1 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3 PR tree-optimization/26969
4 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5 with an empty list of PHIs.
7 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
11 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
14 2006-08-06 Andreas Schwab <schwab@suse.de>
16 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
17 string. Whitespace and comment fixup.
19 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
22 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
26 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
29 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
31 2006-08-04 Jan Hubicka <jh@suse.cz>
35 * reload.c (push_reload): Patch out the mismatching instruction;
37 (find_reload): Bail out if the instruction was patched out.
39 2006-08-04 Jan Hubicka <jh@suse.cz>
41 PR tree-optimization/24888
42 * tree-inline.c (expand_call_inline): Do not re-record variables.
43 (declare_inline_vars): Add variable to unexpanded_var_list.
45 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
46 Roger Sayle <roger@eyesopen.com>
48 PR rtl-optimization/26244
49 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
50 inner_const are negative or greater than or equal to the bitsize of
51 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
52 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
53 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
54 CONST0_RTX (mode) when the new shift count is greater than or equal to
55 to the bitsize of the object being shifted and XEXP (y, 0) has no side
58 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
60 * tree-cfg.c: Fix a comment typo.
62 2006-08-03 Mark Mitchell <mark@codesourcery.com>
65 * varasm.c (output_constant): Give the front end another chance to
66 expand constants, after stripping NOPs.
68 2006-08-03 Jan Hubicka <jh@suse.cz>
70 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
73 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
75 PR tree-optimization/27770
76 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
77 declaration removed (moved to tree-flow.h).
78 (vect_can_force_dr_alignment_p): Likewise.
79 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
80 (moved from tree-vectorizer.h).
81 (vect_can_force_dr_alignment_p): Likewise.
82 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
83 from outside the vectorizer - in particular from cgraph stage.
84 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
85 the alignment of global arrays when -fsection-anchors is enabled.
86 * cgraphunit.c (cgraph_increase_alignment): New function.
87 (cgraph_optimize): Call cgraph_increase_alignment.
89 2006-08-03 David Edelsohn <edelsohn@gnu.org>
92 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
93 not reload a SPE symbol_ref into a lo_sum address.
95 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
98 * dwarf2out.c (prune_unused_types_prune): Move call to
99 prune_unused_types_update_strings to cover the parent DIE also.
101 2006-08-02 Jan Hubicka <jh@suse.cz>
103 PR gcov/profile/28480
104 * tree-cfg.c (change_bb_for_stmt): New function.
105 (tree_merge_blocks, tree_split_blocks): Use it.
107 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
113 * toplev.c (compile_file): Return early on errorcount or sorrycount.
114 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
115 (cgraph_optimize): Likewise.
117 2006-08-01 Stuart Hastings <stuart@apple.com>
119 * rtl.h (UINTVAL) New.
120 * config/rs6000/rs6000.c (SMALL_INT) Use it.
121 * testsuite/gcc.dg/20060801-1.c: New.
123 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
126 * c-typeck.c (build_external_type): Mark used enum types.
127 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
129 (gen_subprogram_die): Whitespace fix.
131 2006-08-01 Jan Hubicka <jh@suse.cz>
133 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
134 bitmap when not needed.
135 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
138 2006-08-01 Dirk Mueller <dmueller@suse.de>
140 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
142 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
144 * Makefile.in: Revert part of previous patch:
145 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
148 2006-07-30 Eric Christopher <echristo@apple.com>
151 * doc/extend.texi (i386 Variable Attributes): Add anchor.
152 (PowerPC Variable Attributes): New section.
154 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
156 PR target/28126 (partial fix)
157 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
159 2006-07-28 Jan Hubicka <jh@suse.cz>
161 PR rtl-optimization/28071
162 * cfgrtl.c (rtl_delete_block): Free regsets.
163 * flow.c (allocate_bb_life_data): Re-use regsets if available.
165 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
167 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
168 and variables used in dependencies.
170 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
172 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
173 %fs for -mcmodel=kernel.
174 (stack_tls_protect_test_di): Likewise.
176 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
178 * Makefile.in: Use mkinstalldirs.
180 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
183 * opts-common.c (prune_options): Skip joined switches.
185 2006-07-27 Jan Hubicka <jh@suse.cz>
187 PR rtl-optimization/28071
188 * cselib.c (cselib_process_insn): Don't remove useless values too
189 often for very large hashtables.
191 2006-07-27 Jan Hubicka <jh@suse.cz>
193 PR rtl-optimization/28071
194 * global.c (greg_obstack): New obstack.
195 (allocate_bb_info): Use it.
196 (free_bb_info): Likewise.
197 (modify_reg_pav): Likewise.
199 2006-07-27 Roger Sayle <roger@eyesopen.com>
201 * builtins.c (fold_fixed_mathfn): When long and long long are the
202 same size, canonicalize llceil*, llfloor*, llround* and llrint*
203 functions to their lceil*, lfloor*, lround* and lrint* forms.
205 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
208 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
210 (rev_branch_insn): Likewise.
212 2006-07-27 Jan Hubicka <jh@suse.cz>
214 PR rtl-optimization/28071
215 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
216 (reg_set_in_bb, max_reg_computed): New static variables.
217 (regmove_optimize): Free the new array.
218 (fixup_match_1): Update call of reg_is_remote_constant_p.
220 2006-07-26 Jan Hubicka <jh@suse.cz>
222 PR tree-optimization/27882
223 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
225 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
227 (cgraph_analyze_compilation_unit): Likewise.
228 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
229 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
230 (cgraph_early_inlinine): Make order garbage collected.
231 * Makefile.in (gt-ipa-inline): New garbagecollected file.
233 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
235 * dbxout.c (output_types_sort): Add a comment.
236 (output_used_types): Free the VEC.
238 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
240 * function.c (reorder_fix_fragments): Delete.
241 (reorder_blocks): Don't call it.
242 (reorder_blocks_1): Put all subblocks under the origin block.
244 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
246 PR rtl-optimization/27907
247 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
250 2006-07-25 Roger Sayle <roger@eyesopen.com>
253 * convert.c (convert_to_integer): When transforming (T)foo(x) into
254 bar(x) check that bar's result type can represent all the values of T.
256 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
258 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
260 2006-07-25 Nick Clifton <nickc@redhat.com>
262 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
264 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
265 (ggc_pch_count_object): Likewise.
266 (ggc_pch_alloc_object): Likewise.
267 (ggc_pch_write_object): Likewise.
268 (init_ggc): Do not attempt to initialize entries in the
269 size_lookup[] array for objects whose size is greater than than
270 the length of the array.
272 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
274 * dbxout.c (output_used_types_helper): Push queued types
276 (output_types_sort): New.
277 (output_used_types): Collect used types on a VEC and sort them
280 2006-07-24 Richard Guenther <rguenther@suse.de>
283 * cgraph.c (cgraph_remove_node): Do not check if dumps
285 * cgraphunit.c (cgraph_optimize): Likewise.
287 2006-07-24 Jan Hubicka <jh@suse.cz>
289 PR rtl-optimization/28071
290 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
291 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
292 splitting before first stmt.
294 2006-07-24 Jan Hubicka <jh@suse.cz>
296 PR rtl-optimization/28071
297 * ipa-inline.c (update_caller_keys): Remove edges that
298 are no longer inline candidates.
300 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
303 * dbxout.c (output_used_types_helper, output_used_types): New.
304 (dbxout_symbol): Call output_used_types.
306 2006-07-23 Jan Hubicka <jh@suse.cz>
310 * cgraph.c (cgraph_varpool_nodes): Export.
311 (decide_is_variable_needed): Ignored "used" attribute in
313 * cgraph.h (cgraph_varpool_nodes): Declare.
314 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
317 2006-07-23 Roger Sayle <roger@eyesopen.com>
320 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
321 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
322 the __gthrw form of thr_keycreate.
323 (__gthread_key_delete): Silence the unused argument warning.
325 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
328 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
329 Cache the last found '\0' marker to avoid quadratic behavior.
331 2006-07-23 Jan Hubicka <jh@suse.cz>
333 * i386.md (subsi_3_zext): Fix output template.
335 2006-07-21 Mike Stump <mrs@apple.com>
337 * doc/invoke.texi (C++ Dialect Options): Note that
338 -fvisibility-inlines-hidden doesn't affect explicitly
339 instantiationed inline methods.
341 2006-07-20 Roger Sayle <roger@eyesopen.com>
343 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
344 if the target assembler is GNU binutils' gas.
345 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
346 whether to pass GNU gas or native as command line options.
348 2006-07-20 Jason Merrill <jason@redhat.com>
350 * tree.c (remove_attribute): New fn.
351 * tree.h: Declare it.
353 2006-07-20 Paul Brook <paul@codesourcery.com>
356 * cse.c (cse_insn): Add destination addresses to hash table. Check if
357 they are invalidated by this instruction.
359 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
362 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
364 2006-07-20 Eric Christopher <echristo@apple.com>
367 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
369 2006-07-19 Eric Christopher <echristo@apple.com>
371 * config/t-slibgcc-darwin (stmp-lipo): Remove.
372 Rewrite dependencies for libgcc_s.1.dylib.
374 2006-07-19 Jakub Jelinek <jakub@redhat.com>
376 * except.c (duplicate_eh_regions_1): Clear next_peer.
378 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
380 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
381 -mlongcall does not guarantee all calls will be long.
382 * doc/extend.texi (long_call/short_call): Document that longcall
383 does not guarantee a long call will be used.
384 (longcall/shortcall): Likewise.
386 2006-07-18 Roger Sayle <roger@eyesopen.com>
389 * expmed.c (expand_shift): Additionally check that the shift_cost
390 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
391 before implementing a LSHIFT_EXPR as a sequence of additions.
392 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
393 middle-end that DImode shifts need to be synthesized by expand.
395 2006-07-18 Diego Novillo <dnovillo@redhat.com>
398 * tree-ssa-operands.c (access_can_touch_variable): Update
400 Return true if ALIAS is .GLOBAL_VAR.
402 2006-07-18 David Daney <ddaney@avtrex.com>
404 * gcc.c (display_help): Fix typo in help text.
406 2006-07-18 Olivier Hainque <hainque@adacore.com>
408 * tree.h (categorize_ctor_elements): Adjust prototype and add
409 descriptive comment, both in accordance with the interface change
411 * varasm.c (constructor_static_from_elts_p): New function.
412 Whether a constructor node is a valid static constant initializer
413 if all its elements are.
414 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
415 * output.h: Declare it.
416 * expr.c (categorize_ctor_elements_1): Return whether the constructor
417 is a valid constant initializer instead of computing the number of
418 non-constant elements. Use constructor_static_from_elts_p for this
419 purpose. Replace the head comment with an indication that this is a
420 helper for categorize_ctor_elements.
421 (categorize_ctor_elements): Same interface change as for the _1
422 helper. Former head comment from this helper moved here, adjusted to
423 account for the interface changes.
424 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
425 (all_zeros_p): Likewise.
426 * gimplify.c (gimplify_init_constructor): Decide whether we can make
427 static versions of the constructor from the categorize_ctor_elements
428 return value instead of the formerly computed number of non-constant
431 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
433 * configure: Regenerate.
434 * Makefile.in (build_libsubdir): New configure substitution
435 (build_libobjdir): New variable.
436 (BUILD_LIBIBERTY): Use it.
438 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
441 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
443 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
446 * c-common.c (handle_weakref_attribute): Ignore attribute in
447 the same conditions the alias attribute is ignored.
449 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
451 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
452 (dbxout_begin_prologue): Increment scope_labelno.
454 2006-07-17 Richard Henderson <rth@redhat.com>
457 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
460 2006-07-17 Roger Sayle <roger@eyesopen.com>
461 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
463 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
464 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
465 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
466 functions such as sbrk, write, etc.. Add function prototypes.
467 Convert function declarations from K&R to ISO C. Cast pointers
468 to "long" and "unsigned long" instead of "int" and "unsigned int".
469 Convert tokens following #endif into comments.
471 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
473 * invoke.texi: Remove mention of f77; Reformat table for
474 inline parameter options correctly; mention that -malign-double
475 is default on x86-64 targets.
477 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
479 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
480 (convert_affine_scev, chrec_convert_aggressive): Use
481 avoid_arithmetics_in_type_p. Do not check for the subtypes
484 2006-07-17 Richard Sandiford <richard@codesourcery.com>
487 * optabs.c (expand_doubleword_shift): Wrap the call to
488 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
490 2006-07-17 Richard Sandiford <richard@codesourcery.com>
493 * optabs.c (expand_binop): Pass next_methods rather than methods
494 to expand_doubleword_shift.
496 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
499 * tree.h (dump_addr): Declare.
500 * print-tree.c (dump_addr): New function.
501 (print_node_brief, print_node): Use it.
502 * print-rtl.c (print_rtx): Likewise.
503 * common.opt (-fdump-noaddr): New option.
504 * doc/invoke.texi (-fdump-noaddr): Document.
505 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
506 (ve_info_hash): Likewise.
508 2006-07-13 Andrew Haley <aph@redhat.com>
510 PR tree-optimization/19505
511 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
512 edge leaving this block, make sure that the destination of this
513 block has only one predecessor.
515 2006-07-17 Richard Guenther <rguenther@suse.de>
517 PR tree-optimization/28238
518 * tree-inline.c (copy_bb): Check if we produced valid
519 gimple copying and substituting a stmt. If not, gimplify
522 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
524 * optabs.c (maybe_encapsulate_block): New function extracted from...
525 (emit_libcall_block): ...here. Invoke it on the block of insns to
526 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
527 (emit_no_conflict_block): Likewise.
529 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
531 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
533 2006-07-15 Roger Sayle <roger@eyesopen.com>
535 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
536 a new NOP_EXPR case of the switch statement.
538 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
541 * stor-layout.c (place_field): Take the bit field with
542 an excessive size into account in the ms-bitfiled case.
545 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
546 the previous bit field.
548 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
551 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
553 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
555 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
556 signal frames correctly even when the signal was installed with
559 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
561 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
562 (dbxout_function_end): Use local label LFBB. Remove hook
564 (dbxout_source_line): Use local label LFBB.
565 (dbxout_block): Likewise.
566 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
567 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
568 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
571 2006-07-13 Janis Johnson <janis187@us.ibm.com>
573 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
575 2006-07-13 Jan Hubicka <jh@suse.cz>
577 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
579 * output.h (align_variable): Declare.
580 * varasm.c (align_variable): Export.
581 * value-prof.c (tree_value_profile_transformations): Recompute iterator
582 when basic block changed.
584 2006-07-13 Nick Clifton <nickc@redhat.com>
586 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
587 walking the LOG_LINKS chain.
589 2006-07-12 Geoffrey Keating <geoffk@apple.com>
591 * doc/invoke.texi (C++ Dialect Options): Explain difference
592 between -fvisibility-inlines-hidden and setting hidden
593 visibility explicitly.
595 2006-07-12 Eric Christopher <echristo@apple.com>
597 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
598 (stmp-lipo): Depend on libgcc.a.
600 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
602 * tree.c: Fix a comment typo.
604 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
606 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
608 (umulhisi3_r): Likewise.
610 2006-07-12 Paolo Carlini <pcarlini@suse.de>
613 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
614 x < 19, vs wchar_t support.
616 2006-07-12 Nick Clifton <nickc@redhat.com>
618 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
621 2006-07-12 Mike Stump <mrs@apple.com>
623 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
625 2006-07-10 Eric Christopher <echristo@apple.com>
627 * config/t-slibgcc-darwin: Rewrite.
629 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
632 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
635 2006-07-08 Matthias Klose <doko@debian.org>
637 * doc/sourcebuild.texi: Fix typo.
639 2006-07-07 Mike Stump <mrs@apple.com>
641 * toplev.c (process_options): Don't give -ffunction-sections may
642 affect debugging warning for Mach-O.
644 2006-07-07 James E Wilson <wilson@specifix.com>
646 * config/mips/mips.md (cpu): Add sb1a.
647 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
648 addition to sb1. Adjust comments to clarify SB-1A differences from
650 (ir_sb1a_load): New. Modify bypasses to use it.
651 (ir_sb1a_simple_alu): Likewise.
652 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
653 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
654 (mips_issue_rate): Add PROCESSOR_SB1A.
655 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
656 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
657 (TARGET_SB1): Add PROCESSOR_SB1A check.
658 (TUNE_SB1): Likewise.
660 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
661 * config/mips/mips.c (mips_store_data_bypass_p): New.
662 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
665 2006-07-08 Paul Brook <paul@codesourcery.com>
668 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
670 2006-07-07 Richard Guenther <rguenther@suse.de>
673 * tree.h (build_one_cst): Declare.
674 * tree.c (build_one_cst): New function.
675 * tree-ssa-math-opts.c (get_constant_one): Remove.
676 (insert_reciprocals): Use build_one_cst.
677 * fold-const.c (fold_plusminus_mult): Likewise.
679 2006-07-07 Roger Sayle <roger@eyesopen.com>
681 * pointer-set.c (pointer_set_destroy): Correct whitespace.
682 * cfgloopanal.c (dump_graph): Likewise.
683 * dojump.c (discard_pending_stack_adjust): Likewise.
684 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
686 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
687 * function.c (finalize_block_changes): Likewise.
688 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
689 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
690 * rtl.c (dump_rtx_statistics): Likewise.
691 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
693 * varray.c (dump_varray_statistics): Likewise.
694 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
695 decode_decimal64, encode_decimal128, decode_decimal128,
696 decimal_real_to_decimal): Likewise.
698 2006-07-07 Richard Guenther <rguenther@suse.de>
700 PR tree-optimization/28187
701 * tree-vrp.c (vrp_operand_equal_p): New function.
702 (vrp_bitmap_equal_p): Likewise.
703 (update_value_range): Use them to compare old and new
706 2006-07-06 Roger Sayle <roger@eyesopen.com>
708 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
709 a default case to switch statement to silence compiler warnings.
711 2006-07-06 Roger Sayle <roger@eyesopen.com>
714 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
715 the configured assembler supports the x87's ffreep mnemonic.
716 * configure: Regenerate.
717 * config.in: Regenerate.
719 * config/i386/i386.c (output_387_ffreep): New function.
720 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
721 (output_387_reg_move): Likewise.
723 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
725 Port to hosts whose 'sort' and 'tail' implementations
726 treat operands with leading '+' as file names, as POSIX
727 has required since 2001. However, make sure the code still
728 works on pre-POSIX hosts.
729 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
730 which says you should use "tail -c +N" rather than "tail +Nc".
731 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
733 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
735 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
738 2006-07-06 David Edelsohn <edelsohn@gnu.org>
741 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
742 PRE_{INC,DEC} of TFmode.
744 2006-07-06 David Edelsohn <edelsohn@gnu.org>
745 Alan Modra <amodra@bigpond.net.au>
748 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
751 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
754 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
755 Remove duplicate gtu.
757 2006-07-05 Jason Merrill <jason@redhat.com>
761 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
762 * c-common.c (handle_packed_attribute): So don't copy it here.
763 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
765 2006-07-05 Mike Stump <mrs@apple.com>
767 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
769 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
772 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
774 2006-07-05 Richard Guenther <rguenther@suse.de>
777 * config/i386/i386.md (*negdf2_1): Restrict pattern to
778 TARGET_SSE2 targets if using SSE math.
779 (*absdf2_1): Likewise.
781 2006-07-05 Richard Guenther <rguenther@suse.de>
783 PR tree-optimization/28162
784 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
785 make sure to convert the operands to the correct type.
787 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
789 PR tree-optimization/28218
791 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
792 to calculate and free the dominator information.
794 2006-07-04 Peter O'Gorman <peter@pogma.com>
796 * mklibgcc.in: chmod 644 before ranlib during install.
798 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
799 J"orn Rennecke <joern.rennecke@st.com>
801 * configure.ac (.eh_frame data check): Use diff -b.
803 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
806 * Makefile.in (BUILD_RTL): Add build/vec.o.
807 (build/gencondmd.o): Filter out -fkeep-inline-functions.
808 (build/genextract): Delete.
809 (build/genautomata): Likewise.
811 2006-07-04 Alan Modra <amodra@bigpond.net.au>
814 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
815 128-bit IBM long doubles for ABI_V4.
817 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
819 * tree.c (range_in_array_bounds_p): New predicate.
820 * tree.h (range_in_array_bounds_p): Declare it.
821 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
822 return a less conservative answer.
823 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
825 (IS_ELEMENT_FOR_GROUP): New macro.
826 (FOR_EACH_ACTUAL_CHILD): Likewise.
827 (next_child_for_group): New helper function.
828 (can_completely_scalarize_p): Take into account groups.
829 (sra_hash_tree): Handle RANGE_EXPR.
830 (sra_elt_eq): Likewise.
831 (lookup_element): Be prepared for handling groups.
832 (is_valid_const_index): Delete.
833 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
834 instead of is_valid_const_index.
835 <ARRAY_RANGE_REF>: New case.
836 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
837 is_valid_const_index.
838 <ARRAY_RANGE_REF>: Do not unconditionally punt.
839 (scan_dump): Dump info for groups too.
840 (decide_instantiation_1): Likewise.
841 (decide_block_copy): Assert that the element is not a group.
842 Propagate decision to groups.
843 (generate_one_element_ref): Handle RANGE_EXPR.
844 (mark_no_warning): Iterate over actual childs.
845 (generate_copy_inout): Likewise.
846 (generate_element_copy): Likewise.
847 (generate_element_zero): Likewise.
848 (generate_element_init_1): Likewise.
849 (dump_sra_elt_name): Handle RANGE_EXPR.
851 2006-07-03 Roger Sayle <roger@eyesopen.com>
853 PR tree-optimization/26251
854 * tree-ssa-threadupdate.c (redirection_block_p): New function.
855 (thread_block): When optimizing for size refuse to thread jumps
856 that would require duplication of blocks other than redirection
859 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
861 * configure.ac: Fix thinko in previous check-in.
862 * configure: Regenerate.
864 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
867 * configure.ac (for lang...): Simplify nesting of conditionals.
868 Test subdir_requires for non-enabled languages. Move processing
869 of lang_opt_files and lang_tree_fiels below that test.
870 * configure: Regenerate.
871 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
873 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
875 * doc/gcov.texi (Invoking Gcov): Add a missing word.
877 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
879 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
882 2006-06-29 Jason Merrill <jason@redhat.com>
889 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
890 * c-common.c (c_determine_visibility): Handle it here.
891 * c-decl.c (finish_decl): Call c_determine_visibility for
893 * flags.h (enum symbol_visibility): Sort from most to least visibility.
895 * varasm.c (default_assemble_visibility): Likewise.
896 * c-common.c (handle_visibility_attribute): Complain about trying
897 to give visibility to an already defined class, or trying to change
898 declared visibility. Always attach the attribute.
903 * attribs.c (decl_attributes): Ignore type-in-place attributes
904 once the type has been defined.
906 2006-06-29 Roger Sayle <roger@eyesopen.com>
909 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
910 to indicate the cpplib has issued an error message for us.
912 2006-06-29 Asher Langton <langton2@llnl.gov>
915 * config/i386/i386.c (ix86_output_function_epilogue): Don't
916 insert a label at the end of an function under Mach-O.
918 2006-06-29 Eric Christopher <echristo@apple.com>
919 Evan Cheng <evan.cheng@apple.com>
921 * predicates.md (vector_all_ones_operand): New.
922 (nonimmediate_or_sse_const_operand): Ditto.
923 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
924 * config/i386/i386.c (standard_sse_constant_opcode): Define.
925 (standard_sse_mode_p): Ditto.
926 (standard_sse_constant_p): Add case for -1 vector.
927 (ix86_expand_vector_move): Try to use.
928 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
929 Call standard_sse_constant_opcode.
930 (*movv4sf_internal): Ditto.
931 (*movv2df_internal): Ditto.
933 2006-06-29 Roger Sayle <roger@eyesopen.com>
935 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
936 of XEXP to extract the operands of a MATCH_CODE rtx.
938 2006-06-28 Andrew Pinski <pinskia@gmail.com>
940 * tree.c (tree_size): Do not waste tail padding in
941 struct tree_string and make the size be the same as
942 build_string will generate.
944 2006-06-28 Jason Merrill <jason@redhat.com>
947 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
948 may_aliases already in the tag's annotations to the bitmap.
950 2006-06-28 Roger Sayle <roger@eyesopen.com>
952 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
954 2006-06-28 Roger Sayle <roger@eyesopen.com>
956 * genpreds.c (generate_switch_p): New function.
957 (add_mode_tests): Push the new mode test down inside an AND expr
958 if this allows the switch-suitable MATCH_CODE to be near the root.
959 (write_match_code_switch): New function to write a MATCH_CODE as
961 (write_predicate_stmts): New function to write a predicate RTX
962 expression as a sequence of statements.
963 (write_one_predicate_function): Use write_predicate_stmts.
964 (write_tm_constrs_h): Likewise.
966 2006-06-26 Fred Fish <fnf@specifix.com>
968 * config/mips/t-sb1: New file.
969 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
972 2006-06-26 DJ Delorie <dj@redhat.com>
974 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
976 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
977 Jayant Sonar <jayants@kpitcummins.com>
978 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
980 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
981 (subsi3, subsi3_1, subsi3_2): New.
982 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
983 * config/m32c/mov.md (SI mov peephole): New.
984 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
985 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
987 2006-06-26 Olivier Hainque <hainque@adacore.com>
989 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
990 a CALL_EXPR target function declaration.
992 2006-06-26 Richard Guenther <rguenther@suse.de>
994 * tree.c (build_string): Do not waste tail padding in
997 2006-06-26 Richard Guenther <rguenther@suse.de>
999 * ggc-page.c (init_ggc): Add missing element to size_lookup
1003 2006-06-23 Richard Guenther <rguenther@suse.de>
1005 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1006 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1007 alignment requests instead. Add verification code.
1008 Add struct tree_function_decl and struct tree_binfo size to
1009 extra_order_size_table. Add missing element to size_lookup
1012 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1015 * fold-const.c (const_binop): Be prepared for self returning zero.
1016 Simplify code handling complex values.
1018 2006-06-24 Olivier Hainque <hainque@adacore.com>
1020 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1021 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1024 2006-06-24 Olivier Hainque <hainque@adacore.com>
1026 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1027 ARRAY_REF, so have the callback called for the low bound expression.
1029 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1031 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1032 * c-typeck.c (c_common_type): Disallow operations on decimal float
1033 types and other float types.
1034 * convert.c (convert_to_real): Don't ignore conversions involving
1035 decimal float types.
1037 2006-06-23 Olivier Hainque <hainque@adacore.com>
1039 * tree.c (max_int_size_in_bytes): New function, inspired from
1040 code in function.c:assign_temp.
1041 * tree.h (max_int_size_in_bytes): Declare.
1042 * function.c (assign_temp): Use it.
1043 * gimplify.c (create_tmp_var): Relax the assertions on the type
1044 properties, not mandating constant size any more.
1045 (force_constant_size): New static function.
1046 (gimple_add_tmp_var): Use it, forcing variable size to a
1047 constant upper bound if it is not constant on entry.
1049 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1052 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1053 for initialization and setting of one_only flag to ...
1054 (i386_pe_encode_section_info): ...here.
1055 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1056 Recheck that the symbol has not been defined.
1058 2006-06-23 Richard Guenther <rguenther@suse.de>
1060 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1061 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1062 alignment requests instead. Add verification code.
1063 Add struct tree_function_decl and struct tree_binfo size to
1064 extra_order_size_table. Add missing element to size_lookup
1067 2006-06-22 Roger Sayle <roger@eyesopen.com>
1068 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1071 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1072 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1074 2006-06-23 Ben Elliston <bje@au.ibm.com>
1076 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1077 negate dn -- manipulate it directly.
1079 2006-06-22 Roger Sayle <roger@eyesopen.com>
1080 Steven Bosscher <stevenb.gcc@gmail.com>
1083 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1084 generated by gen_move_insn to add REG_LABEL notes if necessary.
1086 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1088 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1089 (leaf_entry): Remove use of MIN_ESA.
1091 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1093 PR rtl-optimization/28121
1094 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1097 2006-06-21 DJ Delorie <dj@redhat.com>
1099 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1101 (mulhisi3_r): Likewise.
1103 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1106 * coverage.c (coverage_counter_alloc): Leave the index type
1108 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1111 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1113 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1114 section from the "Options for Code Generation Conventions".
1116 2006-06-21 Richard Henderson <rth@redhat.com>
1120 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1122 (global_symbolic_operand): Allow weak symbols, even if local_p.
1124 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1126 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1127 (find_interesting_uses_address): Punt if above function returns true.
1129 2006-06-21 Richard Guenther <rguenther@suse.de>
1131 * configure: Regenerated.
1133 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1135 * config/mips/mips.c (function_arg): Where one part of a
1136 complex argument is in registers and the other part in the stack,
1137 return a REG not a PARALLEL.
1139 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1141 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1142 when cross-compiling. Do not substitute libstdcxx_incdir.
1143 * configure: Regenerated.
1145 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1147 * varasm.c (mergeable_string_section): Check for embedded NULs and
1148 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1149 rather than TREE_STRING_LENGTH bytes.
1151 2006-06-21 Richard Guenther <rguenther@suse.de>
1153 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1154 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1157 2006-06-21 Richrad Guenther <rguenther@suse.de>
1159 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1160 Limit iteration over the dominators.
1162 2006-06-20 Roger Sayle <roger@eyesopen.com>
1164 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1165 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1167 2006-06-20 Richard Guenther <rguenther@suse.de>
1168 Michael Matz <matz@suse.de>
1170 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1172 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1173 * et-forest.h (et_free_pools): Prototype new function.
1174 * et-forest.c (et_free_tree_force): Free parent occurrence.
1175 (et_free_pools): New function.
1176 * dominance.c (free_dominance_info): Free et-forest alloc
1179 2006-06-20 Roger Sayle <roger@eyesopen.com>
1181 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1182 integer modes, attempt to directly construct an integer constant.
1184 * fold-const.c (native_encode_vector): Determine the size of each
1185 element from the vector type instead of the first vector element.
1187 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1188 if all of its elements/components are constant.
1189 (build_constructor_from_list): Likewise.
1191 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1193 PR tree-optimization/27331
1194 * tree-data-ref.c (free_data_ref): New function.
1195 (create_data_ref): Fail if the data reference has unknown access
1197 (free_data_refs): Use free_data_ref.
1199 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1202 * tree-inline.c (setup_one_parameter): Strip useless
1203 type conversion before adding it to the IR.
1204 (declare_return_variable): Likewise.
1206 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1209 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1211 2006-06-19 Mike Stump <mrs@apple.com>
1213 * tree.c (variably_modified_type_p): VM arguments don't make the
1216 2006-06-19 Richard Guenther <rguenther@suse.de>
1218 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1219 type conversions after folding.
1221 2006-06-19 Richard Guenther <rguenther@suse.de>
1223 * ggc-page.c (extra_order_size_tab): Add entries with
1224 size of struct function and basic_block.
1225 (size_lookup): Extend to cover sizes up to 511.
1226 (ggc_alloc_stat): Adjust user.
1227 (ggc_pch_count_object): Likewise.
1228 (ggc_pch_alloc_object): Likewise.
1229 (ggc_pch_write_object): Likewise.
1231 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1233 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1234 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1237 2006-06-19 Denis Chertykov <denisc@overta.ru>
1239 * config/avr/libgcc.S : Correct my wrong previous commit.
1241 2006-06-19 Roger Sayle <roger@eyesopen.com>
1244 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1245 have stripped a SUBREG from the shift count, so we may need to
1246 convert_to_mode back to the type's mode before calling make_tree.
1247 Use new_amount instead of amount to avoid expanding a tree twice.
1249 2006-06-19 Richard Guenther <rguenther@suse.de>
1252 * fold-const.c (operand_equal_p): Check if the argument types
1253 have the same precision before stripping NOPs.
1255 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1257 Fix PR tree-optimization/27341
1258 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1260 * tree-complex.c (pass_lower_complex): Update SMT usage.
1262 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1264 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1265 Add a new alternative to the constraint strings. Add move of
1266 operand 1 to 3 to the splitter definition.
1267 ("doloop_si_long"): Second contraint alternative removed.
1269 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1271 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1272 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1274 (AVR_HAVE_MOVW) Define.
1275 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1276 (ASM_SPEC): Add avr25.
1277 (LINK_SPEC): Add avr25.
1278 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1279 (base_arch_s): Add new member 'have_movw_lpmx'.
1280 (avr_arch_types): Init 'have_movw_lpmx'.
1281 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1282 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1283 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1284 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1285 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1287 (avr_file_start): Do not output '.arh' derective.
1288 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1289 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1290 * config/avr/avr.md (mcu_enhanced): Delete.
1291 (mcu_have_movw): Define.
1292 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1293 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1294 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1295 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1296 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1297 attiny861 and at86rf401 devices.
1299 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1301 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1304 2006-06-17 Karl Berry <karl@gnu.org>
1306 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1307 doc/gccint.texi, doc/install.texi (@dircategory): Use
1308 "Software development" instead of "Programming", following
1309 the Free Software Directory.
1311 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1313 * config/i386/i386.c (legitimate_tls_address)
1314 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1315 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1316 (*tls_dynamic_gnu2_combine_64): Likewise.
1318 2006-06-16 Richard Guenther <rguenther@suse.de>
1321 * fold-const.c (negate_expr_p): Do not introduce undefined
1322 overflow in negating INTEGER_CSTs.
1323 (fold_negate_expr): Rename from negate_expr. Revert last
1324 change for folding BIT_NOT_EXPR. Change semantics to
1325 return NULL_TREE for non-simplified negations. Do not
1326 strip type conversions and unify type handling.
1327 (negate_expr): New function, wrap around fold_negate_expr
1328 but ensure building a tree always. Strip type conversions
1329 here, fold to result type.
1330 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1332 2006-06-16 Roger Sayle <roger@eyesopen.com>
1335 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1336 that (would) return their results in stack registers.
1338 2006-06-16 Michael Matz <matz@suse.de>
1339 Richard Guenther <rguenther@suse.de>
1341 * fold-const.c (fold_truthop): Only return new tree node if
1342 we canonicalized something.
1344 2006-06-16 Richard Guenther <rguenther@suse.de>
1346 * function.h (enum function_frequency): Move declaration
1347 out of struct function.
1348 (struct function): Move bool fields and the enum to the bitfield
1349 section. Reorder elements to avoid padding. Remove unused
1350 fields left over from the RTL inliner removal.
1351 * function.c (free_after_compilation): Do not zero removed fields.
1352 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1353 (ipa-type-escape.o): Likewise.
1355 2006-06-16 Richard Guenther <rguenther@suse.de>
1357 * cgraph.h (struct cgraph_local_info): Turn bool elements
1359 (struct cgraph_node): Likewise.
1360 (struct cgraph_varpool_node): Likewise.
1362 2006-06-15 Richard Guenther <rguenther@suse.de>
1364 * fold-const.c (fold_truth_not_expr): Rename from
1365 invert_truthvalue. Give it fold_* semantics to avoid
1367 (invert_truthvalue): New function. Wrapper around
1368 fold_truth_not_expr.
1369 (optimize_minmax_comparison): Avoid creating garbage.
1370 (fold_unary): Use fold_truth_not_expr for folding
1372 (fold_ternary): Replace uses of invert_truthvalue with
1373 fold_truth_not_expr where applicable.
1374 * tree.h (fold_truth_not_expr): Prototype.
1376 2006-06-16 Richard Guenther <rguenther@suse.de>
1378 PR tree-optimization/27781
1379 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1380 * ipa-pure-const.c (target.h): Include.
1381 (analyze_function): Do not analyze functions that do not
1384 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1387 * tree-dfa.c (referenced_vars_dup_list): Remove.
1388 (find_referenced_vars): Remove assert.
1389 (referenced_var_check_and_insert): Replace dup list with assert.
1390 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1391 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1393 2006-06-15 Richard Guenther <rguenther@suse.de>
1395 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1396 extra unused identifiers if not dumping.
1397 (create_variable_info_for): Likewise.
1399 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1401 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1402 (derive_constant_upper_bound): Derive more precise upper bound in
1403 common cases. Return type changed to double_int.
1404 (record_estimate): Reflect the changed return type of
1405 derive_constant_upper_bound.
1406 * double-int.c (double_int_zext, double_int_sext): Fix.
1408 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1410 * configure.ac (CFLAGS): Get them from the toplevel or from the
1411 configure invocation.
1412 * configure: Regenerate.
1413 * Makefile.in (CFLAGS): Substitute value provided by configure.
1415 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1418 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1419 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1420 rather than calling add_stmt on it.
1421 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1423 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1426 * reload1.c (reload): Remove registers returned by update_eliminables
1427 from used_spill_regs.
1429 2006-06-13 DJ Delorie <dj@redhat.com>
1431 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1433 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1435 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1436 html__strip_dir, html__mkdir_p. Enhance install-html target.
1437 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1438 * configure: Regenerate.
1440 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1442 * fold-const.c (fold_cond_expr_with_comparison): Check for
1443 Objective-C++ as language in deciding COND_EXPR transformation.
1445 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1448 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1449 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1450 * config/sh/lib1funcs.h (SL, SL1): Define.
1451 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1452 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1453 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1454 (OBJS_Os_4_200): New variable.
1455 ($(T)libgcc-Os-4-200.a): Use it.
1456 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1457 when dividing 1 and/or by 0.
1459 2006-06-13 Roger Sayle <roger@eyesopen.com>
1461 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1462 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1463 * configure: Regenerate.
1465 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1467 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1468 for real instruction.
1470 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1473 * haifa-sched.c (check_cfg): Handle special case.
1475 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1478 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1479 Add debug_info parameter. Chain the vars to the BLOCK instead
1480 of the BIND_EXPR if debug info are requested for them.
1481 (pop_gimplify_context): Adjust for above change.
1482 (gimple_add_tmp_var): Likewise.
1483 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1485 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1486 (convert_local_reference): Likewise.
1487 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1488 (finalize_nesting_tree_1): Request that debug info be emitted
1489 for debug_var_chain.
1491 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1493 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1494 for PR target/27863.
1496 2006-06-13 Richard Guenther <rguenther@suse.de>
1499 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1501 2006-06-13 Richard Guenther <rguenther@suse.de>
1503 PR tree-optimization/27830
1504 * tree-inline.c (copy_body_r): For copying the operand
1505 of an ADDR_EXPR make sure to fold &* afterwards.
1507 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1509 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1510 lvalues in the fb_none case with side-effects.
1512 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1514 * tree-flow.h: Remove the prototype for
1515 compute_phi_arg_on_exit.
1516 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1517 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1520 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1522 * builtins.c (expand_builtin_return_addr): Only use
1523 frame_pointer_rtx when count == 0 and we are expanding
1524 __builtin_return_address.
1526 2006-06-12 Fred Fish <fnf@specifix.com>
1528 * config/mips/mips.c (mips_file_start): Create special section
1529 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1531 2006-06-11 Eric Christopher <echristo@apple.com>
1534 * stor-layout.c (place_field): Remove check for
1535 remaining_in_alignment when aligning at the end of a run.
1537 2006-06-11 Eric Christopher <echristo@apple.com>
1540 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1543 2006-06-11 Roger Sayle <roger@eyesopen.com>
1546 Revert incorrect fix for PR target/27158
1547 2006-05-08 Roger Sayle <roger@eyesopen.com>
1548 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1549 of a reg_equiv_constant if the result is a legitimate constant.
1551 2006-06-11 Roger Sayle <roger@eyesopen.com>
1554 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1555 extract a CONST_VECTOR element and interpret it as an integer.
1556 (vspltis_constant): Use const_vector_elt_as_int instead of the
1557 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1558 * config/rs6000/predicates.md (easy_vector_const): Consider
1559 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1561 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1564 * stor-layout.c (update_alignment_for_field): Don't add extra
1565 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1568 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1570 * config/mips/t-rtems: Add EL/EB multilib variants.
1572 2006-06-09 Mike Stump <mrs@apple.com>
1574 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1576 2006-06-09 David Daney <ddaney@avtrex.com>
1578 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1580 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1582 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1584 2006-06-09 Richard Guenther <rguenther@suse.de>
1586 PR tree-optimization/26998
1587 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1588 of signed types, only TYPE_MIN_VALUE is special, but for both,
1589 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1590 in this case, as is -fwrapv.
1592 2006-06-08 Mike Stump <mrs@apple.com>
1595 * config/darwin.c (darwin_asm_output_anchor): Disable
1596 -fsection-anchors on darwin for now.
1597 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1598 * rs6000/rs6000.c (optimization_options): Likewise.
1600 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1603 * config/i386/i386.c (classify_argument): Skip fields with invalid
1606 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1608 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1609 (cse_insn): Likewise for the stack_pointer_rtx.
1611 2006-06-08 Roger Sayle <roger@eyesopen.com>
1613 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1614 conditions from floating point comparisons.
1616 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1619 * expmed.c (struct alg_hash_entry): Fix type of field T
1620 to match synth_mult argument.
1621 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1623 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1626 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1629 2006-06-08 Richard Guenther <rguenther@suse.de>
1632 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1633 only, if overflow is defined and not trapping.
1634 (negate_expr): Likewise.
1636 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1638 PR tree-optimization/27872
1639 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1640 flag on the new exit edge of the unrolled loop.
1642 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1644 PR rtl-optimization/26449
1645 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1647 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1650 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1651 referenced_variables with matching DECL_UID's.
1652 (find_referenced_vars): Make sure duplicate list is empty to start.
1653 (referenced_var_p): Remove.
1654 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1655 Check if var is in the list, and add if needed. Update the duplicate
1656 list if a different var is in the list with the same DECL_UID.
1657 (add_referenced_var): Call routine to check and insert.
1658 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1659 * tree-flow.h (referenced_vars_dup_list): External declaration.
1661 2006-06-07 Fred Fish <fnf@specifix.com>
1663 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1666 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1669 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1670 the imaginary and real parts of a clobbered register.
1671 Emit insn to set the imaginary part.
1673 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1675 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1676 in lieu of unwind-dw2-fde.c.
1678 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1680 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1682 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1685 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1686 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1687 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1688 V4SImode temporaries and operations instead.
1690 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1692 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1695 2006-06-06 Mike Stump <mrs@apple.com>
1697 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1698 installing during build.
1700 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1702 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1704 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1705 * config/ia64/ia64.c (params.h): New header.
1706 (ia64_optimization_options): New function to adjust parameters.
1707 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1708 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1709 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1711 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1713 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1715 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1718 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1720 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1721 Victor Kaplansky <victork@il.ibm.com>
1723 PR tree-optimization/26360
1724 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1727 2006-06-04 Roger Sayle <roger@eyesopen.com>
1728 Andrew Pinski <pinskia@physics.uc.edu>
1731 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1732 for LABEL_DECL before calling DECL_WEAK.
1735 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1736 LABEL_DECL and PARM_DECL.
1738 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1742 * c-decl.c (grokdeclarator): Disallow variably modified types at
1743 file scope. Avoid marking shared array type of constant size as
1746 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1749 * c-common.c (fold_offsetof_1): Handle static members.
1751 2006-06-04 Eric Christopher <echristo@apple.com>
1753 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1754 (debug_rli): Output value for remaining_in_alignment.
1755 (update_alignment_for_field): Unconditionalize
1756 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1757 extra alignment code.
1758 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1759 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1760 * tree.h (record_layout_info_s): Remove prev_packed.
1761 * doc/extend.texi (ms_struct): Add documentation of format.
1763 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1765 * tree.h: Declare folding_initializer.
1766 * builtins.c (fold_builtin_constant_p): Give definite answer
1767 if folding inside an initializer.
1768 * fold-const.c: Define folding_initializer.
1769 (START_FOLD_INIT): Save and then set folding_initializer.
1770 (END_FOLD_INIT): Restore folding_initializer.
1772 2006-06-04 Richard Guenther <rguenther@suse.de>
1774 PR tree-optimization/27039
1775 * fold-const.c (fold_comparison): Handle pointer comparison
1776 again for all comparison codes. Compare offsets in signed
1778 (fold_binary): Move code from here.
1780 2006-06-03 Roger Sayle <roger@eyesopen.com>
1783 * config/i386/i386.c (construct_container): Split static issued_error
1784 flag into issued_sse_arg_error, issued_sse_ret_error and
1785 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1786 requires the use of x87 registers and the user explicitly
1787 specified the -mno-80387 command line option.
1789 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1791 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1792 HAVE_DECL_SIGALTSTACK.
1794 (segv_handler): Use MC_FLD.
1795 * configure.ac: Check for a sigaltstack declaration.
1796 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1797 * configure: Regenerate.
1798 * config.in: Regenerate.
1800 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1803 * Makefile.in (stmp-fixinc): Fix typo.
1805 2006-06-02 Roger Sayle <roger@eyesopen.com>
1807 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1808 are type correct. Clean-up.
1809 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1810 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1812 2006-06-01 DJ Delorie <dj@redhat.com>
1814 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1815 shift, as we've disabled the "switch" insn that needs it.
1817 2006-06-01 Per Bothner <bothner@bothner.com>
1819 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1820 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1821 * c-ppoutput.c (cb_define): Don't increment line 0.
1823 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1825 * doc/invoke.texi: Add cpu_type power6.
1826 * config.gcc: Add cpu_type power6.
1827 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1828 to power5+ with Altivec.
1829 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1830 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1832 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1834 * config/avr/avr.h (SET_ASM_OP): Define.
1836 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1838 * config/bfin/bfin.c: Fix comment typos.
1840 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1843 * doc/install.texi: Document --enable-bootstrap and
1844 --disable-bootstrap.
1846 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1848 * doc/install.texi: Document that InfoZIP can replace jar.
1850 2006-05-31 Roger Sayle <roger@eyesopen.com>
1852 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1853 isn't available, directly generate the simpler x87 patterns without
1854 the (use (const_int 0)).
1855 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1856 implementation isn't available.
1857 (*negdf2_1): Likewise.
1858 (*negxf2_1): XF mode negation is always done using the x87.
1859 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1861 2006-05-31 Roger Sayle <roger@eyesopen.com>
1863 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1864 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1866 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1868 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1870 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1871 * config/bfin/bfin.c (basic-block.h): Include.
1872 (struct machine_function): New.
1873 (bfin_init_machine_status): New.
1874 (override_options): Initialize init_machine_status.
1875 (bfin_hardware_loop): New.
1876 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1877 (DEF_VEC_P (loop_info)): New.
1878 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1879 (struct loop_info): New.
1880 (loop_info): New typedef.
1881 (struct loop_work): New.
1882 (loop_work): New typedef.
1883 (DEF_VEC_O (loop_work)): New.
1884 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1885 (bfin_dump_loops): New.
1886 (bfin_bb_in_loop): New.
1887 (bfin_scan_loop): New.
1888 (bfin_optimize_loop): New.
1889 (bfin_reorg_loops): New.
1890 (bfin_reorg): Use bfin_reorg_loops.
1891 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1893 (I_REGNO_P): Simplify.
1894 (DP_REGNO_P, DPREG_P): New macros.
1895 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1896 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1897 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1898 Add LT_REGS, LC_REGS, LB_REGS.
1899 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1901 (REGNO_REG_CLASS): Deal with loop registers.
1902 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1904 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1905 New constants for loop registers.
1906 (UNSPEC_LSETUP_END): New.
1907 (seq_insns): New define_attr. Set it for appropriate insns.
1908 (movsi_insn): Add alternatives for move from/to
1909 loop count registers.
1910 (doloop_end): New define_expand.
1911 (loop_end): New define_insn.
1912 (define_split for bad doloop_end): New.
1913 (lsetup_with_autoinit): New define_insn.
1914 (lsetup_without_autoinit): New define_insn.
1915 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1916 * config/bfin/predicates.md (lc_register_operand): New.
1917 (lt_register_operand): New.
1918 (lb_register_operand): New.
1919 (nondp_register_operand): New.
1920 (nondp_reg_or_memory_operand): New.
1921 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1923 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1925 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1926 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1928 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1930 * Makefile.in (CATALOGS): Add po/ prefix.
1931 * configure: Regenerated.
1933 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1936 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1937 a shift operand before calling shift_op. Avoid redundant call of
1940 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1941 DJ Delorie <dj@redhat.com>
1943 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1944 we're inserting is a singlt-bit constant.
1946 2006-05-30 Roger Sayle <roger@eyesopen.com>
1948 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1949 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1951 2006-05-30 Roger Sayle <roger@eyesopen.com>
1953 PR tree-optimization/23452
1954 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1955 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1956 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1957 complex values and with -ffast-math for FP complex values.
1959 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1961 * c-common.h: Remove the prototype for yyparse.
1962 * rtl.h: Remove the prototype for init_loop.
1964 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1966 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1969 2006-05-30 Roger Sayle <roger@eyesopen.com>
1971 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1973 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1974 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1976 2006-05-30 Dirk Mueller <dmueller@suse.de>
1979 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1980 for CONSTANT_CLASS_P expresisons.
1982 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1985 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1987 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1989 PR tree-optimization/27779
1990 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1991 initial_condition instead of CHREC_LEFT.
1993 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1995 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1996 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1997 Make prototypes ISO C90.
1999 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2000 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2002 * see.c (see_analyze_one_def): Correct check.
2003 (see_get_extension_data): Check if extension is parallel.
2004 (see_get_extension_reg): Likewise.
2006 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2009 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2010 into register for (code == GTU).
2012 2006-05-29 Roger Sayle <roger@eyesopen.com>
2014 PR tree-optimization/24964
2015 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2016 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2017 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2018 abs(x)*abs(x) as x*x for scalar floating point modes.
2020 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2023 * lambda-code.c (perfect_nestify): Don't copy statements
2024 in the inner loop: move them to the inner loop header.
2026 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2029 * c-tree.texi: Document OpenMP directives and clauses.
2031 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2033 * varasm.c (globalize_decl): Fix indentation.
2035 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2038 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2039 pass_fre, pass_store_ccp, pass_copy_prop,
2040 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2041 pass_return_slot, pass_object_size, pass_lim,
2042 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2043 pass_loop_prefetch and pass_stdarg.
2045 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2047 * config/bfin/bfin.opt (mfdpic): New option.
2048 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2049 (EXTRA_MULTILIB_PARTS): Likewise.
2050 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2051 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2053 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2054 (CRT_CALL_STATIC_FUNCTION): New.
2055 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2057 (CRT_CALL_STATIC_FUNCTION): New.
2058 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2060 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2061 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2062 (initialize_trampoline): Changed to handle FD-PIC code generation.
2063 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2064 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2065 (override_options): Disallow -mid-shared-library -mfdpic combination.
2066 Can't do unaligned ops if FD-PIC.
2067 Turn off flag_pic if trying to generate non-id-shared-library
2068 non-fdpic code, since it's not supported.
2069 (bfin_assemble_integer): New function.
2070 (TARGET_ASM_INTEGER): Define.
2071 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2073 * config/bfin/crtn.s: Restore them.
2074 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2076 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2077 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2078 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2079 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2080 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2082 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2083 FDPIC_REGS and FDPIC_FPTR_REGS.
2084 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2085 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2086 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2087 (load_funcdescsi): New pattern.
2088 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2089 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2090 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2092 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2094 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2097 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2099 * tree-flow.h: Remove the prototype for add_type_alias.
2100 * tree-ssa-alias.c (add_type_alias): Remove.
2102 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2104 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2105 config/fr30/fr30.md, config/i386/i386-interix.h,
2106 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2107 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2108 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2109 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2110 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2111 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2112 Follow spelling conventions.
2113 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2114 Follow spelling conventions.
2116 2006-05-27 Richard Guenther <rguenther@suse.de>
2119 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2120 to produce a constant of value 1 of generic type.
2122 2006-05-27 Dirk Mueller <dmueller@suse.de>
2124 * cgraphunit.c (decide_is_function_needed): Fix wrong
2127 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2129 PR rtl-optimization/27661
2130 * reload.c (find_reloads): When reloading a VOIDmode constant
2131 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2132 use Pmode as mode of the reload register.
2134 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2136 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2137 is enabled at -O and above.
2139 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2142 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2145 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2148 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2149 for anonymous variables explicitly declared by front ends.
2151 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2153 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2154 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2155 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2156 ref-all pointers, run a finalization pass for them.
2157 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2158 (finalize_ref_all_pointers): New function.
2159 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2160 regular pointer type to a ref-all pointer type.
2161 (get_tmt_for): Return the special memory tag for ref-all pointers.
2163 2006-05-25 Richard Guenther <rguenther@suse.de>
2166 * fold-const.c (fold_binary): Do not look at the stripped
2167 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2169 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2171 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2172 for LT and GT if the computed range is effectively empty.
2174 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2177 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2178 mips_quad_format formats instead of ieee_single_format,
2179 ieee_double_format and ieee_quad_format formats, respectively.
2181 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2183 PR tree-optimization/27639
2184 PR tree-optimization/26719
2185 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2186 call to scev_probably_wraps_p.
2187 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2188 used_in_pointer_arithmetic_p, convert_step): Removed.
2189 (nowrap_type_p): New function.
2190 (scev_probably_wraps_p): Rewritten.
2191 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2192 chrec_convert if chrec_convert_aggressive might have been used.
2193 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2194 scev_direction): New functions.
2195 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2196 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2197 instead of convert_step.
2198 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2199 (convert_step): Declaration removed.
2200 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2202 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2204 * df-core.c: Added to header comments.
2205 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2206 df_ur_bb_info, df_urec_bb_info): Added comments.
2207 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2208 urec, ri problems): Fixed header comments.
2209 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2210 code from df_rd_transfer_function.
2212 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2214 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2215 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2216 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2218 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2220 * expr.c (undefined_operand_subword_p): New.
2221 (emit_move_multi_word): Do not generate move from undefined bits
2222 of a paradoxical subreg.
2224 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2226 PR rtl-optimization/27736
2227 * combine.c (replaced_rhs_value): New variable.
2228 (combine_instructions): Set it.
2229 (distribute_notes): When distributing a note in replaced_rhs_insn,
2230 check whether the value was used in replaced_rhs_value.
2232 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2235 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2236 add_referenced_var instead of add_referenced_tmp_var.
2237 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2238 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2240 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2241 tree_optimize_tail_calls_1): Use add_referenced_var.
2242 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2243 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2244 Use add_referenced_var.
2245 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2246 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2247 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2248 Use add_referenced_var.
2249 * tree-dfa.c (struct walk_state): Remove.
2250 (find_referenced_vars): Remove walk state and vars_found hash table.
2251 (make_rename_temp): Use add_referenced_var.
2252 (find_vars_r): Pass less parameters to add_referenced_var.
2253 (referenced_var_p): New. Is var in referenced_var hash table.
2254 (referenced_var_insert): Assert var isn't already in hash table.
2255 (add_referenced_var): Don't need walk_state parameter. Add var if it
2256 isn't already in the hash table.
2257 (add_referenced_tmp_var): Remove.
2258 (find_new_referenced_vars_1): Use add_referenced_var.
2259 * tree-ssa-pre.c (create_expression_by_pieces,
2260 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2261 Use add_referenced_var.
2262 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2263 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2264 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2266 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2267 vect_create_data_ref_ptr, vect_create_destination_var,
2268 vect_init_vector, vect_build_loop_niters,
2269 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2270 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2271 Use add_referenced_var.
2272 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2273 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2274 (add_referenced_var): Add prototype.
2275 * tree-ssa-structalias.c (get_constraint_for,
2276 intra_create_variable_infos): Use add_referenced_var.
2278 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2280 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2281 big-endian paradoxical subregs.
2282 * var-tracking.c (struct micro_operation_def): Document that,
2283 for modify micro operations, insn is the subsequent instruction.
2284 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2285 (var_reg_set, var_mem_set): ... new functions.
2286 (add_stores): Record subsequent insn.
2287 (compute_bb_dataflow): Use new functions for MO_USE.
2288 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2289 notes after the insn, and modify notes before the insn known
2290 to be the subsequent one.
2291 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2293 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2296 * config/i386/i386.c (ix86_expand_builtin): Use
2297 gen_sse3_monitor64 for TARGET_64BIT.
2299 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2301 PR rtl-optimization/26375
2302 PR rtl-optimization/26855
2303 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2305 (df_ru_bb_local_compute): Reversed statements and removed bogus
2306 comment explaining why they should be in wrong order.
2307 (df_ru_dump, df_rd_dump): Enhanced debug info.
2308 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2310 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2311 reaching uses and fixed space problem.
2313 2006-05-23 Jan Hubicka <jh@suse.cz>
2315 * cgraphunit.c (decide_is_function_needed): Also nested functions
2316 and functions declared inline can be optimized out at -O0.
2318 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2320 * doc/install.texi (Configuration): Remove reference to CrossGCC
2324 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2327 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2328 ix86_compare_emitted is non-NULL.
2330 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2333 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2336 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2338 PR rtl-optimization/25514
2339 * combine.c (replaced_rhs_insn): New variable.
2340 (combine_instructions): Set replaced_rhs_insn when trying to replace
2341 a SET_SRC with a REG_EQUAL note.
2342 (distribute_notes): Use replaced_rhs_insn when determining the live
2343 range of a REG_DEAD register.
2345 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2346 Anatoly Sokolov <aesok@post.ru>
2348 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2349 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2350 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2351 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2352 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2353 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2354 at90usb647, at90usb1286 and at90usb1287 devices.
2355 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2356 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2358 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2360 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2362 2006-05-22 Richard Guenther <rguenther@suse.de>
2365 2006-01-31 Richard Guenther <rguenther@suse.de>
2366 Paolo Bonzini <bonzini@gnu.org>
2368 * doc/install.texi (--disable-libgcc-math): Document.
2370 2006-05-22 Richard Guenther <rguenther@suse.de>
2373 2006-01-31 Richard Guenther <rguenther@suse.de>
2375 * doc/invoke.texi (-msselibm): Document.
2376 * target.h (expand_library_builtin): New target hook.
2377 * builtins.c (expand_builtin): Use expand_library_builtin.
2378 (default_expand_library_builtin): New function.
2379 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2380 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2381 (link_gcc_math_spec): Declare.
2382 (static_specs): Add link_gcc_math_spec.
2383 * expr.h (default_expand_library_builtin): Declare.
2384 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2385 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2386 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2387 * config/i386/i386.opt (msselibm): New target option.
2388 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2389 (ix86_init_sse_abi_builtins): New function.
2390 (ix86_expand_library_builtin): Likewise.
2391 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2392 (override_options): Handle error conditions wrt -msselibm.
2393 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2394 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2395 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2398 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2401 * c-common.c (self_promoting_args_p): Skip erroneous args.
2404 * c-decl.c (finish_struct): Skip erroneous fields.
2406 2006-05-22 Nick Clifton <nickc@redhat.com>
2408 * config/cris/cris.opt (march): Remove VarExists attribute.
2409 (max-stackframe=): Likewise.
2411 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2413 * doc/rtl.texi: Fix a typo.
2414 * see.c: Fix comment typos.
2416 * tree-ssa-structalias.h (alias_info): Remove num_references.
2418 2006-05-21 Mike Stump <mrs@apple.com>
2420 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2422 (darwin_pragma_options): Use BAD instead.
2423 (darwin_pragma_unused): Likewise.
2424 (darwin_pragma_ms_struct): Likewise.
2426 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2428 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2430 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2432 PR rtl-optimization/27671
2433 * simplify-rtx.c (simplify_relational_operation_1): Fix
2434 simplifications of (eq/ne (xor x y) y) and
2435 (eq/ne (xor x y) x).
2437 PR tree-optimization/26622.
2438 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2441 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2443 * tree-cfg.c: Prune whitespace.
2444 (debug_tree_cfg): Point to correct header containing the
2447 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2450 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2452 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2455 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2456 or sorry count is non zero.
2458 2006-05-20 Andreas Schwab <schwab@suse.de>
2460 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2462 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2463 Kenneth Zadeck <zadeck@naturalbridge.com>
2465 PR rtl-optimization/26855
2467 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2469 (df_scan_alloc): Added code to properly handle multiword hard
2470 registers and add all_blocks parameter.
2471 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2472 code to properly handle multiword hard registers.
2473 (df_rescan_blocks): Added code to remove deleted blocks from
2475 (df_ref_create_structure, df_ref_record): Added code to properly
2477 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2478 and set DF_REF_PARTIAL.
2479 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2480 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2481 (df_scan_add_problem): Added flags parameter.
2482 (df_ref_create_structure): Changed switching structure.
2483 (df_bb_refs_record): Fixed case where duplicate artificial refs
2484 were created. Changed location of flags.
2485 (df_record_entry_block_defs): Added code to make stack pointer
2486 live in entry block. Refined cases where frame pointer is needed.
2487 Changed location of flags.
2488 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2489 (df_set_state): Removed function.
2490 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2491 df_insn_create_insn_record, df_insn_refs_delete,
2492 df_ref_create_structure): Formatting changes.
2493 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2494 df_delete_basic_block): New function.
2495 (df_init): Changed location of flags.
2496 (df_add_problem): Added flags parameter and the way flags are
2498 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2499 debug_df_chain): Improved debugging output.
2500 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2501 (df_refs_chain_dump): Removed df parameter.
2502 (df_iterative_dataflow): Added consistency check.
2503 (df_prune_to_subcfg): Made public.
2504 (df_analyze_problem): Added blocks_to_init parameter and made
2506 (df_ref_record, df_bb_refs_record, df_mark_reg,
2507 df_record_exit_block_uses): Whitespace changes.
2508 (df_dump): Whitespace changes.
2509 * df.h: Some reordering to remove forward references.
2510 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2511 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2512 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2513 (dataflow.flags): New field.
2514 (df.flag): Deleted field.
2515 (df_alloc_function): Added additional bitmap parameter.
2516 (df_dependent_problem_function): New type.
2517 (df_problem.changeable_flags): New field.
2518 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2519 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2520 (df_mw_hardreg): New struct.
2521 (DF_INSN_UID_MWS): New macro.
2522 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2524 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2525 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2526 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2527 (df_set_state): Removed function.
2528 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2529 * df-problems.c (df_chain_dump): Removed df parameter.
2530 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2531 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2533 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2534 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2535 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2536 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2537 DF_REF_MUST_CLOBBER cases.
2538 (df_ru_bb_local_compute_process_def,
2539 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2540 df_lr_bb_local_compute, df_ur_bb_local_compute,
2541 df_chain_create_bb): Made subreg aware.
2542 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2543 df_lr_bb_local_compute, df_lr_bb_local_compute,
2544 df_chain_create_bb): Cleanup to use proper macros.
2545 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2546 code to fixup bitvectors.
2547 (df_ri_alloc): Cleared lifetime.
2548 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2549 df_create_unused_note): New function.
2550 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2551 REG_DEAD and REG_UNUSED notes as well as register information.
2552 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2553 df_chains_dump): Fixed crash if problem was never run.
2554 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2555 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2556 df_ri_add_problem): Processes flags in uniform manner.
2557 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2558 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2559 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2560 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2561 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2562 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2563 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2564 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2565 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2566 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2567 * see.c (see_initialize_data): Ditto.
2568 * final.c (rest_of_clean_state) Added regstack_completed.
2569 * rtl.h (regstack_completed): Ditto.
2570 * reg-stack.c (regstack_completed): Ditto.
2572 2006-05-19 Mike Stump <mrs@apple.com>
2574 * c-tree.h (default_conversion): Remove.
2575 * c-common.h (default_conversion): Add.
2577 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2579 * tree-vrp.c (valid_value_p): New function.
2580 (adjust_range_with_scev): Fail if the value of bound is not
2583 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2585 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2586 (mips_fallback_frame_state): Use syscall numbers to determine
2587 the appropriate li instruction for the current ABI. Only use
2588 __NR_sigreturn for o32.
2590 2006-05-19 Nicolas Setton <setton@adacore.com>
2592 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2593 * langhooks.c (lhd_dwarf_name): New function.
2594 * langhooks-def.h (lhd_dwarf_name): Declare.
2595 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2596 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2597 * ada/misc.c (gnat_dwarf_name): New function.
2598 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2600 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2602 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2604 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2605 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2606 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2607 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2608 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2609 determine the size of Wtype, etc.
2610 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2611 (swfloatfuncs): New variable.
2612 (dwfloatfuncs): Likewise.
2613 (lib2funcs): Remove floating-point conversion functions from
2614 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2615 the set of conversion routines needed. Allow entries to specify
2616 an object name, filename and word size. Update users accordingly.
2617 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2618 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2622 2006-02-08 Roger Sayle <roger@eyesopen.com>
2625 * config/fixtfdi.c: New libgcc source file.
2626 * config/fixunstfdi.c: New source file.
2627 * config/floatditf.c: New source file.
2628 * config/floatunditf.c: New souce file.
2629 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2630 files above instead of config/mips/_tilib.c.
2631 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2633 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2635 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2636 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2638 2006-05-18 Mike Stump <mrs@apple.com>
2640 Fix up vla, vm and [*] sematics.
2646 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2647 (c_vla_unspec_p): Add.
2648 (c_vla_type_p): Add.
2649 * c-decl.c (struct c_scope): Add had_vla_unspec.
2650 (build_array_declarator): Add support for [*].
2651 (grokdeclarator): Likewise.
2652 (grokparms): Likewise.
2653 (get_parm_info): Likewise.
2654 * c-objc-common.c (c_vla_unspec_p): Likewise.
2655 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2656 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2657 typeof when argument is a variably modified type not inside sizeof or alignof.
2658 (c_parser_direct_declarator_inner): Propagate errors.
2659 (c_parser_sizeof_expression): Add support for [*].
2660 (c_parser_parms_declarator): Initialize had_vla_unspec.
2661 (c_parser_parms_list_declarator): Likewise.
2662 * c-typeck.c (c_vla_type_p): Add.
2663 (composite_type): Add support for vla compositing.
2664 (comptypes_internal): Add support for vla compatibility.
2665 (c_expr_sizeof_expr): Evaluate vla arguments.
2666 * tree.c (variably_modified_type_p): Update comment for [*].
2668 2006-05-18 Michael Matz <matz@suse.de>
2671 * config.host: Make assignments to host_xmake_file cumulative.
2672 * config.host (*-darwin*): Test $host, not $target.
2674 2006-05-12 Stuart Hastings <stuart@apple.com>
2676 * config/i386/i386.opt (-mstackrealign): New flag.
2677 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2678 (ix86_handle_cconv_attribute): Emit error when
2679 force_align_arg_pointer attribute collides with too many regparms.
2680 (ix86_function_regparm): Limit regparms when used with
2681 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2682 Support stack-realigning prologue in non-main functions. Emit
2683 warning for nested functions under -mstackrealign, emit error for
2684 nested functions with force_align_arg_pointer attribute.
2685 * doc/extend.texi (force_align_arg_pointer): Document it.
2686 * doc/invoke.texi (-mstackrealign): Document it.
2688 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2690 PR rtl-optimization/27477
2691 * combine.c (try_combine): Don't split a parallel consisting
2692 of two sets into two individual sets if both sets reference
2695 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2697 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2698 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2700 * doc/options.texi (VarExists): Updated.
2702 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2704 * unwind-dw2.c: Add declarations for uw_update_context and
2706 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2707 detected, advance frame state and context once to skip over stub.
2709 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2713 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2714 Call rewrite_into_loop_closed_ssa only when something changed.
2715 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2716 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2717 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2718 Test for perfect_nest_p here. Fix formating.
2719 (replace_uses_equiv_to_x_with_y): Fix formating.
2720 (stmt_uses_op): Removed.
2721 (can_convert_to_perfect_nest): Removed loopivs parameter.
2722 Complete the test by checking the scalar dependences.
2723 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2726 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2729 From Dan Kegel <dank@kegel.com>:
2730 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2732 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2734 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2735 if the element type is variably modified without recursing.
2737 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2740 * tree-loop-linear.c (try_interchange_loops): Test for
2741 no data dependences.
2743 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2745 PR tree-optimization/27548
2746 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2747 range of ssa names that appear on abnormal edges.
2748 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2749 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2751 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2754 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2756 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2759 * tree.h (OMP_PARALLEL_COMBINED): Define.
2760 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2761 (new_omp_context): Add is_combined_parallel argument.
2762 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2763 new_omp_context caller.
2764 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2765 Adjust gimplify_scan_omp_clauses callers.
2766 (omp_is_private): Issue errors if iteration variable is firstprivate
2767 or reduction in the current context.
2768 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2769 on combined parallel workshare constructs.
2771 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2773 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2774 (gcc-options.o): New rule.
2776 * optc-gen.awk: Protect variables for gcc-options.o with
2777 #ifdef GCC_DRIVER/#endif.
2779 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2781 Fix PR tree-optimization/27373
2782 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2783 (forward_propagate_addr_expr): Update call.
2785 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2787 * doc/options.texi: Move the Negative option.
2789 2006-05-16 Richard Guenther <rguenther@suse.de>
2791 PR tree-optimization/22303
2792 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2794 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2795 ccp_fold did not simplify the statement.
2797 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2800 * Makefile.in (GCC_OBJS): New.
2801 (OBJS-common): Add opts-common.o.
2802 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2803 (cpp$(exeext)): Likewise.
2804 (gcc.o): Also depend on opts.h.
2805 (opts-common.o): New.
2807 * common.opt (gcoff): Add Negative(gdwarf-2).
2808 (gdwarf-2): Add Negative(gstabs).
2809 (gstabs): Add Negative(gstabs+).
2810 (gstabs+): Add Negative(gvms).
2811 (gvms): Add Negative(gxcoff).
2812 (gxcoff): Add Negative(gxcoff+).
2813 (gxcoff+): Add Negative(gcoff).
2814 * config/i386/i386.opt (m32): Add Negative(m64).
2815 (m64): Add Negative(m32).
2817 * doc/options.texi: Document the Negative option.
2819 * gcc.c: Include "opts.h".
2820 (main): Call prune_options after expandargv.
2822 * optc-gen.awk: Generate common declarations for all flag
2823 variables in options.c. Output the neg_index field.
2825 * opts.c (find_opt): Moved to ...
2826 * opts-common.c: Here. New file.
2828 * opts.h (cl_option): Add a neg_index field.
2830 (prune_options): Likewise.
2832 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2835 * omp-low.c (expand_omp_parallel): Don't assert
2836 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2837 instead search for it.
2840 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2843 2006-05-16 Andreas Schwab <schwab@suse.de>
2845 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2848 2006-05-15 Roger Sayle <roger@eyesopen.com>
2851 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2852 integer constants other than zero are only legitimate on TARGET_64BIT.
2853 <CONST_VECTOR> Only zero vectors are legitimate.
2854 (ix86_cannot_force_const_mem): Integral and vector constants can
2855 always be put in the constant pool.
2857 2006-05-16 DJ Delorie <dj@redhat.com>
2859 * crtstuff.c (__dso_handle): Set section from
2860 TARGET_LBIGCC_SDATA_SECTION if defined.
2861 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2862 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2864 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2867 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2870 2006-05-16 Ben Elliston <bje@au.ibm.com>
2872 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2874 2006-05-15 Per Bothner <per@bothner.com>
2876 * tree.c: (last_annotated_node): Use source_locus typedef.
2877 This permits bootstrapping with --enable-mapped-location.
2879 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2881 PR tree-optimization/26830
2882 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2883 (info_for_ssa_name, current_info_for_ssa_name_age,
2884 blocks_to_update): New variables.
2885 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2886 (clear_ssa_name_info, initialize_flags_in_bb,
2887 mark_block_for_update): New functions.
2888 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2889 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2890 prepare_def_site_for): Use mark_block_for_update.
2891 (mark_def_interesting): Assert that the processed block is marked in
2892 blocks_to_update. Do not take blocks argument.
2893 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2895 (rewrite_update_init_block, rewrite_update_stmt): Only process
2896 blocks with statements to rewrite.
2897 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2898 (update_ssa): Initialize and free blocks_to_update. Do not
2899 clear flags on statements. Do not use blocks bitmap.
2900 * tree.h (SSA_NAME_AUX): Removed.
2901 (struct tree_ssa_name): Removed aux field.
2902 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2904 2006-05-15 Richard Guenther <rguenther@suse.de>
2906 PR tree-optimization/27603
2907 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2908 Do computations in original type.
2910 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2912 * see.c: Code style changes such as redundant paranthesis,
2913 redundant intialization of local variables etc.
2914 (see_main): Declared now as static.
2915 * doc/invoke.texi: Update that -fsee is not enabled by
2918 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2920 * omp-low.c (check_omp_nesting_restrictions): New function.
2921 (scan_omp_1): Call it.
2924 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2925 construct, return *VAR.
2927 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2929 PR rtl-optimization/27406
2930 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2933 2006-05-14 Roger Sayle <roger@eyesopen.com>
2935 PR rtl-optimization/27538
2936 * combine.c (expand_compound_operation): Call gen_lowpart
2937 before calling simplify_shift_const.
2939 2006-05-14 Roger Sayle <roger@eyesopen.com>
2941 PR rtl-optimization/22563
2942 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2943 a fixed width bitfield, always force the intermediates into psuedos.
2945 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2948 * mkconfig.sh: Use operator = instead of == for test.
2950 2006-05-13 Nick Clifton <nickc@redhat.com>
2952 * dwarf2out.c (dbx_reg_number): Check return value from
2953 LEAF_REG_REMAP and only use it if it is valid.
2954 (multiple_reg_loc_descriptor): Likewise.
2956 2006-05-13 Richard Guenther <rguenther@suse.de>
2958 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2961 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2963 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2964 information attached to non-INSNs such as NOTEs.
2965 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2967 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2969 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2971 * config/s390/s390.md: Adjust comment describing On constraint.
2973 2006-05-11 Jan Hubicka <jh@suse.cz>
2975 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2976 to be output at -O0.
2978 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2981 * fold-const.c (size_binop): Move sanity check for arguments to
2982 the beginning of the function.
2985 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2988 2006-05-11 Richard Guenther <rguenther@suse.de>
2991 * fold-const.c (fold_unary): Handle intermediate conversion
2992 to a pointer type like intermediate conversion to an integer
2993 type in folding of (T1)(T2)var to var.
2994 Match the code to the comment in the final conversion for
2995 (T1)(T2)var to (T1)var regarding to type precision. Rather
2996 than disallow T1 being of pointer type, assert that both T1
2997 and var are of pointer type or not. Make sure not to fall
2998 over the frontends lazyness wrt array to pointer decay though.
3000 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3002 * arm.c (arm_struct_value_rtx): Delete.
3003 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3004 (arm_init_cumulative_args): Always initialize nregs to zero.
3006 2006-05-10 Richard Guenther <rguenther@suse.de>
3008 PR tree-optimization/27532
3009 * tree-object-size.c (plus_expr_object_size): Fix typo.
3011 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3014 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3015 ashrdi_const, ashrdi3): Use a scratch register.
3017 2006-05-10 Richard Guenther <rguenther@suse.de>
3019 PR tree-optimization/27302
3020 * fold-const.c (operand_equal_p): For two comparisons,
3021 try comparison of one comparison code swapped if that yields
3024 2006-05-10 Ben Elliston <bje@au.ibm.com>
3026 * tree-pretty-print.c (pretty_print_string): No need to handle
3027 '\0' as a special character.
3029 * tree.h: Include "hashtab.h".
3030 (iterative_hash_expr): Use hashval_t in its prototype.
3031 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3033 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3036 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3037 (hppa*64*-*-hpux11*): Ditto.
3038 (hppa[12]*-*-hpux11*): Ditto.
3040 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3043 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3045 2006-05-09 Michael Matz <matz@suse.de>
3047 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3048 host_extra_gcc_objs and host_xmake_file.
3049 (<*-*-linux*>): Don't overwrite host_xmake_file.
3050 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3051 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3052 (host_detect_local_cpu): Declare.
3053 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3054 * config/i386/i386.c (override_options): Handle -mtune=native
3056 * config/i386/x-i386: New file.
3057 * config/i386/driver-i386.c: New file.
3058 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3061 2006-05-09 Dirk Mueller <dmueller@suse.de>
3062 Richard Guenther <rguenther@suse.de>
3065 * fold-const.c (fold_read_from_constant_string): Relax check
3066 for matching types to matching modes.
3068 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3070 PR rtl-optimization/27335
3071 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3074 2006-05-08 Chao-ying Fu <fu@mips.com>
3075 Richard Sandiford <richard@codesourcery.com>
3077 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3078 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3079 * config/mips/mips.md (UNSPEC_SCC): New constant.
3080 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3081 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3082 (mips_emit_compare): Use it.
3083 (mips_expand_vcondv2sf): New function.
3085 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3087 Fix PR tree-optimization/27093
3088 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3089 renaming when they become not-used_alone.
3091 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3093 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3094 relocation and relocation stubs.
3096 2006-05-08 Eric Christopher <echristo@apple.com>
3098 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3101 2006-05-08 Jan Hubicka <jh@suse.cz>
3104 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3105 unused static functions are needed.
3107 2006-05-08 Roger Sayle <roger@eyesopen.com>
3110 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3111 of a reg_equiv_constant if the result is a legitimate constant.
3113 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3116 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3117 standard 80387 constants, raise the cost to prevent
3118 compress_float_constant() to generate load from memory.
3120 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3122 * config/arm/constraints.md (c): Fix a typo.
3124 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3127 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3130 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3132 (_mm_mwait): Likewise.
3134 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3136 (sse3_monitor): Make it 32bit only.
3137 (sse3_monitor64): New. 64bit monitor.
3139 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3142 * config/i386/i386.c (classify_argument): Skip fields with invalid
3145 2006-05-07 Richard Guenther <rguenther@suse.de>
3147 PR tree-optimization/27409
3148 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3149 Do not try to find zero-sized subvars.
3151 2006-05-07 Richard Guenther <rguenther@suse.de>
3153 PR tree-optimization/27136
3154 * tree-ssa-loop-niter.c (get_val_for): Correct function
3155 comment, assert requirements.
3156 (loop_niter_by_eval): Stop processing if the iterated
3157 value did not simplify.
3159 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3161 * opts.c (flag_see): remove its setting at -O3.
3163 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3165 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3166 * arm/constraints.md: New file.
3167 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3168 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3169 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3170 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3171 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3172 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3173 * arm.md: Include constraints.md.
3174 (thumb_movsi_insn): Use satisfies_constraint_J.
3175 (movhi, movqi): Use satisfies_constraint_I.
3177 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3179 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3180 for atmeg a645 device.
3182 2006-05-06 Richard Guenther <rguenther@suse.de>
3184 PR tree-optimization/27151
3185 * tree-vect-transform.c (vectorizable_condition): Punt on
3186 values that have a different type than the condition.
3188 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3191 * c-parser.c (c_parser_cast_expression): Only insert casts into
3192 hash table if pointer.
3193 * function.c (used_types_insert_helper): Rename from
3195 (used_types_insert): Call used_types_insert_helper.
3196 * function.h (used_types_insert): Accept only one argument.
3198 2006-05-05 David Edelsohn <edesohn@gnu.org>
3200 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3201 scratch with output modifier.
3203 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3206 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3207 with output modifier.
3209 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3212 * config/mips/mips.c (mips_symbolic_address_p): Return true
3213 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3214 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3216 2006-05-04 Richard Guenther <rguenther@suse.de>
3218 PR tree-optimization/14287
3219 PR tree-optimization/14844
3220 PR tree-optimization/19792
3221 PR tree-optimization/21608
3222 PR tree-optimization/27090
3223 * tree-ssa-pre.c (try_combine_conversion): New function.
3224 (compute_avail): After constructing the value-handle
3225 expression, use try_combine_conversion to combine NOP_EXPRs
3226 with previous value-handle expressions and use the result if it
3229 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3231 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3233 2006-05-04 Jan Hubicka <jh@suse.cz>
3236 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3238 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3240 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3241 that this only matches CONST_INTs. All users changed to VOIDmode
3244 * config/bfin/bfin.c: Include "optabs.h".
3245 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3247 (enum bfin_builtins): Add a number of fractional and vector builtins.
3248 (bfin_init_builtins): Likewise.
3249 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3250 (safe_vector_operand, bfin_expand_binop_builtin,
3251 bfin_expand_unop_builtin): New functions.
3252 (bfin_expand_builtin): Handle the new builtins.
3253 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3256 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3259 * Makefile.in (OBJS-common): Add see.o.
3260 (see.o): Add dependencies.
3261 * common.opt (fsee): New flag for the see optimization was added.
3262 * opts.c (flag_see): Initialized.
3263 * passes.c (init_optimization_passes, pass_see): New pass.
3264 * rtl.h (see_main): Declaration as extern.
3265 * timevar.def (TV_SEE): New.
3266 * tree-pass.h (pass_see): Declaration as extern.
3267 * invoke.texi (-fsee): Document.
3268 * recog.c (validate_simplify_insn): New function.
3269 * recog.h (validate_simplify_insn): Declaration as extern.
3270 * df-problems.c (df_chain_dump): Check for NULL.
3272 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3273 Daniel Berlin <dberlin@dberlin.org>
3275 * cfgrtl.c (insert_insn_bb_end_new): New function.
3276 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3278 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3280 * df.h (struct web_entry): Moved from web.c.
3281 (union_defs): Declaration as extern.
3282 (unionfind_root): Likewise.
3283 (unionfind_union): Likewise.
3284 * web.c (struct web_entry): Moved to df.h.
3285 (unionfind_root): Remove static declaration.
3286 (unionfind_union): Likewise.
3287 (union_defs): Likewise and generalize to use callback function.
3288 (web_main): Update arguments for union_defs function call.
3290 2006-05-04 Richard Guenther <rguenther@suse.de>
3292 PR tree-optimization/26447
3293 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3294 produce SSA_NAME copies before the store stmt to avoid
3295 breaking exception handling.
3297 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3300 * gimplify.c (omp_is_private): If var is shared in some outer context,
3301 return false instead of true. Stop searching on parallel context
3304 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3307 * coverage.c: Use get_gcov_unsigned_t() instead of
3308 unsigned_type_node all over.
3310 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3312 PR tree-optimization/27381
3313 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3314 maintain the same immediate_use links.
3315 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3316 node rather than segfaulting.
3318 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3321 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3322 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3323 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3325 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3327 Fix PR tree-optimization/26626
3328 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3330 * tree-ssa-operands.c (access_can_touch_variable): Allow
3331 typecasting through union pointers.
3333 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3336 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3337 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3338 to find if var will be a global variable even in the nested context.
3339 (omp_copy_decl): Only check for global variable at the end, it might
3340 be overridden in outer contexts.
3341 (scan_sharing_clauses): For global variables don't create a field.
3342 (lower_rec_input_clauses): Do nothing for global shared variables.
3343 Emit a barrier at the end of ILIST if there were any decls in both
3344 firstprivate and lastprivate clauses.
3345 (lower_send_clauses): Do nothing for global variables except for
3348 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3350 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3351 of the correct signedness is returned.
3353 2006-05-02 Jeff Law <law@redhat.com>
3355 PR tree-optimization/27364
3356 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3357 multiply expressions.
3359 2006-05-02 Tom Tromey <tromey@redhat.com>
3361 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3363 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3366 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3367 -mthumb -fPIC are used.
3369 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3370 Joshua Kinard <kumba@gentoo.org>
3373 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3374 with 64-bit pointers.
3376 2006-05-02 Paul Brook <paul@codesourcery.com>
3378 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3380 (create_fix_barrier): Check that a suitable barrier location is
3382 (arm_reorg): Include ftmp->address in allowable range of addresses.
3384 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3387 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3390 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3393 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3394 around RESULT_DECL for result passed by reference.
3395 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3396 * omp-low.c (use_pointer_for_field): Don't look at
3397 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3398 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3399 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3400 time or var for passing by reference for
3401 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3402 TREE_ADDRESSABLE variables when passing by reference.
3404 * omp-low.c (dump_omp_region): Fix output formatting.
3407 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3408 (expand_omp_parallel): Likewise.
3409 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3412 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3413 on statement list containing also constructors and destructors.
3414 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3417 * except.c (duplicate_eh_regions): Fix clearing of
3418 cfun->eh->region_array entries.
3420 2006-05-01 DJ Delorie <dj@redhat.com>
3422 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3424 (gcc_cv_objdump): Likewise.
3425 * configure: Regenerated.
3427 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3430 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3431 templates for case 3 and 4.
3433 2006-05-01 DJ Delorie <dj@redhat.com>
3435 * vec.c: Include bconfig.h when appropriate.
3436 * Makefile.in (build/vec.o): Adjust dependencies.
3437 * mkconfig.sh: Make sure config.h isn't used for build machine
3440 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3442 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3444 (mark_phi_for_rewrite): New function.
3445 (insert_phi_nodes_for, mark_use_interesting): Call
3446 mark_phi_for_rewrite.
3447 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3448 (update_ssa): Initialize and free phis_to_rewrite.
3450 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3452 PR rtl-optimization/27291
3453 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3454 folded to a constant.
3456 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3458 PR tree-optimization/27283
3459 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3460 not whole # of iteration descriptions.
3461 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3462 uses abnormal ssa name.
3463 (niter_for_single_dom_exit): Ditto.
3464 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3465 return just the number of iterations.
3467 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3469 PR tree-optimization/27144
3470 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3471 (record_estimate): Only record constant upper bound.
3472 (infer_loop_bounds_from_undefined): Call
3473 compute_estimated_nb_iterations just once.
3474 (proved_non_wrapping_p): Renamed to ...
3475 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3476 (convert_step_widening, scev_probably_wraps_p): Call
3477 n_of_executions_at_most instead of proved_non_wrapping_p.
3478 (substitute_in_loop_info): Do not replace values in bounds.
3479 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3482 2006-05-01 Richard Henderson <rth@redhat.com>
3485 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3486 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3489 2006-05-01 Roger Sayle <roger@eyesopen.com>
3491 * c-typeck.c (parser_build_binary_op): Don't call the function
3492 unsigned_conversion_warning to spot operand/result type overflow.
3493 (build_binary_op): Instead, call convert_and_check instead of
3494 convert to report the problem when the operands are promoted.
3495 * c-common.c (unsigned_conversion_warning): Make static.
3496 * c-common.h (unsigned_conversion_warning): Delete prototype.
3498 2006-05-01 Richard Guenther <rguenther@suse.de>
3500 PR tree-optimization/26726
3501 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3503 (find_interesting_uses_address): ... we work around here
3504 by folding INDIRECT_REFs in the substituted base.
3506 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3508 * omp-low.c (dump_omp_region): Add newlines.
3510 2006-04-30 Roger Sayle <roger@eyesopen.com>
3512 * common.opt (Woverflow): New command line option.
3513 * c-common.c (constant_expression_warning): Check warn_overflow.
3514 (overflow_waring): Pass OPT_Woverflow to warning.
3515 (unsigned_conversion_warning): Likewise.
3516 (convert_and_check): Likewise.
3517 * doc/invoke.texi: Document new command line option.
3519 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3521 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3522 TARGET_NO_FP_IN_TOC for section anchors.
3523 (optimization_options): Enable section anchors for all
3524 non-"Objective" languages.
3526 2006-04-28 Eric Christopher <echristo@apple.com>
3528 * config/darwin-c.c (darwin_ms_struct): Move this
3529 (darwin_set_default_type_attributes): and this...
3530 * config/darwin.c: ... here.
3531 * config/darwin.h (darwin_ms_struct): Declare.
3533 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3535 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3537 2006-04-28 Roger Sayle <roger@eyesopen.com>
3540 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3541 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3542 an unsigned HOST_WIDE_INT.
3543 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3545 (really_start_incremental_init): No need to call convert because
3546 bitsize_zero_node is already of type bitsizetype.
3547 (push_init_level): Extract the value of constructor_index as an
3548 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3549 (process_init_element): Likewise.
3551 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3553 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3554 value before passing to make_relative_prefix.
3556 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3559 * builtins.c (expand_builtin_memset): Expand val in original mode.
3561 2006-04-27 Eric Christopher <echristo@apple.com>
3563 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3564 with #ifndef/#endif.
3565 * config/darwin-c.c (darwin_ms_struct): New.
3566 (darwin_pragma_ms_struct): Ditto.
3567 (darwin_set_default_type_attributes): Ditto.
3568 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3569 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3570 Register ms_struct pragma.
3571 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3572 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3573 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3574 darwin_set_default_type_attributes if TARGET_MACHO.
3576 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3578 PR tree-optimization/26854
3579 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3580 * doc/tree-ssa.texi: Update immuse iterator documentation.
3581 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3582 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3583 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3584 first_safe_imm_use, next_safe_imm_use): Remove.
3585 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3586 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3587 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3588 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3589 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3590 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3591 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3592 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3593 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3594 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3595 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3596 (perfect_nestify): Use new iterator.
3597 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3599 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3600 (next_imm_name): New field in struct immediate_use_iterator_d.
3601 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3602 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3603 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3604 * tree-cfg.c (replace_uses_by): Use new iterator.
3605 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3606 * tree-ssa-operands.c (correct_use_link): Remove.
3607 (finalize_ssa_use_ops): No longer call correct_use_link.
3609 2006-04-27 Stuart Hastings <stuart@apple.com>
3611 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3612 * config/t-darwin (crt3.o): Use it.
3613 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3614 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3615 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3616 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3617 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3620 2006-04-27 Roger Sayle <roger@eyesopen.com>
3622 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3623 size, force the intermediate into a new pseudo rather instead of
3624 performing both a bitwise AND and a bitwise IOR in memory.
3626 2006-04-27 Richard Guenther <rguenther@suse.de>
3628 PR rtl-optimization/26685
3629 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3630 this one "max-flow-memory-locations".
3632 2006-04-27 Richard Guenther <rguenther@suse.de>
3634 PR tree-optimization/25148
3635 * tree-vrp.c (compare_values): Remove code dealing with
3636 comparisons against type min/max value. Honour overflow
3637 and negative constants in code dealing with comparisons
3638 of plus and minus expressions.
3639 (value_inside_range): Use fold_binary with LE_EXPR and
3640 GE_EXPR rather than compare_values.
3642 2006-04-27 Dirk Mueller <dmueller@suse.de>
3644 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3647 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3649 * basic-block.h (safe_insert_insn_on_edge): Removed.
3650 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3652 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3653 Paolo Bonzini <bonzini@gnu.org>
3656 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3657 (simplify_and_const_int): Same.
3659 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3661 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3663 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3666 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3667 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3668 cgraph_global_info_ready.
3671 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3674 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3675 either decl or init is error_mark_node.
3678 * tree-flow.h (struct omp_region): Add sched_kind.
3679 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3680 instead of extracting omp for data.
3681 (expand_omp_for): Save extracted sched_kind.
3683 2006-04-25 Roger Sayle <roger@eyesopen.com>
3685 * expmed.c (store_bit_field): Also check whether the bitsize is
3686 valid for the machine's "insv" instruction before moving the
3687 target into a pseudo for use with the insv.
3688 * config/i386/predicates.md (const8_operand): New predicate.
3689 * config/i386/i386.md (extv, extzv, insv): Use the new
3690 const8_operand predicate where appropriate.
3692 2006-04-25 DJ Delorie <dj@redhat.com>
3694 * doc/install.texi (Specific): Clarify that this is not a list of
3695 supported hosts or targets.
3697 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3699 PR rtl-optimization/26725
3700 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3701 block's BB_DIRTY flag.
3703 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3705 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3708 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3709 to print an integer.
3711 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3713 * varasm.c (align_variable): New function.
3714 (get_block_for_decl): Apply align_variable to DECL before
3715 calculating section information.
3716 (assemble_variable): Split out alignment computation.
3718 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3720 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3723 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3725 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3726 MODE_PARTIAL_INT mode.
3727 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3728 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3730 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3731 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3733 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3735 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3737 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3738 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3739 MACFLAG_IH): Likewise.
3740 (movstricthi_1): Renamed from "*movstricthi".
3741 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3742 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3743 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3744 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3745 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3746 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3747 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3748 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3749 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3750 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3751 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3752 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3753 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3754 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3755 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3757 * doc/rtl.texi (ss_ashift): Improve wording.
3759 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3761 * dwarf2out.c (verify_marks_clear): New.
3762 (prune_unused_types): Call verify_marks_clear initially, not
3765 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3767 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3768 * doc/rtl.texi: Document them.
3769 * simplify-rtx.c (simplify_unary_operation,
3770 simplify_binary_operation_1): Don't abort when we see them.
3772 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3775 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3776 * configure.ac: Completely disregard languages that are not
3778 * configure: Regenerated.
3780 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3781 Richard Guenther <rguenther@suse.de>
3783 PR tree-optimization/27236
3784 * tree-inline.c (copy_body_r): Make sure to copy
3785 TREE_THIS_VOLATILE flag.
3787 2006-04-24 Richard Guenther <rguenther@suse.de>
3790 * tree-complex.c (update_parameter_components): Don't handle
3791 unused parameters which have no default def.
3793 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3794 Richard Guenther <rguenther@suse.de>
3796 PR tree-optimization/27218
3797 * tree-inline.c (expand_call_inline): Strip useless type
3798 conversions for the return slot address.
3800 2006-04-24 Richard Guenther <rguenther@suse.de>
3802 * cfgloop.h (struct loops): Remove unused field array. Reorder
3804 (LOOP_PREFETCH): Remove.
3806 2006-04-24 Richard Guenther <rguenther@suse.de>
3808 PR tree-optimization/22525
3809 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3810 variable, adjust types of generated expressions.
3812 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3814 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3815 (tree-vect-patterns.o): Likewise.
3817 (cselib.o): Likewise.
3818 (loop-doloop.o): Likewise.
3819 (regclass.o): Likewise.
3820 (reload1.o): Likewise.
3821 (explow.o): Replace target.h with $(TARGET_H).
3822 (ipa-prop.o): Likewise.
3823 (ipa-cp.o): Likewise.
3824 (ipa-inline.o): Likewise.
3825 (reorg.o): Likewise.
3826 (reg-stack.o): Likewise.
3828 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3830 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3832 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3834 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3836 * configure.ac: Completely disregard languages that are not
3838 * configure: Regenerated.
3841 * c-common.h (c_build_bitfield_integer_type): Declare.
3842 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3843 * c-common.c (c_build_bitfield_integer_type): ... here.
3845 2006-04-23 Roger Sayle <roger@eyesopen.com>
3848 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3849 a SImode SUBREG of a floating point register after no_new_pseudos.
3851 2006-04-23 Roger Sayle <roger@eyesopen.com>
3853 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3854 identify potentially eliminable registers to additionally catch
3855 VIRTUAL_INCOMING_ARGS_REGNUM.
3856 (addsi3): Update the conditions on when to use addsi_small_int.
3858 2006-04-23 Roger Sayle <roger@eyesopen.com>
3861 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3862 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3863 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3865 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3867 * fold-const.c (range_predecessor): Use operand_equal_p
3868 as the predicate for equality.
3869 (range_successor): Likewise.
3871 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3874 * config/soft-fp/op-common.h: Fix a typo.
3876 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3879 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3880 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3882 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3884 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3886 * doc/tm.texi: Fix a typo.
3888 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3890 * dwarf2out.c (struct die_struct): Document that die_sib makes
3891 a circular linked list.
3892 (FOR_EACH_CHILD): New.
3893 (reverse_die_lists): Delete.
3894 (reverse_all_dies): Delete.
3895 (add_dwarf_attr): Correct documentation.
3896 (remove_child_with_prev): New.
3897 (remove_child_TAG): Update for change to die_struct, use
3898 remove_child_with_prev.
3899 (add_child_die): Update for change to die_struct.
3900 (splice_child_die): Use remove_child_with_prev and add_child_die.
3901 (print_die): Use FOR_EACH_CHILD.
3902 (die_checksum): Likewise.
3903 (assign_symbol_names): Likewise.
3904 (output_location_lists): Likewise.
3905 (build_abbrev_table): Likewise.
3906 (calc_die_sizes): Likewise.
3907 (mark_dies): Likewise.
3908 (unmark_dies): Likewise.
3909 (unmark_all_dies): Likewise.
3910 (output_die): Likewise.
3911 (prune_unused_types_mark): Likewise.
3912 (prune_unused_types_walk): Likewise.
3913 (same_die_p): Update for change to die_struct.
3914 (break_out_includes): Likewise.
3915 (prune_unused_types_prune): Likewise.
3916 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3917 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3919 (dwarf2out_finish): Don't call reverse_all_dies.
3921 2006-04-21 Eric Christopher <echristo@apple.com>
3923 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3924 in comments and function names.
3926 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3929 * c-typeck.c (digest_init): Robustify.
3931 * c-typeck.c (pop_init_level): Simplify.
3933 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3935 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3937 2006-04-21 Paul Brook <paul@codesourcery.com>
3939 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3940 hardware floating point.
3942 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3944 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3947 2006-04-21 Nick Clifton <nickc@redhat.com>
3949 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3952 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3955 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3956 C++ lang type in traceback table for Objective-C++.
3958 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3960 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3962 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3964 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3967 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3968 were errors. Remove check for erroneous objects.
3970 2006-04-20 Jeff Law <law@redhat.com>
3972 PR tree-optimization/26854
3973 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3974 checking for zero or one use.
3975 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3976 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3977 * tree-ssa-reassoc.c (negate_value): Similarly.
3978 (reassociate_bb): Similarly.
3980 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3982 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3983 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3984 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3986 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3988 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3989 fp regs if the last fp arg doesn't fit in regs.
3991 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3994 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3995 that the last insn has the REG_INC note.
3997 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3998 Nathan Sidwell <nathan@codesourcery.com>
4001 * stor-layout.c (update_alignment_for_field): Do not align
4003 (place_union_field): Place union field at the start of the union.
4004 (place_field): Move ERROR_MARK check later, and use the current
4005 allocation position to maintain monotonicity.
4007 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4009 * dominance.c: Include timevar.h.
4010 (calculate_dominance_info): Use TV_DOMINANCE.
4011 * timevar.def (TV_DOMINANCE): New timevar.
4012 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4014 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4016 PR rtl-optimization/14261
4017 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4018 move would be an INSV insn.
4019 (noce_process_if_block): Don't optimize if the destination is a
4020 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4022 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4024 * config/s390/s390.md: Add comments with the instructions emitted
4025 by an insn pattern if macros are used.
4027 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4029 PR rtl-optimization/26026
4030 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4031 is a known power of two shifted left a variable amount.
4033 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4035 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4036 to hash table twice when the debug_str section has SECTION_MERGE.
4038 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4040 * config/soft-fp: New directory. From glibc.
4041 * config/soft-fp/t-softfp: New.
4042 * config/soft-fp/README: New.
4043 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4044 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4045 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4046 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4047 * config.gcc: Use rs6000/t-fprules-fpbit or
4048 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4050 * config/rs6000/sfp-machine.h: New. Based on glibc.
4051 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4053 * config/rs6000/t-fprules: Remove fp-bit rules.
4054 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4055 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4056 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4057 (softfp_wrap_start, softfp_wrap_end): New.
4059 2006-04-18 DJ Delorie <dj@redhat.com>
4061 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4063 2006-04-18 Devang Patel <dpatel@apple.com>
4065 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4067 2006-04-18 Nick Clifton <nickc@redhat.com>
4069 * config/sh/t-symbian: Add rule to build sh-c.o
4070 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4071 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4072 (sh_symbian_encode_section_info): Likewise.
4074 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4076 * builtins.c (expand_builtin_strcmp): Cover label definition of
4077 do_libcall with HAVE_cmpstrnsi.
4079 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4081 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4083 * function.h (temp_slot_p): New.
4084 (function): Change the type of x_used_temp_slots to
4085 VEC(temp_slot_p,gc) *.
4087 2006-04-18 Nick Clifton <nickc@redhat.com>
4089 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4090 flag_strength_reduce.
4092 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4094 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4098 Partial revert of revision 112637
4099 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4100 Dale Johannesen <dalej@apple.com>
4103 * regclass.c (struct reg_pref): Update documentation.
4104 (regclass): Set prefclass to NO_REGS if memory is the best option.
4105 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4107 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4109 PR tree-optimization/26821
4110 * tree-ssa-math-opts.c (get_constant_one): New.
4111 (insert_reciprocals): Use it.
4113 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4115 * dwarf2out.c (free_AT): Delete.
4116 (remove_AT): Update string ref counts.
4117 (remove_child_TAG): Don't call free_die.
4119 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4120 or DW_TAG_GNU_EINCL.
4121 (prune_unused_types_walk_attribs): Reset string refcounts.
4122 (prune_unused_types_update_strings): New.
4123 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4124 call free_die. Do call prune_unused_types_update_strings.
4125 (prune_unused_types): Empty debug_str_hash.
4127 2006-04-17 Roger Sayle <roger@eyesopen.com>
4129 * expr.c (expand_assignment): Optimize away no-op moves where the
4130 source and destination are equal and have no side-effects.
4132 2006-04-17 Richard Guenther <rguenther@suse.de>
4135 * reload.c (push_reload): Guard calls to get_secondary_mem
4138 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4140 * alias.c (reg_base_value, old_reg_base_value): Change the
4141 type to VEC(rtx,gc) *.
4142 (REG_BASE_VALUE, find_base_value, record_set,
4143 init_alias_analysis): Use VEC instead of VARRAY.
4145 * alias.c (alias_sets): Change the type to
4146 VEC(alias_set_entry,gc) *.
4147 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4148 VEC instead of VARRAY.
4149 (last_alias_set): Remove.
4151 * cgraph.h (cgraph_edge_p): New.
4152 Update the prototype of cgraph_function_versioning.
4153 * cgraphunit.c (cgraph_copy_node_for_versioning,
4154 cgraph_function_versioning): Use VEC instead of VARRAY.
4155 * ipa-cp.c (ipcp_insert_stage): Likewise.
4157 2006-04-16 Roger Sayle <roger@eyesopen.com>
4160 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4161 "A op B" or "A op C", we may need to convert A to the type of B and C.
4163 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4165 * target.h (struct gcc_target): Add mode_rep_extended.
4166 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4167 (init_num_sign_bit_copies_in_rep): Initialize it using
4169 (truncate_to_mode): Use it.
4170 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4171 * targhooks.h (default_mode_rep_extended): Declare it.
4172 * targhooks.c (default_mode_rep_extended): Define it.
4173 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4174 default_mode_rep_extended.
4175 (TARGET_INITIALIZER): Include it.
4176 * doc/tm.texi (Misc): Document it.
4177 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4178 (mips_truncated_to_mode): New function.
4180 2006-04-16 Roger Sayle <roger@eyesopen.com>
4183 * expr.c (compress_float_constant): Copy the narrow constant into
4184 a new pseudo before extending it to its final width.
4186 2006-04-16 Roger Sayle <roger@eyesopen.com>
4187 Andrew Pinski <pinskia@gcc.gnu.org>
4188 Dale Johannesen <dalej@apple.com>
4191 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4192 special case code to implement V8HImode and V16QImode with SSE2.
4194 2006-04-15 Roger Sayle <roger@eyesopen.com>
4196 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4197 trees are constructed with a suitable tree type.
4199 2006-04-15 Roger Sayle <roger@eyesopen.com>
4201 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4202 (integer_onep): Likewise.
4203 (integer_all_onesp): Likewise.
4204 (integer_pow2p): Likewise.
4205 (integer_nonzerop): Likewise.
4206 (real_zerop): Likewise.
4207 (real_onep): Likewise.
4208 (real_twop): Likewise.
4209 (real_minus_onep): Likewise.
4210 (int_size_in_bytes): Likewise.
4211 (host_integerp): Likewise.
4213 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4215 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4216 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4217 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4219 * tree-ssa-structalias.h (alias_info): Remove num_references.
4221 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4223 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4224 (output_bvb patterns): Likewise.
4225 * pa.c (output_bb): Use 'bb' insn for long branch case.
4226 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4227 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4228 1. Correct length operand for alternatives 1 and 2.
4229 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4230 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4232 2006-04-14 Roger Sayle <roger@eyesopen.com>
4234 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4235 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4236 were accidentally reverted by r112959.
4238 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4241 * except.h (eh_region_outermost): New prototype.
4242 * except.c (eh_region_outermost): New function.
4243 * tree-cfg.c (find_outermost_region_in_block): Use it.
4245 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4247 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4249 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4250 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4251 (init_reload, reload): Use VEC instead of VARRAY.
4252 * reload.h: Update the prototype for
4253 reg_equiv_memory_loc_varray.
4255 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4256 Eric Botcazou <ebotcazou@libertysurf.fr>
4258 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4261 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4264 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4265 to expand fallback builtin function call.
4267 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4270 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4271 and emit libcall here in case the builtin fails.
4272 (expand_builtin_strcmp): Always emit the libcall here on failure.
4274 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4276 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4277 * flow.c (reg_n_info): Change the type to
4278 VEC(reg_info_p,heap) *.
4279 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4281 * regs.h (reg_info_p): New.
4282 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4283 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4284 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4287 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4289 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4291 * params.h (MAX_SCHED_READY_INSNS): New macro.
4292 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4293 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4294 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4295 the ready list for 1 cycle during the first scheduling pass.
4296 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4298 2006-04-13 Richard Henderson <rth@redhat.com>
4301 * gimple-low.c (lower_omp_directive): Remove dead code.
4302 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4303 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4304 * omp-low.c (struct omp_region): Move to tree-flow.h.
4305 (root_omp_region): Export.
4306 (omp_regions, lookup_omp_region): Remove.
4307 (determine_parallel_type): Update for struct omp_region changes.
4308 (dump_omp_region): Dump regions with block numbers.
4309 (new_omp_region): Take type and block instead of stmt; malloc
4311 (free_omp_region_1, free_omp_regions): New.
4312 (expand_parallel_call): Take entry_stmt as argument; update for
4313 changes to omp_region.
4314 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4315 (remove_exit_barriers): New.
4316 (expand_omp_parallel): Update for struct omp_region changes.
4317 (expand_omp_synch): Likewise.
4318 (expand_omp): Likewise.
4319 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4320 (expand_omp_for_static_chunk): Likewise.
4321 (expand_omp_for): Likewise.
4322 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4323 (expand_omp_sections): Similarly, with GOMP_sections_end.
4324 (expand_omp_single): New.
4325 (build_omp_regions_1): Update for OMP_CONTINUE.
4326 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4327 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4328 OMP_SECTIONS_SECTIONS.
4329 (lower_omp_single_simple): Don't emit barrier here.
4330 (lower_omp_single_copy): Likewise.
4331 (lower_omp_single): Fix bindings, and lower to straightline now.
4332 (lower_omp_master, lower_omp_ordered): Likewise.
4333 (lower_omp_critical): Likewise.
4334 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4335 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4336 omp edges, free it afterward.
4337 (make_omp_sections_edges): Remove.
4338 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4339 (move_stmt_r): Handle OMP_CONTINUE.
4340 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4341 statement pointers to basic blocks. Add type member.
4342 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4343 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4344 * tree-inline.c (estimate_num_insns_1): Likewise.
4345 * tree-pretty-print.c (dump_generic_node): Likewise.
4346 * tree-ssa-operands.c (get_expr_operands): Likewise.
4347 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4348 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4349 (OMP_CONTINUE): New.
4350 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4351 (OMP_SECTIONS_SECTIONS): Remove.
4352 (OMP_SECTION_LAST): New.
4353 (OMP_RETURN_NOWAIT): New.
4355 2006-04-13 Roger Sayle <roger@eyesopen.com>
4357 * fold-const.c (native_encode_vector, native_interpret_real):
4358 Correct obvious mistakes in the previous check-in.
4360 2006-04-13 Roger Sayle <roger@eyesopen.com>
4362 * fold-const.c (native_encode_expr): New function to encode
4363 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4364 or VECTOR_CST into a specified buffer.
4365 (native_encode_int): New function.
4366 (native_encode_real): New function.
4367 (native_encode_complex): New function.
4368 (native_encode_vector): New function.
4369 (native_interpret_expr): Inverse of native_encode_expr to convert
4370 a target representation into an INTEGER_CST, REAL_CST etc...
4371 (native_interpret_int): New function.
4372 (native_interpret_real): New function.
4373 (native_interpret_complex): New function.
4374 (native_interpret_vector): New function.
4375 (fold_view_convert_expr): New function to constant fold/evaluate
4376 a VIEW_CONVERT_EXPR of a suitable constant expression.
4377 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4378 Change call of build1 to fold_build1 when constructing a
4381 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4382 Ulrich Weigand <uweigand@de.ibm.com>
4385 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4388 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4391 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4392 optimize to lo_sum for DFmode if !TARGET_FPRS.
4394 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4396 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4397 delete_alias_info, compute_flow_sensitive_aliasing,
4398 group_aliases): Use VEC instead of VARRAY.
4399 * tree-ssa-structalias.c (update_alias_info): Likewise.
4400 * tree-ssa-structalias.h (alias_info): Change the type of
4401 processed_ptrs to VEC(tree,heap) *.
4403 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4406 * config/sh/lib1funcs.h: New file, broken out of:
4407 * config/sh/lib1funcs.asm.
4408 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4410 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4411 * config/sh/lib1funcs-Os-4-200.asm: New file.
4412 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4413 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4414 (EXTRA_MULTILIB_PARTS): Include it.
4415 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4416 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4417 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4418 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4421 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4423 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4424 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4425 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4427 * tree-ssa-live.h: Include vecprim.h.
4428 (tree_partition_associator_d): Change the type of
4429 first_partition to VEC(int,heap) *.
4430 (tpa_first_partition): Use VEC instead of VARRAY.
4432 * Makefile.in (GTFILES): Move functions.h after tree.h.
4433 * function.c (reset_block_changes, record_block_change,
4434 check_block_change, free_block_changes): Use VEC instead of
4436 * function.h (function): Change the type of
4437 ib_boundaries_block to VEC(tree,gc) *.
4438 * tree-inline.c (copy_cfg_body): Initialize
4439 ib_boundaries_block to NULL instead of (varray_type) 0.
4441 2006-04-12 Roger Sayle <roger@eyesopen.com>
4443 * expr.c (emit_group_store): Correct operand order in call to
4444 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4445 a SUBREG_BYTE of zero.
4447 2006-04-12 Richard Guenther <rguenther@suse.de>
4449 * profile.c (compute_branch_probabilities): Remove code
4450 encapsulated in !ir_type (), which are remanents of the
4451 removed RTL profiling code.
4452 * rtl-profile.c: Remove.
4454 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4456 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4457 magic NULL_RTX comment.
4458 (function_arg): Store entire fp arg to mem if any part should go
4460 (rs6000_arg_partial_bytes): Adjust for above change.
4462 2006-04-11 Roger Sayle <roger@eyesopen.com>
4464 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4465 if it hasn't been initialized by dwarf2out_init.
4467 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4469 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4470 symbolic constants in branch patterns.
4472 2006-04-11 Roger Sayle <roger@eyesopen.com>
4474 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4476 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4478 PR rtl-optimization/27073
4479 * gcse.c (try_replace_reg): Revert last change. Continue to search
4480 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4483 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4485 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4486 aggregate types other than record and union types.
4487 (function_arg): Likewise.
4488 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4490 (function_value): In 64-bit mode, return objects that require it
4493 2006-04-11 Roger Sayle <roger@eyesopen.com>
4495 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4497 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4499 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4501 2006-04-03 Jeff Law <law@redhat.com>
4504 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4505 alias information too.
4507 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4509 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4511 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4514 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4515 (premark_used_types_helper): New.
4516 (premark_used_types): New.
4517 (gen_subprogram_die): Call premark_used_types.
4518 (prune_unused_types_walk): Do not prune perennial dies.
4519 * function.c (used_types_insert): New.
4520 * function.h (struct function): Add used_types_hash field.
4521 (used_types_insert): Add prototype.
4522 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4523 * c-parser.c (c_parser_cast_expression): Save casted types in used
4526 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4529 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4530 rs6000_explicit_options.float_gprs.
4532 2006-04-10 Roger Sayle <roger@eyesopen.com>
4534 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4535 from ix86_expand_vector_init_low_nonzero. Take an additional
4536 one_var argument indicating which element is non-zero. Support
4537 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4538 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4539 with one_var instead of ix86_expand_vector_init_low_nonzero.
4541 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4543 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4544 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4545 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4546 build/genextract.o): Depend on vecprim.h.
4547 * cfglayout.c, df-problems.c, function.c, genextract.c,
4548 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4549 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4553 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4555 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4556 Declare VECs of this type.
4557 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4558 (remove_children): Delete.
4559 (add_dwarf_attr): Use VEC routines.
4560 (add_AT_flag): Update for changes to add_dwarf_attr.
4561 (add_AT_int): Likewise.
4562 (add_AT_unsigned): Likewise.
4563 (add_AT_long_long): Likewise.
4564 (add_AT_vec): Likewise.
4565 (add_AT_string): Likewise.
4566 (add_AT_die_ref): Likewise.
4567 (add_AT_fde_ref): Likewise.
4568 (add_AT_loc): Likewise.
4569 (add_AT_loc_list): Likewise.
4570 (add_AT_addr): Likewise.
4571 (add_AT_lbl_id): Likewise.
4572 (add_AT_lineptr): Likewise.
4573 (add_AT_macptr): Likewise.
4574 (add_AT_offset): Likewise.
4575 (add_AT_range_list): Likewise.
4576 (get_AT): Use VEC_iterate.
4577 (remove_AT): Use VEC_ordered_remove.
4578 (free_die): Fold remove_children into here; have it use VEC_iterate.
4579 (print_die): Use VEC_iterate on attrs.
4580 (reverse_die_lists): Don't reverse attr lists.
4581 (die_checksum): Use VEC_iterate on attrs.
4582 (same_die_p): Likewise.
4583 (output_location_lists): Likewise.
4584 (build_abbrev_table): Likewise.
4585 (size_of_die): Likewise.
4586 (unmark_all_dies): Likewise.
4587 (output_abbrev_section): Likewise.
4588 (output_die): Likewise.
4589 (prune_unused_types_walk_attribs): Likewise.
4591 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4593 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4595 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4598 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4600 2006-04-09 Roger Sayle <roger@eyesopen.com>
4602 * expr.c (store_constructor): Don't bother clearing target if
4603 we're about to assign a vector to it using vec_init_optab.
4605 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4607 * tree-ssa-alias.c (lhs_may_store_to): New function.
4608 (recalculate_used_alone): Handle LHS of calls.
4610 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4614 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4615 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4616 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4617 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4618 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4619 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4620 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4621 stubs. Add ".align 8" directives before all ".dword" directives.
4622 (GTHREAD_USE_WEAK): Revise comment.
4623 (TARGET_ATTRIBUTE_WEAK): Define.
4624 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4625 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4626 * stublib.c: New file.
4631 * pa.md (cbranch patterns): Revise arguments used in calls to
4632 output_cbranch, output_bb and output_bvd. Add long branch length
4634 (fbranch patterns): Handle long branches.
4635 (jump): Revise length check. Revise arguments for output_lbranch call.
4636 Add long branch length attributes.
4637 (decrement_and_branch_until_zero): Add long branch length attributes.
4638 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4639 Likewise. Revise arguments for output_parallel_addb and
4640 output_parallel_movb calls.
4641 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4642 output_parallel_movb and output_parallel_addb): Update prototypes.
4643 * pa.c (output_cbranch): Revise arguments. Correct handling of
4644 nullification in long branches.
4645 (output_lbranch): Add new argument to control extraction of delay
4647 (output_bb): Handle long branches.
4648 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4649 output_parallel_addb): Likewise.
4651 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4653 PR rtl-optimization/27073
4654 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4657 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4659 * tree.h (tree_memory_tag): Add old_used_alone.
4660 (SMT_OLD_USED_ALONE): New macro.
4661 * tree-ssa-alias.c (recalculate_used_alone): Stop
4662 marking things for renaming unnecessarily.
4664 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4666 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4667 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4668 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4669 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4670 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4671 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4672 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4673 spelling convensions.
4674 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4675 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4676 typos. Follow spelling conventions.
4678 2006-04-07 DJ Delorie <dj@redhat.com>
4680 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4681 passed on the stack.
4682 (m32c_init_cumulative_args): When a function returns a structure,
4683 always pass the pointer to that return area on the stack.
4684 (m32c_function_arg_advance): Don't increment the parameter number
4685 if we're processing the returned structure pointer.
4686 (pushm_info): Reverse order of registers.
4688 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4690 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4691 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4692 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4693 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4695 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4696 chrec_fold_multiply): Same.
4697 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4698 force_expr_to_var_cost): Same.
4699 * tree-mudflap.c (mf_xform_derefs_1): Same.
4700 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4702 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4704 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4705 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4708 2006-04-07 Jan Hubicka <jh@suse.cz>
4710 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4712 2006-04-07 Richard Guenther <rguenther@suse.de>
4714 PR tree-optimization/26135
4715 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4716 loads for store copy-prop.
4717 (copy_prop_visit_stmt): Likewise.
4719 2006-04-05 Robert Millan <robertmh@gnu.org>
4721 * config/i386/linux.h: Add a comment to mark macros that are
4722 being overriden in config/k*bsd-gnu.h.
4723 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4725 * config/knetbsd-gnu.h: Ditto.
4727 2006-04-06 Jan Hubicka <jh@suse.cz>
4731 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4734 2006-04-06 Mike Stump <mrs@apple.com>
4736 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4737 for HAVE_nonlocal_goto to be consistent.
4738 (expand_builtin_nonlocal_goto): Likewise.
4739 (expand_builtin_strcmp): Use #ifdef instead of #if
4740 for HAVE_cmpstrnsi to be consistent.
4742 2006-04-05 DJ Delorie <dj@redhat.com>
4744 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4747 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4749 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4750 got-relative addressing for anything but SImode.
4752 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4753 even if the calling function doesn't modify them.
4755 2006-04-05 Richard Guenther <rguenther@suse.de>
4757 PR tree-optimization/26919
4758 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4759 to cgraph_estimate_size_after_inlining.
4761 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4763 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4765 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4767 PR tree-optimization/26996
4768 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4769 VECTOR_TYPE variables.
4771 2006-04-05 Richard Guenther <rguenther@suse.de>
4773 PR tree-optimization/26763
4774 * fold-const.c (fold_comparison): Move folding of
4775 PTR + CST CMP PTR + CST ...
4776 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4778 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4780 * doc/install.texi (Prerequisites): Refine some wording on
4781 bootstrapping and ksh.
4782 Move the version numbers of DejaGnu here from the testing section
4783 and fix casing of names.
4784 Fix markup and clarify wording for autogen requirements.
4785 Refer to GCJ instead of just java.
4786 Refer to SVN instead of CVS.
4787 Describe diffutils as useful instead of necessary.
4788 (Downloading the source): Refer to SVN instead of CVS.
4789 Adjust a link to our web site accordingly.
4790 (Configuration): Fix casing of Bison.
4791 (Building): Refer to SVN instead of CVS.
4792 Fix a sentence on the use of Bison and remove duplicate (and
4793 incorrect) version number of Bison requirement.
4794 Remove one redundant list of packages needed for building.
4795 (Specific): Avoid reference to CVS.
4797 2006-04-04 Eric Christopher <echristo@apple.com>
4799 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4800 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4801 (rs6000_handle_struct_attribute): New.
4802 (rs6000_ms_bitfield_layout_p): Ditto.
4804 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4806 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4807 NULL for dso parameter to atexit_common.
4809 2006-04-04 Eric Christopher <echristo@apple.com>
4811 * config/i386/i386.c (machopic_output_stub): Output \t
4812 between instructions and operands.
4814 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4816 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4817 satisfies_constraint_[IL] to explicit tests on value.
4819 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4821 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4822 set_nb_iterations_in_loop): Use build_int_cst instead of
4824 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4825 build_int_cst instead of convert.
4827 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4829 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4830 new value 2 for incoming.
4831 * function.c (expand_function_start): Call struct_value_rtx
4833 * config/sparc/sparc.md: Comment updated_return.
4834 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4835 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4836 struct return if sparc_std_struct_return and incoming is 2.
4837 (print_operand): Do not adjust return if
4838 sparc_std_struct_return.
4840 2006-04-04 Roger Sayle <roger@eyesopen.com>
4842 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4843 convert in the middle-end.
4844 * expr.c (store_expr, store_constructor, get_inner_reference,
4845 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4847 * tree.c (build_range_type): Likewise.
4849 2006-04-04 Tom Tromey <tromey@redhat.com>
4851 * doc/install.texi (Prerequisites): Mention jar.
4853 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4855 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4858 2006-04-04 Matthias Klose <doko@debian.org>
4860 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4861 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4864 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4866 * doc/extend.texi (Function Attributes): Rewrite visibility
4867 attribute documentation.
4868 * doc/invoke.texi (C++ Dialect Options): Rewrite
4869 -fvisibility-inlines-hidden documentation to describe something
4870 entirely different, although in practise compatible.
4871 (Code Gen Options): Warn about system headers in -fvisibility=
4874 * doc/extend.texi (Other Builtins): Document that
4875 __builtin_nan is a compile-time constant only when its argument
4878 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4880 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4881 trying to remove TRUNCATE check if all bits outside the new mode
4882 are identical to the sign bit.
4884 2006-04-03 Jeff Law <law@redhat.com>
4886 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4887 and operand scanning in some common cases.
4889 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4890 Dale Johannesen <dalej@apple.com>
4893 * regclass.c (struct reg_pref): Update documentation.
4894 (regclass): Set prefclass to NO_REGS if memory is the best option.
4895 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4896 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4897 into account. For non-registers, equate an empty preferred
4898 reload class to a `!' in the constraint; move the if clause to
4899 do so after those that reject the insn.
4900 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4902 (find_dummy_reload): Likewise.
4903 * doc/tm.texi (Register Classes): Document what it means
4904 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4905 * config/i386/i386.c (ix86_preferred_reload_class): Force
4906 using SSE registers (and return NO_REGS for floating-point
4907 constants) if math is done with SSE.
4908 (ix86_preferred_output_reload_class): New.
4909 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4910 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4911 * config/i386/i386.md: Remove # register preferences.
4913 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4916 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4917 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4918 the type of nb_iter.
4919 (instantiate_parameters_1): Convert the operands before calling
4920 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4921 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4923 2006-04-02 Roger Sayle <roger@eyesopen.com>
4925 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4926 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4928 * dojump.c (do_jump): Likewise.
4929 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4930 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4931 gimplify_boolean_expr): Likewise.
4932 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4933 * varasm.c (array_size_for_constructor): Likewise.
4934 * tree-object-size.c (compute_object_offset): Likewise.
4936 2006-04-02 Roger Sayle <roger@eyesopen.com>
4939 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4940 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4942 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4944 PR tree-optimization/26939
4945 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4947 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4949 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4950 at_stmt. Convert the type of operands before calling
4951 build_polynomial_chrec.
4952 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4954 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4955 (instantiate_parameters_1): Convert the type of operands before calling
4956 build_polynomial_chrec.
4957 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4958 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4959 reset_evolution_in_loop): Insert asserts to check the types of the
4961 (chrec_type): Moved...
4962 (eq_evolutions_p): Use operand_equal_p.
4963 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4964 the types of the operands.
4965 (chrec_type): ...here.
4966 * tree-data-ref.c (create_data_ref): Convert the operands before
4967 calling chrec_replace_initial_condition.
4968 (same_access_functions, analyze_subscript_affine_affine,
4969 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4970 (compute_subscript_distance, analyze_ziv_subscript,
4971 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4972 analyze_miv_subscript): Convert the operands before calling
4973 chrec_fold_minus or chrec_fold_plus.
4975 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4977 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4978 the dependence_relations vector.
4979 (compute_data_dependences_for_loop): Adjust call to
4980 compute_all_dependences.
4982 2006-04-01 Roger Sayle <roger@eyesopen.com>
4983 Richard Henderson <rth@redhat.com>
4985 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4986 gimple_boolify on the condition before calling gimplify_expr.
4988 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4990 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4991 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4992 the frame size. Update to use the new macros.
4993 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4994 * config/xtensa/ieee754-df.S: Likewise.
4996 2006-03-31 Richard Henderson <rth@redhat.com>
4998 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4999 (make_edges): ... here. Control fallthru creation with a local
5000 variable. Do not play with fake edges.
5001 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5002 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5005 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5007 * dwarf2.h (DW64_CIE_ID): Define.
5008 * dwarf2out.c (DWARF_CIE_ID): Define.
5009 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5010 length header. Use DWARF_CIE_ID.
5011 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5012 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5014 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5016 * config/sh/linux-atomic.asm: New file.
5017 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5019 2006-03-31 DJ Delorie <dj@redhat.com>
5021 * config/m32c/cond.md: Set condition flags properly throughout.
5022 * config/m32c/minmax.md: Likewise.
5023 * config/m32c/prologue.md: Likewise.
5024 * config/m32c/bitops.md: Likewise.
5025 * config/m32c/muldiv.md: Likewise.
5026 * config/m32c/mov.md: Likewise.
5027 * config/m32c/addsub.md: Likewise.
5028 * config/m32c/m32c.md: Likewise.
5029 * config/m32c/jump.md: Likewise.
5030 * config/m32c/shift.md: Likewise.
5032 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5033 conditionally output the pattern for this.
5034 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5035 (m32c_compare_redundant): New.
5036 (m32c_output_compare): New.
5037 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5039 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5040 dest, not src. Allow other 4-byte modes.
5042 2006-03-30 Denis Chertykov <denisc@overta.ru>
5044 * doc/md.texi: Refer to avr/constraints.md instead of
5047 2006-03-30 Roger Sayle <roger@eyesopen.com>
5049 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5050 signed vs. unsigned comparison failures on some hosts.
5052 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5055 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5056 change to FLOAT_REGS.
5058 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5059 (rs6000_override_options): Use it.
5060 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5061 only for -mabi=spe/no-spe and -mabi=altivec.
5063 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5065 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5068 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5070 * Makefile.in: Rename docdir to gcc_docdir.
5072 2006-03-30 Roger Sayle <roger@eyesopen.com>
5075 * expr.c (emit_group_store): Optimize group stores into a pseudo
5076 register by using a paradoxical subreg to initialize the destination
5077 if the first or last member of the group specifies a "low part".
5079 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5082 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5083 * target.h (struct gcc_target.speculate_insn): Change type of the
5084 second parameter to 'int'.
5085 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5086 the second operand of the DEPS_LIST.
5087 (copy_DEPS_LIST_list): Update reference to the second operand of the
5089 * rtl.h (alloc_DEPS_LIST): Update signature.
5090 * sched-int.h (ds_t): Change typedef to 'int'.
5091 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5093 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5095 * haifa-sched.c (try_ready): Change condition to restore
5096 non-speculative pattern of the instruction.
5097 (process_insn_depend_be_in_spec): Code to keep probability of the
5098 speculative dependence non-decreasing.
5100 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5102 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5103 (single_move_for_movmem): ... this. Also change all uses.
5104 (bfin_expand_strmov): Renamed to...
5105 (bfin_expand_movmem): ... this. Also change all uses.
5106 * config/bfin/bfin.md (movstrsi): Renamed to...
5107 (movstrsi): ...this.
5109 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5111 PR tree-optimization/26830
5113 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5114 (copy_prop_visit_stmt): Remove write-only variable ann.
5115 (init_copy_prop): Check variable loop depth here. Do not simulate
5116 memory-tag and virtual operand PHIs except for store copy prop.
5118 2006-03-30 Richard Guenther <rguenther@suse.de>
5120 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5121 variants with double arguments.
5123 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5125 * genpreds.c (write_tm_constrs_h): Delete variable p.
5126 * genconditions.c (write_header): Add tm-constrs.h to included
5128 * genpeep.c (main): Add toplev.h to included headers.
5129 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5130 (build/genpeep.o): Add toplev.h dependency.
5131 * config/rs6000/constraints.md: Add "W" constraint.
5133 2006-03-29 Roger Sayle <roger@eyesopen.com>
5135 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5136 sizes by correctly testing whether the size fits a host integer.
5137 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5138 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5139 SImode range for the default sizetype and bitsizetype.
5141 2006-03-29 Roger Sayle <roger@eyesopen.com>
5143 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5144 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5145 quickly if the argument is already of the correct type.
5146 Call fold_build1 instead of build1. Tidy up blank lines.
5148 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5150 * genemit.c (main): Add tm-constrs.h to included headers.
5151 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5152 * genpeep.c (main): Add tm-constrs.h to included headers.
5153 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5154 (write_tm_constrs_h): this and write complete file.
5155 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5156 (write_insn_preds_c): Add tm-constrs.h to included headers.
5157 (gen_constrs): New variable.
5158 (parse_option): Parse "-c".
5159 (main): Invoke write_tm_constrs_h.
5160 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5161 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5162 (object_out_file): Add tm-constrs.h dependency.
5163 (insn-emit.o): Same.
5164 (insn-output.o): Same.
5165 (insn-peep.o): Same.
5166 (insn-preds.o): Same.
5167 (insn-recog.o): Same.
5168 (tm-constsr.h): New target.
5169 (s-constrs-h): New target.
5171 * config/rs6000/constraints.md: New file.
5172 * config/rs6000/rs6000.c: Include tm-constrs.h.
5173 (num_insn_constant_wide): Convert to satisfies_constraint.
5174 (rs6000_rtx_costs): Convert to satisfies_constraint.
5175 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5176 (CONST_OK_FOR_LETTER_P): Delete.
5177 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5178 (EXTRA_CONSTRAINT): Delete.
5179 (EXTRA_MEMORY_CONSTRAINT): Delete.
5180 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5181 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5182 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5183 satisfies_constraint.
5185 * config/i386/i386.c: Include tm-constrs.h.
5187 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5189 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5190 * tree-data-ref.c (find_data_references_in_loop,
5191 compute_data_dependences_for_loop): Use pointers to VEC.
5192 (analyze_all_data_dependences): Adjust calls.
5193 * tree-data-ref.h (find_data_references_in_loop,
5194 compute_data_dependences_for_loop): Adjust declarations.
5195 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5196 compute_data_dependences_for_loop.
5198 2006-03-29 Paul Brook <paul@codesourcery.com>
5200 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5203 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5205 PR tree-optimization/26859
5206 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5208 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5209 for the step after fold_convert.
5211 2006-03-29 Paul Brook <paul@codesourcery.com>
5213 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5214 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5216 2006-03-29 Paul Brook <paul@codesourcery.com>
5219 * targhooks.c (default_narrow_bitfield): New fuction.
5220 * targhooks.h (default_narrow_bitfield): add prototype.
5221 * target.h (gcc_target): Add narrow_volatile_bitfield.
5222 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5223 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5224 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5225 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5227 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5229 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5231 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5232 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5233 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5234 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5235 (s390_function_arg_float): Allow SDmode and DDmode values to be
5236 passed in floating point registers.
5237 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5238 check with SCALAR_FLOAT_MODE_P.
5239 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5241 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5243 PR tree-optimization/25985
5244 * tree-ssa-loop-niter.c (number_of_iterations_le,
5245 number_of_iterations_ne): Make comments more precise.
5246 (number_of_iterations_cond): Add only_exit argument. Use the
5247 fact that signed variables do not overflow only when only_exit
5249 (loop_only_exit_p): New.
5250 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5251 number_of_iterations_cond.
5253 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5255 PR tree-optimization/26643
5256 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5259 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5261 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5262 (divsi3_i4_int): Likewise.
5264 2006-03-28 Roger Sayle <roger@eyesopen.com>
5266 * expr.c (emit_group_store): Only create a new pseudo reg if the
5267 quantity it needs to hold isn't already a suitable pseudo.
5269 2006-03-28 Jeff Law <law@redhat.com>
5271 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5272 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5274 2006-03-28 Roger Sayle <roger@eyesopen.com>
5276 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5277 the equivalent ~X & Y, and the symmetry related transformations.
5278 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5279 ~X & Y, and symmetry related transforms.
5281 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5283 Revert my 2006-03-27 patches.
5285 2006-03-28 Roger Sayle <roger@eyesopen.com>
5287 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5288 ~(T1)X, when T1 and T2 are integer types of the same precision
5289 and (T2)X isn't an extension.
5291 2006-03-28 Jeff Law <law@redhat.com>
5293 PR tree-optimization/26796
5294 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5295 need EH edge cleanups rather than purging them immediately.
5296 (eliminate_degenerate_phis): Handle queued EH cleanups.
5298 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5300 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5303 2006-03-27 Roger Sayle <roger@eyesopen.com>
5306 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5307 cast BIT_NOT_EXPR operand to the correct type.
5309 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5311 * tree-loop-linear.c: Don't include varray.h.
5312 (gather_interchange_stats, try_interchange_loops,
5313 linear_transform_loops): Use VEC instead of VARRAY.
5314 * lambda-mat.c: Don't include varray.h.
5315 * tree-chrec.c: Same.
5316 * lambda-trans.c: Same.
5317 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5318 VEC instead of VARRAY.
5319 * tree-vectorizer.h: Idem.
5320 * tree-data-ref.c (dump_data_references,
5321 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5322 initialize_data_dependence_relation, finalize_ddr_dependent,
5323 compute_all_dependences, find_data_references_in_loop,
5324 compute_data_dependences_for_loop, analyze_all_data_dependences,
5325 free_dependence_relation, free_dependence_relations,
5326 free_data_refs): Idem.
5327 * tree-data-ref.h (data_reference_p, subscript_p): New.
5328 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5329 VEC instead of VARRAY.
5330 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5331 (find_data_references_in_loop, compute_data_dependences_for_loop,
5332 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5333 dump_data_dependence_relations, free_dependence_relations,
5334 free_data_refs): Adjust declaration.
5335 (lambda_transform_legal_p): Move declaration here...
5336 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5337 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5338 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5339 vect_analyze_data_refs): Use VEC instead of VARRAY.
5340 * lambda.h (lambda_transform_legal_p): ...from here.
5341 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5342 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5343 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5344 tree-chrec.o): Don't depend on VARRAY_H.
5346 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5348 * rtl.def (Copyright): Update date.
5349 (DEPS_LIST): Change type of the second operand to 'int'.
5350 * target.h (Copyright): Update date.
5351 (struct gcc_target.speculate_insn): Change type of the second parameter
5353 * lists.c (Copyright): Update date.
5354 (alloc_DEPS_LIST): Change signature. Update reference to the second
5355 operand of the DEPS_LIST.
5356 (copy_DEPS_LIST_list): Update reference to the second operand of the
5358 * rtl.h (Copyright): Update date.
5359 (alloc_DEPS_LIST): Update signature.
5360 * sched-int.h (Copyright): Update date.
5361 (ds_t): Change typedef to 'int'.
5362 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5364 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5366 * haifa-sched.c (Copyright): Update date.
5367 (try_ready): Change condition to restore non-speculative pattern
5369 (process_insn_depend_be_in_spec): Code to keep probability of the
5370 speculative dependence non-decreasing.
5372 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5374 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5375 shut up the compiler.
5377 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5379 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5380 to use lib prefix for target.
5381 ($(T)libic_invalidate_array_4-200.a): Likewise.
5382 ($(T)libic_invalidate_array_4a.a): Likewise.
5384 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5385 J"orn Rennecke <joern.rennecke@st.com>
5387 * superh.opt: New file.
5388 * sh.c (boardtype, osruntime): Remove.
5389 * superh.h (SUBTARGET_OPTIONS): Remove.
5390 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5392 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5393 arguments with ^ and/or [].
5395 * config.gcc (sh-*-*): Add quoting to account for quirk of
5397 Replace == with = in enable_incomplete_targets test.
5399 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5400 with MASK_LITTLE_ENDIAN.
5402 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5403 * config/sh/sh.opt: Added to some comments.
5404 * config/sh/superh.h: Removed some chaff.
5406 * config/sh/sh.opt: Add m4-[1234]00* options.
5407 * config/sh/sh.c (sh_handle_option): Likewise.
5408 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5409 (ic_invalidate_array_4-100.o): New rule.
5410 ($(T)libic_invalidate_array_4-100.a): Likewise.
5411 (ic_invalidate_array_4-200.o): Likewise.
5412 ($(T)libic_invalidate_array_4-200.a): Likewise.
5413 (ic_invalidate_array_4a.o): Likewise.
5414 ($(T)libic_invalidate_array_4a.a): Likewise.
5415 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5416 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5418 * config/sh/crt1.asm: Merged in profiling code.
5419 * config/sh/superh.h (STARTFILE_SPEC): Override.
5420 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5421 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5422 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5424 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5425 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5426 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5428 * sh.opt (mpretend-cmove): New option.
5429 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5430 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5431 (movsicc): Add TARGET_PRETEND_CMOVE code.
5433 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5435 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5436 s390_class_max_nregs): New function prototypes.
5437 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5438 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5439 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5440 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5442 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5444 * dwarf2out.c (add_location_or_const_value_attribute): Call
5445 tree_add_const_value_attribute if nothing else works.
5446 (reference_to_unused): New.
5447 (rtl_for_decl_init): Use reference_to_unused to decide whether
5448 to output an initializer.
5450 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5453 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5454 peephole removing spe frob_di_df_2.
5456 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5458 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5459 (subscript_dependence_tester_1): Declared.
5460 (print_dir_vectors, print_dist_vectors): New.
5461 (debug_data_dependence_relation): New.
5462 (dump_data_dependence_relation): Print more details.
5463 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5464 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5465 (save_dist_v, save_dir_v, add_outer_distances,
5466 build_classic_dist_vector_1): New.
5467 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5468 Don't test for lambda_vector_lexico_pos.
5469 (same_access_functions, add_multivariate_self_dist,
5470 add_other_self_distances, dir_from_dist): New.
5471 (build_classic_dir_vector): Replace implementation almost identical to
5472 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5474 (subscript_dependence_tester_1): New.
5475 (subscript_dependence_tester): Handle the lexicographically negative
5476 distance vectors by recomputing the dependence relation.
5477 (compute_affine_dependence): Remove parameter loop_nest_depth.
5478 (compute_self_dependence): Don't call compute_subscript_distance.
5479 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5480 Add a parameter for the loop_nest.
5481 (find_loop_nest_1, find_loop_nest): New.
5482 (compute_data_dependences_for_loop): Compute the loop nest, and give
5483 up if the nest is not well formed.
5484 * tree-data-ref.h (loop_p): New.
5485 (struct data_dependence_relation): Replace size_vect field with
5486 loop_nest, a vec of loops.
5487 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5488 (DDR_LOOP_NEST): New.
5489 (print_dir_vectors, print_dist_vectors,
5490 debug_data_dependence_relation): Declared.
5491 (index_in_loop_nest): New.
5492 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5493 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5496 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5498 * simplify-rtx.c (simplify_relational_operation): Call
5499 simplify_relational_operation_1 even if mode is VOIDmode.
5501 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5503 PR tree-optimization/26804
5504 * tree.h (DECL_CALL_CLOBBERED): New macro.
5505 (tree_decl_common): Add call_clobbered_flag.
5506 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5507 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5508 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5509 (mark_non_addressable): Ditto.
5510 * tree-ssa.c (verify_call_clobbered): New function.
5511 (verify_alias_info): Use it.
5512 * tree-pass.h (pass_reset_cc_flags): New prototype.
5513 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5514 (reset_cc_flags): New function.
5515 * passes.c (init_optimization_passes): Call reset_cc_flags after
5516 initializing referenced_vars.
5518 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5519 Roger Sayle <roger@eyesopen.com>
5522 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5523 to 1.0 for non-real operands. Implement A / A optimization for
5526 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5528 * config/i386/i386.c (size_cost): Correct the comment for
5529 cost of storing fp registers.
5530 (i386_cost): Likewise.
5531 (i486_cost): Likewise.
5532 (pentium_cost): Likewise.
5533 (pentiumpro_cost): Likewise.
5534 (k6_cost): Likewise.
5535 (athlon_cost): Likewise.
5536 (k8_cost): Likewise.
5537 (pentium4_cost): Likewise.
5538 (nocona_cost): Likewise.
5539 (generic64_cost): Likewise.
5540 (generic32_cost): Likewise.
5542 2006-03-24 Denis Chertykov <denisc@overta.ru>
5544 * config/avr/avr-protos.h (extra_constraint): Delete.
5545 (extra_constraint_Q): New declaration.
5546 * config/avr/constraints.md: New file.
5547 * config/avr/avr.md: Include it.
5548 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5549 (TMP_REGNO, ZERO_REGNO): Likewise.
5550 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5551 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5552 (extra_constraint): Delete.
5553 (extra_constraint_Q): Test for memory constraint 'Q'.
5554 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5555 (REG_CLASS_FROM_LETTER): Delete.
5556 (CONST_OK_FOR_LETTER_P): Delete.
5557 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5558 (EXTRA_CONSTRAINT): Delete.
5559 (TMP_REGNO): Delete.
5560 (ZERO_REGNO): Delete.
5562 2006-03-24 Jeff Law <law@redhat.com>
5564 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5565 directly. Call mark_new_vars_to_rename slightly earlier.
5567 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5569 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5571 (gen_compile_unit_die): Use new language types for Objective-C and
5573 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5574 DW_LANG_C_plus_plus.
5577 * config/t-darwin (crt3.o): Work around bug 26840.
5578 * config/darwin-crt3.c: Rewrite.
5579 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5581 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5583 * doc/invoke.texi: Document -femit-class-debug-always
5584 * common.opt: Add -femit-class-debug-always.
5586 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5588 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5589 index and base register.
5590 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5591 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5592 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5593 REGNO_OK_FOR_INDEX_P.
5594 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5596 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5597 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5598 REG_OK_FOR_BASE_P): Definitions removed.
5600 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5603 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5604 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5605 set yet or weren't marked as local yet.
5607 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5609 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5612 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5614 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5615 (rs6000_legitimate_small_data_p): Delete.
5616 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5617 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5618 and make static. Add forward declaration. Update uses.
5619 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5620 of offsettable_memref_p.
5621 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5622 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5624 2006-03-24 Jeff Law <law@redhat.com>
5626 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5627 around bug in immediate-use iterator.
5629 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5632 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5633 or __LITTLE_ENDIAN__.
5635 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5637 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5638 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5639 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5640 * config/sh/sh.opt (mdiv=): Amend description.
5641 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5642 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5643 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5644 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5645 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5646 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5647 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5648 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5649 TARGET_DIVIDE_CALL_FP.
5651 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5653 * haifa-sched.c (choose_ready): Fix type of the local variable.
5654 Move local variables. Add comment.
5655 (check_reg_live): Change signature. Make callable from debugger.
5656 * sched-int.h (check_reg_live): Update signature.
5657 * sched-ebb.c (check_reg_live): Update parameters.
5658 * sched-rgn.c (check_reg_live): Ditto.
5659 (region_head_or_leaf_p): Check pointer before dereferencing.
5660 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5661 before reload on optimization levels below 1.
5663 2006-03-23 Richard Henderson <rth@redhat.com>
5665 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5669 * config/alpha/predicates.md (local_symbolic_operand): Reject
5672 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5675 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5676 expressions which have overflowed constants.
5678 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5680 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5682 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5684 * cfgloopmanip.c (create_loop_notes): Removed.
5685 * final.c (final_scan_insn): Do not handle loop notes.
5686 * jump.c (squeeze_notes): Ditto.
5687 * cfglayout.c (skip_insns_after_block,
5688 duplicate_insn_chain): Ditto.
5689 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5691 * cfgloop.h (create_loop_notes): Declaration removed.
5693 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5695 * varasm.c (output_constant_pool): Restore fnname and fndecl
5697 (assemble_start_function): Adjust call accordingly.
5698 (assemble_end_function): Likewise.
5700 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5703 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5706 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5708 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5711 * system.h (ICE_EXIT_CODE): New macro.
5712 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5713 (diagnostic_action_after_output): Likewise.
5714 * gcc.c (fatal_ice): New function.
5715 (execute): Use it instead of fatal.
5716 (fancy_abort): Likewise.
5717 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5719 2006-03-22 Jeff Law <law@redhat.com>
5721 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5722 iv_analyze_result returning false.
5724 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5726 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5728 2006-03-22 Richard Henderson <rth@redhat.com>
5731 * except.c (duplicate_eh_regions_0): New.
5732 (duplicate_eh_region_1): Duplicate the children of the node as
5733 well as the node itself. Link them up properly.
5734 (duplicate_eh_region_2): Merge into ...
5735 (duplicate_eh_regions): ... here. Take copy_region argument, and
5736 copy only a sub-tree if asked. Simplify copying and fixup.
5737 (eh_region_outer_p): New.
5738 * except.h (duplicate_eh_regions): Update decl.
5739 (eh_region_outer_p): Declare.
5740 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5741 (lower_omp_master): Likewise.
5742 (lower_omp_ordered): Likewise.
5743 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5744 (move_stmt_r): Use it to remap labels. Handle recursion vs
5745 remap_decls_p properly.
5746 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5747 (find_outermost_region_in_block): New.
5748 (new_label_mapper): New.
5749 (move_sese_region_to_fn): Copy eh information to the new function
5751 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5753 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5756 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5758 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5759 into shared libraries.
5761 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5763 * doc/md.texi: Refer to i386/constraints.md instead of
5765 * config/i386/constraints.md: New file, extracted from...
5766 * config/i386/predicates.md: ...here.
5767 * config/i386/i386.md: Include constraints.md.
5769 2006-03-21 Jason Merrill <jason@redhat.com>
5771 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5774 * expr.c (init_block_move_fn): Force default visibility.
5775 (init_block_clear_fn): Likewise.
5776 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5777 * targhooks.c (default_external_stack_protect_fail): Likewise.
5779 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5781 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5782 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5783 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5784 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5785 (loadgp): Use mips_current_loadgp_style.
5786 (loadgp_noshared): New pattern.
5787 (sibcall_internal): Use MIPS_CALL.
5788 (sibcall_value_internal): Likewise.
5789 (sibcall_value_multiple_internal): Likewise.
5790 (call_internal): Likewise.
5791 (call_value_internal): Likewise.
5792 (call_value_multiple_internal): Likewise.
5793 (call_split): Use MIPS_CALL and add an 'S' constraint.
5794 (call_value_split): Likewise.
5795 (call_value_multiple_split): Likewise.
5796 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5797 (-mshared): New option.
5798 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5799 (mips_current_loadgp_style): Declare.
5800 * config/mips/mips.c (mips_classify_symbol): Avoid using
5801 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5802 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5803 TARGET_ABSOLUTE_ABICALLS.
5804 (override_options): Adjust comments. Improve the warning that is
5805 issued when -mabicalls and -G are used together.
5806 (mips_file_start): Remove comment.
5807 (mips_current_loadgp_style): New function.
5808 (mips_gnu_local_gp): New variable.
5809 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5811 (mips_output_function_prologue): Use mips_current_laodgp_style.
5812 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5813 the cprestore instruction.
5814 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5815 live for TARGET_ABSOLUTE_ABICALLS.
5816 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5817 (ASM_SPEC): Pass down -mshared and -mno-shared.
5818 (MIPS_CALL): New macro.
5819 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5821 * doc/invoke.texi (-mabicalls): Update documentation.
5822 (-mshared): Document.
5824 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5826 * config/ia64/unwind-hpux.c: New file.
5827 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5829 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5832 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5834 2006-03-21 Jeff Law <law@redhat.com>
5836 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5837 type conversions of a VR_VARYING source to a wider type.
5839 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5841 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5842 tm_file on Solaris 10 and later.
5843 (sparc64-*-solaris2*): Likewise.
5844 (sparc-*-solaris2*): Likewise.
5845 * config/sol26.h: Rename to config/sol2-6.h.
5846 * config/sol2-10.h: New file.
5848 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5851 * tree-ssa-pre.c (create_component_ref_by_pieces):
5854 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5857 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5858 return it immediately.
5860 2006-03-21 Michael Matz <matz@suse.de>
5862 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5864 (remove_arc, add_arc): Update num_out_arcs member.
5865 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5867 (cache_presence): New function.
5868 (compare_states_for_equiv): New function.
5869 (state_is_differed): Don't take number of outargs, adjust callers.
5870 Use new invariant for speeding up.
5871 (init_equiv_class): Create initial classes based on sorted
5873 (partition_equiv_class): Don't track out_arcs_num.
5874 (evaluate_equiv_classes): Call cache_presence on all states and
5877 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5879 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5880 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5881 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5882 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5884 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5885 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5886 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5887 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5888 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5890 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5891 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5892 (REGNO_REG_CLASS): ARGP is in PREGS.
5893 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5895 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5896 to deal with those addresses.
5897 * addresses.h: New file.
5898 * caller-save.c: Include "addresses.h".
5899 (init_caller_save): Use new base_reg_class function.
5900 * rtl-factoring.c: Include "addresses.h".
5901 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5902 * recog.c: Include "addresses.h".
5903 (preprocess_constraints): Use new base_reg_class function.
5904 * regrename.c: Include "addresses.h".
5905 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5906 functions. Keep track of a new var INDEX_CODE to compute valid
5908 (replace_oldest_value_addr): Likewise.
5909 (replace_oldest_value_mem): Use base_reg_class.
5910 * reload.c: Include "addresses.h".
5911 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5912 (find_reloads): Use new base_reg_class function.
5913 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5914 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5915 all callers and prototype changed.
5916 * reload1.c: Include "addresses.h".
5917 (maybe_fix_stack_asms): Use base_reg_class.
5918 * regclass.c: Include "addresses.h".
5919 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5920 (init_reg_autoinc): Use new base_reg_class function.
5921 (record_reg_classes): Likewise.
5922 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5923 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5924 Use new args to compute necessary class.
5926 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5927 regrename.o, rtl-factoring.o): Update dependencies.
5928 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5929 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5930 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5931 REG_OK_FOR_INDEX_P): Delete documentation.
5933 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5935 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5936 from V7 to V9 for Solaris 7 and above.
5938 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5940 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5941 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5942 argument pointers may not alias any other storage.
5943 * common.opt: Define option -fargument-noalias-anything.
5944 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5945 alias semantics is specified by flag_argument_noalias > 2.
5947 2006-03-20 Jeff Law <law@redhat.com>
5949 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5950 (pass_phi_only_cprop): Declare.
5951 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5953 * tree-ssa-dom.c (degenerate_phi_result): New function.
5954 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5955 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5956 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5957 (eliminate_degenerate_phis): Likewise.
5958 (pass_phi_only_cprop): New pass descriptor.
5959 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5960 support code. Callers updated.
5961 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5962 (store_copy_prop): Likewise.
5963 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5965 2006-03-20 Jason Merrill <jason@redhat.com>
5968 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5969 (push_visibility, pop_visibility): Likewise.
5970 * c-pragma.h: Declare them.
5972 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5974 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5976 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5977 parameter and use get_ebb_head_tail.
5978 (sh_md_init_global): Adjust uses of find_regmode_weight.
5980 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5982 * function.h (struct function) <x_tail_recursion_reentry>:
5983 Rename to x_stack_check_probe_note.
5984 (tail_recursion_reentry): Rename to stack_check_probe_note.
5985 * function.c: Replace tail_recursion_reentry with
5986 stack_check_probe_note everywhere.
5987 (expand_function_start): Only emit a note for
5988 stack_check_probe_note with -fstack-protect.
5989 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5991 * emit-rtl.c (remove_unnecessary_notes): Remove.
5992 (pass_remove_unnecessary_notes): Remove.
5993 * rtl.h (remove_unnecessary_notes): Remove prototype.
5994 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5995 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5996 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5998 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6001 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6002 (valid_in_set): Handle ARRAY_REF.
6003 Change "if min_variant or VH" to asserts.
6004 (create_component_ref_by_pieces): Handle ARRAY_REF.
6005 (create_expression_by_pieces): Likewise.
6006 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6008 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6010 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6011 is operand of switch, not str[0].
6013 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6015 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6016 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6018 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6020 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6021 end of insn_extra_address_constraint declaration.
6023 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6025 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6026 (no-sum-in-toc): Same.
6027 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6029 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6030 NO_FP_IN_TOC for -fPIC instead of mask.
6032 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6033 (BOOT_LDFLAGS): Delete.
6035 * config/rs6000/t-aix52: Same.
6037 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6038 (stmsi[345678]_power): New.
6040 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6042 * config/ia64/ia64.opt: Add empty line to end of file.
6044 2006-03-17 Richard Guenther <rguenther@suse.de>
6047 * builtins.c (get_pointer_alignment): For component style references
6048 adjust alignment to the component type alignment. Make sure
6049 to adjust alignment for component access of constants.
6051 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6053 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6056 2006-03-17 Paul Brook <paul@codesourcery.com>
6058 * doc/install.texi: Docuemnt --with-mode.
6059 * config.gcc: Add --with-mode for arm*-*-*.
6060 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6062 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6064 * sh.c (max_labelno_before_reorg): New variable.
6065 (sh_reorg): Initialize it.
6066 (find_barrier): Check max_labelno_before_reorg before using
6067 label_to_alignment. Take length of explicit alignment insns
6068 into account. When seeing a UNSPECV_CONST_END, return it.
6070 * sh.c (fixup_mova): Set mode of affected label to QImode.
6071 (untangle_mova): New function.
6072 (find_barrier): Use it. Check mode of label before decrementing
6074 (sh_reorg): Likewise.
6075 Set mode of all insns back to VOIDmode.
6077 * sh.c (MOVA_LABELREF): New macro.
6078 (mova_p, fixup_mova, sh_reorg): Use it.
6079 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6080 ADDR_DIFF_VEC matches mova.
6082 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6084 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6085 with ATTRIBUTE_UNUSED.
6087 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6089 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6090 pointer, instead of assuming it is possible to derive the
6091 correct args size from a call insn.
6093 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6095 * rtl.h (CONST_INT_P): Define.
6096 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6097 instead of GET_CODE(x) == CONST_INT.
6098 (vax_rtx_costs): Likewise.
6099 (vax_output_int_move): Likewise.
6100 (vax_output_int_add): Likewise.
6101 (legitimate_constant_address_p): Likewise.
6102 (index_term_p): Likewise.
6103 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6104 * config/vax/vax.md (and<mode>3): Likewise.
6105 (ashrsi3): Likewise.
6107 (movstricthi): Likewise.
6108 (movstrictqi): Likewise.
6109 (rotrsi3): Likewise.
6110 (five unnamed insns): Likewise.
6112 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6114 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6115 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6116 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6117 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6118 Pass to ASM_OUTPUT_DWARF_OFFSET.
6119 * dwarf2out.c (debug_frame_section): New.
6120 (output_call_frame_info): Use debug_frame_section. Pass it to
6121 dw2_asm_output_offset.
6122 (output_die): Pass appropriate section to dw2_asm_output_offset.
6123 (output_compilation_unit_header): Likewise.
6124 (output_pubnames): Likewise.
6125 (output_aranges): Likewise.
6126 (enum dw_val_class): Break dw_val_class_lbl_offset into
6127 dw_val_class_lineptr and dw_val_class_macptr.
6128 (add_AT_lbl_offset): Delete.
6129 (add_AT_lineptr): New.
6130 (add_AT_macptr): New.
6131 (AT_lbl): Expect a lineptr or macptr.
6132 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6133 (attr_checksum): Likewise.
6134 (same_dw_val_p): Likewise.
6135 (size_of_die): Likewise.
6136 (value_format): Likewise.
6137 (output_die): Likewise.
6138 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6140 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6141 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6142 * config/darwin-protos.h (darwin_file_start): New.
6143 (darwin_asm_output_dwarf_offset): New.
6144 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6145 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6147 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6148 if not EH section; simplify.
6149 (darwin_file_start): New.
6150 (darwin_asm_output_dwarf_offset): New.
6151 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6153 (DEBUG_INFO_SECTION): Likewise.
6154 (DEBUG_ABBREV_SECTION): Likewise.
6155 (DEBUG_ARANGES_SECTION): Likewise.
6156 (DEBUG_MACINFO_SECTION): Likewise.
6157 (DEBUG_LINE_SECTION): Likewise.
6158 (DEBUG_LOC_SECTION): Likewise.
6159 (DEBUG_PUBNAMES_SECTION): Likewise.
6160 (DEBUG_STR_SECTION): Likewise.
6161 (DEBUG_RANGES_SECTION): Likewise.
6162 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6163 (ASM_OUTPUT_DWARF_OFFSET): New.
6165 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6167 * config.gcc (tm_defines): Always add to previous value rather
6170 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6172 * config/mips/predicates.md (splittable_const_int_operand): New,
6173 split from move_operand.
6174 (splittable_symbolic_operand): New.
6175 (move_operand): Add commentary. Use splittable_const_int_operand.
6176 Inline mips_atomic_symbolic_constant_p.
6177 * config/mips/mips.md: Add combine splitters for handling moves
6178 of splittable_const_int_operands and splittable_symbolic_operands.
6179 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6180 (mips_split_symbol): Declare.
6181 (mips_move_integer): Declare.
6182 * config/mips/mips.c (mips_split_p): Make global.
6183 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6184 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6185 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6186 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6187 (mips_offset_within_object_p): Handle block symbols.
6188 (mips_atomic_symbolic_constant_p): Delete.
6189 (mips_cannot_force_const_mem): Return false for constants that
6190 mips_legitimize_move can handle.
6191 (mips_use_blocks_for_constant_p): New function.
6192 (mips_split_symbol): Make global.
6193 (mips_move_integer): Likewise. Add a temporary register argument.
6194 (mips_legitimize_const_move): Use splittable_const_int_operand and
6195 splittable_symbolic_operand.
6196 (mips_use_anchors_for_symbol_p): New function.
6197 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6198 (mips_split_p): Declare.
6200 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6202 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6203 (mips*-*-linux*): Likewise.
6205 2006-03-16 Roger Sayle <roger@eyesopen.com>
6206 Daniel Speyer <dspeyer@wam.umd.edu>
6209 * tree-dump.c (dump_real): New function.
6210 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6211 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6212 (tree-dump.o): Add $(REAL_H) to the dependencies.
6214 2006-03-16 Roger Sayle <roger@eyesopen.com>
6217 * real.c (real_from_string): If the mantissa is zero, don't bother
6218 parsing the exponent as the result should always be zero.
6220 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6222 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6224 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6226 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6227 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6228 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6229 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6230 ia64_sched_finish_global): New static functions to implement
6231 hooks from gcc_target.sched.
6232 (spec_check_no, max_uid, pending_data_specs): New static variables.
6233 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6234 ia64_spec_check_src_p): New static functions.
6235 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6236 (TARGET_SCHED_ADJUST_COST): Removed.
6237 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6238 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6239 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6240 TARGET_SCHED_GEN_CHECK,
6241 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6242 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6243 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6244 Fixed to handle speculation checks.
6245 (rtx_needs_barrier): Fixed to handle speculative loads and
6247 (ia64_variable_issue): Added code to count speculative loads and their
6249 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6251 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6253 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6255 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6256 (ia64_reorg): Reset stops_p to NULL after it is freed.
6257 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6258 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6259 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6261 (data_speculative, control_speculative, check_load): New attributes.
6262 (mov<mode>_advanced, mov<mode>_speculative,
6263 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6264 zero_extend<mode>di2_speculative,
6265 zero_extend<mode>di2_speculative_advanced): New patterns for
6266 data and control speculative loads.
6267 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6269 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6270 New pattern for data and control speculation checks.
6271 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6272 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6273 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6274 Auxiliary definitions for the patterns.
6275 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6276 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6278 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6280 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6281 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6282 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6283 New resource constraints.
6284 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6286 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6287 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6288 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6289 msched-in-control-spec, msched-ldc, msched-control-ldc,
6290 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6291 msched-prefer-non-control-spec-insns,
6292 msched-count-spec-in-critical-path): New flags to tune speculative
6294 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6295 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6296 msched-in-control-spec, msched-ldc, msched-control-ldc,
6297 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6298 msched-prefer-non-control-spec-insns,
6299 msched-count-spec-in-critical-path): Document new flags.
6301 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6303 * target.h (struct spec_info_def): New opaque declaration.
6304 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6305 speculate_insn, needs_block_p, gen_check,
6306 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6307 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6308 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6309 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6310 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6311 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6313 (TARGET_SCHED): Use new macros.
6314 * rtl.h (copy_DEPS_LIST_list): New prototype.
6315 * sched-int.h (struct sched_info): Change signature of new_ready field,
6316 adjust all initializations. New fields: add_remove_insn,
6317 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6318 region_head_or_leaf_p.
6319 (struct spec_info_def): New structure declaration.
6320 (spec_info_t): New typedef.
6321 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6322 recovery_block, orig_pat.
6323 (glat_start, glat_end): New variables declaraions.
6324 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6326 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6327 DETACH_LIFE_INFO, USE_GLAT.
6328 (enum SPEC_SCHED_FLAGS): New enumeration.
6329 (NOTE_NOTE_BB_P): New macro.
6330 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6331 attach_life_info, debug_spec_status, check_reg_live): New functions.
6332 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6333 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6335 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6336 * ddg.c (get_block_head_tail): Adjust all uses.
6337 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6338 (sms_sched_info): Initialize new fields.
6339 (contributes_to_priority): Removed.
6340 * haifa-sched.c (params.h): New include.
6341 (get_block_head_tail): Adjust all uses.
6342 (ISSUE_POINTS): New macro.
6343 (glat_start, glat_end): New global variables.
6344 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6345 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6346 old_last_basic_block, before_recovery, current_sched_info_var,
6347 rgn_n_insns, luid): New static variables.
6348 (insn_cost1): New function. Move logic from insn_cost to here.
6349 (find_insn_reg_weight1): New function. Move logic from
6350 find_insn_reg_weight to here.
6351 (reemit_notes, move_insn, max_issue): Change signature.
6352 (move_insn1): Removed.
6353 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6354 extend_bb): New static functions to support extension of scheduler's
6356 (generate_recovery_code, process_insn_depend_be_in_spec,
6357 begin_speculative_block, add_to_speculative_block,
6358 init_before_recovery, create_recovery_block, create_check_block_twin,
6359 fix_recovery_deps): New static functions to support
6360 generation of recovery code.
6361 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6362 restore_bb_notes, move_block_after_check, move_succs): New static
6363 functions to support ebb scheduling.
6364 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6365 functions to support handling of register live information.
6366 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6367 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6368 add_jump_dependencies): New static functions.
6369 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6370 consistancy checking.
6371 (debug_spec_status): New function to call from debugger.
6372 (priority): Added code to handle speculation checks.
6373 (rank_for_schedule): Added code to distinguish speculative instructions.
6374 (schedule_insn): Added code to handle speculation checks.
6375 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6376 Fixed to handle ebbs.
6377 (move_insn): Added code to handle ebb scheduling.
6378 (max_issue): Added code to use ISSUE_POINTS of instructions.
6379 (choose_ready): Added code to choose between speculative and
6380 non-speculative instructions.
6381 (schedule_block): Added code to handle ebb scheduling and scheduling of
6382 speculative instructions.
6383 (sched_init): Initialize new variables.
6384 (sched_finish): Free new variables. Print statistics.
6385 (try_ready): Added code to handle speculative instructions.
6386 * lists.c (copy_DEPS_LIST_list): New function.
6387 * sched-deps.c (extend_dependency_caches): New function. Move logic
6388 from create_dependency_caches to here.
6389 (get_dep_weak, ds_merge): Make global.
6390 * genattr.c (main): Code to output prototype for
6391 dfa_clear_single_insn_cache.
6392 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6393 (output_dfa_clean_insn_cache_func): Code to output
6394 dfa_clear_single_insn_cache function.
6395 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6397 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6399 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6400 New static variables.
6401 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6402 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6404 (ebb_sched_info): Initialize new fields.
6405 (get_block_head_tail): Adjust all uses.
6406 (compute_jump_reg_dependencies): Fixed to use glat_start.
6407 (schedule_ebb): Code to remove unreachable last block.
6408 (schedule_ebbs): Added code to update register live information.
6409 * sched-rgn.c (region_sched_info): Initialize new fields.
6410 (get_block_head_tail): Adjust all uses.
6411 (last_was_jump): Removed. Adjust users.
6412 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6413 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6414 Implement new hooks.
6415 (check_dead_notes1): New static function.
6416 (struct region): New fields: dont_calc_deps, has_real_ebb.
6417 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6418 (BB_TO_BLOCK): Fixed to handle EBBs.
6419 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6420 (ebb_head): New static variable.
6421 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6422 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6424 (compute_dom_prob_ps): New assertion.
6425 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6426 global_live_at_start.
6427 (init_ready_list): New assertions.
6428 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6429 (new_ready): Add support for BEGIN_CONTROL speculation.
6430 (schedule_insns): Fixed code that updates register live information
6432 (schedule_region): Fixed to handle EBBs.
6433 (init_regions): Use extend_regions and check_dead_notes1.
6434 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6435 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6436 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6437 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6438 TARGET_SCHED_GEN_CHECK,
6439 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6440 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6441 * doc/invoke.texi (max-sched-insn-conflict-delay,
6442 sched-spec-prob-cutoff): Document.
6444 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6446 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6447 inter_tick, queue_index.
6448 (struct sched_info): Change signature of init_ready_list field.
6449 Adjust all initializations.
6450 (RESOLVED_DEPS): New access macro.
6451 (ready_add): Remove prototype.
6452 (try_ready): Add prototype.
6453 * sched-rgn.c (init_ready_list): Use try_ready.
6454 (schedule_region): Initialize
6455 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6456 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6457 (init_ready_list): Use try_ready.
6458 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6459 * lists.c (remove_list_elem): Remove `static'.
6460 (remove_free_INSN_LIST_elem): New function.
6461 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6462 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6463 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6465 (readyp): New variable.
6466 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6467 change_queue_index, resolve_dep): New static functions.
6468 (try_ready): New function. Adjust callers in sched-rgn.c and
6469 sched-ebb.c to use it instead of ready_add.
6470 (clock_var): Move at the begining of file.
6471 (rank_for_schedule): Fix typo.
6472 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6473 (ready_lastpos): Enforce assertion.
6474 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6476 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6477 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6478 (queue_to_ready): Use free_INSN_LIST_list.
6479 (early_queue_to_ready): Fix typo.
6480 (schedule_block): Init readyp. Move init_ready_list call after the
6481 initialization of clock_var. Fix error in rejecting insn by
6482 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6483 that previously corrected INSN_TICKs. Add code for handling
6485 (set_priorities): Fix typo.
6486 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6487 Clarify comment and code that keeps current_sched_info->next_tail
6490 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6492 * sched-rgn.c (extend_rgns): New static function.
6493 (find_rgns): Use it.
6494 (gather_region_statistics, print_region_statistics): New static
6496 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6497 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6499 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6500 Andrey Belevantsev <abel@ispras.ru>
6502 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6503 * lists.c (unused_deps_list): New variable.
6504 (free_list): Add assertions to verify the proper distinguishing
6505 between INSN_LISTs and DEPS_LISTs.
6506 (find_list_elem, remove_list_elem, remove_list_node): New static
6508 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6509 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6510 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6511 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6513 (free_INSN_LIST_node): Likewise.
6514 * modulo-sched.c (current_sched_info): Initialize flags field.
6515 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6516 * rtl.def (DEPS_LIST): Define.
6517 * rtl.h: Declare new functions from lists.c.
6518 * sched-deps.c (spec_dependency_cache): New static variable.
6519 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6520 (add_dependence): Change return type to void. Move the logic to ...
6521 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6522 (delete_all_dependences): Add comment about forward_dependency_cache.
6523 Handle spec_dependency_cache. Handle DEPS_LISTs.
6524 (fixup_sched_groups): Clarify the change of priority of output
6525 and anti dependencies.
6526 (sched_analyze_2): Adjust add_dependence calls to create data
6527 speculative dependence.
6528 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6529 Adjust all callers. Handle DEPS_LISTS.
6530 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6531 presence of speculation.
6532 (init_dependency_caches, free_dependency_caches):
6533 Handle spec_dependency_cache.
6534 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6535 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6536 New static functions.
6537 (add_or_update_back_dep, add_or_update_back_forw_dep,
6538 add_back_forw_dep, delete_back_forw_dep): New functions.
6539 * sched-int.h (ds_t, dw_t): New typedefs.
6540 (struct sched_info): Add new field flags.
6541 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6542 Prototype new sched-deps.c functions.
6543 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6544 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6545 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6546 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6547 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6548 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6550 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6552 * sched-rgn.c (current_sched_info): Initialize flags field.
6553 (schedule_insns): Initialize current_sched_info before the sched_init
6555 * sched-ebb.c (current_sched_info): Initialize flags field.
6556 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6557 Call add_or_update_back_dep instead of add_dependence.
6558 Create control speculative dependencies.
6559 (schedule_insns): Initialize current_sched_info before the sched_init
6562 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6564 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6566 (sh_fallback_frame_state): Likewise.
6568 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6570 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6571 Do switch on default_use_cxa_atexit.
6572 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6573 * config/darwin-crt3.o: New.
6574 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6575 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6576 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6578 * config/rs6000/t-darwin: Move crt2.o building to here.
6579 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6580 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6583 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6585 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6586 from '! xxx' to '!xxx' for coding-style conformance.
6587 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6588 (EXTRA_CONSTRAINT): Likewise.
6589 * config/vax/vax.md (four unnamed insns): Likewise.
6591 2006-03-15 Paul Brook <paul@codesourcery.com>
6593 * config/arm/arm.c (minipool_pad): New.
6594 (add_minipool_forward_ref): Include pool alignment padding in address
6596 (push_minipool_fix): Set minipool_pad.
6597 (minipool_pad): Ditto.
6599 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6601 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6602 instead of GET_CODE() == MEM and REG_P() instead of
6604 (print_operand_address): Likewise.
6605 (vax_address_cost): Likewise.
6606 (vax_rtx_costs): Likewise.
6607 (vax_notice_update_cc): Likewise.
6608 (vax_output_int_add): Likewise.
6609 (INDEX_REGISTER_P): Likewise.
6610 (BASE_REGISTER_P): Likewise.
6611 (nonindexed_address_p): Likewise.
6612 (vax_mode_dependent_address_p): Likewise.
6613 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6614 (PRINT_OPERAND): Likewise.
6615 * config/vax/vax.md (ashlsi3): Likewise.
6616 (ashlsi3): Likewise.
6617 (some more unnamed insns): Likewise.
6619 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6621 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6622 iterator-style macro.
6623 (mark_control_dependent_edges_necessary): Update the use of
6624 EXECUTE_IF_CONTROL_DEPENDENT.
6626 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6628 * config/sh/predicates.md (cache_address_operand): Special.
6629 (ua_address_operand): Likewise.
6631 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6633 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6635 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6637 2006-03-15 Andreas Schwab <schwab@suse.de>
6639 * gensupport.c (identify_predicable_attribute): Don't free p_false
6640 when it is still in use.
6642 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6644 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6645 the default setting here.
6647 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6649 * tree-pass.h (pass_cfg): Remove.
6650 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6651 * passes.c (pass_cfg): Don't run it.
6653 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6655 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6656 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6658 (stack_regs_mentioned): Update the uses of
6659 stack_regs_mentioned_data. Don't access the array beyond its
6661 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6662 Don't include gt-reg-stack.h.
6664 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6665 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6667 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6670 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6673 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6675 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6677 2006-03-14 Richard Guenther <rguenther@suse.de>
6679 PR tree-optimization/26672
6680 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6683 2006-03-14 Richard Guenther <rguenther@suse.de>
6685 PR tree-optimization/26667
6686 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6687 node for the callees. Always allow inlining if it will shrink
6690 2006-03-14 Richard Guenther <rguenther@suse.de>
6693 * builtins.c (get_pointer_alignment): Prefer alignment
6694 information from decls over that from types.
6696 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6699 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6701 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6703 * config/rs6000/rs6000.opt (mdlmzb): New option.
6704 (msched-prolog, msched-epilog): Use Var not Mask.
6705 * doc/invoke.texi (-mdlmzb): Document.
6706 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6708 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6709 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6711 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6713 PR rtl-optimization/25739
6714 * bt-load.c (augment_live_range): Free tos pointer.
6716 * gensupport.c (identify_predicable_attribute): Free
6718 * gcov.c (create_file_names): Free name pointer.
6720 2006-03-13 Roger Sayle <roger@eyesopen.com>
6723 * stmt.c (emit_case_nodes): Handle the case where the index is a
6724 CONST_INT, where the comparison mode is specified by the index type.
6726 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6728 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6731 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6733 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6734 (*branch_fp_inverted): Likewise.
6736 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6739 * omp-low.c (expand_omp_for_generic): Mark istart0
6740 and iend0 as addressable.
6742 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6744 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6746 2006-03-13 Jeff Law <law@redhat.com>
6748 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6749 virtual operands are interesting.
6750 (vrp_visit_stmt): Corresponding changes.
6752 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6754 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6756 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6757 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6758 * config/bfin/crti.S: Use it instead of __PIC__.
6759 * config/bfin/crtn.S: Likewise.
6761 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6762 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6764 Lose 'G' modifier for call operand.
6765 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6766 recognize 'G' modifier.
6768 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6771 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6772 * stmt.c (expand_case): Likewise.
6774 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6776 PR rtl-optimization/26254
6777 * loop-invariant.c (seq_insns_valid_p): New function.
6778 (move_invariant_reg): Only emit new code if it is valid.
6780 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6782 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6784 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6785 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6786 (commit_one_edge_insertion): Do not look for loop notes.
6788 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6790 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6791 flag_test_coverage out of loop.
6793 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6795 * final.c (shorten_branches): Remove outdated comment, and turn
6796 the if branch that guards it to continue.
6798 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6800 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6801 * cfgloop.h (struct loop): Remove unused fields.
6803 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6805 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6806 (-dL, -fdump-rtl-loop2): Update the dump file names
6808 * doc/invoke.texi: Update dump file names.
6810 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6812 * predict.c (estimate_probability): Remove.
6813 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6814 * basic-block.h (estimate_probability): Remove prototype.
6815 * passes.c (finish_optimization_passes): Dump branch prediction or
6816 profiling heuristics to the .profile tree dump.
6817 (init_optimization_passes): Unqueue pass_branch_prob.
6819 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6821 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6823 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6824 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6826 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6828 * function.h (frame_offset_overflow): Declare.
6829 * function.c (frame_offset_overflow): New function.
6830 (assign_stack_local_1): Call it to detect that the offset overflows.
6831 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6833 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6835 * config/sh/sh.c: Include alloc-pool.h.
6836 (label_ref_list_pool): New alloc pool.
6837 (label_ref_list_t): New type for lists of labels.
6838 (struct pool_node): Make wend a label_ref_list_t.
6839 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6841 (dump_table): Likewise.
6842 (sh_reorg): Set up the alloc pool before using add_constant and
6843 dump_table, and destroy it when finishing.
6845 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6847 * config/mips/mips.c: Remove redundant comment.
6849 2006-03-10 Jason Merrill <jason@redhat.com>
6852 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6853 the target was declared 'register'.
6855 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6857 * genpreds.c (write_insn_constraint_len): Change definition of
6858 insn_constraint_len to return size_t to match the declaration.
6860 2006-03-10 DJ Delorie <dj@redhat.com>
6862 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6864 (m32c_expand_insv): Fix test for an AND mask.
6866 2006-03-10 Richard Guenther <rguenther@suse.de>
6869 * builtins.c (get_pointer_alignment): Handle component
6870 references for field alignment.
6872 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6874 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6875 when building with libgloss.
6876 (sh*elf): Implement --without-fp option.
6877 (sh64-superh-linux*): Don't multilib.
6879 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6881 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6883 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6885 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6886 Set it when one of the replacement functions returned true.
6887 Return TODO_cleanup_cfg if cfgchanged is true.
6888 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6890 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6892 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6893 instead of gen_lowpart.
6895 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6897 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6899 (mips_output_order_conditional_branch): Declare.
6900 * config/mips/mips.h (MIPS_BRANCH): New macro.
6901 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6902 for the comparison. Use gen_condjump.
6903 (mips_output_conditional_branch): Rework interface to take the
6904 asm templates for a direct branch and the inverse of a direct branch.
6905 (mips_output_order_conditional_branch): New function.
6906 (mips_builtin_branch_and_move): New function.
6907 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6908 branch condition. Use gen_single_cc as the condition for
6909 __builtin_mips_upper_* or __builtin_mips_lower_*.
6910 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6911 Use VOIDmode for the branch condition.
6912 * config/mips/predicates.md (order_operator): New predicate.
6913 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6914 (branch_fp): Rename to...
6915 (*branch_fp): ...this. Remove mode from comparison operator.
6916 Use new mips_output_conditional_branch interface.
6917 (branch_fp_inverted): Rename to...
6918 (*branch_fp_inverted): ...this and update as for *branch_fp.
6919 (*branch_zero<mode>): Rename to...
6920 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6921 Use mips_output_order_conditional_branch. Only accept ordered
6923 (*branch_zero<mode>_inverted): Rename to...
6924 (*branch_order<mode>_inverted): ...this and update as for
6925 *branch_order<mode>.
6926 (*branch_equality<mode>): Accept zero as the second operand to
6927 the equality operator. Use the new mips_output_conditional_branch
6929 (*branch_equality<mode>_inverted): Likewise.
6930 (condjump): New expander.
6931 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6933 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6934 (bc1any2t, bc1any2f): Likewise.
6935 (single_cc): New expander.
6936 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6938 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6940 * doc/md.texi: Update documentation of MIPS constraints.
6941 * config/mips/constraints.md: New file.
6942 * config/mips/mips.md: Include it.
6943 * config/mips/mips.c (mips_char_to_class): Delete.
6944 (override_options): Don't initialize mips_char_to_class.
6945 * config/mips/mips.h (mips_char_to_class): Delete.
6946 (REG_CLASS_FROM_LETTER): Delete.
6947 (CONST_OK_FOR_LETTER_P): Delete.
6948 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6949 (EXTRA_CONSTRAINT_Y): Delete.
6950 (EXTRA_CONSTRAINT_STR): Delete.
6951 (CONSTRAINT_LEN): Delete.
6952 (EXTRA_MEMORY_CONSTRAINT): Delete.
6954 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6956 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6957 original fn's eh regions.
6959 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6961 * fold-const.c (build_range_check): Make sure to use a valid type to
6962 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6965 (range_predecessor): New static function.
6966 (range_successor): Likewise.
6967 (merge_ranges): Use them to compute predecessors and successors of
6970 2006-03-09 Roger Sayle <roger@eyesopen.com>
6973 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6974 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6976 2006-03-08 DJ Delorie <dj@redhat.com>
6978 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6979 (addpsi3): Expand to include memory operands. Remove
6980 reload-specific splits.
6981 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6982 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6983 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6984 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6985 (shift1_qi, shift1_hi, insv): New.
6986 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6987 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6988 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6990 * config/m32c/m32c-protos.h: Update as needed.
6991 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6992 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6993 Fail for unrecognized R* constraints.
6994 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6995 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6996 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6998 (m32c_init_libfuncs): New.
6999 (m32c_legitimate_address_p): Add debug wrapper.
7000 (m32c_rtx_costs): New.
7001 (m32c_address_cost): New.
7002 (conversions): Add 'B' prefix.
7003 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7004 operands, or word regnames for QI operands. 'B' prints bit
7006 (m32c_expand_setmemhi): New.
7007 (m32c_expand_movmemhi): New.
7008 (m32c_expand_movstr): New.
7009 (m32c_expand_cmpstr): New.
7010 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7011 (m32c_expand_neg_mulpsi3): Handle non-ints.
7012 (m32c_cmp_flg_0): New.
7013 (m32c_expand_movcc): New.
7014 (m32c_expand_insv): New.
7015 (m32c_scc_pattern): New.
7016 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7017 a0/a1 out of SIregs.
7018 (STORE_FLAG_VALUE): New.
7019 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7022 * config/m32c/mov.md: Make constraints more liberal.
7023 (zero_extendqihi2): Optimize r0/r1 case.
7024 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7025 * config/m32c/predicates.md (m32c_any_operand): New.
7026 (m32c_nonimmediate_operand): New.
7027 (m32c_hl_operand): New.
7028 (m32c_r3_operand): New.
7031 (memsym_operand): New.
7032 (memimmed_operand): New.
7033 (a_qi_operand): New.
7034 (m32c_eqne_operator): New.
7035 (m32c_1bit8_operand): New.
7036 (m32c_1bit16_operand): New.
7037 (m32c_1mask8_operand): New.
7038 (m32c_1mask16_operand): New.
7039 * config/m32c/blkmov.md: New file.
7040 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7042 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7044 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7045 unsigned to fix signed/unsigned comparison issue in
7046 DWARF2_FRAME_REG_OUT.
7047 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7048 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7050 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7051 of ptr into the ENABLE_CHECKING section.
7053 2006-03-08 Jeff Law <law@redhat.com>
7055 * tree-vrp.c (infer_value_range): Only count pointer uses
7056 and dereferences if -fdelete-null-pointer-checks is enabled.
7058 * tree-vrp.c (find_assert_locations): Infer value ranges for
7059 single use pointers, but do not create ASSERT_EXPRs for them.
7060 When a non-null range is inferred for a pointer, backwards
7061 propagate that range to other equivalent pointers through the
7064 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7067 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7068 language hook targets.
7069 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7070 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7071 if language hook targets were missing.
7073 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7075 * tree-ssa-opfinalize.h: Removed.
7076 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7078 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7079 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7080 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7081 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7082 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7083 finalize_ssa_v_must_def_ops): New.
7085 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7087 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7090 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7092 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7094 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7095 addresses with offsets; reorganize.
7097 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7098 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7099 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7101 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7104 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7106 2006-03-08 Ben Elliston <bje@au.ibm.com>
7108 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7110 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7113 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7116 2006-03-07 Richard Guenther <rguenther@suse.de>
7118 PR tree-optimization/26587
7119 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7121 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7123 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7125 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7127 * hooks.c (hook_bool_mode_rtx_true): New function.
7128 * hooks.h (hook_bool_mode_rtx_true): Declare.
7129 * toplev.c (compile_file): Call output_shared_constant_pool.
7130 * varasm.c (shared_constant_pool): New variable.
7131 (assemble_start_function, assemble_end_function): Remove arguments
7132 from call to output_constant_pool.
7133 (create_constant_pool): New function, split out from...
7134 (init_varasm_status): ...here.
7135 (force_const_mem): Choose between the shared and per-function constant
7136 pools. Set current_function_uses_const_pool when reusing old entries
7137 as well as when creating new ones.
7138 (mark_constant): Ignore data argument.
7139 (mark_constants): Remove pool argument.
7140 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7141 to decide whether the function uses a constant pool.
7142 (output_constant_pool_contents): New function, split out from...
7143 (output_constant_pool): ...here.
7144 (output_shared_constant_pool): New function.
7145 (init_varasm_once): Initialize shared_constant_pool.
7146 * output.h (output_constant_pool): Delete.
7147 (output_shared_constant_pool): Declare.
7148 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7149 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7151 2006-03-06 Nick Clifton <nickc@redhat.com>
7153 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7154 flag_strength_reduce.
7156 2006-03-06 Ben Elliston <bje@au.ibm.com>
7158 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7159 x86_64-*-linux* configurations.
7161 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7162 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7164 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7166 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7168 * basic-block.h: Remove the extern for
7169 rediscover_loops_after_threading.
7171 * cfgloop.c (cancel_loop): Make it static.
7172 * cfgloop.h: Remove the prototype for cancel_loop.
7174 * flow.c (recompute_reg_usage): Make it static.
7175 * rtl.h: Remove the prototype for recompute_reg_usage.
7177 * function.c (use_return_register): Make it static.
7178 * function.h: Remove the prototype.
7180 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7182 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7184 * recog.h: Remove the prototype for
7185 validate_change_maybe_volatile.
7187 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7189 * rtlanal.c (replace_reg): Remove.
7190 * rtl.h: Remove the prototype for replace_reg.
7192 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7194 * regclass.c (reg_scan_update): Remove.
7195 (reg_scan_mark_refs): Remove the last argument.
7196 * rtl.h: Remove the prototype for reg_scan_update.
7198 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7200 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7201 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7202 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7203 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7204 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7205 loop-invariant.c, omp-low.c, opts.c, passes.c,
7206 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7207 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7208 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7209 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7210 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7211 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7213 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7215 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7216 * dwarf2out.h: Remove the prototype for
7217 dwarf2out_add_library_unit_info.
7219 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7221 * tree.c (add_var_to_bind_expr): Remove.
7222 * tree.h: Remove the prototype for add_var_to_bind_expr.
7224 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7226 * regclass.c (n_non_fixed_regs): Remove.
7227 (init_reg_sets_1, globalize_reg): Remove all uses of
7229 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7231 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7233 * rtlanal.c (insns_safe_to_move_p): Remove.
7234 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7236 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7238 * expmed.c (expand_mult_add): Remove.
7239 * expr.h: Remove the prototype for expand_mult_add.
7241 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7243 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7244 and REG_SAVED_VAL_EXP constants.
7245 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7246 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7247 Handle regs stored by value.
7248 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7249 (execute_cfa_program): Handle DW_CFA_val_offset,
7250 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7251 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7252 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7253 (uw_install_context_1): Handle target regs stored by value.
7255 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7257 * tree-sra.c (tree_sra): Return todoflags;
7258 (generate_one_element): Set TODO_update_smt_usage if needed.
7259 (pass_sra): Remove TODO_update_smt_usage.
7260 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7262 (tree_ssa_forward_propagate_single_use_vars): Return
7263 TODO_update_smt_usage if we need to update SMT usage.
7264 (pass_forwprop): Remove TODO_update_smt_usage.
7266 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7268 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7269 (correct_use_link): Remove reference to get_stmt_operands.
7270 (update_stmt_operands): Likewise.
7271 (get_modify_expr_operands): New function factored out of
7272 parse_ssa_operands and get_expr_operands.
7273 Try to create V_MUST_DEFs for LHS by default.
7274 (get_expr_operands) <case MODIFY_EXPR>: Call
7275 get_modify_expr_operands.
7276 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7277 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7278 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7279 get_modify_expr_operands.
7281 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7283 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7284 * tree-flow.h: Remove the prototype for
7285 referenced_var_lookup_if_exists.
7287 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7289 PR rtl-optimization/26345
7291 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7293 2006-03-03 Roger Sayle <roger@eyesopen.com>
7295 PR tree-optimization/26524
7296 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7297 fold_convert to create a constant of the appropriate type.
7299 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7301 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7302 SYMBOL_REF_IN_BLOCK_P.
7303 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7304 of SYMBOL_FLAG_IN_BLOCK.
7305 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7306 instead of SYMBOL_REF_IN_BLOCK_P.
7307 * explow.c (use_anchored_address): Likewise.
7308 * rtl.c (rtx_size): Likewise.
7309 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7310 instead of SYMBOL_FLAG_IN_BLOCK.
7311 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7312 SYMBOL_REF_IN_BLOCK_P.
7313 (assemble_variable): Likewise.
7314 (output_constant_def_contents): Likewise.
7315 (output_constant_pool): Likewise.
7316 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7317 instead of SYMBOL_FLAG_IN_BLOCK.
7318 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7319 SYMBOL_REF_IN_BLOCK_P.
7320 (SYMBOL_REF_BLOCK): Likewise.
7321 (SYMBOL_REF_OFFSET): Likewise.
7322 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7323 SYMBOL_REF_IN_BLOCK_P.
7324 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7325 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7326 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7327 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7329 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7331 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7333 2006-03-02 Roger Sayle <roger@eyesopen.com>
7335 * simplify-rtx.c (simplify_unary_operation): When simplifying
7336 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7337 that we perform the right shift in the appropriate mode, and
7338 then extend or truncate the result to requested mode.
7340 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7342 * gengtype.c (main): Handle double_int type.
7343 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7344 * double-int.c: New file.
7345 * double-int.h: New file.
7346 * system.h: Include doubleint.h.
7347 * Makefile.in (SYSTEM_H): Include double-int.h.
7348 (double-int.o): Add.
7350 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7353 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7356 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7358 * tree-vrp.c (remove_range_assertions): Do not update statements
7361 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7363 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7365 * gcse.c (rest_of_handle_gcse): Ditto.
7366 * except.c (gate_handle_eh): Ditto.
7367 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7368 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7370 2006-03-02 Eric Christopher <echristo@apple.com>
7372 * config/i386/i386.c (machopic_output_stub): Add indirection to
7375 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7379 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7381 Sun Niagara specific optimizations.
7382 * config.gcc: Recognize niagara as target.
7383 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7384 (TARGET_CPU_niagara): Define.
7385 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7386 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7387 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7388 (ASM_CPU_SPEC): Likewise.
7389 (PROCESSOR_NIAGARA): New enum entry.
7390 (REGISTER_MOVE_COST): Handle Niagara.
7391 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7392 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7393 (sparc_override_options): Recognize "niagara", set appropriate
7394 default MASK_* values for it, and align functions to 32-bytes
7395 by default just like ULTRASPARC/ULTRASPARC3.
7396 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7397 (sparc64_initialize_trampoline): Likewise.
7398 (sparc_use_sched_lookahead): Use zero for niagara.
7399 (sparc_issue_rate): Use one for niagara.
7400 * config/sparc/niagara.md: New file.
7401 * config/sparc/sparc.md: Include it.
7402 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7403 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7404 when default cpu is niagara.
7405 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7406 (ASM_CPU_SPEC): Likewise.
7407 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7408 when default cpu is niagara.
7409 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7410 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7411 just like v9/ultrasparc/ultrasparc3.
7412 * doc/invoke.texi: Add documentation for "niagara" and improve
7413 existing documentation for ultrasparc variants.
7415 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7417 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7419 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7421 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7422 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7423 and say that only one is needed.
7424 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7425 * target.h (have_switchable_bss_sections): New hook.
7426 * explow.c (use_anchored_address): Check that the symbol is in a block.
7427 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7428 (bss_noswitch_section): New variables.
7429 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7430 (get_noswitch_section): New function.
7431 (get_block_for_section): Allow SECT to be null.
7432 (unlikely_text_section_p): Use SECTION_STYLE.
7433 (bss_initializer_p): New function.
7434 (get_variable_section): Move earlier in file. Take a new argument,
7435 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7436 Return one of the new *_sections in such cases.
7437 (get_block_for_decl): New function, extracting some logic from
7438 use_blocks_for_decl_p.
7439 (change_symbol_section): Remove in favor of...
7440 (change_symbol_block): ...this new function.
7441 (use_blocks_for_decl_p): Remove checks now performed by
7443 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7444 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7445 (emit_local, emit_bss, emit_common): ...these new functions.
7446 Return true if the alignment was honored.
7447 (emit_tls_common): New function.
7448 (asm_emit_uninitialised): Delete.
7449 (assemble_variable_noswitch): New function, split out from...
7450 (assemble_variable): ...here. Don't make decisions about common
7451 variables here. Globalize all public decls that go into non-common
7452 sections. Check whether SYMBOL_REF_BLOCK is null.
7453 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7454 (output_constant_pool): Likewise.
7455 (init_varasm_once): Initialize the new section variables.
7456 (have_global_bss_p): New function.
7457 (categorize_decl_for_section): Use bss_initializer_p.
7458 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7459 (place_block_symbol): Assert that the symbol must be in a block.
7460 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7461 (TARGET_INITIALIZER): Include it.
7462 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7463 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7464 (SECTION_MACH_DEP): Bump by two.
7465 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7466 (unnamed_section): Mention SECTION_UNNAMED in comment.
7467 (named_section): Likewise SECTION_NAMED.
7468 (noswitch_section_callback): New type.
7469 (noswitch_section): New structure.
7470 (section): Add a noswitch_section alternative.
7471 (SECTION_STYLE): New macro.
7472 (tls_comm_section, comm_section, lcomm_section): Declare.
7473 (bss_noswitch_section, have_global_bss_p): Declare.
7474 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7475 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7477 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7478 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7481 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7483 * tree-vrp.c (execute_vrp): Return value.
7484 * regrename.c (rest_of_handle_regrename): Ditto.
7485 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7486 * tree-complex.c (tree_lower_complex): Ditto.
7487 (tree_lower_complex_O0): Ditto.
7488 * tracer.c (rest_of_handle_tracer): Ditto.
7489 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7490 * postreload.c (rest_of_handle_postreload): Ditto.
7491 * tree-tailcall.c (execute_tail_recursion): Ditto.
7492 (execute_tail_calls): Ditto.
7493 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7494 * tree.h (init_function_for_compilation): Ditto.
7495 * ipa-cp.c (ipcp_driver): Ditto.
7496 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7497 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7498 * final.c (compute_alignments): Ditto.
7499 (rest_of_handle_final): Ditto.
7500 (rest_of_handle_shorten_branches): Ditto.
7501 (rest_of_clean_state): Ditto.
7502 * omp-low.c (execute_expand_omp): Ditto.
7503 (execute_lower_omp): Ditto.
7504 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7505 * ipa-reference.c (static_execute): Ditto.
7506 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7507 * reorg.c (rest_of_handle_delay_slots): Ditto.
7508 (rest_of_handle_machine_reorg): Ditto.
7509 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7510 * flow.c (recompute_reg_usage): Ditto.
7511 (rest_of_handle_remove_death_notes): Ditto.
7512 (rest_of_handle_life): Ditto.
7513 (rest_of_handle_flow2): Ditto.
7514 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7515 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7516 (do_ssa_store_ccp): Ditto.
7517 (execute_fold_all_builtins): Ditto.
7518 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7519 * modulo-sched.c (rest_of_handle_sms): Ditto.
7520 * ipa-pure-const.c (static_execute): Ditto.
7521 * cse.c (rest_of_handle_cse): Ditto.
7522 (rest_of_handle_cse2): Ditto.
7523 * web.c (rest_of_handle_web): Ditto.
7524 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7525 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7526 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7527 * tree-nrv.c (tree_nrv): Ditto.
7528 (execute_return_slot_opt): Ditto.
7529 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7530 (create_structure_vars): Ditto.
7531 * loop-init.c (rtl_loop_init): Ditto.
7532 (rtl_loop_done): Ditto.
7533 (rtl_move_loop_invariants): Ditto.
7534 (rtl_unswitch): Ditto.
7535 (rtl_unroll_and_peel_loops): Ditto.
7536 (rtl_doloop): Ditto.
7537 * gimple-low.c (lower_function_body): Ditto.
7538 (mark_used_blocks): Ditto.
7539 * tree-ssa-sink.c (execute_sink_code): Ditto.
7540 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7541 (cgraph_early_inlining): Ditto.
7542 * global.c (rest_of_handle_global_alloc): Ditto.
7543 * jump.c (cleanup_barriers): Ditto.
7544 (purge_line_number_notes): Ditto.
7545 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7546 (rest_of_handle_if_after_reload): Ditto.
7547 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7548 (tree_ssa_loop_im): Ditto.
7549 (tree_ssa_loop_unswitch): Ditto.
7550 (tree_vectorize): Ditto.
7551 (tree_linear_transform): Ditto.
7552 (tree_ssa_loop_ivcanon): Ditto.
7553 (tree_ssa_empty_loop): Ditto.
7554 (tree_ssa_loop_bounds): Ditto.
7555 (tree_complete_unroll): Ditto.
7556 (tree_ssa_loop_prefetch): Ditto.
7557 (tree_ssa_loop_ivopts): Ditto.
7558 (tree_ssa_loop_done): Ditto.
7559 * predict.c (tree_estimate_probability): Ditto.
7560 * recog.c (split_all_insns_noflow): Ditto.
7561 (rest_of_handle_peephole2): Ditto.
7562 (rest_of_handle_split_all_insns): Ditto.
7563 * tree-eh.c (lower_eh_constructs): Ditto.
7564 * regmove.c (rest_of_handle_regmove): Ditto.
7565 (rest_of_handle_stack_adjustments): Ditto.
7566 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7567 * function.c (instantiate_virtual_regs): Ditto.
7568 (init_function_for_compilation): Ditto.
7569 (rest_of_handle_check_leaf_regs): Ditto.
7570 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7571 (rest_of_handle_gcse): Ditto.
7572 * ipa-type-escape.c (type_escape_execute): Ditto.
7573 * alias.c (rest_of_handle_cfg): Ditto.
7574 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7575 * profile.c (rest_of_handle_branch_prob): Ditto.
7576 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7577 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7578 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7579 * tree-dfa.c (find_referenced_vars): Ditto.
7580 * except.c (set_nothrow_function_flags): Ditto.
7581 (convert_to_eh_region_ranges): Ditto.
7582 (rest_of_handle_eh): Ditto.
7583 * emit-rtl.c (unshare_all_rtl): Ditto.
7584 (remove_unnecessary_notes): Ditto.
7585 * except.h (set_nothrow_function_flags): Ditto.
7586 (convert_to_eh_region_ranges): Ditto.
7587 * cfgexpand.c (tree_expand_cfg): Ditto.
7588 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7589 * tree-ssa-pre.c (do_pre): Ditto.
7590 (execute_fre): Ditto.
7591 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7592 (rest_of_handle_jump2): Ditto.
7593 * tree-sra.c (tree_sra): Ditto.
7594 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7595 (execute_mudflap_function_decls): Ditto.
7596 * tree-ssa-copy.c (do_copy_prop): Ditto.
7597 (do_store_copy_prop): Ditto.
7598 * ipa-prop.h (ipcp_driver): Ditto.
7599 * cfglayout.c (insn_locators_initialize): Ditto.
7600 * tree-ssa-forwprop.c
7601 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7602 * cfglayout.h (insn_locators_initialize): Ditto.
7603 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7604 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7605 (execute_late_warn_uninitialized): Ditto.
7606 * rtl.h (cleanup_barriers): Ditto.
7607 (split_all_insns_noflow): Ditto.
7608 (purge_line_number_notes): Ditto.
7609 (unshare_all_rtl): Ditto.
7610 (remove_unnecessary_notes): Ditto.
7611 (recompute_reg_usage): Ditto.
7612 (variable_tracking_main): Ditto.
7613 * integrate.c (emit_initial_value_sets): Ditto.
7614 * integrate.h (emit_initial_value_sets): Ditto.
7615 * tree-optimize.c (execute_free_datastructures): Ditto
7616 (execute_free_cfg_annotations): Ditto.
7617 (execute_fixup_cfg): Ditto.
7618 (execute_cleanup_cfg_pre_ipa): Ditto.
7619 (execute_cleanup_cfg_post_optimizing): Ditto.
7620 (execute_init_datastructures): Ditto.
7621 * tree-object-size.c (compute_object_sizes): Ditto.
7622 * combine.c (rest_of_handle_combine): Ditto.
7623 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7624 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7625 (rest_of_handle_reorder_blocks): Ditto.
7626 (rest_of_handle_partition_blocks): Ditto.
7627 * var-tracking.c (variable_tracking_main): Ditto.
7628 * tree-profile.c (tree_profiling): Ditto.
7629 * tree-vect-generic.c (expand_vector_operations): Ditto.
7630 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7631 * sched-rgn.c (rest_of_handle_sched): Ditto.
7632 (rest_of_handle_sched2): Ditto.
7633 * basic-block.h (free_bb_insn): Ditto.
7634 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7635 * tree-cfg.c (execute_build_cfg): Ditto.
7636 (remove_useless_stmts): Ditto.
7637 (split_critical_edges): Ditto.
7638 (execute_warn_function_return): Ditto.
7639 (execute_warn_function_noreturn): Ditto.
7640 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7641 * cfgrtl.c (free_bb_for_insn): Ditto.
7642 * passes.c (execute_one_pass): Run additional
7643 todos returned by execute function.
7644 * tree-pass.h (struct tree_opt_pass): Make execute
7647 2006-03-02 Richard Guenther <rguenther@suse.de>
7649 * tree-ssa-alias.c (find_used_portions): Consider taking
7650 the address as making the variable not write-only.
7652 2006-03-02 Nick Clifton <nickc@redhat.com>
7654 * config.gcc (default_use_cxa_atexit): Extend the description of
7655 this configure variable. Set its default value to "yes" for
7656 Linux, NetBSD and ELF targets on the assumption that they will
7657 use C libraries with the __cxa_atexit function.
7659 2006-03-02 Ben Elliston <bje@au.ibm.com>
7661 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7662 parameter as unused to suppress a build warning.
7664 2006-03-02 Ben Elliston <bje@au.ibm.com>
7666 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7669 2006-03-01 Roger Sayle <roger@eyesopen.com>
7672 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7673 declared name, the weak reference name, and the typeof name.
7674 (__gthrw): Avoid expanding the declared name suffix.
7675 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7677 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7679 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7681 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7682 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7683 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7684 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7685 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7686 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7687 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7688 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7689 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7690 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7691 (DW_END_default, DW_END_big, DW_END_little): New.
7692 (DW_END_lo_user, DW_END_hi_user): Define.
7693 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7694 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7695 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7698 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7700 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7702 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7704 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7706 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7708 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7709 to 'symbol_mem_tag'.
7711 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7714 2006-03-01 Roger Sayle <roger@eyesopen.com>
7716 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7718 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7721 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7722 MACHO_DYNAMIC_NO_PIC_P.
7723 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7725 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7728 * config/darwin-protos.h (darwin_asm_output_anchor):
7730 * config/darwin-sections.def (cstring_section):
7731 Add SECTION_MERGE to the flags.
7732 (literal4_section): Likewise.
7733 (literal8_section): Likewise.
7734 (objc_selector_refs_section): Likewise.
7735 (objc_cls_refs_section): Likewise.
7736 * config/darwin.c (darwin_asm_output_anchor): New
7738 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7740 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7742 Fix PR tree-optimization/26443
7743 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7744 to todo and PROP_tmt_usage to properties_destroyed.
7745 * tree-ssa-ccp.c (pass_ccp): Ditto.
7746 (pass_store_ccp): Ditto.
7747 * tree-ssa-dom.c (pass_dominator): Ditto.
7749 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7751 * tree-ssa-operands.c: Cleanup whitespace.
7752 (get_asm_expr_operands): Move before first invocation.
7753 (get_indirect_ref_operands): Likewise.
7754 (get_tmr_operands): Likewise.
7755 (get_call_expr_operands): Likewise.
7756 (append_def): Likewise.
7757 (append_use): Likewise.
7758 (append_v_may_def): Likewise.
7759 (append_v_must_def): Likewise.
7760 (add_call_clobber_ops): Likewise.
7761 (add_call_read_ops): Likewise.
7762 (add_stmt_operand): Likewise.
7763 (add_virtual_operand): Likewise.
7764 (build_ssa_operands): Likewise.
7766 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7771 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7772 with a call expr to ...
7773 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7775 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7777 * tree-vrp.c (extract_range_from_assert): Remove special
7778 handling for types with super-types.
7780 2006-03-01 Ben Elliston <bje@au.ibm.com>
7782 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7783 and powerpc64-*-linux* configurations.
7784 * config/t-dfprules: New file.
7786 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7787 Compile dfp-bit.c from the source directory using -DWIDTH and
7788 $DFP_CFLAGS to control the compilation of that file, rather than
7789 generating width-specific versions in the build directory.
7790 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7791 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7793 2006-02-28 Zack Weinberg <zackw@panix.com>
7795 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7798 2006-02-28 Eric Christopher <echristo@apple.com>
7800 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7801 Set up IN_LIBGCC definition of TARGET_64BIT.
7802 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7804 2006-02-28 Roger Sayle <roger@eyesopen.com>
7807 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7808 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7809 cases via the construction of "expr != 0".
7811 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7813 * alias.c (alias_invariant, alias_invariant_size): Remove.
7814 (record_base_value): Remove.
7815 (memrefs_conflict_p): Don't look at alias_invariant.
7816 (end_alias_analysis): Don't free it.
7817 * alias.h (record_base_value): Remove prototype.
7819 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7820 Adam Nemet <anemet@caviumnetworks.com>
7822 * rtl.h (truncated_to_mode): Declare it.
7823 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7824 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7825 (RTL_HOOKS_INITIALIZER): Include it.
7826 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7827 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7828 reg_truncated_to_mode.
7829 * rtlanal.c (truncated_to_mode): Define it.
7830 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7832 2006-02-28 Jeff Law <law@redhat.com>
7834 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7835 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7836 the range allowed by TYPE_PRECISION.
7838 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7840 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7842 PR tree-optimization/26419
7843 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7846 2006-02-27 Zack Weinberg <zackw@panix.com>
7848 * doc/md.texi: Fix typo in previous change.
7850 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7854 2006-02-27 Zack Weinberg <zackw@panix.com>
7856 * rtl.def (define_constraint, define_register_constraint)
7857 (define_memory_constraint, define_address_constraint): New MD forms.
7858 * gensupport.c (process_rtx): Put define_constraint etc on the
7860 * genpreds.c (process_define_predicate): Adjust comment. Validate
7861 the name, and call validate_exp to validate the expression.
7862 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7863 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7864 all callers changed.
7865 (validate_exp, needs_variable, struct constraint_data)
7866 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7867 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7868 (const_dbl_constraints, constraint_max_namelen)
7869 (have_register_constraints, have_memory_constraints)
7870 (have_address_constraints, have_address_constraints)
7871 (have_extra_constraints, have_const_int_constraints)
7872 (have_const_dbl_constraints, mangle, add_constraint)
7873 (process_define_constraint, process_define_register_constraint)
7874 (write_enum_constraint_num, write_lookup_constraint)
7875 (write_insn_constraint_len, write_regclass_for_constraint)
7876 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7877 (write_insn_extra_memory_constraint)
7878 (write_insn_extra_address_constraint)
7879 (write_satisfies_constraint_fns): New.
7880 (write_tm_preds_h): If we have new-style constraint definitions,
7881 prototype the functions generated from them, and define the
7882 old constraint interface (still used by generic code) in terms of
7884 (write_insn_preds_c): If we have new-style constraint definitions,
7885 generate all relevant functions from those definitions.
7886 (main): Handle define_constraint etc.
7887 * genoutput.c (struct constraint_data, indep_constraints)
7888 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7889 (mdep_constraint_len): New data structures and functions, defined
7890 #ifdef USE_MD_CONSTRAINTS.
7891 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7892 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7893 use new logic to validate operand constraints against constraint
7895 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7897 * defaults.h: If none of the old-style constraint macros are
7898 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7899 old-style macros; and poison REG_CLASS_FROM_LETTER,
7900 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7902 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7903 * doc/md.texi: Document new constraint-definition mechanism and the
7904 C interface it provides. Remove references to old mechanism
7905 elsewhere in the document.
7906 (Machine Constraints): Use pathnames relative to gcc directory,
7907 i.e. config/ARCH/FILE. Change i386 section to refer to
7908 config/i386/predicates.md; update that section to match docstrings.
7909 * doc/tm.texi: Move all documentation of the old constraint-
7910 definition macros to their own section, clearly mark as obsolete.
7912 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7913 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7915 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7916 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7917 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7919 (splits and peepholes): Use satisfies_constraint_*.
7920 * config/i386/i386.c (memory_address_length)
7921 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7923 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7925 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7926 scalar operation to be put back into the loop.
7928 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7931 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7932 (extract_cie_info): Handle S flag in augmentation string.
7933 (execute_cfa_program): If context->signal_frame, execute also
7934 fs->pc == context->ra instructions.
7935 (uw_frame_state_for): If context->signal_frame, don't subtract one
7936 from context->ra to find FDE.
7937 (uw_update_context_1): Set context->signal_frame to
7939 (_Unwind_GetIPInfo): New function.
7940 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7941 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7943 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7944 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7945 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7946 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7947 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7948 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7949 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7950 x86_64_fallback_frame_state): Set fs->signal_frame.
7951 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7952 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7953 (frob_update_context): Likewise. Workaround missing S flag in
7954 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7955 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7956 Remove the psw_addr + 1 hack.
7958 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7960 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7961 with aggregates here.
7962 (find_func_aliases): Remove code for &<aggregate> from here.
7964 2006-02-26 Roger Sayle <roger@eyesopen.com>
7966 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7967 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7968 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7971 2006-02-26 Roger Sayle <roger@eyesopen.com>
7974 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7976 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7978 * opts.c (decode_options): Do not handle flag_strength_reduce.
7979 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7980 and OPT_fstrength_reduce.
7981 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7982 flag_prefetch_loop_arrays for being nonzero.
7983 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7985 (fprefetch-loop-arrays-rtl): Removed.
7986 (flag_prefetch_loop_arrays): Do not specify the value.
7988 * doc/passes.texi: Update documentation of loop optimizer
7990 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7991 -frerun-loop-opt): Remove.
7993 2006-02-26 Richard Guenther <rguenther@suse.de>
7995 PR tree-optimization/26421
7996 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7997 in function calls that are ADDR_EXPRs as using the whole structure.
7999 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8001 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8002 * tree-pass.h (pass_loop_optimize): Remove.
8003 * passes.c (pass_loop_optimize): Never run it.
8004 * toplev.c (backend_init): Don't call init_loop.
8005 * opts.c (flag_loop_optimize_set): Remove.
8006 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8007 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8008 the old RTL loop optimizer when profiling enabled.
8009 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8010 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8011 pre-headers for the sake of the old RTL loop optimizer.
8012 * Makefile.in: Remove all references to loop.o.
8014 * doc/invoke.texi: Remove all references to -floop-optimize
8015 and -frerun-loop-opt.
8017 2006-02-26 Zack Weinberg <zackw@panix.com>
8019 * doc/md.texi (Machine Constraints): Refer to all files with paths
8020 relative to gcc directory (i.e. config/CPU/file). Add missing
8021 @table @code ... @end table to M32C subsection.
8023 2006-02-26 Roger Sayle <roger@eyesopen.com>
8025 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8027 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8029 2006-02-26 Roger Sayle <roger@eyesopen.com>
8030 James A. Morrison <phython@gcc.gnu.org>
8033 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8034 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8035 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8036 signedness of the shift operation.
8038 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8040 PR tree-optimization/26359
8041 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8043 2006-02-25 Roger Sayle <roger@eyesopen.com>
8045 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8046 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8047 as X == 0, and some symmetry related transformations.
8048 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8050 2006-02-25 Roger Sayle <roger@eyesopen.com>
8053 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8054 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8055 symmetry related transformations. Fold (X^C1) == C2 as
8058 2006-02-25 Juergen Weigert <jw@suse.de>
8059 Richard Guenther <rguenther@suse.de>
8061 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8063 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8065 * combine.c (gen_lowpart_or_truncate): Call
8066 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8068 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8070 * doc/invoke.texi: Move -fopenmp description to "Options for
8072 Remove reference to -lgomp.
8074 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8076 * doc/install.texi: Require GNU tar version 1.14.
8078 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8080 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8081 * doc/invoke.texi (C++ Dialect Options): Document
8082 -fno-use-cxa-get-exception-ptr.
8083 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8084 * configure: Regenerate.
8085 * c.opt (fuse-cxa-get-exception-ptr): New.
8086 * c-opts.c (c_common_handle_option): Handle
8087 OPT_fuse_cxa_get_exception_ptr.
8088 * c-common.c (flag_use_cxa_atexit): Update documentation.
8089 (flag_use_cxa_get_exception_ptr): New.
8090 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8091 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8093 (C_COMMON_OVERRIDE_OPTIONS): New.
8095 2006-02-24 Roger Sayle <roger@eyesopen.com>
8098 * combine.c (try_combine): Explicitly check whether GET_CODE is
8099 a SET or a CLOBBER, instead on checking that it isn't a USE.
8101 2006-02-24 Roger Sayle <roger@eyesopen.com>
8103 * fold-const.c (fold_comparison): New subroutine of fold_binary
8104 containing transformations common to both the equality and
8105 ordering relational operators, factored out of fold_binary.
8106 (fold_binary): Separate out the equality operators (EQ_EXPR
8107 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8108 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8109 transformations common to both.
8110 (fold_div_compare): Fix latent bugs in the previously unreachable
8111 LT_EXPR and GE_EXPR cases.
8113 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8115 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8116 decl libname for clog to __clog on AIX.
8118 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8120 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8123 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8124 output traceback table for thunks. Localise rs6000_stack_info call.
8126 2006-02-23 Roger Sayle <roger@eyesopen.com>
8127 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8129 * gthr-posix.h (__gthrw): Fix typo in comment.
8131 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8133 * doc/cpp.texi (Character sets): Document that we do support
8134 input files to be in any character set.
8136 2006-02-23 Jeff Law <law@redhat.com>
8138 * tree.h (PHI_ARG_NONZERO): Remove.
8139 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8140 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8141 node to the new node.
8143 PR tree-optimization/26425
8144 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8145 min/max, then assume its varying.
8147 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8149 PR rtl-optimization/26316
8150 * rtlanal.c (enum may_trap_p_flags): New.
8151 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8152 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8153 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8154 (may_trap_after_code_motion_p): New function.
8155 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8156 (find_invariant_insn): Use may_trap_after_code_motion_p.
8157 * rtl.h (may_trap_after_code_motion_p): Declare.
8159 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8161 * emit-rtl.c (immed_double_const): Cleanup.
8163 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8165 Fix PR tree-optimization/26376
8166 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8169 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8172 * gimplify.c (omp_add_variable): Guard variable size decl test with
8173 DECL_SIZE (decl) check.
8175 2006-02-23 Richard Guenther <rguenther@suse.de>
8178 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8179 like aggregate types.
8181 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8183 * configure.ac: Add --with{,out}-long-double-128 configure option.
8184 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8185 * configure: Rebuilt.
8186 * config.in: Rebuilt.
8187 * doc/install.texi (Options specification): Document
8188 --with-long-double-128.
8190 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8191 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8192 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8193 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8195 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8197 * config/s390/s390.c (override_options): Handle
8198 TARGET_DEFAULT_LONG_DOUBLE_128.
8200 * config/alpha/alpha.c (override_options): Handle
8201 TARGET_DEFAULT_LONG_DOUBLE_128.
8203 * config/sparc/sparc.c (sparc_override_options): Handle
8204 TARGET_DEFAULT_LONG_DOUBLE_128.
8206 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8208 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8209 (real-install-headers-tar, real-install-headers-cpio)
8210 (real-install-headers-cp): New targets.
8212 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8214 * tree.h (variable_section): Delete.
8215 * varasm.c (variable_section): Delete.
8217 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8219 * install.texi: Add notes on install.texi2html.
8220 (Building in parallel): Do not use footnotes.
8222 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8225 * doc/install.texi (Configuration): Document --disable-libgomp.
8227 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8229 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8231 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8233 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8234 (vec_extractv2df_0_sse): New.
8236 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8238 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8239 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8240 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8241 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8242 to the result of the expression.
8243 (def_cfa_1): Adjust.
8244 (frame_pointer_cfa_offset): Rename to...
8245 (frame_pointer_fb_offset): ... this. Adjust all uses.
8246 (convert_cfa_to_loc_list): Rename to...
8247 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8248 Pass it on to build_cfa_loc.
8249 (compute_frame_pointer_to_cfa_displacement): Rename to...
8250 (compute_frame_pointer_to_fb_displacement): ... this. New
8251 offset parameter. Use it in computation.
8252 (gen_subprogram_die): Compute cfa_fb_offset with the new
8253 macro, and use it to compute the fb loc list and the
8256 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8258 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8259 replaced with register_operand.
8260 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8261 non-DREG is expensive.
8262 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8263 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8266 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8268 * doc/install.texi2html: Use set -e.
8270 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8272 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8273 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8274 * doc/invoke.texi (-fshared-data): Delete.
8275 * common.opt (fshared-data): Delete.
8276 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8277 (assemble_static_space): Remove #if 0 code.
8278 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8279 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8280 * config/cris/cris.h: Remove FIXME.
8282 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8284 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8287 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8290 * combine.c (simplify_shift_const_1): Disable nested shifts
8291 optimization for vector shifts.
8293 2006-02-20 Roger Sayle <roger@eyesopen.com>
8295 PR tree-optimization/26361
8296 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8297 of unsigned integer types.
8299 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8301 * tree-chrec.c (eq_evolutions_p): New.
8302 * tree-chrec.h (eq_evolutions_p): Declared.
8303 * tree-data-ref.c: Fix formatting.
8304 (datadep_stats, dependence_stats): New.
8306 (print_direction_vector): New.
8307 (dump_data_dependence_relation): Use print_direction_vector.
8308 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8309 (compute_subscript_distance): Static.
8310 (initialize_data_dependence_relation): Static. Get the number
8311 of loops surrounding the references from the callers, and initialize
8312 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8313 base_object_differ_p analyzers.
8314 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8315 compute_overlap_steps_for_affine_1_2,
8316 analyze_subscript_affine_affine): Count the classified dependences.
8317 Print a message when a test failed.
8318 (can_use_analyze_subscript_affine_affine): New.
8319 (analyze_siv_subscript): Compute the data dependences on symbolic
8320 scevs that verify can_use_analyze_subscript_affine_affine.
8321 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8322 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8323 Handle symbolic scevs.
8324 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8326 (subscript_dependence_tester): Moved...
8327 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8328 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8329 DDR_SIZE_VECT instead of getting it in parameter.
8330 (subscript_dependence_tester): ... here. Take as a parameter
8331 loop_nest_depth. Call build_classic_dist_vector and
8332 build_classic_dir_vector.
8333 (compute_affine_dependence): Update subscript_dependence_tester
8334 parameters. Update datadep_stats counters. Call
8335 compute_subscript_distance.
8336 (compute_self_dependence): Save the dist and dir vectors. Call
8337 compute_subscript_distance.
8338 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8339 (compute_all_dependences): Reorder parameters as they were before
8340 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8341 compute_subscript_distance. Update the use of
8342 compute_affine_dependence and initialize_data_dependence_relation.
8343 (find_data_references_in_loop): Handle COMPONENT_REF.
8344 (compute_data_dependences_for_loop): Initialize dependence_stats.
8345 Don't call build_classic_dist_vector and build_classic_dir_vector.
8346 Update the parameters of initialize_data_dependence_relation and
8347 compute_all_dependences. Print the statistics from datadep_stats.
8348 (analyze_all_data_dependences): Static. Not used until the pass for
8349 checking the data dependences is contributed.
8350 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8351 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8352 (initialize_data_dependence_relation, compute_affine_dependence,
8353 analyze_all_data_dependences, compute_subscript_distance): Removed.
8354 (print_direction_vector): New.
8355 * lambda.h (gcd): ... here.
8356 (lambda_vector_gcd): Moved here from gcd_vector.
8357 * lambda-code.c (gcd, gcd_vector): Removed.
8358 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8359 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8361 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8363 * ipa-type-escape.c: Tidy some comments and white space.
8364 * tree-ssa-operands.c: Likewise.
8366 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8369 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8370 (dump_decl_name): Do not walk the decl tree chains.
8371 * tree-pass.h (TDF_CHAIN): Remove.
8373 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8375 * Makefile.in (C): Remove
8377 (.PHONY): Remove C and PROTO
8379 2006-02-20 Roger Sayle <roger@eyesopen.com>
8382 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8383 deprecated CHAR_TYPE tree code.
8385 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8387 * configure.ac (target_list): Add install-info, dvi, html.
8388 * configure: Regenerate.
8390 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8391 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8392 treelang/Make-lang.in: Do not use double-colon rules.
8394 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8396 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8397 (TMT_USED_ALONE): New macro.
8398 * tree-pass.h (PROP_tmt_usage): New property.
8399 (TODO_update_tmt_usage): New todo.
8400 * tree-ssa-alias.c (updating_used_alone): New variable.
8401 (recalculate_used_alone): New function.
8402 (compute_may_aliases): Set updating_used_alone, call
8403 recalculate_used_alone.
8404 * tree-sra.c (pass_sra): Note that this pass destroys
8405 PROP_tmt_usage, and add TODO_update_tmt_usage.
8406 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8407 * tree-flow.h (updating_used_alone): Prototype.
8408 (recalculate_used_alone): Ditto.
8409 * passes.c (execute_todo): Add code to set updating_used_alone,
8410 and call recalculate.
8411 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8412 for clobber if used alone, and add assert to verify used_alone
8415 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8417 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8418 for non tls symbols added.
8419 (legitimize_address): Do nothing for PLUS expressions if one of the
8420 addends is a tls symbol reference.
8422 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8426 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8428 * Makefile.in (BOOTSTRAPPING): New.
8429 (quickstrap): New definition if BOOTSTRAPPING=yes.
8431 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8432 * configure.ac: Substitute all_selected_languages with the languages
8433 that were configured. For all the other variables except
8434 lang_specs_files, include all the languages in the tree.
8435 * configure: Regenerate.
8437 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8438 if there is one. Run the commands to run fixincludes in the same
8441 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8442 * doc/install.texi: Document exact conventions for searching target tools.
8443 Document --with-build-time-tools. Document toplevel bootstrap. Document
8444 something more about building an Ada cross-compiler. Don't list GNU Make
8445 requirements which affect all platforms.
8447 2006-02-19 Roger Sayle <roger@eyesopen.com>
8450 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8451 only equivalent if the have both the same mode and precision.
8453 2006-02-20 Ben Elliston <bje@au.ibm.com>
8455 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8457 2006-02-19 Roger Sayle <roger@eyesopen.com>
8458 Steven Bosscher <stevenb.gcc@gmail.com>
8460 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8461 constant pool references to identify stack mode constants.
8462 * rtlanal.c (constant_pool_constant_p): New predicate to check
8463 whether operand is a floating point constant in the pool.
8464 * rtl.h (constant_pool_constant_p): Prototype here.
8465 * loop.c (scan_loop): Avoid hoisting constants from the constant
8466 pool on STACK_REGS targets.
8467 (load_mems): Likewise.
8468 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8469 loads into x87 registers expensive in terms of register pressure.
8471 2006-02-19 Roger Sayle <roger@eyesopen.com>
8473 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8474 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8476 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8478 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8479 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8481 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8483 * doc/invoke.texi: Document -fipa-pta.
8484 * common.opt: Add ipa-pta option.
8485 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8486 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8487 (do_ds_constraint): Ditto.
8488 (get_constraint_for): Only add to referenced_vars if
8489 referenced_vars exists.
8490 (insert_into_field_list): Rewrite to do this unsorted.
8491 (insert_into_field_list_sorted): Rename old insert_into_field_list
8493 (create_function_info_for): Use insert_into_field_list_sorted.
8494 (create_variable_info_for): Rewrite so it uses unsorted version,
8495 since the field list is sorted.
8496 (intra_create_variable_infos): Only add to referenced_vars if
8497 referenced_vars exists.
8498 (ipa_pta_execute): Init heapvars, and delete when done.
8499 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8501 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8503 * doc/install.texi: Add missing `@samp'.
8505 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8507 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8510 2006-02-18 Mark Wielaard <mark@klomp.org>
8512 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8513 who added new 4.1 features, bug fixes and integration support.
8515 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8518 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8521 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8523 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8524 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8525 (copy_insn_1): Likewise. Don't copy each field individually.
8527 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8529 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8530 * rtl.c (rtx_size): Rename variable to...
8531 (rtx_code_size): ...this.
8532 (rtx_size): New function.
8533 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8534 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8536 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8537 * rtl.h (rtx_code_size): New variable.
8538 (rtx_size): Change from a variable to a function.
8539 (RTX_SIZE): Rename to...
8540 (RTX_CODE_SIZE): ...this.
8543 PR tree-optimization/17106
8544 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8545 (Anchored Addresses): New section.
8546 * doc/invoke.texi (-fsection-anchors): Document.
8547 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8548 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8549 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8550 * hooks.c (hook_bool_mode_rtx_false): New function.
8551 * hooks.h (hook_bool_mode_rtx_false): Declare.
8552 * gengtype.c (create_optional_field): New function.
8553 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8554 SYMBOL_REF_IN_BLOCK_P is true.
8555 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8556 (min_anchor_offset, max_anchor_offset): Likewise.
8557 (use_anchors_for_symbol_p): New hook.
8558 * toplev.c (compile_file): Call output_object_blocks.
8559 (target_supports_section_anchors_p): New function.
8560 (process_options): Check that -fsection-anchors is only used on
8561 targets that support it and when -funit-at-a-time is in effect.
8562 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8563 if the decl doesn't have one.
8564 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8565 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8566 of force_const_mem through use_anchored_address.
8567 (expand_expr_constant): New function.
8568 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8569 calling expand_expr for INDIRECT_REF.
8570 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8571 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8572 * expr.h (use_anchored_address): Declare.
8573 * loop-unroll.c: Don't declare rtx vectors here.
8574 * explow.c: Include output.h.
8575 (validize_mem): Call use_anchored_address.
8576 (use_anchored_address): New function.
8577 * common.opt (-fsection-anchors): New switch.
8578 * varasm.c (object_block_htab, anchor_labelno): New variables.
8579 (hash_section, object_block_entry_eq, object_block_entry_hash)
8580 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8581 (use_blocks_for_decl_p, change_symbol_section): New functions.
8582 (get_variable_section): New function, split out from assemble_variable.
8583 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8584 use_blocks_for_decl_p say so. Use change_symbol_section if the
8585 symbol has already been created.
8586 (assemble_variable_contents): New function, split out from...
8587 (assemble_variable): ...here. Don't output any code for
8588 block symbols; just pass them to place_block_symbol.
8589 Use get_variable_section and assemble_variable_contents.
8590 (get_constant_alignment, get_constant_section, get_constant_size): New
8591 functions, split from output_constant_def_contents.
8592 (build_constant_desc): Create a block symbol if use_object_blocks_p
8593 says so. Or into SYMBOL_REF_FLAGS.
8594 (assemble_constant_contents): New function, split from...
8595 (output_constant_def_contents): ...here. Don't output any code
8596 for block symbols; just pass them to place_section_symbol.
8597 Use get_constant_section and get_constant_alignment.
8598 (force_const_mem): Create a block symbol if use_object_blocks_p and
8599 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8600 (output_constant_pool_1): Add an explicit alignment argument.
8601 Don't switch sections here.
8602 (output_constant_pool): Adjust call to output_constant_pool_1.
8603 Switch sections here instead. Don't output anything for block symbols;
8604 just pass them to place_block_symbol.
8605 (init_varasm_once): Initialize object_block_htab.
8606 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8607 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8608 (place_block_symbol, get_section_anchor, output_object_block)
8609 (output_object_block_htab, output_object_blocks): New functions.
8610 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8611 (TARGET_ASM_OUT): Include it.
8612 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8613 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8614 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8615 (TARGET_INITIALIZER): Include them.
8616 * rtl.c (rtl_check_failed_block_symbol): New function.
8617 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8618 (block_symbol, object_block): New structures.
8619 (rtx_def): Add a block_symbol field to the union.
8620 (BLOCK_SYMBOL_CHECK): New macro.
8621 (rtl_check_failed_block_symbol): Declare.
8622 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8623 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8624 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8625 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8626 * output.h (output_section_symbols): Declare.
8627 (object_block): Name structure.
8628 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8629 (default_use_anchors_for_symbol_p): Declare.
8630 * Makefile.in (RTL_BASE_H): Add vec.h.
8631 (explow.o): Depend on output.h.
8632 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8633 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8634 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8635 (rs6000_use_blocks_for_constant_p): New function.
8637 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8639 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8641 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8644 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8647 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8649 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8653 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8656 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8657 instead of DECL_REGISTER.
8659 2006-02-18 Olivier Hainque <hainque@adacore.com>
8662 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8664 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8667 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8668 * opth-gen.awk: Handle Var and InverseMask together.
8669 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8670 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8671 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8672 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8674 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8675 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8676 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8677 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8678 LINUX_DYNAMIC_LINKER): Define.
8679 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8680 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8682 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8683 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8684 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8685 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8686 (TARGET_C99_FUNCTIONS): Don't define.
8687 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8688 GLIBC_DYNAMIC_LINKER.
8689 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8690 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8691 GLIBC_DYNAMIC_LINKER64): Define.
8692 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8693 LINUX_DYNAMIC_LINKER64.
8694 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8695 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8696 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8697 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8698 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8699 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8700 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8701 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8702 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8703 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8704 and LINUX_DYNAMIC_LINKER32.
8705 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8706 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8707 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8708 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8709 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8711 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8712 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8713 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8714 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8715 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8716 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8717 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8718 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8719 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8720 LINUX_DYNAMIC_LINKER): Define.
8721 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8722 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8723 GLIBC_DYNAMIC_LINKER64): Define.
8724 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8725 LINUX_DYNAMIC_LINKER64.
8726 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8727 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8728 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8729 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8730 LINUX_DYNAMIC_LINKER): Define.
8731 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8732 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8733 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8734 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8735 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8736 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8737 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8738 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8739 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8740 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8741 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8742 * doc/invoke.texi (-muclibc): Remove caveat about supported
8745 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8747 * doc/cpp.texi (__TIMESTAMP__): Document.
8749 2006-02-17 Roger Sayle <roger@eyesopen.com>
8752 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8753 C is one less than the width of X (and related transformations).
8754 * simplify-rtx.c (simplify_unary_operation_1): Transform
8755 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8756 depending on STORE_FLAG_VALUE, were C is one less then the
8759 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8761 Fix PR tree-optimization/26341
8762 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8763 about NAME_MEMORY_TAG's.
8765 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8768 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8769 with hardware float support, and software float support. Add fcpy
8770 alternative to hardware patterns. Add alternatives to copy between
8771 general and floating-point registers to the 32-bit pattern.
8772 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8773 secondary reload to load a QI or HI mode constant into a floating
8775 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8776 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8778 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8781 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8783 (load_macho_picbase_di): Likewise.
8785 2006-02-16 Jeff Law <law@redhat.com>
8787 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8788 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8789 (ssa_name_nonzero_p): Likewise.
8790 (get_value_range): Return NULL if VRP is not running.
8791 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8792 VRP routines do not discover a range.
8793 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8794 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8795 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8796 (tree_expr_nonnegative_p): Similarly.
8797 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8798 (restore_nonzero_vars_to_original_value): Remove.
8799 (unsafe_associative_fp_binop): Remove.
8800 (tree_ssa_dominator_optimize): Remove initialization and
8801 finalization of nonzero_vars and nonzero_vars_stack.
8802 (dom_opt_initialize_block): No longer push marker on
8804 (dom_opt_finalize_block): No longer call
8805 restore_nonzero_vars_to_original_value.
8806 (record_equivalences_from_phis): No longer look for
8807 nonzero PHI arguments.
8808 (cprop_into_successor_phis): No longer propagate nonzero
8809 property into PHI arguments. Lose unused argument. Caller
8811 (record_equivalences_from_stmt): No longer record nonzero
8812 values for SSA_NAMEs.
8813 (lookup_avail_expr): No longer use nonzero_vars.
8815 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8816 for sizetype when sizetype is unsigned.
8818 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8820 PR rtl-optimization/25603
8821 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8822 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8823 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8824 with new meaning of SETS.
8826 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8831 * config/linux.opt: New file.
8832 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8833 LINUX_DYNAMIC_LINKER): Define.
8834 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8835 * config.gcc (*-*-linux*): Define extra_options.
8836 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8837 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8838 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8839 GLIBC_DYNAMIC_LINKER.
8840 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8841 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8842 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8843 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8844 * doc/invoke.texi (GNU/Linux Options): New section.
8846 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8848 * config/sparc/sparc.md (setjmp): Rewrite.
8849 (setjmp_32): Delete.
8850 (setjmp_64): Likewise.
8852 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8854 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8857 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8859 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8862 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8864 PR rtl-optimization/26296
8865 * Makefile.in (loop-invariant.c): Add except.h dependency.
8866 * loop-invariant.c: Include except.h.
8867 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8869 2005-02-16 Paul Brook <paul@codesourcery.com>
8871 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8874 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8876 PR rtl-optimization/25636
8877 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8878 when deciding whether an insn is an initializing insn.
8880 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8882 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8883 (tree_code_size): Ditto.
8884 * tree.h (struct tree_memory_tag): Remove parent_var.
8885 (struct tree_struct_field_tag): New.
8888 (union tree_node): Add sft member.
8889 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8891 (create_sft): Add size and offset argument, set SFT_OFFSET and
8893 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8894 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8895 * tree-flow-inline.h (get_subvar_at): Update for
8896 SFT_OFFSET/SFT_SIZE.
8897 (var_can_have_subvars): Ditto.
8898 (overlap_subvar): Ditto.
8899 * print-tree.c (print_node): Print out interesting things for
8901 * tree-flow.h (struct subvar): Remove offset and size members.
8902 * tree-ssa-operands.c (get_expr_operands): Update for
8903 get_indirect_ref_operands changes.
8904 (get_indirect_ref_operands): Call add_virtual_operand instead of
8905 add_stmt_operand. Only recurse on base var if requested.
8906 (access_can_touch_variable): New function.
8907 (add_stmt_operand): Split virtual operand handling into ...
8908 (add_virtual_operand): Here. Add offset, size, and for_clobber
8909 arguments. Prune alias sets.
8910 (add_call_clobber_ops): Call add_virtual_operand.
8912 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8915 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8917 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8918 than TREE_CODE as index into omp_clause_num_ops array.
8920 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8922 PR rtl-optimization/26184
8923 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8925 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8926 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8927 must_precede, must_follow and tobe_scheduled.
8930 * opts.c (common_handle_option): Free new_option pointer.
8931 * df-core.c (df_analyze): Free postorder pointer.
8933 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8935 * Makefile.in: Fix the examples about the use of stamps
8937 2006-02-15 Michael Matz <matz@suse.de>
8941 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8942 influenced by maximum_field_alignment or DECL_PACKED.
8943 (update_alignment_for_field): Ditto.
8944 (place_field): Ditto.
8945 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8948 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8950 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8951 (debug_flow_info): Pass it.
8952 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8953 * bb-reorder.c (reorder_basic_blocks): Likewise.
8954 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8955 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8956 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8957 * gcse.c (gcse_main, bypass_jumps): Likewise.
8958 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8959 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8960 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8961 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8962 * rtl.h (dump_flow_info): Adjust prototype.
8963 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8964 * var-tracking.c (variable_tracking_main): Likewise.
8965 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8966 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8969 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8971 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8974 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8976 PR tree-optimization/26209
8977 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8978 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8980 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8982 2006-02-14 Roger Sayle <roger@eyesopen.com>
8985 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8986 (X,Y) and the corresponding symmetry related transformations.
8987 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8988 (X,Y) and its symmetry related transformations.
8990 2006-02-14 Roger Sayle <roger@eyesopen.com>
8992 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8995 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8997 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8999 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9002 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9003 support COMDAT group.
9004 * configure: Regenerate.
9006 2006-02-14 Roger Sayle <roger@eyesopen.com>
9011 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9013 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9015 Fix PR tree-optimization/26260
9017 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9019 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9020 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9021 * tree-ssa-structalias.c (create_variable_info_for): Use
9022 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9024 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9026 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9028 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9029 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9030 of the ending condition.
9031 * tree-ssa-loop-manip.c: Include params.h.
9032 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9033 tree_unroll_loop): New functions.
9034 * tree-pass.h (pass_loop_prefetch): Declare.
9035 * loop.c (rest_of_handle_loop_optimize): Test for
9036 -fprefetch-loop-arrays-rtl.
9037 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9038 * timevar.def (TV_TREE_PREFETCH): New timevar.
9039 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9040 pass_loop_prefetch): New.
9041 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9042 (cleanup_tree_cfg_loop): Call scev_reset.
9043 * common.opt (fprefetch-loop-arrays-rtl): Add.
9044 * tree-ssa-loop-prefetch.c: New file.
9045 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9046 (new_temp_expr_table): Initialize expr_vars.
9047 (free_temp_expr_table): Cleanup expr_vars.
9048 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9049 expressions from being merged into one.
9050 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9051 (struct tree_niter_desc): Add control, bound and cmp fields.
9052 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9054 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9055 (tree-cfgcleanup.o): Add SCEV_H dependency.
9056 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9057 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9059 2006-02-14 Richard Guenther <rguenther@suse.de>
9061 PR tree-optimization/26258
9062 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9063 in PHI argument processing.
9065 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9067 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9068 new expression in the requested machine mode.
9070 2006-02-13 Roger Sayle <roger@eyesopen.com>
9072 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9073 directly, instead let do_compare_rtx_and_jump handle this for us.
9074 * expr.c (expand_expr_real_1): Likewise.
9075 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9076 before do_jump_by_parts_greater.
9077 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9078 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9080 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9082 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9084 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9086 PR rtl-optimization/26235
9087 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9088 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9091 2006-02-13 Jeff Law <law@redhat.com>
9093 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9096 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9099 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9100 twice if decl is a builtin. When trying again, call get_callee_fndecl
9101 first to verify it is still a builtin.
9103 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9105 * dwarf2out.c (base_type_die): Don't add AT_name here.
9106 (subrange_type_die): Don't add AT_name here.
9107 (modified_type_die): Rearrange code flow. Do add AT_name here.
9109 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9111 PR rtl-optimization/26247
9112 PR rtl-optimization/26248
9113 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9115 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9117 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9118 * config/fixtfdi.c: Likewise.
9119 * config/fixunstfdi.c: Likewise.
9120 * config/floatditf.c: Likewise.
9122 2006-02-13 Roger Sayle <roger@eyesopen.com>
9125 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9126 into (X,C2) if C1 is a subset of the bits of C2. Transform
9127 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9129 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9131 2006-02-13 Josh Conner <jconner@apple.com>
9134 * varasm.c (function_section): Check for section name before
9135 calling select_section on targets that define
9136 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9137 unlikely_text_section instead of hot_function_section if
9138 first_function_block_is_cold.
9140 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9143 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9145 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9147 PR rtl-optimization/26222
9148 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9149 after tree->rtl expansion.
9150 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9151 before passing it to emit_move_insn.
9153 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9155 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9157 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9158 Clarify documentation.
9159 * c-common.h (warn_write_strings): Remove.
9160 * c-common.c (warn_write_strings): Likewise.
9161 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9164 2006-02-12 Roger Sayle <roger@eyesopen.com>
9167 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9168 (do_jump_parts_zero_rtx): New function renamed from
9169 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9170 (do_jump_parts_equality_rtx): New function split out from
9171 do_jump_parts_equality. Old implementation renamed as above.
9172 Call do_jump_parts_zero_rtx if either operand is zero.
9173 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9174 do all of the heavy lifting.
9175 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9176 calling either do_jump_by_parts_greater_rtx or
9177 do_jump_by_parts_equality_rtx.
9178 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9179 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9180 moved to do_compare_rtx_and_jump, call it directly.
9181 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9182 mode argument. Call do_compare_rtx_and_jump.
9183 (emit_case_nodes): Update calls to do_jump_if_equal.
9185 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9187 PR rtl-optimization/26225
9188 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9190 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9192 PR rtl-optimization/26232
9193 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9195 2006-02-11 Jason Merrill <jason@redhat.com>
9198 * tree-inline.c (declare_return_variable): Just don't use the
9199 modify target if it's a gimple complex reg and the return slot
9202 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9204 * doc/contrib.texi: Update my entry.
9206 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9208 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9210 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9212 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9215 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9217 * doc/invoke.texi (-floop-optimize2): Removed.
9218 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9219 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9220 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9221 * common.opt (floop-optimize2): Removed.
9222 (fmove-loop-invariants): Enabled by default.
9224 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9226 * tree-if-conv.c (combine_blocks): Free the result of
9227 get_loop_exit_edges.
9229 2006-02-10 Jeff Law <law@redhat.com>
9231 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9233 PR tree-optimization/26213
9234 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9235 loop trying to follow SSA_NAME_VALUE chains.
9237 2006-02-10 Richard Guenther <rguenther@suse.de>
9239 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9240 deal with structures that end in implicitly variable sized arrays.
9242 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9244 PR rtl-optimization/24762
9245 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9248 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9250 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9251 (struct ivopts_data): Add regs_used field.
9252 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9253 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9254 instead of loop_data->regs_used;
9255 (free_loop_data): Do not free aux fields for loops.
9256 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9257 and tree_ssa_iv_optimize_finalize.
9259 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9261 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9263 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9266 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9267 computing the effective result type.
9269 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9272 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9273 (tree_overlaps_hard_reg_set): Declare.
9274 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9275 type and signature to match function type expected by walk_tree.
9276 (tree_overlaps_hard_reg_set): New function.
9277 (decl_conflicts_with_clobbers_p): Rename to:
9278 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9279 Use tree_overlaps_hard_reg_set. Changed caller.
9280 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9281 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9282 * cris.c (cris_md_asm_clobbers): Likewise.
9284 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9286 * reload1.c (emit_input_reload_insns): Delete code that tries to
9287 inherit using find_equiv_reg.
9289 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9291 * c-common.h (flag_const_strings): Don't declare.
9292 * c-common.c (flag_const_strings): Remove.
9293 * c.opt (fconst_strings): Remove.
9294 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9295 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9296 (c_common_init_options): Don't set flag_const_strings.
9297 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9299 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9301 * arm.md (tlobits_cbranch): New pattern.
9302 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9303 testing a single bit.
9305 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9308 * tree-ssa-pre.c (create_component_ref_by_pieces):
9309 Handle RETURN_DECL like VAR_DECL.
9311 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9314 * fold-const.c (fold_indirect_ref_1): Fold
9315 "*(foo *)&complexfoo" to "__real__ complexfoo"
9316 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9318 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9320 * tree-flow-inline.h (var_can_have_subvars):
9321 Volatile variables should not have subvariables.
9323 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9326 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9327 multiplying unsigned values.
9330 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9332 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9334 2006-02-08 Jason Merrill <jason@redhat.com>
9337 * tree.def: Elaborate on difference from MODIFY_EXPR.
9338 * doc/c-tree.texi (INIT_EXPR): Likewise.
9339 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9340 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9341 (gimplify_target_expr): Likewise.
9342 (gimplify_cond_expr): Remove target handling.
9343 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9344 (gimplify_expr): Clobber it here.
9345 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9346 Do return slot optimization if we have an INIT_EXPR.
9349 * tree-inline.c (declare_return_variable): Also clear
9350 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9353 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9356 * gimplify.c (gimplify_one_sizepos): Fix typo.
9358 2006-02-08 Jeff Law <law@redhat.com>
9360 PR tree-optimization/21417
9361 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9362 across a backedge if the control statement at the end of the
9363 block is data dependent on other statements in the same block.
9364 (record_temporary_equivalences_from_stmts): Remove over-conservative
9365 test for threading across backedges.
9367 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9368 control statement, handle all three special cases in the same
9369 manner as they all have the same desired solution. No longer
9370 special case edge flag updating when the post dominator is
9373 2006-02-08 Roger Sayle <roger@eyesopen.com>
9375 * tree.def (CHAR_TYPE): Remove.
9376 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9377 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9378 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9379 (gen_string_type_die): Delete unreachable function.
9381 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9382 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9383 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9384 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9385 * builtins.c (type_to_class): Likewise.
9386 * fold-const.c (fold_convert, build_range_check,
9387 merge_ranges): Likewise.
9388 * expr.c (count_type_elements): Likewise.
9389 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9390 * stor-layout.c (layout_type): Likewise.
9391 * ipa-type-escape.c (type_to_consider): Likewise.
9392 * gimplify.c (omp_firstprivatize_type_sizes,
9393 gimplify_type_sizes): Likewise.
9394 * explow.c (promote_mode): Likewise.
9395 * tree-sra.c (is_sra_scalar_type): Likewise.
9396 * varasm.c (output_constant): Likewise.
9397 * tree-inline.c (remap_type_1): Likewise.
9398 * convert.c (convert_to_pointer, convert_to_real,
9399 convert_to_integer, convert_to_complex): Likewise.
9401 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9403 * df-scan.c (df_def_record_1): A set destination may
9404 be a parallel regardless of mode.
9406 2006-02-08 Roger Sayle <roger@eyesopen.com>
9409 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9410 * config/mips/_tilib.c: Remove.
9411 * config/fixtfdi.c: New libgcc source file.
9412 * config/fixunstfdi.c: New source file.
9413 * config/floatditf.c: New source file.
9414 * config/floatunditf.c: New souce file.
9415 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9416 files above instead of config/mips/_tilib.c.
9417 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9419 2006-02-08 Jeff Law <law@redhat.com>
9421 PR tree-optimization/26169
9422 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9425 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9427 * df.h (DF_REG_SIZE): Return the length of the initialized
9430 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9432 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9433 __muldf3): Return a correctly signed zero.
9435 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9437 * passes.c (register_one_dump_file): Accept the current properties
9438 instead of pass number. Adjust call to dump_register. Remove
9440 (register_dump_files): Now a wrapper around...
9441 (register_dump_files_1): ... this one. Do not modify the pass
9443 (next_pass_1): Cosmetic fix.
9444 (execute_todo): Keep second parameter only. Use curr_properties
9445 instead of fetching it from the pass structure. Check and set
9447 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9448 instead of fetching it from the pass structure. Fix calls to
9449 execute_todo. Update curr_properties and initialize .vcg RTL dump
9450 after running the pass. Reset last_verified.
9451 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9453 (FIRST_AUTO_NUMBERED_DUMP): New.
9454 (dump_register): Remove "num" parameter, assign it within the
9456 (get_dump_file_name): Modify template for dumps.
9457 * tree-dump.h (dump_register): Adjust prototype.
9458 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9459 (PROP_trees): Add PROP_gimple_lomp.
9460 (TODO_set_props): New.
9461 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9462 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9463 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9465 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9467 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9468 (sparc64-*-linux*): Likewise.
9469 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9470 * config/sparc/t-linux: New file.
9471 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9472 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9473 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9474 -m32 -mlong-double-128.
9476 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9477 * config/alpha/t-linux: New file.
9478 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9480 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9481 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9482 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9483 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9484 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9485 (CPP_ARCH32_SPEC): Remove.
9487 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9489 PR tree-optimization/26145
9490 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9493 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9496 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9497 >= 240000 when generating code for SOM runtime.
9498 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9499 to $$dyncall when generating code for SOM runtime..
9501 2006-02-07 Dirk Mueller <dmueller@suse.com>
9504 * doc/invoke.texi (-Wsequence-point): Update documentation
9505 that -Wsequence-point is implemented for C++ as well.
9507 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9509 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9510 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9511 (LIB_SPEC): Likewise.
9512 * doc/invoke.texi (SPARC options): Document -pthread.
9514 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9516 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9519 2006-02-07 Roger Sayle <roger@eyesopen.com>
9521 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9522 Correct comment describing BOOLEAN_TYPE.
9524 2006-02-07 Dirk Mueller <dmueller@suse.com>
9526 * c.opt: C++ frontend supports -Wdiv-by-zero.
9527 * c-opts.c (c_common_handle_option): Remove dead case.
9529 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9531 * configure.ac (TLS assembler check): Do not enable TLS by
9532 default on SPARC/Solaris before version 10.
9533 * configure: Regenerate.
9535 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9537 * doc/invoke.texi (xl-compat): Document conversion and support
9540 2006-02-07 Jeff Law <law@redhat.com>
9542 * tree-vrp.c (find_conditional_asserts): Update comments.
9543 (simplify_stmt_for_jump_threading): New.
9544 (identify_jump_threads, finalize_jump_threads): New.
9545 (vrp_finalize): Call identify_jump_threads.
9546 (execute_vrp): Call finalize_jump_threads.
9547 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9548 (vrp_element, vrp_data, vrp_element_p): Remove.
9549 (vrp_hash_elt, vrp_variables_stack): Remove.
9550 (vrp_hash, vrp_eq, record_range): Remove.
9551 (simplify_cond_and_lookup_avail_expr): Remove.
9552 (extract_range_from_cond): Remove.
9553 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9554 (simplify_stmt_for_jump_threading): New.
9555 (dom_thread_across_edge): New wrapper.
9556 (tree_ssa_dominator_optimize): No longer initialize or
9557 finalize any of the VRP datastructures. Remove iteration
9558 step and simplify as a result of removal of iteration step.
9559 (pass_dominator): Perform a cfg cleanup after DOM.
9560 (dom_opt_finalize_block): Use the new common routines
9561 for threading jumps. Simplify stack management slightly.
9562 No longer need to unwind VRP state.
9563 (record_equivalences_from_incoming_edge): No longer record
9565 (eliminate_redundant_computations): No longer call
9566 simplify_cond_and_lookup_avail_expr.
9567 * tree-flow.h (potentially_threadable_block): Prototype.
9568 (thread_across_edge): Likewise.
9569 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9570 (tree-ssa-threadedge.o): Add dependencies.
9571 * tree-ssa-threadedge.c: New file.
9572 * passes.c (init_optimization_passes): Merge PHIs before
9573 calling VRP. Run VRP again late in the SSA optimization pipeline.
9575 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9577 * df-core.c (df_set_blocks): Do not dereference function pointers.
9578 (df_finish1): Likewise.
9579 (df_hybrid_search_forward): Likewise.
9580 (df_hybrid_search_backward): Likewise.
9581 (df_iterative_dataflow): Likewise.
9582 (df_analyze_problem): Likewise.
9583 (df_compact_blocks): Likewise.
9584 (df_dump): Likewise.
9585 * df-scan.c (df_rescan_blocks): Likewise.
9586 (df_record_entry_block_defs): Likewise.
9588 * genconditions.c (write_conditions): Guard the definition of
9589 'insn_conditions' with the check on GCC version.
9590 (write_writer): Guard the traversal 'insn_conditions' with
9591 the check on GCC version.
9593 2006-02-07 Richard Guenther <rguenther@suse.de>
9597 2006-01-30 Richard Guenther <rguenther@suse.de>
9599 * gimplify.c (gimplify_target_expr): Handle easy cases
9600 without creating a temporary.
9602 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9604 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9605 use of float in probability computations. Use edge probabilities
9606 in place of statically computed probabilities.
9607 (min_spec_prob): New static variable.
9608 (schedule_insns): Initialize it.
9609 (GET_SRC_PROB): Removed.
9610 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9612 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9615 * config/ia64/unwind-ia64.c: Revert last change.
9616 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9617 (INCOMING_FRAME_SP_OFFSET): Define.
9619 2006-02-06 Roger Sayle <roger@eyesopen.com>
9621 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9623 2006-02-07 Ben Elliston <bje@au.ibm.com>
9625 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9626 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9627 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9628 (ix86_return_in_memory): Handle TDmode.
9629 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9630 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9632 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9634 * reorg.c (dbr_schedule): Use dump_file instead of file.
9636 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9639 * config/ia64/predicates.md (extr_len_operand): New predicate.
9640 * config/ia64/ia64.md (extv): Tighten constraints.
9642 (*tbit_and_2): Ditto.
9643 (*tbit_and_3): Ditto.
9644 (*tbit_or_2): Ditto.
9645 (*tbit_or_3): Ditto.
9649 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9652 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9654 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9656 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9657 loop_optimizer_init and loop_optimizer_finalize
9658 * tree-ssa-sink.c (execute_sink_code): Ditto.
9659 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9660 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9661 tree_ssa_loop_done): Ditto.
9662 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9663 * sched-ebb.c: Include output.h.
9664 (schedule_ebbs): Do not use dump argument.
9665 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9666 * loop.c (loop_dump_stream): Removed.
9667 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9669 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9670 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9671 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9672 loop_iterations, strength_reduce, record_biv, record_giv,
9673 final_giv_value, check_final_value, check_ext_dependent_givs,
9674 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9675 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9676 dump_file instead of loop_dump_stream.
9677 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9679 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9681 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9682 * haifa-sched.c: Include output.h
9683 (schedule_insns, sched_init): Do not use dump argument.
9684 * mode-switching.c (optimize_mode_switching): Ditto.
9685 * modulo-sched.c (stats_file): Removed.
9686 (print_node_sched_params): Do not call argument dump_file.
9687 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9688 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9690 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9692 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9693 rtl_loop_init, rtl_loop_done): Ditto.
9694 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9695 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9697 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9698 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9699 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9700 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9701 * emit-rtl.c (renumber_insns): Ditto.
9702 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9703 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9704 * regclass.c (regclass): Ditto.
9705 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9706 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9707 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9708 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9710 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9711 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9713 * gcse.c (gcse_file, debug_stderr): Removed.
9714 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9715 rest_of_handle_gcse): Do not use dump argument.
9716 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9717 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9718 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9719 compute_code_hoist_vbeinout, compute_code_hoist_data,
9720 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9721 compute_store_table, build_store_vectors, insert_insn_start_bb,
9722 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9723 store_motion): Use dump_file instead of gcse_file.
9724 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9725 * profile.c (profile_dump_file): Removed.
9726 (branch_prob): Use dump_file instead of profile_dump_file.
9727 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9729 * tree-ssa-copy.c (dump_copy_of): Ditto.
9730 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9731 dump file to life_analysis.
9732 * bt-load.c (branch_target_load_optimize): Ditto.
9733 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9735 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9736 regclass, dbr_schedule): Declaration changed.
9737 * sched-int.h (sched_init): Declaration changed.
9738 * tree-profile.c (tree_profile_dump_file): Removed.
9739 (tree_profile_hooks): Removed profile_dump_file hook.
9740 * rtl-profile (rtl_profile_dump_file): Removed.
9741 (rtl_profile_hooks): emoved profile_dump_file hook.
9742 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9744 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9745 * tree-cfg.c (build_tree_cfg): Ditto.
9746 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9747 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9748 Declaration changed.
9749 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9750 life_analysis and schedule_insns.
9751 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9753 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9755 * config/mips/mips.c (mips_reorg): Ditto.
9756 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9759 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9761 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9762 (s390_mangle_fundamental_type): New.
9763 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9766 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9767 (alpha_mangle_fundamental_type): New.
9768 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9771 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9773 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9775 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9776 (sparc_mangle_fundamental_type): New.
9778 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9780 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9781 (s390x-*-linux*): Likewise.
9782 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9783 * config/s390/t-linux: New file.
9785 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9787 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9788 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9790 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9792 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9793 (ANTIC_SAFE_LOADS): New macro.
9794 (find_or_generate_expression): Add prototype.
9795 (set_contains_value): Allow null set for sake of not always having
9796 to allocate ANTIC_SAFE_LOADS.
9797 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9798 Allow COMPONENT_REF too.
9799 (valid_in_set): Allow COMPONENT_REF.
9800 Check ANTIC_SAFE_LOADS too.
9801 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9802 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9804 (can_PRE_operation): Add COMPONENT_REF.
9805 (create_component_ref_by_pieces): New function.
9806 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9807 (insert_aux): Move AGGREGATE_TYPE_P check here.
9808 (compute_avail): Set bb local stmt uids.
9809 (pass_pre): Use TODO_update_ssa_only_virtuals.
9811 2006-02-06 Ben Elliston <bje@au.ibm.com>
9813 * configure.ac: Unconditionally disable decimal float by default.
9814 * configure: Regenerate.
9816 2006-02-06 Ben Elliston <bje@au.ibm.com>
9818 * read-rtl.c (read_name): Terminate reading on EOF.
9820 2006-02-06 Ben Elliston <bje@au.ibm.com>
9822 * dfp.c (decimal_real_arithmetic): Change second argument type
9823 from int to enum tree_code. Do not always return true, but now
9824 return result of any call to decimal_do helper functions.
9825 * dfp.h (decimal_real_arithmetic): Update prototype.
9827 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9829 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9831 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9834 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9837 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9839 * tree-vrp.c (cfg_loops): Removed.
9840 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9841 Use current_loops instead of cfg_loops. Pass flags to
9842 loop_optimizer_init.
9843 * cfgloopmanip.c (fix_loop_structure): Update only available
9845 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9846 loop_optimizer_init.
9847 * modulo-sched.c (build_loops_structure): Removed.
9848 (sms_schedule): Use loop_optimizer_init.
9849 * loop-init.c (loop_optimizer_init): Use flags to determine
9850 which properties of loops to prepare.
9851 (rtl_loop_init): Pass flags to loop_optimizer_init.
9852 * tree-ssa-sink.c (execute_sink_code): Ditto.
9853 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9854 * tree-ssa-pre.c (init_pre): Ditto.
9855 * cfgloop.h (LOOPS_NORMAL): New.
9856 (loop_optimizer_init): Declaration changed.
9858 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9860 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9861 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9863 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9865 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9867 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9868 * pa/t-pa64: Delete quadlib.c rule.
9869 * pa/x-ada: Revert last change.
9870 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9872 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9874 PR rtl-optimization/26087
9875 * rtlanal.c (canonicalize_condition): Do not cross basic block
9878 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9881 * config/ia64/ia64.c: Include debug.h.
9882 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9883 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9884 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9885 (process_epilogue, process_set, process_for_unwind_directive):
9886 Output unwind info only if requested. Add CFA info if requested.
9887 Add new arguments as needed. Adjust callers.
9888 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9890 (DWARF2_FRAME_INFO): Define to zero.
9891 * config/ia64/unwind-ia64.c: Remove code that compensated for
9892 the CFA offset error fixed above.
9893 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9894 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9895 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9896 -funwind-tables and -fexceptions to enable frame info.
9897 (dwarf2out_frame_init): Define initial CFA even if
9898 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9899 DWARF2_UNWIND_INFO is nonzero, not just defined.
9900 (dwarf2out_frame_finish): Output non-EH call frame info only
9901 if DWARF2_FRAME_INFO is nonzero.
9902 (convert_cfa_to_loc_list,
9903 compute_frame_pointer_to_cfa_displacement): Define even if
9904 unwind info is not supported.
9905 (gen_subprogram_die): Use the above unconditionally. Remove
9906 legacy alternate code.
9907 * toplev.c (compile_file): Compile in call to
9908 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9909 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9911 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9912 Jakub Jelinek <jakub@redhat.com>
9914 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9915 IBM extended float format long double as "g" on powerpc*-linux.
9917 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9920 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9921 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9923 2006-02-03 Jason Merrill <jason@redhat.com>
9926 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9929 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9930 on the return slot if it's an NRV.
9932 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9934 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9935 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9936 rewrite_use): Do not handle USE_OUTER.
9937 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9938 add_iv_outer_candidates, may_replace_final_value,
9939 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9940 (find_interesting_uses_op): Functionality of
9941 find_interesting_uses_outer_or_nonlin moved here.
9942 (find_interesting_uses_outside): Use find_interesting_uses_op.
9944 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9947 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9949 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9950 Ulrich Weigand <uweigand@de.ibm.com>
9953 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9954 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9955 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9956 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9958 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9959 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9960 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9961 Define secondary reloads for TFmode moves.
9962 (constant_modes): Add TFmode.
9963 (NR_C_MODES): Set to 8.
9964 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9966 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9967 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9968 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9969 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9970 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9971 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9972 (FPR mode macro): Add TFmode.
9973 (DSF mode macro): New.
9974 (<de>, <dee> mode attributes): Removed.
9975 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9976 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9977 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9978 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9979 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9980 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9981 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9982 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9983 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9984 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9985 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9986 "*negabs<mode>2", "sqrt<mode>2"):
9987 Changed <de> to <xde>. R constraint replaced by <Rf>.
9988 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9990 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9991 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9992 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9994 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9995 "extenddftf2", "extendsftf2"): New expanders.
9996 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9997 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9998 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9999 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10001 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10002 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10003 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10004 __floatditf): Add a GCC_4.1.0 symbol version tag.
10005 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10008 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10011 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10012 Use targetm.binds_local_p instead of TREE_PUBLIC.
10014 2006-02-02 Roger Sayle <roger@eyesopen.com>
10016 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10017 on INTEGER_TYPEs to indicate that it denotes a character type.
10018 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10019 signed_char_type_node, unsigned_char_type_node and char_type_node.
10020 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10021 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10022 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10024 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10025 Daniel Berlin <dberlin@dberlin.org>
10027 * tree-tailcall.c (arg_needs_copy_p): New function.
10028 (eliminate_tail_call): Use arg_needs_copy_p.
10029 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10030 (add_virtual_phis): New function.
10032 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10034 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10035 #ignore instead of #scratch for %g7 .register directive.
10037 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10039 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10042 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10044 * flow.c (calculate_global_regs_live): Assert that there aren't any
10047 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10049 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10050 what its name says.
10051 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10052 bsi_after_labels iterator.
10053 * tree-if-conv.c (find_phi_replacement_condition,
10054 replace_phi_with_cond_modify_expr): Likewise.
10055 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10056 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10058 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10060 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10062 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10065 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10066 array after growing it.
10068 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10070 PR middle-end/24901
10071 * fold-const.c (fold_checksum_tree): Change type of buf.
10073 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10075 * reload.c (push_secondary_reload): Initialize t_icode.
10077 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10079 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10080 -msoft-float -mlong-double-128 only issue a warning, but don't
10081 swich to DFmode long double.
10083 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10085 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10086 has a constant equivalent, iterate over equivalents for arg0,
10087 calling simplify_relational_operation and if there's a result
10088 cheaper than X, apply fold_rtx and return the result.
10090 2006-02-01 Jan Hubicka <jh@suse.cz>
10092 * opts.c (no_unit_at_a_time_default): New global variable.
10093 (decode_options): Use it.
10094 * opts.h (no_unit_at_a_time_default): Declare.
10096 2006-02-01 Paul Brook <paul@codesourcery.com>
10098 * function.c (assign_parm_setup_reg): Use function argument promotion
10100 * expr.c (expand_expr_real_1): Use function argument promotion rules
10103 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10105 * gcc.c (process_command): Change j to 'unsigned int'.
10107 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10109 PR middle-end/26001
10110 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10111 Use the corrected index for the character
10112 out of the string constant.
10114 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10116 * mode-switching.c (optimize_mode_switching): Fix size
10117 allocated for bb_info[n_entities].
10119 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10121 * gcc.c (main): Correct type that is allocated for
10122 explicit_link_files.
10124 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10126 * config/s390/s390.c (init_alignment_context): Set
10127 ALIAS_SET_MEMORY_BARRIER on the MEM.
10128 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10130 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10132 PR middle-end/25933
10133 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10135 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10138 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10140 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10141 * regrename.c: Ditto.
10142 * tree-ssa-loop-im.c: Ditto.
10143 * tree-dump.c: Ditto.
10144 * tree-complex.c: Ditto.
10145 * genrecog.c: Ditto.
10146 * tree-ssa-threadupdate.c: Ditto.
10148 * java/class.c: Ditto.
10149 * java/jcf-parse.c: Ditto.
10150 * java/resource.c: Ditto.
10151 * java/except.c: Ditto.
10152 * java/jvspec.c: Ditto.
10153 * java/jcf-write.c: Ditto.
10154 * java/jcf-path.c: Ditto.
10155 * java/gjavah.c: Ditto.
10156 * java/zextract.c: Ditto.
10157 * java/jcf-io.c: Ditto.
10158 * java/jcf.h: Ditto.
10159 * java/buffer.c: Ditto.
10160 * java/lang.c: Ditto.
10161 * java/parse-scan.y: Ditto.
10162 * java/lex.c: Ditto.
10163 * java/lex.h: Ditto.
10164 * cfgloopmanip.c: Ditto.
10165 * postreload-gcse.c: Ditto.
10166 * tree-ssa-loop-manip.c: Ditto.
10167 * postreload.c: Ditto.
10168 * tree-ssa-loop-ch.c: Ditto.
10171 * cppspec.c: Ditto.
10172 * diagnostic.c: Ditto.
10174 * genoutput.c: Ditto.
10176 * cfghooks.c: Ditto.
10177 * cfgloopanal.c: Ditto.
10178 * objc/objc-act.c: Ditto.
10180 * genextract.c: Ditto.
10181 * genautomata.c: Ditto.
10182 * pretty-print.c: Ditto.
10183 * genemit.c: Ditto.
10184 * cgraphunit.c: Ditto.
10186 * df-scan.c: Ditto.
10187 * haifa-sched.c: Ditto.
10188 * dominance.c: Ditto.
10190 * tree-ssa-loop-ivopts.c: Ditto.
10191 * df-core.c: Ditto.
10192 * mode-switching.c: Ditto.
10193 * modulo-sched.c: Ditto.
10195 * ipa-pure-const.c: Ditto.
10197 * fix-header.c: Ditto.
10199 * tree-stdarg.c: Ditto.
10200 * ipa-utils.c: Ditto.
10201 * loop-init.c: Ditto.
10202 * ipa-inline.c: Ditto.
10203 * cfganal.c: Ditto.
10205 * alloc-pool.c: Ditto.
10206 * dwarf2out.c: Ditto.
10208 * genattrtab.c: Ditto.
10209 * tree-ssa-loop-ivcanon.c: Ditto.
10210 * predict.c: Ditto.
10211 * timevar.c: Ditto.
10213 * fortran/gfortranspec.c: Ditto.
10214 * regmove.c: Ditto.
10215 * local-alloc.c: Ditto.
10216 * langhooks.c: Ditto.
10217 * function.c: Ditto.
10218 * tree-vectorizer.c: Ditto.
10220 * ipa-type-escape.c: Ditto.
10222 * tree-if-conv.c: Ditto.
10223 * profile.c: Ditto.
10225 * tree-data-ref.c: Ditto.
10226 * loop-unroll.c: Ditto.
10227 * treelang/treetree.c: Ditto.
10229 * bt-load.c: Ditto.
10230 * ggc-common.c: Ditto.
10232 * coverage.c: Ditto.
10234 * tree-cfgcleanup.c: Ditto.
10235 * tree-ssa-pre.c: Ditto.
10236 * cfgcleanup.c: Ditto.
10237 * loop-invariant.c: Ditto.
10238 * loop-iv.c: Ditto.
10239 * ipa-prop.c: Ditto.
10240 * print-tree.c: Ditto.
10241 * conflict.c: Ditto.
10242 * ggc-page.c: Ditto.
10243 * sched-deps.c: Ditto.
10244 * regclass.c: Ditto.
10245 * tree-object-size.c: Ditto.
10246 * combine.c: Ditto.
10247 * bb-reorder.c: Ditto.
10248 * resource.c: Ditto.
10249 * var-tracking.c: Ditto.
10250 * cfgloop.c: Ditto.
10251 * df-problems.c: Ditto.
10252 * reg-stack.c: Ditto.
10254 * gccspec.c: Ditto.
10255 * sched-rgn.c: Ditto.
10256 * tree-ssa-structalias.c: Ditto.
10257 * tree-ssa-reassoc.c: Ditto.
10258 * config/darwin-c.c: Ditto.
10259 * config/darwin.c: Ditto.
10260 * config/arm/arm.c: Ditto.
10262 * collect2.c: Ditto.
10263 * reload1.c: Ditto.
10265 2006-01-31 Nicolas Pitre <nico@cam.org>
10267 * arm.md (smaxsi3): Make aware of smax_m1.
10270 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10272 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10274 2006-01-31 Richard Guenther <rguenther@suse.de>
10276 * doc/invoke.texi (-msselibm): Document.
10277 * target.h (expand_library_builtin): New target hook.
10278 * builtins.c (expand_builtin): Use expand_library_builtin.
10279 (default_expand_library_builtin): New function.
10280 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10281 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10282 (link_gcc_math_spec): Declare.
10283 (static_specs): Add link_gcc_math_spec.
10284 * expr.h (default_expand_library_builtin): Declare.
10285 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10286 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10287 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10288 * config/i386/i386.opt (msselibm): New target option.
10289 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10290 (ix86_init_sse_abi_builtins): New function.
10291 (ix86_expand_library_builtin): Likewise.
10292 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10293 (override_options): Handle error conditions wrt -msselibm.
10294 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10295 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10296 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10299 2006-01-31 Richard Guenther <rguenther@suse.de>
10300 Paolo Bonzini <bonzini@gnu.org>
10302 * doc/install.texi (--disable-libgcc-math): Document.
10304 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10306 * expr.h (expand_normal): new inline function.
10307 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10308 * dojump.c: use it.
10309 * dwarf2out.c: use it.
10312 * expmed.c: use it.
10313 * except.c: use it.
10314 * config/sparc/sparc.c: use it.
10315 * config/i386/i386.c: use it.
10316 * config/rs6000/rs6000.c: use it.
10317 * config/arm/arm.c: use it.
10318 * config/mips/mips.c: use it.
10319 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10321 2006-01-30 Roger Sayle <roger@eyesopen.com>
10323 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10324 argv to the appropriate type.
10326 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10328 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10331 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10334 * config/s390/s390.c (struct machine_function): New flag
10335 decomposed_literal_pool_addresses_ok_p.
10336 (s390_reorg): Set it before final stage of literal pool transforms.
10337 (s390_decompose_address): Only accept displacements of the form
10338 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10340 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10342 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10343 the comparison routine return.
10345 2006-01-30 Michael Matz <matz@suse.de>
10347 * global.c (find_reg): Only evict for global regs.
10348 Take n_refs into account and dump more info.
10350 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10353 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10354 (pragma_trap, pragma_nosave_low_regs): Likewise.
10355 (current_function_anonymous_args): Likewise.
10356 (sh_deferred_function_attributes): New variable.
10357 (sh_deferred_function_attributes_tail): Likewise.
10358 (print_operand): For '@', look up trap_exit attribute.
10359 (calc_live_regs): Look up trapa_handler attribute. For trapa
10360 handlers, save/restore fpscr, but don't do any other
10361 interrupt-specific saves.
10362 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10363 Fix check for partially saved registers to check for SHmedia.
10364 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10365 (sh_output_function_epilogue): Don't clear any of the removed
10367 (sh_insert_attributes): Don't check pragma_interrupt.
10368 Insert deferred attributes. Check that interrupt attribute is
10369 present for other attributes that require its presence.
10370 (sh_attribute_table): Add new attributes trapa_handler and
10372 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10373 Don't check for pragma_interrupt. Don't store argument.
10374 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10375 (sh_deferred_function_attributes): Declare.
10376 (sh_deferred_function_attributes_tail): Likewise.
10377 * sh.md (sp_switch_1): Add operand. Change generator caller.
10378 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10379 (*return_i): Don't use when trap_exit attribute is in effect.
10380 (*return_trapa): New insn pattern.
10381 * sh-c.c: New file.
10382 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10383 setting c_target_objs and cxx_target_objs.
10384 * t-sh: Add rule for sh-c.o.
10386 2006-01-30 Richard Guenther <rguenther@suse.de>
10389 * gimplify.c (gimplify_target_expr): Handle easy cases
10390 without creating a temporary.
10392 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10394 * vec.h (safe_grow): Remove duplicated line.
10396 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10399 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10400 (expand_omp): ... here.
10401 (expand_omp_parallel): Only remove barriers for combined
10402 parallel+workshare constructs.
10404 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10408 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10409 * tree.c (build_qualified_type): Chain the new type to the original
10410 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10411 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10412 (build_pointer_type_for_mode): Only return unqualified types.
10413 (build_reference_type_for_mode): Likewise.
10415 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10417 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10418 * Makefile.in (CXX_COMPAT_WARN): Define.
10419 * configure: Regenerate.
10421 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10424 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10427 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10429 * toplev.c: Fix thinko.
10431 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10432 Marcin Dalecki <martin@dalecki.de>
10434 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10435 (push_srcloc): Use XNEW.
10436 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10438 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10440 * df-core.c (df_set_blocks): Deleted all variable.
10442 2006-01-28 Ian Lance Taylor <ian@airs.com>
10444 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10445 cgraph_output_pending_asms.
10447 2006-01-28 Zack Weinberg <zackw@panix.com>
10449 * c.opt: Add -W(no-)overlength-strings.
10450 * doc/invoke.texi: Document it.
10451 * c-opts.c (c_common_handle_option): -pedantic implies
10452 -Woverlength-strings, if not explicitly disabled already.
10453 (c_common_post_options): -Woverlength-strings defaults to off, and
10454 is always off for C++.
10455 * c-common.c (fix_string_type): Issue warning about strings longer
10456 than is portable only if warn_overlength_strings. Rearrange code
10457 a little for clarity.
10458 * configure.in: Check for -Wno-overlength-strings as well before
10459 enabling -pedantic in stage 1.
10460 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10461 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10463 * genconditions.c (write_header, write_one_condition)
10464 (write_conditions, write_writer): Consolidate very long strings
10465 that were broken up to fit in C89 portable limit. Don't use
10466 printf when fputs will do.
10468 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10470 * combine.c (simplify_comparison <AND>): Check
10471 TRULY_NOOP_TRUNCATION before start using a subreg.
10473 * config/mips/mips.md (*branch_zero<mode>,
10474 *branch_zero<mode>_inverted, *branch_equality<mode>,
10475 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10476 Remove mode check from comparisons.
10478 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10480 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10482 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10484 * expmed.c (const_mult_add_overflow_p): Remove.
10485 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10487 * recog.c (validate_replace_rtx_subexp): Remove.
10488 * recog.h: Remove the prototype for
10489 validate_replace_rtx_subexp.
10491 * integrate.h: Remove the prototype for
10492 copy_decl_for_inlining.
10493 * rtl.h: Remove the prototype for mark_constant_function.
10494 * tree-vectorizer.h: Remove the prototype for
10495 vect_strip_conversion.
10497 * modulo-sched.c (create_partial_schedule,
10498 free_partial_schedule, reset_partial_schedule): Make them
10501 * hooks.c (hook_bool_rtx_int_false): Remove.
10502 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10504 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10506 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10507 and -mlong-double-128 are incompatible.
10508 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10509 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10510 (TARGET_LIBGCC2_CFLAGS): Define.
10511 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10512 (TARGET_LIBGCC2_CFLAGS): Same.
10513 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10515 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10518 * c-typeck.c (build_binary_op): Perform implicit casts of
10519 operands before shortening them.
10521 * cfgloopmanip.c (split_loop_bb): Remove.
10522 * cfgloop.h: Remove the prototype for split_loop_bb.
10524 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10525 * cfgloop.h: Remove the prototype for
10526 flow_loop_outside_edge_p.
10528 * emit-rtl.c (init_virtual_regs): Make it static.
10529 * function.h: Remove the prototype for init_virtual_regs.
10531 * recog.c (peephole2_optimize): Make it static.
10532 * recog.h: Remove the prototype for peephole2_optimize.
10534 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10536 * df-scan.c (df_record_entry_block_defs): Check if
10537 INCOMING_RETURN_ADDR_RTX is defined.
10539 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10540 Kenneth Zadeck <zadeck@naturalbridge.com>
10542 PR rtl-optimization/24762
10543 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10544 * targhooks.c (hook_void_bitmap): New hook prototype.
10545 * targhoohs.h (hook_void_bitmap): Ditto.
10546 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10547 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10548 * target.h (live_on_entry): New function pointer.
10549 * df-scan.c (df_all_hard_regs): Removed.
10550 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10551 (df_scan_free_internal): Added df->entry_block_defs.
10552 (df_scan_alloc): Ditto.
10553 (df_scan_dump): Ditto.
10554 (df_uses_record): Plumbed flag field properly thru calls.
10555 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10556 This part fixes PR24762.
10557 (df_bb_refs_record): Added code to make the frame and arg
10558 pointers live in EH blocks.
10559 (df_refs_record): Added call to df_record_entry_block_defs.
10560 (df_record_entry_block_defs): New function.
10561 * df-core.c: Added comments to describe new artifical defs.
10562 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10563 (entry_block_defs): New field in struct df.
10564 (df_all_hard_regs): Deleted.
10565 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10566 * df-problems.c (df_ru_bb_local_compute_process_def):
10567 Added code to handle artifical defs in the entry to a function.
10568 (df_ru_bb_local_compute): Ditto.
10569 (df_rd_bb_local_compute_process_def): Ditto.
10570 (df_rd_bb_local_compute): Ditto.
10571 (df_lr_bb_local_compute): Ditto.
10572 (df_ur_bb_local_compute): Ditto.
10573 (df_urec_bb_local_compute): Ditto.
10574 (df_chain_create_bb): Ditto.
10575 (df_ur_local_finalize): Removed entry.
10576 (df_urec_init): Ditto.
10577 (df_urec_local_finalize): Ditto.
10578 (df_ri_bb_compute): Added detection of last use of pseudos.
10579 * Makefile.in (df-scan.o): Updated dependencies.
10580 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10581 * config/mips/mips.c (mips_set_live_on_entry): Added.
10582 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10584 * dce.c (marked_insn_p): Added code to handle artifical defs.
10586 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10588 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10590 (_mm_cvtsi128_si64): Likewise.
10591 (_mm_cvtsd_si64): Likewise.
10592 (_mm_cvttsd_si64): Likewise.
10593 (_mm_cvtsi64_sd): Likewise.
10594 (_mm_cvtsi64_si128): Likewise.
10595 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10596 (_mm_cvtsi64_m64): Likewise.
10597 (_m_to_int64): Likewise.
10598 (_mm_cvtm64_si64): Likewise.
10599 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10600 (_mm_cvttss_si64): Likewise.
10601 (_mm_cvtsi64_ss): Likewise.
10602 (_mm_cvtss_f32): Likewise.
10604 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10606 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10607 for pragma redefine_extname.
10609 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10612 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10613 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10614 -mno-minimal-toc to previous content.
10615 (bispecs): Remove goal.
10616 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10617 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10618 compatibility aliases on powerpc-*-*gnu*.
10619 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10620 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10621 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10622 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10623 (ldblspecs): New goal.
10624 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10625 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10627 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10628 L_sf_to_tf or L_df_to_tf is defined.
10630 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10631 Alan Modra <amodra@bigpond.net.au>
10634 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10635 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10636 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10637 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10638 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10639 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10640 (rs6000_override_options): Initialize rs6000_ieeequad.
10641 Initialize TFmode format to ibm_extended_format if not
10643 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10645 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10646 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10647 (function_arg_advance): IBM long double passed in two FPRs, not
10649 (function_arg): IBM long double passed in FPRs.
10650 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10651 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10652 Only multireg GPR aligned.
10653 (rs6000_init_libfuncs): Enable IBM long double functions if not
10655 (rs6000_generate_compare): Use IBM long double compare if not
10657 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10658 (TARGET_IEEEQUAD): Define.
10659 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10660 not TARGET_IEEEQUAD.
10661 * config/rs6000/rs6000.md: Enable TFmode patterns if
10663 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10664 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10665 and -mlong-double-128 are incompatible.
10666 * doc/invoke.texi (-mabi): Collect options together. Add
10667 ibmlongdouble and ieeelongdouble.
10669 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10671 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10673 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10674 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10675 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10676 * rtl.h (rtunion_def): Remove rt_ptr.
10678 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10679 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10680 * config/i386/winnt.c (i386_pe_mark_dllexport)
10681 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10683 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10685 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10687 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10691 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10692 pthread_key_delete. From John David Anglin. gthrw-ify
10693 pthread_getunique_np only if it it's not a macro. Delete
10695 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10696 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10697 __gthread_objc_condition_signal, __gthread_key_delete): Add
10698 "__attribute__ ((__unused__))" to unused arguments.
10699 (__gthread_recursive_mutex_init_function): Add missing return.
10700 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10701 gthr-posix95.h: Use macro-based approach for name redirection
10702 on targets missing weakref.
10704 2006-01-26 Zack Weinberg <zackw@panix.com>
10706 * genconditions.c (write_header): In generated code, #ifdef out
10707 all includes and fake declarations, except includes of bconfig.h
10708 and system.h, unless GCC_VERSION >= 3001. Do not include
10709 gensupport.h in any case.
10710 (write_conditions): Generate a definition of struct c_test. Add
10711 a comment to the generated #endif.
10712 (write_one_condition): Escape backslashes in string too.
10713 (write_writer): Generated code must escape backslashes and quote
10714 marks (but not newlines) in the strings it writes.
10715 * Makefile.in (build/gencondmd.o): Update dependencies.
10717 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10720 * Makefile.in (insn-automata.o): Add header file dependencies.
10721 * genautomata.c: Add includes.
10723 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10726 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10728 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10730 * configure.ac: Expect target tools paths to be passed from the toplevel
10731 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10733 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10735 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10738 * c.opt (Wpointer-sign): Init to -1.
10739 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10740 OPT_pedantic, to 0 otherwise.
10741 * doc/invoke.texi: Update.
10743 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10745 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10746 constants provided by 80387 instructions in the destination mode.
10748 2006-01-26 Richard Guenther <rguenther@suse.de>
10749 Andrew Pinski <pinskia@physics.uc.edu>
10752 partial PR tree-opt/17064
10753 * tree-ssa-structalias.c (intra_create_variable_infos):
10754 Create heap variables for incoming parameters if
10755 flag_argument_noalias > 1.
10756 (find_what_p_points_to): Look through default defs of
10759 2006-01-26 Jeff Law <law@redhat.com>
10762 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10763 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10764 within the VR_RANGE, use the VR_RANGE as the result, not the
10766 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10767 bounds for the type.
10769 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10771 * tree-ssa-alias.c (maybe_create_global_var): Change
10772 subvar walking to an assertion that we don't have subvar'd variables.
10774 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10777 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10778 Use a new variable, inner. PARM_DECLs are always non-weak.
10780 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10782 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10783 --disable-checking.
10785 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10787 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10789 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10791 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10792 (smax_insn, smin_insn, smax_0, smin_0): New.
10794 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10797 * config/cris/cris.c (cris_order_for_addsi3): New function.
10798 * config/cris/cris-protos.h: Prototype it.
10799 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10800 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10801 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10802 (split for "op.S1 [rx=rx+i],ry (swapped)")
10803 (split for "op(s|u).S1 [rx=rx+i],ry")
10804 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10805 Apply cris_order_for_addsi3 when generating addsi3 insns.
10807 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10809 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10810 (TREE_BLOCK): Add call to EXPR_CHECK.
10812 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10815 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10816 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10817 (dump_omp_clauses): ... here.
10818 (dump_generic_node): Handle OMP_CLAUSE.
10819 * tree.c (omp_clause_num_ops): New.
10820 (omp_clause_code_name): New.
10821 (tree_code_size): Handle OMP_CLAUSE.
10822 (tree_size): Likewise.
10823 (make_node): Document handling of OMP_CLAUSE.
10824 (tree_node_structure): Handle OMP_CLAUSE.
10825 (omp_clause_check_failed): New.
10826 (omp_clause_range_check_failed): New.
10827 (omp_clause_operand_check_failed): New.
10828 (build_omp_clause): New.
10829 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10830 * tree.h (enum omp_clause_code): Declare.
10831 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10832 (OMP_CLAUSE_RANGE_CHECK): Define.
10833 (OMP_CLAUSE_ELT_CHECK): Define.
10834 (omp_clause_check_failed): Declare.
10835 (omp_clause_operand_check_failed): Declare.
10836 (omp_clause_range_check_failed): Declare.
10837 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10838 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10839 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10840 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10841 (OMP_CLAUSE_IF_EXPR): Likewise.
10842 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10843 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10844 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10845 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10846 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10847 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10848 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10849 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10850 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10851 (OMP_CLAUSE_CODE): Define.
10852 (OMP_CLAUSE_SET_CODE): Define.
10853 (OMP_CLAUSE_CODE): Define.
10854 (OMP_CLAUSE_OPERAND): Define.
10855 (struct tree_omp_clause): Declare.
10856 (union tree_node): Add field 'omp_clause'.
10857 * treestruct.def (TS_OMP_CLAUSE): Define.
10858 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10859 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10860 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10861 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10862 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10863 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10864 (OMP_CLAUSE): Define.
10865 * print-tree.c (print_node): Handle OMP_CLAUSE.
10866 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10867 * c-typeck.c: Likewise.
10868 * gimplify.c: Likewise.
10869 * c-omp.c: Likewise.
10870 * tree-nested.c: Likewise.
10871 * tree-inline.c: Likewise.
10872 * c-parser.c: Likewise.
10873 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10876 2006-01-25 Roger Sayle <roger@eyesopen.com>
10878 PR rtl-optimization/25703
10879 * combine.c (try_combine): Handle zero_extract and strict_low_part
10880 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10882 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10884 * global.c: Fix comment typos.
10886 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10889 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10890 Use output_addr_const instead of assemble_name.
10892 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10894 * Makefile.in (sched-vis.o): Update dependencies.
10895 * haifa-sched.c (sched_finish): Clear current_sched_info.
10896 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10897 (dump_flow_info): Call it.
10898 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10900 * basic-block.h (dump_bb_info): Declare.
10901 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10902 option, and apply options only for dump files whose TDF_RTL,
10903 TDF_TREE, or TDF_IPA bits match.
10904 * rtl.h: Declare new functions exported from sched-vis.c.
10905 * sched-vis.c: Enable also if scheduling is not used.
10906 (print_value): Print the mode of registers if not inside scheduling.
10907 (print_insn): Make it work outside the scheduler. Beautify the output
10909 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10911 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10913 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10914 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10915 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10916 depending on the value of CONSTANT_POOL_ADDRESS_P.
10917 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10919 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10920 rather than SYMBOL_REF_DECL.
10921 (rtx_constant_pool): Remove const_rtx_sym_htab.
10922 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10923 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10924 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10925 Remove handling of const_rtx_sym_htab.
10926 (find_pool_constant): Delete.
10927 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10928 rather than find_pool_constant.
10929 (get_pool_constant_for_function): Delete.
10930 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10931 find_pool_constant.
10932 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10933 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10934 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10935 (SYMBOL_REF_CONSTANT): New macro.
10936 (get_pool_constant_for_function): Delete.
10937 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10938 rather than SYMBOL_REF_DECL.
10939 (i386_pe_mark_dllimport): Likewise.
10940 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10941 rather than SYMBOL_REF_DECL.
10942 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10943 (machopic_indirect_call_target): Likewise.
10945 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10947 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10949 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10951 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10953 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10955 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10957 2006-01-24 David Daney <ddaney@avtrex.com>
10960 * configure.ac (enable_tls): New enable option.
10961 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10962 * configure: Regenerate.
10963 * doc/install.texi (--enable-tls): Document new option.
10964 (--disable-tls): Ditto.
10966 2006-01-24 Richard Henderson <rth@redehat.com>
10968 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10969 * alias.c (true_dependence): Respect it.
10970 (canon_true_dependence, write_dependence_p): Likewise.
10971 * builtins.c (get_builtin_sync_mem): Set it.
10973 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10975 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10978 2006-01-24 DJ Delorie <dj@redhat.com>
10980 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10981 for storing constants in single-bit bitfields.
10983 2006-01-25 Ben Elliston <bje@au.ibm.com>
10985 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10987 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10990 * tree-ssa-pre.c (phi_translate): Return NULL
10991 for AGGREGATE_TYPE's.
10993 2006-01-24 Zack Weinberg <zackw@panix.com>
10995 * genautomata.c (process_state_for_insn_equiv_partition):
10996 Use xcalloc for insn_arcs_array.
10997 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10998 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11000 2006-01-24 Richard Henderson <rth@redhat.com>
11002 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11003 update all callers.
11005 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11007 PR rtl-optimization/25890
11008 PR rtl-optimization/25905
11009 * combine.c (expand_compound_operation, expand_field_assignment):
11010 Fail if the bitfield's final position is out of bounds.
11012 2006-01-24 Ian Lance Taylor <ian@airs.com>
11014 PR middle-end/25930
11015 * cgraphunit.c (cgraph_output_in_order): Don't clear
11016 cgraph_asm_nodes until after asm strings have been output.
11018 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11020 * fix-header.c (read_scan_file): Add new parameter imultilib when
11021 calling register_include_chains.
11023 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11025 * omp-low.c: Update documentation.
11027 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11028 Daniel Berlin <dberlin@dberlin.org>
11032 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11033 return from the function.
11035 2006-01-22 Zack Weinberg <zackw@panix.com>
11037 * rtl.def (match_code): Add second argument.
11038 * genpreds.c (write_extract_subexp): New function.
11039 (write_match_code): Add path argument. Use write_extract_subexp.
11040 (write_predicate_expr): Pass path to write_match_code.
11041 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11042 not perform a mode test.
11043 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11044 a subexpression does not constrain the top-level code set.
11045 * read-rtl.c (read_rtx_variadic): New function.
11046 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11047 * doc/md.texi: Document new notation.
11048 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11049 (cmpsi_operand): ... here, using new notation.
11051 2006-01-22 Zack Weinberg <zackw@panix.com>
11053 * varray.c: Remove GENERATOR_FILE #ifdefs.
11055 2006-01-22 Zack Weinberg <zackw@panix.com>
11057 * genautomata.c (output_reserved_units_table): Emit nothing if
11058 description->query_units_num is zero. Remove extra blank line.
11059 (output_cpu_unit_reservation_p): Short circuit
11060 if description->query_units_num is zero.
11062 2006-01-22 Zack Weinberg <zackw@panix.com>
11064 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11065 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11066 nor any of the random handful of variables that used to be necessary
11067 when this program was linked with rtlanal.o. Prune set of forward
11068 function declarations.
11069 (struct attr_desc): Remove static_p field.
11070 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11071 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11072 (attr_string): Do not read the character one past the length of
11074 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11075 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11076 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11077 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11078 (make_automaton_attrs): New.
11079 (main): Do not call into genautomata. Call local gen_bypass
11080 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11081 Remove special case for insn_alts.
11082 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11083 varray.h (leftover from previous change). Prune set of forward
11084 function declarations. Remove state_alts fields from all
11085 structures. Remove state_alts_table from struct automaton.
11086 Make everything except main static. Do not maintain num_dfa_decls.
11087 Do not maintain state_alts fields of various structures.
11088 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11089 (add_arc): Remove state_alts argument. All callers updated.
11090 (output_reserved_units_table): Emit #ifdef here...
11091 (output_tables): ...not here. Don't generate state_alts tables.
11092 (expand_automata): Don't generate attributes.
11093 (write_automata): Don't generate state_alts functions.
11094 (main): New function.
11095 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11096 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11097 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11098 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11099 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11100 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11101 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11102 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11104 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11105 * genattrtab.h: Delete file.
11106 * Makefile.in (OBJS-common): Add insn-automata.o.
11107 (insn-automata.o): New rule.
11108 (simple_generated_c): Add insn-automata.c.
11109 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11110 (genprogmd): Add automata.
11111 (build/genattrtab): Needs no extra objects nor libraries.
11112 (build/genautomata): Needs build/vec.o and -lm.
11114 2006-01-22 Zack Weinberg <zackw@panix.com>
11116 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11117 (output_dfa_max_issue_rate, locked_states_num): Delete.
11118 (struct automaton): Add locked_states field.
11119 (output_dead_lock_vect): Save number of locked states in
11120 automaton->locked_states. If it is zero, don't print anything.
11121 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11122 (output_internal_dead_lock_func): Only test the dead_lock_vect
11123 for automata that have locked states.
11124 (output_statistics): Always print the number of locked states for
11125 each automaton. Calculate total number of locked states here.
11126 (write_automata): Don't call output_dfa_max_issue_rate.
11127 * genattrtab.c: Define length_unit_log as a const variable.
11128 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11129 max_insn_queue_index const.
11130 * final.c (length_unit_log): Declare const.
11131 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11133 2006-01-22 Zack Weinberg <zackw@panix.com>
11135 * genautomata.c: Include vec.h, not varray.h.
11136 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11137 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11138 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11139 VEC_* macros operating on appropriately typed vectors, or to
11140 malloced arrays when the size is known in advance. Const-ify
11141 many char* variables and function arguments. No functional changes.
11142 * Makefile.in (build/varray.o): Delete rule.
11143 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11144 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11146 2006-01-22 Zack Weinberg <zackw@panix.com>
11148 * gensupport.c: Define get_insn_name and record_insn_name here.
11149 (read_md_rtx): Call record_insn_name as appropriate.
11150 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11151 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11152 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11154 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11155 (BUILD_VARRAY): Delete.
11156 (genprognormal): Rename genprogmd. Fold in all programs from
11157 genprognoprint; also attrtab.
11158 (build/genattrtab): Just mention genautomata.o and varray.o.
11159 Reorganize a bit, add comments to make the categories clearer.
11161 2006-01-22 Zack Weinberg <zackw@panix.com>
11163 * genconditions.c (condition_table, add_condition): Delete.
11164 (write_conditions): Don't emit n_insn_conditions nor
11165 insn_elision_unavailable. Issue the gcc version #ifdef here,
11166 inside the table, with no #else clause ...
11167 (write_header): ...not here.
11168 (write_writer): New function.
11169 (main): Don't initialize condition_table. Use add_c_test.
11171 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11172 files on the command line.
11173 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11174 Return -1 if there is no entry in the table, don't abort.
11175 (add_c_test, traverse_c_tests): New functions.
11176 * gensupport.h (insn_elision_unavailable, insn_conditions)
11177 (n_insn_conditions): Delete declarations.
11178 (add_c_test, traverse_c_tests): Declare.
11179 * read-rtl.c: Include gensupport.h.
11180 (read_conditions): New function.
11181 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11182 (read_rtx_1): If we get EOF when we were looking for an initial
11183 open paren, return 0. Call read_conditions when appropriate.
11184 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11185 dummy-conditions.o. Eliminate references to insn-conditions.o,
11186 or change them to build/gencondmd.o, as appropriate. Remove
11187 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11188 from $(simple_generated_c). For all files remaining in those
11189 two lists, add insn-conditions.md to the generator command line.
11190 Give insn-constants.h/s-constants their own rules. Add rules
11191 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11192 (build/read-rtl.o): Depend on gensupport.h.
11193 (genprognormal): Include preds.
11194 (genprogearly): Rename genprognoprint; only difference is now that
11195 they don't link with $(BUILD_PRINT).
11196 * dummy-conditions.c: Delete.
11198 2006-01-22 Zack Weinberg <zackw@panix.com>
11200 * genextract.c: Don't include insn-config.h. Do include vec.h.
11201 Declare vectors of int, char, and locstr.
11202 (locstr): New typedef.
11203 (struct extraction): Make all array fields into bare pointers.
11204 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11205 (insn_code_number): Delete.
11206 (accum_extract): New struct.
11207 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11208 (gen_insn): Take insn_code_number as an argument. Use an
11209 accum_extract structure instead of loading data directly into
11210 a struct extraction, and having to know how big it might get.
11211 (walk_rtx): Operate entirely on an accum_extract structure.
11212 (print_path): Avoid unnecessary use of printf.
11213 (print_header): New function, split out of main. Distinguish
11214 more carefully between an unrecognizable insn and an insn that
11215 has the code number of a define_expand.
11216 (main): Pass insn_code_number to gen_insn. Call print_header
11217 only after parsing. Avoid unnecessary use of printf.
11218 * Makefile.in (build/vec.o): New rule.
11219 (build/genextract): Depend on build/vec.o.
11220 (build/genextract.o): Don't depend on insn-config.h.
11222 2006-01-22 Zack Weinberg <zackw@panix.com>
11224 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11225 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11226 practical. Eliminate per-generator-program link rules.
11228 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11230 PR middle-end/24437
11231 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11232 with a call expr to ...
11233 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11235 2006-01-23 Richard Guenther <rguenther@suse.de>
11237 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11238 before make_edge with conditional EDGE_TRUE_VALUE.
11240 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11241 Jan Hubicka <jh@suse.cz>
11242 Richard Guenther <rguenther@suse.de>
11244 PR rtl-optimization/25654
11245 * cfgexpand.c (aggregate_contains_union_type): New function.
11246 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11247 for structure variables that contain a union type.
11249 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11251 * gengtype.c (new_structure): Return the structure.
11252 (create_option): Add an extra "next" argument.
11253 (create_field): New function.
11254 (adjust_field_rtx_def): Use create_option and create_field.
11255 Remove a now-unnecessary call to find_structure.
11256 (adjust_field_tree_def): Likewise.
11257 (note_yacc_type): Remove an unnecessary call to find_structure.
11258 * gengtype.h (new_structure): Return the structure.
11259 (create_option): Add an extra argument.
11260 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11261 (option): Adjust calls to create_option.
11263 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11265 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11267 2006-01-22 Paul Brook <paul@codesourcery.com>
11268 Peter Barada <peter@the-baradas.com>
11270 * config/m68k/m68k.md: Add Coldfire FPU support.
11271 Define FP mode macro and associated attributes.
11272 Use it for float mode patterns.
11273 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11274 (LIBCALL_VALUE): Use m68k_libcall_value.
11275 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11276 (m68k_function_value): Ditto.
11277 (emit_move_sequence): Ditto.
11278 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11279 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11280 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11281 (MULTILIB_EXCEPTIONS): Ditto.
11282 * config/m68k/m68k.opt: Add mcfv4e.
11283 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11284 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11285 (m68k_output_function_prologue): Save ColdFire FPU registers.
11286 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11287 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11288 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11289 ColdFire FPU registers.
11290 (m68k_libcall_value, m68k_function_value): New functions.
11291 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11292 (LIBCALL_VALUE): Use m68k_libcall_value.
11293 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11294 (MASK_COLDFIRE): Add MASK_CFV4E.
11295 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11296 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11297 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11298 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11299 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11300 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11301 * doc/invoke.tex: Document -mcfv4e on m68k.
11303 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11305 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11308 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11311 * c-opts.c (c_common_handle_option): Don't include
11312 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11313 * doc/invoke.texi (C++ Dialect Options): Document that
11314 -Wnon-virtual-dtor is no longer included in -Wall.
11316 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11318 * gcov.c (print_version), gcov-dump.c (print_version),
11319 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11322 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11324 * df-scan.c (problem_SCAN): Added NULL reset function.
11325 (df_scan_reset_blocks): Added code to call reset block function
11326 (df_bb_refs_delete) Fixed comment.
11327 (df_insn_refs_delete): Made tolerant of deleting non existent info
11328 for dataflow problems that need to be reset.
11329 * df-core.c (df_set_blocks): Ditto.
11330 * df.h (struct df_problem): Added reset_fun.
11331 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11332 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11333 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11334 functions to clear out all references to def-use or use-def chains.
11336 2006-01-21 Ben Elliston <bje@au.ibm.com>
11338 * varasm.c (assemble_real): Initialise data array.
11340 2006-01-20 Paul Brook <paul@codesourcery.com>
11342 Merge from csl-arm-branch.
11343 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11344 * config/arm/arm.md (movdi): Force operands[1] to a register
11345 if we have a non-register source.
11346 (*arm_movdi, *movdf_soft_insn): Require that one of the
11347 operands be a register.
11348 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11349 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11351 2006-01-20 DJ Delorie <dj@redhat.com>
11353 * varasm.c (initializer_constant_valid_p): Allow pointers
11354 initialized from integer constants of lesser precision.
11355 (output_constant): Allow non-int-sized pointer modes to be
11356 initialized from integer constants.
11358 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11361 * cppdefault.h (struct default_include): Add multilib flag.
11362 * cppdefault.c (cpp_include_defaults): Set it.
11363 * c.opt (-imultilib): New option.
11364 * c-opts.c (imultilib): New.
11365 (c_common_handle_option): Handle -imultilib.
11366 (c_common_post_options): Likewise.
11367 * c-incpath.c (add_standard_paths, register_include_chains):
11369 * c-incpath.h (register_include_chains): Add extra parameter.
11370 * gcc.c (do_spec_1): Generate -imultilib option.
11371 (The Specs Language): Update %I description.
11372 (process_command): Update copyright notice.
11373 * doc/cppopts.texi (-imultilib): Document.
11374 * doc/invoke.texi (-imultilib): Include in option summary.
11375 (%I): Update specs documentation.
11377 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11379 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11381 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11383 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11386 2006-01-20 Richard Guenther <rguenther@suse.de>
11387 Steven Bosscher <stevenb.gcc@gmail.com>
11389 PR rtl-optimization/24626
11390 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11391 EDGE_TRUE_VALUE if in RTL mode.
11394 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11395 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11397 2006-01-20 Dirk Mueller <dmueller@suse.com>
11400 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11401 instead of a special NOP marker.
11402 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11403 NOP marker handling.
11404 * c-common.h (empty_body_warning): Add forward declaration.
11405 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11406 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11408 2006-01-20 Paul Brook <paul@codesourcery.com>
11410 * Makefile.in (lang_checks): Keep going if mkdir fails.
11412 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11414 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11415 be able to clean out basic block when not necessary.
11416 (df_scan_free): Fixed to properly delete information if df is
11417 unused before calling df_finish.
11418 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11419 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11421 (df_bb_refs_delete): New function.
11422 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11423 * df-core.c (df_set_blocks): Added code to properly clean out
11424 unused blocks if they are not part of the blocks to consider.
11425 Added additional null check.
11426 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11427 be able to clean out basic block when not necessary
11428 * df.h (df_free_bb_function): Ditto.
11429 (df_bb_refs_delete): New function.
11430 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11431 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11432 basic block parameter to be able to clean out basic block when not
11434 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11435 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11436 Fixed to properly delete information if df is unused before
11439 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11441 PR rtl-optimization/25799
11442 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11443 Corrected confluence operator to remove bits from op2 before oring
11444 with op1 rather than removing bits from op1.
11445 (df_ru_transfer_function): Corrected test on wrong bitmap which
11446 caused infinite loop. Both of these problems were introduced in
11447 the dataflow rewrite.
11449 2006-01-19 DJ Delorie <dj@redhat.com>
11451 * reload1.c (find_reload_regs): Note the details of reload
11452 failures in the dump file.
11453 (spill_failure): Likewise.
11455 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11457 * loop-iv.c: Include df.h and hashtab.h.
11458 (enum iv_grd_result): New enum.
11459 (DF_REF_IV, DF_REF_IV_SET): New macros.
11460 (struct biv_entry): New.
11461 (df, bivs): New global variables.
11462 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11463 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11465 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11466 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11467 analyzed_for_bivness_p, record_biv): New functions.
11468 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11469 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11470 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11472 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11474 (iv_number_of_iterations): Use new interface to iv analysis.
11475 * loop-unroll.c: Do not include varray.h.
11476 (analyze_iv_to_split_insn): Use new interface to iv
11478 * loop-unswitch.c (may_unswitch_on): Ditto.
11479 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11481 (df_bb_modify): Realloc tables to the new index.
11482 (df_find_use): New function.
11483 * df.h (df_find_use): Declare.
11484 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11486 * cfgloop.h (struct rtx_iv): Remove analysed field.
11487 (iv_get_reaching_def): Removed.
11488 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11489 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11490 (loop-iv.o): Add df.h and hashtab.h dependency.
11491 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11493 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11496 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11498 (__floatundisf, __floatundidf): Likewise.
11499 * libgcc2.h (IS_IBM_EXTENDED): Define.
11501 2006-01-19 DJ Delorie <dj@redhat.com>
11503 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11505 2006-01-19 Paul Brook <paul@codesourcery.com>
11507 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11508 as nothrow when unwinding tables are disabled.
11510 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11513 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11514 of bit-field" when in system header.
11516 2006-01-19 DJ Delorie <dj@redhat.com>
11518 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11519 the 16 bit shift limit of the m16c.
11521 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11524 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11525 * config/i386/i386.c (output_set_got): Output the label if we have one
11526 for the TARGET_DEEP_BRANCH_PREDICTION case.
11528 2006-01-19 Jan Hubicka <jh@suse.cz>
11529 H.J. Lu <hongjiu.lu@intel.com>
11530 Evandro Menezes <evandro.menezes@amd.com>
11532 * invoke.texi (generic): Document
11534 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11535 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11536 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11537 (x86_use_incdec, x86_pad_returns): New variables
11538 (TARGET_CPU_DEFAULT_generic): New constant
11539 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11540 (enum processor_type): Add generic32 and generic64.
11541 * i386.md (cpu attribute): Add generic32/generic64
11542 (movhi splitter): Behave sanely when both partial_reg_dependency and
11543 partial_reg_stall are set.
11544 (K8 splitters): Enable for generic as well.
11545 * predicates.md (incdec_operand): Use TARGET_INCDEC
11546 (aligned_operand): Avoid memory mismatch stalls.
11547 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11548 * ppro.md: Enable for generic32
11549 * i386.c (generic64_cost, generic32_cost): New.
11550 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11551 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11552 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11553 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11554 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11555 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11556 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11557 x86_accumulate_outgoing_args, x86_prologue_using_move,
11558 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11559 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11560 Enable for generic.
11561 (x86_use_incdec, x86_pad_returns): New.
11562 (override_options): Add generic32 and generic64, translate "generic"
11563 to generic32/generic64 and "i686" to "generic32", refuse
11564 "generic32"/"generic64" as arch target.
11565 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11566 (ix86_reorg): Honor PAD_RETURNS.
11568 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11570 * tree-pretty-print.c (dump_generic_node): Handle
11571 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11572 * cgraph.c (cgraph_expand_queue): Rename from
11573 cgraph_analyze_queue. Update all users.
11574 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11575 cgraph_expand_queue.
11576 (cgraph_expand_all_functions): Likewise.
11577 (cgraph_finalize_pending_functions): Remove. Update callers.
11579 * tree.h (OMP_DIRECTIVE_P): Define.
11580 (OMP_PARALLEL_FN): Define.
11581 (OMP_PARALLEL_DATA_ARG): Define.
11582 (OMP_SECTIONS_SECTIONS): Define.
11583 * tree-pass.h (pass_expand_omp): Declare.
11584 * omp-low.c (struct omp_region): Declare.
11585 (struct omp_context): Remove fields 'parallel_type',
11586 'parallel_start_ix' and 'parallel_start_additional_args'.
11588 (struct omp_for_data): Rename from struct expand_omp_for_data.
11589 (omp_regions): New static variable.
11590 (root_omp_region): New static variable.
11591 (find_omp_clause): Make static.
11592 (is_in_combined_parallel_ctx): Remove.
11593 (is_combined_parallel): New.
11594 (extract_omp_for_data): Move earlier in the file.
11595 (workshare_safe_to_combine_p): New.
11596 (get_ws_args_for): New.
11597 (determine_parallel_type): Move earlier in the file.
11598 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11600 (omp_copy_decl): Likewise.
11601 (create_omp_child_function): Likewise.
11602 (lookup_omp_region): New.
11603 (dump_omp_region): New.
11604 (debug_omp_region): New.
11605 (debug_all_omp_regions): New.
11606 (new_omp_region): New.
11607 (scan_omp_parallel): If parallel_nesting_level > 1, the
11608 directive is nested within another parallel directive.
11609 Set OMP_PARALLEL_FN.
11610 (scan_omp_for): Do not try to handle combined parallel+for
11612 Remove FIXME comment.
11613 (scan_omp_nested): Remove.
11614 (scan_omp_1): Do not call scan_omp_nested when
11615 parallel_nesting_level is > 1.
11616 Do not change the DECL_CONTEXT of local variables found.
11617 (lookup_decl_in_outer_ctx): New.
11618 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11619 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11620 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11621 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11622 If CTX is nested, lookup VAR in the outer context when
11623 building copy assignment.
11624 (lower_send_clauses): Rename from expand_send_clauses.
11625 If CTX is nested, lookup VAR in the outer context when
11626 building copy assignments.
11627 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11628 If CTX is nested, lookup VAR in the outer context when
11629 building copy assignments.
11630 (expand_parallel_call): Rename from build_parallel_call.
11631 Handle combined parallel+workshare cases.
11632 Re-implement to emit code into the CFG.
11634 (expand_omp_parallel): Re-implement to emit code into the CFG.
11635 Call move_sese_region_to_fn to outline the sub-graph
11636 containing the parallel region.
11637 (expand_omp_for_1): Remove.
11638 (expand_omp_for_generic): Re-implement to emit code into the
11640 (expand_omp_for_static_nochunk): Likewise.
11641 (expand_omp_for_static_chunk): Likewise.
11642 (expand_omp_for): Likewise.
11643 (expand_omp_sections): Likewise.
11644 (remove_exit_barriers): New.
11645 (expand_omp_synch): New.
11647 (build_omp_regions_1): New.
11648 (build_omp_regions): New.
11649 (execute_expand_omp): New.
11650 (gate_expand_omp): New.
11651 (pass_expand_omp): Define.
11652 (lower_omp_sections): Rename from expand_omp_sections.
11653 Set OMP_SECTIONS_SECTIONS.
11654 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11655 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11656 (lower_omp_single): Rename from expand_omp_simple.
11657 (lower_omp_master): Rename from expand_omp_master.
11658 (lower_omp_ordered): Rename from expand_omp_ordered.
11659 (lower_omp_critical): Rename from expand_omp_critical.
11660 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11661 (lower_omp_for): Re-implement.
11662 (lower_omp_parallel): Re-implement.
11663 (lower_regimplify): Rename from expand_regimplify.
11664 (lower_omp_1): Rename from expand_omp_1.
11665 If there are syntax errors in the program, replace every
11666 OpenMP directive with NOP.
11667 Call lower_omp_* instead of expand_omp_*.
11668 (lower_omp): Rename from expand_omp.
11670 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11671 * tree-gimple.h (enum omp_parallel_type): Remove.
11672 (gimple_boolify): Declare extern.
11673 (find_omp_clause, determine_parallel_type): Remove.
11675 * gimple-low.c (lower_omp_directive): New.
11676 (lower_stmt): Call it.
11677 (record_vars_into): Move from ...
11678 (record_vars): ... here.
11679 Call record_vars_into with current_function_decl.
11681 * gimplify.c (struct gimplify_ctx): Remove fields
11682 combined_pre_p and combined_ctxp. Update users.
11683 (get_formal_tmp_var): Add documentation.
11684 (gimple_boolify): Make extern.
11685 (gimplify_expr_in_ctx): Remove. Update callers.
11686 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11687 will always be a BIND_EXPR.
11688 (gimplify_expr): Handle OMP_RETURN_EXPR.
11689 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11690 (OMP_PARALLEL): Add 3 operands.
11691 (OMP_SECTIONS): Add 1 operand.
11692 (OMP_RETURN_EXPR): Define.
11694 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11695 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11696 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11697 creating a circular free list.
11698 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11700 * tree-flow.h (move_sese_region_to_fn): Declare.
11701 (record_vars_into): Declare.
11702 * tree-cfg.c (make_omp_sections_edges): New.
11703 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11704 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11705 OMP_SECTIONS and OMP_SECTION.
11706 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11707 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11708 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11709 (gather_blocks_in_sese_region): New.
11710 (struct move_stmt_d): Declare.
11711 (move_stmt_r): New.
11712 (move_block_to_fn): New.
11713 (move_sese_region_to_fn): New.
11715 * passes.c (init_optimization_passes): Schedule
11716 pass_expand_omp after pass_init_datastructures.
11718 * tree-ssa-operands.c (get_expr_operands): Handle
11719 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11720 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11722 2006-01-19 Jeff Law <law@redhat.com>
11724 * tree-vrp.c (extract_range_from_assert): Refine the result range
11725 if the variable referenced by the ASSERT_EXPR has a range and
11726 either the tentative result range or the previous range is a
11729 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11731 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11733 2006-01-19 Jan Hubicka <jh@suse.cz>
11735 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11737 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11739 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11740 (expand_compound_operation, expand_field_assignment): Fail if the
11741 bit lengths of an extract operation are out of range.
11742 (make_extraction): Compute wanted_inner_mode based on the position
11743 and length of the extraction. Make it extraction_mode for non-constant
11744 positions, and do not modify offset in that case. When generating a
11745 new MEM, use a mode that can hold the extraction while keeping correct
11746 alignment. Remove code that supported MEMs wrapped by USEs.
11747 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11749 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11751 * config/s390/s390.md ("Y", "y"): New mode attribute.
11752 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11753 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11754 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11755 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11756 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11757 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11758 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11759 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11760 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11761 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11762 "addsi3", "subsi3"): Insn patterns removed.
11763 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11764 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11765 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11766 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11767 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11768 "*sub<mode>3_cconly2"): New insn patterns.
11769 ("addsi3", "subsi3"): New expanders.
11771 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11773 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11774 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11775 existing STMT_VINFO_VECTYPE if available.
11776 (vect_mark_relevant): Add special handling for stmts that are
11777 marked as STMT_VINFO_IN_PATTERN_P.
11778 (vect_analyze_loop): Call vect_pattern_recog.
11779 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11780 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11782 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11783 (vect_recog_func_ptr): New function-pointer type.
11784 * tree-vect-patterns.c: New file.
11785 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11786 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11787 (vect_pattern_recog_1): New functions.
11788 (vect_pattern_recog_funcs): New array of function pointers.
11790 * tree-vectorizer.h (ternary_op): New enum value.
11791 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11792 declaration. Revised documentation. Removed redundant dump prints.
11793 Removed redundant argument. Added support for reduction patterns.
11794 (vectorizable_reduction): Added support for reduction patterns.
11795 (vect_transform_stmt): Added support for patterns.
11797 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11798 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11799 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11800 (expand_widen_pattern_expr): New function.
11801 (init_optabs): Initialize new optabs udot_prod_optab,
11803 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11804 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11805 (expand_widen_pattern_expr): New function declaration.
11806 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11808 * tree-inline.c (estimate_num_insns_1): Added cases for new
11809 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11810 * tree-pretty-print.c (dump_generic_node): Likewise.
11811 (op_prio): Likewise.
11812 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11813 * tree-ssa-operands.c (get_expr_operands): Added case for
11815 * tree-vect-patterns.c (widened_name_p): New function.
11816 (vect_recog_dot_prod_pattern): Added function implementation.
11817 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11818 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11819 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11820 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11822 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11823 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11824 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11825 (init_optabs): Initialize new optabs widen_ssum_optab,
11827 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11828 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11829 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11830 use instead of type of def.
11831 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11832 function implementation.
11833 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11834 widen_ssumv8hi): New.
11836 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11839 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11842 * c-decl.c (add_flexible_array_elts_to_size): New function.
11843 (finish_decl): Use it.
11845 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11847 * diagnostic.h: Include options.h.
11848 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11849 dependancies for diagnostic.h.
11850 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11852 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11854 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11855 (ssa_ro_call_cache_valid): Ditto.
11856 * tree-ssa-alias.c (sort_tags_by_id): New function.
11857 (init_transitive_clobber_worklist): Ditto.
11858 (add_to_worklist): Ditto.
11859 (mark_aliases_call_clobbered): Ditto.
11860 (compute_tag_properties): Ditto.
11861 (set_initial_properties): Ditto.
11862 (compute_call_clobbered): Ditto.
11863 (compute_may_aliases): Call compute_call_clobbered and grouping.
11864 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11865 (compute_flow_insensitive_aliasing): Grouping now happens in our
11867 (setup_pointers_and_addressables): Remove clobbering related code.
11868 (add_may_alias): Ditto.
11869 (replace_may_alias): Ditto.
11870 (get_nmt_for): Ditto.
11871 (create_global_var):
11872 (is_escape_site): Return an escape_type enumeration.
11873 * tree-flow-inline.h (is_call_clobbered): Global var does not
11874 imply call clobbered.
11875 (mark_call_clobbered): Take a reason for marking this. Remove
11876 marking of globalness, and cache invalidation.
11877 (clear_call_clobbered): Remove cache invalidation code.
11878 * tree-dfa.c (dump_variable): If details is on, dump the reason
11880 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11882 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11883 (struct var_ann_d): Ditto.
11884 (enum escape_type): New.
11885 (mark_call_clobbered): Adjust prototype.
11886 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11887 are never call clobbered.
11888 Record reasons for escaping.
11889 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11890 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11891 (ssa_ro_call_cache_valid): Ditto.
11892 (clobbered_v_may_defs): Ditto.
11893 (clobbered_vuses): Ditto.
11894 (ro_call_vuses): Ditto.
11895 (clobber_stats): New.
11896 (init_ssa_operands): Zero out clobber stats.
11897 (fini_ssa_operands): Print out clobber stats.
11898 (get_call_expr_operands): Pass callee fndecl to
11899 add_call_read_ops).
11900 (add_call_clobber_ops): Remove use of cache.
11901 Add use of PURE_CONST information.
11902 (add_call_read_ops): Remove use of cache.
11903 Add use of static not_read information.
11905 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11907 Introduce TLS descriptors for i386 and x86_64.
11908 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11909 (TARGET_ANY_GNU_TLS): New macro.
11910 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11911 (struct machine_function): Add tls_descriptor_call_expanded_p.
11912 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11913 (ix86_current_function_calls_tls_descriptor): Likewise.
11914 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11915 (override_options): Introduce gnu2 tls dialect.
11916 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11918 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11920 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11921 (ix86_init_machine_status): Initialize new field.
11922 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11923 (ix86_tls_module_base): New.
11924 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11925 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11926 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11927 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11928 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11929 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11930 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11931 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11932 * config/i386/predicates.md (tls_modbase_operand): New.
11933 (tp_or_register_operand): New.
11935 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11937 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11938 (look_for_address_of): Ditto.
11939 (ipa_init): Walk the function decls.
11940 (static_execute): Don't set readonly on FUNCTION_DECL's.
11942 2006-01-18 Roger Sayle <roger@eyesopen.com>
11944 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11945 for shifts where the source and destination registers are different.
11947 2006-01-18 Paul Brook <paul@codesourcery.com>
11949 Merge from csl-arm-branch.
11950 2005-03-14 Julian Brown <julian@codesourcery.com>
11951 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11952 (aeabi_llsl): Likewise.
11953 (ashrdi3): Likewise.
11954 (aeabi_lasr): Likewise.
11955 (lshrdi3): Likewise.
11956 (aeabi_llsr): Likewise.
11957 2005-03-10 Julian Brown <julian@codesourcery.com>
11958 * config.gcc: Disable shared libgcc for SymbianOS.
11959 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11961 2006-01-18 DJ Delorie <dj@redhat.com>
11963 * c-pragma.c (handle_pragma_diagnostic): New.
11964 (init_pragma): Register it.
11965 * doc/extend.texi: Document it.
11967 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11968 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11969 (diagnostic_context): Add classify_diagnostic[].
11970 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11971 as errors if they're overridden to DK_WARNING.
11972 (diagnostic_initialize): Initialize classify_diagnostic[].
11973 (diagnostic_set_kind_override): New.
11974 (diagnostic_report_diagnostic): Check for kind changes.
11975 * opts.c (common_handle_option): Take lang_mask. Update callers.
11976 Handle OPT_Werror_.
11977 * common.opt (Werror=): New.
11978 * doc/invoke.texi: Document -Werror=*
11980 2006-01-18 Jeff Law <law@redhat.com>
11982 * tree-vrp.c (test_for_singularity): Correct test for new
11983 min limit. Use operand_equal_p rather than pointer equality
11984 for testing if new min/max values are equal.
11986 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11987 using range information until after propagation and folding.
11989 2006-01-18 Richard Henderson <rth@redhat.com>
11990 Aldy Hernandez <aldyh@redhat.com>
11991 Jakub Jelinek <jakub@redhat.com>
11992 Diego Novillo <dnovillo@redhat.com>
11994 * omp-low.c: New file.
11995 * c-omp.c: New file.
11997 2006-01-18 Richard Henderson <rth@redhat.com>
11998 Jakub Jelinek <jakub@redhat.com>
11999 Diego Novillo <dnovillo@redhat.com>
12001 * doc/invoke.texi: Document -fopenmp.
12002 * tree-dump.h (debug_function): Declare.
12003 * hooks.c (hook_bool_tree_bool_false): New function.
12004 (hook_tree_tree_null): Remove.
12005 (hook_tree_tree_tree_null): New.
12006 * hooks.h: Update to match.
12007 * tree-pretty-print.c (debug_tree_chain): New.
12008 (print_generic_expr): Handle TDF_CHAIN.
12009 (dump_generic_node): Handle BLOCK.
12010 Do not abort with incomplete SWITCH_EXPRs.
12011 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12012 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12013 print space after directive name.
12014 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12015 Handle OMP_MASTER and OMP_ORDERED.
12016 Handle printing of OMP_BODY just in one place, goto
12017 dump_omp_body in the rest of OMP_* nodes that have
12019 Don't handle clause nodes here. Update omp statements to
12020 use dump_omp_clauses.
12021 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12022 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12023 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12024 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12025 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12026 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12027 Adjust output for GOMP_PARALLEL.
12028 (dump_omp_clauses): New.
12029 (print_declaration): Dump DECL_VALUE_EXPR.
12030 (op_symbol_1): Split out of op_symbol.
12031 (dumping_stmts): Remove. Update all users.
12032 * cgraph.c (cgraph_analyze_queue): New.
12033 (cgraph_add_new_function): New.
12034 * cgraph.h (cgraph_analyze_queue): Declare.
12035 (cgraph_add_new_function): Declare.
12036 (cgraph_lower_function): Remove.
12037 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12038 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12039 and TYPE_P nodes in its default clause.
12040 (empty_body_p): New.
12041 (tree_range_check_failed): New.
12042 (build5_stat): New.
12043 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12044 OMP_CLAUSE_REDUCTION_MERGE,
12045 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12046 OMP_CLAUSE_PRIVATE_DEBUG,
12047 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12048 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12049 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12050 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12051 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12052 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12053 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12054 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12055 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12056 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12057 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12058 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12059 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12060 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12061 (TREE_RANGE_CHECK): New.
12062 (empty_body_p): Declare.
12063 (enum omp_clause_default_kind): New.
12064 (build_string_literal): Declare.
12065 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12066 (build5_stat, build5): Declare.
12067 * tree-pass.h (TDF_CHAIN): Define.
12068 * tree-pass.h (PROP_gimple_lomp): Define.
12069 (pass_lower_omp): Declare.
12070 * diagnostic.h (debug_tree_chain): Declare.
12071 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12073 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12074 * builtins.c (build_string_literal): Make extern.
12075 * gcc.c (include_spec_function): New.
12076 (static_spec_functions): Add it.
12077 (main): Move load of libgomp.spec ...
12078 (LINK_COMMAND_SPEC): ... here.
12079 (link_gomp_spec): New.
12080 (static_specs): Include it.
12081 (LINK_COMMAND_SPEC): Add link_gomp.
12082 (GOMP_SELF_SPECS): New.
12083 (driver_self_specs): Include it.
12084 (switch_matches): Don't mark inline.
12085 (main): Load libgomp.spec.
12086 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12087 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12088 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12089 * tree-gimple.h (enum omp_parallel): Declare.
12090 (determine_parallel_type): Declare.
12091 (omp_firstprivatize_variable): Declare.
12092 (omp_reduction_init): Declare.
12093 (diagnose_omp_structured_block_errors): Declare.
12094 (struct walk_stmt_info): Add want_return_expr.
12095 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12096 (find_omp_clause): Declare.
12097 (insert_field_into_struct): Declare.
12098 (struct walk_stmt_info): Move from tree-nested.c
12099 (walk_stmts): Declare.
12100 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12102 * cgraphunit.c (cgraph_lower_function): Make static.
12103 (cgraph_finalize_pending_functions): New.
12104 (cgraph_finalize_function): Call it.
12105 (cgraph_finalize_compilation_unit): Likewise.
12106 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12107 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12108 (BT_FN_UINT_UINT): New.
12109 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12110 DEF_FUNCTION_TYPE_VAR_4): Document.
12111 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12112 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12113 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12114 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12115 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12116 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12117 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12118 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12119 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12120 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12121 into separate files.
12122 (DEF_GOMP_BUILTIN): New.
12123 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12124 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12125 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12126 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12127 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12128 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12129 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12130 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12131 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12132 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12133 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12134 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12135 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12136 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12137 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12138 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12139 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12140 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12141 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12142 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12143 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12144 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12145 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12146 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12147 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12148 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12149 * sync-builtins.def: New file, moved from builtins.def.
12150 * omp-builtins.def: New file, moved from builtins.def.
12151 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12152 * gimple-low.c (lower_function_body): Clear data.
12153 (lower_stmt): Do not handle COMPOUND_EXPR.
12154 Remove call to print_node_brief.
12155 * c-tree.h (c_finish_omp_clauses): New prototype.
12156 (C_DECL_THREADPRIVATE_P): Define.
12157 (lookup_name_no_remap, c_omp_remap_private): Remove
12158 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12159 (check_for_loop_decls): Update decl.
12160 (lookup_name_no_remap, c_omp_remap_private): Declare.
12161 (build_indirect_ref, build_modify_expr, pushdecl,
12162 pushdecl_top_level): Move to c-common.h.
12163 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12164 before the switch, but just in the 2 places that need it.
12165 * c-decl.c (diagnose_mismatched_decls): Do not check for
12166 mismatched thread-local attributes when OLDDECL is marked
12167 threadprivate and NEWDECL has no thread-local attributes.
12168 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12169 (c_gimple_diagnostics_recursively): Rename from
12170 c_warn_unused_result_recursively. Invoke
12171 diagnose_omp_structured_block_errors.
12172 (check_for_loop_decls): Return a singular decl found.
12173 * langhooks.c (lhd_omp_predetermined_sharing): Return
12174 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12175 (lhd_omp_firstprivatize_type_sizes): New.
12176 (lhd_omp_assignment): New.
12177 (lhd_omp_predetermined_sharing): New.
12178 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12179 (struct lang_hooks_for_types): Add
12180 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12181 omp_predetermined_sharing, omp_disregard_value_expr,
12182 omp_private_debug_clause, omp_clause_default_ctor,
12183 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12184 (c_finish_omp_clauses): New.
12185 (c_finish_bc_stmt): Diagnose break within omp for.
12186 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12187 (build_unary_op): Return error_mark after reporting
12189 (build_modify_expr): Likewise.
12190 * gimplify.c: Include optabs.h and pointer-set.h.
12191 (enum gimplify_omp_var_data): Declare.
12192 (struct gimplify_omp_ctx): Declare.
12193 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12195 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12196 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12197 (splay_tree_compare_decl_uid): New.
12198 (new_omp_context): New.
12199 (delete_omp_context): New.
12200 (gimple_add_tmp_var): Call omp_add_variable.
12201 (gimplify_bind_expr): Likewise.
12202 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12203 true, disregard DECL_VALUE_EXPR on the decl if any.
12204 (gimplify_expr_in_ctx): New.
12205 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12206 omp_add_variable, omp_notice_variable, omp_is_private
12207 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12208 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12209 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12210 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12211 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12212 gimplify_omp_atomic): New.
12213 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12214 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12215 OMP_CRITICAL and OMP_ATOMIC.
12216 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12217 * c-pragma.h (enum pragma_kind): Add
12218 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12219 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12220 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12221 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12222 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12223 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12224 PRAGMA_OMP_THREADPRIVATE.
12225 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12226 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12227 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12228 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12229 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12230 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12231 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12232 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12233 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12234 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12235 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12236 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12237 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12239 (struct nesting_info): Add field_map,
12240 suppress_expansion, debug_var_chain.
12241 (create_nesting_tree): Initialize them.
12242 (lookup_field_for_decl): Use field_map.
12243 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12244 (convert_local_omp_clauses): New.
12245 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12246 (walk_body): Split out of walk_function.
12247 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12248 (convert_nonlocal_reference): Handle omp statements.
12249 (convert_local_reference): Likewise.
12250 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12251 (unnest_nesting_tree): New.
12252 (lower_nested_functions): Call it.
12253 (insert_field_into_struct): Make extern.
12254 (struct walk_stmt_info): Move to tree-gimple.h.
12255 (walk_stmts): Make extern.
12256 * omp-builtins.def: New file.
12257 * tree-iterator.c (expr_only): Clarify comment.
12258 * c-common.h (pushdecl_top_level, pushdecl,
12259 build_modify_expr, build_indirect_ref,
12260 c_finish_omp_master, c_finish_omp_critical,
12261 c_finish_omp_ordered, c_finish_omp_barrier,
12262 c_finish_omp_atomic, c_finish_omp_flush,
12263 c_finish_omp_for, c_split_parallel_clauses,
12264 omp_clause_default_kind, c_omp_sharing_predetermined,
12265 c_omp_remap_decl): Declare.
12266 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12267 (OBJS-common): Add omp-low.o.
12268 (c-omp.o, omp-low.o): Add.
12269 (gimplify.o): Add dependency on $(OPTABS_H).
12270 (GTFILES): Add omp-low.c.
12271 (gt-stringpool.h): Add.
12272 * tree-cfg.c (set_bb_for_stmt): Do not update the
12273 block-to-labels map if we are currently expanding to RTL.
12274 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12276 Handle IDENTIFIER_NODE.
12277 (tree_verify_flow_info): Do not ICE when emitting error
12278 messages about invalid labels.
12279 (dump_function_to_file): Reset CFUN before emitting the body
12281 (debug_function): New.
12282 * passes.c (init_optimization_passes): Schedule
12284 * langhooks-def.h (lhd_omp_predetermined_sharing,
12285 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12287 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12288 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12289 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12290 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12291 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12292 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12293 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12294 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12295 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12296 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12297 (LANG_HOOK_DECLS): Use them.
12299 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12300 Richard Henderson <rth@redhat.com>
12301 Jakub Jelinek <jakub@redhat.com>
12302 Diego Novillo <dnovillo@redhat.com>
12304 * c-parser.c (pragma_omp_clause): Define.
12305 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12306 (c_parser_compound_statement): Likewise.
12307 (c_parser_statement): Likewise.
12308 (c_parser_pragma): Handle omp pragmas.
12309 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12310 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12311 (c_parser_omp_clause_name, check_no_duplicate_clause,
12312 c_parser_omp_variable_list,
12313 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12314 c_parser_omp_clause_copyprivate,
12315 c_parser_omp_clause_default,
12316 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12317 c_parser_omp_clause_lastprivate,
12318 c_parser_omp_clause_nowait,
12319 c_parser_omp_clause_num_threads,
12320 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12321 c_parser_omp_clause_reduction,
12322 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12323 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12324 c_parser_omp_atomic, c_parser_omp_barrier,
12325 c_parser_omp_critical, c_parser_omp_flush,
12326 c_parser_omp_for_loop, c_parser_omp_for,
12327 c_parser_omp_master, c_parser_omp_ordered,
12328 c_parser_omp_sections_scope, c_parser_omp_sections,
12329 c_parser_omp_parallel, c_parser_omp_single,
12330 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12331 * c-pragma.c (init_pragma): Do omp pragma registration here.
12332 * c.opt (fopenmp): New flag.
12334 2006-01-18 Eric Christopher <echristo@apple.com>
12336 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12337 * config/darwin.h (GOMP_SELF_SPECS): Define.
12339 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12341 * rtl.h: Remove the prototype for reg_alloc.
12343 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12346 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12347 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12348 sjlj and dwarf2 exception handling.
12349 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12350 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12351 * pa/pa.c (function_value): Treat complex and vector types as
12353 (function_arg): Likewise. Only pass scalar floats in the floating
12354 point argument registers.
12355 * pa/t-slibgcc-dwarf-ver: New file.
12356 * pa/t-slibgcc-sjlj-ver: New file.
12357 * pa/t-slibgcc-elf-ver: Delete file.
12359 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12361 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12362 unlikely_test_section_p test.
12364 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12366 * mode-switching.c (optimize_mode_switching): Make it static.
12367 * basic-block.h: Remove the prototype for
12368 optimize_mode_switching.
12370 * modulo-sched.c (sms_schedule): Make it static.
12371 * rtl.h: Remove the prototype for sms_schedule.
12373 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12374 * rtl.h: Remove the prototype for gcse_after_reload_main.
12376 * reg-stack.c (reg_to_stack): Make it static.
12377 * rtl.h: Remove the prototype for reg_to_stack.
12379 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12381 * rtl.h: Remove the prototypes for regrename_optimize and
12382 copyprop_hardreg_forward.
12384 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12386 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12387 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12388 Test against the appropriate null constant for the mode.
12389 If 'fixup_overlap' is true, swap the operands if they overlap.
12390 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12391 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12392 alpha_split_tmode_pair and adjust for above change.
12393 * config/alpha/alpha.md (movtf_internal): Adjust call to
12394 alpha_split_tfmode_pair and rely on it to swap the operands.
12395 (movti_internal): New insn and post-reload splitter.
12396 (movti): New expander.
12398 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12400 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12403 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12405 * rtlanal.c (global_reg_mentioned_p_1,
12406 global_reg_mentioned_p): Remove.
12407 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12409 * flow.c (initialize_uninitialized_subregs): Make it static.
12410 * rtl.h: Remove the prototype for
12411 initialize_uninitialized_subregs.
12413 * function.c (instantiate_virtual_regs): Make it static.
12414 * function.h: Remove the prototype for
12415 instantiate_virtual_regs.
12417 * regmove.c (regmove_optimize, combine_stack_adjustments):
12419 * rtl.h: Remove the prototypes for regmove_optimize and
12420 combine_stack_adjustments.
12422 2006-01-17 Roger Sayle <roger@eyesopen.com>
12424 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12425 (size_cost): Encode costs in bytes so that a reg-reg addition is
12426 equivalent to COSTS_N_INSNS(1).
12427 (override_options): Use the size_cost.branch_cost as the default
12428 ix86_branch_cost when optimizing for size.
12430 2006-01-18 Ben Elliston <bje@au.ibm.com>
12432 * Makefile.in (D32PBIT_FUNCS): New.
12433 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12434 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12435 D64PBIT_FUNCS and D128PBIT_FUNCS.
12436 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12437 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12439 (decnumber_dep): Define.
12440 * doc/libgcc.texi (Decimal float library routines): New node.
12441 * config/dfp-bit.h, config/dfp-bit.c: New files.
12443 2006-01-18 Ben Elliston <bje@au.ibm.com>
12445 * expr.c (emit_move_change_mode): Always adjust addresses, not
12446 just during reload. Copy replacements only during reload.
12447 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12448 emit_move_via_integer.
12450 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12452 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12453 instead of $(srcdir) and ${srcdir}.
12455 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12458 PR middle-end/11135
12459 * arm.h (struct machine_function): Add pic_reg.
12460 * arm.c (arm_pic_register): Make unsigned.
12461 (arm_override_options): Only set arm_pic_register if
12462 TARGET_SINGLE_PIC_BASE.
12463 (use_return_insn): Only test for a pic register if it is fixed.
12464 (arm_compute_save_reg0_reg12_mask): Likewise.
12465 (thumb_compute_save_reg_mask): Likewise.
12466 (legitimate_pic_operand): Factor out some known invariants.
12467 (legitimize_pic_address): If we don't have a fixed pic register,
12468 then set up a pseudo in the function entry sequence. Handle the
12469 pic base being in a pseudo.
12470 (arm_load_pic_register): Handle the pic register being in a pseudo.
12471 (arm_expand_prologue): Only set up the pic register if it is fixed.
12472 (thumb_expand_prologue): Likewise.
12473 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12474 (pic_load_addr_based_insn): Likewise.
12475 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12478 2006-01-18 Ben Elliston <bje@au.ibm.com>
12480 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12481 decimal float modes for all floating point registers.
12483 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12484 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12486 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12489 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12490 even when the pointer is not NULL.
12492 2006-01-16 Ian Lance Taylor <ian@airs.com>
12494 * common.opt (ftoplevel-reorder): New option.
12495 * cgraph.c (cgraph_asm_nodes): New global variable.
12496 (cgraph_asm_last_node): New static variable.
12497 (cgraph_order): New global variable.
12498 (cgraph_create_node): Set new order field.
12499 (cgraph_varpool_node): Likewise.
12500 (decide_is_variable_needed): Return true if not
12501 flag_toplevel_reorder.
12502 (cgraph_add_asm_node): New function.
12503 * cgraph.h (struct cgraph_node): Add order field.
12504 (struct cgraph_varpool_node): Add order field.
12505 (struct cgraph_asm_node): Define.
12506 (cgraph_asm_nodes, cgraph_order): Declare.
12507 (cgraph_add_asm_node): Declare.
12508 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12510 (cgraph_varpool_assemble_pending_decls): Call it.
12511 (cgraph_output_pending_asms): New static function.
12512 (cgraph_finalize_compilation_unit): Call it.
12513 (struct cgraph_order_sort): Define.
12514 (cgraph_output_in_order): New static function.
12515 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12516 !flag_toplevel_reorder case.
12517 * c-parser.c: Include "cgraph.h".
12518 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12520 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12521 than -fno-unit-at-a-time.
12522 * doc/invoke.texi (Option Summary): Mention
12523 -fno-toplevel-reorder.
12524 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12525 -funit-at-a-time documentation.
12527 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12528 Kazu Hirata <kazu@codesourcery.com>
12530 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12532 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12534 * Makefile.in (FUNCTION_H): New. Use it instead of
12535 function.h throughout the file.
12536 * function.h: Include tree.h.
12538 2006-01-17 Ben Elliston <bje@au.ibm.com>
12540 * recog.c: Separate some functions with whitespace.
12542 2006-01-16 Richard Henderson <rth@redhat.com>
12544 Merge from gomp branch:
12545 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12546 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12547 and rename from struct inline_data. Rename callee* to dst*;
12548 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12549 transform_new_cfg, transform_return_to_modify, and
12550 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12552 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12553 (copy_decl_for_dup): Remove.
12554 * tree-inline.c (struct inline_data): Move to header.
12555 (insert_decl_map): Export.
12556 (remap_decl): Update for member name changes. Use copy_decl hook.
12557 Allow for replacement to be a non-decl. Remove dead code.
12558 (remap_type_1): Check for existing mapping.
12559 (remap_type): Export.
12560 (remap_decls): Update for member name changes.
12561 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12562 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12563 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12564 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12565 (tree_function_versioning, build_duplicate_type): Likewise.
12566 (copy_body_r): Likewise. Export.
12567 (copy_decl_for_dup): Split into ...
12568 (copy_decl_for_dup_finish, copy_decl_to_var,
12569 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12570 (replace_ref_tree, inlining_p): Remove.
12572 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12574 * ifcvt.c (if_convert): Make it static.
12575 * rtl.h: Remove the prototype for if_convert.
12577 * local-alloc.c (local_alloc): Make it static.
12578 * rtl.h: Remove the prototype for local_alloc.
12580 * loop.c (loop_optimize): Make it static.
12581 * cfgloop.h: Remove the prototype for loop_optimize.
12584 2006-01-16 DJ Delorie <dj@redhat.com>
12586 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12589 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12591 * pa.md: Disparage copies between general and floating-point registers
12592 in 32-bit move patterns.
12594 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12597 * Makefile.in (check-%): Depend on site.exp instead of
12598 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12601 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12603 * global.c (global_alloc): Make it static.
12604 * rtl.h: Remove the prototype for global_alloc.
12606 2006-01-16 Richard Guenther <rguenther@suse.de>
12608 * tree-ssa-alias.c (struct used_part): Add write_only field.
12609 (get_or_create_used_part_for): Initialize it to true.
12610 (create_overlap_variables_for): Don't create structure variables
12611 for structures that only are written to.
12612 (find_used_portions): Handle MODIFY_EXPR to track whether a
12613 structure is only written to.
12615 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12617 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12619 * basic-block.h: Remove the prototype for
12620 partition_hot_cold_basic_blocks.
12622 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12624 * cppspec.c (lang_specific_spec_functions): Remove.
12625 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12626 * gcc.h (lang_specific_spec_functions): Remove.
12627 * gccspec.c (lang_specific_spec_functions): Remove.
12629 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12631 * combine.c (record_value_for_reg): Invalidate registers
12633 (record_dead_and_set_regs_1): Likewise, by passing them to
12634 record_value_for_reg.
12635 (record_dead_and_set_regs): Invalidate stores made by a
12636 call. We do not combine across a call, but we still
12637 relied on equivalences.
12639 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12641 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12642 vrp_int_const_binop returning non-constant nodes.
12644 2006-01-16 Paul Brook <paul@codesourcery.com>
12646 * config/m68k/m68k.c (output_move_const_into_data_reg):
12647 Output correct mnemonic for mvz and mvs.
12649 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12651 * rtl-factoring.c: Add sequence abstraction algorithm.
12652 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12653 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12655 (block_has_preserve_label): New function.
12656 * common.opt: Register new pass.
12657 * Makefile.in: Ditto.
12659 * timevar.def: Ditto.
12660 * tree-pass.h: Ditto.
12661 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12662 * rtl.h (make_jump_insn_raw): Add forward decl.
12663 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12665 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12666 Roger Sayle <roger@eyesopen.com>
12668 * fold-const.c (fold_minmax): New static function.
12669 (fold_binary) <MIN_EXPR>: Call it.
12670 <MAX_EXPR>: Likewise.
12671 * stor-layout.c (place_field): Use DECL_SIZE consistently
12672 in the computation of the new record size.
12674 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12676 * cse.c (cse_condition_code_reg): Make it static.
12677 * rtl.h: Remove the prototype for cse_condition_code_reg.
12679 * combine.c (combine_instructions): Make it static.
12680 * rtl.h: Remove the prototype for combine_instructions.
12682 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12685 * tree.c (get_file_function_name_long): Concatenate the first global
12686 object name with a string derived from the input filename of the object
12689 2006-01-16 Ben Elliston <bje@au.ibm.com>
12691 * config/i386/winnt-stubs.c: Update FSF address.
12692 * config/xtensa/ieee754-df.S: Ditto.
12693 * config/xtensa/ieee754-sf.S: Ditto.
12695 2006-01-14 Ian Lance Taylor <ian@airs.com>
12697 * ifcvt.c (noce_init_if_info): New static function, broken out of
12698 noce_process_if_block.
12699 (noce_process_if_block): Call noce_init_if_info.
12700 (check_cond_move_block): New static function.
12701 (cond_move_process_if_block): New static function.
12702 (process_if_block): Call cond_move_process_if_block.
12704 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12706 * cselib.c (hash_table): Rename to cselib_hash_table.
12707 (cselib_clear_table, discard_useless_values,
12708 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12709 cselib_init, cselib_finish): Adjust uses of hash_table.
12711 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12713 PR tree-optimization/25485
12714 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12715 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12716 is known to be false and true, respectively.
12718 2006-01-14 Richard Guenther <rguenther@suse.de>
12720 PR tree-optimization/22548
12721 PR tree-optimization/22555
12722 PR tree-optimization/22501
12723 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12724 * params.def (salias-max-array-elements): New parameter.
12725 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12726 * doc/invoke.texi (salias-max-array-elements): Document.
12727 * tree-flow-inline.h (var_can_have_subvars): We also handle
12729 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12731 * tree-ssa-structalias.c (params.h): Include.
12732 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12733 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12734 (get_constraint_for): For ADDR_EXPR operating on something
12735 containing an ARRAY_REF, add all subvars to the solution.
12736 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12737 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12738 for creating MUST_DEFs.
12739 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12741 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12743 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12745 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12746 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12747 number_of_iterations_le): New functions.
12748 (number_of_iterations_special): Removed.
12749 (number_of_iterations_exit): Do not use number_of_iterations_special.
12750 * tree.c (unsigned_type_for): Always return integer type.
12752 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12753 Richard Guenther <rguenther@suse.de>
12755 PR rtl-optimization/24257
12756 * gcse.c (find_moveable_store): Only consider a store movable
12757 when the SET_SRC of the insn can be assigned to a register.
12759 2006-01-14 Ian Lance Taylor <ian@airs.com>
12761 * tree.c (tree_not_class_check_failed): New function.
12762 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12763 (tree_not_class_check_failed): Declare.
12765 2006-01-13 Ian Lance Taylor <ian@airs.com>
12767 * reload1.c (do_output_reload): Add assertion rejecting a
12770 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12772 * combine.c (struct reg_stat): Add new fields truncation_label and
12774 (record_value_for_reg): Reset truncated_to_mode.
12775 (record_truncated_value): New function.
12776 (check_promoted_subreg): Call it. Rename to check_conversions.
12777 (combine_instructions): Rename check_promoted_subreg to
12779 (reg_truncated_to_mode): New function.
12780 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12781 (gen_lowpart_or_truncate): New function.
12782 (force_to_mode): Use it instead of gen_lowpart.
12784 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12786 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12787 VAR is a tag, not its type tag.
12789 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12791 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12792 alternatives to match style of other entries.
12793 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12795 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12797 PR tree-optimization/25771
12798 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12801 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12804 * tree-inline.c (declare_return_variable): If the return variable
12805 was marked as a non gimple complex, set the return slot variable
12806 to be a non gimple comple variable.
12808 2006-01-13 Richard Guenther <rguenther@suse.de>
12810 * builtins.c (expand_builtin_sincos): New function.
12811 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12813 (expand_builtin): Expand sincos using expand_builtin_sincos.
12815 2006-01-12 DJ Delorie <dj@redhat.com>
12817 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12818 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12819 so that constant shifts can be split.
12820 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12821 (m32c_valid_pointer_mode): Make static.
12822 (shift_gen_func_for): New.
12823 (m32c_prepare_shift): Use it. Split large const shifts into
12825 * config/m32c/predicates.md (shiftcount_operand): Allow more
12827 (longshiftcount_operand): New.
12828 * doc/md.texi (Machine Constraints): Document In6.
12830 2006-01-13 Ben Elliston <bje@au.ibm.com>
12832 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12833 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12836 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12838 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12839 to try to avoid clobbering pieces of structures when we know
12840 something about the whole structure.
12841 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12843 2006-01-13 Ben Elliston <bje@au.ibm.com>
12845 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12846 return in memory, as this is no limitation is no longer present.
12848 2006-01-12 DJ Delorie <dj@redhat.com>
12850 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12851 mova with fb, and for fb+0 -> An.
12853 * config/m32c/mov.md (peephole2): Fix enabling logic.
12855 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12856 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12857 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12858 FINI_ARRAY_SECTION_ASM_OP): Define.
12860 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12862 (m32c_legitimize_reload_address): New logic to reload FB to An.
12863 (m32c_output_reg_push): Add newline.
12864 (m32c_output_reg_pop): Likewise.
12866 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12868 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12870 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12872 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12874 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12876 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12879 2006-01-11 Ben Elliston <bje@au.ibm.com>
12881 * rtlanal.c (find_reg_note): Assert insn is not null.
12883 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12885 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12888 2006-01-11 Jeff Law <law@redhat.com>
12890 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12892 (mark_threaded_blocks, register_jump_thread): New functions.
12893 (thread_through_all_blocks): Remove unwanted argument. No
12894 longer rely on e->aux to communicate thread target info.
12895 Call mark_threaded_blocks. Release the threaded_blocks
12896 bitmap and threaded_edges vector when complete.
12897 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12898 (threaded_blocks): Remove.
12899 (tree_ssa_dominator_optimize): Remove initialization and
12900 finalization of threaded_blocks. Simplify call to
12901 thread_through_all_blocks.
12902 (thread_across_edge): Call register_jump_thread rather than
12903 storing thread information into e->aux.
12904 (free_all_edge_infos): Simplify now that e->aux is no longer
12905 used to communicate with thread_through_all_blocks.
12906 * tree-flow.h (thread_through_all_blocks): Update prototype.
12907 (register_jump_thread): Prototype.
12909 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12911 * df-core.c (df_compact_blocks, df_bb_replace): Use
12912 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12914 2006-01-11 Richard Guenther <rguenther@suse.de>
12916 PR tree-optimization/25734
12917 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12918 stop propagation after successful propagation to the LHS.
12920 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12922 * basic-block.h (control_flow_graph): Change the type of
12923 x_basic_block_info to VEC(basic_block,gc) *.
12924 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12926 (SET_BASIC_BLOCK): New.
12927 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12928 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12929 * cfgbuild.c (find_basic_blocks): Likewise.
12930 * cfglayout.c (fixup_reorder_chain): Likewise.
12931 * cfgrtl.c (create_basic_block_structure,
12932 rtl_create_basic_block): Likewise.
12933 * ifcvt.c (find_if_case_1): Likewise.
12934 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12937 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12939 * Makefile.in: Removed rotted odf.c entry.
12941 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12944 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12945 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12946 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12947 output pattern modifier, not %e.
12948 * config/cris/cris.c (cris_op_str): Update comment about pattern
12950 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12951 before falling through into...
12952 <case 'E'>: Redefined from old 'e' case.
12954 2006-01-11 Jan Hubicka <jh@suse.cz>
12957 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12959 2006-01-11 Jan Hubicka <jh@suse.cz>
12961 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12962 * i386.c (x86_decompose_lea): Kill.
12963 (ix86_rtx_costs): Kill.
12965 2006-01-11 Jan Hubicka <jh@suse.cz>
12967 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12968 * cgraph.h (cgraph_node): Add inline_decl.
12969 (cgraph_insert_node_to_hashtable): Declare.
12970 (save_inline_function_body): Declare.
12971 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12973 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12974 (cgraph_function_versioning): Update call of tree_function_versioning.
12975 (save_inline_function_body): New function.
12976 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12977 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12978 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12979 (cgraph_default_inline_p): Likewise.
12980 (cgraph_decide_inlining_incrementally): Likewise.
12981 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12982 (copy_bb): Kill saving; do updating of clones.
12983 (copy_cfg_body): Kill saving.
12984 (initialize_inlined-parameters): Likewise.
12985 (expand_call_inline): Likewise.
12987 (tree_function_versioning): New parameter "update_clones".
12988 (inlining_p): Kill saving.
12989 * tree-inline.h (tree_function_versioning): Update prototype.
12990 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12993 2006-01-11 Ian Lance Taylor <ian@airs.com>
12995 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12996 Allow undoing set of machine mode.
12997 (do_SUBST): Use enums instead of is_int.
12998 (do_SUBST_MODE): New function.
12999 (SUBST_MODE): New macro.
13000 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13001 reg and trying to replace reg_regno_rtx with a new register.
13002 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13003 (simplify_set): Use SUBST_MODE.
13004 (distribute_notes): Remove code that tried to update reg notes
13005 for regno_reg_rtx changes.
13007 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13009 PR tree-optimization/23109
13010 PR tree-optimization/23948
13011 PR tree-optimization/24123
13013 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13014 * tree-cfg.c (single_noncomplex_succ): New.
13015 * tree-flow.h (single_noncomplex_succ): Declare it.
13016 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13017 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13018 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13019 insert_bb, register_division_in, insert_reciprocals,
13020 replace_reciprocal, free_bb): New.
13021 (execute_cse_reciprocals_1): Rewritten.
13022 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13023 Do not commit any edge insertion. Always compute dominators and
13024 create the allocation pool.
13025 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13026 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13027 * targhooks.c (default_min_divistions_for_recip_mul): New.
13028 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13029 * passes.c (init_optimization_passes): Run recip after tree loop
13031 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13033 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13034 Kenneth Zadeck <zadeck@naturalbridge.com>
13036 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13037 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13038 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13039 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13040 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13041 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13042 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13043 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13044 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13045 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13046 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13047 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13048 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13049 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13050 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13051 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13052 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13053 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13054 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13055 DF_SCAN_POST_ALLOC): New macros.
13056 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13057 df_free_bb_function, df_local_compute_function, df_init_function,
13058 df_dataflow_function, df_confluence_function_0,
13059 df_confluence_function_n, df_transfer_function,
13060 df_finalizer_function, df_free_function, df_dump_problem_function,
13061 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13062 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13063 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13064 df_urec_bb_info, ) New types.
13065 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13067 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13068 df_analyze_simple_change_some_blocks,
13069 df_analyze_simple_change_one_block, df_compact_blocks,
13070 df_bb_replace, df_bb_regno_last_use_find,
13071 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13072 df_insn_regno_def_p, df_find_def, df_find_use,
13073 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13074 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13075 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13076 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13077 debug_df_chain, df_get_dependent_problem, df_chain_create,
13078 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13079 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13080 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13081 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13082 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13083 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13084 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13085 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13086 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13087 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13088 df_reorganize_refs, df_set_state, df_hard_reg_init,
13089 df_read_modify_subreg_p) New public functions.
13090 * df-core.c: The core dataflow solver and glue routines for rtl
13092 (df_init, df_add_problem, df_set_blocks, df_finish,
13093 df_hybrid_search_forward, df_hybrid_search_backward,
13094 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13095 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13096 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13097 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13098 df_reg_defined, df_find_use, df_reg_used, df_dump,
13099 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13100 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13101 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13102 debug_df_useno, reset_df_after_reload): New functions.
13103 * df-scan.c: The scanning fuctions, once in df.c, completely
13104 rewritten so that they now fully model the functionality of
13105 register usage at the backend.
13106 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13107 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13108 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13109 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13110 df_get_artificial_defs, df_get_artificial_uses,
13111 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13112 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13113 df_refs_delete, df_reorganize_refs, df_set_state,
13114 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13115 df_def_record_1, df_defs_record, df_uses_record,
13116 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13117 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13118 df_record_exit_block_uses, df_hard_reg_init): New functions.
13120 * df-problems.c: Seven concrete dataflow problems that use the
13121 scanning in df-scan.c and are solved by the engine in df-core.c.
13122 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13123 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13124 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13125 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13126 df_ru_free_bb_info, df_ru_alloc,
13127 df_ru_bb_local_compute_process_def,
13128 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13129 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13130 df_ru_transfer_function, df_ru_free, df_ru_dump,
13131 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13132 df_rd_free_bb_info, df_rd_alloc,
13133 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13134 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13135 df_rd_transfer_function, df_rd_free, df_rd_dump,
13136 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13137 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13138 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13139 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13140 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13141 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13142 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13143 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13144 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13145 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13146 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13147 df_urec_mark_reg_use_for_earlyclobber,
13148 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13149 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13150 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13151 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13152 df_chain_create_bb_process_use, df_chain_create_bb,
13153 df_chain_finalize, df_chain_free, df_chains_dump,
13154 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13155 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13156 df_reg_lifetime): New functions.
13157 * df.c: Deleted file.
13158 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13159 consistent with new df api.
13160 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13161 rest_of_handle_sms): Ditto.
13162 * web.c (unionfind_union, union_defs, entry_register, web_main):
13164 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13165 invariant_expr_equal_p, find_defs, check_dependencies,
13166 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13167 free_inv_motion_data, move_loop_invariants): Ditto.
13168 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13169 Update dependencies.
13170 (odf.c): Added defective entry that was deleted later in day.
13171 * sched-deps.c (sched_analyze_1): Ditto.
13173 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13175 * tree-ssa-operands.c (get_expr_operands): Record addressable
13176 variables directly. Do not call add_stmt_operands for CONST_DECLs
13178 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13179 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13181 2006-01-11 Ben Elliston <bje@au.ibm.com>
13183 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13184 function returns true in the positive case.
13186 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13189 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13190 for SI, DI, SF and DF modes. Add alternatives to copy between
13191 general and floating point registers to the 32-bit patterns.
13192 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13193 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13194 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13195 generating 64-bit code.
13196 * config/pa/pa.c (output_move_double): Handle copies between general
13197 and floating registers.
13199 2006-01-10 Stuart Hastings <stuart@apple.com>
13201 * config/i386/i386.md (set_got): Update.
13202 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13203 (builtin_setjmp_receiver): Mach-O support.
13204 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13205 (GOT_SYMBOL_NAME): Define.
13206 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13207 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13208 * config/i386/i386.c (override_options): Revise for Darwin.
13209 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13210 support. (darwin_x86_file_end): New. (output_set_got): Add label
13211 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13212 * config/i386/i386-protos.h (output_set_got): Likewise.
13213 * config/darwin.c (machopic_legitimize_pic_address): Update
13216 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13218 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13219 when MODE isn't BLKmode.
13221 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13223 PR rtl-optimization/25367
13224 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13226 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13229 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13230 for a negative bound.
13232 2006-01-10 Richard Guenther <rguenther@suse.de>
13234 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13235 Never override with anything constraint.
13237 2006-01-10 Jan Beulich <jbeulich@novell.com>
13239 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13240 256 bits when optimize_size.
13242 2006-01-10 Jan Beulich <jbeulich@novell.com>
13244 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13246 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13247 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13250 2006-01-10 Ben Elliston <bje@au.ibm.com>
13252 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13254 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13255 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13256 (USE_FP_FOR_ARG): Reject decimal float modes.
13257 (function_arg_advance): Likewise.
13258 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13259 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13260 point types in AltiVec vectors.
13261 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13262 (rs6000_libcall_value): Likewise.
13264 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13266 * config/xtensa/ieee754-df.S: New file.
13267 * config/xtensa/ieee754-sf.S: New file.
13268 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13269 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13270 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13272 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13274 * config/sh/predicates.md (binary_float_operator,
13275 binary_logical_operator, commutative_float_operator,
13276 equality_comparison_operator, greater_comparison_operator,
13277 less_comparison_operator, logical_operator,
13278 noncommutative_float_operator, shift_operator,
13279 symbol_ref_operand, unary_float_operator): Remove redundant
13282 2006-01-09 Jeff Law <law@redhat.com>
13284 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13285 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13286 now unused arguments. Callers updated.
13287 (eliminate_redundant_computations): Remove now unused arguments,
13289 (local_fold): Remove, no longer used.
13290 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13292 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13293 (simplify_cond): New function.
13294 (forward_propagate_into_cond): Call simplify_cond.
13296 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13298 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13299 (*vec_extractv2di_1_sse): New.
13301 2006-01-09 Ben Elliston <bje@au.ibm.com>
13303 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13305 2006-01-08 Richard Guenther <rguenther@suse.de>
13307 * tree-ssa-structalias.c (get_constraint_for): Remove
13308 anyoffset argument.
13309 (get_constraint_for_component_ref): Likewise.
13310 (do_deref): Likewise.
13311 (get_constraint_for): Likewise.
13312 (do_structure_copy): Likewise.
13313 (handle_ptr_arith): Likewise.
13314 (find_func_aliases): Likewise. Remove unused need_anyoffset
13317 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13318 Kaz Kojima <kkojima@gcc.gnu.org>
13320 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13321 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13322 (EXTRA_CONSTRAINT_C16): Remove.
13323 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13324 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13325 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13326 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13327 constants of SHmedia. Handle nested constant expressions of
13329 (andcosts): Fix the costs for SHmedia constants.
13330 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13331 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13332 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13333 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13334 (movv4hi_i, movv2si_i): Likewise.
13335 (movsi_const): Adjust the second operand of ior so to match with
13336 the Csu constraint.
13337 (movdi_const, movdi_const_32bit): Likewise.
13338 (movdi_const_16bit+1): Don't sign-extend LOW.
13339 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13341 (*double_shori): Fix the split condition. Use GEN_INT instead
13342 of get_int_mode calls. Mask lower 16-bit of the argument of
13344 (sym2GOTPLT): Remove.
13345 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13347 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13348 instead of EXTRA_CONSTRAINT_C16.
13350 2006-01-07 Ian Lance Taylor <ian@airs.com>
13351 David Edelsohn <edelsohn@gnu.org>
13353 PR rtl-optimization/25662
13354 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13355 for constant operands instead of simplify_gen_binary.
13356 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13357 after trying simplify_binary_operation
13359 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13361 * tree.c (iterative_hash_expr): Hash decls based on UID.
13363 2006-01-06 Eric Christopher <echristo@apple.com>
13365 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13366 (TARGET_UNWIND_EMIT): Fix spelling.
13367 * target.h (gcc_target): Add except_table_label.
13368 * except.c (output_function_exception_table): Use.
13369 * varasm.c (default_emit_except_table_label): New.
13370 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13372 (asm_out): Add here.
13373 * output.h (default_emit_except_table_label): Prototype.
13374 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13375 * config/darwin.c (darwin_emit_except_table_label): Define.
13376 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13378 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13380 PR tree-optimization/18527
13381 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13382 number_of_iterations_special, number_of_iterations_exit):
13383 Move base and step of an iv to a single structure. Add
13384 no_overflow flag, and use it in # of iterations analysis.
13385 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13386 folded_casts argument.
13387 (simple_iv): Pass base and step in a structure. Set no_overflow
13389 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13390 Evaluate expensiveness of computing # of iterations instead of
13391 the final expression.
13392 * tree-scalar-evolution.h (affine_iv): New structure.
13393 (simple_iv): Declaration changed.
13394 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13395 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13396 find_givs_in_stmt): Changed due to simple_iv change.
13398 2006-01-06 Jeff Law <law@redhat.com>
13401 * tree-cfg.c (bsi_replace): Rename final argument from
13402 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13403 change (stmt -> orig_stmt).
13404 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13405 (bsi_remove): Add new argument. Remove EH information
13407 (verify_eh_throw_table_statements): New function.
13408 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13410 * tree-optimize.c (execute_free_cfg_annotations): Verify
13411 the EH throw statement table after removing annotations.
13412 * except.h (verify_eh_throw_table_statements): Prototype.
13413 * tree-flow.h (bsi_remove): Update prototype.
13414 * tree-vrp.c (remove_range_assertions): Add new argument to
13416 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13417 * tree-complex.c (expand_complex_div_wide): Likewise.
13418 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13419 * tree-tailcall.c (eliminate_tailcall): Likewise.
13420 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13421 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13422 * tree-nrv.c (tree_nrv): Likewise.
13423 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13424 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13425 (combine_blocks): Likewise.
13426 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13427 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13428 (cleanup_control_flow): Likewise.
13429 (remove_forwarder_block): Likewise.
13430 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13431 * tree-sra.c (sra_replace): Likewise.
13432 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13433 (forward_propagate_single_use_vars): Likewise.
13434 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13435 * tree-inline.c (expand_call_inline): Likewise.
13436 * tree-vect-transform.c (vect_transform_loop): Likewise.
13437 * tree-outof-ssa.c (rewrite_trees): Likewise.
13438 * tree-cfg.c (make_goto_expr_edges): Likewise.
13439 (cleanup_dead_labels): Likewise.
13440 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13441 (bsi_move_before, bsi_move_after): Likewise.
13442 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13443 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13445 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13448 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13450 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13451 on non gimple variables. Also add checks at the top for decls and
13453 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13455 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13456 and IMAGPART_EXPR for creating MUST_DEFs.
13457 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13458 and NAME_MEMORY_TAG separately from the DECLs.
13460 2006-01-06 Richard Guenther <rguenther@suse.de>
13462 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13463 annotation, if necessary.
13464 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13465 redundant calls to update_stmt.
13466 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13469 2006-01-05 Richard Henderson <rth@redhat.com>
13471 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13473 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13475 * c-typeck.c: Update copyright date.
13477 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13479 * c-typeck.c (build_c_cast): Always warn when casting
13480 from a pointer to an integer of different size, even if
13481 the node was constant.
13483 2006-01-05 Richard Guenther <rguenther@suse.de>
13485 PR tree-optimization/22555
13486 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13487 if one structure field is an array.
13488 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13489 operands even if we found a subvar, but ignore VOPs in this
13491 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13493 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13495 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13497 PR middle-end/24998
13498 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13500 2006-01-05 Richard Guenther <rguenther@suse.de>
13501 Diego Novillo <dnovillo@redhat.com>
13503 * tree-pass.h (TODO_remove_unused_locals): Define.
13504 * gimple-low.c (expand_var_p, remove_useless_vars,
13505 pass_remove_useless_vars): Remove. Update all users.
13506 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13507 (remove_unused_locals): New function.
13508 * tree-flow.h (remove_unused_locals): Declare.
13509 * passes.c (execute_todo): Call remove_unused_locals if
13510 TODO_remove_unused_locals is set.
13511 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13512 * tree-ssa-dce.c (pass_dce): Likewise.
13513 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13515 2006-01-05 Richard Guenther <rguenther@suse.de>
13517 * tree-flow.h (struct fieldoff): Decompose field to
13518 type, size and decl.
13519 * tree-ssa-alias.c (create_sft): Take type as parameter.
13520 (create_overlap_variables_for): Store type, size and decl
13521 in the fieldoff structure.
13522 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13523 of struct fieldoff.
13524 (push_fields_onto_fieldstack): Likewise.
13525 (create_variable_info_for): Likewise. Use offset for the
13526 SFT name if the decl is not available.
13528 2006-01-04 Paul Brook <paul@codesourcery.com>
13530 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13532 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13534 * lambda-code.c (can_put_in_inner_loop): Relax
13536 (can_put_after_inner_loop): New function.
13537 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13538 (perfect_nestify): Change to make copies and modify uses.
13540 2006-01-04 Richard Henderson <rth@redhat.com>
13542 Merge from gomp branch:
13543 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13544 via integer constant.
13545 (pragma_lex): Remove.
13546 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13547 rather than parsing it.
13548 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13549 handle_pragma_extern_prefix): Add %< %> quotes.
13550 (registered_pragmas): New.
13551 (c_register_pragma_1): New.
13552 (c_register_pragma): Use it.
13553 (c_register_pragma_with_expansion): Likewise.
13554 (c_invoke_pragma_handler): New.
13555 (init_pragma): Use cpp_register_deferred_pragma directly for
13557 * c-pragma.h (enum pragma_kind): New.
13558 (pragma_handler): New.
13559 (c_invoke_pragma_handler): Declare.
13560 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13562 * c-common.h (c_common_pch_pragma): Update decl.
13563 * Makefile.in (c-parser.o): Update dependencies.
13564 (GTFILES): Add c-pragma.h.
13565 * c-parser.c (struct c_token): Add pragma_kind.
13566 (struct c_parser): Add in_pragma.
13567 (c_lex_one_token): Always initialize keyword and pragma_kind.
13568 Extract data for CPP_PRAGMA.
13569 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13570 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13571 Don't allow CPP_PRAGMA_EOL if in_pragma.
13572 (c_parser_consume_pragma): New.
13573 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13574 (c_parser_skip_to_end_of_parameter): Likewise.
13575 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13576 (c_parser_skip_to_pragma_eol): New.
13577 (c_parser_external_declaration): Handle CPP_PRAGMA.
13578 (c_parser_compound_statement_nostart): Likewise.
13579 (c_parser_statement_after_labels): Likewise.
13580 (c_parser_pragma): New.
13581 (pragma_lex): Likewise.
13582 (c_parser_pragma_pch_preprocess): New.
13583 (c_parser_new): Merge into ...
13584 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13586 2006-01-04 Jeff Law <law@redhat.com>
13589 * tree-cfg.c (bsi_replace): Remove the original statement
13590 from the EH throw statement table.
13592 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13594 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13595 make the prototype extern "C" and add throw ().
13598 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13599 and pos non-negative and pos + len <= 32.
13600 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13601 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13602 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13605 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13606 as well as sizes not multiple of component size.
13609 * function.c (instantiate_expr): New function.
13610 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13611 walk its DECL_VALUE_EXPR with instantiate_expr.
13613 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13614 DW_OP_deref{,_size} if address isn't going to be added.
13616 2006-01-04 Ben Elliston <bje@au.ibm.com>
13618 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13619 * config/fp-bit.c: Likewise.
13621 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13623 * dominance.c: Add comment about why we use DFS numbering
13626 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13627 Richard Henderson <rth@redhat.com>
13629 Merge from gomp-branch:
13630 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13631 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13633 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13635 PR rtl-optimization/25578
13636 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13637 pass a parameter to simplify_shift_const if changing ASHIFTRT
13640 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13642 * builtins.c (get_builtin_sync_mem): New function.
13643 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13644 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13645 Call get_builtin_sync_mem to generate mem rtx.
13647 2006-01-03 Richard Guenther <rguenther@suse.de>
13650 * stmt.c (add_case_node): Make sure to clear overflow flags
13653 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13655 Merge from gomp-branch.
13656 * config/sparc/sync.md: New file.
13657 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13658 UNSPECV_LDSTUB): New constants.
13659 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13660 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13661 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13664 2006-01-03 Roger Sayle <roger@eyesopen.com>
13666 * combine.c (reg_subword_p): New predicate to test whether the
13667 destination of a set refers to a subword/piece of a register.
13668 (try_combine): Generalize the code to merge the setting of a
13669 pseudo to a constant followed by a set of a subword of that
13670 register to a constant.
13672 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13674 * basic-block.h (control_flow_graph): Change the type of
13675 x_label_to_block_map to VEC(basic_block,gc) *.
13676 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13677 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13679 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13680 VEC(basic_block,heap) *.
13681 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13682 ssa_prop_fini): Adjust the uses of cfg_blocks.
13684 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13686 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13688 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13689 hashing trees instead of a pointer hash.
13690 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13691 compare for MEM_EXPR.
13693 PR rtl-optimization/25130
13694 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13695 when comparing MEMs for GCSE
13697 2006-01-03 Ben Elliston <bje@au.ibm.com>
13699 * targhooks.h (default_decimal_float_supported_p): Declare.
13700 * targhooks.c (default_decimal_float_supported_p): Define.
13701 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13702 `default_decimal_float_supported_p'.
13703 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13705 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13707 * combine.c (apply_distributive_law <SUBREG>): Check
13708 TRULY_NOOP_TRUNCATION.
13710 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13712 * dwarf2out.c (have_switched_text_section): Delete.
13713 (have_multiple_function_sections): New.
13714 (have_location_lists): Make 'bool'.
13715 (add_AT_loc_list): Use 'true' not '1'.
13716 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13717 (output_loc_list): Use have_multiple_function_sections.
13718 (output_ranges): Likewise.
13719 (dwarf2out_begin_function): Set have_multiple_function_sections if
13721 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13722 Check function_section rather than DECL_SECTION_NAME.
13723 (dwarf2out_finish): Use have_multiple_function_sections.
13724 Don't clear have_location_lists.
13726 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13727 Jan Hubicka <jh@suse.cz>
13729 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13730 case of conditional jump jumping to the next instruction.
13731 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13732 cases of conditional jump jumping to the next instruction.
13734 2006-01-02 Jan Hubicka <jh@suse.cz>
13736 * i386.c (*_cost): Add COSTS_N_INSNS.
13737 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13739 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13742 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13744 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13746 * config/arm/arm.c (all_fpus): Fix comment typo.
13747 * config/darwin.c: Likewise.
13748 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13749 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13750 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13752 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13754 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13755 (rs6000_split_compare_and_swapqhi): New.
13756 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13757 (sync_compare_and_swapqhi_internal): New.
13758 * config/rs6000/rs6000-protos.h: Declare.