries
7135 as well as when creating new ones.
7136 (mark_constant): Ignore data argument.
7137 (mark_constants): Remove pool argument.
7138 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7139 to decide whether the function uses a constant pool.
7140 (output_constant_pool_contents): New function, split out from...
7141 (output_constant_pool): ...here.
7142 (output_shared_constant_pool): New function.
7143 (init_varasm_once): Initialize shared_constant_pool.
7144 * output.h (output_constant_pool): Delete.
7145 (output_shared_constant_pool): Declare.
7146 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7147 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7149 2006-03-06 Nick Clifton <nickc@redhat.com>
7151 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7152 flag_strength_reduce.
7154 2006-03-06 Ben Elliston <bje@au.ibm.com>
7156 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7157 x86_64-*-linux* configurations.
7159 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7160 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7162 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7164 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7165 Remove.
7166 * basic-block.h: Remove the extern for
7167 rediscover_loops_after_threading.
7169 * cfgloop.c (cancel_loop): Make it static.
7170 * cfgloop.h: Remove the prototype for cancel_loop.
7172 * flow.c (recompute_reg_usage): Make it static.
7173 * rtl.h: Remove the prototype for recompute_reg_usage.
7175 * function.c (use_return_register): Make it static.
7176 * function.h: Remove the prototype.
7178 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7180 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7181 Remove.
7182 * recog.h: Remove the prototype for
7183 validate_change_maybe_volatile.
7185 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7187 * rtlanal.c (replace_reg): Remove.
7188 * rtl.h: Remove the prototype for replace_reg.
7190 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7192 * regclass.c (reg_scan_update): Remove.
7193 (reg_scan_mark_refs): Remove the last argument.
7194 * rtl.h: Remove the prototype for reg_scan_update.
7196 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7198 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7199 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7200 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7201 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7202 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7203 loop-invariant.c, omp-low.c, opts.c, passes.c,
7204 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7205 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7206 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7207 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7208 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7209 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7211 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7213 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7214 * dwarf2out.h: Remove the prototype for
7215 dwarf2out_add_library_unit_info.
7217 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7219 * tree.c (add_var_to_bind_expr): Remove.
7220 * tree.h: Remove the prototype for add_var_to_bind_expr.
7222 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7224 * regclass.c (n_non_fixed_regs): Remove.
7225 (init_reg_sets_1, globalize_reg): Remove all uses of
7226 n_non_fixed_regs.
7227 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7229 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7231 * rtlanal.c (insns_safe_to_move_p): Remove.
7232 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7234 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7236 * expmed.c (expand_mult_add): Remove.
7237 * expr.h: Remove the prototype for expand_mult_add.
7239 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7241 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7242 and REG_SAVED_VAL_EXP constants.
7243 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7244 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7245 Handle regs stored by value.
7246 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7247 (execute_cfa_program): Handle DW_CFA_val_offset,
7248 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7249 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7250 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7251 (uw_install_context_1): Handle target regs stored by value.
7253 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7255 * tree-sra.c (tree_sra): Return todoflags;
7256 (generate_one_element): Set TODO_update_smt_usage if needed.
7257 (pass_sra): Remove TODO_update_smt_usage.
7258 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7259 parameter.
7260 (tree_ssa_forward_propagate_single_use_vars): Return
7261 TODO_update_smt_usage if we need to update SMT usage.
7262 (pass_forwprop): Remove TODO_update_smt_usage.
7264 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7266 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7267 (correct_use_link): Remove reference to get_stmt_operands.
7268 (update_stmt_operands): Likewise.
7269 (get_modify_expr_operands): New function factored out of
7270 parse_ssa_operands and get_expr_operands.
7271 Try to create V_MUST_DEFs for LHS by default.
7272 (get_expr_operands) <case MODIFY_EXPR>: Call
7273 get_modify_expr_operands.
7274 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7275 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7276 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7277 get_modify_expr_operands.
7279 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7281 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7282 * tree-flow.h: Remove the prototype for
7283 referenced_var_lookup_if_exists.
7285 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7287 PR rtl-optimization/26345
7288 PR target/19061
7289 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7291 2006-03-03 Roger Sayle <roger@eyesopen.com>
7293 PR tree-optimization/26524
7294 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7295 fold_convert to create a constant of the appropriate type.
7297 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7299 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7300 SYMBOL_REF_IN_BLOCK_P.
7301 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7302 of SYMBOL_FLAG_IN_BLOCK.
7303 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7304 instead of SYMBOL_REF_IN_BLOCK_P.
7305 * explow.c (use_anchored_address): Likewise.
7306 * rtl.c (rtx_size): Likewise.
7307 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7308 instead of SYMBOL_FLAG_IN_BLOCK.
7309 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7310 SYMBOL_REF_IN_BLOCK_P.
7311 (assemble_variable): Likewise.
7312 (output_constant_def_contents): Likewise.
7313 (output_constant_pool): Likewise.
7314 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7315 instead of SYMBOL_FLAG_IN_BLOCK.
7316 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7317 SYMBOL_REF_IN_BLOCK_P.
7318 (SYMBOL_REF_BLOCK): Likewise.
7319 (SYMBOL_REF_OFFSET): Likewise.
7320 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7321 SYMBOL_REF_IN_BLOCK_P.
7322 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7323 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7324 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7325 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7327 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7329 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7331 2006-03-02 Roger Sayle <roger@eyesopen.com>
7333 * simplify-rtx.c (simplify_unary_operation): When simplifying
7334 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7335 that we perform the right shift in the appropriate mode, and
7336 then extend or truncate the result to requested mode.
7338 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7340 * gengtype.c (main): Handle double_int type.
7341 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7342 * double-int.c: New file.
7343 * double-int.h: New file.
7344 * system.h: Include doubleint.h.
7345 * Makefile.in (SYSTEM_H): Include double-int.h.
7346 (double-int.o): Add.
7348 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7350 PR bootstrap/26478
7351 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7352 copying over it.
7354 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7356 * tree-vrp.c (remove_range_assertions): Do not update statements
7357 unnecessarily.
7359 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7361 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7362 cleanup.
7363 * gcse.c (rest_of_handle_gcse): Ditto.
7364 * except.c (gate_handle_eh): Ditto.
7365 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7366 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7368 2006-03-02 Eric Christopher <echristo@apple.com>
7370 * config/i386/i386.c (machopic_output_stub): Add indirection to
7371 jump.
7373 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7375 * loop.c: Removed.
7377 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7379 Sun Niagara specific optimizations.
7380 * config.gcc: Recognize niagara as target.
7381 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7382 (TARGET_CPU_niagara): Define.
7383 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7384 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7385 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7386 (ASM_CPU_SPEC): Likewise.
7387 (PROCESSOR_NIAGARA): New enum entry.
7388 (REGISTER_MOVE_COST): Handle Niagara.
7389 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7390 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7391 (sparc_override_options): Recognize "niagara", set appropriate
7392 default MASK_* values for it, and align functions to 32-bytes
7393 by default just like ULTRASPARC/ULTRASPARC3.
7394 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7395 (sparc64_initialize_trampoline): Likewise.
7396 (sparc_use_sched_lookahead): Use zero for niagara.
7397 (sparc_issue_rate): Use one for niagara.
7398 * config/sparc/niagara.md: New file.
7399 * config/sparc/sparc.md: Include it.
7400 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7401 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7402 when default cpu is niagara.
7403 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7404 (ASM_CPU_SPEC): Likewise.
7405 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7406 when default cpu is niagara.
7407 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7408 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7409 just like v9/ultrasparc/ultrasparc3.
7410 * doc/invoke.texi: Add documentation for "niagara" and improve
7411 existing documentation for ultrasparc variants.
7413 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7415 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7417 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7419 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7420 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7421 and say that only one is needed.
7422 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7423 * target.h (have_switchable_bss_sections): New hook.
7424 * explow.c (use_anchored_address): Check that the symbol is in a block.
7425 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7426 (bss_noswitch_section): New variables.
7427 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7428 (get_noswitch_section): New function.
7429 (get_block_for_section): Allow SECT to be null.
7430 (unlikely_text_section_p): Use SECTION_STYLE.
7431 (bss_initializer_p): New function.
7432 (get_variable_section): Move earlier in file. Take a new argument,
7433 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7434 Return one of the new *_sections in such cases.
7435 (get_block_for_decl): New function, extracting some logic from
7436 use_blocks_for_decl_p.
7437 (change_symbol_section): Remove in favor of...
7438 (change_symbol_block): ...this new function.
7439 (use_blocks_for_decl_p): Remove checks now performed by
7440 get_block_for_decl.
7441 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7442 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7443 (emit_local, emit_bss, emit_common): ...these new functions.
7444 Return true if the alignment was honored.
7445 (emit_tls_common): New function.
7446 (asm_emit_uninitialised): Delete.
7447 (assemble_variable_noswitch): New function, split out from...
7448 (assemble_variable): ...here. Don't make decisions about common
7449 variables here. Globalize all public decls that go into non-common
7450 sections. Check whether SYMBOL_REF_BLOCK is null.
7451 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7452 (output_constant_pool): Likewise.
7453 (init_varasm_once): Initialize the new section variables.
7454 (have_global_bss_p): New function.
7455 (categorize_decl_for_section): Use bss_initializer_p.
7456 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7457 (place_block_symbol): Assert that the symbol must be in a block.
7458 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7459 (TARGET_INITIALIZER): Include it.
7460 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7461 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7462 (SECTION_MACH_DEP): Bump by two.
7463 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7464 (unnamed_section): Mention SECTION_UNNAMED in comment.
7465 (named_section): Likewise SECTION_NAMED.
7466 (noswitch_section_callback): New type.
7467 (noswitch_section): New structure.
7468 (section): Add a noswitch_section alternative.
7469 (SECTION_STYLE): New macro.
7470 (tls_comm_section, comm_section, lcomm_section): Declare.
7471 (bss_noswitch_section, have_global_bss_p): Declare.
7472 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7473 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7474 Override.
7475 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7476 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7477 Override.
7479 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7481 * tree-vrp.c (execute_vrp): Return value.
7482 * regrename.c (rest_of_handle_regrename): Ditto.
7483 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7484 * tree-complex.c (tree_lower_complex): Ditto.
7485 (tree_lower_complex_O0): Ditto.
7486 * tracer.c (rest_of_handle_tracer): Ditto.
7487 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7488 * postreload.c (rest_of_handle_postreload): Ditto.
7489 * tree-tailcall.c (execute_tail_recursion): Ditto.
7490 (execute_tail_calls): Ditto.
7491 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7492 * tree.h (init_function_for_compilation): Ditto.
7493 * ipa-cp.c (ipcp_driver): Ditto.
7494 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7495 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7496 * final.c (compute_alignments): Ditto.
7497 (rest_of_handle_final): Ditto.
7498 (rest_of_handle_shorten_branches): Ditto.
7499 (rest_of_clean_state): Ditto.
7500 * omp-low.c (execute_expand_omp): Ditto.
7501 (execute_lower_omp): Ditto.
7502 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7503 * ipa-reference.c (static_execute): Ditto.
7504 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7505 * reorg.c (rest_of_handle_delay_slots): Ditto.
7506 (rest_of_handle_machine_reorg): Ditto.
7507 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7508 * flow.c (recompute_reg_usage): Ditto.
7509 (rest_of_handle_remove_death_notes): Ditto.
7510 (rest_of_handle_life): Ditto.
7511 (rest_of_handle_flow2): Ditto.
7512 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7513 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7514 (do_ssa_store_ccp): Ditto.
7515 (execute_fold_all_builtins): Ditto.
7516 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7517 * modulo-sched.c (rest_of_handle_sms): Ditto.
7518 * ipa-pure-const.c (static_execute): Ditto.
7519 * cse.c (rest_of_handle_cse): Ditto.
7520 (rest_of_handle_cse2): Ditto.
7521 * web.c (rest_of_handle_web): Ditto.
7522 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7523 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7524 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7525 * tree-nrv.c (tree_nrv): Ditto.
7526 (execute_return_slot_opt): Ditto.
7527 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7528 (create_structure_vars): Ditto.
7529 * loop-init.c (rtl_loop_init): Ditto.
7530 (rtl_loop_done): Ditto.
7531 (rtl_move_loop_invariants): Ditto.
7532 (rtl_unswitch): Ditto.
7533 (rtl_unroll_and_peel_loops): Ditto.
7534 (rtl_doloop): Ditto.
7535 * gimple-low.c (lower_function_body): Ditto.
7536 (mark_used_blocks): Ditto.
7537 * tree-ssa-sink.c (execute_sink_code): Ditto.
7538 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7539 (cgraph_early_inlining): Ditto.
7540 * global.c (rest_of_handle_global_alloc): Ditto.
7541 * jump.c (cleanup_barriers): Ditto.
7542 (purge_line_number_notes): Ditto.
7543 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7544 (rest_of_handle_if_after_reload): Ditto.
7545 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7546 (tree_ssa_loop_im): Ditto.
7547 (tree_ssa_loop_unswitch): Ditto.
7548 (tree_vectorize): Ditto.
7549 (tree_linear_transform): Ditto.
7550 (tree_ssa_loop_ivcanon): Ditto.
7551 (tree_ssa_empty_loop): Ditto.
7552 (tree_ssa_loop_bounds): Ditto.
7553 (tree_complete_unroll): Ditto.
7554 (tree_ssa_loop_prefetch): Ditto.
7555 (tree_ssa_loop_ivopts): Ditto.
7556 (tree_ssa_loop_done): Ditto.
7557 * predict.c (tree_estimate_probability): Ditto.
7558 * recog.c (split_all_insns_noflow): Ditto.
7559 (rest_of_handle_peephole2): Ditto.
7560 (rest_of_handle_split_all_insns): Ditto.
7561 * tree-eh.c (lower_eh_constructs): Ditto.
7562 * regmove.c (rest_of_handle_regmove): Ditto.
7563 (rest_of_handle_stack_adjustments): Ditto.
7564 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7565 * function.c (instantiate_virtual_regs): Ditto.
7566 (init_function_for_compilation): Ditto.
7567 (rest_of_handle_check_leaf_regs): Ditto.
7568 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7569 (rest_of_handle_gcse): Ditto.
7570 * ipa-type-escape.c (type_escape_execute): Ditto.
7571 * alias.c (rest_of_handle_cfg): Ditto.
7572 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7573 * profile.c (rest_of_handle_branch_prob): Ditto.
7574 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7575 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7576 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7577 * tree-dfa.c (find_referenced_vars): Ditto.
7578 * except.c (set_nothrow_function_flags): Ditto.
7579 (convert_to_eh_region_ranges): Ditto.
7580 (rest_of_handle_eh): Ditto.
7581 * emit-rtl.c (unshare_all_rtl): Ditto.
7582 (remove_unnecessary_notes): Ditto.
7583 * except.h (set_nothrow_function_flags): Ditto.
7584 (convert_to_eh_region_ranges): Ditto.
7585 * cfgexpand.c (tree_expand_cfg): Ditto.
7586 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7587 * tree-ssa-pre.c (do_pre): Ditto.
7588 (execute_fre): Ditto.
7589 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7590 (rest_of_handle_jump2): Ditto.
7591 * tree-sra.c (tree_sra): Ditto.
7592 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7593 (execute_mudflap_function_decls): Ditto.
7594 * tree-ssa-copy.c (do_copy_prop): Ditto.
7595 (do_store_copy_prop): Ditto.
7596 * ipa-prop.h (ipcp_driver): Ditto.
7597 * cfglayout.c (insn_locators_initialize): Ditto.
7598 * tree-ssa-forwprop.c
7599 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7600 * cfglayout.h (insn_locators_initialize): Ditto.
7601 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7602 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7603 (execute_late_warn_uninitialized): Ditto.
7604 * rtl.h (cleanup_barriers): Ditto.
7605 (split_all_insns_noflow): Ditto.
7606 (purge_line_number_notes): Ditto.
7607 (unshare_all_rtl): Ditto.
7608 (remove_unnecessary_notes): Ditto.
7609 (recompute_reg_usage): Ditto.
7610 (variable_tracking_main): Ditto.
7611 * integrate.c (emit_initial_value_sets): Ditto.
7612 * integrate.h (emit_initial_value_sets): Ditto.
7613 * tree-optimize.c (execute_free_datastructures): Ditto
7614 (execute_free_cfg_annotations): Ditto.
7615 (execute_fixup_cfg): Ditto.
7616 (execute_cleanup_cfg_pre_ipa): Ditto.
7617 (execute_cleanup_cfg_post_optimizing): Ditto.
7618 (execute_init_datastructures): Ditto.
7619 * tree-object-size.c (compute_object_sizes): Ditto.
7620 * combine.c (rest_of_handle_combine): Ditto.
7621 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7622 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7623 (rest_of_handle_reorder_blocks): Ditto.
7624 (rest_of_handle_partition_blocks): Ditto.
7625 * var-tracking.c (variable_tracking_main): Ditto.
7626 * tree-profile.c (tree_profiling): Ditto.
7627 * tree-vect-generic.c (expand_vector_operations): Ditto.
7628 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7629 * sched-rgn.c (rest_of_handle_sched): Ditto.
7630 (rest_of_handle_sched2): Ditto.
7631 * basic-block.h (free_bb_insn): Ditto.
7632 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7633 * tree-cfg.c (execute_build_cfg): Ditto.
7634 (remove_useless_stmts): Ditto.
7635 (split_critical_edges): Ditto.
7636 (execute_warn_function_return): Ditto.
7637 (execute_warn_function_noreturn): Ditto.
7638 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7639 * cfgrtl.c (free_bb_for_insn): Ditto.
7640 * passes.c (execute_one_pass): Run additional
7641 todos returned by execute function.
7642 * tree-pass.h (struct tree_opt_pass): Make execute
7643 return a value.
7645 2006-03-02 Richard Guenther <rguenther@suse.de>
7647 * tree-ssa-alias.c (find_used_portions): Consider taking
7648 the address as making the variable not write-only.
7650 2006-03-02 Nick Clifton <nickc@redhat.com>
7652 * config.gcc (default_use_cxa_atexit): Extend the description of
7653 this configure variable. Set its default value to "yes" for
7654 Linux, NetBSD and ELF targets on the assumption that they will
7655 use C libraries with the __cxa_atexit function.
7657 2006-03-02 Ben Elliston <bje@au.ibm.com>
7659 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7660 parameter as unused to suppress a build warning.
7662 2006-03-02 Ben Elliston <bje@au.ibm.com>
7664 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7665 config/dfp-bit.c.
7667 2006-03-01 Roger Sayle <roger@eyesopen.com>
7669 PR other/26489
7670 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7671 declared name, the weak reference name, and the typeof name.
7672 (__gthrw): Avoid expanding the declared name suffix.
7673 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7675 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7677 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7678 from DWARF 3.
7679 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7680 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7681 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7682 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7683 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7684 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7685 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7686 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7687 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7688 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7689 (DW_END_default, DW_END_big, DW_END_little): New.
7690 (DW_END_lo_user, DW_END_hi_user): Define.
7691 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7692 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7693 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7694 DW_LANG_D): New.
7696 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7698 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7699 Update all users.
7700 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7701 Update all users.
7702 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7703 Update all users.
7704 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7705 Update all users.
7706 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7707 to 'symbol_mem_tag'.
7708 Update all users.
7709 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7710 rename.
7712 2006-03-01 Roger Sayle <roger@eyesopen.com>
7714 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7716 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7718 PR target/25761
7719 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7720 MACHO_DYNAMIC_NO_PIC_P.
7721 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7723 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7725 PR target/26389
7726 * config/darwin-protos.h (darwin_asm_output_anchor):
7727 Declare.
7728 * config/darwin-sections.def (cstring_section):
7729 Add SECTION_MERGE to the flags.
7730 (literal4_section): Likewise.
7731 (literal8_section): Likewise.
7732 (objc_selector_refs_section): Likewise.
7733 (objc_cls_refs_section): Likewise.
7734 * config/darwin.c (darwin_asm_output_anchor): New
7735 function.
7736 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7738 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7740 Fix PR tree-optimization/26443
7741 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7742 to todo and PROP_tmt_usage to properties_destroyed.
7743 * tree-ssa-ccp.c (pass_ccp): Ditto.
7744 (pass_store_ccp): Ditto.
7745 * tree-ssa-dom.c (pass_dominator): Ditto.
7747 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7749 * tree-ssa-operands.c: Cleanup whitespace.
7750 (get_asm_expr_operands): Move before first invocation.
7751 (get_indirect_ref_operands): Likewise.
7752 (get_tmr_operands): Likewise.
7753 (get_call_expr_operands): Likewise.
7754 (append_def): Likewise.
7755 (append_use): Likewise.
7756 (append_v_may_def): Likewise.
7757 (append_v_must_def): Likewise.
7758 (add_call_clobber_ops): Likewise.
7759 (add_call_read_ops): Likewise.
7760 (add_stmt_operand): Likewise.
7761 (add_virtual_operand): Likewise.
7762 (build_ssa_operands): Likewise.
7764 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7766 PR middle-end/26022
7767 Revert:
7768 PR middle-end/24437
7769 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7770 with a call expr to ...
7771 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7773 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7775 * tree-vrp.c (extract_range_from_assert): Remove special
7776 handling for types with super-types.
7778 2006-03-01 Ben Elliston <bje@au.ibm.com>
7780 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7781 and powerpc64-*-linux* configurations.
7782 * config/t-dfprules: New file.
7784 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7785 Compile dfp-bit.c from the source directory using -DWIDTH and
7786 $DFP_CFLAGS to control the compilation of that file, rather than
7787 generating width-specific versions in the build directory.
7788 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7789 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7791 2006-02-28 Zack Weinberg <zackw@panix.com>
7793 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7794 continues to work.
7796 2006-02-28 Eric Christopher <echristo@apple.com>
7798 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7799 Set up IN_LIBGCC definition of TARGET_64BIT.
7800 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7802 2006-02-28 Roger Sayle <roger@eyesopen.com>
7804 PR middle-end/14752
7805 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7806 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7807 cases via the construction of "expr != 0".
7809 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7811 * alias.c (alias_invariant, alias_invariant_size): Remove.
7812 (record_base_value): Remove.
7813 (memrefs_conflict_p): Don't look at alias_invariant.
7814 (end_alias_analysis): Don't free it.
7815 * alias.h (record_base_value): Remove prototype.
7817 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7818 Adam Nemet <anemet@caviumnetworks.com>
7820 * rtl.h (truncated_to_mode): Declare it.
7821 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7822 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7823 (RTL_HOOKS_INITIALIZER): Include it.
7824 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7825 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7826 reg_truncated_to_mode.
7827 * rtlanal.c (truncated_to_mode): Define it.
7828 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7830 2006-02-28 Jeff Law <law@redhat.com>
7832 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7833 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7834 the range allowed by TYPE_PRECISION.
7836 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7838 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7840 PR tree-optimization/26419
7841 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7842 values of n.
7844 2006-02-27 Zack Weinberg <zackw@panix.com>
7846 * doc/md.texi: Fix typo in previous change.
7848 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7850 * df.c: Remove.
7852 2006-02-27 Zack Weinberg <zackw@panix.com>
7854 * rtl.def (define_constraint, define_register_constraint)
7855 (define_memory_constraint, define_address_constraint): New MD forms.
7856 * gensupport.c (process_rtx): Put define_constraint etc on the
7857 predicate queue.
7858 * genpreds.c (process_define_predicate): Adjust comment. Validate
7859 the name, and call validate_exp to validate the expression.
7860 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7861 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7862 all callers changed.
7863 (validate_exp, needs_variable, struct constraint_data)
7864 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7865 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7866 (const_dbl_constraints, constraint_max_namelen)
7867 (have_register_constraints, have_memory_constraints)
7868 (have_address_constraints, have_address_constraints)
7869 (have_extra_constraints, have_const_int_constraints)
7870 (have_const_dbl_constraints, mangle, add_constraint)
7871 (process_define_constraint, process_define_register_constraint)
7872 (write_enum_constraint_num, write_lookup_constraint)
7873 (write_insn_constraint_len, write_regclass_for_constraint)
7874 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7875 (write_insn_extra_memory_constraint)
7876 (write_insn_extra_address_constraint)
7877 (write_satisfies_constraint_fns): New.
7878 (write_tm_preds_h): If we have new-style constraint definitions,
7879 prototype the functions generated from them, and define the
7880 old constraint interface (still used by generic code) in terms of
7881 those functions.
7882 (write_insn_preds_c): If we have new-style constraint definitions,
7883 generate all relevant functions from those definitions.
7884 (main): Handle define_constraint etc.
7885 * genoutput.c (struct constraint_data, indep_constraints)
7886 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7887 (mdep_constraint_len): New data structures and functions, defined
7888 #ifdef USE_MD_CONSTRAINTS.
7889 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7890 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7891 use new logic to validate operand constraints against constraint
7892 definitions.
7893 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7894 defined.
7895 * defaults.h: If none of the old-style constraint macros are
7896 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7897 old-style macros; and poison REG_CLASS_FROM_LETTER,
7898 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7899 EXTRA_CONSTRAINT.
7900 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7901 * doc/md.texi: Document new constraint-definition mechanism and the
7902 C interface it provides. Remove references to old mechanism
7903 elsewhere in the document.
7904 (Machine Constraints): Use pathnames relative to gcc directory,
7905 i.e. config/ARCH/FILE. Change i386 section to refer to
7906 config/i386/predicates.md; update that section to match docstrings.
7907 * doc/tm.texi: Move all documentation of the old constraint-
7908 definition macros to their own section, clearly mark as obsolete.
7910 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7911 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7912 definitions.
7913 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7914 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7915 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7916 constraint strings.
7917 (splits and peepholes): Use satisfies_constraint_*.
7918 * config/i386/i386.c (memory_address_length)
7919 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7921 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7923 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7924 scalar operation to be put back into the loop.
7926 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7928 PR other/26208
7929 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7930 (extract_cie_info): Handle S flag in augmentation string.
7931 (execute_cfa_program): If context->signal_frame, execute also
7932 fs->pc == context->ra instructions.
7933 (uw_frame_state_for): If context->signal_frame, don't subtract one
7934 from context->ra to find FDE.
7935 (uw_update_context_1): Set context->signal_frame to
7936 fs->signal_frame.
7937 (_Unwind_GetIPInfo): New function.
7938 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7939 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7940 of _Unwind_GetIP.
7941 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7942 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7943 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7944 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7945 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7946 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7947 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7948 x86_64_fallback_frame_state): Set fs->signal_frame.
7949 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7950 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7951 (frob_update_context): Likewise. Workaround missing S flag in
7952 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7953 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7954 Remove the psw_addr + 1 hack.
7956 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7958 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7959 with aggregates here.
7960 (find_func_aliases): Remove code for &<aggregate> from here.
7962 2006-02-26 Roger Sayle <roger@eyesopen.com>
7964 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7965 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7966 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7967 as (X & C) ne/eq 0.
7969 2006-02-26 Roger Sayle <roger@eyesopen.com>
7971 PR middle-end/19983
7972 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7974 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7976 * opts.c (decode_options): Do not handle flag_strength_reduce.
7977 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7978 and OPT_fstrength_reduce.
7979 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7980 flag_prefetch_loop_arrays for being nonzero.
7981 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7982 no-ops.
7983 (fprefetch-loop-arrays-rtl): Removed.
7984 (flag_prefetch_loop_arrays): Do not specify the value.
7986 * doc/passes.texi: Update documentation of loop optimizer
7987 passes.
7988 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7989 -frerun-loop-opt): Remove.
7991 2006-02-26 Richard Guenther <rguenther@suse.de>
7993 PR tree-optimization/26421
7994 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7995 in function calls that are ADDR_EXPRs as using the whole structure.
7997 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7999 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8000 * tree-pass.h (pass_loop_optimize): Remove.
8001 * passes.c (pass_loop_optimize): Never run it.
8002 * toplev.c (backend_init): Don't call init_loop.
8003 * opts.c (flag_loop_optimize_set): Remove.
8004 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8005 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8006 the old RTL loop optimizer when profiling enabled.
8007 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8008 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8009 pre-headers for the sake of the old RTL loop optimizer.
8010 * Makefile.in: Remove all references to loop.o.
8012 * doc/invoke.texi: Remove all references to -floop-optimize
8013 and -frerun-loop-opt.
8015 2006-02-26 Zack Weinberg <zackw@panix.com>
8017 * doc/md.texi (Machine Constraints): Refer to all files with paths
8018 relative to gcc directory (i.e. config/CPU/file). Add missing
8019 @table @code ... @end table to M32C subsection.
8021 2006-02-26 Roger Sayle <roger@eyesopen.com>
8023 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8024 (X & 1) == 0.
8025 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8027 2006-02-26 Roger Sayle <roger@eyesopen.com>
8028 James A. Morrison <phython@gcc.gnu.org>
8030 PR middle-end/21137
8031 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8032 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8033 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8034 signedness of the shift operation.
8036 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8038 PR tree-optimization/26359
8039 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8041 2006-02-25 Roger Sayle <roger@eyesopen.com>
8043 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8044 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8045 as X == 0, and some symmetry related transformations.
8046 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8048 2006-02-25 Roger Sayle <roger@eyesopen.com>
8050 PR middle-end/23673
8051 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8052 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8053 symmetry related transformations. Fold (X^C1) == C2 as
8054 X == (C1^C2).
8056 2006-02-25 Juergen Weigert <jw@suse.de>
8057 Richard Guenther <rguenther@suse.de>
8059 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8061 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8063 * combine.c (gen_lowpart_or_truncate): Call
8064 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8066 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8068 * doc/invoke.texi: Move -fopenmp description to "Options for
8069 Code Generation".
8070 Remove reference to -lgomp.
8072 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8074 * doc/install.texi: Require GNU tar version 1.14.
8076 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8078 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8079 * doc/invoke.texi (C++ Dialect Options): Document
8080 -fno-use-cxa-get-exception-ptr.
8081 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8082 * configure: Regenerate.
8083 * c.opt (fuse-cxa-get-exception-ptr): New.
8084 * c-opts.c (c_common_handle_option): Handle
8085 OPT_fuse_cxa_get_exception_ptr.
8086 * c-common.c (flag_use_cxa_atexit): Update documentation.
8087 (flag_use_cxa_get_exception_ptr): New.
8088 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8089 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8090 documentation.
8091 (C_COMMON_OVERRIDE_OPTIONS): New.
8093 2006-02-24 Roger Sayle <roger@eyesopen.com>
8095 PR middle-end/24952
8096 * combine.c (try_combine): Explicitly check whether GET_CODE is
8097 a SET or a CLOBBER, instead on checking that it isn't a USE.
8099 2006-02-24 Roger Sayle <roger@eyesopen.com>
8101 * fold-const.c (fold_comparison): New subroutine of fold_binary
8102 containing transformations common to both the equality and
8103 ordering relational operators, factored out of fold_binary.
8104 (fold_binary): Separate out the equality operators (EQ_EXPR
8105 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8106 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8107 transformations common to both.
8108 (fold_div_compare): Fix latent bugs in the previously unreachable
8109 LT_EXPR and GE_EXPR cases.
8111 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8113 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8114 decl libname for clog to __clog on AIX.
8116 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8118 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8120 PR target/26453
8121 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8122 output traceback table for thunks. Localise rs6000_stack_info call.
8124 2006-02-23 Roger Sayle <roger@eyesopen.com>
8125 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8127 * gthr-posix.h (__gthrw): Fix typo in comment.
8129 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8131 * doc/cpp.texi (Character sets): Document that we do support
8132 input files to be in any character set.
8134 2006-02-23 Jeff Law <law@redhat.com>
8136 * tree.h (PHI_ARG_NONZERO): Remove.
8137 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8138 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8139 node to the new node.
8141 PR tree-optimization/26425
8142 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8143 min/max, then assume its varying.
8145 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8147 PR rtl-optimization/26316
8148 * rtlanal.c (enum may_trap_p_flags): New.
8149 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8150 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8151 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8152 (may_trap_after_code_motion_p): New function.
8153 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8154 (find_invariant_insn): Use may_trap_after_code_motion_p.
8155 * rtl.h (may_trap_after_code_motion_p): Declare.
8157 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8159 * emit-rtl.c (immed_double_const): Cleanup.
8161 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8163 Fix PR tree-optimization/26376
8164 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8165 remove assert.
8167 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8169 PR middle-end/26412
8170 * gimplify.c (omp_add_variable): Guard variable size decl test with
8171 DECL_SIZE (decl) check.
8173 2006-02-23 Richard Guenther <rguenther@suse.de>
8175 PR middle-end/26439
8176 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8177 like aggregate types.
8179 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8181 * configure.ac: Add --with{,out}-long-double-128 configure option.
8182 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8183 * configure: Rebuilt.
8184 * config.in: Rebuilt.
8185 * doc/install.texi (Options specification): Document
8186 --with-long-double-128.
8188 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8189 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8190 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8191 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8193 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8195 * config/s390/s390.c (override_options): Handle
8196 TARGET_DEFAULT_LONG_DOUBLE_128.
8198 * config/alpha/alpha.c (override_options): Handle
8199 TARGET_DEFAULT_LONG_DOUBLE_128.
8201 * config/sparc/sparc.c (sparc_override_options): Handle
8202 TARGET_DEFAULT_LONG_DOUBLE_128.
8204 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8206 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8207 (real-install-headers-tar, real-install-headers-cpio)
8208 (real-install-headers-cp): New targets.
8210 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8212 * tree.h (variable_section): Delete.
8213 * varasm.c (variable_section): Delete.
8215 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8217 * install.texi: Add notes on install.texi2html.
8218 (Building in parallel): Do not use footnotes.
8220 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8222 PR libgomp/26234
8223 * doc/install.texi (Configuration): Document --disable-libgomp.
8225 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8227 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8229 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8231 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8232 (vec_extractv2df_0_sse): New.
8234 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8236 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8237 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8238 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8239 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8240 to the result of the expression.
8241 (def_cfa_1): Adjust.
8242 (frame_pointer_cfa_offset): Rename to...
8243 (frame_pointer_fb_offset): ... this. Adjust all uses.
8244 (convert_cfa_to_loc_list): Rename to...
8245 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8246 Pass it on to build_cfa_loc.
8247 (compute_frame_pointer_to_cfa_displacement): Rename to...
8248 (compute_frame_pointer_to_fb_displacement): ... this. New
8249 offset parameter. Use it in computation.
8250 (gen_subprogram_die): Compute cfa_fb_offset with the new
8251 macro, and use it to compute the fb loc list and the
8252 displacement.
8254 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8256 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8257 replaced with register_operand.
8258 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8259 non-DREG is expensive.
8260 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8261 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8262 involving memory.
8264 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8266 * doc/install.texi2html: Use set -e.
8268 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8270 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8271 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8272 * doc/invoke.texi (-fshared-data): Delete.
8273 * common.opt (fshared-data): Delete.
8274 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8275 (assemble_static_space): Remove #if 0 code.
8276 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8277 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8278 * config/cris/cris.h: Remove FIXME.
8280 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8282 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8283 hooks.
8285 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8287 PR middle-end/26379
8288 * combine.c (simplify_shift_const_1): Disable nested shifts
8289 optimization for vector shifts.
8291 2006-02-20 Roger Sayle <roger@eyesopen.com>
8293 PR tree-optimization/26361
8294 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8295 of unsigned integer types.
8297 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8299 * tree-chrec.c (eq_evolutions_p): New.
8300 * tree-chrec.h (eq_evolutions_p): Declared.
8301 * tree-data-ref.c: Fix formatting.
8302 (datadep_stats, dependence_stats): New.
8303 (gcd): Moved...
8304 (print_direction_vector): New.
8305 (dump_data_dependence_relation): Use print_direction_vector.
8306 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8307 (compute_subscript_distance): Static.
8308 (initialize_data_dependence_relation): Static. Get the number
8309 of loops surrounding the references from the callers, and initialize
8310 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8311 base_object_differ_p analyzers.
8312 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8313 compute_overlap_steps_for_affine_1_2,
8314 analyze_subscript_affine_affine): Count the classified dependences.
8315 Print a message when a test failed.
8316 (can_use_analyze_subscript_affine_affine): New.
8317 (analyze_siv_subscript): Compute the data dependences on symbolic
8318 scevs that verify can_use_analyze_subscript_affine_affine.
8319 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8320 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8321 Handle symbolic scevs.
8322 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8323 analyzed.
8324 (subscript_dependence_tester): Moved...
8325 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8326 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8327 DDR_SIZE_VECT instead of getting it in parameter.
8328 (subscript_dependence_tester): ... here. Take as a parameter
8329 loop_nest_depth. Call build_classic_dist_vector and
8330 build_classic_dir_vector.
8331 (compute_affine_dependence): Update subscript_dependence_tester
8332 parameters. Update datadep_stats counters. Call
8333 compute_subscript_distance.
8334 (compute_self_dependence): Save the dist and dir vectors. Call
8335 compute_subscript_distance.
8336 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8337 (compute_all_dependences): Reorder parameters as they were before
8338 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8339 compute_subscript_distance. Update the use of
8340 compute_affine_dependence and initialize_data_dependence_relation.
8341 (find_data_references_in_loop): Handle COMPONENT_REF.
8342 (compute_data_dependences_for_loop): Initialize dependence_stats.
8343 Don't call build_classic_dist_vector and build_classic_dir_vector.
8344 Update the parameters of initialize_data_dependence_relation and
8345 compute_all_dependences. Print the statistics from datadep_stats.
8346 (analyze_all_data_dependences): Static. Not used until the pass for
8347 checking the data dependences is contributed.
8348 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8349 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8350 (initialize_data_dependence_relation, compute_affine_dependence,
8351 analyze_all_data_dependences, compute_subscript_distance): Removed.
8352 (print_direction_vector): New.
8353 * lambda.h (gcd): ... here.
8354 (lambda_vector_gcd): Moved here from gcd_vector.
8355 * lambda-code.c (gcd, gcd_vector): Removed.
8356 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8357 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8359 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8361 * ipa-type-escape.c: Tidy some comments and white space.
8362 * tree-ssa-operands.c: Likewise.
8364 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8366 PR tree-opt/25879
8367 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8368 (dump_decl_name): Do not walk the decl tree chains.
8369 * tree-pass.h (TDF_CHAIN): Remove.
8371 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8373 * Makefile.in (C): Remove
8374 (PROTO): Remove
8375 (.PHONY): Remove C and PROTO
8377 2006-02-20 Roger Sayle <roger@eyesopen.com>
8379 PR middle-end/26236
8380 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8381 deprecated CHAR_TYPE tree code.
8383 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8385 * configure.ac (target_list): Add install-info, dvi, html.
8386 * configure: Regenerate.
8388 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8389 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8390 treelang/Make-lang.in: Do not use double-colon rules.
8392 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8394 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8395 (TMT_USED_ALONE): New macro.
8396 * tree-pass.h (PROP_tmt_usage): New property.
8397 (TODO_update_tmt_usage): New todo.
8398 * tree-ssa-alias.c (updating_used_alone): New variable.
8399 (recalculate_used_alone): New function.
8400 (compute_may_aliases): Set updating_used_alone, call
8401 recalculate_used_alone.
8402 * tree-sra.c (pass_sra): Note that this pass destroys
8403 PROP_tmt_usage, and add TODO_update_tmt_usage.
8404 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8405 * tree-flow.h (updating_used_alone): Prototype.
8406 (recalculate_used_alone): Ditto.
8407 * passes.c (execute_todo): Add code to set updating_used_alone,
8408 and call recalculate.
8409 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8410 for clobber if used alone, and add assert to verify used_alone
8411 status.
8413 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8415 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8416 for non tls symbols added.
8417 (legitimize_address): Do nothing for PLUS expressions if one of the
8418 addends is a tls symbol reference.
8420 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8422 PR bootstrap/25476
8424 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8426 * Makefile.in (BOOTSTRAPPING): New.
8427 (quickstrap): New definition if BOOTSTRAPPING=yes.
8429 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8430 * configure.ac: Substitute all_selected_languages with the languages
8431 that were configured. For all the other variables except
8432 lang_specs_files, include all the languages in the tree.
8433 * configure: Regenerate.
8435 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8436 if there is one. Run the commands to run fixincludes in the same
8437 subshell.
8439 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8440 * doc/install.texi: Document exact conventions for searching target tools.
8441 Document --with-build-time-tools. Document toplevel bootstrap. Document
8442 something more about building an Ada cross-compiler. Don't list GNU Make
8443 requirements which affect all platforms.
8445 2006-02-19 Roger Sayle <roger@eyesopen.com>
8447 PR middle-end/19543
8448 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8449 only equivalent if the have both the same mode and precision.
8451 2006-02-20 Ben Elliston <bje@au.ibm.com>
8453 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8455 2006-02-19 Roger Sayle <roger@eyesopen.com>
8456 Steven Bosscher <stevenb.gcc@gmail.com>
8458 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8459 constant pool references to identify stack mode constants.
8460 * rtlanal.c (constant_pool_constant_p): New predicate to check
8461 whether operand is a floating point constant in the pool.
8462 * rtl.h (constant_pool_constant_p): Prototype here.
8463 * loop.c (scan_loop): Avoid hoisting constants from the constant
8464 pool on STACK_REGS targets.
8465 (load_mems): Likewise.
8466 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8467 loads into x87 registers expensive in terms of register pressure.
8469 2006-02-19 Roger Sayle <roger@eyesopen.com>
8471 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8472 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8474 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8476 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8477 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8479 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8481 * doc/invoke.texi: Document -fipa-pta.
8482 * common.opt: Add ipa-pta option.
8483 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8484 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8485 (do_ds_constraint): Ditto.
8486 (get_constraint_for): Only add to referenced_vars if
8487 referenced_vars exists.
8488 (insert_into_field_list): Rewrite to do this unsorted.
8489 (insert_into_field_list_sorted): Rename old insert_into_field_list
8490 to this.
8491 (create_function_info_for): Use insert_into_field_list_sorted.
8492 (create_variable_info_for): Rewrite so it uses unsorted version,
8493 since the field list is sorted.
8494 (intra_create_variable_infos): Only add to referenced_vars if
8495 referenced_vars exists.
8496 (ipa_pta_execute): Init heapvars, and delete when done.
8497 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8499 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8501 * doc/install.texi: Add missing `@samp'.
8503 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8505 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8506 Use the arguments.
8508 2006-02-18 Mark Wielaard <mark@klomp.org>
8510 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8511 who added new 4.1 features, bug fixes and integration support.
8513 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8515 PR target/26350
8516 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8517 MEM for ABI_V4 pic.
8519 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8521 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8522 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8523 (copy_insn_1): Likewise. Don't copy each field individually.
8524 Reindent.
8525 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8526 of RTX_SIZE.
8527 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8528 * rtl.c (rtx_size): Rename variable to...
8529 (rtx_code_size): ...this.
8530 (rtx_size): New function.
8531 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8532 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8533 Reindent.
8534 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8535 * rtl.h (rtx_code_size): New variable.
8536 (rtx_size): Change from a variable to a function.
8537 (RTX_SIZE): Rename to...
8538 (RTX_CODE_SIZE): ...this.
8540 PR target/9703
8541 PR tree-optimization/17106
8542 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8543 (Anchored Addresses): New section.
8544 * doc/invoke.texi (-fsection-anchors): Document.
8545 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8546 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8547 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8548 * hooks.c (hook_bool_mode_rtx_false): New function.
8549 * hooks.h (hook_bool_mode_rtx_false): Declare.
8550 * gengtype.c (create_optional_field): New function.
8551 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8552 SYMBOL_REF_IN_BLOCK_P is true.
8553 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8554 (min_anchor_offset, max_anchor_offset): Likewise.
8555 (use_anchors_for_symbol_p): New hook.
8556 * toplev.c (compile_file): Call output_object_blocks.
8557 (target_supports_section_anchors_p): New function.
8558 (process_options): Check that -fsection-anchors is only used on
8559 targets that support it and when -funit-at-a-time is in effect.
8560 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8561 if the decl doesn't have one.
8562 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8563 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8564 of force_const_mem through use_anchored_address.
8565 (expand_expr_constant): New function.
8566 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8567 calling expand_expr for INDIRECT_REF.
8568 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8569 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8570 * expr.h (use_anchored_address): Declare.
8571 * loop-unroll.c: Don't declare rtx vectors here.
8572 * explow.c: Include output.h.
8573 (validize_mem): Call use_anchored_address.
8574 (use_anchored_address): New function.
8575 * common.opt (-fsection-anchors): New switch.
8576 * varasm.c (object_block_htab, anchor_labelno): New variables.
8577 (hash_section, object_block_entry_eq, object_block_entry_hash)
8578 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8579 (use_blocks_for_decl_p, change_symbol_section): New functions.
8580 (get_variable_section): New function, split out from assemble_variable.
8581 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8582 use_blocks_for_decl_p say so. Use change_symbol_section if the
8583 symbol has already been created.
8584 (assemble_variable_contents): New function, split out from...
8585 (assemble_variable): ...here. Don't output any code for
8586 block symbols; just pass them to place_block_symbol.
8587 Use get_variable_section and assemble_variable_contents.
8588 (get_constant_alignment, get_constant_section, get_constant_size): New
8589 functions, split from output_constant_def_contents.
8590 (build_constant_desc): Create a block symbol if use_object_blocks_p
8591 says so. Or into SYMBOL_REF_FLAGS.
8592 (assemble_constant_contents): New function, split from...
8593 (output_constant_def_contents): ...here. Don't output any code
8594 for block symbols; just pass them to place_section_symbol.
8595 Use get_constant_section and get_constant_alignment.
8596 (force_const_mem): Create a block symbol if use_object_blocks_p and
8597 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8598 (output_constant_pool_1): Add an explicit alignment argument.
8599 Don't switch sections here.
8600 (output_constant_pool): Adjust call to output_constant_pool_1.
8601 Switch sections here instead. Don't output anything for block symbols;
8602 just pass them to place_block_symbol.
8603 (init_varasm_once): Initialize object_block_htab.
8604 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8605 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8606 (place_block_symbol, get_section_anchor, output_object_block)
8607 (output_object_block_htab, output_object_blocks): New functions.
8608 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8609 (TARGET_ASM_OUT): Include it.
8610 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8611 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8612 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8613 (TARGET_INITIALIZER): Include them.
8614 * rtl.c (rtl_check_failed_block_symbol): New function.
8615 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8616 (block_symbol, object_block): New structures.
8617 (rtx_def): Add a block_symbol field to the union.
8618 (BLOCK_SYMBOL_CHECK): New macro.
8619 (rtl_check_failed_block_symbol): Declare.
8620 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8621 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8622 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8623 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8624 * output.h (output_section_symbols): Declare.
8625 (object_block): Name structure.
8626 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8627 (default_use_anchors_for_symbol_p): Declare.
8628 * Makefile.in (RTL_BASE_H): Add vec.h.
8629 (explow.o): Depend on output.h.
8630 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8631 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8632 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8633 (rs6000_use_blocks_for_constant_p): New function.
8635 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8637 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8639 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8641 PR tree-opt/25680
8642 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8643 IMAGPART_EXPR.
8645 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8647 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8648 is_aliased.
8649 Update all users.
8651 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8653 PR middle-end/26334
8654 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8655 instead of DECL_REGISTER.
8657 2006-02-18 Olivier Hainque <hainque@adacore.com>
8659 PR ada/13408
8660 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8662 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8664 PR target/24837
8665 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8666 * opth-gen.awk: Handle Var and InverseMask together.
8667 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8668 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8669 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8670 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8671 used together.
8672 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8673 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8674 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8675 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8676 LINUX_DYNAMIC_LINKER): Define.
8677 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8678 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8679 TARGET_GLIBC.
8680 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8681 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8682 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8683 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8684 (TARGET_C99_FUNCTIONS): Don't define.
8685 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8686 GLIBC_DYNAMIC_LINKER.
8687 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8688 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8689 GLIBC_DYNAMIC_LINKER64): Define.
8690 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8691 LINUX_DYNAMIC_LINKER64.
8692 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8693 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8694 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8695 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8696 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8697 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8698 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8699 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8700 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8701 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8702 and LINUX_DYNAMIC_LINKER32.
8703 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8704 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8705 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8706 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8707 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8708 TARGET_GLIBC.
8709 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8710 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8711 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8712 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8713 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8714 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8715 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8716 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8717 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8718 LINUX_DYNAMIC_LINKER): Define.
8719 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8720 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8721 GLIBC_DYNAMIC_LINKER64): Define.
8722 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8723 LINUX_DYNAMIC_LINKER64.
8724 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8725 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8726 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8727 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8728 LINUX_DYNAMIC_LINKER): Define.
8729 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8730 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8731 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8732 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8733 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8734 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8735 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8736 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8737 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8738 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8739 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8740 * doc/invoke.texi (-muclibc): Remove caveat about supported
8741 targets.
8743 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8745 * doc/cpp.texi (__TIMESTAMP__): Document.
8747 2006-02-17 Roger Sayle <roger@eyesopen.com>
8749 PR middle-end/25600
8750 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8751 C is one less than the width of X (and related transformations).
8752 * simplify-rtx.c (simplify_unary_operation_1): Transform
8753 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8754 depending on STORE_FLAG_VALUE, were C is one less then the
8755 width of X.
8757 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8759 Fix PR tree-optimization/26341
8760 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8761 about NAME_MEMORY_TAG's.
8763 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8765 PR target/26255
8766 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8767 with hardware float support, and software float support. Add fcpy
8768 alternative to hardware patterns. Add alternatives to copy between
8769 general and floating-point registers to the 32-bit pattern.
8770 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8771 secondary reload to load a QI or HI mode constant into a floating
8772 point register.
8773 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8774 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8776 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8778 PR target/26272
8779 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8780 pc to the pattern.
8781 (load_macho_picbase_di): Likewise.
8783 2006-02-16 Jeff Law <law@redhat.com>
8785 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8786 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8787 (ssa_name_nonzero_p): Likewise.
8788 (get_value_range): Return NULL if VRP is not running.
8789 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8790 VRP routines do not discover a range.
8791 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8792 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8793 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8794 (tree_expr_nonnegative_p): Similarly.
8795 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8796 (restore_nonzero_vars_to_original_value): Remove.
8797 (unsafe_associative_fp_binop): Remove.
8798 (tree_ssa_dominator_optimize): Remove initialization and
8799 finalization of nonzero_vars and nonzero_vars_stack.
8800 (dom_opt_initialize_block): No longer push marker on
8801 nonzero_vars_stack.
8802 (dom_opt_finalize_block): No longer call
8803 restore_nonzero_vars_to_original_value.
8804 (record_equivalences_from_phis): No longer look for
8805 nonzero PHI arguments.
8806 (cprop_into_successor_phis): No longer propagate nonzero
8807 property into PHI arguments. Lose unused argument. Caller
8808 updated.
8809 (record_equivalences_from_stmt): No longer record nonzero
8810 values for SSA_NAMEs.
8811 (lookup_avail_expr): No longer use nonzero_vars.
8813 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8814 for sizetype when sizetype is unsigned.
8816 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8818 PR rtl-optimization/25603
8819 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8820 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8821 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8822 with new meaning of SETS.
8824 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8826 PR target/20353
8827 PR target/24578
8828 PR target/24837
8829 * config/linux.opt: New file.
8830 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8831 LINUX_DYNAMIC_LINKER): Define.
8832 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8833 * config.gcc (*-*-linux*): Define extra_options.
8834 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8835 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8836 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8837 GLIBC_DYNAMIC_LINKER.
8838 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8839 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8840 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8841 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8842 * doc/invoke.texi (GNU/Linux Options): New section.
8844 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8846 * config/sparc/sparc.md (setjmp): Rewrite.
8847 (setjmp_32): Delete.
8848 (setjmp_64): Likewise.
8850 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8852 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8853 previous change.
8855 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8857 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8858 read-write uses.
8860 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8862 PR rtl-optimization/26296
8863 * Makefile.in (loop-invariant.c): Add except.h dependency.
8864 * loop-invariant.c: Include except.h.
8865 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8867 2005-02-16 Paul Brook <paul@codesourcery.com>
8869 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8870 for reloads.
8872 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8874 PR rtl-optimization/25636
8875 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8876 when deciding whether an insn is an initializing insn.
8878 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8880 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8881 (tree_code_size): Ditto.
8882 * tree.h (struct tree_memory_tag): Remove parent_var.
8883 (struct tree_struct_field_tag): New.
8884 (SFT_OFFSET): New.
8885 (SFT_SIZE): New.
8886 (union tree_node): Add sft member.
8887 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8888 specially here.
8889 (create_sft): Add size and offset argument, set SFT_OFFSET and
8890 SFT_SIZE.
8891 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8892 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8893 * tree-flow-inline.h (get_subvar_at): Update for
8894 SFT_OFFSET/SFT_SIZE.
8895 (var_can_have_subvars): Ditto.
8896 (overlap_subvar): Ditto.
8897 * print-tree.c (print_node): Print out interesting things for
8898 SFT's.
8899 * tree-flow.h (struct subvar): Remove offset and size members.
8900 * tree-ssa-operands.c (get_expr_operands): Update for
8901 get_indirect_ref_operands changes.
8902 (get_indirect_ref_operands): Call add_virtual_operand instead of
8903 add_stmt_operand. Only recurse on base var if requested.
8904 (access_can_touch_variable): New function.
8905 (add_stmt_operand): Split virtual operand handling into ...
8906 (add_virtual_operand): Here. Add offset, size, and for_clobber
8907 arguments. Prune alias sets.
8908 (add_call_clobber_ops): Call add_virtual_operand.
8910 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8912 PR middle-end/26300
8913 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8915 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8916 than TREE_CODE as index into omp_clause_num_ops array.
8918 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8920 PR rtl-optimization/26184
8921 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8922 uses_of_defs.
8923 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8924 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8925 must_precede, must_follow and tobe_scheduled.
8927 PR other/26147
8928 * opts.c (common_handle_option): Free new_option pointer.
8929 * df-core.c (df_analyze): Free postorder pointer.
8931 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8933 * Makefile.in: Fix the examples about the use of stamps
8935 2006-02-15 Michael Matz <matz@suse.de>
8937 PR middle-end/22275
8939 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8940 influenced by maximum_field_alignment or DECL_PACKED.
8941 (update_alignment_for_field): Ditto.
8942 (place_field): Ditto.
8943 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8944 this behaviour.
8946 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8948 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8949 (debug_flow_info): Pass it.
8950 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8951 * bb-reorder.c (reorder_basic_blocks): Likewise.
8952 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8953 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8954 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8955 * gcse.c (gcse_main, bypass_jumps): Likewise.
8956 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8957 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8958 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8959 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8960 * rtl.h (dump_flow_info): Adjust prototype.
8961 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8962 * var-tracking.c (variable_tracking_main): Likewise.
8963 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8964 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8965 options.
8967 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8969 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8970 construction.
8972 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8974 PR tree-optimization/26209
8975 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8976 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8977 eh edges.
8978 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8980 2006-02-14 Roger Sayle <roger@eyesopen.com>
8982 PR middle-end/23670
8983 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8984 (X,Y) and the corresponding symmetry related transformations.
8985 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8986 (X,Y) and its symmetry related transformations.
8988 2006-02-14 Roger Sayle <roger@eyesopen.com>
8990 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8991 and GEU.
8993 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8995 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8997 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8999 PR bootstrap/26053
9000 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9001 support COMDAT group.
9002 * configure: Regenerate.
9004 2006-02-14 Roger Sayle <roger@eyesopen.com>
9006 PR middle-end/26279
9007 PR middle-end/26280
9008 PR middle-end/26283
9009 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9011 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9013 Fix PR tree-optimization/26260
9015 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9016 param.
9017 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9018 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9019 * tree-ssa-structalias.c (create_variable_info_for): Use
9020 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9022 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9024 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9025 Document.
9026 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9027 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9028 of the ending condition.
9029 * tree-ssa-loop-manip.c: Include params.h.
9030 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9031 tree_unroll_loop): New functions.
9032 * tree-pass.h (pass_loop_prefetch): Declare.
9033 * loop.c (rest_of_handle_loop_optimize): Test for
9034 -fprefetch-loop-arrays-rtl.
9035 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9036 * timevar.def (TV_TREE_PREFETCH): New timevar.
9037 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9038 pass_loop_prefetch): New.
9039 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9040 (cleanup_tree_cfg_loop): Call scev_reset.
9041 * common.opt (fprefetch-loop-arrays-rtl): Add.
9042 * tree-ssa-loop-prefetch.c: New file.
9043 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9044 (new_temp_expr_table): Initialize expr_vars.
9045 (free_temp_expr_table): Cleanup expr_vars.
9046 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9047 expressions from being merged into one.
9048 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9049 (struct tree_niter_desc): Add control, bound and cmp fields.
9050 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9051 Declare.
9052 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9053 (tree-cfgcleanup.o): Add SCEV_H dependency.
9054 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9055 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9057 2006-02-14 Richard Guenther <rguenther@suse.de>
9059 PR tree-optimization/26258
9060 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9061 in PHI argument processing.
9063 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9065 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9066 new expression in the requested machine mode.
9068 2006-02-13 Roger Sayle <roger@eyesopen.com>
9070 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9071 directly, instead let do_compare_rtx_and_jump handle this for us.
9072 * expr.c (expand_expr_real_1): Likewise.
9073 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9074 before do_jump_by_parts_greater.
9075 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9076 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9078 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9080 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9082 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9084 PR rtl-optimization/26235
9085 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9086 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9087 format.
9089 2006-02-13 Jeff Law <law@redhat.com>
9091 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9092 TRUTH_XOR_EPR.
9094 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9096 PR middle-end/26092
9097 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9098 twice if decl is a builtin. When trying again, call get_callee_fndecl
9099 first to verify it is still a builtin.
9101 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9103 * dwarf2out.c (base_type_die): Don't add AT_name here.
9104 (subrange_type_die): Don't add AT_name here.
9105 (modified_type_die): Rearrange code flow. Do add AT_name here.
9107 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9109 PR rtl-optimization/26247
9110 PR rtl-optimization/26248
9111 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9113 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9115 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9116 * config/fixtfdi.c: Likewise.
9117 * config/fixunstfdi.c: Likewise.
9118 * config/floatditf.c: Likewise.
9120 2006-02-13 Roger Sayle <roger@eyesopen.com>
9122 PR middle-end/24427
9123 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9124 into (X,C2) if C1 is a subset of the bits of C2. Transform
9125 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9126 (X&(C1&~C2))|C2.
9127 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9129 2006-02-13 Josh Conner <jconner@apple.com>
9131 PR target/25376
9132 * varasm.c (function_section): Check for section name before
9133 calling select_section on targets that define
9134 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9135 unlikely_text_section instead of hot_function_section if
9136 first_function_block_is_cold.
9138 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9140 PR middle-end/25335
9141 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9143 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9145 PR rtl-optimization/26222
9146 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9147 after tree->rtl expansion.
9148 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9149 before passing it to emit_move_insn.
9151 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9153 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9154 default.
9155 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9156 Clarify documentation.
9157 * c-common.h (warn_write_strings): Remove.
9158 * c-common.c (warn_write_strings): Likewise.
9159 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9160 default for C++.
9162 2006-02-12 Roger Sayle <roger@eyesopen.com>
9164 PR middle-end/25724
9165 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9166 (do_jump_parts_zero_rtx): New function renamed from
9167 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9168 (do_jump_parts_equality_rtx): New function split out from
9169 do_jump_parts_equality. Old implementation renamed as above.
9170 Call do_jump_parts_zero_rtx if either operand is zero.
9171 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9172 do all of the heavy lifting.
9173 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9174 calling either do_jump_by_parts_greater_rtx or
9175 do_jump_by_parts_equality_rtx.
9176 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9177 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9178 moved to do_compare_rtx_and_jump, call it directly.
9179 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9180 mode argument. Call do_compare_rtx_and_jump.
9181 (emit_case_nodes): Update calls to do_jump_if_equal.
9183 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9185 PR rtl-optimization/26225
9186 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9188 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9190 PR rtl-optimization/26232
9191 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9193 2006-02-11 Jason Merrill <jason@redhat.com>
9195 PR tree-opt/24365
9196 * tree-inline.c (declare_return_variable): Just don't use the
9197 modify target if it's a gimple complex reg and the return slot
9198 isn't.
9200 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9202 * doc/contrib.texi: Update my entry.
9204 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9206 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9208 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9210 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9211 expensive.
9213 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9215 * doc/invoke.texi (-floop-optimize2): Removed.
9216 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9217 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9218 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9219 * common.opt (floop-optimize2): Removed.
9220 (fmove-loop-invariants): Enabled by default.
9222 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9224 * tree-if-conv.c (combine_blocks): Free the result of
9225 get_loop_exit_edges.
9227 2006-02-10 Jeff Law <law@redhat.com>
9229 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9231 PR tree-optimization/26213
9232 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9233 loop trying to follow SSA_NAME_VALUE chains.
9235 2006-02-10 Richard Guenther <rguenther@suse.de>
9237 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9238 deal with structures that end in implicitly variable sized arrays.
9240 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9242 PR rtl-optimization/24762
9243 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9244 eh edges.
9246 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9248 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9249 (struct ivopts_data): Add regs_used field.
9250 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9251 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9252 instead of loop_data->regs_used;
9253 (free_loop_data): Do not free aux fields for loops.
9254 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9255 and tree_ssa_iv_optimize_finalize.
9257 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9259 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9261 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9263 PR target/26141
9264 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9265 computing the effective result type.
9267 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9269 PR inline-asm/16194
9270 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9271 (tree_overlaps_hard_reg_set): Declare.
9272 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9273 type and signature to match function type expected by walk_tree.
9274 (tree_overlaps_hard_reg_set): New function.
9275 (decl_conflicts_with_clobbers_p): Rename to:
9276 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9277 Use tree_overlaps_hard_reg_set. Changed caller.
9278 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9279 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9280 * cris.c (cris_md_asm_clobbers): Likewise.
9282 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9284 * reload1.c (emit_input_reload_insns): Delete code that tries to
9285 inherit using find_equiv_reg.
9287 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9289 * c-common.h (flag_const_strings): Don't declare.
9290 * c-common.c (flag_const_strings): Remove.
9291 * c.opt (fconst_strings): Remove.
9292 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9293 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9294 (c_common_init_options): Don't set flag_const_strings.
9295 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9297 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9299 * arm.md (tlobits_cbranch): New pattern.
9300 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9301 testing a single bit.
9303 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9305 PR tree-opt/26179
9306 * tree-ssa-pre.c (create_component_ref_by_pieces):
9307 Handle RETURN_DECL like VAR_DECL.
9309 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9311 PR middle-end/26134
9312 * fold-const.c (fold_indirect_ref_1): Fold
9313 "*(foo *)&complexfoo" to "__real__ complexfoo"
9314 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9316 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9318 * tree-flow-inline.h (var_can_have_subvars):
9319 Volatile variables should not have subvariables.
9321 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9323 PR 26180
9324 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9325 multiplying unsigned values.
9326 Tidy comments.
9328 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9330 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9332 2006-02-08 Jason Merrill <jason@redhat.com>
9334 PR c++/25979
9335 * tree.def: Elaborate on difference from MODIFY_EXPR.
9336 * doc/c-tree.texi (INIT_EXPR): Likewise.
9337 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9338 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9339 (gimplify_target_expr): Likewise.
9340 (gimplify_cond_expr): Remove target handling.
9341 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9342 (gimplify_expr): Clobber it here.
9343 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9344 Do return slot optimization if we have an INIT_EXPR.
9346 PR tree-opt/24365
9347 * tree-inline.c (declare_return_variable): Also clear
9348 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9350 PR c++/16405
9351 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9353 PR middle-end/22439
9354 * gimplify.c (gimplify_one_sizepos): Fix typo.
9356 2006-02-08 Jeff Law <law@redhat.com>
9358 PR tree-optimization/21417
9359 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9360 across a backedge if the control statement at the end of the
9361 block is data dependent on other statements in the same block.
9362 (record_temporary_equivalences_from_stmts): Remove over-conservative
9363 test for threading across backedges.
9365 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9366 control statement, handle all three special cases in the same
9367 manner as they all have the same desired solution. No longer
9368 special case edge flag updating when the post dominator is
9369 the exit block.
9371 2006-02-08 Roger Sayle <roger@eyesopen.com>
9373 * tree.def (CHAR_TYPE): Remove.
9374 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9375 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9376 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9377 (gen_string_type_die): Delete unreachable function.
9379 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9380 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9381 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9382 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9383 * builtins.c (type_to_class): Likewise.
9384 * fold-const.c (fold_convert, build_range_check,
9385 merge_ranges): Likewise.
9386 * expr.c (count_type_elements): Likewise.
9387 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9388 * stor-layout.c (layout_type): Likewise.
9389 * ipa-type-escape.c (type_to_consider): Likewise.
9390 * gimplify.c (omp_firstprivatize_type_sizes,
9391 gimplify_type_sizes): Likewise.
9392 * explow.c (promote_mode): Likewise.
9393 * tree-sra.c (is_sra_scalar_type): Likewise.
9394 * varasm.c (output_constant): Likewise.
9395 * tree-inline.c (remap_type_1): Likewise.
9396 * convert.c (convert_to_pointer, convert_to_real,
9397 convert_to_integer, convert_to_complex): Likewise.
9399 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9401 * df-scan.c (df_def_record_1): A set destination may
9402 be a parallel regardless of mode.
9404 2006-02-08 Roger Sayle <roger@eyesopen.com>
9406 PR target/22209
9407 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9408 * config/mips/_tilib.c: Remove.
9409 * config/fixtfdi.c: New libgcc source file.
9410 * config/fixunstfdi.c: New source file.
9411 * config/floatditf.c: New source file.
9412 * config/floatunditf.c: New souce file.
9413 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9414 files above instead of config/mips/_tilib.c.
9415 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9417 2006-02-08 Jeff Law <law@redhat.com>
9419 PR tree-optimization/26169
9420 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9421 threading jumps.
9423 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9425 * df.h (DF_REG_SIZE): Return the length of the initialized
9426 part of the array.
9428 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9430 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9431 __muldf3): Return a correctly signed zero.
9433 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9435 * passes.c (register_one_dump_file): Accept the current properties
9436 instead of pass number. Adjust call to dump_register. Remove
9437 duplicated code.
9438 (register_dump_files): Now a wrapper around...
9439 (register_dump_files_1): ... this one. Do not modify the pass
9440 structure.
9441 (next_pass_1): Cosmetic fix.
9442 (execute_todo): Keep second parameter only. Use curr_properties
9443 instead of fetching it from the pass structure. Check and set
9444 last_verified.
9445 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9446 instead of fetching it from the pass structure. Fix calls to
9447 execute_todo. Update curr_properties and initialize .vcg RTL dump
9448 after running the pass. Reset last_verified.
9449 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9450 at the beginning.
9451 (FIRST_AUTO_NUMBERED_DUMP): New.
9452 (dump_register): Remove "num" parameter, assign it within the
9453 function.
9454 (get_dump_file_name): Modify template for dumps.
9455 * tree-dump.h (dump_register): Adjust prototype.
9456 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9457 (PROP_trees): Add PROP_gimple_lomp.
9458 (TODO_set_props): New.
9459 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9460 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9461 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9463 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9465 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9466 (sparc64-*-linux*): Likewise.
9467 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9468 * config/sparc/t-linux: New file.
9469 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9470 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9471 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9472 -m32 -mlong-double-128.
9474 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9475 * config/alpha/t-linux: New file.
9476 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9478 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9479 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9480 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9481 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9482 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9483 (CPP_ARCH32_SPEC): Remove.
9485 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9487 PR tree-optimization/26145
9488 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9489 bbs pointer.
9491 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9493 PR target/26109
9494 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9495 >= 240000 when generating code for SOM runtime.
9496 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9497 to $$dyncall when generating code for SOM runtime..
9499 2006-02-07 Dirk Mueller <dmueller@suse.com>
9501 PR c++/18150
9502 * doc/invoke.texi (-Wsequence-point): Update documentation
9503 that -Wsequence-point is implemented for C++ as well.
9505 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9507 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9508 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9509 (LIB_SPEC): Likewise.
9510 * doc/invoke.texi (SPARC options): Document -pthread.
9512 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9514 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9515 PIC addresses.
9517 2006-02-07 Roger Sayle <roger@eyesopen.com>
9519 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9520 Correct comment describing BOOLEAN_TYPE.
9522 2006-02-07 Dirk Mueller <dmueller@suse.com>
9524 * c.opt: C++ frontend supports -Wdiv-by-zero.
9525 * c-opts.c (c_common_handle_option): Remove dead case.
9527 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9529 * configure.ac (TLS assembler check): Do not enable TLS by
9530 default on SPARC/Solaris before version 10.
9531 * configure: Regenerate.
9533 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9535 * doc/invoke.texi (xl-compat): Document conversion and support
9536 routine names.
9538 2006-02-07 Jeff Law <law@redhat.com>
9540 * tree-vrp.c (find_conditional_asserts): Update comments.
9541 (simplify_stmt_for_jump_threading): New.
9542 (identify_jump_threads, finalize_jump_threads): New.
9543 (vrp_finalize): Call identify_jump_threads.
9544 (execute_vrp): Call finalize_jump_threads.
9545 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9546 (vrp_element, vrp_data, vrp_element_p): Remove.
9547 (vrp_hash_elt, vrp_variables_stack): Remove.
9548 (vrp_hash, vrp_eq, record_range): Remove.
9549 (simplify_cond_and_lookup_avail_expr): Remove.
9550 (extract_range_from_cond): Remove.
9551 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9552 (simplify_stmt_for_jump_threading): New.
9553 (dom_thread_across_edge): New wrapper.
9554 (tree_ssa_dominator_optimize): No longer initialize or
9555 finalize any of the VRP datastructures. Remove iteration
9556 step and simplify as a result of removal of iteration step.
9557 (pass_dominator): Perform a cfg cleanup after DOM.
9558 (dom_opt_finalize_block): Use the new common routines
9559 for threading jumps. Simplify stack management slightly.
9560 No longer need to unwind VRP state.
9561 (record_equivalences_from_incoming_edge): No longer record
9562 VRP information.
9563 (eliminate_redundant_computations): No longer call
9564 simplify_cond_and_lookup_avail_expr.
9565 * tree-flow.h (potentially_threadable_block): Prototype.
9566 (thread_across_edge): Likewise.
9567 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9568 (tree-ssa-threadedge.o): Add dependencies.
9569 * tree-ssa-threadedge.c: New file.
9570 * passes.c (init_optimization_passes): Merge PHIs before
9571 calling VRP. Run VRP again late in the SSA optimization pipeline.
9573 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9575 * df-core.c (df_set_blocks): Do not dereference function pointers.
9576 (df_finish1): Likewise.
9577 (df_hybrid_search_forward): Likewise.
9578 (df_hybrid_search_backward): Likewise.
9579 (df_iterative_dataflow): Likewise.
9580 (df_analyze_problem): Likewise.
9581 (df_compact_blocks): Likewise.
9582 (df_dump): Likewise.
9583 * df-scan.c (df_rescan_blocks): Likewise.
9584 (df_record_entry_block_defs): Likewise.
9586 * genconditions.c (write_conditions): Guard the definition of
9587 'insn_conditions' with the check on GCC version.
9588 (write_writer): Guard the traversal 'insn_conditions' with
9589 the check on GCC version.
9591 2006-02-07 Richard Guenther <rguenther@suse.de>
9593 PR c++/26140
9594 Revert
9595 2006-01-30 Richard Guenther <rguenther@suse.de>
9596 PR c++/23372
9597 * gimplify.c (gimplify_target_expr): Handle easy cases
9598 without creating a temporary.
9600 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9602 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9603 use of float in probability computations. Use edge probabilities
9604 in place of statically computed probabilities.
9605 (min_spec_prob): New static variable.
9606 (schedule_insns): Initialize it.
9607 (GET_SRC_PROB): Removed.
9608 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9610 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9612 PR debug/24444
9613 * config/ia64/unwind-ia64.c: Revert last change.
9614 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9615 (INCOMING_FRAME_SP_OFFSET): Define.
9617 2006-02-06 Roger Sayle <roger@eyesopen.com>
9619 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9621 2006-02-07 Ben Elliston <bje@au.ibm.com>
9623 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9624 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9625 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9626 (ix86_return_in_memory): Handle TDmode.
9627 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9628 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9630 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9632 * reorg.c (dbr_schedule): Use dump_file instead of file.
9634 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9636 PR target/25917
9637 * config/ia64/predicates.md (extr_len_operand): New predicate.
9638 * config/ia64/ia64.md (extv): Tighten constraints.
9639 (extzv): Ditto.
9640 (*tbit_and_2): Ditto.
9641 (*tbit_and_3): Ditto.
9642 (*tbit_or_2): Ditto.
9643 (*tbit_or_3): Ditto.
9644 (*bit_zero): Ditto.
9645 (*bit_one): Ditto.
9647 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9649 PR target/23359
9650 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9652 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9654 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9655 loop_optimizer_init and loop_optimizer_finalize
9656 * tree-ssa-sink.c (execute_sink_code): Ditto.
9657 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9658 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9659 tree_ssa_loop_done): Ditto.
9660 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9661 * sched-ebb.c: Include output.h.
9662 (schedule_ebbs): Do not use dump argument.
9663 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9664 * loop.c (loop_dump_stream): Removed.
9665 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9666 argument.
9667 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9668 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9669 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9670 loop_iterations, strength_reduce, record_biv, record_giv,
9671 final_giv_value, check_final_value, check_ext_dependent_givs,
9672 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9673 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9674 dump_file instead of loop_dump_stream.
9675 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9676 argument dump_file.
9677 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9678 dump argument.
9679 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9680 * haifa-sched.c: Include output.h
9681 (schedule_insns, sched_init): Do not use dump argument.
9682 * mode-switching.c (optimize_mode_switching): Ditto.
9683 * modulo-sched.c (stats_file): Removed.
9684 (print_node_sched_params): Do not call argument dump_file.
9685 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9686 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9687 of stats_file.
9688 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9689 use dump argument.
9690 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9691 rtl_loop_init, rtl_loop_done): Ditto.
9692 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9693 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9694 Ditto.
9695 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9696 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9697 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9698 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9699 * emit-rtl.c (renumber_insns): Ditto.
9700 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9701 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9702 * regclass.c (regclass): Ditto.
9703 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9704 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9705 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9706 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9707 Ditto.
9708 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9709 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9710 to regclass.
9711 * gcse.c (gcse_file, debug_stderr): Removed.
9712 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9713 rest_of_handle_gcse): Do not use dump argument.
9714 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9715 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9716 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9717 compute_code_hoist_vbeinout, compute_code_hoist_data,
9718 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9719 compute_store_table, build_store_vectors, insert_insn_start_bb,
9720 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9721 store_motion): Use dump_file instead of gcse_file.
9722 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9723 * profile.c (profile_dump_file): Removed.
9724 (branch_prob): Use dump_file instead of profile_dump_file.
9725 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9726 dump_file.
9727 * tree-ssa-copy.c (dump_copy_of): Ditto.
9728 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9729 dump file to life_analysis.
9730 * bt-load.c (branch_target_load_optimize): Ditto.
9731 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9732 renumber_insns.
9733 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9734 regclass, dbr_schedule): Declaration changed.
9735 * sched-int.h (sched_init): Declaration changed.
9736 * tree-profile.c (tree_profile_dump_file): Removed.
9737 (tree_profile_hooks): Removed profile_dump_file hook.
9738 * rtl-profile (rtl_profile_dump_file): Removed.
9739 (rtl_profile_hooks): emoved profile_dump_file hook.
9740 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9741 changed.
9742 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9743 * tree-cfg.c (build_tree_cfg): Ditto.
9744 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9745 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9746 Declaration changed.
9747 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9748 life_analysis and schedule_insns.
9749 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9750 life_analysis.
9751 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9752 dbr_schedule.
9753 * config/mips/mips.c (mips_reorg): Ditto.
9754 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9755 schedule_ebbs.
9757 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9759 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9760 (s390_mangle_fundamental_type): New.
9761 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9762 Define.
9764 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9765 (alpha_mangle_fundamental_type): New.
9766 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9767 Define.
9769 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9770 Define.
9771 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9772 Define.
9773 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9774 (sparc_mangle_fundamental_type): New.
9776 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9778 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9779 (s390x-*-linux*): Likewise.
9780 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9781 * config/s390/t-linux: New file.
9783 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9785 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9786 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9788 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9790 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9791 (ANTIC_SAFE_LOADS): New macro.
9792 (find_or_generate_expression): Add prototype.
9793 (set_contains_value): Allow null set for sake of not always having
9794 to allocate ANTIC_SAFE_LOADS.
9795 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9796 Allow COMPONENT_REF too.
9797 (valid_in_set): Allow COMPONENT_REF.
9798 Check ANTIC_SAFE_LOADS too.
9799 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9800 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9801 rename.
9802 (can_PRE_operation): Add COMPONENT_REF.
9803 (create_component_ref_by_pieces): New function.
9804 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9805 (insert_aux): Move AGGREGATE_TYPE_P check here.
9806 (compute_avail): Set bb local stmt uids.
9807 (pass_pre): Use TODO_update_ssa_only_virtuals.
9809 2006-02-06 Ben Elliston <bje@au.ibm.com>
9811 * configure.ac: Unconditionally disable decimal float by default.
9812 * configure: Regenerate.
9814 2006-02-06 Ben Elliston <bje@au.ibm.com>
9816 * read-rtl.c (read_name): Terminate reading on EOF.
9818 2006-02-06 Ben Elliston <bje@au.ibm.com>
9820 * dfp.c (decimal_real_arithmetic): Change second argument type
9821 from int to enum tree_code. Do not always return true, but now
9822 return result of any call to decimal_do helper functions.
9823 * dfp.h (decimal_real_arithmetic): Update prototype.
9825 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9827 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9829 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9831 PR tree-opt/25251
9832 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9833 forced labels.
9835 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9837 * tree-vrp.c (cfg_loops): Removed.
9838 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9839 Use current_loops instead of cfg_loops. Pass flags to
9840 loop_optimizer_init.
9841 * cfgloopmanip.c (fix_loop_structure): Update only available
9842 information.
9843 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9844 loop_optimizer_init.
9845 * modulo-sched.c (build_loops_structure): Removed.
9846 (sms_schedule): Use loop_optimizer_init.
9847 * loop-init.c (loop_optimizer_init): Use flags to determine
9848 which properties of loops to prepare.
9849 (rtl_loop_init): Pass flags to loop_optimizer_init.
9850 * tree-ssa-sink.c (execute_sink_code): Ditto.
9851 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9852 * tree-ssa-pre.c (init_pre): Ditto.
9853 * cfgloop.h (LOOPS_NORMAL): New.
9854 (loop_optimizer_init): Declaration changed.
9856 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9858 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9859 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9860 pa/t-pa.
9861 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9862 pa/t-pa.
9863 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9864 pa/x-ada.
9865 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9866 * pa/t-pa64: Delete quadlib.c rule.
9867 * pa/x-ada: Revert last change.
9868 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9870 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9872 PR rtl-optimization/26087
9873 * rtlanal.c (canonicalize_condition): Do not cross basic block
9874 boundaries.
9876 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9878 PR debug/24444
9879 * config/ia64/ia64.c: Include debug.h.
9880 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9881 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9882 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9883 (process_epilogue, process_set, process_for_unwind_directive):
9884 Output unwind info only if requested. Add CFA info if requested.
9885 Add new arguments as needed. Adjust callers.
9886 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9887 incorrect default.
9888 (DWARF2_FRAME_INFO): Define to zero.
9889 * config/ia64/unwind-ia64.c: Remove code that compensated for
9890 the CFA offset error fixed above.
9891 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9892 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9893 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9894 -funwind-tables and -fexceptions to enable frame info.
9895 (dwarf2out_frame_init): Define initial CFA even if
9896 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9897 DWARF2_UNWIND_INFO is nonzero, not just defined.
9898 (dwarf2out_frame_finish): Output non-EH call frame info only
9899 if DWARF2_FRAME_INFO is nonzero.
9900 (convert_cfa_to_loc_list,
9901 compute_frame_pointer_to_cfa_displacement): Define even if
9902 unwind info is not supported.
9903 (gen_subprogram_die): Use the above unconditionally. Remove
9904 legacy alternate code.
9905 * toplev.c (compile_file): Compile in call to
9906 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9907 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9909 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9910 Jakub Jelinek <jakub@redhat.com>
9912 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9913 IBM extended float format long double as "g" on powerpc*-linux.
9915 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9917 PR target/25926
9918 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9919 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9921 2006-02-03 Jason Merrill <jason@redhat.com>
9923 PR c++/25979
9924 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9926 PR middle-end/25977
9927 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9928 on the return slot if it's an NRV.
9930 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9932 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9933 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9934 rewrite_use): Do not handle USE_OUTER.
9935 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9936 add_iv_outer_candidates, may_replace_final_value,
9937 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9938 (find_interesting_uses_op): Functionality of
9939 find_interesting_uses_outer_or_nonlin moved here.
9940 (find_interesting_uses_outside): Use find_interesting_uses_op.
9942 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9944 PR target/25960
9945 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9947 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9948 Ulrich Weigand <uweigand@de.ibm.com>
9950 PR target/25864
9951 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9952 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9953 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9954 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9955 and dxr fields.
9956 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9957 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9958 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9959 Define secondary reloads for TFmode moves.
9960 (constant_modes): Add TFmode.
9961 (NR_C_MODES): Set to 8.
9962 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9963 builtin define.
9964 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9965 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9966 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9967 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9968 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9969 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9970 (FPR mode macro): Add TFmode.
9971 (DSF mode macro): New.
9972 (<de>, <dee> mode attributes): Removed.
9973 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9974 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9975 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9976 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9977 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9978 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9979 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9980 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9981 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9982 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9983 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9984 "*negabs<mode>2", "sqrt<mode>2"):
9985 Changed <de> to <xde>. R constraint replaced by <Rf>.
9986 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9987 <Rf>.
9988 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9989 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9990 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9991 splitters.
9992 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9993 "extenddftf2", "extendsftf2"): New expanders.
9994 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9995 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9996 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9997 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9998 New options.
9999 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10000 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10001 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10002 __floatditf): Add a GCC_4.1.0 symbol version tag.
10003 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10004 the new options.
10006 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10008 PR target/25377
10009 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10010 Use targetm.binds_local_p instead of TREE_PUBLIC.
10012 2006-02-02 Roger Sayle <roger@eyesopen.com>
10014 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10015 on INTEGER_TYPEs to indicate that it denotes a character type.
10016 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10017 signed_char_type_node, unsigned_char_type_node and char_type_node.
10018 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10019 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10020 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10022 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10023 Daniel Berlin <dberlin@dberlin.org>
10025 * tree-tailcall.c (arg_needs_copy_p): New function.
10026 (eliminate_tail_call): Use arg_needs_copy_p.
10027 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10028 (add_virtual_phis): New function.
10030 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10032 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10033 #ignore instead of #scratch for %g7 .register directive.
10035 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10037 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10038 object files.
10040 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10042 * flow.c (calculate_global_regs_live): Assert that there aren't any
10043 EDGE_FAKE edges.
10045 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10047 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10048 what its name says.
10049 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10050 bsi_after_labels iterator.
10051 * tree-if-conv.c (find_phi_replacement_condition,
10052 replace_phi_with_cond_modify_expr): Likewise.
10053 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10054 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10056 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10058 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10060 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10062 PR 25990
10063 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10064 array after growing it.
10066 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10068 PR middle-end/24901
10069 * fold-const.c (fold_checksum_tree): Change type of buf.
10071 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10073 * reload.c (push_secondary_reload): Initialize t_icode.
10075 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10077 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10078 -msoft-float -mlong-double-128 only issue a warning, but don't
10079 swich to DFmode long double.
10081 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10083 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10084 has a constant equivalent, iterate over equivalents for arg0,
10085 calling simplify_relational_operation and if there's a result
10086 cheaper than X, apply fold_rtx and return the result.
10088 2006-02-01 Jan Hubicka <jh@suse.cz>
10090 * opts.c (no_unit_at_a_time_default): New global variable.
10091 (decode_options): Use it.
10092 * opts.h (no_unit_at_a_time_default): Declare.
10094 2006-02-01 Paul Brook <paul@codesourcery.com>
10096 * function.c (assign_parm_setup_reg): Use function argument promotion
10097 rules.
10098 * expr.c (expand_expr_real_1): Use function argument promotion rules
10099 for PARM_DECLs.
10101 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10103 * gcc.c (process_command): Change j to 'unsigned int'.
10105 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10107 PR middle-end/26001
10108 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10109 Use the corrected index for the character
10110 out of the string constant.
10112 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10114 * mode-switching.c (optimize_mode_switching): Fix size
10115 allocated for bb_info[n_entities].
10117 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10119 * gcc.c (main): Correct type that is allocated for
10120 explicit_link_files.
10122 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10124 * config/s390/s390.c (init_alignment_context): Set
10125 ALIAS_SET_MEMORY_BARRIER on the MEM.
10126 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10128 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10130 PR middle-end/25933
10131 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10132 dom_bbs pointer.
10133 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10134 call to tpa_init.
10136 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10138 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10139 * regrename.c: Ditto.
10140 * tree-ssa-loop-im.c: Ditto.
10141 * tree-dump.c: Ditto.
10142 * tree-complex.c: Ditto.
10143 * genrecog.c: Ditto.
10144 * tree-ssa-threadupdate.c: Ditto.
10145 * tracer.c: Ditto.
10146 * java/class.c: Ditto.
10147 * java/jcf-parse.c: Ditto.
10148 * java/resource.c: Ditto.
10149 * java/except.c: Ditto.
10150 * java/jvspec.c: Ditto.
10151 * java/jcf-write.c: Ditto.
10152 * java/jcf-path.c: Ditto.
10153 * java/gjavah.c: Ditto.
10154 * java/zextract.c: Ditto.
10155 * java/jcf-io.c: Ditto.
10156 * java/jcf.h: Ditto.
10157 * java/buffer.c: Ditto.
10158 * java/lang.c: Ditto.
10159 * java/parse-scan.y: Ditto.
10160 * java/lex.c: Ditto.
10161 * java/lex.h: Ditto.
10162 * cfgloopmanip.c: Ditto.
10163 * postreload-gcse.c: Ditto.
10164 * tree-ssa-loop-manip.c: Ditto.
10165 * postreload.c: Ditto.
10166 * tree-ssa-loop-ch.c: Ditto.
10167 * loop.c: Ditto.
10168 * ipa-cp.c: Ditto.
10169 * cppspec.c: Ditto.
10170 * diagnostic.c: Ditto.
10171 * final.c: Ditto.
10172 * genoutput.c: Ditto.
10173 * gcc.c: Ditto.
10174 * cfghooks.c: Ditto.
10175 * cfgloopanal.c: Ditto.
10176 * objc/objc-act.c: Ditto.
10177 * gcov.c: Ditto.
10178 * genextract.c: Ditto.
10179 * genautomata.c: Ditto.
10180 * pretty-print.c: Ditto.
10181 * genemit.c: Ditto.
10182 * cgraphunit.c: Ditto.
10183 * flow.c: Ditto.
10184 * df-scan.c: Ditto.
10185 * haifa-sched.c: Ditto.
10186 * dominance.c: Ditto.
10187 * dbxout.c: Ditto.
10188 * tree-ssa-loop-ivopts.c: Ditto.
10189 * df-core.c: Ditto.
10190 * mode-switching.c: Ditto.
10191 * modulo-sched.c: Ditto.
10192 * graph.c: Ditto.
10193 * ipa-pure-const.c: Ditto.
10194 * cse.c: Ditto.
10195 * fix-header.c: Ditto.
10196 * web.c: Ditto.
10197 * tree-stdarg.c: Ditto.
10198 * ipa-utils.c: Ditto.
10199 * loop-init.c: Ditto.
10200 * ipa-inline.c: Ditto.
10201 * cfganal.c: Ditto.
10202 * global.c: Ditto.
10203 * alloc-pool.c: Ditto.
10204 * dwarf2out.c: Ditto.
10205 * opts.c: Ditto.
10206 * genattrtab.c: Ditto.
10207 * tree-ssa-loop-ivcanon.c: Ditto.
10208 * predict.c: Ditto.
10209 * timevar.c: Ditto.
10210 * lcm.c: Ditto.
10211 * fortran/gfortranspec.c: Ditto.
10212 * regmove.c: Ditto.
10213 * local-alloc.c: Ditto.
10214 * langhooks.c: Ditto.
10215 * function.c: Ditto.
10216 * tree-vectorizer.c: Ditto.
10217 * gcse.c: Ditto.
10218 * ipa-type-escape.c: Ditto.
10219 * alias.c: Ditto.
10220 * tree-if-conv.c: Ditto.
10221 * profile.c: Ditto.
10222 * ipa.c: Ditto.
10223 * tree-data-ref.c: Ditto.
10224 * loop-unroll.c: Ditto.
10225 * treelang/treetree.c: Ditto.
10226 * calls.c: Ditto.
10227 * bt-load.c: Ditto.
10228 * ggc-common.c: Ditto.
10229 * except.c: Ditto.
10230 * coverage.c: Ditto.
10231 * cselib.c: Ditto.
10232 * tree-cfgcleanup.c: Ditto.
10233 * tree-ssa-pre.c: Ditto.
10234 * cfgcleanup.c: Ditto.
10235 * loop-invariant.c: Ditto.
10236 * loop-iv.c: Ditto.
10237 * ipa-prop.c: Ditto.
10238 * print-tree.c: Ditto.
10239 * conflict.c: Ditto.
10240 * ggc-page.c: Ditto.
10241 * sched-deps.c: Ditto.
10242 * regclass.c: Ditto.
10243 * tree-object-size.c: Ditto.
10244 * combine.c: Ditto.
10245 * bb-reorder.c: Ditto.
10246 * resource.c: Ditto.
10247 * var-tracking.c: Ditto.
10248 * cfgloop.c: Ditto.
10249 * df-problems.c: Ditto.
10250 * reg-stack.c: Ditto.
10251 * tlink.c: Ditto.
10252 * gccspec.c: Ditto.
10253 * sched-rgn.c: Ditto.
10254 * tree-ssa-structalias.c: Ditto.
10255 * tree-ssa-reassoc.c: Ditto.
10256 * config/darwin-c.c: Ditto.
10257 * config/darwin.c: Ditto.
10258 * config/arm/arm.c: Ditto.
10259 * cfgrtl.c: Ditto.
10260 * collect2.c: Ditto.
10261 * reload1.c: Ditto.
10263 2006-01-31 Nicolas Pitre <nico@cam.org>
10265 * arm.md (smaxsi3): Make aware of smax_m1.
10266 (smax_m1): New.
10268 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10270 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10272 2006-01-31 Richard Guenther <rguenther@suse.de>
10274 * doc/invoke.texi (-msselibm): Document.
10275 * target.h (expand_library_builtin): New target hook.
10276 * builtins.c (expand_builtin): Use expand_library_builtin.
10277 (default_expand_library_builtin): New function.
10278 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10279 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10280 (link_gcc_math_spec): Declare.
10281 (static_specs): Add link_gcc_math_spec.
10282 * expr.h (default_expand_library_builtin): Declare.
10283 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10284 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10285 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10286 * config/i386/i386.opt (msselibm): New target option.
10287 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10288 (ix86_init_sse_abi_builtins): New function.
10289 (ix86_expand_library_builtin): Likewise.
10290 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10291 (override_options): Handle error conditions wrt -msselibm.
10292 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10293 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10294 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10295 builtins.
10297 2006-01-31 Richard Guenther <rguenther@suse.de>
10298 Paolo Bonzini <bonzini@gnu.org>
10300 * doc/install.texi (--disable-libgcc-math): Document.
10302 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10304 * expr.h (expand_normal): new inline function.
10305 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10306 * dojump.c: use it.
10307 * dwarf2out.c: use it.
10308 * expr.c: use it.
10309 * calls.c: use it.
10310 * expmed.c: use it.
10311 * except.c: use it.
10312 * config/sparc/sparc.c: use it.
10313 * config/i386/i386.c: use it.
10314 * config/rs6000/rs6000.c: use it.
10315 * config/arm/arm.c: use it.
10316 * config/mips/mips.c: use it.
10317 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10319 2006-01-30 Roger Sayle <roger@eyesopen.com>
10321 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10322 argv to the appropriate type.
10324 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10326 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10327 unreachable code.
10329 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10331 PR target/26018
10332 * config/s390/s390.c (struct machine_function): New flag
10333 decomposed_literal_pool_addresses_ok_p.
10334 (s390_reorg): Set it before final stage of literal pool transforms.
10335 (s390_decompose_address): Only accept displacements of the form
10336 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10338 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10340 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10341 the comparison routine return.
10343 2006-01-30 Michael Matz <matz@suse.de>
10345 * global.c (find_reg): Only evict for global regs.
10346 Take n_refs into account and dump more info.
10348 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10350 PR target/14798:
10351 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10352 (pragma_trap, pragma_nosave_low_regs): Likewise.
10353 (current_function_anonymous_args): Likewise.
10354 (sh_deferred_function_attributes): New variable.
10355 (sh_deferred_function_attributes_tail): Likewise.
10356 (print_operand): For '@', look up trap_exit attribute.
10357 (calc_live_regs): Look up trapa_handler attribute. For trapa
10358 handlers, save/restore fpscr, but don't do any other
10359 interrupt-specific saves.
10360 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10361 Fix check for partially saved registers to check for SHmedia.
10362 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10363 (sh_output_function_epilogue): Don't clear any of the removed
10364 variables.
10365 (sh_insert_attributes): Don't check pragma_interrupt.
10366 Insert deferred attributes. Check that interrupt attribute is
10367 present for other attributes that require its presence.
10368 (sh_attribute_table): Add new attributes trapa_handler and
10369 nosave_low_regs.
10370 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10371 Don't check for pragma_interrupt. Don't store argument.
10372 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10373 (sh_deferred_function_attributes): Declare.
10374 (sh_deferred_function_attributes_tail): Likewise.
10375 * sh.md (sp_switch_1): Add operand. Change generator caller.
10376 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10377 (*return_i): Don't use when trap_exit attribute is in effect.
10378 (*return_trapa): New insn pattern.
10379 * sh-c.c: New file.
10380 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10381 setting c_target_objs and cxx_target_objs.
10382 * t-sh: Add rule for sh-c.o.
10384 2006-01-30 Richard Guenther <rguenther@suse.de>
10386 PR c++/23372
10387 * gimplify.c (gimplify_target_expr): Handle easy cases
10388 without creating a temporary.
10390 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10392 * vec.h (safe_grow): Remove duplicated line.
10394 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10396 PR 25874
10397 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10398 (expand_omp): ... here.
10399 (expand_omp_parallel): Only remove barriers for combined
10400 parallel+workshare constructs.
10402 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10404 Revert
10406 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10407 * tree.c (build_qualified_type): Chain the new type to the original
10408 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10409 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10410 (build_pointer_type_for_mode): Only return unqualified types.
10411 (build_reference_type_for_mode): Likewise.
10413 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10415 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10416 * Makefile.in (CXX_COMPAT_WARN): Define.
10417 * configure: Regenerate.
10419 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10421 PR tree-opt/25911
10422 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10423 to an if check.
10425 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10427 * toplev.c: Fix thinko.
10429 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10430 Marcin Dalecki <martin@dalecki.de>
10432 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10433 (push_srcloc): Use XNEW.
10434 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10436 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10438 * df-core.c (df_set_blocks): Deleted all variable.
10440 2006-01-28 Ian Lance Taylor <ian@airs.com>
10442 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10443 cgraph_output_pending_asms.
10445 2006-01-28 Zack Weinberg <zackw@panix.com>
10447 * c.opt: Add -W(no-)overlength-strings.
10448 * doc/invoke.texi: Document it.
10449 * c-opts.c (c_common_handle_option): -pedantic implies
10450 -Woverlength-strings, if not explicitly disabled already.
10451 (c_common_post_options): -Woverlength-strings defaults to off, and
10452 is always off for C++.
10453 * c-common.c (fix_string_type): Issue warning about strings longer
10454 than is portable only if warn_overlength_strings. Rearrange code
10455 a little for clarity.
10456 * configure.in: Check for -Wno-overlength-strings as well before
10457 enabling -pedantic in stage 1.
10458 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10459 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10461 * genconditions.c (write_header, write_one_condition)
10462 (write_conditions, write_writer): Consolidate very long strings
10463 that were broken up to fit in C89 portable limit. Don't use
10464 printf when fputs will do.
10466 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10468 * combine.c (simplify_comparison <AND>): Check
10469 TRULY_NOOP_TRUNCATION before start using a subreg.
10471 * config/mips/mips.md (*branch_zero<mode>,
10472 *branch_zero<mode>_inverted, *branch_equality<mode>,
10473 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10474 Remove mode check from comparisons.
10476 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10478 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10480 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10482 * expmed.c (const_mult_add_overflow_p): Remove.
10483 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10485 * recog.c (validate_replace_rtx_subexp): Remove.
10486 * recog.h: Remove the prototype for
10487 validate_replace_rtx_subexp.
10489 * integrate.h: Remove the prototype for
10490 copy_decl_for_inlining.
10491 * rtl.h: Remove the prototype for mark_constant_function.
10492 * tree-vectorizer.h: Remove the prototype for
10493 vect_strip_conversion.
10495 * modulo-sched.c (create_partial_schedule,
10496 free_partial_schedule, reset_partial_schedule): Make them
10497 static.
10499 * hooks.c (hook_bool_rtx_int_false): Remove.
10500 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10502 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10504 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10505 and -mlong-double-128 are incompatible.
10506 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10507 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10508 (TARGET_LIBGCC2_CFLAGS): Define.
10509 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10510 (TARGET_LIBGCC2_CFLAGS): Same.
10511 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10513 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10515 PR c/19606.
10516 * c-typeck.c (build_binary_op): Perform implicit casts of
10517 operands before shortening them.
10519 * cfgloopmanip.c (split_loop_bb): Remove.
10520 * cfgloop.h: Remove the prototype for split_loop_bb.
10522 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10523 * cfgloop.h: Remove the prototype for
10524 flow_loop_outside_edge_p.
10526 * emit-rtl.c (init_virtual_regs): Make it static.
10527 * function.h: Remove the prototype for init_virtual_regs.
10529 * recog.c (peephole2_optimize): Make it static.
10530 * recog.h: Remove the prototype for peephole2_optimize.
10532 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10534 * df-scan.c (df_record_entry_block_defs): Check if
10535 INCOMING_RETURN_ADDR_RTX is defined.
10537 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10538 Kenneth Zadeck <zadeck@naturalbridge.com>
10540 PR rtl-optimization/24762
10541 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10542 * targhooks.c (hook_void_bitmap): New hook prototype.
10543 * targhoohs.h (hook_void_bitmap): Ditto.
10544 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10545 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10546 * target.h (live_on_entry): New function pointer.
10547 * df-scan.c (df_all_hard_regs): Removed.
10548 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10549 (df_scan_free_internal): Added df->entry_block_defs.
10550 (df_scan_alloc): Ditto.
10551 (df_scan_dump): Ditto.
10552 (df_uses_record): Plumbed flag field properly thru calls.
10553 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10554 This part fixes PR24762.
10555 (df_bb_refs_record): Added code to make the frame and arg
10556 pointers live in EH blocks.
10557 (df_refs_record): Added call to df_record_entry_block_defs.
10558 (df_record_entry_block_defs): New function.
10559 * df-core.c: Added comments to describe new artifical defs.
10560 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10561 (entry_block_defs): New field in struct df.
10562 (df_all_hard_regs): Deleted.
10563 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10564 * df-problems.c (df_ru_bb_local_compute_process_def):
10565 Added code to handle artifical defs in the entry to a function.
10566 (df_ru_bb_local_compute): Ditto.
10567 (df_rd_bb_local_compute_process_def): Ditto.
10568 (df_rd_bb_local_compute): Ditto.
10569 (df_lr_bb_local_compute): Ditto.
10570 (df_ur_bb_local_compute): Ditto.
10571 (df_urec_bb_local_compute): Ditto.
10572 (df_chain_create_bb): Ditto.
10573 (df_ur_local_finalize): Removed entry.
10574 (df_urec_init): Ditto.
10575 (df_urec_local_finalize): Ditto.
10576 (df_ri_bb_compute): Added detection of last use of pseudos.
10577 * Makefile.in (df-scan.o): Updated dependencies.
10578 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10579 * config/mips/mips.c (mips_set_live_on_entry): Added.
10580 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10581 for target hook.
10582 * dce.c (marked_insn_p): Added code to handle artifical defs.
10584 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10586 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10587 intrinsic.
10588 (_mm_cvtsi128_si64): Likewise.
10589 (_mm_cvtsd_si64): Likewise.
10590 (_mm_cvttsd_si64): Likewise.
10591 (_mm_cvtsi64_sd): Likewise.
10592 (_mm_cvtsi64_si128): Likewise.
10593 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10594 (_mm_cvtsi64_m64): Likewise.
10595 (_m_to_int64): Likewise.
10596 (_mm_cvtm64_si64): Likewise.
10597 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10598 (_mm_cvttss_si64): Likewise.
10599 (_mm_cvtsi64_ss): Likewise.
10600 (_mm_cvtss_f32): Likewise.
10602 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10604 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10605 for pragma redefine_extname.
10607 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10609 PR target/25864
10610 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10611 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10612 -mno-minimal-toc to previous content.
10613 (bispecs): Remove goal.
10614 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10615 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10616 compatibility aliases on powerpc-*-*gnu*.
10617 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10618 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10619 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10620 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10621 (ldblspecs): New goal.
10622 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10623 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10624 _df_to_tf.
10625 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10626 L_sf_to_tf or L_df_to_tf is defined.
10628 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10629 Alan Modra <amodra@bigpond.net.au>
10631 PR target/25864
10632 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10633 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10634 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10635 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10636 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10637 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10638 (rs6000_override_options): Initialize rs6000_ieeequad.
10639 Initialize TFmode format to ibm_extended_format if not
10640 TARGET_IEEEQUAD.
10641 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10642 ieeelongdouble.
10643 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10644 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10645 (function_arg_advance): IBM long double passed in two FPRs, not
10646 split.
10647 (function_arg): IBM long double passed in FPRs.
10648 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10649 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10650 Only multireg GPR aligned.
10651 (rs6000_init_libfuncs): Enable IBM long double functions if not
10652 IEEEQUAD.
10653 (rs6000_generate_compare): Use IBM long double compare if not
10654 TARGET_IEEEQUAD.
10655 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10656 (TARGET_IEEEQUAD): Define.
10657 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10658 not TARGET_IEEEQUAD.
10659 * config/rs6000/rs6000.md: Enable TFmode patterns if
10660 !TARGET_IEEEQUAD.
10661 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10662 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10663 and -mlong-double-128 are incompatible.
10664 * doc/invoke.texi (-mabi): Collect options together. Add
10665 ibmlongdouble and ieeelongdouble.
10667 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10669 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10670 opaque type.
10671 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10672 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10673 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10674 * rtl.h (rtunion_def): Remove rt_ptr.
10675 (X0PTR): Delete.
10676 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10677 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10678 * config/i386/winnt.c (i386_pe_mark_dllexport)
10679 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10681 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10683 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10685 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10687 PR other/24829
10688 PR target/24831
10689 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10690 pthread_key_delete. From John David Anglin. gthrw-ify
10691 pthread_getunique_np only if it it's not a macro. Delete
10692 UNUSED macro.
10693 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10694 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10695 __gthread_objc_condition_signal, __gthread_key_delete): Add
10696 "__attribute__ ((__unused__))" to unused arguments.
10697 (__gthread_recursive_mutex_init_function): Add missing return.
10698 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10699 gthr-posix95.h: Use macro-based approach for name redirection
10700 on targets missing weakref.
10702 2006-01-26 Zack Weinberg <zackw@panix.com>
10704 * genconditions.c (write_header): In generated code, #ifdef out
10705 all includes and fake declarations, except includes of bconfig.h
10706 and system.h, unless GCC_VERSION >= 3001. Do not include
10707 gensupport.h in any case.
10708 (write_conditions): Generate a definition of struct c_test. Add
10709 a comment to the generated #endif.
10710 (write_one_condition): Escape backslashes in string too.
10711 (write_writer): Generated code must escape backslashes and quote
10712 marks (but not newlines) in the strings it writes.
10713 * Makefile.in (build/gencondmd.o): Update dependencies.
10715 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10717 PR target/25961
10718 * Makefile.in (insn-automata.o): Add header file dependencies.
10719 * genautomata.c: Add includes.
10721 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10723 PR target/25961
10724 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10726 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10728 * configure.ac: Expect target tools paths to be passed from the toplevel
10729 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10730 AS_SET_VAR_IF.
10731 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10733 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10735 PR c/25892
10736 * c.opt (Wpointer-sign): Init to -1.
10737 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10738 OPT_pedantic, to 0 otherwise.
10739 * doc/invoke.texi: Update.
10741 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10743 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10744 constants provided by 80387 instructions in the destination mode.
10746 2006-01-26 Richard Guenther <rguenther@suse.de>
10747 Andrew Pinski <pinskia@physics.uc.edu>
10749 PR tree-opt/21470
10750 partial PR tree-opt/17064
10751 * tree-ssa-structalias.c (intra_create_variable_infos):
10752 Create heap variables for incoming parameters if
10753 flag_argument_noalias > 1.
10754 (find_what_p_points_to): Look through default defs of
10755 parameter decls.
10757 2006-01-26 Jeff Law <law@redhat.com>
10759 PR ada/25900
10760 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10761 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10762 within the VR_RANGE, use the VR_RANGE as the result, not the
10763 VR_ANTI_RANGE.
10764 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10765 bounds for the type.
10767 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10769 * tree-ssa-alias.c (maybe_create_global_var): Change
10770 subvar walking to an assertion that we don't have subvar'd variables.
10772 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10774 PR C/25861
10775 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10776 Use a new variable, inner. PARM_DECLs are always non-weak.
10778 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10780 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10781 --disable-checking.
10783 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10785 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10787 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10789 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10790 (smax_insn, smin_insn, smax_0, smin_0): New.
10792 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10794 PR target/25947
10795 * config/cris/cris.c (cris_order_for_addsi3): New function.
10796 * config/cris/cris-protos.h: Prototype it.
10797 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10798 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10799 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10800 (split for "op.S1 [rx=rx+i],ry (swapped)")
10801 (split for "op(s|u).S1 [rx=rx+i],ry")
10802 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10803 Apply cris_order_for_addsi3 when generating addsi3 insns.
10805 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10807 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10808 (TREE_BLOCK): Add call to EXPR_CHECK.
10810 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10812 PR 25886
10813 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10814 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10815 (dump_omp_clauses): ... here.
10816 (dump_generic_node): Handle OMP_CLAUSE.
10817 * tree.c (omp_clause_num_ops): New.
10818 (omp_clause_code_name): New.
10819 (tree_code_size): Handle OMP_CLAUSE.
10820 (tree_size): Likewise.
10821 (make_node): Document handling of OMP_CLAUSE.
10822 (tree_node_structure): Handle OMP_CLAUSE.
10823 (omp_clause_check_failed): New.
10824 (omp_clause_range_check_failed): New.
10825 (omp_clause_operand_check_failed): New.
10826 (build_omp_clause): New.
10827 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10828 * tree.h (enum omp_clause_code): Declare.
10829 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10830 (OMP_CLAUSE_RANGE_CHECK): Define.
10831 (OMP_CLAUSE_ELT_CHECK): Define.
10832 (omp_clause_check_failed): Declare.
10833 (omp_clause_operand_check_failed): Declare.
10834 (omp_clause_range_check_failed): Declare.
10835 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10836 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10837 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10838 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10839 (OMP_CLAUSE_IF_EXPR): Likewise.
10840 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10841 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10842 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10843 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10844 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10845 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10846 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10847 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10848 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10849 (OMP_CLAUSE_CODE): Define.
10850 (OMP_CLAUSE_SET_CODE): Define.
10851 (OMP_CLAUSE_CODE): Define.
10852 (OMP_CLAUSE_OPERAND): Define.
10853 (struct tree_omp_clause): Declare.
10854 (union tree_node): Add field 'omp_clause'.
10855 * treestruct.def (TS_OMP_CLAUSE): Define.
10856 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10857 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10858 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10859 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10860 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10861 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10862 (OMP_CLAUSE): Define.
10863 * print-tree.c (print_node): Handle OMP_CLAUSE.
10864 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10865 * c-typeck.c: Likewise.
10866 * gimplify.c: Likewise.
10867 * c-omp.c: Likewise.
10868 * tree-nested.c: Likewise.
10869 * tree-inline.c: Likewise.
10870 * c-parser.c: Likewise.
10871 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10872 clauses.
10874 2006-01-25 Roger Sayle <roger@eyesopen.com>
10876 PR rtl-optimization/25703
10877 * combine.c (try_combine): Handle zero_extract and strict_low_part
10878 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10880 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10882 * global.c: Fix comment typos.
10884 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10886 PR target/25758
10887 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10888 Use output_addr_const instead of assemble_name.
10890 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10892 * Makefile.in (sched-vis.o): Update dependencies.
10893 * haifa-sched.c (sched_finish): Clear current_sched_info.
10894 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10895 (dump_flow_info): Call it.
10896 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10897 a slim RTL dump.
10898 * basic-block.h (dump_bb_info): Declare.
10899 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10900 option, and apply options only for dump files whose TDF_RTL,
10901 TDF_TREE, or TDF_IPA bits match.
10902 * rtl.h: Declare new functions exported from sched-vis.c.
10903 * sched-vis.c: Enable also if scheduling is not used.
10904 (print_value): Print the mode of registers if not inside scheduling.
10905 (print_insn): Make it work outside the scheduler. Beautify the output
10906 a bit.
10907 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10909 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10911 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10912 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10913 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10914 depending on the value of CONSTANT_POOL_ADDRESS_P.
10915 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10916 SYMBOL_REF_DECL.
10917 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10918 rather than SYMBOL_REF_DECL.
10919 (rtx_constant_pool): Remove const_rtx_sym_htab.
10920 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10921 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10922 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10923 Remove handling of const_rtx_sym_htab.
10924 (find_pool_constant): Delete.
10925 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10926 rather than find_pool_constant.
10927 (get_pool_constant_for_function): Delete.
10928 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10929 find_pool_constant.
10930 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10931 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10932 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10933 (SYMBOL_REF_CONSTANT): New macro.
10934 (get_pool_constant_for_function): Delete.
10935 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10936 rather than SYMBOL_REF_DECL.
10937 (i386_pe_mark_dllimport): Likewise.
10938 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10939 rather than SYMBOL_REF_DECL.
10940 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10941 (machopic_indirect_call_target): Likewise.
10943 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10945 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10947 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10949 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10951 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10953 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10955 2006-01-24 David Daney <ddaney@avtrex.com>
10957 PR java/25816
10958 * configure.ac (enable_tls): New enable option.
10959 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10960 * configure: Regenerate.
10961 * doc/install.texi (--enable-tls): Document new option.
10962 (--disable-tls): Ditto.
10964 2006-01-24 Richard Henderson <rth@redehat.com>
10966 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10967 * alias.c (true_dependence): Respect it.
10968 (canon_true_dependence, write_dependence_p): Likewise.
10969 * builtins.c (get_builtin_sync_mem): Set it.
10971 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10973 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10974 efficient way.
10976 2006-01-24 DJ Delorie <dj@redhat.com>
10978 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10979 for storing constants in single-bit bitfields.
10981 2006-01-25 Ben Elliston <bje@au.ibm.com>
10983 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10985 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10987 PR tree-opt/25860
10988 * tree-ssa-pre.c (phi_translate): Return NULL
10989 for AGGREGATE_TYPE's.
10991 2006-01-24 Zack Weinberg <zackw@panix.com>
10993 * genautomata.c (process_state_for_insn_equiv_partition):
10994 Use xcalloc for insn_arcs_array.
10995 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10996 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10998 2006-01-24 Richard Henderson <rth@redhat.com>
11000 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11001 update all callers.
11003 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11005 PR rtl-optimization/25890
11006 PR rtl-optimization/25905
11007 * combine.c (expand_compound_operation, expand_field_assignment):
11008 Fail if the bitfield's final position is out of bounds.
11010 2006-01-24 Ian Lance Taylor <ian@airs.com>
11012 PR middle-end/25930
11013 * cgraphunit.c (cgraph_output_in_order): Don't clear
11014 cgraph_asm_nodes until after asm strings have been output.
11016 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11018 * fix-header.c (read_scan_file): Add new parameter imultilib when
11019 calling register_include_chains.
11021 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11023 * omp-low.c: Update documentation.
11025 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11026 Daniel Berlin <dberlin@dberlin.org>
11028 PR tree-opt/25315
11029 PR tree-opt/25857
11030 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11031 return from the function.
11033 2006-01-22 Zack Weinberg <zackw@panix.com>
11035 * rtl.def (match_code): Add second argument.
11036 * genpreds.c (write_extract_subexp): New function.
11037 (write_match_code): Add path argument. Use write_extract_subexp.
11038 (write_predicate_expr): Pass path to write_match_code.
11039 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11040 not perform a mode test.
11041 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11042 a subexpression does not constrain the top-level code set.
11043 * read-rtl.c (read_rtx_variadic): New function.
11044 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11045 * doc/md.texi: Document new notation.
11046 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11047 (cmpsi_operand): ... here, using new notation.
11049 2006-01-22 Zack Weinberg <zackw@panix.com>
11051 * varray.c: Remove GENERATOR_FILE #ifdefs.
11053 2006-01-22 Zack Weinberg <zackw@panix.com>
11055 * genautomata.c (output_reserved_units_table): Emit nothing if
11056 description->query_units_num is zero. Remove extra blank line.
11057 (output_cpu_unit_reservation_p): Short circuit
11058 if description->query_units_num is zero.
11060 2006-01-22 Zack Weinberg <zackw@panix.com>
11062 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11063 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11064 nor any of the random handful of variables that used to be necessary
11065 when this program was linked with rtlanal.o. Prune set of forward
11066 function declarations.
11067 (struct attr_desc): Remove static_p field.
11068 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11069 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11070 (attr_string): Do not read the character one past the length of
11071 the string.
11072 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11073 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11074 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11075 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11076 (make_automaton_attrs): New.
11077 (main): Do not call into genautomata. Call local gen_bypass
11078 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11079 Remove special case for insn_alts.
11080 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11081 varray.h (leftover from previous change). Prune set of forward
11082 function declarations. Remove state_alts fields from all
11083 structures. Remove state_alts_table from struct automaton.
11084 Make everything except main static. Do not maintain num_dfa_decls.
11085 Do not maintain state_alts fields of various structures.
11086 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11087 (add_arc): Remove state_alts argument. All callers updated.
11088 (output_reserved_units_table): Emit #ifdef here...
11089 (output_tables): ...not here. Don't generate state_alts tables.
11090 (expand_automata): Don't generate attributes.
11091 (write_automata): Don't generate state_alts functions.
11092 (main): New function.
11093 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11094 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11095 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11096 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11097 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11098 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11099 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11100 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11101 Delete.
11102 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11103 * genattrtab.h: Delete file.
11104 * Makefile.in (OBJS-common): Add insn-automata.o.
11105 (insn-automata.o): New rule.
11106 (simple_generated_c): Add insn-automata.c.
11107 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11108 (genprogmd): Add automata.
11109 (build/genattrtab): Needs no extra objects nor libraries.
11110 (build/genautomata): Needs build/vec.o and -lm.
11112 2006-01-22 Zack Weinberg <zackw@panix.com>
11114 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11115 (output_dfa_max_issue_rate, locked_states_num): Delete.
11116 (struct automaton): Add locked_states field.
11117 (output_dead_lock_vect): Save number of locked states in
11118 automaton->locked_states. If it is zero, don't print anything.
11119 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11120 (output_internal_dead_lock_func): Only test the dead_lock_vect
11121 for automata that have locked states.
11122 (output_statistics): Always print the number of locked states for
11123 each automaton. Calculate total number of locked states here.
11124 (write_automata): Don't call output_dfa_max_issue_rate.
11125 * genattrtab.c: Define length_unit_log as a const variable.
11126 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11127 max_insn_queue_index const.
11128 * final.c (length_unit_log): Declare const.
11129 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11131 2006-01-22 Zack Weinberg <zackw@panix.com>
11133 * genautomata.c: Include vec.h, not varray.h.
11134 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11135 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11136 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11137 VEC_* macros operating on appropriately typed vectors, or to
11138 malloced arrays when the size is known in advance. Const-ify
11139 many char* variables and function arguments. No functional changes.
11140 * Makefile.in (build/varray.o): Delete rule.
11141 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11142 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11144 2006-01-22 Zack Weinberg <zackw@panix.com>
11146 * gensupport.c: Define get_insn_name and record_insn_name here.
11147 (read_md_rtx): Call record_insn_name as appropriate.
11148 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11149 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11150 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11151 record_insn_name.
11152 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11153 (BUILD_VARRAY): Delete.
11154 (genprognormal): Rename genprogmd. Fold in all programs from
11155 genprognoprint; also attrtab.
11156 (build/genattrtab): Just mention genautomata.o and varray.o.
11157 Reorganize a bit, add comments to make the categories clearer.
11159 2006-01-22 Zack Weinberg <zackw@panix.com>
11161 * genconditions.c (condition_table, add_condition): Delete.
11162 (write_conditions): Don't emit n_insn_conditions nor
11163 insn_elision_unavailable. Issue the gcc version #ifdef here,
11164 inside the table, with no #else clause ...
11165 (write_header): ...not here.
11166 (write_writer): New function.
11167 (main): Don't initialize condition_table. Use add_c_test.
11168 Call write_writer.
11169 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11170 files on the command line.
11171 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11172 Return -1 if there is no entry in the table, don't abort.
11173 (add_c_test, traverse_c_tests): New functions.
11174 * gensupport.h (insn_elision_unavailable, insn_conditions)
11175 (n_insn_conditions): Delete declarations.
11176 (add_c_test, traverse_c_tests): Declare.
11177 * read-rtl.c: Include gensupport.h.
11178 (read_conditions): New function.
11179 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11180 (read_rtx_1): If we get EOF when we were looking for an initial
11181 open paren, return 0. Call read_conditions when appropriate.
11182 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11183 dummy-conditions.o. Eliminate references to insn-conditions.o,
11184 or change them to build/gencondmd.o, as appropriate. Remove
11185 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11186 from $(simple_generated_c). For all files remaining in those
11187 two lists, add insn-conditions.md to the generator command line.
11188 Give insn-constants.h/s-constants their own rules. Add rules
11189 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11190 (build/read-rtl.o): Depend on gensupport.h.
11191 (genprognormal): Include preds.
11192 (genprogearly): Rename genprognoprint; only difference is now that
11193 they don't link with $(BUILD_PRINT).
11194 * dummy-conditions.c: Delete.
11196 2006-01-22 Zack Weinberg <zackw@panix.com>
11198 * genextract.c: Don't include insn-config.h. Do include vec.h.
11199 Declare vectors of int, char, and locstr.
11200 (locstr): New typedef.
11201 (struct extraction): Make all array fields into bare pointers.
11202 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11203 (insn_code_number): Delete.
11204 (accum_extract): New struct.
11205 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11206 (gen_insn): Take insn_code_number as an argument. Use an
11207 accum_extract structure instead of loading data directly into
11208 a struct extraction, and having to know how big it might get.
11209 (walk_rtx): Operate entirely on an accum_extract structure.
11210 (print_path): Avoid unnecessary use of printf.
11211 (print_header): New function, split out of main. Distinguish
11212 more carefully between an unrecognizable insn and an insn that
11213 has the code number of a define_expand.
11214 (main): Pass insn_code_number to gen_insn. Call print_header
11215 only after parsing. Avoid unnecessary use of printf.
11216 * Makefile.in (build/vec.o): New rule.
11217 (build/genextract): Depend on build/vec.o.
11218 (build/genextract.o): Don't depend on insn-config.h.
11220 2006-01-22 Zack Weinberg <zackw@panix.com>
11222 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11223 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11224 practical. Eliminate per-generator-program link rules.
11226 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11228 PR middle-end/24437
11229 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11230 with a call expr to ...
11231 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11233 2006-01-23 Richard Guenther <rguenther@suse.de>
11235 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11236 before make_edge with conditional EDGE_TRUE_VALUE.
11238 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11239 Jan Hubicka <jh@suse.cz>
11240 Richard Guenther <rguenther@suse.de>
11242 PR rtl-optimization/25654
11243 * cfgexpand.c (aggregate_contains_union_type): New function.
11244 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11245 for structure variables that contain a union type.
11247 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11249 * gengtype.c (new_structure): Return the structure.
11250 (create_option): Add an extra "next" argument.
11251 (create_field): New function.
11252 (adjust_field_rtx_def): Use create_option and create_field.
11253 Remove a now-unnecessary call to find_structure.
11254 (adjust_field_tree_def): Likewise.
11255 (note_yacc_type): Remove an unnecessary call to find_structure.
11256 * gengtype.h (new_structure): Return the structure.
11257 (create_option): Add an extra argument.
11258 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11259 (option): Adjust calls to create_option.
11261 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11263 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11265 2006-01-22 Paul Brook <paul@codesourcery.com>
11266 Peter Barada <peter@the-baradas.com>
11268 * config/m68k/m68k.md: Add Coldfire FPU support.
11269 Define FP mode macro and associated attributes.
11270 Use it for float mode patterns.
11271 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11272 (LIBCALL_VALUE): Use m68k_libcall_value.
11273 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11274 (m68k_function_value): Ditto.
11275 (emit_move_sequence): Ditto.
11276 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11277 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11278 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11279 (MULTILIB_EXCEPTIONS): Ditto.
11280 * config/m68k/m68k.opt: Add mcfv4e.
11281 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11282 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11283 (m68k_output_function_prologue): Save ColdFire FPU registers.
11284 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11285 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11286 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11287 ColdFire FPU registers.
11288 (m68k_libcall_value, m68k_function_value): New functions.
11289 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11290 (LIBCALL_VALUE): Use m68k_libcall_value.
11291 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11292 (MASK_COLDFIRE): Add MASK_CFV4E.
11293 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11294 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11295 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11296 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11297 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11298 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11299 * doc/invoke.tex: Document -mcfv4e on m68k.
11301 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11303 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11304 URL.
11306 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11308 PR c++/16190
11309 * c-opts.c (c_common_handle_option): Don't include
11310 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11311 * doc/invoke.texi (C++ Dialect Options): Document that
11312 -Wnon-virtual-dtor is no longer included in -Wall.
11314 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11316 * gcov.c (print_version), gcov-dump.c (print_version),
11317 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11318 dates.
11320 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11322 * df-scan.c (problem_SCAN): Added NULL reset function.
11323 (df_scan_reset_blocks): Added code to call reset block function
11324 (df_bb_refs_delete) Fixed comment.
11325 (df_insn_refs_delete): Made tolerant of deleting non existent info
11326 for dataflow problems that need to be reset.
11327 * df-core.c (df_set_blocks): Ditto.
11328 * df.h (struct df_problem): Added reset_fun.
11329 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11330 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11331 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11332 functions to clear out all references to def-use or use-def chains.
11334 2006-01-21 Ben Elliston <bje@au.ibm.com>
11336 * varasm.c (assemble_real): Initialise data array.
11338 2006-01-20 Paul Brook <paul@codesourcery.com>
11340 Merge from csl-arm-branch.
11341 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11342 * config/arm/arm.md (movdi): Force operands[1] to a register
11343 if we have a non-register source.
11344 (*arm_movdi, *movdf_soft_insn): Require that one of the
11345 operands be a register.
11346 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11347 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11349 2006-01-20 DJ Delorie <dj@redhat.com>
11351 * varasm.c (initializer_constant_valid_p): Allow pointers
11352 initialized from integer constants of lesser precision.
11353 (output_constant): Allow non-int-sized pointer modes to be
11354 initialized from integer constants.
11356 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11358 PR libstdc++/25524
11359 * cppdefault.h (struct default_include): Add multilib flag.
11360 * cppdefault.c (cpp_include_defaults): Set it.
11361 * c.opt (-imultilib): New option.
11362 * c-opts.c (imultilib): New.
11363 (c_common_handle_option): Handle -imultilib.
11364 (c_common_post_options): Likewise.
11365 * c-incpath.c (add_standard_paths, register_include_chains):
11366 Likewise.
11367 * c-incpath.h (register_include_chains): Add extra parameter.
11368 * gcc.c (do_spec_1): Generate -imultilib option.
11369 (The Specs Language): Update %I description.
11370 (process_command): Update copyright notice.
11371 * doc/cppopts.texi (-imultilib): Document.
11372 * doc/invoke.texi (-imultilib): Include in option summary.
11373 (%I): Update specs documentation.
11375 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11377 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11379 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11381 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11382 label numbers.
11384 2006-01-20 Richard Guenther <rguenther@suse.de>
11385 Steven Bosscher <stevenb.gcc@gmail.com>
11387 PR rtl-optimization/24626
11388 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11389 EDGE_TRUE_VALUE if in RTL mode.
11391 Revert
11392 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11393 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11395 2006-01-20 Dirk Mueller <dmueller@suse.com>
11397 PR c++/5520
11398 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11399 instead of a special NOP marker.
11400 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11401 NOP marker handling.
11402 * c-common.h (empty_body_warning): Add forward declaration.
11403 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11404 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11406 2006-01-20 Paul Brook <paul@codesourcery.com>
11408 * Makefile.in (lang_checks): Keep going if mkdir fails.
11410 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11412 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11413 be able to clean out basic block when not necessary.
11414 (df_scan_free): Fixed to properly delete information if df is
11415 unused before calling df_finish.
11416 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11417 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11418 or comment typos.
11419 (df_bb_refs_delete): New function.
11420 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11421 * df-core.c (df_set_blocks): Added code to properly clean out
11422 unused blocks if they are not part of the blocks to consider.
11423 Added additional null check.
11424 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11425 be able to clean out basic block when not necessary
11426 * df.h (df_free_bb_function): Ditto.
11427 (df_bb_refs_delete): New function.
11428 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11429 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11430 basic block parameter to be able to clean out basic block when not
11431 necessary.
11432 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11433 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11434 Fixed to properly delete information if df is unused before
11435 calling df_finish.
11437 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11439 PR rtl-optimization/25799
11440 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11441 Corrected confluence operator to remove bits from op2 before oring
11442 with op1 rather than removing bits from op1.
11443 (df_ru_transfer_function): Corrected test on wrong bitmap which
11444 caused infinite loop. Both of these problems were introduced in
11445 the dataflow rewrite.
11447 2006-01-19 DJ Delorie <dj@redhat.com>
11449 * reload1.c (find_reload_regs): Note the details of reload
11450 failures in the dump file.
11451 (spill_failure): Likewise.
11453 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11455 * loop-iv.c: Include df.h and hashtab.h.
11456 (enum iv_grd_result): New enum.
11457 (DF_REF_IV, DF_REF_IV_SET): New macros.
11458 (struct biv_entry): New.
11459 (df, bivs): New global variables.
11460 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11461 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11462 Removed.
11463 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11464 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11465 analyzed_for_bivness_p, record_biv): New functions.
11466 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11467 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11468 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11469 UD chains.
11470 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11471 analysed.
11472 (iv_number_of_iterations): Use new interface to iv analysis.
11473 * loop-unroll.c: Do not include varray.h.
11474 (analyze_iv_to_split_insn): Use new interface to iv
11475 analysis.
11476 * loop-unswitch.c (may_unswitch_on): Ditto.
11477 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11478 allocated.
11479 (df_bb_modify): Realloc tables to the new index.
11480 (df_find_use): New function.
11481 * df.h (df_find_use): Declare.
11482 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11483 outmode.
11484 * cfgloop.h (struct rtx_iv): Remove analysed field.
11485 (iv_get_reaching_def): Removed.
11486 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11487 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11488 (loop-iv.o): Add df.h and hashtab.h dependency.
11489 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11491 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11493 PR target/25668
11494 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11495 Double TFmode.
11496 (__floatundisf, __floatundidf): Likewise.
11497 * libgcc2.h (IS_IBM_EXTENDED): Define.
11499 2006-01-19 DJ Delorie <dj@redhat.com>
11501 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11503 2006-01-19 Paul Brook <paul@codesourcery.com>
11505 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11506 as nothrow when unwinding tables are disabled.
11508 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11510 PR testsuite/25171
11511 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11512 of bit-field" when in system header.
11514 2006-01-19 DJ Delorie <dj@redhat.com>
11516 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11517 the 16 bit shift limit of the m16c.
11519 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11521 PR target/22099
11522 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11523 * config/i386/i386.c (output_set_got): Output the label if we have one
11524 for the TARGET_DEEP_BRANCH_PREDICTION case.
11526 2006-01-19 Jan Hubicka <jh@suse.cz>
11527 H.J. Lu <hongjiu.lu@intel.com>
11528 Evandro Menezes <evandro.menezes@amd.com>
11530 * invoke.texi (generic): Document
11531 (i686) Update.
11532 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11533 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11534 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11535 (x86_use_incdec, x86_pad_returns): New variables
11536 (TARGET_CPU_DEFAULT_generic): New constant
11537 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11538 (enum processor_type): Add generic32 and generic64.
11539 * i386.md (cpu attribute): Add generic32/generic64
11540 (movhi splitter): Behave sanely when both partial_reg_dependency and
11541 partial_reg_stall are set.
11542 (K8 splitters): Enable for generic as well.
11543 * predicates.md (incdec_operand): Use TARGET_INCDEC
11544 (aligned_operand): Avoid memory mismatch stalls.
11545 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11546 * ppro.md: Enable for generic32
11547 * i386.c (generic64_cost, generic32_cost): New.
11548 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11549 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11550 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11551 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11552 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11553 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11554 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11555 x86_accumulate_outgoing_args, x86_prologue_using_move,
11556 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11557 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11558 Enable for generic.
11559 (x86_use_incdec, x86_pad_returns): New.
11560 (override_options): Add generic32 and generic64, translate "generic"
11561 to generic32/generic64 and "i686" to "generic32", refuse
11562 "generic32"/"generic64" as arch target.
11563 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11564 (ix86_reorg): Honor PAD_RETURNS.
11566 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11568 * tree-pretty-print.c (dump_generic_node): Handle
11569 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11570 * cgraph.c (cgraph_expand_queue): Rename from
11571 cgraph_analyze_queue. Update all users.
11572 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11573 cgraph_expand_queue.
11574 (cgraph_expand_all_functions): Likewise.
11575 (cgraph_finalize_pending_functions): Remove. Update callers.
11577 * tree.h (OMP_DIRECTIVE_P): Define.
11578 (OMP_PARALLEL_FN): Define.
11579 (OMP_PARALLEL_DATA_ARG): Define.
11580 (OMP_SECTIONS_SECTIONS): Define.
11581 * tree-pass.h (pass_expand_omp): Declare.
11582 * omp-low.c (struct omp_region): Declare.
11583 (struct omp_context): Remove fields 'parallel_type',
11584 'parallel_start_ix' and 'parallel_start_additional_args'.
11585 Update all users.
11586 (struct omp_for_data): Rename from struct expand_omp_for_data.
11587 (omp_regions): New static variable.
11588 (root_omp_region): New static variable.
11589 (find_omp_clause): Make static.
11590 (is_in_combined_parallel_ctx): Remove.
11591 (is_combined_parallel): New.
11592 (extract_omp_for_data): Move earlier in the file.
11593 (workshare_safe_to_combine_p): New.
11594 (get_ws_args_for): New.
11595 (determine_parallel_type): Move earlier in the file.
11596 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11597 child function.
11598 (omp_copy_decl): Likewise.
11599 (create_omp_child_function): Likewise.
11600 (lookup_omp_region): New.
11601 (dump_omp_region): New.
11602 (debug_omp_region): New.
11603 (debug_all_omp_regions): New.
11604 (new_omp_region): New.
11605 (scan_omp_parallel): If parallel_nesting_level > 1, the
11606 directive is nested within another parallel directive.
11607 Set OMP_PARALLEL_FN.
11608 (scan_omp_for): Do not try to handle combined parallel+for
11609 cases.
11610 Remove FIXME comment.
11611 (scan_omp_nested): Remove.
11612 (scan_omp_1): Do not call scan_omp_nested when
11613 parallel_nesting_level is > 1.
11614 Do not change the DECL_CONTEXT of local variables found.
11615 (lookup_decl_in_outer_ctx): New.
11616 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11617 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11618 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11619 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11620 If CTX is nested, lookup VAR in the outer context when
11621 building copy assignment.
11622 (lower_send_clauses): Rename from expand_send_clauses.
11623 If CTX is nested, lookup VAR in the outer context when
11624 building copy assignments.
11625 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11626 If CTX is nested, lookup VAR in the outer context when
11627 building copy assignments.
11628 (expand_parallel_call): Rename from build_parallel_call.
11629 Handle combined parallel+workshare cases.
11630 Re-implement to emit code into the CFG.
11631 (list2chain): New.
11632 (expand_omp_parallel): Re-implement to emit code into the CFG.
11633 Call move_sese_region_to_fn to outline the sub-graph
11634 containing the parallel region.
11635 (expand_omp_for_1): Remove.
11636 (expand_omp_for_generic): Re-implement to emit code into the
11637 CFG.
11638 (expand_omp_for_static_nochunk): Likewise.
11639 (expand_omp_for_static_chunk): Likewise.
11640 (expand_omp_for): Likewise.
11641 (expand_omp_sections): Likewise.
11642 (remove_exit_barriers): New.
11643 (expand_omp_synch): New.
11644 (expand_omp): New.
11645 (build_omp_regions_1): New.
11646 (build_omp_regions): New.
11647 (execute_expand_omp): New.
11648 (gate_expand_omp): New.
11649 (pass_expand_omp): Define.
11650 (lower_omp_sections): Rename from expand_omp_sections.
11651 Set OMP_SECTIONS_SECTIONS.
11652 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11653 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11654 (lower_omp_single): Rename from expand_omp_simple.
11655 (lower_omp_master): Rename from expand_omp_master.
11656 (lower_omp_ordered): Rename from expand_omp_ordered.
11657 (lower_omp_critical): Rename from expand_omp_critical.
11658 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11659 (lower_omp_for): Re-implement.
11660 (lower_omp_parallel): Re-implement.
11661 (lower_regimplify): Rename from expand_regimplify.
11662 (lower_omp_1): Rename from expand_omp_1.
11663 If there are syntax errors in the program, replace every
11664 OpenMP directive with NOP.
11665 Call lower_omp_* instead of expand_omp_*.
11666 (lower_omp): Rename from expand_omp.
11668 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11669 * tree-gimple.h (enum omp_parallel_type): Remove.
11670 (gimple_boolify): Declare extern.
11671 (find_omp_clause, determine_parallel_type): Remove.
11673 * gimple-low.c (lower_omp_directive): New.
11674 (lower_stmt): Call it.
11675 (record_vars_into): Move from ...
11676 (record_vars): ... here.
11677 Call record_vars_into with current_function_decl.
11679 * gimplify.c (struct gimplify_ctx): Remove fields
11680 combined_pre_p and combined_ctxp. Update users.
11681 (get_formal_tmp_var): Add documentation.
11682 (gimple_boolify): Make extern.
11683 (gimplify_expr_in_ctx): Remove. Update callers.
11684 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11685 will always be a BIND_EXPR.
11686 (gimplify_expr): Handle OMP_RETURN_EXPR.
11687 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11688 (OMP_PARALLEL): Add 3 operands.
11689 (OMP_SECTIONS): Add 1 operand.
11690 (OMP_RETURN_EXPR): Define.
11692 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11693 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11694 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11695 creating a circular free list.
11696 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11698 * tree-flow.h (move_sese_region_to_fn): Declare.
11699 (record_vars_into): Declare.
11700 * tree-cfg.c (make_omp_sections_edges): New.
11701 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11702 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11703 OMP_SECTIONS and OMP_SECTION.
11704 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11705 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11706 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11707 (gather_blocks_in_sese_region): New.
11708 (struct move_stmt_d): Declare.
11709 (move_stmt_r): New.
11710 (move_block_to_fn): New.
11711 (move_sese_region_to_fn): New.
11713 * passes.c (init_optimization_passes): Schedule
11714 pass_expand_omp after pass_init_datastructures.
11716 * tree-ssa-operands.c (get_expr_operands): Handle
11717 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11718 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11720 2006-01-19 Jeff Law <law@redhat.com>
11722 * tree-vrp.c (extract_range_from_assert): Refine the result range
11723 if the variable referenced by the ASSERT_EXPR has a range and
11724 either the tentative result range or the previous range is a
11725 VR_ANTI_RANGE.
11727 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11729 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11731 2006-01-19 Jan Hubicka <jh@suse.cz>
11733 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11735 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11737 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11738 (expand_compound_operation, expand_field_assignment): Fail if the
11739 bit lengths of an extract operation are out of range.
11740 (make_extraction): Compute wanted_inner_mode based on the position
11741 and length of the extraction. Make it extraction_mode for non-constant
11742 positions, and do not modify offset in that case. When generating a
11743 new MEM, use a mode that can hold the extraction while keeping correct
11744 alignment. Remove code that supported MEMs wrapped by USEs.
11745 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11747 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11749 * config/s390/s390.md ("Y", "y"): New mode attribute.
11750 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11751 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11752 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11753 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11754 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11755 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11756 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11757 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11758 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11759 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11760 "addsi3", "subsi3"): Insn patterns removed.
11761 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11762 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11763 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11764 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11765 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11766 "*sub<mode>3_cconly2"): New insn patterns.
11767 ("addsi3", "subsi3"): New expanders.
11769 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11771 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11772 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11773 existing STMT_VINFO_VECTYPE if available.
11774 (vect_mark_relevant): Add special handling for stmts that are
11775 marked as STMT_VINFO_IN_PATTERN_P.
11776 (vect_analyze_loop): Call vect_pattern_recog.
11777 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11778 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11779 stmt_info.
11780 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11781 (vect_recog_func_ptr): New function-pointer type.
11782 * tree-vect-patterns.c: New file.
11783 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11784 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11785 (vect_pattern_recog_1): New functions.
11786 (vect_pattern_recog_funcs): New array of function pointers.
11788 * tree-vectorizer.h (ternary_op): New enum value.
11789 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11790 declaration. Revised documentation. Removed redundant dump prints.
11791 Removed redundant argument. Added support for reduction patterns.
11792 (vectorizable_reduction): Added support for reduction patterns.
11793 (vect_transform_stmt): Added support for patterns.
11795 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11796 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11797 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11798 (expand_widen_pattern_expr): New function.
11799 (init_optabs): Initialize new optabs udot_prod_optab,
11800 sdot_prod_optab.
11801 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11802 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11803 (expand_widen_pattern_expr): New function declaration.
11804 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11805 tree-codes.
11806 * tree-inline.c (estimate_num_insns_1): Added cases for new
11807 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11808 * tree-pretty-print.c (dump_generic_node): Likewise.
11809 (op_prio): Likewise.
11810 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11811 * tree-ssa-operands.c (get_expr_operands): Added case for
11812 DOT_PROD_EXPR.
11813 * tree-vect-patterns.c (widened_name_p): New function.
11814 (vect_recog_dot_prod_pattern): Added function implementation.
11815 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11816 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11817 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11818 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11820 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11821 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11822 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11823 (init_optabs): Initialize new optabs widen_ssum_optab,
11824 widen_usum_optab.
11825 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11826 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11827 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11828 use instead of type of def.
11829 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11830 function implementation.
11831 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11832 widen_ssumv8hi): New.
11834 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11835 patterns.
11837 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11839 PR c/25805
11840 * c-decl.c (add_flexible_array_elts_to_size): New function.
11841 (finish_decl): Use it.
11843 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11845 * diagnostic.h: Include options.h.
11846 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11847 dependancies for diagnostic.h.
11848 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11850 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11852 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11853 (ssa_ro_call_cache_valid): Ditto.
11854 * tree-ssa-alias.c (sort_tags_by_id): New function.
11855 (init_transitive_clobber_worklist): Ditto.
11856 (add_to_worklist): Ditto.
11857 (mark_aliases_call_clobbered): Ditto.
11858 (compute_tag_properties): Ditto.
11859 (set_initial_properties): Ditto.
11860 (compute_call_clobbered): Ditto.
11861 (compute_may_aliases): Call compute_call_clobbered and grouping.
11862 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11863 (compute_flow_insensitive_aliasing): Grouping now happens in our
11864 caller.
11865 (setup_pointers_and_addressables): Remove clobbering related code.
11866 (add_may_alias): Ditto.
11867 (replace_may_alias): Ditto.
11868 (get_nmt_for): Ditto.
11869 (create_global_var):
11870 (is_escape_site): Return an escape_type enumeration.
11871 * tree-flow-inline.h (is_call_clobbered): Global var does not
11872 imply call clobbered.
11873 (mark_call_clobbered): Take a reason for marking this. Remove
11874 marking of globalness, and cache invalidation.
11875 (clear_call_clobbered): Remove cache invalidation code.
11876 * tree-dfa.c (dump_variable): If details is on, dump the reason
11877 for escaping.
11878 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11879 variable.
11880 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11881 (struct var_ann_d): Ditto.
11882 (enum escape_type): New.
11883 (mark_call_clobbered): Adjust prototype.
11884 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11885 are never call clobbered.
11886 Record reasons for escaping.
11887 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11888 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11889 (ssa_ro_call_cache_valid): Ditto.
11890 (clobbered_v_may_defs): Ditto.
11891 (clobbered_vuses): Ditto.
11892 (ro_call_vuses): Ditto.
11893 (clobber_stats): New.
11894 (init_ssa_operands): Zero out clobber stats.
11895 (fini_ssa_operands): Print out clobber stats.
11896 (get_call_expr_operands): Pass callee fndecl to
11897 add_call_read_ops).
11898 (add_call_clobber_ops): Remove use of cache.
11899 Add use of PURE_CONST information.
11900 (add_call_read_ops): Remove use of cache.
11901 Add use of static not_read information.
11903 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11905 Introduce TLS descriptors for i386 and x86_64.
11906 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11907 (TARGET_ANY_GNU_TLS): New macro.
11908 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11909 (struct machine_function): Add tls_descriptor_call_expanded_p.
11910 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11911 (ix86_current_function_calls_tls_descriptor): Likewise.
11912 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11913 (override_options): Introduce gnu2 tls dialect.
11914 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11915 not leaves.
11916 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11917 Likewise.
11918 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11919 (ix86_init_machine_status): Initialize new field.
11920 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11921 (ix86_tls_module_base): New.
11922 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11923 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11924 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11925 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11926 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11927 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11928 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11929 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11930 * config/i386/predicates.md (tls_modbase_operand): New.
11931 (tp_or_register_operand): New.
11933 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11935 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11936 (look_for_address_of): Ditto.
11937 (ipa_init): Walk the function decls.
11938 (static_execute): Don't set readonly on FUNCTION_DECL's.
11940 2006-01-18 Roger Sayle <roger@eyesopen.com>
11942 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11943 for shifts where the source and destination registers are different.
11945 2006-01-18 Paul Brook <paul@codesourcery.com>
11947 Merge from csl-arm-branch.
11948 2005-03-14 Julian Brown <julian@codesourcery.com>
11949 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11950 (aeabi_llsl): Likewise.
11951 (ashrdi3): Likewise.
11952 (aeabi_lasr): Likewise.
11953 (lshrdi3): Likewise.
11954 (aeabi_llsr): Likewise.
11955 2005-03-10 Julian Brown <julian@codesourcery.com>
11956 * config.gcc: Disable shared libgcc for SymbianOS.
11957 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11959 2006-01-18 DJ Delorie <dj@redhat.com>
11961 * c-pragma.c (handle_pragma_diagnostic): New.
11962 (init_pragma): Register it.
11963 * doc/extend.texi: Document it.
11965 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11966 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11967 (diagnostic_context): Add classify_diagnostic[].
11968 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11969 as errors if they're overridden to DK_WARNING.
11970 (diagnostic_initialize): Initialize classify_diagnostic[].
11971 (diagnostic_set_kind_override): New.
11972 (diagnostic_report_diagnostic): Check for kind changes.
11973 * opts.c (common_handle_option): Take lang_mask. Update callers.
11974 Handle OPT_Werror_.
11975 * common.opt (Werror=): New.
11976 * doc/invoke.texi: Document -Werror=*
11978 2006-01-18 Jeff Law <law@redhat.com>
11980 * tree-vrp.c (test_for_singularity): Correct test for new
11981 min limit. Use operand_equal_p rather than pointer equality
11982 for testing if new min/max values are equal.
11984 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11985 using range information until after propagation and folding.
11987 2006-01-18 Richard Henderson <rth@redhat.com>
11988 Aldy Hernandez <aldyh@redhat.com>
11989 Jakub Jelinek <jakub@redhat.com>
11990 Diego Novillo <dnovillo@redhat.com>
11992 * omp-low.c: New file.
11993 * c-omp.c: New file.
11995 2006-01-18 Richard Henderson <rth@redhat.com>
11996 Jakub Jelinek <jakub@redhat.com>
11997 Diego Novillo <dnovillo@redhat.com>
11999 * doc/invoke.texi: Document -fopenmp.
12000 * tree-dump.h (debug_function): Declare.
12001 * hooks.c (hook_bool_tree_bool_false): New function.
12002 (hook_tree_tree_null): Remove.
12003 (hook_tree_tree_tree_null): New.
12004 * hooks.h: Update to match.
12005 * tree-pretty-print.c (debug_tree_chain): New.
12006 (print_generic_expr): Handle TDF_CHAIN.
12007 (dump_generic_node): Handle BLOCK.
12008 Do not abort with incomplete SWITCH_EXPRs.
12009 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12010 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12011 print space after directive name.
12012 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12013 Handle OMP_MASTER and OMP_ORDERED.
12014 Handle printing of OMP_BODY just in one place, goto
12015 dump_omp_body in the rest of OMP_* nodes that have
12016 OMP_BODY.
12017 Don't handle clause nodes here. Update omp statements to
12018 use dump_omp_clauses.
12019 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12020 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12021 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12022 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12023 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12024 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12025 Adjust output for GOMP_PARALLEL.
12026 (dump_omp_clauses): New.
12027 (print_declaration): Dump DECL_VALUE_EXPR.
12028 (op_symbol_1): Split out of op_symbol.
12029 (dumping_stmts): Remove. Update all users.
12030 * cgraph.c (cgraph_analyze_queue): New.
12031 (cgraph_add_new_function): New.
12032 * cgraph.h (cgraph_analyze_queue): Declare.
12033 (cgraph_add_new_function): Declare.
12034 (cgraph_lower_function): Remove.
12035 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12036 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12037 and TYPE_P nodes in its default clause.
12038 (empty_body_p): New.
12039 (tree_range_check_failed): New.
12040 (build5_stat): New.
12041 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12042 OMP_CLAUSE_REDUCTION_MERGE,
12043 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12044 OMP_CLAUSE_PRIVATE_DEBUG,
12045 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12046 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12047 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12048 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12049 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12050 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12051 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12052 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12053 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12054 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12055 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12056 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12057 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12058 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12059 (TREE_RANGE_CHECK): New.
12060 (empty_body_p): Declare.
12061 (enum omp_clause_default_kind): New.
12062 (build_string_literal): Declare.
12063 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12064 (build5_stat, build5): Declare.
12065 * tree-pass.h (TDF_CHAIN): Define.
12066 * tree-pass.h (PROP_gimple_lomp): Define.
12067 (pass_lower_omp): Declare.
12068 * diagnostic.h (debug_tree_chain): Declare.
12069 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12070 mode_for_size.
12071 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12072 * builtins.c (build_string_literal): Make extern.
12073 * gcc.c (include_spec_function): New.
12074 (static_spec_functions): Add it.
12075 (main): Move load of libgomp.spec ...
12076 (LINK_COMMAND_SPEC): ... here.
12077 (link_gomp_spec): New.
12078 (static_specs): Include it.
12079 (LINK_COMMAND_SPEC): Add link_gomp.
12080 (GOMP_SELF_SPECS): New.
12081 (driver_self_specs): Include it.
12082 (switch_matches): Don't mark inline.
12083 (main): Load libgomp.spec.
12084 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12085 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12086 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12087 * tree-gimple.h (enum omp_parallel): Declare.
12088 (determine_parallel_type): Declare.
12089 (omp_firstprivatize_variable): Declare.
12090 (omp_reduction_init): Declare.
12091 (diagnose_omp_structured_block_errors): Declare.
12092 (struct walk_stmt_info): Add want_return_expr.
12093 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12094 (find_omp_clause): Declare.
12095 (insert_field_into_struct): Declare.
12096 (struct walk_stmt_info): Move from tree-nested.c
12097 (walk_stmts): Declare.
12098 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12099 to 200505.
12100 * cgraphunit.c (cgraph_lower_function): Make static.
12101 (cgraph_finalize_pending_functions): New.
12102 (cgraph_finalize_function): Call it.
12103 (cgraph_finalize_compilation_unit): Likewise.
12104 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12105 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12106 (BT_FN_UINT_UINT): New.
12107 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12108 DEF_FUNCTION_TYPE_VAR_4): Document.
12109 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12110 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12111 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12112 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12113 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12114 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12115 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12116 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12117 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12118 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12119 into separate files.
12120 (DEF_GOMP_BUILTIN): New.
12121 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12122 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12123 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12124 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12125 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12126 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12127 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12128 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12129 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12130 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12131 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12132 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12133 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12134 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12135 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12136 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12137 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12138 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12139 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12140 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12141 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12142 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12143 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12144 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12145 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12146 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12147 * sync-builtins.def: New file, moved from builtins.def.
12148 * omp-builtins.def: New file, moved from builtins.def.
12149 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12150 * gimple-low.c (lower_function_body): Clear data.
12151 (lower_stmt): Do not handle COMPOUND_EXPR.
12152 Remove call to print_node_brief.
12153 * c-tree.h (c_finish_omp_clauses): New prototype.
12154 (C_DECL_THREADPRIVATE_P): Define.
12155 (lookup_name_no_remap, c_omp_remap_private): Remove
12156 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12157 (check_for_loop_decls): Update decl.
12158 (lookup_name_no_remap, c_omp_remap_private): Declare.
12159 (build_indirect_ref, build_modify_expr, pushdecl,
12160 pushdecl_top_level): Move to c-common.h.
12161 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12162 before the switch, but just in the 2 places that need it.
12163 * c-decl.c (diagnose_mismatched_decls): Do not check for
12164 mismatched thread-local attributes when OLDDECL is marked
12165 threadprivate and NEWDECL has no thread-local attributes.
12166 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12167 (c_gimple_diagnostics_recursively): Rename from
12168 c_warn_unused_result_recursively. Invoke
12169 diagnose_omp_structured_block_errors.
12170 (check_for_loop_decls): Return a singular decl found.
12171 * langhooks.c (lhd_omp_predetermined_sharing): Return
12172 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12173 (lhd_omp_firstprivatize_type_sizes): New.
12174 (lhd_omp_assignment): New.
12175 (lhd_omp_predetermined_sharing): New.
12176 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12177 (struct lang_hooks_for_types): Add
12178 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12179 omp_predetermined_sharing, omp_disregard_value_expr,
12180 omp_private_debug_clause, omp_clause_default_ctor,
12181 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12182 (c_finish_omp_clauses): New.
12183 (c_finish_bc_stmt): Diagnose break within omp for.
12184 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12185 (build_unary_op): Return error_mark after reporting
12186 a readonly_error.
12187 (build_modify_expr): Likewise.
12188 * gimplify.c: Include optabs.h and pointer-set.h.
12189 (enum gimplify_omp_var_data): Declare.
12190 (struct gimplify_omp_ctx): Declare.
12191 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12192 and combined_ctxp.
12193 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12194 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12195 (splay_tree_compare_decl_uid): New.
12196 (new_omp_context): New.
12197 (delete_omp_context): New.
12198 (gimple_add_tmp_var): Call omp_add_variable.
12199 (gimplify_bind_expr): Likewise.
12200 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12201 true, disregard DECL_VALUE_EXPR on the decl if any.
12202 (gimplify_expr_in_ctx): New.
12203 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12204 omp_add_variable, omp_notice_variable, omp_is_private
12205 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12206 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12207 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12208 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12209 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12210 gimplify_omp_atomic): New.
12211 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12212 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12213 OMP_CRITICAL and OMP_ATOMIC.
12214 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12215 * c-pragma.h (enum pragma_kind): Add
12216 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12217 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12218 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12219 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12220 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12221 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12222 PRAGMA_OMP_THREADPRIVATE.
12223 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12224 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12225 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12226 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12227 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12228 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12229 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12230 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12231 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12232 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12233 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12234 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12235 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12236 OpenMP directives.
12237 (struct nesting_info): Add field_map,
12238 suppress_expansion, debug_var_chain.
12239 (create_nesting_tree): Initialize them.
12240 (lookup_field_for_decl): Use field_map.
12241 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12242 (convert_local_omp_clauses): New.
12243 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12244 (walk_body): Split out of walk_function.
12245 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12246 (convert_nonlocal_reference): Handle omp statements.
12247 (convert_local_reference): Likewise.
12248 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12249 (unnest_nesting_tree): New.
12250 (lower_nested_functions): Call it.
12251 (insert_field_into_struct): Make extern.
12252 (struct walk_stmt_info): Move to tree-gimple.h.
12253 (walk_stmts): Make extern.
12254 * omp-builtins.def: New file.
12255 * tree-iterator.c (expr_only): Clarify comment.
12256 * c-common.h (pushdecl_top_level, pushdecl,
12257 build_modify_expr, build_indirect_ref,
12258 c_finish_omp_master, c_finish_omp_critical,
12259 c_finish_omp_ordered, c_finish_omp_barrier,
12260 c_finish_omp_atomic, c_finish_omp_flush,
12261 c_finish_omp_for, c_split_parallel_clauses,
12262 omp_clause_default_kind, c_omp_sharing_predetermined,
12263 c_omp_remap_decl): Declare.
12264 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12265 (OBJS-common): Add omp-low.o.
12266 (c-omp.o, omp-low.o): Add.
12267 (gimplify.o): Add dependency on $(OPTABS_H).
12268 (GTFILES): Add omp-low.c.
12269 (gt-stringpool.h): Add.
12270 * tree-cfg.c (set_bb_for_stmt): Do not update the
12271 block-to-labels map if we are currently expanding to RTL.
12272 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12273 checks.
12274 Handle IDENTIFIER_NODE.
12275 (tree_verify_flow_info): Do not ICE when emitting error
12276 messages about invalid labels.
12277 (dump_function_to_file): Reset CFUN before emitting the body
12278 of the function.
12279 (debug_function): New.
12280 * passes.c (init_optimization_passes): Schedule
12281 pass_lower_omp.
12282 * langhooks-def.h (lhd_omp_predetermined_sharing,
12283 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12284 Declare.
12285 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12286 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12287 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12288 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12289 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12290 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12291 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12292 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12293 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12294 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12295 (LANG_HOOK_DECLS): Use them.
12297 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12298 Richard Henderson <rth@redhat.com>
12299 Jakub Jelinek <jakub@redhat.com>
12300 Diego Novillo <dnovillo@redhat.com>
12302 * c-parser.c (pragma_omp_clause): Define.
12303 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12304 (c_parser_compound_statement): Likewise.
12305 (c_parser_statement): Likewise.
12306 (c_parser_pragma): Handle omp pragmas.
12307 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12308 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12309 (c_parser_omp_clause_name, check_no_duplicate_clause,
12310 c_parser_omp_variable_list,
12311 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12312 c_parser_omp_clause_copyprivate,
12313 c_parser_omp_clause_default,
12314 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12315 c_parser_omp_clause_lastprivate,
12316 c_parser_omp_clause_nowait,
12317 c_parser_omp_clause_num_threads,
12318 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12319 c_parser_omp_clause_reduction,
12320 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12321 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12322 c_parser_omp_atomic, c_parser_omp_barrier,
12323 c_parser_omp_critical, c_parser_omp_flush,
12324 c_parser_omp_for_loop, c_parser_omp_for,
12325 c_parser_omp_master, c_parser_omp_ordered,
12326 c_parser_omp_sections_scope, c_parser_omp_sections,
12327 c_parser_omp_parallel, c_parser_omp_single,
12328 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12329 * c-pragma.c (init_pragma): Do omp pragma registration here.
12330 * c.opt (fopenmp): New flag.
12332 2006-01-18 Eric Christopher <echristo@apple.com>
12334 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12335 * config/darwin.h (GOMP_SELF_SPECS): Define.
12337 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12339 * rtl.h: Remove the prototype for reg_alloc.
12341 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12343 PR target/25731
12344 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12345 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12346 sjlj and dwarf2 exception handling.
12347 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12348 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12349 * pa/pa.c (function_value): Treat complex and vector types as
12350 aggregates.
12351 (function_arg): Likewise. Only pass scalar floats in the floating
12352 point argument registers.
12353 * pa/t-slibgcc-dwarf-ver: New file.
12354 * pa/t-slibgcc-sjlj-ver: New file.
12355 * pa/t-slibgcc-elf-ver: Delete file.
12357 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12359 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12360 unlikely_test_section_p test.
12362 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12364 * mode-switching.c (optimize_mode_switching): Make it static.
12365 * basic-block.h: Remove the prototype for
12366 optimize_mode_switching.
12368 * modulo-sched.c (sms_schedule): Make it static.
12369 * rtl.h: Remove the prototype for sms_schedule.
12371 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12372 * rtl.h: Remove the prototype for gcse_after_reload_main.
12374 * reg-stack.c (reg_to_stack): Make it static.
12375 * rtl.h: Remove the prototype for reg_to_stack.
12377 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12378 Make them static.
12379 * rtl.h: Remove the prototypes for regrename_optimize and
12380 copyprop_hardreg_forward.
12382 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12384 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12385 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12386 Test against the appropriate null constant for the mode.
12387 If 'fixup_overlap' is true, swap the operands if they overlap.
12388 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12389 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12390 alpha_split_tmode_pair and adjust for above change.
12391 * config/alpha/alpha.md (movtf_internal): Adjust call to
12392 alpha_split_tfmode_pair and rely on it to swap the operands.
12393 (movti_internal): New insn and post-reload splitter.
12394 (movti): New expander.
12396 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12398 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12399 operands.
12401 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12403 * rtlanal.c (global_reg_mentioned_p_1,
12404 global_reg_mentioned_p): Remove.
12405 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12407 * flow.c (initialize_uninitialized_subregs): Make it static.
12408 * rtl.h: Remove the prototype for
12409 initialize_uninitialized_subregs.
12411 * function.c (instantiate_virtual_regs): Make it static.
12412 * function.h: Remove the prototype for
12413 instantiate_virtual_regs.
12415 * regmove.c (regmove_optimize, combine_stack_adjustments):
12416 Make them static.
12417 * rtl.h: Remove the prototypes for regmove_optimize and
12418 combine_stack_adjustments.
12420 2006-01-17 Roger Sayle <roger@eyesopen.com>
12422 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12423 (size_cost): Encode costs in bytes so that a reg-reg addition is
12424 equivalent to COSTS_N_INSNS(1).
12425 (override_options): Use the size_cost.branch_cost as the default
12426 ix86_branch_cost when optimizing for size.
12428 2006-01-18 Ben Elliston <bje@au.ibm.com>
12430 * Makefile.in (D32PBIT_FUNCS): New.
12431 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12432 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12433 D64PBIT_FUNCS and D128PBIT_FUNCS.
12434 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12435 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12436 D128PBIT are set.
12437 (decnumber_dep): Define.
12438 * doc/libgcc.texi (Decimal float library routines): New node.
12439 * config/dfp-bit.h, config/dfp-bit.c: New files.
12441 2006-01-18 Ben Elliston <bje@au.ibm.com>
12443 * expr.c (emit_move_change_mode): Always adjust addresses, not
12444 just during reload. Copy replacements only during reload.
12445 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12446 emit_move_via_integer.
12448 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12450 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12451 instead of $(srcdir) and ${srcdir}.
12453 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12455 PR target/592
12456 PR middle-end/11135
12457 * arm.h (struct machine_function): Add pic_reg.
12458 * arm.c (arm_pic_register): Make unsigned.
12459 (arm_override_options): Only set arm_pic_register if
12460 TARGET_SINGLE_PIC_BASE.
12461 (use_return_insn): Only test for a pic register if it is fixed.
12462 (arm_compute_save_reg0_reg12_mask): Likewise.
12463 (thumb_compute_save_reg_mask): Likewise.
12464 (legitimate_pic_operand): Factor out some known invariants.
12465 (legitimize_pic_address): If we don't have a fixed pic register,
12466 then set up a pseudo in the function entry sequence. Handle the
12467 pic base being in a pseudo.
12468 (arm_load_pic_register): Handle the pic register being in a pseudo.
12469 (arm_expand_prologue): Only set up the pic register if it is fixed.
12470 (thumb_expand_prologue): Likewise.
12471 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12472 (pic_load_addr_based_insn): Likewise.
12473 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12474 fixed.
12476 2006-01-18 Ben Elliston <bje@au.ibm.com>
12478 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12479 decimal float modes for all floating point registers.
12481 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12482 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12484 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12486 PR c/25682
12487 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12488 even when the pointer is not NULL.
12490 2006-01-16 Ian Lance Taylor <ian@airs.com>
12492 * common.opt (ftoplevel-reorder): New option.
12493 * cgraph.c (cgraph_asm_nodes): New global variable.
12494 (cgraph_asm_last_node): New static variable.
12495 (cgraph_order): New global variable.
12496 (cgraph_create_node): Set new order field.
12497 (cgraph_varpool_node): Likewise.
12498 (decide_is_variable_needed): Return true if not
12499 flag_toplevel_reorder.
12500 (cgraph_add_asm_node): New function.
12501 * cgraph.h (struct cgraph_node): Add order field.
12502 (struct cgraph_varpool_node): Add order field.
12503 (struct cgraph_asm_node): Define.
12504 (cgraph_asm_nodes, cgraph_order): Declare.
12505 (cgraph_add_asm_node): Declare.
12506 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12507 function.
12508 (cgraph_varpool_assemble_pending_decls): Call it.
12509 (cgraph_output_pending_asms): New static function.
12510 (cgraph_finalize_compilation_unit): Call it.
12511 (struct cgraph_order_sort): Define.
12512 (cgraph_output_in_order): New static function.
12513 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12514 !flag_toplevel_reorder case.
12515 * c-parser.c: Include "cgraph.h".
12516 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12517 assemble_asm.
12518 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12519 than -fno-unit-at-a-time.
12520 * doc/invoke.texi (Option Summary): Mention
12521 -fno-toplevel-reorder.
12522 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12523 -funit-at-a-time documentation.
12525 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12526 Kazu Hirata <kazu@codesourcery.com>
12528 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12530 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12532 * Makefile.in (FUNCTION_H): New. Use it instead of
12533 function.h throughout the file.
12534 * function.h: Include tree.h.
12536 2006-01-17 Ben Elliston <bje@au.ibm.com>
12538 * recog.c: Separate some functions with whitespace.
12540 2006-01-16 Richard Henderson <rth@redhat.com>
12542 Merge from gomp branch:
12543 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12544 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12545 and rename from struct inline_data. Rename callee* to dst*;
12546 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12547 transform_new_cfg, transform_return_to_modify, and
12548 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12549 update_clones_p.
12550 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12551 (copy_decl_for_dup): Remove.
12552 * tree-inline.c (struct inline_data): Move to header.
12553 (insert_decl_map): Export.
12554 (remap_decl): Update for member name changes. Use copy_decl hook.
12555 Allow for replacement to be a non-decl. Remove dead code.
12556 (remap_type_1): Check for existing mapping.
12557 (remap_type): Export.
12558 (remap_decls): Update for member name changes.
12559 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12560 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12561 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12562 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12563 (tree_function_versioning, build_duplicate_type): Likewise.
12564 (copy_body_r): Likewise. Export.
12565 (copy_decl_for_dup): Split into ...
12566 (copy_decl_for_dup_finish, copy_decl_to_var,
12567 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12568 (replace_ref_tree, inlining_p): Remove.
12570 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12572 * ifcvt.c (if_convert): Make it static.
12573 * rtl.h: Remove the prototype for if_convert.
12575 * local-alloc.c (local_alloc): Make it static.
12576 * rtl.h: Remove the prototype for local_alloc.
12578 * loop.c (loop_optimize): Make it static.
12579 * cfgloop.h: Remove the prototype for loop_optimize.
12580 * rtl.h: Likewise.
12582 2006-01-16 DJ Delorie <dj@redhat.com>
12584 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12585 mems.
12587 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12589 * pa.md: Disparage copies between general and floating-point registers
12590 in 32-bit move patterns.
12592 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12594 PR testsuite/25741
12595 * Makefile.in (check-%): Depend on site.exp instead of
12596 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12597 directories.
12599 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12601 * global.c (global_alloc): Make it static.
12602 * rtl.h: Remove the prototype for global_alloc.
12604 2006-01-16 Richard Guenther <rguenther@suse.de>
12606 * tree-ssa-alias.c (struct used_part): Add write_only field.
12607 (get_or_create_used_part_for): Initialize it to true.
12608 (create_overlap_variables_for): Don't create structure variables
12609 for structures that only are written to.
12610 (find_used_portions): Handle MODIFY_EXPR to track whether a
12611 structure is only written to.
12613 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12615 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12616 static.
12617 * basic-block.h: Remove the prototype for
12618 partition_hot_cold_basic_blocks.
12620 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12622 * cppspec.c (lang_specific_spec_functions): Remove.
12623 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12624 * gcc.h (lang_specific_spec_functions): Remove.
12625 * gccspec.c (lang_specific_spec_functions): Remove.
12627 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12629 * combine.c (record_value_for_reg): Invalidate registers
12630 if INSN is null.
12631 (record_dead_and_set_regs_1): Likewise, by passing them to
12632 record_value_for_reg.
12633 (record_dead_and_set_regs): Invalidate stores made by a
12634 call. We do not combine across a call, but we still
12635 relied on equivalences.
12637 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12639 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12640 vrp_int_const_binop returning non-constant nodes.
12642 2006-01-16 Paul Brook <paul@codesourcery.com>
12644 * config/m68k/m68k.c (output_move_const_into_data_reg):
12645 Output correct mnemonic for mvz and mvs.
12647 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12649 * rtl-factoring.c: Add sequence abstraction algorithm.
12650 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12651 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12652 ABNORMAL edges.
12653 (block_has_preserve_label): New function.
12654 * common.opt: Register new pass.
12655 * Makefile.in: Ditto.
12656 * passes.c: Ditto.
12657 * timevar.def: Ditto.
12658 * tree-pass.h: Ditto.
12659 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12660 * rtl.h (make_jump_insn_raw): Add forward decl.
12661 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12663 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12664 Roger Sayle <roger@eyesopen.com>
12666 * fold-const.c (fold_minmax): New static function.
12667 (fold_binary) <MIN_EXPR>: Call it.
12668 <MAX_EXPR>: Likewise.
12669 * stor-layout.c (place_field): Use DECL_SIZE consistently
12670 in the computation of the new record size.
12672 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12674 * cse.c (cse_condition_code_reg): Make it static.
12675 * rtl.h: Remove the prototype for cse_condition_code_reg.
12677 * combine.c (combine_instructions): Make it static.
12678 * rtl.h: Remove the prototype for combine_instructions.
12680 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12682 PR target/25168
12683 * tree.c (get_file_function_name_long): Concatenate the first global
12684 object name with a string derived from the input filename of the object
12685 for type "F".
12687 2006-01-16 Ben Elliston <bje@au.ibm.com>
12689 * config/i386/winnt-stubs.c: Update FSF address.
12690 * config/xtensa/ieee754-df.S: Ditto.
12691 * config/xtensa/ieee754-sf.S: Ditto.
12693 2006-01-14 Ian Lance Taylor <ian@airs.com>
12695 * ifcvt.c (noce_init_if_info): New static function, broken out of
12696 noce_process_if_block.
12697 (noce_process_if_block): Call noce_init_if_info.
12698 (check_cond_move_block): New static function.
12699 (cond_move_process_if_block): New static function.
12700 (process_if_block): Call cond_move_process_if_block.
12702 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12704 * cselib.c (hash_table): Rename to cselib_hash_table.
12705 (cselib_clear_table, discard_useless_values,
12706 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12707 cselib_init, cselib_finish): Adjust uses of hash_table.
12709 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12711 PR tree-optimization/25485
12712 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12713 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12714 is known to be false and true, respectively.
12716 2006-01-14 Richard Guenther <rguenther@suse.de>
12718 PR tree-optimization/22548
12719 PR tree-optimization/22555
12720 PR tree-optimization/22501
12721 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12722 * params.def (salias-max-array-elements): New parameter.
12723 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12724 * doc/invoke.texi (salias-max-array-elements): Document.
12725 * tree-flow-inline.h (var_can_have_subvars): We also handle
12726 arrays now.
12727 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12728 COMPONENT_REF.
12729 * tree-ssa-structalias.c (params.h): Include.
12730 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12731 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12732 (get_constraint_for): For ADDR_EXPR operating on something
12733 containing an ARRAY_REF, add all subvars to the solution.
12734 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12735 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12736 for creating MUST_DEFs.
12737 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12739 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12741 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12742 functions.
12743 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12744 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12745 number_of_iterations_le): New functions.
12746 (number_of_iterations_special): Removed.
12747 (number_of_iterations_exit): Do not use number_of_iterations_special.
12748 * tree.c (unsigned_type_for): Always return integer type.
12750 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12751 Richard Guenther <rguenther@suse.de>
12753 PR rtl-optimization/24257
12754 * gcse.c (find_moveable_store): Only consider a store movable
12755 when the SET_SRC of the insn can be assigned to a register.
12757 2006-01-14 Ian Lance Taylor <ian@airs.com>
12759 * tree.c (tree_not_class_check_failed): New function.
12760 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12761 (tree_not_class_check_failed): Declare.
12763 2006-01-13 Ian Lance Taylor <ian@airs.com>
12765 * reload1.c (do_output_reload): Add assertion rejecting a
12766 CALL_INSN.
12768 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12770 * combine.c (struct reg_stat): Add new fields truncation_label and
12771 truncated_to_mode.
12772 (record_value_for_reg): Reset truncated_to_mode.
12773 (record_truncated_value): New function.
12774 (check_promoted_subreg): Call it. Rename to check_conversions.
12775 (combine_instructions): Rename check_promoted_subreg to
12776 check_conversions.
12777 (reg_truncated_to_mode): New function.
12778 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12779 (gen_lowpart_or_truncate): New function.
12780 (force_to_mode): Use it instead of gen_lowpart.
12782 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12784 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12785 VAR is a tag, not its type tag.
12787 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12789 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12790 alternatives to match style of other entries.
12791 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12793 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12795 PR tree-optimization/25771
12796 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12797 SSA_NAMES.
12799 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12801 PR tree-opt/24365
12802 * tree-inline.c (declare_return_variable): If the return variable
12803 was marked as a non gimple complex, set the return slot variable
12804 to be a non gimple comple variable.
12806 2006-01-13 Richard Guenther <rguenther@suse.de>
12808 * builtins.c (expand_builtin_sincos): New function.
12809 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12810 do not set errno.
12811 (expand_builtin): Expand sincos using expand_builtin_sincos.
12813 2006-01-12 DJ Delorie <dj@redhat.com>
12815 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12816 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12817 so that constant shifts can be split.
12818 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12819 (m32c_valid_pointer_mode): Make static.
12820 (shift_gen_func_for): New.
12821 (m32c_prepare_shift): Use it. Split large const shifts into
12822 multiple shifts.
12823 * config/m32c/predicates.md (shiftcount_operand): Allow more
12824 general operands.
12825 (longshiftcount_operand): New.
12826 * doc/md.texi (Machine Constraints): Document In6.
12828 2006-01-13 Ben Elliston <bje@au.ibm.com>
12830 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12831 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12832 documentation.
12834 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12836 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12837 to try to avoid clobbering pieces of structures when we know
12838 something about the whole structure.
12839 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12841 2006-01-13 Ben Elliston <bje@au.ibm.com>
12843 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12844 return in memory, as this is no limitation is no longer present.
12846 2006-01-12 DJ Delorie <dj@redhat.com>
12848 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12849 mova with fb, and for fb+0 -> An.
12851 * config/m32c/mov.md (peephole2): Fix enabling logic.
12853 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12854 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12855 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12856 FINI_ARRAY_SECTION_ASM_OP): Define.
12858 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12859 variable.
12860 (m32c_legitimize_reload_address): New logic to reload FB to An.
12861 (m32c_output_reg_push): Add newline.
12862 (m32c_output_reg_pop): Likewise.
12864 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12866 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12868 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12870 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12872 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12874 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12875 match_code.
12877 2006-01-11 Ben Elliston <bje@au.ibm.com>
12879 * rtlanal.c (find_reg_note): Assert insn is not null.
12881 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12883 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12884 ifdef.
12886 2006-01-11 Jeff Law <law@redhat.com>
12888 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12889 hold edge pairs.
12890 (mark_threaded_blocks, register_jump_thread): New functions.
12891 (thread_through_all_blocks): Remove unwanted argument. No
12892 longer rely on e->aux to communicate thread target info.
12893 Call mark_threaded_blocks. Release the threaded_blocks
12894 bitmap and threaded_edges vector when complete.
12895 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12896 (threaded_blocks): Remove.
12897 (tree_ssa_dominator_optimize): Remove initialization and
12898 finalization of threaded_blocks. Simplify call to
12899 thread_through_all_blocks.
12900 (thread_across_edge): Call register_jump_thread rather than
12901 storing thread information into e->aux.
12902 (free_all_edge_infos): Simplify now that e->aux is no longer
12903 used to communicate with thread_through_all_blocks.
12904 * tree-flow.h (thread_through_all_blocks): Update prototype.
12905 (register_jump_thread): Prototype.
12907 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12909 * df-core.c (df_compact_blocks, df_bb_replace): Use
12910 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12912 2006-01-11 Richard Guenther <rguenther@suse.de>
12914 PR tree-optimization/25734
12915 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12916 stop propagation after successful propagation to the LHS.
12918 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12920 * basic-block.h (control_flow_graph): Change the type of
12921 x_basic_block_info to VEC(basic_block,gc) *.
12922 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12923 basic_block_info.
12924 (SET_BASIC_BLOCK): New.
12925 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12926 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12927 * cfgbuild.c (find_basic_blocks): Likewise.
12928 * cfglayout.c (fixup_reorder_chain): Likewise.
12929 * cfgrtl.c (create_basic_block_structure,
12930 rtl_create_basic_block): Likewise.
12931 * ifcvt.c (find_if_case_1): Likewise.
12932 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12933 Likewise.
12935 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12937 * Makefile.in: Removed rotted odf.c entry.
12939 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12941 PR target/25706
12942 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12943 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12944 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12945 output pattern modifier, not %e.
12946 * config/cris/cris.c (cris_op_str): Update comment about pattern
12947 modifier.
12948 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12949 before falling through into...
12950 <case 'E'>: Redefined from old 'e' case.
12952 2006-01-11 Jan Hubicka <jh@suse.cz>
12954 PR target/25042
12955 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12957 2006-01-11 Jan Hubicka <jh@suse.cz>
12959 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12960 * i386.c (x86_decompose_lea): Kill.
12961 (ix86_rtx_costs): Kill.
12963 2006-01-11 Jan Hubicka <jh@suse.cz>
12965 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12966 * cgraph.h (cgraph_node): Add inline_decl.
12967 (cgraph_insert_node_to_hashtable): Declare.
12968 (save_inline_function_body): Declare.
12969 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12970 clones.
12971 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12972 (cgraph_function_versioning): Update call of tree_function_versioning.
12973 (save_inline_function_body): New function.
12974 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12975 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12976 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12977 (cgraph_default_inline_p): Likewise.
12978 (cgraph_decide_inlining_incrementally): Likewise.
12979 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12980 (copy_bb): Kill saving; do updating of clones.
12981 (copy_cfg_body): Kill saving.
12982 (initialize_inlined-parameters): Likewise.
12983 (expand_call_inline): Likewise.
12984 (save_body): Kill.
12985 (tree_function_versioning): New parameter "update_clones".
12986 (inlining_p): Kill saving.
12987 * tree-inline.h (tree_function_versioning): Update prototype.
12988 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12989 saving.
12991 2006-01-11 Ian Lance Taylor <ian@airs.com>
12993 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12994 Allow undoing set of machine mode.
12995 (do_SUBST): Use enums instead of is_int.
12996 (do_SUBST_MODE): New function.
12997 (SUBST_MODE): New macro.
12998 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12999 reg and trying to replace reg_regno_rtx with a new register.
13000 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13001 (simplify_set): Use SUBST_MODE.
13002 (distribute_notes): Remove code that tried to update reg notes
13003 for regno_reg_rtx changes.
13005 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13007 PR tree-optimization/23109
13008 PR tree-optimization/23948
13009 PR tree-optimization/24123
13011 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13012 * tree-cfg.c (single_noncomplex_succ): New.
13013 * tree-flow.h (single_noncomplex_succ): Declare it.
13014 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13015 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13016 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13017 insert_bb, register_division_in, insert_reciprocals,
13018 replace_reciprocal, free_bb): New.
13019 (execute_cse_reciprocals_1): Rewritten.
13020 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13021 Do not commit any edge insertion. Always compute dominators and
13022 create the allocation pool.
13023 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13024 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13025 * targhooks.c (default_min_divistions_for_recip_mul): New.
13026 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13027 * passes.c (init_optimization_passes): Run recip after tree loop
13028 optimizations.
13029 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13031 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13032 Kenneth Zadeck <zadeck@naturalbridge.com>
13034 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13035 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13036 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13037 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13038 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13039 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13040 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13041 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13042 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13043 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13044 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13045 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13046 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13047 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13048 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13049 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13050 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13051 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13052 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13053 DF_SCAN_POST_ALLOC): New macros.
13054 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13055 df_free_bb_function, df_local_compute_function, df_init_function,
13056 df_dataflow_function, df_confluence_function_0,
13057 df_confluence_function_n, df_transfer_function,
13058 df_finalizer_function, df_free_function, df_dump_problem_function,
13059 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13060 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13061 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13062 df_urec_bb_info, ) New types.
13063 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13064 variables.
13065 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13066 df_analyze_simple_change_some_blocks,
13067 df_analyze_simple_change_one_block, df_compact_blocks,
13068 df_bb_replace, df_bb_regno_last_use_find,
13069 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13070 df_insn_regno_def_p, df_find_def, df_find_use,
13071 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13072 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13073 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13074 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13075 debug_df_chain, df_get_dependent_problem, df_chain_create,
13076 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13077 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13078 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13079 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13080 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13081 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13082 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13083 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13084 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13085 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13086 df_reorganize_refs, df_set_state, df_hard_reg_init,
13087 df_read_modify_subreg_p) New public functions.
13088 * df-core.c: The core dataflow solver and glue routines for rtl
13089 dataflow.
13090 (df_init, df_add_problem, df_set_blocks, df_finish,
13091 df_hybrid_search_forward, df_hybrid_search_backward,
13092 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13093 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13094 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13095 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13096 df_reg_defined, df_find_use, df_reg_used, df_dump,
13097 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13098 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13099 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13100 debug_df_useno, reset_df_after_reload): New functions.
13101 * df-scan.c: The scanning fuctions, once in df.c, completely
13102 rewritten so that they now fully model the functionality of
13103 register usage at the backend.
13104 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13105 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13106 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13107 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13108 df_get_artificial_defs, df_get_artificial_uses,
13109 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13110 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13111 df_refs_delete, df_reorganize_refs, df_set_state,
13112 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13113 df_def_record_1, df_defs_record, df_uses_record,
13114 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13115 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13116 df_record_exit_block_uses, df_hard_reg_init): New functions.
13118 * df-problems.c: Seven concrete dataflow problems that use the
13119 scanning in df-scan.c and are solved by the engine in df-core.c.
13120 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13121 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13122 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13123 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13124 df_ru_free_bb_info, df_ru_alloc,
13125 df_ru_bb_local_compute_process_def,
13126 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13127 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13128 df_ru_transfer_function, df_ru_free, df_ru_dump,
13129 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13130 df_rd_free_bb_info, df_rd_alloc,
13131 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13132 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13133 df_rd_transfer_function, df_rd_free, df_rd_dump,
13134 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13135 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13136 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13137 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13138 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13139 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13140 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13141 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13142 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13143 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13144 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13145 df_urec_mark_reg_use_for_earlyclobber,
13146 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13147 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13148 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13149 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13150 df_chain_create_bb_process_use, df_chain_create_bb,
13151 df_chain_finalize, df_chain_free, df_chains_dump,
13152 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13153 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13154 df_reg_lifetime): New functions.
13155 * df.c: Deleted file.
13156 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13157 consistent with new df api.
13158 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13159 rest_of_handle_sms): Ditto.
13160 * web.c (unionfind_union, union_defs, entry_register, web_main):
13161 Ditto.
13162 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13163 invariant_expr_equal_p, find_defs, check_dependencies,
13164 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13165 free_inv_motion_data, move_loop_invariants): Ditto.
13166 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13167 Update dependencies.
13168 (odf.c): Added defective entry that was deleted later in day.
13169 * sched-deps.c (sched_analyze_1): Ditto.
13171 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13173 * tree-ssa-operands.c (get_expr_operands): Record addressable
13174 variables directly. Do not call add_stmt_operands for CONST_DECLs
13175 and ARRAY_DECLs.
13176 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13177 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13179 2006-01-11 Ben Elliston <bje@au.ibm.com>
13181 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13182 function returns true in the positive case.
13184 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13186 PR target/20754
13187 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13188 for SI, DI, SF and DF modes. Add alternatives to copy between
13189 general and floating point registers to the 32-bit patterns.
13190 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13191 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13192 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13193 generating 64-bit code.
13194 * config/pa/pa.c (output_move_double): Handle copies between general
13195 and floating registers.
13197 2006-01-10 Stuart Hastings <stuart@apple.com>
13199 * config/i386/i386.md (set_got): Update.
13200 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13201 (builtin_setjmp_receiver): Mach-O support.
13202 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13203 (GOT_SYMBOL_NAME): Define.
13204 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13205 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13206 * config/i386/i386.c (override_options): Revise for Darwin.
13207 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13208 support. (darwin_x86_file_end): New. (output_set_got): Add label
13209 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13210 * config/i386/i386-protos.h (output_set_got): Likewise.
13211 * config/darwin.c (machopic_legitimize_pic_address): Update
13212 regs_ever_live[].
13214 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13216 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13217 when MODE isn't BLKmode.
13219 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13221 PR rtl-optimization/25367
13222 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13224 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13226 PR target/25718
13227 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13228 for a negative bound.
13230 2006-01-10 Richard Guenther <rguenther@suse.de>
13232 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13233 Never override with anything constraint.
13235 2006-01-10 Jan Beulich <jbeulich@novell.com>
13237 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13238 256 bits when optimize_size.
13240 2006-01-10 Jan Beulich <jbeulich@novell.com>
13242 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13243 MASK_ALIGN_DOUBLE.
13244 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13245 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13246 arguments.
13248 2006-01-10 Ben Elliston <bje@au.ibm.com>
13250 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13251 float modes.
13252 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13253 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13254 (USE_FP_FOR_ARG): Reject decimal float modes.
13255 (function_arg_advance): Likewise.
13256 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13257 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13258 point types in AltiVec vectors.
13259 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13260 (rs6000_libcall_value): Likewise.
13262 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13264 * config/xtensa/ieee754-df.S: New file.
13265 * config/xtensa/ieee754-sf.S: New file.
13266 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13267 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13268 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13270 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13272 * config/sh/predicates.md (binary_float_operator,
13273 binary_logical_operator, commutative_float_operator,
13274 equality_comparison_operator, greater_comparison_operator,
13275 less_comparison_operator, logical_operator,
13276 noncommutative_float_operator, shift_operator,
13277 symbol_ref_operand, unary_float_operator): Remove redundant
13278 conditionals.
13280 2006-01-09 Jeff Law <law@redhat.com>
13282 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13283 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13284 now unused arguments. Callers updated.
13285 (eliminate_redundant_computations): Remove now unused arguments,
13286 callers updated.
13287 (local_fold): Remove, no longer used.
13288 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13289 and moved to...
13290 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13291 (simplify_cond): New function.
13292 (forward_propagate_into_cond): Call simplify_cond.
13294 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13296 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13297 (*vec_extractv2di_1_sse): New.
13299 2006-01-09 Ben Elliston <bje@au.ibm.com>
13301 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13303 2006-01-08 Richard Guenther <rguenther@suse.de>
13305 * tree-ssa-structalias.c (get_constraint_for): Remove
13306 anyoffset argument.
13307 (get_constraint_for_component_ref): Likewise.
13308 (do_deref): Likewise.
13309 (get_constraint_for): Likewise.
13310 (do_structure_copy): Likewise.
13311 (handle_ptr_arith): Likewise.
13312 (find_func_aliases): Likewise. Remove unused need_anyoffset
13313 variable.
13315 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13316 Kaz Kojima <kkojima@gcc.gnu.org>
13318 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13319 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13320 (EXTRA_CONSTRAINT_C16): Remove.
13321 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13322 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13323 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13324 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13325 constants of SHmedia. Handle nested constant expressions of
13326 SHmedia correctly.
13327 (andcosts): Fix the costs for SHmedia constants.
13328 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13329 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13330 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13331 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13332 (movv4hi_i, movv2si_i): Likewise.
13333 (movsi_const): Adjust the second operand of ior so to match with
13334 the Csu constraint.
13335 (movdi_const, movdi_const_32bit): Likewise.
13336 (movdi_const_16bit+1): Don't sign-extend LOW.
13337 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13338 step.
13339 (*double_shori): Fix the split condition. Use GEN_INT instead
13340 of get_int_mode calls. Mask lower 16-bit of the argument of
13341 the last GEN_INT.
13342 (sym2GOTPLT): Remove.
13343 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13344 gen_rtx_UNSPEC.
13345 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13346 instead of EXTRA_CONSTRAINT_C16.
13348 2006-01-07 Ian Lance Taylor <ian@airs.com>
13349 David Edelsohn <edelsohn@gnu.org>
13351 PR rtl-optimization/25662
13352 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13353 for constant operands instead of simplify_gen_binary.
13354 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13355 after trying simplify_binary_operation
13357 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13359 * tree.c (iterative_hash_expr): Hash decls based on UID.
13361 2006-01-06 Eric Christopher <echristo@apple.com>
13363 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13364 (TARGET_UNWIND_EMIT): Fix spelling.
13365 * target.h (gcc_target): Add except_table_label.
13366 * except.c (output_function_exception_table): Use.
13367 * varasm.c (default_emit_except_table_label): New.
13368 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13369 define.
13370 (asm_out): Add here.
13371 * output.h (default_emit_except_table_label): Prototype.
13372 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13373 * config/darwin.c (darwin_emit_except_table_label): Define.
13374 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13376 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13378 PR tree-optimization/18527
13379 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13380 number_of_iterations_special, number_of_iterations_exit):
13381 Move base and step of an iv to a single structure. Add
13382 no_overflow flag, and use it in # of iterations analysis.
13383 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13384 folded_casts argument.
13385 (simple_iv): Pass base and step in a structure. Set no_overflow
13386 flag.
13387 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13388 Evaluate expensiveness of computing # of iterations instead of
13389 the final expression.
13390 * tree-scalar-evolution.h (affine_iv): New structure.
13391 (simple_iv): Declaration changed.
13392 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13393 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13394 find_givs_in_stmt): Changed due to simple_iv change.
13396 2006-01-06 Jeff Law <law@redhat.com>
13398 PR ada/24994
13399 * tree-cfg.c (bsi_replace): Rename final argument from
13400 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13401 change (stmt -> orig_stmt).
13402 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13403 (bsi_remove): Add new argument. Remove EH information
13404 if requested.
13405 (verify_eh_throw_table_statements): New function.
13406 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13407 updated.
13408 * tree-optimize.c (execute_free_cfg_annotations): Verify
13409 the EH throw statement table after removing annotations.
13410 * except.h (verify_eh_throw_table_statements): Prototype.
13411 * tree-flow.h (bsi_remove): Update prototype.
13412 * tree-vrp.c (remove_range_assertions): Add new argument to
13413 bsi_remove call.
13414 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13415 * tree-complex.c (expand_complex_div_wide): Likewise.
13416 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13417 * tree-tailcall.c (eliminate_tailcall): Likewise.
13418 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13419 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13420 * tree-nrv.c (tree_nrv): Likewise.
13421 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13422 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13423 (combine_blocks): Likewise.
13424 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13425 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13426 (cleanup_control_flow): Likewise.
13427 (remove_forwarder_block): Likewise.
13428 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13429 * tree-sra.c (sra_replace): Likewise.
13430 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13431 (forward_propagate_single_use_vars): Likewise.
13432 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13433 * tree-inline.c (expand_call_inline): Likewise.
13434 * tree-vect-transform.c (vect_transform_loop): Likewise.
13435 * tree-outof-ssa.c (rewrite_trees): Likewise.
13436 * tree-cfg.c (make_goto_expr_edges): Likewise.
13437 (cleanup_dead_labels): Likewise.
13438 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13439 (bsi_move_before, bsi_move_after): Likewise.
13440 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13441 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13443 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13445 PR tree-opt/25528
13446 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13447 and IMAGPART_EXPR.
13448 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13449 on non gimple variables. Also add checks at the top for decls and
13450 mtags.
13451 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13452 complex types.
13453 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13454 and IMAGPART_EXPR for creating MUST_DEFs.
13455 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13456 and NAME_MEMORY_TAG separately from the DECLs.
13458 2006-01-06 Richard Guenther <rguenther@suse.de>
13460 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13461 annotation, if necessary.
13462 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13463 redundant calls to update_stmt.
13464 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13465 Likewise.
13467 2006-01-05 Richard Henderson <rth@redhat.com>
13469 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13471 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13473 * c-typeck.c: Update copyright date.
13475 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13477 * c-typeck.c (build_c_cast): Always warn when casting
13478 from a pointer to an integer of different size, even if
13479 the node was constant.
13481 2006-01-05 Richard Guenther <rguenther@suse.de>
13483 PR tree-optimization/22555
13484 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13485 if one structure field is an array.
13486 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13487 operands even if we found a subvar, but ignore VOPs in this
13488 case.
13489 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13490 for renaming.
13491 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13493 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13495 PR middle-end/24998
13496 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13498 2006-01-05 Richard Guenther <rguenther@suse.de>
13499 Diego Novillo <dnovillo@redhat.com>
13501 * tree-pass.h (TODO_remove_unused_locals): Define.
13502 * gimple-low.c (expand_var_p, remove_useless_vars,
13503 pass_remove_useless_vars): Remove. Update all users.
13504 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13505 (remove_unused_locals): New function.
13506 * tree-flow.h (remove_unused_locals): Declare.
13507 * passes.c (execute_todo): Call remove_unused_locals if
13508 TODO_remove_unused_locals is set.
13509 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13510 * tree-ssa-dce.c (pass_dce): Likewise.
13511 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13513 2006-01-05 Richard Guenther <rguenther@suse.de>
13515 * tree-flow.h (struct fieldoff): Decompose field to
13516 type, size and decl.
13517 * tree-ssa-alias.c (create_sft): Take type as parameter.
13518 (create_overlap_variables_for): Store type, size and decl
13519 in the fieldoff structure.
13520 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13521 of struct fieldoff.
13522 (push_fields_onto_fieldstack): Likewise.
13523 (create_variable_info_for): Likewise. Use offset for the
13524 SFT name if the decl is not available.
13526 2006-01-04 Paul Brook <paul@codesourcery.com>
13528 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13530 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13532 * lambda-code.c (can_put_in_inner_loop): Relax
13533 restrictions.
13534 (can_put_after_inner_loop): New function.
13535 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13536 (perfect_nestify): Change to make copies and modify uses.
13538 2006-01-04 Richard Henderson <rth@redhat.com>
13540 Merge from gomp branch:
13541 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13542 via integer constant.
13543 (pragma_lex): Remove.
13544 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13545 rather than parsing it.
13546 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13547 handle_pragma_extern_prefix): Add %< %> quotes.
13548 (registered_pragmas): New.
13549 (c_register_pragma_1): New.
13550 (c_register_pragma): Use it.
13551 (c_register_pragma_with_expansion): Likewise.
13552 (c_invoke_pragma_handler): New.
13553 (init_pragma): Use cpp_register_deferred_pragma directly for
13554 pch_preprocess.
13555 * c-pragma.h (enum pragma_kind): New.
13556 (pragma_handler): New.
13557 (c_invoke_pragma_handler): Declare.
13558 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13559 CPP_PRAGMA_EOL.
13560 * c-common.h (c_common_pch_pragma): Update decl.
13561 * Makefile.in (c-parser.o): Update dependencies.
13562 (GTFILES): Add c-pragma.h.
13563 * c-parser.c (struct c_token): Add pragma_kind.
13564 (struct c_parser): Add in_pragma.
13565 (c_lex_one_token): Always initialize keyword and pragma_kind.
13566 Extract data for CPP_PRAGMA.
13567 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13568 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13569 Don't allow CPP_PRAGMA_EOL if in_pragma.
13570 (c_parser_consume_pragma): New.
13571 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13572 (c_parser_skip_to_end_of_parameter): Likewise.
13573 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13574 (c_parser_skip_to_pragma_eol): New.
13575 (c_parser_external_declaration): Handle CPP_PRAGMA.
13576 (c_parser_compound_statement_nostart): Likewise.
13577 (c_parser_statement_after_labels): Likewise.
13578 (c_parser_pragma): New.
13579 (pragma_lex): Likewise.
13580 (c_parser_pragma_pch_preprocess): New.
13581 (c_parser_new): Merge into ...
13582 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13584 2006-01-04 Jeff Law <law@redhat.com>
13586 PR ada/24994
13587 * tree-cfg.c (bsi_replace): Remove the original statement
13588 from the EH throw statement table.
13590 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13592 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13593 make the prototype extern "C" and add throw ().
13595 PR target/25554
13596 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13597 and pos non-negative and pos + len <= 32.
13598 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13599 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13600 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13602 PR c/25559
13603 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13604 as well as sizes not multiple of component size.
13606 PR debug/25562
13607 * function.c (instantiate_expr): New function.
13608 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13609 walk its DECL_VALUE_EXPR with instantiate_expr.
13611 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13612 DW_OP_deref{,_size} if address isn't going to be added.
13614 2006-01-04 Ben Elliston <bje@au.ibm.com>
13616 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13617 * config/fp-bit.c: Likewise.
13619 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13621 * dominance.c: Add comment about why we use DFS numbering
13622 of dominance tree.
13624 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13625 Richard Henderson <rth@redhat.com>
13627 Merge from gomp-branch:
13628 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13629 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13631 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13633 PR rtl-optimization/25578
13634 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13635 pass a parameter to simplify_shift_const if changing ASHIFTRT
13636 to LSHIFTRT.
13638 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13640 * builtins.c (get_builtin_sync_mem): New function.
13641 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13642 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13643 Call get_builtin_sync_mem to generate mem rtx.
13645 2006-01-03 Richard Guenther <rguenther@suse.de>
13647 PR c/25183
13648 * stmt.c (add_case_node): Make sure to clear overflow flags
13649 from ranges.
13651 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13653 Merge from gomp-branch.
13654 * config/sparc/sync.md: New file.
13655 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13656 UNSPECV_LDSTUB): New constants.
13657 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13658 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13659 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13660 prototype.
13662 2006-01-03 Roger Sayle <roger@eyesopen.com>
13664 * combine.c (reg_subword_p): New predicate to test whether the
13665 destination of a set refers to a subword/piece of a register.
13666 (try_combine): Generalize the code to merge the setting of a
13667 pseudo to a constant followed by a set of a subword of that
13668 register to a constant.
13670 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13672 * basic-block.h (control_flow_graph): Change the type of
13673 x_label_to_block_map to VEC(basic_block,gc) *.
13674 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13675 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13677 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13678 VEC(basic_block,heap) *.
13679 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13680 ssa_prop_fini): Adjust the uses of cfg_blocks.
13682 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13684 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13685 COMPONENT_REFs.
13686 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13687 hashing trees instead of a pointer hash.
13688 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13689 compare for MEM_EXPR.
13691 PR rtl-optimization/25130
13692 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13693 when comparing MEMs for GCSE
13695 2006-01-03 Ben Elliston <bje@au.ibm.com>
13697 * targhooks.h (default_decimal_float_supported_p): Declare.
13698 * targhooks.c (default_decimal_float_supported_p): Define.
13699 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13700 `default_decimal_float_supported_p'.
13701 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13703 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13705 * combine.c (apply_distributive_law <SUBREG>): Check
13706 TRULY_NOOP_TRUNCATION.
13708 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13710 * dwarf2out.c (have_switched_text_section): Delete.
13711 (have_multiple_function_sections): New.
13712 (have_location_lists): Make 'bool'.
13713 (add_AT_loc_list): Use 'true' not '1'.
13714 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13715 (output_loc_list): Use have_multiple_function_sections.
13716 (output_ranges): Likewise.
13717 (dwarf2out_begin_function): Set have_multiple_function_sections if
13718 necessary.
13719 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13720 Check function_section rather than DECL_SECTION_NAME.
13721 (dwarf2out_finish): Use have_multiple_function_sections.
13722 Don't clear have_location_lists.
13724 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13725 Jan Hubicka <jh@suse.cz>
13727 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13728 case of conditional jump jumping to the next instruction.
13729 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13730 cases of conditional jump jumping to the next instruction.
13732 2006-01-02 Jan Hubicka <jh@suse.cz>
13734 * i386.c (*_cost): Add COSTS_N_INSNS.
13735 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13737 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13739 PR target/25259
13740 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13742 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13744 * config/arm/arm.c (all_fpus): Fix comment typo.
13745 * config/darwin.c: Likewise.
13746 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13747 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13748 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13750 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13752 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13753 (rs6000_split_compare_and_swapqhi): New.
13754 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13755 (sync_compare_and_swapqhi_internal): New.
13756 * config/rs6000/rs6000-protos.h: Declare.