1 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6 (rev_branch_insn): Likewise.
8 2006-07-27 Jan Hubicka <jh@suse.cz>
10 PR rtl-optimization/28071
11 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
12 (reg_set_in_bb, max_reg_computed): New static variables.
13 (regmove_optimize): Free the new array.
14 (fixup_match_1): Update call of reg_is_remote_constant_p.
16 2006-07-26 Jan Hubicka <jh@suse.cz>
18 PR tree-optimization/27882
19 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
21 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
23 (cgraph_analyze_compilation_unit): Likewise.
24 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
25 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
26 (cgraph_early_inlinine): Make order garbage collected.
27 * Makefile.in (gt-ipa-inline): New garbagecollected file.
29 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
31 * dbxout.c (output_types_sort): Add a comment.
32 (output_used_types): Free the VEC.
34 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
36 * function.c (reorder_fix_fragments): Delete.
37 (reorder_blocks): Don't call it.
38 (reorder_blocks_1): Put all subblocks under the origin block.
40 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
42 PR rtl-optimization/27907
43 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
46 2006-07-25 Roger Sayle <roger@eyesopen.com>
49 * convert.c (convert_to_integer): When transforming (T)foo(x) into
50 bar(x) check that bar's result type can represent all the values of T.
52 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
54 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
56 2006-07-25 Nick Clifton <nickc@redhat.com>
58 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
60 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
61 (ggc_pch_count_object): Likewise.
62 (ggc_pch_alloc_object): Likewise.
63 (ggc_pch_write_object): Likewise.
64 (init_ggc): Do not attempt to initialize entries in the
65 size_lookup[] array for objects whose size is greater than than
66 the length of the array.
68 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
70 * dbxout.c (output_used_types_helper): Push queued types
72 (output_types_sort): New.
73 (output_used_types): Collect used types on a VEC and sort them
76 2006-07-24 Richard Guenther <rguenther@suse.de>
79 * cgraph.c (cgraph_remove_node): Do not check if dumps
81 * cgraphunit.c (cgraph_optimize): Likewise.
83 2006-07-24 Jan Hubicka <jh@suse.cz>
85 PR rtl-optimization/28071
86 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
87 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
88 splitting before first stmt.
90 2006-07-24 Jan Hubicka <jh@suse.cz>
92 PR rtl-optimization/28071
93 * ipa-inline.c (update_caller_keys): Remove edges that
94 are no longer inline candidates.
96 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
99 * dbxout.c (output_used_types_helper, output_used_types): New.
100 (dbxout_symbol): Call output_used_types.
102 2006-07-23 Jan Hubicka <jh@suse.cz>
106 * cgraph.c (cgraph_varpool_nodes): Export.
107 (decide_is_variable_needed): Ignored "used" attribute in
109 * cgraph.h (cgraph_varpool_nodes): Declare.
110 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
113 2006-07-23 Roger Sayle <roger@eyesopen.com>
116 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
117 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
118 the __gthrw form of thr_keycreate.
119 (__gthread_key_delete): Silence the unused argument warning.
121 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
124 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
125 Cache the last found '\0' marker to avoid quadratic behavior.
127 2006-07-23 Jan Hubicka <jh@suse.cz>
129 * i386.md (subsi_3_zext): Fix output template.
131 2006-07-21 Mike Stump <mrs@apple.com>
133 * doc/invoke.texi (C++ Dialect Options): Note that
134 -fvisibility-inlines-hidden doesn't affect explicitly
135 instantiationed inline methods.
137 2006-07-20 Roger Sayle <roger@eyesopen.com>
139 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
140 if the target assembler is GNU binutils' gas.
141 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
142 whether to pass GNU gas or native as command line options.
144 2006-07-20 Jason Merrill <jason@redhat.com>
146 * tree.c (remove_attribute): New fn.
147 * tree.h: Declare it.
149 2006-07-20 Paul Brook <paul@codesourcery.com>
152 * cse.c (cse_insn): Add destination addresses to hash table. Check if
153 they are invalidated by this instruction.
155 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
158 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
160 2006-07-20 Eric Christopher <echristo@apple.com>
163 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
165 2006-07-19 Eric Christopher <echristo@apple.com>
167 * config/t-slibgcc-darwin (stmp-lipo): Remove.
168 Rewrite dependencies for libgcc_s.1.dylib.
170 2006-07-19 Jakub Jelinek <jakub@redhat.com>
172 * except.c (duplicate_eh_regions_1): Clear next_peer.
174 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
176 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
177 -mlongcall does not guarantee all calls will be long.
178 * doc/extend.texi (long_call/short_call): Document that longcall
179 does not guarantee a long call will be used.
180 (longcall/shortcall): Likewise.
182 2006-07-18 Roger Sayle <roger@eyesopen.com>
185 * expmed.c (expand_shift): Additionally check that the shift_cost
186 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
187 before implementing a LSHIFT_EXPR as a sequence of additions.
188 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
189 middle-end that DImode shifts need to be synthesized by expand.
191 2006-07-18 Diego Novillo <dnovillo@redhat.com>
194 * tree-ssa-operands.c (access_can_touch_variable): Update
196 Return true if ALIAS is .GLOBAL_VAR.
198 2006-07-18 David Daney <ddaney@avtrex.com>
200 * gcc.c (display_help): Fix typo in help text.
202 2006-07-18 Olivier Hainque <hainque@adacore.com>
204 * tree.h (categorize_ctor_elements): Adjust prototype and add
205 descriptive comment, both in accordance with the interface change
207 * varasm.c (constructor_static_from_elts_p): New function.
208 Whether a constructor node is a valid static constant initializer
209 if all its elements are.
210 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
211 * output.h: Declare it.
212 * expr.c (categorize_ctor_elements_1): Return whether the constructor
213 is a valid constant initializer instead of computing the number of
214 non-constant elements. Use constructor_static_from_elts_p for this
215 purpose. Replace the head comment with an indication that this is a
216 helper for categorize_ctor_elements.
217 (categorize_ctor_elements): Same interface change as for the _1
218 helper. Former head comment from this helper moved here, adjusted to
219 account for the interface changes.
220 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
221 (all_zeros_p): Likewise.
222 * gimplify.c (gimplify_init_constructor): Decide whether we can make
223 static versions of the constructor from the categorize_ctor_elements
224 return value instead of the formerly computed number of non-constant
227 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
229 * configure: Regenerate.
230 * Makefile.in (build_libsubdir): New configure substitution
231 (build_libobjdir): New variable.
232 (BUILD_LIBIBERTY): Use it.
234 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
237 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
239 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
242 * c-common.c (handle_weakref_attribute): Ignore attribute in
243 the same conditions the alias attribute is ignored.
245 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
247 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
248 (dbxout_begin_prologue): Increment scope_labelno.
250 2006-07-17 Richard Henderson <rth@redhat.com>
253 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
256 2006-07-17 Roger Sayle <roger@eyesopen.com>
257 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
259 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
260 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
261 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
262 functions such as sbrk, write, etc.. Add function prototypes.
263 Convert function declarations from K&R to ISO C. Cast pointers
264 to "long" and "unsigned long" instead of "int" and "unsigned int".
265 Convert tokens following #endif into comments.
267 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
269 * invoke.texi: Remove mention of f77; Reformat table for
270 inline parameter options correctly; mention that -malign-double
271 is default on x86-64 targets.
273 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
275 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
276 (convert_affine_scev, chrec_convert_aggressive): Use
277 avoid_arithmetics_in_type_p. Do not check for the subtypes
280 2006-07-17 Richard Sandiford <richard@codesourcery.com>
283 * optabs.c (expand_doubleword_shift): Wrap the call to
284 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
286 2006-07-17 Richard Sandiford <richard@codesourcery.com>
289 * optabs.c (expand_binop): Pass next_methods rather than methods
290 to expand_doubleword_shift.
292 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
295 * tree.h (dump_addr): Declare.
296 * print-tree.c (dump_addr): New function.
297 (print_node_brief, print_node): Use it.
298 * print-rtl.c (print_rtx): Likewise.
299 * common.opt (-fdump-noaddr): New option.
300 * doc/invoke.texi (-fdump-noaddr): Document.
301 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
302 (ve_info_hash): Likewise.
304 2006-07-13 Andrew Haley <aph@redhat.com>
306 PR tree-optimization/19505
307 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
308 edge leaving this block, make sure that the destination of this
309 block has only one predecessor.
311 2006-07-17 Richard Guenther <rguenther@suse.de>
313 PR tree-optimization/28238
314 * tree-inline.c (copy_bb): Check if we produced valid
315 gimple copying and substituting a stmt. If not, gimplify
318 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
320 * optabs.c (maybe_encapsulate_block): New function extracted from...
321 (emit_libcall_block): ...here. Invoke it on the block of insns to
322 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
323 (emit_no_conflict_block): Likewise.
325 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
327 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
329 2006-07-15 Roger Sayle <roger@eyesopen.com>
331 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
332 a new NOP_EXPR case of the switch statement.
334 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
337 * stor-layout.c (place_field): Take the bit field with
338 an excessive size into account in the ms-bitfiled case.
341 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
342 the previous bit field.
344 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
347 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
349 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
351 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
352 signal frames correctly even when the signal was installed with
355 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
357 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
358 (dbxout_function_end): Use local label LFBB. Remove hook
360 (dbxout_source_line): Use local label LFBB.
361 (dbxout_block): Likewise.
362 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
363 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
364 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
367 2006-07-13 Janis Johnson <janis187@us.ibm.com>
369 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
371 2006-07-13 Jan Hubicka <jh@suse.cz>
373 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
375 * output.h (align_variable): Declare.
376 * varasm.c (align_variable): Export.
377 * value-prof.c (tree_value_profile_transformations): Recompute iterator
378 when basic block changed.
380 2006-07-13 Nick Clifton <nickc@redhat.com>
382 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
383 walking the LOG_LINKS chain.
385 2006-07-12 Geoffrey Keating <geoffk@apple.com>
387 * doc/invoke.texi (C++ Dialect Options): Explain difference
388 between -fvisibility-inlines-hidden and setting hidden
389 visibility explicitly.
391 2006-07-12 Eric Christopher <echristo@apple.com>
393 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
394 (stmp-lipo): Depend on libgcc.a.
396 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
398 * tree.c: Fix a comment typo.
400 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
402 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
404 (umulhisi3_r): Likewise.
406 2006-07-12 Paolo Carlini <pcarlini@suse.de>
409 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
410 x < 19, vs wchar_t support.
412 2006-07-12 Nick Clifton <nickc@redhat.com>
414 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
417 2006-07-12 Mike Stump <mrs@apple.com>
419 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
421 2006-07-10 Eric Christopher <echristo@apple.com>
423 * config/t-slibgcc-darwin: Rewrite.
425 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
428 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
431 2006-07-08 Matthias Klose <doko@debian.org>
433 * doc/sourcebuild.texi: Fix typo.
435 2006-07-07 Mike Stump <mrs@apple.com>
437 * toplev.c (process_options): Don't give -ffunction-sections may
438 affect debugging warning for Mach-O.
440 2006-07-07 James E Wilson <wilson@specifix.com>
442 * config/mips/mips.md (cpu): Add sb1a.
443 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
444 addition to sb1. Adjust comments to clarify SB-1A differences from
446 (ir_sb1a_load): New. Modify bypasses to use it.
447 (ir_sb1a_simple_alu): Likewise.
448 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
449 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
450 (mips_issue_rate): Add PROCESSOR_SB1A.
451 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
452 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
453 (TARGET_SB1): Add PROCESSOR_SB1A check.
454 (TUNE_SB1): Likewise.
456 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
457 * config/mips/mips.c (mips_store_data_bypass_p): New.
458 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
461 2006-07-08 Paul Brook <paul@codesourcery.com>
464 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
466 2006-07-07 Richard Guenther <rguenther@suse.de>
469 * tree.h (build_one_cst): Declare.
470 * tree.c (build_one_cst): New function.
471 * tree-ssa-math-opts.c (get_constant_one): Remove.
472 (insert_reciprocals): Use build_one_cst.
473 * fold-const.c (fold_plusminus_mult): Likewise.
475 2006-07-07 Roger Sayle <roger@eyesopen.com>
477 * pointer-set.c (pointer_set_destroy): Correct whitespace.
478 * cfgloopanal.c (dump_graph): Likewise.
479 * dojump.c (discard_pending_stack_adjust): Likewise.
480 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
482 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
483 * function.c (finalize_block_changes): Likewise.
484 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
485 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
486 * rtl.c (dump_rtx_statistics): Likewise.
487 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
489 * varray.c (dump_varray_statistics): Likewise.
490 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
491 decode_decimal64, encode_decimal128, decode_decimal128,
492 decimal_real_to_decimal): Likewise.
494 2006-07-07 Richard Guenther <rguenther@suse.de>
496 PR tree-optimization/28187
497 * tree-vrp.c (vrp_operand_equal_p): New function.
498 (vrp_bitmap_equal_p): Likewise.
499 (update_value_range): Use them to compare old and new
502 2006-07-06 Roger Sayle <roger@eyesopen.com>
504 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
505 a default case to switch statement to silence compiler warnings.
507 2006-07-06 Roger Sayle <roger@eyesopen.com>
510 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
511 the configured assembler supports the x87's ffreep mnemonic.
512 * configure: Regenerate.
513 * config.in: Regenerate.
515 * config/i386/i386.c (output_387_ffreep): New function.
516 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
517 (output_387_reg_move): Likewise.
519 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
521 Port to hosts whose 'sort' and 'tail' implementations
522 treat operands with leading '+' as file names, as POSIX
523 has required since 2001. However, make sure the code still
524 works on pre-POSIX hosts.
525 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
526 which says you should use "tail -c +N" rather than "tail +Nc".
527 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
529 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
531 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
534 2006-07-06 David Edelsohn <edelsohn@gnu.org>
537 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
538 PRE_{INC,DEC} of TFmode.
540 2006-07-06 David Edelsohn <edelsohn@gnu.org>
541 Alan Modra <amodra@bigpond.net.au>
544 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
547 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
550 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
551 Remove duplicate gtu.
553 2006-07-05 Jason Merrill <jason@redhat.com>
557 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
558 * c-common.c (handle_packed_attribute): So don't copy it here.
559 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
561 2006-07-05 Mike Stump <mrs@apple.com>
563 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
565 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
568 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
570 2006-07-05 Richard Guenther <rguenther@suse.de>
573 * config/i386/i386.md (*negdf2_1): Restrict pattern to
574 TARGET_SSE2 targets if using SSE math.
575 (*absdf2_1): Likewise.
577 2006-07-05 Richard Guenther <rguenther@suse.de>
579 PR tree-optimization/28162
580 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
581 make sure to convert the operands to the correct type.
583 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
585 PR tree-optimization/28218
587 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
588 to calculate and free the dominator information.
590 2006-07-04 Peter O'Gorman <peter@pogma.com>
592 * mklibgcc.in: chmod 644 before ranlib during install.
594 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
595 J"orn Rennecke <joern.rennecke@st.com>
597 * configure.ac (.eh_frame data check): Use diff -b.
599 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
602 * Makefile.in (BUILD_RTL): Add build/vec.o.
603 (build/gencondmd.o): Filter out -fkeep-inline-functions.
604 (build/genextract): Delete.
605 (build/genautomata): Likewise.
607 2006-07-04 Alan Modra <amodra@bigpond.net.au>
610 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
611 128-bit IBM long doubles for ABI_V4.
613 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
615 * tree.c (range_in_array_bounds_p): New predicate.
616 * tree.h (range_in_array_bounds_p): Declare it.
617 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
618 return a less conservative answer.
619 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
621 (IS_ELEMENT_FOR_GROUP): New macro.
622 (FOR_EACH_ACTUAL_CHILD): Likewise.
623 (next_child_for_group): New helper function.
624 (can_completely_scalarize_p): Take into account groups.
625 (sra_hash_tree): Handle RANGE_EXPR.
626 (sra_elt_eq): Likewise.
627 (lookup_element): Be prepared for handling groups.
628 (is_valid_const_index): Delete.
629 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
630 instead of is_valid_const_index.
631 <ARRAY_RANGE_REF>: New case.
632 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
633 is_valid_const_index.
634 <ARRAY_RANGE_REF>: Do not unconditionally punt.
635 (scan_dump): Dump info for groups too.
636 (decide_instantiation_1): Likewise.
637 (decide_block_copy): Assert that the element is not a group.
638 Propagate decision to groups.
639 (generate_one_element_ref): Handle RANGE_EXPR.
640 (mark_no_warning): Iterate over actual childs.
641 (generate_copy_inout): Likewise.
642 (generate_element_copy): Likewise.
643 (generate_element_zero): Likewise.
644 (generate_element_init_1): Likewise.
645 (dump_sra_elt_name): Handle RANGE_EXPR.
647 2006-07-03 Roger Sayle <roger@eyesopen.com>
649 PR tree-optimization/26251
650 * tree-ssa-threadupdate.c (redirection_block_p): New function.
651 (thread_block): When optimizing for size refuse to thread jumps
652 that would require duplication of blocks other than redirection
655 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
657 * configure.ac: Fix thinko in previous check-in.
658 * configure: Regenerate.
660 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
663 * configure.ac (for lang...): Simplify nesting of conditionals.
664 Test subdir_requires for non-enabled languages. Move processing
665 of lang_opt_files and lang_tree_fiels below that test.
666 * configure: Regenerate.
667 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
669 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
671 * doc/gcov.texi (Invoking Gcov): Add a missing word.
673 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
675 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
678 2006-06-29 Jason Merrill <jason@redhat.com>
685 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
686 * c-common.c (c_determine_visibility): Handle it here.
687 * c-decl.c (finish_decl): Call c_determine_visibility for
689 * flags.h (enum symbol_visibility): Sort from most to least visibility.
691 * varasm.c (default_assemble_visibility): Likewise.
692 * c-common.c (handle_visibility_attribute): Complain about trying
693 to give visibility to an already defined class, or trying to change
694 declared visibility. Always attach the attribute.
699 * attribs.c (decl_attributes): Ignore type-in-place attributes
700 once the type has been defined.
702 2006-06-29 Roger Sayle <roger@eyesopen.com>
705 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
706 to indicate the cpplib has issued an error message for us.
708 2006-06-29 Asher Langton <langton2@llnl.gov>
711 * config/i386/i386.c (ix86_output_function_epilogue): Don't
712 insert a label at the end of an function under Mach-O.
714 2006-06-29 Eric Christopher <echristo@apple.com>
715 Evan Cheng <evan.cheng@apple.com>
717 * predicates.md (vector_all_ones_operand): New.
718 (nonimmediate_or_sse_const_operand): Ditto.
719 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
720 * config/i386/i386.c (standard_sse_constant_opcode): Define.
721 (standard_sse_mode_p): Ditto.
722 (standard_sse_constant_p): Add case for -1 vector.
723 (ix86_expand_vector_move): Try to use.
724 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
725 Call standard_sse_constant_opcode.
726 (*movv4sf_internal): Ditto.
727 (*movv2df_internal): Ditto.
729 2006-06-29 Roger Sayle <roger@eyesopen.com>
731 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
732 of XEXP to extract the operands of a MATCH_CODE rtx.
734 2006-06-28 Andrew Pinski <pinskia@gmail.com>
736 * tree.c (tree_size): Do not waste tail padding in
737 struct tree_string and make the size be the same as
738 build_string will generate.
740 2006-06-28 Jason Merrill <jason@redhat.com>
743 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
744 may_aliases already in the tag's annotations to the bitmap.
746 2006-06-28 Roger Sayle <roger@eyesopen.com>
748 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
750 2006-06-28 Roger Sayle <roger@eyesopen.com>
752 * genpreds.c (generate_switch_p): New function.
753 (add_mode_tests): Push the new mode test down inside an AND expr
754 if this allows the switch-suitable MATCH_CODE to be near the root.
755 (write_match_code_switch): New function to write a MATCH_CODE as
757 (write_predicate_stmts): New function to write a predicate RTX
758 expression as a sequence of statements.
759 (write_one_predicate_function): Use write_predicate_stmts.
760 (write_tm_constrs_h): Likewise.
762 2006-06-26 Fred Fish <fnf@specifix.com>
764 * config/mips/t-sb1: New file.
765 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
768 2006-06-26 DJ Delorie <dj@redhat.com>
770 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
772 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
773 Jayant Sonar <jayants@kpitcummins.com>
774 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
776 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
777 (subsi3, subsi3_1, subsi3_2): New.
778 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
779 * config/m32c/mov.md (SI mov peephole): New.
780 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
781 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
783 2006-06-26 Olivier Hainque <hainque@adacore.com>
785 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
786 a CALL_EXPR target function declaration.
788 2006-06-26 Richard Guenther <rguenther@suse.de>
790 * tree.c (build_string): Do not waste tail padding in
793 2006-06-26 Richard Guenther <rguenther@suse.de>
795 * ggc-page.c (init_ggc): Add missing element to size_lookup
799 2006-06-23 Richard Guenther <rguenther@suse.de>
801 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
802 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
803 alignment requests instead. Add verification code.
804 Add struct tree_function_decl and struct tree_binfo size to
805 extra_order_size_table. Add missing element to size_lookup
808 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
811 * fold-const.c (const_binop): Be prepared for self returning zero.
812 Simplify code handling complex values.
814 2006-06-24 Olivier Hainque <hainque@adacore.com>
816 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
817 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
820 2006-06-24 Olivier Hainque <hainque@adacore.com>
822 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
823 ARRAY_REF, so have the callback called for the low bound expression.
825 2006-06-23 Janis Johnson <janis187@us.ibm.com>
827 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
828 * c-typeck.c (c_common_type): Disallow operations on decimal float
829 types and other float types.
830 * convert.c (convert_to_real): Don't ignore conversions involving
833 2006-06-23 Olivier Hainque <hainque@adacore.com>
835 * tree.c (max_int_size_in_bytes): New function, inspired from
836 code in function.c:assign_temp.
837 * tree.h (max_int_size_in_bytes): Declare.
838 * function.c (assign_temp): Use it.
839 * gimplify.c (create_tmp_var): Relax the assertions on the type
840 properties, not mandating constant size any more.
841 (force_constant_size): New static function.
842 (gimple_add_tmp_var): Use it, forcing variable size to a
843 constant upper bound if it is not constant on entry.
845 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
848 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
849 for initialization and setting of one_only flag to ...
850 (i386_pe_encode_section_info): ...here.
851 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
852 Recheck that the symbol has not been defined.
854 2006-06-23 Richard Guenther <rguenther@suse.de>
856 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
857 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
858 alignment requests instead. Add verification code.
859 Add struct tree_function_decl and struct tree_binfo size to
860 extra_order_size_table. Add missing element to size_lookup
863 2006-06-22 Roger Sayle <roger@eyesopen.com>
864 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
867 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
868 call to lang_hooks.types.type_for_mode returned NULL_TREE.
870 2006-06-23 Ben Elliston <bje@au.ibm.com>
872 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
873 negate dn -- manipulate it directly.
875 2006-06-22 Roger Sayle <roger@eyesopen.com>
876 Steven Bosscher <stevenb.gcc@gmail.com>
879 * reload1.c (gen_reload): Call mark_jump_label on the new insns
880 generated by gen_move_insn to add REG_LABEL notes if necessary.
882 2006-06-22 Bob Wilson <bob.wilson@acm.org>
884 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
885 (leaf_entry): Remove use of MIN_ESA.
887 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
889 PR rtl-optimization/28121
890 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
893 2006-06-21 DJ Delorie <dj@redhat.com>
895 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
897 (mulhisi3_r): Likewise.
899 2006-06-21 Richard Sandiford <richard@codesourcery.com>
902 * coverage.c (coverage_counter_alloc): Leave the index type
904 (coverage_counter_alloc): Use null arguments for operands 2 and 3
907 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
909 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
910 section from the "Options for Code Generation Conventions".
912 2006-06-21 Richard Henderson <rth@redhat.com>
916 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
918 (global_symbolic_operand): Allow weak symbols, even if local_p.
920 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
922 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
923 (find_interesting_uses_address): Punt if above function returns true.
925 2006-06-21 Richard Guenther <rguenther@suse.de>
927 * configure: Regenerated.
929 2006-06-21 Joseph Myers <joseph@codesourcery.com>
931 * config/mips/mips.c (function_arg): Where one part of a
932 complex argument is in registers and the other part in the stack,
933 return a REG not a PARALLEL.
935 2006-06-21 Mark Mitchell <mark@codesourcery.com>
937 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
938 when cross-compiling. Do not substitute libstdcxx_incdir.
939 * configure: Regenerated.
941 2006-06-21 Jakub Jelinek <jakub@redhat.com>
943 * varasm.c (mergeable_string_section): Check for embedded NULs and
944 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
945 rather than TREE_STRING_LENGTH bytes.
947 2006-06-21 Richard Guenther <rguenther@suse.de>
949 * ggc-page.c (extra_order_size_table): Add var_ann_d,
950 tree_ssa_name, bitmap_element and phi_node with 4 arguments
953 2006-06-21 Richrad Guenther <rguenther@suse.de>
955 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
956 Limit iteration over the dominators.
958 2006-06-20 Roger Sayle <roger@eyesopen.com>
960 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
961 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
963 2006-06-20 Richard Guenther <rguenther@suse.de>
964 Michael Matz <matz@suse.de>
966 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
968 * alloc-pool.c (free_alloc_pool_if_empty): New function.
969 * et-forest.h (et_free_pools): Prototype new function.
970 * et-forest.c (et_free_tree_force): Free parent occurrence.
971 (et_free_pools): New function.
972 * dominance.c (free_dominance_info): Free et-forest alloc
975 2006-06-20 Roger Sayle <roger@eyesopen.com>
977 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
978 integer modes, attempt to directly construct an integer constant.
980 * fold-const.c (native_encode_vector): Determine the size of each
981 element from the vector type instead of the first vector element.
983 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
984 if all of its elements/components are constant.
985 (build_constructor_from_list): Likewise.
987 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
989 PR tree-optimization/27331
990 * tree-data-ref.c (free_data_ref): New function.
991 (create_data_ref): Fail if the data reference has unknown access
993 (free_data_refs): Use free_data_ref.
995 2006-06-19 Andrew Pinski <pinskia@gmail.com>
998 * tree-inline.c (setup_one_parameter): Strip useless
999 type conversion before adding it to the IR.
1000 (declare_return_variable): Likewise.
1002 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1005 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1007 2006-06-19 Mike Stump <mrs@apple.com>
1009 * tree.c (variably_modified_type_p): VM arguments don't make the
1012 2006-06-19 Richard Guenther <rguenther@suse.de>
1014 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1015 type conversions after folding.
1017 2006-06-19 Richard Guenther <rguenther@suse.de>
1019 * ggc-page.c (extra_order_size_tab): Add entries with
1020 size of struct function and basic_block.
1021 (size_lookup): Extend to cover sizes up to 511.
1022 (ggc_alloc_stat): Adjust user.
1023 (ggc_pch_count_object): Likewise.
1024 (ggc_pch_alloc_object): Likewise.
1025 (ggc_pch_write_object): Likewise.
1027 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1029 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1030 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1033 2006-06-19 Denis Chertykov <denisc@overta.ru>
1035 * config/avr/libgcc.S : Correct my wrong previous commit.
1037 2006-06-19 Roger Sayle <roger@eyesopen.com>
1040 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1041 have stripped a SUBREG from the shift count, so we may need to
1042 convert_to_mode back to the type's mode before calling make_tree.
1043 Use new_amount instead of amount to avoid expanding a tree twice.
1045 2006-06-19 Richard Guenther <rguenther@suse.de>
1048 * fold-const.c (operand_equal_p): Check if the argument types
1049 have the same precision before stripping NOPs.
1051 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1053 Fix PR tree-optimization/27341
1054 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1056 * tree-complex.c (pass_lower_complex): Update SMT usage.
1058 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1060 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1061 Add a new alternative to the constraint strings. Add move of
1062 operand 1 to 3 to the splitter definition.
1063 ("doloop_si_long"): Second contraint alternative removed.
1065 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1067 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1068 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1070 (AVR_HAVE_MOVW) Define.
1071 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1072 (ASM_SPEC): Add avr25.
1073 (LINK_SPEC): Add avr25.
1074 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1075 (base_arch_s): Add new member 'have_movw_lpmx'.
1076 (avr_arch_types): Init 'have_movw_lpmx'.
1077 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1078 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1079 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1080 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1081 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1083 (avr_file_start): Do not output '.arh' derective.
1084 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1085 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1086 * config/avr/avr.md (mcu_enhanced): Delete.
1087 (mcu_have_movw): Define.
1088 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1089 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1090 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1091 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1092 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1093 attiny861 and at86rf401 devices.
1095 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1097 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1100 2006-06-17 Karl Berry <karl@gnu.org>
1102 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1103 doc/gccint.texi, doc/install.texi (@dircategory): Use
1104 "Software development" instead of "Programming", following
1105 the Free Software Directory.
1107 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1109 * config/i386/i386.c (legitimate_tls_address)
1110 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1111 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1112 (*tls_dynamic_gnu2_combine_64): Likewise.
1114 2006-06-16 Richard Guenther <rguenther@suse.de>
1117 * fold-const.c (negate_expr_p): Do not introduce undefined
1118 overflow in negating INTEGER_CSTs.
1119 (fold_negate_expr): Rename from negate_expr. Revert last
1120 change for folding BIT_NOT_EXPR. Change semantics to
1121 return NULL_TREE for non-simplified negations. Do not
1122 strip type conversions and unify type handling.
1123 (negate_expr): New function, wrap around fold_negate_expr
1124 but ensure building a tree always. Strip type conversions
1125 here, fold to result type.
1126 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1128 2006-06-16 Roger Sayle <roger@eyesopen.com>
1131 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1132 that (would) return their results in stack registers.
1134 2006-06-16 Michael Matz <matz@suse.de>
1135 Richard Guenther <rguenther@suse.de>
1137 * fold-const.c (fold_truthop): Only return new tree node if
1138 we canonicalized something.
1140 2006-06-16 Richard Guenther <rguenther@suse.de>
1142 * function.h (enum function_frequency): Move declaration
1143 out of struct function.
1144 (struct function): Move bool fields and the enum to the bitfield
1145 section. Reorder elements to avoid padding. Remove unused
1146 fields left over from the RTL inliner removal.
1147 * function.c (free_after_compilation): Do not zero removed fields.
1148 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1149 (ipa-type-escape.o): Likewise.
1151 2006-06-16 Richard Guenther <rguenther@suse.de>
1153 * cgraph.h (struct cgraph_local_info): Turn bool elements
1155 (struct cgraph_node): Likewise.
1156 (struct cgraph_varpool_node): Likewise.
1158 2006-06-15 Richard Guenther <rguenther@suse.de>
1160 * fold-const.c (fold_truth_not_expr): Rename from
1161 invert_truthvalue. Give it fold_* semantics to avoid
1163 (invert_truthvalue): New function. Wrapper around
1164 fold_truth_not_expr.
1165 (optimize_minmax_comparison): Avoid creating garbage.
1166 (fold_unary): Use fold_truth_not_expr for folding
1168 (fold_ternary): Replace uses of invert_truthvalue with
1169 fold_truth_not_expr where applicable.
1170 * tree.h (fold_truth_not_expr): Prototype.
1172 2006-06-16 Richard Guenther <rguenther@suse.de>
1174 PR tree-optimization/27781
1175 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1176 * ipa-pure-const.c (target.h): Include.
1177 (analyze_function): Do not analyze functions that do not
1180 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1183 * tree-dfa.c (referenced_vars_dup_list): Remove.
1184 (find_referenced_vars): Remove assert.
1185 (referenced_var_check_and_insert): Replace dup list with assert.
1186 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1187 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1189 2006-06-15 Richard Guenther <rguenther@suse.de>
1191 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1192 extra unused identifiers if not dumping.
1193 (create_variable_info_for): Likewise.
1195 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1197 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1198 (derive_constant_upper_bound): Derive more precise upper bound in
1199 common cases. Return type changed to double_int.
1200 (record_estimate): Reflect the changed return type of
1201 derive_constant_upper_bound.
1202 * double-int.c (double_int_zext, double_int_sext): Fix.
1204 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1206 * configure.ac (CFLAGS): Get them from the toplevel or from the
1207 configure invocation.
1208 * configure: Regenerate.
1209 * Makefile.in (CFLAGS): Substitute value provided by configure.
1211 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1214 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1215 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1216 rather than calling add_stmt on it.
1217 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1219 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1222 * reload1.c (reload): Remove registers returned by update_eliminables
1223 from used_spill_regs.
1225 2006-06-13 DJ Delorie <dj@redhat.com>
1227 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1229 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1231 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1232 html__strip_dir, html__mkdir_p. Enhance install-html target.
1233 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1234 * configure: Regenerate.
1236 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1238 * fold-const.c (fold_cond_expr_with_comparison): Check for
1239 Objective-C++ as language in deciding COND_EXPR transformation.
1241 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1244 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1245 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1246 * config/sh/lib1funcs.h (SL, SL1): Define.
1247 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1248 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1249 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1250 (OBJS_Os_4_200): New variable.
1251 ($(T)libgcc-Os-4-200.a): Use it.
1252 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1253 when dividing 1 and/or by 0.
1255 2006-06-13 Roger Sayle <roger@eyesopen.com>
1257 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1258 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1259 * configure: Regenerate.
1261 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1263 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1264 for real instruction.
1266 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1269 * haifa-sched.c (check_cfg): Handle special case.
1271 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1274 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1275 Add debug_info parameter. Chain the vars to the BLOCK instead
1276 of the BIND_EXPR if debug info are requested for them.
1277 (pop_gimplify_context): Adjust for above change.
1278 (gimple_add_tmp_var): Likewise.
1279 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1281 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1282 (convert_local_reference): Likewise.
1283 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1284 (finalize_nesting_tree_1): Request that debug info be emitted
1285 for debug_var_chain.
1287 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1289 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1290 for PR target/27863.
1292 2006-06-13 Richard Guenther <rguenther@suse.de>
1295 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1297 2006-06-13 Richard Guenther <rguenther@suse.de>
1299 PR tree-optimization/27830
1300 * tree-inline.c (copy_body_r): For copying the operand
1301 of an ADDR_EXPR make sure to fold &* afterwards.
1303 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1305 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1306 lvalues in the fb_none case with side-effects.
1308 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1310 * tree-flow.h: Remove the prototype for
1311 compute_phi_arg_on_exit.
1312 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1313 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1316 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1318 * builtins.c (expand_builtin_return_addr): Only use
1319 frame_pointer_rtx when count == 0 and we are expanding
1320 __builtin_return_address.
1322 2006-06-12 Fred Fish <fnf@specifix.com>
1324 * config/mips/mips.c (mips_file_start): Create special section
1325 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1327 2006-06-11 Eric Christopher <echristo@apple.com>
1330 * stor-layout.c (place_field): Remove check for
1331 remaining_in_alignment when aligning at the end of a run.
1333 2006-06-11 Eric Christopher <echristo@apple.com>
1336 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1339 2006-06-11 Roger Sayle <roger@eyesopen.com>
1342 Revert incorrect fix for PR target/27158
1343 2006-05-08 Roger Sayle <roger@eyesopen.com>
1344 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1345 of a reg_equiv_constant if the result is a legitimate constant.
1347 2006-06-11 Roger Sayle <roger@eyesopen.com>
1350 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1351 extract a CONST_VECTOR element and interpret it as an integer.
1352 (vspltis_constant): Use const_vector_elt_as_int instead of the
1353 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1354 * config/rs6000/predicates.md (easy_vector_const): Consider
1355 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1357 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1360 * stor-layout.c (update_alignment_for_field): Don't add extra
1361 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1364 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1366 * config/mips/t-rtems: Add EL/EB multilib variants.
1368 2006-06-09 Mike Stump <mrs@apple.com>
1370 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1372 2006-06-09 David Daney <ddaney@avtrex.com>
1374 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1376 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1378 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1380 2006-06-09 Richard Guenther <rguenther@suse.de>
1382 PR tree-optimization/26998
1383 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1384 of signed types, only TYPE_MIN_VALUE is special, but for both,
1385 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1386 in this case, as is -fwrapv.
1388 2006-06-08 Mike Stump <mrs@apple.com>
1391 * config/darwin.c (darwin_asm_output_anchor): Disable
1392 -fsection-anchors on darwin for now.
1393 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1394 * rs6000/rs6000.c (optimization_options): Likewise.
1396 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1399 * config/i386/i386.c (classify_argument): Skip fields with invalid
1402 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1404 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1405 (cse_insn): Likewise for the stack_pointer_rtx.
1407 2006-06-08 Roger Sayle <roger@eyesopen.com>
1409 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1410 conditions from floating point comparisons.
1412 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1415 * expmed.c (struct alg_hash_entry): Fix type of field T
1416 to match synth_mult argument.
1417 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1419 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1422 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1425 2006-06-08 Richard Guenther <rguenther@suse.de>
1428 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1429 only, if overflow is defined and not trapping.
1430 (negate_expr): Likewise.
1432 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1434 PR tree-optimization/27872
1435 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1436 flag on the new exit edge of the unrolled loop.
1438 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1440 PR rtl-optimization/26449
1441 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1443 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1446 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1447 referenced_variables with matching DECL_UID's.
1448 (find_referenced_vars): Make sure duplicate list is empty to start.
1449 (referenced_var_p): Remove.
1450 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1451 Check if var is in the list, and add if needed. Update the duplicate
1452 list if a different var is in the list with the same DECL_UID.
1453 (add_referenced_var): Call routine to check and insert.
1454 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1455 * tree-flow.h (referenced_vars_dup_list): External declaration.
1457 2006-06-07 Fred Fish <fnf@specifix.com>
1459 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1462 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1465 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1466 the imaginary and real parts of a clobbered register.
1467 Emit insn to set the imaginary part.
1469 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1471 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1472 in lieu of unwind-dw2-fde.c.
1474 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1476 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1478 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1481 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1482 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1483 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1484 V4SImode temporaries and operations instead.
1486 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1488 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1491 2006-06-06 Mike Stump <mrs@apple.com>
1493 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1494 installing during build.
1496 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1498 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1500 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1501 * config/ia64/ia64.c (params.h): New header.
1502 (ia64_optimization_options): New function to adjust parameters.
1503 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1504 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1505 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1507 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1509 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1511 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1514 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1516 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1517 Victor Kaplansky <victork@il.ibm.com>
1519 PR tree-optimization/26360
1520 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1523 2006-06-04 Roger Sayle <roger@eyesopen.com>
1524 Andrew Pinski <pinskia@physics.uc.edu>
1527 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1528 for LABEL_DECL before calling DECL_WEAK.
1531 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1532 LABEL_DECL and PARM_DECL.
1534 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1538 * c-decl.c (grokdeclarator): Disallow variably modified types at
1539 file scope. Avoid marking shared array type of constant size as
1542 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1545 * c-common.c (fold_offsetof_1): Handle static members.
1547 2006-06-04 Eric Christopher <echristo@apple.com>
1549 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1550 (debug_rli): Output value for remaining_in_alignment.
1551 (update_alignment_for_field): Unconditionalize
1552 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1553 extra alignment code.
1554 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1555 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1556 * tree.h (record_layout_info_s): Remove prev_packed.
1557 * doc/extend.texi (ms_struct): Add documentation of format.
1559 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1561 * tree.h: Declare folding_initializer.
1562 * builtins.c (fold_builtin_constant_p): Give definite answer
1563 if folding inside an initializer.
1564 * fold-const.c: Define folding_initializer.
1565 (START_FOLD_INIT): Save and then set folding_initializer.
1566 (END_FOLD_INIT): Restore folding_initializer.
1568 2006-06-04 Richard Guenther <rguenther@suse.de>
1570 PR tree-optimization/27039
1571 * fold-const.c (fold_comparison): Handle pointer comparison
1572 again for all comparison codes. Compare offsets in signed
1574 (fold_binary): Move code from here.
1576 2006-06-03 Roger Sayle <roger@eyesopen.com>
1579 * config/i386/i386.c (construct_container): Split static issued_error
1580 flag into issued_sse_arg_error, issued_sse_ret_error and
1581 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1582 requires the use of x87 registers and the user explicitly
1583 specified the -mno-80387 command line option.
1585 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1587 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1588 HAVE_DECL_SIGALTSTACK.
1590 (segv_handler): Use MC_FLD.
1591 * configure.ac: Check for a sigaltstack declaration.
1592 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1593 * configure: Regenerate.
1594 * config.in: Regenerate.
1596 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1599 * Makefile.in (stmp-fixinc): Fix typo.
1601 2006-06-02 Roger Sayle <roger@eyesopen.com>
1603 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1604 are type correct. Clean-up.
1605 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1606 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1608 2006-06-01 DJ Delorie <dj@redhat.com>
1610 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1611 shift, as we've disabled the "switch" insn that needs it.
1613 2006-06-01 Per Bothner <bothner@bothner.com>
1615 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1616 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1617 * c-ppoutput.c (cb_define): Don't increment line 0.
1619 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1621 * doc/invoke.texi: Add cpu_type power6.
1622 * config.gcc: Add cpu_type power6.
1623 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1624 to power5+ with Altivec.
1625 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1626 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1628 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1630 * config/avr/avr.h (SET_ASM_OP): Define.
1632 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1634 * config/bfin/bfin.c: Fix comment typos.
1636 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1639 * doc/install.texi: Document --enable-bootstrap and
1640 --disable-bootstrap.
1642 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1644 * doc/install.texi: Document that InfoZIP can replace jar.
1646 2006-05-31 Roger Sayle <roger@eyesopen.com>
1648 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1649 isn't available, directly generate the simpler x87 patterns without
1650 the (use (const_int 0)).
1651 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1652 implementation isn't available.
1653 (*negdf2_1): Likewise.
1654 (*negxf2_1): XF mode negation is always done using the x87.
1655 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1657 2006-05-31 Roger Sayle <roger@eyesopen.com>
1659 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1660 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1662 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1664 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1666 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1667 * config/bfin/bfin.c (basic-block.h): Include.
1668 (struct machine_function): New.
1669 (bfin_init_machine_status): New.
1670 (override_options): Initialize init_machine_status.
1671 (bfin_hardware_loop): New.
1672 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1673 (DEF_VEC_P (loop_info)): New.
1674 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1675 (struct loop_info): New.
1676 (loop_info): New typedef.
1677 (struct loop_work): New.
1678 (loop_work): New typedef.
1679 (DEF_VEC_O (loop_work)): New.
1680 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1681 (bfin_dump_loops): New.
1682 (bfin_bb_in_loop): New.
1683 (bfin_scan_loop): New.
1684 (bfin_optimize_loop): New.
1685 (bfin_reorg_loops): New.
1686 (bfin_reorg): Use bfin_reorg_loops.
1687 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1689 (I_REGNO_P): Simplify.
1690 (DP_REGNO_P, DPREG_P): New macros.
1691 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1692 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1693 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1694 Add LT_REGS, LC_REGS, LB_REGS.
1695 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1697 (REGNO_REG_CLASS): Deal with loop registers.
1698 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1700 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1701 New constants for loop registers.
1702 (UNSPEC_LSETUP_END): New.
1703 (seq_insns): New define_attr. Set it for appropriate insns.
1704 (movsi_insn): Add alternatives for move from/to
1705 loop count registers.
1706 (doloop_end): New define_expand.
1707 (loop_end): New define_insn.
1708 (define_split for bad doloop_end): New.
1709 (lsetup_with_autoinit): New define_insn.
1710 (lsetup_without_autoinit): New define_insn.
1711 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1712 * config/bfin/predicates.md (lc_register_operand): New.
1713 (lt_register_operand): New.
1714 (lb_register_operand): New.
1715 (nondp_register_operand): New.
1716 (nondp_reg_or_memory_operand): New.
1717 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1719 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1721 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1722 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1724 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1726 * Makefile.in (CATALOGS): Add po/ prefix.
1727 * configure: Regenerated.
1729 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1732 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1733 a shift operand before calling shift_op. Avoid redundant call of
1736 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1737 DJ Delorie <dj@redhat.com>
1739 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1740 we're inserting is a singlt-bit constant.
1742 2006-05-30 Roger Sayle <roger@eyesopen.com>
1744 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1745 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1747 2006-05-30 Roger Sayle <roger@eyesopen.com>
1749 PR tree-optimization/23452
1750 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1751 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1752 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1753 complex values and with -ffast-math for FP complex values.
1755 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1757 * c-common.h: Remove the prototype for yyparse.
1758 * rtl.h: Remove the prototype for init_loop.
1760 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1762 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1765 2006-05-30 Roger Sayle <roger@eyesopen.com>
1767 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1769 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1770 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1772 2006-05-30 Dirk Mueller <dmueller@suse.de>
1775 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1776 for CONSTANT_CLASS_P expresisons.
1778 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1781 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1783 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1785 PR tree-optimization/27779
1786 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1787 initial_condition instead of CHREC_LEFT.
1789 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1791 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1792 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1793 Make prototypes ISO C90.
1795 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1796 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1798 * see.c (see_analyze_one_def): Correct check.
1799 (see_get_extension_data): Check if extension is parallel.
1800 (see_get_extension_reg): Likewise.
1802 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1805 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1806 into register for (code == GTU).
1808 2006-05-29 Roger Sayle <roger@eyesopen.com>
1810 PR tree-optimization/24964
1811 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1812 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1813 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1814 abs(x)*abs(x) as x*x for scalar floating point modes.
1816 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1819 * lambda-code.c (perfect_nestify): Don't copy statements
1820 in the inner loop: move them to the inner loop header.
1822 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1825 * c-tree.texi: Document OpenMP directives and clauses.
1827 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1829 * varasm.c (globalize_decl): Fix indentation.
1831 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1834 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1835 pass_fre, pass_store_ccp, pass_copy_prop,
1836 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1837 pass_return_slot, pass_object_size, pass_lim,
1838 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1839 pass_loop_prefetch and pass_stdarg.
1841 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1843 * config/bfin/bfin.opt (mfdpic): New option.
1844 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1845 (EXTRA_MULTILIB_PARTS): Likewise.
1846 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1847 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1849 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1850 (CRT_CALL_STATIC_FUNCTION): New.
1851 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1853 (CRT_CALL_STATIC_FUNCTION): New.
1854 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1856 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1857 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1858 (initialize_trampoline): Changed to handle FD-PIC code generation.
1859 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1860 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1861 (override_options): Disallow -mid-shared-library -mfdpic combination.
1862 Can't do unaligned ops if FD-PIC.
1863 Turn off flag_pic if trying to generate non-id-shared-library
1864 non-fdpic code, since it's not supported.
1865 (bfin_assemble_integer): New function.
1866 (TARGET_ASM_INTEGER): Define.
1867 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1869 * config/bfin/crtn.s: Restore them.
1870 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1872 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1873 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1874 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1875 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1876 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1878 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1879 FDPIC_REGS and FDPIC_FPTR_REGS.
1880 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1881 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1882 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1883 (load_funcdescsi): New pattern.
1884 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1885 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1886 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1888 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1890 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1893 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1895 * tree-flow.h: Remove the prototype for add_type_alias.
1896 * tree-ssa-alias.c (add_type_alias): Remove.
1898 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1900 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1901 config/fr30/fr30.md, config/i386/i386-interix.h,
1902 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1903 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1904 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1905 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1906 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1907 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1908 Follow spelling conventions.
1909 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1910 Follow spelling conventions.
1912 2006-05-27 Richard Guenther <rguenther@suse.de>
1915 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1916 to produce a constant of value 1 of generic type.
1918 2006-05-27 Dirk Mueller <dmueller@suse.de>
1920 * cgraphunit.c (decide_is_function_needed): Fix wrong
1923 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1925 PR rtl-optimization/27661
1926 * reload.c (find_reloads): When reloading a VOIDmode constant
1927 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1928 use Pmode as mode of the reload register.
1930 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1932 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1933 is enabled at -O and above.
1935 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1938 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1941 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1944 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1945 for anonymous variables explicitly declared by front ends.
1947 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1949 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1950 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1951 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1952 ref-all pointers, run a finalization pass for them.
1953 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1954 (finalize_ref_all_pointers): New function.
1955 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1956 regular pointer type to a ref-all pointer type.
1957 (get_tmt_for): Return the special memory tag for ref-all pointers.
1959 2006-05-25 Richard Guenther <rguenther@suse.de>
1962 * fold-const.c (fold_binary): Do not look at the stripped
1963 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1965 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1967 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1968 for LT and GT if the computed range is effectively empty.
1970 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1973 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1974 mips_quad_format formats instead of ieee_single_format,
1975 ieee_double_format and ieee_quad_format formats, respectively.
1977 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1979 PR tree-optimization/27639
1980 PR tree-optimization/26719
1981 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1982 call to scev_probably_wraps_p.
1983 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1984 used_in_pointer_arithmetic_p, convert_step): Removed.
1985 (nowrap_type_p): New function.
1986 (scev_probably_wraps_p): Rewritten.
1987 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1988 chrec_convert if chrec_convert_aggressive might have been used.
1989 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1990 scev_direction): New functions.
1991 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1992 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1993 instead of convert_step.
1994 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1995 (convert_step): Declaration removed.
1996 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1998 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2000 * df-core.c: Added to header comments.
2001 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2002 df_ur_bb_info, df_urec_bb_info): Added comments.
2003 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2004 urec, ri problems): Fixed header comments.
2005 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2006 code from df_rd_transfer_function.
2008 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2010 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2011 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2012 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2014 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2016 * expr.c (undefined_operand_subword_p): New.
2017 (emit_move_multi_word): Do not generate move from undefined bits
2018 of a paradoxical subreg.
2020 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2022 PR rtl-optimization/27736
2023 * combine.c (replaced_rhs_value): New variable.
2024 (combine_instructions): Set it.
2025 (distribute_notes): When distributing a note in replaced_rhs_insn,
2026 check whether the value was used in replaced_rhs_value.
2028 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2031 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2032 add_referenced_var instead of add_referenced_tmp_var.
2033 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2034 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2036 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2037 tree_optimize_tail_calls_1): Use add_referenced_var.
2038 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2039 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2040 Use add_referenced_var.
2041 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2042 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2043 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2044 Use add_referenced_var.
2045 * tree-dfa.c (struct walk_state): Remove.
2046 (find_referenced_vars): Remove walk state and vars_found hash table.
2047 (make_rename_temp): Use add_referenced_var.
2048 (find_vars_r): Pass less parameters to add_referenced_var.
2049 (referenced_var_p): New. Is var in referenced_var hash table.
2050 (referenced_var_insert): Assert var isn't already in hash table.
2051 (add_referenced_var): Don't need walk_state parameter. Add var if it
2052 isn't already in the hash table.
2053 (add_referenced_tmp_var): Remove.
2054 (find_new_referenced_vars_1): Use add_referenced_var.
2055 * tree-ssa-pre.c (create_expression_by_pieces,
2056 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2057 Use add_referenced_var.
2058 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2059 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2060 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2062 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2063 vect_create_data_ref_ptr, vect_create_destination_var,
2064 vect_init_vector, vect_build_loop_niters,
2065 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2066 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2067 Use add_referenced_var.
2068 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2069 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2070 (add_referenced_var): Add prototype.
2071 * tree-ssa-structalias.c (get_constraint_for,
2072 intra_create_variable_infos): Use add_referenced_var.
2074 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2076 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2077 big-endian paradoxical subregs.
2078 * var-tracking.c (struct micro_operation_def): Document that,
2079 for modify micro operations, insn is the subsequent instruction.
2080 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2081 (var_reg_set, var_mem_set): ... new functions.
2082 (add_stores): Record subsequent insn.
2083 (compute_bb_dataflow): Use new functions for MO_USE.
2084 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2085 notes after the insn, and modify notes before the insn known
2086 to be the subsequent one.
2087 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2089 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2092 * config/i386/i386.c (ix86_expand_builtin): Use
2093 gen_sse3_monitor64 for TARGET_64BIT.
2095 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2097 PR rtl-optimization/26375
2098 PR rtl-optimization/26855
2099 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2101 (df_ru_bb_local_compute): Reversed statements and removed bogus
2102 comment explaining why they should be in wrong order.
2103 (df_ru_dump, df_rd_dump): Enhanced debug info.
2104 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2106 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2107 reaching uses and fixed space problem.
2109 2006-05-23 Jan Hubicka <jh@suse.cz>
2111 * cgraphunit.c (decide_is_function_needed): Also nested functions
2112 and functions declared inline can be optimized out at -O0.
2114 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2116 * doc/install.texi (Configuration): Remove reference to CrossGCC
2120 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2123 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2124 ix86_compare_emitted is non-NULL.
2126 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2129 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2132 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2134 PR rtl-optimization/25514
2135 * combine.c (replaced_rhs_insn): New variable.
2136 (combine_instructions): Set replaced_rhs_insn when trying to replace
2137 a SET_SRC with a REG_EQUAL note.
2138 (distribute_notes): Use replaced_rhs_insn when determining the live
2139 range of a REG_DEAD register.
2141 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2142 Anatoly Sokolov <aesok@post.ru>
2144 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2145 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2146 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2147 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2148 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2149 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2150 at90usb647, at90usb1286 and at90usb1287 devices.
2151 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2152 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2154 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2156 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2158 2006-05-22 Richard Guenther <rguenther@suse.de>
2161 2006-01-31 Richard Guenther <rguenther@suse.de>
2162 Paolo Bonzini <bonzini@gnu.org>
2164 * doc/install.texi (--disable-libgcc-math): Document.
2166 2006-05-22 Richard Guenther <rguenther@suse.de>
2169 2006-01-31 Richard Guenther <rguenther@suse.de>
2171 * doc/invoke.texi (-msselibm): Document.
2172 * target.h (expand_library_builtin): New target hook.
2173 * builtins.c (expand_builtin): Use expand_library_builtin.
2174 (default_expand_library_builtin): New function.
2175 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2176 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2177 (link_gcc_math_spec): Declare.
2178 (static_specs): Add link_gcc_math_spec.
2179 * expr.h (default_expand_library_builtin): Declare.
2180 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2181 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2182 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2183 * config/i386/i386.opt (msselibm): New target option.
2184 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2185 (ix86_init_sse_abi_builtins): New function.
2186 (ix86_expand_library_builtin): Likewise.
2187 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2188 (override_options): Handle error conditions wrt -msselibm.
2189 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2190 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2191 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2194 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2197 * c-common.c (self_promoting_args_p): Skip erroneous args.
2200 * c-decl.c (finish_struct): Skip erroneous fields.
2202 2006-05-22 Nick Clifton <nickc@redhat.com>
2204 * config/cris/cris.opt (march): Remove VarExists attribute.
2205 (max-stackframe=): Likewise.
2207 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2209 * doc/rtl.texi: Fix a typo.
2210 * see.c: Fix comment typos.
2212 * tree-ssa-structalias.h (alias_info): Remove num_references.
2214 2006-05-21 Mike Stump <mrs@apple.com>
2216 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2218 (darwin_pragma_options): Use BAD instead.
2219 (darwin_pragma_unused): Likewise.
2220 (darwin_pragma_ms_struct): Likewise.
2222 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2224 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2226 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2228 PR rtl-optimization/27671
2229 * simplify-rtx.c (simplify_relational_operation_1): Fix
2230 simplifications of (eq/ne (xor x y) y) and
2231 (eq/ne (xor x y) x).
2233 PR tree-optimization/26622.
2234 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2237 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2239 * tree-cfg.c: Prune whitespace.
2240 (debug_tree_cfg): Point to correct header containing the
2243 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2246 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2248 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2251 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2252 or sorry count is non zero.
2254 2006-05-20 Andreas Schwab <schwab@suse.de>
2256 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2258 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2259 Kenneth Zadeck <zadeck@naturalbridge.com>
2261 PR rtl-optimization/26855
2263 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2265 (df_scan_alloc): Added code to properly handle multiword hard
2266 registers and add all_blocks parameter.
2267 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2268 code to properly handle multiword hard registers.
2269 (df_rescan_blocks): Added code to remove deleted blocks from
2271 (df_ref_create_structure, df_ref_record): Added code to properly
2273 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2274 and set DF_REF_PARTIAL.
2275 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2276 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2277 (df_scan_add_problem): Added flags parameter.
2278 (df_ref_create_structure): Changed switching structure.
2279 (df_bb_refs_record): Fixed case where duplicate artificial refs
2280 were created. Changed location of flags.
2281 (df_record_entry_block_defs): Added code to make stack pointer
2282 live in entry block. Refined cases where frame pointer is needed.
2283 Changed location of flags.
2284 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2285 (df_set_state): Removed function.
2286 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2287 df_insn_create_insn_record, df_insn_refs_delete,
2288 df_ref_create_structure): Formatting changes.
2289 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2290 df_delete_basic_block): New function.
2291 (df_init): Changed location of flags.
2292 (df_add_problem): Added flags parameter and the way flags are
2294 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2295 debug_df_chain): Improved debugging output.
2296 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2297 (df_refs_chain_dump): Removed df parameter.
2298 (df_iterative_dataflow): Added consistency check.
2299 (df_prune_to_subcfg): Made public.
2300 (df_analyze_problem): Added blocks_to_init parameter and made
2302 (df_ref_record, df_bb_refs_record, df_mark_reg,
2303 df_record_exit_block_uses): Whitespace changes.
2304 (df_dump): Whitespace changes.
2305 * df.h: Some reordering to remove forward references.
2306 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2307 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2308 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2309 (dataflow.flags): New field.
2310 (df.flag): Deleted field.
2311 (df_alloc_function): Added additional bitmap parameter.
2312 (df_dependent_problem_function): New type.
2313 (df_problem.changeable_flags): New field.
2314 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2315 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2316 (df_mw_hardreg): New struct.
2317 (DF_INSN_UID_MWS): New macro.
2318 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2320 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2321 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2322 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2323 (df_set_state): Removed function.
2324 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2325 * df-problems.c (df_chain_dump): Removed df parameter.
2326 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2327 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2329 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2330 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2331 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2332 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2333 DF_REF_MUST_CLOBBER cases.
2334 (df_ru_bb_local_compute_process_def,
2335 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2336 df_lr_bb_local_compute, df_ur_bb_local_compute,
2337 df_chain_create_bb): Made subreg aware.
2338 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2339 df_lr_bb_local_compute, df_lr_bb_local_compute,
2340 df_chain_create_bb): Cleanup to use proper macros.
2341 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2342 code to fixup bitvectors.
2343 (df_ri_alloc): Cleared lifetime.
2344 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2345 df_create_unused_note): New function.
2346 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2347 REG_DEAD and REG_UNUSED notes as well as register information.
2348 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2349 df_chains_dump): Fixed crash if problem was never run.
2350 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2351 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2352 df_ri_add_problem): Processes flags in uniform manner.
2353 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2354 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2355 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2356 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2357 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2358 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2359 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2360 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2361 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2362 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2363 * see.c (see_initialize_data): Ditto.
2364 * final.c (rest_of_clean_state) Added regstack_completed.
2365 * rtl.h (regstack_completed): Ditto.
2366 * reg-stack.c (regstack_completed): Ditto.
2368 2006-05-19 Mike Stump <mrs@apple.com>
2370 * c-tree.h (default_conversion): Remove.
2371 * c-common.h (default_conversion): Add.
2373 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2375 * tree-vrp.c (valid_value_p): New function.
2376 (adjust_range_with_scev): Fail if the value of bound is not
2379 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2381 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2382 (mips_fallback_frame_state): Use syscall numbers to determine
2383 the appropriate li instruction for the current ABI. Only use
2384 __NR_sigreturn for o32.
2386 2006-05-19 Nicolas Setton <setton@adacore.com>
2388 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2389 * langhooks.c (lhd_dwarf_name): New function.
2390 * langhooks-def.h (lhd_dwarf_name): Declare.
2391 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2392 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2393 * ada/misc.c (gnat_dwarf_name): New function.
2394 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2396 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2398 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2400 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2401 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2402 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2403 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2404 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2405 determine the size of Wtype, etc.
2406 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2407 (swfloatfuncs): New variable.
2408 (dwfloatfuncs): Likewise.
2409 (lib2funcs): Remove floating-point conversion functions from
2410 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2411 the set of conversion routines needed. Allow entries to specify
2412 an object name, filename and word size. Update users accordingly.
2413 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2414 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2418 2006-02-08 Roger Sayle <roger@eyesopen.com>
2421 * config/fixtfdi.c: New libgcc source file.
2422 * config/fixunstfdi.c: New source file.
2423 * config/floatditf.c: New source file.
2424 * config/floatunditf.c: New souce file.
2425 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2426 files above instead of config/mips/_tilib.c.
2427 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2429 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2431 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2432 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2434 2006-05-18 Mike Stump <mrs@apple.com>
2436 Fix up vla, vm and [*] sematics.
2442 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2443 (c_vla_unspec_p): Add.
2444 (c_vla_type_p): Add.
2445 * c-decl.c (struct c_scope): Add had_vla_unspec.
2446 (build_array_declarator): Add support for [*].
2447 (grokdeclarator): Likewise.
2448 (grokparms): Likewise.
2449 (get_parm_info): Likewise.
2450 * c-objc-common.c (c_vla_unspec_p): Likewise.
2451 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2452 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2453 typeof when argument is a variably modified type not inside sizeof or alignof.
2454 (c_parser_direct_declarator_inner): Propagate errors.
2455 (c_parser_sizeof_expression): Add support for [*].
2456 (c_parser_parms_declarator): Initialize had_vla_unspec.
2457 (c_parser_parms_list_declarator): Likewise.
2458 * c-typeck.c (c_vla_type_p): Add.
2459 (composite_type): Add support for vla compositing.
2460 (comptypes_internal): Add support for vla compatibility.
2461 (c_expr_sizeof_expr): Evaluate vla arguments.
2462 * tree.c (variably_modified_type_p): Update comment for [*].
2464 2006-05-18 Michael Matz <matz@suse.de>
2467 * config.host: Make assignments to host_xmake_file cumulative.
2468 * config.host (*-darwin*): Test $host, not $target.
2470 2006-05-12 Stuart Hastings <stuart@apple.com>
2472 * config/i386/i386.opt (-mstackrealign): New flag.
2473 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2474 (ix86_handle_cconv_attribute): Emit error when
2475 force_align_arg_pointer attribute collides with too many regparms.
2476 (ix86_function_regparm): Limit regparms when used with
2477 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2478 Support stack-realigning prologue in non-main functions. Emit
2479 warning for nested functions under -mstackrealign, emit error for
2480 nested functions with force_align_arg_pointer attribute.
2481 * doc/extend.texi (force_align_arg_pointer): Document it.
2482 * doc/invoke.texi (-mstackrealign): Document it.
2484 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2486 PR rtl-optimization/27477
2487 * combine.c (try_combine): Don't split a parallel consisting
2488 of two sets into two individual sets if both sets reference
2491 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2493 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2494 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2496 * doc/options.texi (VarExists): Updated.
2498 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2500 * unwind-dw2.c: Add declarations for uw_update_context and
2502 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2503 detected, advance frame state and context once to skip over stub.
2505 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2509 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2510 Call rewrite_into_loop_closed_ssa only when something changed.
2511 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2512 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2513 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2514 Test for perfect_nest_p here. Fix formating.
2515 (replace_uses_equiv_to_x_with_y): Fix formating.
2516 (stmt_uses_op): Removed.
2517 (can_convert_to_perfect_nest): Removed loopivs parameter.
2518 Complete the test by checking the scalar dependences.
2519 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2522 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2525 From Dan Kegel <dank@kegel.com>:
2526 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2528 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2530 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2531 if the element type is variably modified without recursing.
2533 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2536 * tree-loop-linear.c (try_interchange_loops): Test for
2537 no data dependences.
2539 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2541 PR tree-optimization/27548
2542 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2543 range of ssa names that appear on abnormal edges.
2544 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2545 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2547 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2550 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2552 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2555 * tree.h (OMP_PARALLEL_COMBINED): Define.
2556 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2557 (new_omp_context): Add is_combined_parallel argument.
2558 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2559 new_omp_context caller.
2560 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2561 Adjust gimplify_scan_omp_clauses callers.
2562 (omp_is_private): Issue errors if iteration variable is firstprivate
2563 or reduction in the current context.
2564 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2565 on combined parallel workshare constructs.
2567 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2569 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2570 (gcc-options.o): New rule.
2572 * optc-gen.awk: Protect variables for gcc-options.o with
2573 #ifdef GCC_DRIVER/#endif.
2575 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2577 Fix PR tree-optimization/27373
2578 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2579 (forward_propagate_addr_expr): Update call.
2581 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2583 * doc/options.texi: Move the Negative option.
2585 2006-05-16 Richard Guenther <rguenther@suse.de>
2587 PR tree-optimization/22303
2588 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2590 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2591 ccp_fold did not simplify the statement.
2593 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2596 * Makefile.in (GCC_OBJS): New.
2597 (OBJS-common): Add opts-common.o.
2598 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2599 (cpp$(exeext)): Likewise.
2600 (gcc.o): Also depend on opts.h.
2601 (opts-common.o): New.
2603 * common.opt (gcoff): Add Negative(gdwarf-2).
2604 (gdwarf-2): Add Negative(gstabs).
2605 (gstabs): Add Negative(gstabs+).
2606 (gstabs+): Add Negative(gvms).
2607 (gvms): Add Negative(gxcoff).
2608 (gxcoff): Add Negative(gxcoff+).
2609 (gxcoff+): Add Negative(gcoff).
2610 * config/i386/i386.opt (m32): Add Negative(m64).
2611 (m64): Add Negative(m32).
2613 * doc/options.texi: Document the Negative option.
2615 * gcc.c: Include "opts.h".
2616 (main): Call prune_options after expandargv.
2618 * optc-gen.awk: Generate common declarations for all flag
2619 variables in options.c. Output the neg_index field.
2621 * opts.c (find_opt): Moved to ...
2622 * opts-common.c: Here. New file.
2624 * opts.h (cl_option): Add a neg_index field.
2626 (prune_options): Likewise.
2628 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2631 * omp-low.c (expand_omp_parallel): Don't assert
2632 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2633 instead search for it.
2636 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2639 2006-05-16 Andreas Schwab <schwab@suse.de>
2641 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2644 2006-05-15 Roger Sayle <roger@eyesopen.com>
2647 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2648 integer constants other than zero are only legitimate on TARGET_64BIT.
2649 <CONST_VECTOR> Only zero vectors are legitimate.
2650 (ix86_cannot_force_const_mem): Integral and vector constants can
2651 always be put in the constant pool.
2653 2006-05-16 DJ Delorie <dj@redhat.com>
2655 * crtstuff.c (__dso_handle): Set section from
2656 TARGET_LBIGCC_SDATA_SECTION if defined.
2657 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2658 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2660 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2663 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2666 2006-05-16 Ben Elliston <bje@au.ibm.com>
2668 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2670 2006-05-15 Per Bothner <per@bothner.com>
2672 * tree.c: (last_annotated_node): Use source_locus typedef.
2673 This permits bootstrapping with --enable-mapped-location.
2675 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2677 PR tree-optimization/26830
2678 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2679 (info_for_ssa_name, current_info_for_ssa_name_age,
2680 blocks_to_update): New variables.
2681 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2682 (clear_ssa_name_info, initialize_flags_in_bb,
2683 mark_block_for_update): New functions.
2684 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2685 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2686 prepare_def_site_for): Use mark_block_for_update.
2687 (mark_def_interesting): Assert that the processed block is marked in
2688 blocks_to_update. Do not take blocks argument.
2689 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2691 (rewrite_update_init_block, rewrite_update_stmt): Only process
2692 blocks with statements to rewrite.
2693 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2694 (update_ssa): Initialize and free blocks_to_update. Do not
2695 clear flags on statements. Do not use blocks bitmap.
2696 * tree.h (SSA_NAME_AUX): Removed.
2697 (struct tree_ssa_name): Removed aux field.
2698 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2700 2006-05-15 Richard Guenther <rguenther@suse.de>
2702 PR tree-optimization/27603
2703 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2704 Do computations in original type.
2706 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2708 * see.c: Code style changes such as redundant paranthesis,
2709 redundant intialization of local variables etc.
2710 (see_main): Declared now as static.
2711 * doc/invoke.texi: Update that -fsee is not enabled by
2714 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2716 * omp-low.c (check_omp_nesting_restrictions): New function.
2717 (scan_omp_1): Call it.
2720 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2721 construct, return *VAR.
2723 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2725 PR rtl-optimization/27406
2726 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2729 2006-05-14 Roger Sayle <roger@eyesopen.com>
2731 PR rtl-optimization/27538
2732 * combine.c (expand_compound_operation): Call gen_lowpart
2733 before calling simplify_shift_const.
2735 2006-05-14 Roger Sayle <roger@eyesopen.com>
2737 PR rtl-optimization/22563
2738 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2739 a fixed width bitfield, always force the intermediates into psuedos.
2741 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2744 * mkconfig.sh: Use operator = instead of == for test.
2746 2006-05-13 Nick Clifton <nickc@redhat.com>
2748 * dwarf2out.c (dbx_reg_number): Check return value from
2749 LEAF_REG_REMAP and only use it if it is valid.
2750 (multiple_reg_loc_descriptor): Likewise.
2752 2006-05-13 Richard Guenther <rguenther@suse.de>
2754 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2757 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2759 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2760 information attached to non-INSNs such as NOTEs.
2761 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2763 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2765 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2767 * config/s390/s390.md: Adjust comment describing On constraint.
2769 2006-05-11 Jan Hubicka <jh@suse.cz>
2771 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2772 to be output at -O0.
2774 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2777 * fold-const.c (size_binop): Move sanity check for arguments to
2778 the beginning of the function.
2781 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2784 2006-05-11 Richard Guenther <rguenther@suse.de>
2787 * fold-const.c (fold_unary): Handle intermediate conversion
2788 to a pointer type like intermediate conversion to an integer
2789 type in folding of (T1)(T2)var to var.
2790 Match the code to the comment in the final conversion for
2791 (T1)(T2)var to (T1)var regarding to type precision. Rather
2792 than disallow T1 being of pointer type, assert that both T1
2793 and var are of pointer type or not. Make sure not to fall
2794 over the frontends lazyness wrt array to pointer decay though.
2796 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2798 * arm.c (arm_struct_value_rtx): Delete.
2799 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2800 (arm_init_cumulative_args): Always initialize nregs to zero.
2802 2006-05-10 Richard Guenther <rguenther@suse.de>
2804 PR tree-optimization/27532
2805 * tree-object-size.c (plus_expr_object_size): Fix typo.
2807 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2810 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2811 ashrdi_const, ashrdi3): Use a scratch register.
2813 2006-05-10 Richard Guenther <rguenther@suse.de>
2815 PR tree-optimization/27302
2816 * fold-const.c (operand_equal_p): For two comparisons,
2817 try comparison of one comparison code swapped if that yields
2820 2006-05-10 Ben Elliston <bje@au.ibm.com>
2822 * tree-pretty-print.c (pretty_print_string): No need to handle
2823 '\0' as a special character.
2825 * tree.h: Include "hashtab.h".
2826 (iterative_hash_expr): Use hashval_t in its prototype.
2827 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2829 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2832 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2833 (hppa*64*-*-hpux11*): Ditto.
2834 (hppa[12]*-*-hpux11*): Ditto.
2836 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2839 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2841 2006-05-09 Michael Matz <matz@suse.de>
2843 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2844 host_extra_gcc_objs and host_xmake_file.
2845 (<*-*-linux*>): Don't overwrite host_xmake_file.
2846 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2847 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2848 (host_detect_local_cpu): Declare.
2849 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2850 * config/i386/i386.c (override_options): Handle -mtune=native
2852 * config/i386/x-i386: New file.
2853 * config/i386/driver-i386.c: New file.
2854 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2857 2006-05-09 Dirk Mueller <dmueller@suse.de>
2858 Richard Guenther <rguenther@suse.de>
2861 * fold-const.c (fold_read_from_constant_string): Relax check
2862 for matching types to matching modes.
2864 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2866 PR rtl-optimization/27335
2867 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2870 2006-05-08 Chao-ying Fu <fu@mips.com>
2871 Richard Sandiford <richard@codesourcery.com>
2873 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2874 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2875 * config/mips/mips.md (UNSPEC_SCC): New constant.
2876 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2877 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2878 (mips_emit_compare): Use it.
2879 (mips_expand_vcondv2sf): New function.
2881 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2883 Fix PR tree-optimization/27093
2884 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2885 renaming when they become not-used_alone.
2887 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2889 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2890 relocation and relocation stubs.
2892 2006-05-08 Eric Christopher <echristo@apple.com>
2894 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2897 2006-05-08 Jan Hubicka <jh@suse.cz>
2900 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2901 unused static functions are needed.
2903 2006-05-08 Roger Sayle <roger@eyesopen.com>
2906 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2907 of a reg_equiv_constant if the result is a legitimate constant.
2909 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2912 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2913 standard 80387 constants, raise the cost to prevent
2914 compress_float_constant() to generate load from memory.
2916 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2918 * config/arm/constraints.md (c): Fix a typo.
2920 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2923 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2926 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2928 (_mm_mwait): Likewise.
2930 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2932 (sse3_monitor): Make it 32bit only.
2933 (sse3_monitor64): New. 64bit monitor.
2935 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2938 * config/i386/i386.c (classify_argument): Skip fields with invalid
2941 2006-05-07 Richard Guenther <rguenther@suse.de>
2943 PR tree-optimization/27409
2944 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2945 Do not try to find zero-sized subvars.
2947 2006-05-07 Richard Guenther <rguenther@suse.de>
2949 PR tree-optimization/27136
2950 * tree-ssa-loop-niter.c (get_val_for): Correct function
2951 comment, assert requirements.
2952 (loop_niter_by_eval): Stop processing if the iterated
2953 value did not simplify.
2955 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2957 * opts.c (flag_see): remove its setting at -O3.
2959 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2961 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2962 * arm/constraints.md: New file.
2963 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2964 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2965 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2966 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2967 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2968 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2969 * arm.md: Include constraints.md.
2970 (thumb_movsi_insn): Use satisfies_constraint_J.
2971 (movhi, movqi): Use satisfies_constraint_I.
2973 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2975 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2976 for atmeg a645 device.
2978 2006-05-06 Richard Guenther <rguenther@suse.de>
2980 PR tree-optimization/27151
2981 * tree-vect-transform.c (vectorizable_condition): Punt on
2982 values that have a different type than the condition.
2984 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2987 * c-parser.c (c_parser_cast_expression): Only insert casts into
2988 hash table if pointer.
2989 * function.c (used_types_insert_helper): Rename from
2991 (used_types_insert): Call used_types_insert_helper.
2992 * function.h (used_types_insert): Accept only one argument.
2994 2006-05-05 David Edelsohn <edesohn@gnu.org>
2996 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2997 scratch with output modifier.
2999 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3002 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3003 with output modifier.
3005 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3008 * config/mips/mips.c (mips_symbolic_address_p): Return true
3009 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3010 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3012 2006-05-04 Richard Guenther <rguenther@suse.de>
3014 PR tree-optimization/14287
3015 PR tree-optimization/14844
3016 PR tree-optimization/19792
3017 PR tree-optimization/21608
3018 PR tree-optimization/27090
3019 * tree-ssa-pre.c (try_combine_conversion): New function.
3020 (compute_avail): After constructing the value-handle
3021 expression, use try_combine_conversion to combine NOP_EXPRs
3022 with previous value-handle expressions and use the result if it
3025 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3027 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3029 2006-05-04 Jan Hubicka <jh@suse.cz>
3032 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3034 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3036 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3037 that this only matches CONST_INTs. All users changed to VOIDmode
3040 * config/bfin/bfin.c: Include "optabs.h".
3041 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3043 (enum bfin_builtins): Add a number of fractional and vector builtins.
3044 (bfin_init_builtins): Likewise.
3045 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3046 (safe_vector_operand, bfin_expand_binop_builtin,
3047 bfin_expand_unop_builtin): New functions.
3048 (bfin_expand_builtin): Handle the new builtins.
3049 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3052 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3055 * Makefile.in (OBJS-common): Add see.o.
3056 (see.o): Add dependencies.
3057 * common.opt (fsee): New flag for the see optimization was added.
3058 * opts.c (flag_see): Initialized.
3059 * passes.c (init_optimization_passes, pass_see): New pass.
3060 * rtl.h (see_main): Declaration as extern.
3061 * timevar.def (TV_SEE): New.
3062 * tree-pass.h (pass_see): Declaration as extern.
3063 * invoke.texi (-fsee): Document.
3064 * recog.c (validate_simplify_insn): New function.
3065 * recog.h (validate_simplify_insn): Declaration as extern.
3066 * df-problems.c (df_chain_dump): Check for NULL.
3068 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3069 Daniel Berlin <dberlin@dberlin.org>
3071 * cfgrtl.c (insert_insn_bb_end_new): New function.
3072 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3074 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3076 * df.h (struct web_entry): Moved from web.c.
3077 (union_defs): Declaration as extern.
3078 (unionfind_root): Likewise.
3079 (unionfind_union): Likewise.
3080 * web.c (struct web_entry): Moved to df.h.
3081 (unionfind_root): Remove static declaration.
3082 (unionfind_union): Likewise.
3083 (union_defs): Likewise and generalize to use callback function.
3084 (web_main): Update arguments for union_defs function call.
3086 2006-05-04 Richard Guenther <rguenther@suse.de>
3088 PR tree-optimization/26447
3089 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3090 produce SSA_NAME copies before the store stmt to avoid
3091 breaking exception handling.
3093 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3096 * gimplify.c (omp_is_private): If var is shared in some outer context,
3097 return false instead of true. Stop searching on parallel context
3100 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3103 * coverage.c: Use get_gcov_unsigned_t() instead of
3104 unsigned_type_node all over.
3106 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3108 PR tree-optimization/27381
3109 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3110 maintain the same immediate_use links.
3111 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3112 node rather than segfaulting.
3114 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3117 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3118 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3119 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3121 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3123 Fix PR tree-optimization/26626
3124 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3126 * tree-ssa-operands.c (access_can_touch_variable): Allow
3127 typecasting through union pointers.
3129 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3132 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3133 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3134 to find if var will be a global variable even in the nested context.
3135 (omp_copy_decl): Only check for global variable at the end, it might
3136 be overridden in outer contexts.
3137 (scan_sharing_clauses): For global variables don't create a field.
3138 (lower_rec_input_clauses): Do nothing for global shared variables.
3139 Emit a barrier at the end of ILIST if there were any decls in both
3140 firstprivate and lastprivate clauses.
3141 (lower_send_clauses): Do nothing for global variables except for
3144 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3146 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3147 of the correct signedness is returned.
3149 2006-05-02 Jeff Law <law@redhat.com>
3151 PR tree-optimization/27364
3152 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3153 multiply expressions.
3155 2006-05-02 Tom Tromey <tromey@redhat.com>
3157 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3159 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3162 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3163 -mthumb -fPIC are used.
3165 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3166 Joshua Kinard <kumba@gentoo.org>
3169 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3170 with 64-bit pointers.
3172 2006-05-02 Paul Brook <paul@codesourcery.com>
3174 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3176 (create_fix_barrier): Check that a suitable barrier location is
3178 (arm_reorg): Include ftmp->address in allowable range of addresses.
3180 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3183 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3186 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3189 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3190 around RESULT_DECL for result passed by reference.
3191 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3192 * omp-low.c (use_pointer_for_field): Don't look at
3193 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3194 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3195 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3196 time or var for passing by reference for
3197 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3198 TREE_ADDRESSABLE variables when passing by reference.
3200 * omp-low.c (dump_omp_region): Fix output formatting.
3203 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3204 (expand_omp_parallel): Likewise.
3205 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3208 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3209 on statement list containing also constructors and destructors.
3210 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3213 * except.c (duplicate_eh_regions): Fix clearing of
3214 cfun->eh->region_array entries.
3216 2006-05-01 DJ Delorie <dj@redhat.com>
3218 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3220 (gcc_cv_objdump): Likewise.
3221 * configure: Regenerated.
3223 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3226 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3227 templates for case 3 and 4.
3229 2006-05-01 DJ Delorie <dj@redhat.com>
3231 * vec.c: Include bconfig.h when appropriate.
3232 * Makefile.in (build/vec.o): Adjust dependencies.
3233 * mkconfig.sh: Make sure config.h isn't used for build machine
3236 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3238 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3240 (mark_phi_for_rewrite): New function.
3241 (insert_phi_nodes_for, mark_use_interesting): Call
3242 mark_phi_for_rewrite.
3243 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3244 (update_ssa): Initialize and free phis_to_rewrite.
3246 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3248 PR rtl-optimization/27291
3249 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3250 folded to a constant.
3252 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3254 PR tree-optimization/27283
3255 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3256 not whole # of iteration descriptions.
3257 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3258 uses abnormal ssa name.
3259 (niter_for_single_dom_exit): Ditto.
3260 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3261 return just the number of iterations.
3263 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3265 PR tree-optimization/27144
3266 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3267 (record_estimate): Only record constant upper bound.
3268 (infer_loop_bounds_from_undefined): Call
3269 compute_estimated_nb_iterations just once.
3270 (proved_non_wrapping_p): Renamed to ...
3271 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3272 (convert_step_widening, scev_probably_wraps_p): Call
3273 n_of_executions_at_most instead of proved_non_wrapping_p.
3274 (substitute_in_loop_info): Do not replace values in bounds.
3275 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3278 2006-05-01 Richard Henderson <rth@redhat.com>
3281 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3282 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3285 2006-05-01 Roger Sayle <roger@eyesopen.com>
3287 * c-typeck.c (parser_build_binary_op): Don't call the function
3288 unsigned_conversion_warning to spot operand/result type overflow.
3289 (build_binary_op): Instead, call convert_and_check instead of
3290 convert to report the problem when the operands are promoted.
3291 * c-common.c (unsigned_conversion_warning): Make static.
3292 * c-common.h (unsigned_conversion_warning): Delete prototype.
3294 2006-05-01 Richard Guenther <rguenther@suse.de>
3296 PR tree-optimization/26726
3297 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3299 (find_interesting_uses_address): ... we work around here
3300 by folding INDIRECT_REFs in the substituted base.
3302 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3304 * omp-low.c (dump_omp_region): Add newlines.
3306 2006-04-30 Roger Sayle <roger@eyesopen.com>
3308 * common.opt (Woverflow): New command line option.
3309 * c-common.c (constant_expression_warning): Check warn_overflow.
3310 (overflow_waring): Pass OPT_Woverflow to warning.
3311 (unsigned_conversion_warning): Likewise.
3312 (convert_and_check): Likewise.
3313 * doc/invoke.texi: Document new command line option.
3315 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3317 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3318 TARGET_NO_FP_IN_TOC for section anchors.
3319 (optimization_options): Enable section anchors for all
3320 non-"Objective" languages.
3322 2006-04-28 Eric Christopher <echristo@apple.com>
3324 * config/darwin-c.c (darwin_ms_struct): Move this
3325 (darwin_set_default_type_attributes): and this...
3326 * config/darwin.c: ... here.
3327 * config/darwin.h (darwin_ms_struct): Declare.
3329 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3331 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3333 2006-04-28 Roger Sayle <roger@eyesopen.com>
3336 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3337 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3338 an unsigned HOST_WIDE_INT.
3339 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3341 (really_start_incremental_init): No need to call convert because
3342 bitsize_zero_node is already of type bitsizetype.
3343 (push_init_level): Extract the value of constructor_index as an
3344 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3345 (process_init_element): Likewise.
3347 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3349 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3350 value before passing to make_relative_prefix.
3352 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3355 * builtins.c (expand_builtin_memset): Expand val in original mode.
3357 2006-04-27 Eric Christopher <echristo@apple.com>
3359 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3360 with #ifndef/#endif.
3361 * config/darwin-c.c (darwin_ms_struct): New.
3362 (darwin_pragma_ms_struct): Ditto.
3363 (darwin_set_default_type_attributes): Ditto.
3364 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3365 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3366 Register ms_struct pragma.
3367 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3368 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3369 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3370 darwin_set_default_type_attributes if TARGET_MACHO.
3372 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3374 PR tree-optimization/26854
3375 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3376 * doc/tree-ssa.texi: Update immuse iterator documentation.
3377 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3378 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3379 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3380 first_safe_imm_use, next_safe_imm_use): Remove.
3381 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3382 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3383 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3384 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3385 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3386 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3387 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3388 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3389 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3390 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3391 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3392 (perfect_nestify): Use new iterator.
3393 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3395 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3396 (next_imm_name): New field in struct immediate_use_iterator_d.
3397 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3398 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3399 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3400 * tree-cfg.c (replace_uses_by): Use new iterator.
3401 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3402 * tree-ssa-operands.c (correct_use_link): Remove.
3403 (finalize_ssa_use_ops): No longer call correct_use_link.
3405 2006-04-27 Stuart Hastings <stuart@apple.com>
3407 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3408 * config/t-darwin (crt3.o): Use it.
3409 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3410 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3411 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3412 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3413 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3416 2006-04-27 Roger Sayle <roger@eyesopen.com>
3418 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3419 size, force the intermediate into a new pseudo rather instead of
3420 performing both a bitwise AND and a bitwise IOR in memory.
3422 2006-04-27 Richard Guenther <rguenther@suse.de>
3424 PR rtl-optimization/26685
3425 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3426 this one "max-flow-memory-locations".
3428 2006-04-27 Richard Guenther <rguenther@suse.de>
3430 PR tree-optimization/25148
3431 * tree-vrp.c (compare_values): Remove code dealing with
3432 comparisons against type min/max value. Honour overflow
3433 and negative constants in code dealing with comparisons
3434 of plus and minus expressions.
3435 (value_inside_range): Use fold_binary with LE_EXPR and
3436 GE_EXPR rather than compare_values.
3438 2006-04-27 Dirk Mueller <dmueller@suse.de>
3440 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3443 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3445 * basic-block.h (safe_insert_insn_on_edge): Removed.
3446 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3448 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3449 Paolo Bonzini <bonzini@gnu.org>
3452 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3453 (simplify_and_const_int): Same.
3455 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3457 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3459 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3462 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3463 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3464 cgraph_global_info_ready.
3467 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3470 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3471 either decl or init is error_mark_node.
3474 * tree-flow.h (struct omp_region): Add sched_kind.
3475 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3476 instead of extracting omp for data.
3477 (expand_omp_for): Save extracted sched_kind.
3479 2006-04-25 Roger Sayle <roger@eyesopen.com>
3481 * expmed.c (store_bit_field): Also check whether the bitsize is
3482 valid for the machine's "insv" instruction before moving the
3483 target into a pseudo for use with the insv.
3484 * config/i386/predicates.md (const8_operand): New predicate.
3485 * config/i386/i386.md (extv, extzv, insv): Use the new
3486 const8_operand predicate where appropriate.
3488 2006-04-25 DJ Delorie <dj@redhat.com>
3490 * doc/install.texi (Specific): Clarify that this is not a list of
3491 supported hosts or targets.
3493 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3495 PR rtl-optimization/26725
3496 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3497 block's BB_DIRTY flag.
3499 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3501 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3504 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3505 to print an integer.
3507 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3509 * varasm.c (align_variable): New function.
3510 (get_block_for_decl): Apply align_variable to DECL before
3511 calculating section information.
3512 (assemble_variable): Split out alignment computation.
3514 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3516 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3519 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3521 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3522 MODE_PARTIAL_INT mode.
3523 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3524 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3526 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3527 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3529 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3531 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3533 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3534 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3535 MACFLAG_IH): Likewise.
3536 (movstricthi_1): Renamed from "*movstricthi".
3537 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3538 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3539 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3540 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3541 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3542 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3543 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3544 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3545 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3546 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3547 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3548 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3549 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3550 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3551 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3553 * doc/rtl.texi (ss_ashift): Improve wording.
3555 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3557 * dwarf2out.c (verify_marks_clear): New.
3558 (prune_unused_types): Call verify_marks_clear initially, not
3561 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3563 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3564 * doc/rtl.texi: Document them.
3565 * simplify-rtx.c (simplify_unary_operation,
3566 simplify_binary_operation_1): Don't abort when we see them.
3568 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3571 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3572 * configure.ac: Completely disregard languages that are not
3574 * configure: Regenerated.
3576 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3577 Richard Guenther <rguenther@suse.de>
3579 PR tree-optimization/27236
3580 * tree-inline.c (copy_body_r): Make sure to copy
3581 TREE_THIS_VOLATILE flag.
3583 2006-04-24 Richard Guenther <rguenther@suse.de>
3586 * tree-complex.c (update_parameter_components): Don't handle
3587 unused parameters which have no default def.
3589 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3590 Richard Guenther <rguenther@suse.de>
3592 PR tree-optimization/27218
3593 * tree-inline.c (expand_call_inline): Strip useless type
3594 conversions for the return slot address.
3596 2006-04-24 Richard Guenther <rguenther@suse.de>
3598 * cfgloop.h (struct loops): Remove unused field array. Reorder
3600 (LOOP_PREFETCH): Remove.
3602 2006-04-24 Richard Guenther <rguenther@suse.de>
3604 PR tree-optimization/22525
3605 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3606 variable, adjust types of generated expressions.
3608 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3610 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3611 (tree-vect-patterns.o): Likewise.
3613 (cselib.o): Likewise.
3614 (loop-doloop.o): Likewise.
3615 (regclass.o): Likewise.
3616 (reload1.o): Likewise.
3617 (explow.o): Replace target.h with $(TARGET_H).
3618 (ipa-prop.o): Likewise.
3619 (ipa-cp.o): Likewise.
3620 (ipa-inline.o): Likewise.
3621 (reorg.o): Likewise.
3622 (reg-stack.o): Likewise.
3624 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3626 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3628 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3630 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3632 * configure.ac: Completely disregard languages that are not
3634 * configure: Regenerated.
3637 * c-common.h (c_build_bitfield_integer_type): Declare.
3638 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3639 * c-common.c (c_build_bitfield_integer_type): ... here.
3641 2006-04-23 Roger Sayle <roger@eyesopen.com>
3644 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3645 a SImode SUBREG of a floating point register after no_new_pseudos.
3647 2006-04-23 Roger Sayle <roger@eyesopen.com>
3649 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3650 identify potentially eliminable registers to additionally catch
3651 VIRTUAL_INCOMING_ARGS_REGNUM.
3652 (addsi3): Update the conditions on when to use addsi_small_int.
3654 2006-04-23 Roger Sayle <roger@eyesopen.com>
3657 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3658 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3659 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3661 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3663 * fold-const.c (range_predecessor): Use operand_equal_p
3664 as the predicate for equality.
3665 (range_successor): Likewise.
3667 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3670 * config/soft-fp/op-common.h: Fix a typo.
3672 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3675 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3676 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3678 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3680 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3682 * doc/tm.texi: Fix a typo.
3684 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3686 * dwarf2out.c (struct die_struct): Document that die_sib makes
3687 a circular linked list.
3688 (FOR_EACH_CHILD): New.
3689 (reverse_die_lists): Delete.
3690 (reverse_all_dies): Delete.
3691 (add_dwarf_attr): Correct documentation.
3692 (remove_child_with_prev): New.
3693 (remove_child_TAG): Update for change to die_struct, use
3694 remove_child_with_prev.
3695 (add_child_die): Update for change to die_struct.
3696 (splice_child_die): Use remove_child_with_prev and add_child_die.
3697 (print_die): Use FOR_EACH_CHILD.
3698 (die_checksum): Likewise.
3699 (assign_symbol_names): Likewise.
3700 (output_location_lists): Likewise.
3701 (build_abbrev_table): Likewise.
3702 (calc_die_sizes): Likewise.
3703 (mark_dies): Likewise.
3704 (unmark_dies): Likewise.
3705 (unmark_all_dies): Likewise.
3706 (output_die): Likewise.
3707 (prune_unused_types_mark): Likewise.
3708 (prune_unused_types_walk): Likewise.
3709 (same_die_p): Update for change to die_struct.
3710 (break_out_includes): Likewise.
3711 (prune_unused_types_prune): Likewise.
3712 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3713 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3715 (dwarf2out_finish): Don't call reverse_all_dies.
3717 2006-04-21 Eric Christopher <echristo@apple.com>
3719 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3720 in comments and function names.
3722 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3725 * c-typeck.c (digest_init): Robustify.
3727 * c-typeck.c (pop_init_level): Simplify.
3729 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3731 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3733 2006-04-21 Paul Brook <paul@codesourcery.com>
3735 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3736 hardware floating point.
3738 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3740 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3743 2006-04-21 Nick Clifton <nickc@redhat.com>
3745 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3748 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3751 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3752 C++ lang type in traceback table for Objective-C++.
3754 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3756 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3758 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3760 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3763 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3764 were errors. Remove check for erroneous objects.
3766 2006-04-20 Jeff Law <law@redhat.com>
3768 PR tree-optimization/26854
3769 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3770 checking for zero or one use.
3771 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3772 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3773 * tree-ssa-reassoc.c (negate_value): Similarly.
3774 (reassociate_bb): Similarly.
3776 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3778 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3779 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3780 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3782 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3784 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3785 fp regs if the last fp arg doesn't fit in regs.
3787 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3790 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3791 that the last insn has the REG_INC note.
3793 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3794 Nathan Sidwell <nathan@codesourcery.com>
3797 * stor-layout.c (update_alignment_for_field): Do not align
3799 (place_union_field): Place union field at the start of the union.
3800 (place_field): Move ERROR_MARK check later, and use the current
3801 allocation position to maintain monotonicity.
3803 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3805 * dominance.c: Include timevar.h.
3806 (calculate_dominance_info): Use TV_DOMINANCE.
3807 * timevar.def (TV_DOMINANCE): New timevar.
3808 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3810 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3812 PR rtl-optimization/14261
3813 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3814 move would be an INSV insn.
3815 (noce_process_if_block): Don't optimize if the destination is a
3816 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3818 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3820 * config/s390/s390.md: Add comments with the instructions emitted
3821 by an insn pattern if macros are used.
3823 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3825 PR rtl-optimization/26026
3826 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3827 is a known power of two shifted left a variable amount.
3829 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3831 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3832 to hash table twice when the debug_str section has SECTION_MERGE.
3834 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3836 * config/soft-fp: New directory. From glibc.
3837 * config/soft-fp/t-softfp: New.
3838 * config/soft-fp/README: New.
3839 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3840 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3841 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3842 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3843 * config.gcc: Use rs6000/t-fprules-fpbit or
3844 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3846 * config/rs6000/sfp-machine.h: New. Based on glibc.
3847 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3849 * config/rs6000/t-fprules: Remove fp-bit rules.
3850 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3851 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3852 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3853 (softfp_wrap_start, softfp_wrap_end): New.
3855 2006-04-18 DJ Delorie <dj@redhat.com>
3857 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3859 2006-04-18 Devang Patel <dpatel@apple.com>
3861 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3863 2006-04-18 Nick Clifton <nickc@redhat.com>
3865 * config/sh/t-symbian: Add rule to build sh-c.o
3866 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3867 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3868 (sh_symbian_encode_section_info): Likewise.
3870 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3872 * builtins.c (expand_builtin_strcmp): Cover label definition of
3873 do_libcall with HAVE_cmpstrnsi.
3875 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3877 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3879 * function.h (temp_slot_p): New.
3880 (function): Change the type of x_used_temp_slots to
3881 VEC(temp_slot_p,gc) *.
3883 2006-04-18 Nick Clifton <nickc@redhat.com>
3885 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3886 flag_strength_reduce.
3888 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3890 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3894 Partial revert of revision 112637
3895 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3896 Dale Johannesen <dalej@apple.com>
3899 * regclass.c (struct reg_pref): Update documentation.
3900 (regclass): Set prefclass to NO_REGS if memory is the best option.
3901 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3903 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3905 PR tree-optimization/26821
3906 * tree-ssa-math-opts.c (get_constant_one): New.
3907 (insert_reciprocals): Use it.
3909 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3911 * dwarf2out.c (free_AT): Delete.
3912 (remove_AT): Update string ref counts.
3913 (remove_child_TAG): Don't call free_die.
3915 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3916 or DW_TAG_GNU_EINCL.
3917 (prune_unused_types_walk_attribs): Reset string refcounts.
3918 (prune_unused_types_update_strings): New.
3919 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3920 call free_die. Do call prune_unused_types_update_strings.
3921 (prune_unused_types): Empty debug_str_hash.
3923 2006-04-17 Roger Sayle <roger@eyesopen.com>
3925 * expr.c (expand_assignment): Optimize away no-op moves where the
3926 source and destination are equal and have no side-effects.
3928 2006-04-17 Richard Guenther <rguenther@suse.de>
3931 * reload.c (push_reload): Guard calls to get_secondary_mem
3934 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3936 * alias.c (reg_base_value, old_reg_base_value): Change the
3937 type to VEC(rtx,gc) *.
3938 (REG_BASE_VALUE, find_base_value, record_set,
3939 init_alias_analysis): Use VEC instead of VARRAY.
3941 * alias.c (alias_sets): Change the type to
3942 VEC(alias_set_entry,gc) *.
3943 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3944 VEC instead of VARRAY.
3945 (last_alias_set): Remove.
3947 * cgraph.h (cgraph_edge_p): New.
3948 Update the prototype of cgraph_function_versioning.
3949 * cgraphunit.c (cgraph_copy_node_for_versioning,
3950 cgraph_function_versioning): Use VEC instead of VARRAY.
3951 * ipa-cp.c (ipcp_insert_stage): Likewise.
3953 2006-04-16 Roger Sayle <roger@eyesopen.com>
3956 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3957 "A op B" or "A op C", we may need to convert A to the type of B and C.
3959 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3961 * target.h (struct gcc_target): Add mode_rep_extended.
3962 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3963 (init_num_sign_bit_copies_in_rep): Initialize it using
3965 (truncate_to_mode): Use it.
3966 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3967 * targhooks.h (default_mode_rep_extended): Declare it.
3968 * targhooks.c (default_mode_rep_extended): Define it.
3969 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3970 default_mode_rep_extended.
3971 (TARGET_INITIALIZER): Include it.
3972 * doc/tm.texi (Misc): Document it.
3973 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3974 (mips_truncated_to_mode): New function.
3976 2006-04-16 Roger Sayle <roger@eyesopen.com>
3979 * expr.c (compress_float_constant): Copy the narrow constant into
3980 a new pseudo before extending it to its final width.
3982 2006-04-16 Roger Sayle <roger@eyesopen.com>
3983 Andrew Pinski <pinskia@gcc.gnu.org>
3984 Dale Johannesen <dalej@apple.com>
3987 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3988 special case code to implement V8HImode and V16QImode with SSE2.
3990 2006-04-15 Roger Sayle <roger@eyesopen.com>
3992 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3993 trees are constructed with a suitable tree type.
3995 2006-04-15 Roger Sayle <roger@eyesopen.com>
3997 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3998 (integer_onep): Likewise.
3999 (integer_all_onesp): Likewise.
4000 (integer_pow2p): Likewise.
4001 (integer_nonzerop): Likewise.
4002 (real_zerop): Likewise.
4003 (real_onep): Likewise.
4004 (real_twop): Likewise.
4005 (real_minus_onep): Likewise.
4006 (int_size_in_bytes): Likewise.
4007 (host_integerp): Likewise.
4009 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4011 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4012 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4013 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4015 * tree-ssa-structalias.h (alias_info): Remove num_references.
4017 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4019 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4020 (output_bvb patterns): Likewise.
4021 * pa.c (output_bb): Use 'bb' insn for long branch case.
4022 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4023 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4024 1. Correct length operand for alternatives 1 and 2.
4025 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4026 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4028 2006-04-14 Roger Sayle <roger@eyesopen.com>
4030 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4031 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4032 were accidentally reverted by r112959.
4034 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4037 * except.h (eh_region_outermost): New prototype.
4038 * except.c (eh_region_outermost): New function.
4039 * tree-cfg.c (find_outermost_region_in_block): Use it.
4041 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4043 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4045 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4046 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4047 (init_reload, reload): Use VEC instead of VARRAY.
4048 * reload.h: Update the prototype for
4049 reg_equiv_memory_loc_varray.
4051 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4052 Eric Botcazou <ebotcazou@libertysurf.fr>
4054 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4057 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4060 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4061 to expand fallback builtin function call.
4063 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4066 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4067 and emit libcall here in case the builtin fails.
4068 (expand_builtin_strcmp): Always emit the libcall here on failure.
4070 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4072 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4073 * flow.c (reg_n_info): Change the type to
4074 VEC(reg_info_p,heap) *.
4075 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4077 * regs.h (reg_info_p): New.
4078 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4079 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4080 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4083 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4085 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4087 * params.h (MAX_SCHED_READY_INSNS): New macro.
4088 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4089 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4090 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4091 the ready list for 1 cycle during the first scheduling pass.
4092 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4094 2006-04-13 Richard Henderson <rth@redhat.com>
4097 * gimple-low.c (lower_omp_directive): Remove dead code.
4098 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4099 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4100 * omp-low.c (struct omp_region): Move to tree-flow.h.
4101 (root_omp_region): Export.
4102 (omp_regions, lookup_omp_region): Remove.
4103 (determine_parallel_type): Update for struct omp_region changes.
4104 (dump_omp_region): Dump regions with block numbers.
4105 (new_omp_region): Take type and block instead of stmt; malloc
4107 (free_omp_region_1, free_omp_regions): New.
4108 (expand_parallel_call): Take entry_stmt as argument; update for
4109 changes to omp_region.
4110 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4111 (remove_exit_barriers): New.
4112 (expand_omp_parallel): Update for struct omp_region changes.
4113 (expand_omp_synch): Likewise.
4114 (expand_omp): Likewise.
4115 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4116 (expand_omp_for_static_chunk): Likewise.
4117 (expand_omp_for): Likewise.
4118 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4119 (expand_omp_sections): Similarly, with GOMP_sections_end.
4120 (expand_omp_single): New.
4121 (build_omp_regions_1): Update for OMP_CONTINUE.
4122 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4123 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4124 OMP_SECTIONS_SECTIONS.
4125 (lower_omp_single_simple): Don't emit barrier here.
4126 (lower_omp_single_copy): Likewise.
4127 (lower_omp_single): Fix bindings, and lower to straightline now.
4128 (lower_omp_master, lower_omp_ordered): Likewise.
4129 (lower_omp_critical): Likewise.
4130 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4131 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4132 omp edges, free it afterward.
4133 (make_omp_sections_edges): Remove.
4134 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4135 (move_stmt_r): Handle OMP_CONTINUE.
4136 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4137 statement pointers to basic blocks. Add type member.
4138 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4139 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4140 * tree-inline.c (estimate_num_insns_1): Likewise.
4141 * tree-pretty-print.c (dump_generic_node): Likewise.
4142 * tree-ssa-operands.c (get_expr_operands): Likewise.
4143 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4144 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4145 (OMP_CONTINUE): New.
4146 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4147 (OMP_SECTIONS_SECTIONS): Remove.
4148 (OMP_SECTION_LAST): New.
4149 (OMP_RETURN_NOWAIT): New.
4151 2006-04-13 Roger Sayle <roger@eyesopen.com>
4153 * fold-const.c (native_encode_vector, native_interpret_real):
4154 Correct obvious mistakes in the previous check-in.
4156 2006-04-13 Roger Sayle <roger@eyesopen.com>
4158 * fold-const.c (native_encode_expr): New function to encode
4159 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4160 or VECTOR_CST into a specified buffer.
4161 (native_encode_int): New function.
4162 (native_encode_real): New function.
4163 (native_encode_complex): New function.
4164 (native_encode_vector): New function.
4165 (native_interpret_expr): Inverse of native_encode_expr to convert
4166 a target representation into an INTEGER_CST, REAL_CST etc...
4167 (native_interpret_int): New function.
4168 (native_interpret_real): New function.
4169 (native_interpret_complex): New function.
4170 (native_interpret_vector): New function.
4171 (fold_view_convert_expr): New function to constant fold/evaluate
4172 a VIEW_CONVERT_EXPR of a suitable constant expression.
4173 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4174 Change call of build1 to fold_build1 when constructing a
4177 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4178 Ulrich Weigand <uweigand@de.ibm.com>
4181 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4184 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4187 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4188 optimize to lo_sum for DFmode if !TARGET_FPRS.
4190 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4192 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4193 delete_alias_info, compute_flow_sensitive_aliasing,
4194 group_aliases): Use VEC instead of VARRAY.
4195 * tree-ssa-structalias.c (update_alias_info): Likewise.
4196 * tree-ssa-structalias.h (alias_info): Change the type of
4197 processed_ptrs to VEC(tree,heap) *.
4199 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4202 * config/sh/lib1funcs.h: New file, broken out of:
4203 * config/sh/lib1funcs.asm.
4204 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4206 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4207 * config/sh/lib1funcs-Os-4-200.asm: New file.
4208 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4209 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4210 (EXTRA_MULTILIB_PARTS): Include it.
4211 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4212 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4213 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4214 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4217 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4219 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4220 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4221 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4223 * tree-ssa-live.h: Include vecprim.h.
4224 (tree_partition_associator_d): Change the type of
4225 first_partition to VEC(int,heap) *.
4226 (tpa_first_partition): Use VEC instead of VARRAY.
4228 * Makefile.in (GTFILES): Move functions.h after tree.h.
4229 * function.c (reset_block_changes, record_block_change,
4230 check_block_change, free_block_changes): Use VEC instead of
4232 * function.h (function): Change the type of
4233 ib_boundaries_block to VEC(tree,gc) *.
4234 * tree-inline.c (copy_cfg_body): Initialize
4235 ib_boundaries_block to NULL instead of (varray_type) 0.
4237 2006-04-12 Roger Sayle <roger@eyesopen.com>
4239 * expr.c (emit_group_store): Correct operand order in call to
4240 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4241 a SUBREG_BYTE of zero.
4243 2006-04-12 Richard Guenther <rguenther@suse.de>
4245 * profile.c (compute_branch_probabilities): Remove code
4246 encapsulated in !ir_type (), which are remanents of the
4247 removed RTL profiling code.
4248 * rtl-profile.c: Remove.
4250 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4252 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4253 magic NULL_RTX comment.
4254 (function_arg): Store entire fp arg to mem if any part should go
4256 (rs6000_arg_partial_bytes): Adjust for above change.
4258 2006-04-11 Roger Sayle <roger@eyesopen.com>
4260 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4261 if it hasn't been initialized by dwarf2out_init.
4263 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4265 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4266 symbolic constants in branch patterns.
4268 2006-04-11 Roger Sayle <roger@eyesopen.com>
4270 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4272 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4274 PR rtl-optimization/27073
4275 * gcse.c (try_replace_reg): Revert last change. Continue to search
4276 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4279 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4281 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4282 aggregate types other than record and union types.
4283 (function_arg): Likewise.
4284 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4286 (function_value): In 64-bit mode, return objects that require it
4289 2006-04-11 Roger Sayle <roger@eyesopen.com>
4291 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4293 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4295 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4297 2006-04-03 Jeff Law <law@redhat.com>
4300 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4301 alias information too.
4303 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4305 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4307 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4310 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4311 (premark_used_types_helper): New.
4312 (premark_used_types): New.
4313 (gen_subprogram_die): Call premark_used_types.
4314 (prune_unused_types_walk): Do not prune perennial dies.
4315 * function.c (used_types_insert): New.
4316 * function.h (struct function): Add used_types_hash field.
4317 (used_types_insert): Add prototype.
4318 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4319 * c-parser.c (c_parser_cast_expression): Save casted types in used
4322 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4325 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4326 rs6000_explicit_options.float_gprs.
4328 2006-04-10 Roger Sayle <roger@eyesopen.com>
4330 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4331 from ix86_expand_vector_init_low_nonzero. Take an additional
4332 one_var argument indicating which element is non-zero. Support
4333 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4334 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4335 with one_var instead of ix86_expand_vector_init_low_nonzero.
4337 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4339 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4340 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4341 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4342 build/genextract.o): Depend on vecprim.h.
4343 * cfglayout.c, df-problems.c, function.c, genextract.c,
4344 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4345 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4349 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4351 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4352 Declare VECs of this type.
4353 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4354 (remove_children): Delete.
4355 (add_dwarf_attr): Use VEC routines.
4356 (add_AT_flag): Update for changes to add_dwarf_attr.
4357 (add_AT_int): Likewise.
4358 (add_AT_unsigned): Likewise.
4359 (add_AT_long_long): Likewise.
4360 (add_AT_vec): Likewise.
4361 (add_AT_string): Likewise.
4362 (add_AT_die_ref): Likewise.
4363 (add_AT_fde_ref): Likewise.
4364 (add_AT_loc): Likewise.
4365 (add_AT_loc_list): Likewise.
4366 (add_AT_addr): Likewise.
4367 (add_AT_lbl_id): Likewise.
4368 (add_AT_lineptr): Likewise.
4369 (add_AT_macptr): Likewise.
4370 (add_AT_offset): Likewise.
4371 (add_AT_range_list): Likewise.
4372 (get_AT): Use VEC_iterate.
4373 (remove_AT): Use VEC_ordered_remove.
4374 (free_die): Fold remove_children into here; have it use VEC_iterate.
4375 (print_die): Use VEC_iterate on attrs.
4376 (reverse_die_lists): Don't reverse attr lists.
4377 (die_checksum): Use VEC_iterate on attrs.
4378 (same_die_p): Likewise.
4379 (output_location_lists): Likewise.
4380 (build_abbrev_table): Likewise.
4381 (size_of_die): Likewise.
4382 (unmark_all_dies): Likewise.
4383 (output_abbrev_section): Likewise.
4384 (output_die): Likewise.
4385 (prune_unused_types_walk_attribs): Likewise.
4387 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4389 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4391 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4394 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4396 2006-04-09 Roger Sayle <roger@eyesopen.com>
4398 * expr.c (store_constructor): Don't bother clearing target if
4399 we're about to assign a vector to it using vec_init_optab.
4401 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4403 * tree-ssa-alias.c (lhs_may_store_to): New function.
4404 (recalculate_used_alone): Handle LHS of calls.
4406 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4410 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4411 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4412 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4413 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4414 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4415 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4416 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4417 stubs. Add ".align 8" directives before all ".dword" directives.
4418 (GTHREAD_USE_WEAK): Revise comment.
4419 (TARGET_ATTRIBUTE_WEAK): Define.
4420 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4421 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4422 * stublib.c: New file.
4427 * pa.md (cbranch patterns): Revise arguments used in calls to
4428 output_cbranch, output_bb and output_bvd. Add long branch length
4430 (fbranch patterns): Handle long branches.
4431 (jump): Revise length check. Revise arguments for output_lbranch call.
4432 Add long branch length attributes.
4433 (decrement_and_branch_until_zero): Add long branch length attributes.
4434 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4435 Likewise. Revise arguments for output_parallel_addb and
4436 output_parallel_movb calls.
4437 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4438 output_parallel_movb and output_parallel_addb): Update prototypes.
4439 * pa.c (output_cbranch): Revise arguments. Correct handling of
4440 nullification in long branches.
4441 (output_lbranch): Add new argument to control extraction of delay
4443 (output_bb): Handle long branches.
4444 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4445 output_parallel_addb): Likewise.
4447 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4449 PR rtl-optimization/27073
4450 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4453 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4455 * tree.h (tree_memory_tag): Add old_used_alone.
4456 (SMT_OLD_USED_ALONE): New macro.
4457 * tree-ssa-alias.c (recalculate_used_alone): Stop
4458 marking things for renaming unnecessarily.
4460 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4462 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4463 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4464 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4465 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4466 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4467 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4468 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4469 spelling convensions.
4470 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4471 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4472 typos. Follow spelling conventions.
4474 2006-04-07 DJ Delorie <dj@redhat.com>
4476 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4477 passed on the stack.
4478 (m32c_init_cumulative_args): When a function returns a structure,
4479 always pass the pointer to that return area on the stack.
4480 (m32c_function_arg_advance): Don't increment the parameter number
4481 if we're processing the returned structure pointer.
4482 (pushm_info): Reverse order of registers.
4484 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4486 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4487 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4488 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4489 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4491 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4492 chrec_fold_multiply): Same.
4493 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4494 force_expr_to_var_cost): Same.
4495 * tree-mudflap.c (mf_xform_derefs_1): Same.
4496 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4498 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4500 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4501 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4504 2006-04-07 Jan Hubicka <jh@suse.cz>
4506 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4508 2006-04-07 Richard Guenther <rguenther@suse.de>
4510 PR tree-optimization/26135
4511 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4512 loads for store copy-prop.
4513 (copy_prop_visit_stmt): Likewise.
4515 2006-04-05 Robert Millan <robertmh@gnu.org>
4517 * config/i386/linux.h: Add a comment to mark macros that are
4518 being overriden in config/k*bsd-gnu.h.
4519 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4521 * config/knetbsd-gnu.h: Ditto.
4523 2006-04-06 Jan Hubicka <jh@suse.cz>
4527 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4530 2006-04-06 Mike Stump <mrs@apple.com>
4532 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4533 for HAVE_nonlocal_goto to be consistent.
4534 (expand_builtin_nonlocal_goto): Likewise.
4535 (expand_builtin_strcmp): Use #ifdef instead of #if
4536 for HAVE_cmpstrnsi to be consistent.
4538 2006-04-05 DJ Delorie <dj@redhat.com>
4540 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4543 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4545 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4546 got-relative addressing for anything but SImode.
4548 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4549 even if the calling function doesn't modify them.
4551 2006-04-05 Richard Guenther <rguenther@suse.de>
4553 PR tree-optimization/26919
4554 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4555 to cgraph_estimate_size_after_inlining.
4557 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4559 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4561 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4563 PR tree-optimization/26996
4564 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4565 VECTOR_TYPE variables.
4567 2006-04-05 Richard Guenther <rguenther@suse.de>
4569 PR tree-optimization/26763
4570 * fold-const.c (fold_comparison): Move folding of
4571 PTR + CST CMP PTR + CST ...
4572 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4574 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4576 * doc/install.texi (Prerequisites): Refine some wording on
4577 bootstrapping and ksh.
4578 Move the version numbers of DejaGnu here from the testing section
4579 and fix casing of names.
4580 Fix markup and clarify wording for autogen requirements.
4581 Refer to GCJ instead of just java.
4582 Refer to SVN instead of CVS.
4583 Describe diffutils as useful instead of necessary.
4584 (Downloading the source): Refer to SVN instead of CVS.
4585 Adjust a link to our web site accordingly.
4586 (Configuration): Fix casing of Bison.
4587 (Building): Refer to SVN instead of CVS.
4588 Fix a sentence on the use of Bison and remove duplicate (and
4589 incorrect) version number of Bison requirement.
4590 Remove one redundant list of packages needed for building.
4591 (Specific): Avoid reference to CVS.
4593 2006-04-04 Eric Christopher <echristo@apple.com>
4595 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4596 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4597 (rs6000_handle_struct_attribute): New.
4598 (rs6000_ms_bitfield_layout_p): Ditto.
4600 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4602 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4603 NULL for dso parameter to atexit_common.
4605 2006-04-04 Eric Christopher <echristo@apple.com>
4607 * config/i386/i386.c (machopic_output_stub): Output \t
4608 between instructions and operands.
4610 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4612 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4613 satisfies_constraint_[IL] to explicit tests on value.
4615 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4617 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4618 set_nb_iterations_in_loop): Use build_int_cst instead of
4620 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4621 build_int_cst instead of convert.
4623 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4625 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4626 new value 2 for incoming.
4627 * function.c (expand_function_start): Call struct_value_rtx
4629 * config/sparc/sparc.md: Comment updated_return.
4630 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4631 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4632 struct return if sparc_std_struct_return and incoming is 2.
4633 (print_operand): Do not adjust return if
4634 sparc_std_struct_return.
4636 2006-04-04 Roger Sayle <roger@eyesopen.com>
4638 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4639 convert in the middle-end.
4640 * expr.c (store_expr, store_constructor, get_inner_reference,
4641 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4643 * tree.c (build_range_type): Likewise.
4645 2006-04-04 Tom Tromey <tromey@redhat.com>
4647 * doc/install.texi (Prerequisites): Mention jar.
4649 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4651 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4654 2006-04-04 Matthias Klose <doko@debian.org>
4656 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4657 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4660 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4662 * doc/extend.texi (Function Attributes): Rewrite visibility
4663 attribute documentation.
4664 * doc/invoke.texi (C++ Dialect Options): Rewrite
4665 -fvisibility-inlines-hidden documentation to describe something
4666 entirely different, although in practise compatible.
4667 (Code Gen Options): Warn about system headers in -fvisibility=
4670 * doc/extend.texi (Other Builtins): Document that
4671 __builtin_nan is a compile-time constant only when its argument
4674 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4676 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4677 trying to remove TRUNCATE check if all bits outside the new mode
4678 are identical to the sign bit.
4680 2006-04-03 Jeff Law <law@redhat.com>
4682 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4683 and operand scanning in some common cases.
4685 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4686 Dale Johannesen <dalej@apple.com>
4689 * regclass.c (struct reg_pref): Update documentation.
4690 (regclass): Set prefclass to NO_REGS if memory is the best option.
4691 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4692 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4693 into account. For non-registers, equate an empty preferred
4694 reload class to a `!' in the constraint; move the if clause to
4695 do so after those that reject the insn.
4696 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4698 (find_dummy_reload): Likewise.
4699 * doc/tm.texi (Register Classes): Document what it means
4700 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4701 * config/i386/i386.c (ix86_preferred_reload_class): Force
4702 using SSE registers (and return NO_REGS for floating-point
4703 constants) if math is done with SSE.
4704 (ix86_preferred_output_reload_class): New.
4705 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4706 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4707 * config/i386/i386.md: Remove # register preferences.
4709 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4712 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4713 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4714 the type of nb_iter.
4715 (instantiate_parameters_1): Convert the operands before calling
4716 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4717 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4719 2006-04-02 Roger Sayle <roger@eyesopen.com>
4721 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4722 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4724 * dojump.c (do_jump): Likewise.
4725 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4726 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4727 gimplify_boolean_expr): Likewise.
4728 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4729 * varasm.c (array_size_for_constructor): Likewise.
4730 * tree-object-size.c (compute_object_offset): Likewise.
4732 2006-04-02 Roger Sayle <roger@eyesopen.com>
4735 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4736 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4738 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4740 PR tree-optimization/26939
4741 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4743 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4745 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4746 at_stmt. Convert the type of operands before calling
4747 build_polynomial_chrec.
4748 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4750 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4751 (instantiate_parameters_1): Convert the type of operands before calling
4752 build_polynomial_chrec.
4753 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4754 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4755 reset_evolution_in_loop): Insert asserts to check the types of the
4757 (chrec_type): Moved...
4758 (eq_evolutions_p): Use operand_equal_p.
4759 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4760 the types of the operands.
4761 (chrec_type): ...here.
4762 * tree-data-ref.c (create_data_ref): Convert the operands before
4763 calling chrec_replace_initial_condition.
4764 (same_access_functions, analyze_subscript_affine_affine,
4765 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4766 (compute_subscript_distance, analyze_ziv_subscript,
4767 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4768 analyze_miv_subscript): Convert the operands before calling
4769 chrec_fold_minus or chrec_fold_plus.
4771 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4773 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4774 the dependence_relations vector.
4775 (compute_data_dependences_for_loop): Adjust call to
4776 compute_all_dependences.
4778 2006-04-01 Roger Sayle <roger@eyesopen.com>
4779 Richard Henderson <rth@redhat.com>
4781 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4782 gimple_boolify on the condition before calling gimplify_expr.
4784 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4786 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4787 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4788 the frame size. Update to use the new macros.
4789 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4790 * config/xtensa/ieee754-df.S: Likewise.
4792 2006-03-31 Richard Henderson <rth@redhat.com>
4794 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4795 (make_edges): ... here. Control fallthru creation with a local
4796 variable. Do not play with fake edges.
4797 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4798 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4801 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4803 * dwarf2.h (DW64_CIE_ID): Define.
4804 * dwarf2out.c (DWARF_CIE_ID): Define.
4805 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4806 length header. Use DWARF_CIE_ID.
4807 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4808 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4810 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4812 * config/sh/linux-atomic.asm: New file.
4813 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4815 2006-03-31 DJ Delorie <dj@redhat.com>
4817 * config/m32c/cond.md: Set condition flags properly throughout.
4818 * config/m32c/minmax.md: Likewise.
4819 * config/m32c/prologue.md: Likewise.
4820 * config/m32c/bitops.md: Likewise.
4821 * config/m32c/muldiv.md: Likewise.
4822 * config/m32c/mov.md: Likewise.
4823 * config/m32c/addsub.md: Likewise.
4824 * config/m32c/m32c.md: Likewise.
4825 * config/m32c/jump.md: Likewise.
4826 * config/m32c/shift.md: Likewise.
4828 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4829 conditionally output the pattern for this.
4830 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4831 (m32c_compare_redundant): New.
4832 (m32c_output_compare): New.
4833 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4835 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4836 dest, not src. Allow other 4-byte modes.
4838 2006-03-30 Denis Chertykov <denisc@overta.ru>
4840 * doc/md.texi: Refer to avr/constraints.md instead of
4843 2006-03-30 Roger Sayle <roger@eyesopen.com>
4845 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4846 signed vs. unsigned comparison failures on some hosts.
4848 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4851 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4852 change to FLOAT_REGS.
4854 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4855 (rs6000_override_options): Use it.
4856 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4857 only for -mabi=spe/no-spe and -mabi=altivec.
4859 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4861 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4864 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4866 * Makefile.in: Rename docdir to gcc_docdir.
4868 2006-03-30 Roger Sayle <roger@eyesopen.com>
4871 * expr.c (emit_group_store): Optimize group stores into a pseudo
4872 register by using a paradoxical subreg to initialize the destination
4873 if the first or last member of the group specifies a "low part".
4875 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4878 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4879 * target.h (struct gcc_target.speculate_insn): Change type of the
4880 second parameter to 'int'.
4881 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4882 the second operand of the DEPS_LIST.
4883 (copy_DEPS_LIST_list): Update reference to the second operand of the
4885 * rtl.h (alloc_DEPS_LIST): Update signature.
4886 * sched-int.h (ds_t): Change typedef to 'int'.
4887 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4889 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4891 * haifa-sched.c (try_ready): Change condition to restore
4892 non-speculative pattern of the instruction.
4893 (process_insn_depend_be_in_spec): Code to keep probability of the
4894 speculative dependence non-decreasing.
4896 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4898 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4899 (single_move_for_movmem): ... this. Also change all uses.
4900 (bfin_expand_strmov): Renamed to...
4901 (bfin_expand_movmem): ... this. Also change all uses.
4902 * config/bfin/bfin.md (movstrsi): Renamed to...
4903 (movstrsi): ...this.
4905 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4907 PR tree-optimization/26830
4909 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4910 (copy_prop_visit_stmt): Remove write-only variable ann.
4911 (init_copy_prop): Check variable loop depth here. Do not simulate
4912 memory-tag and virtual operand PHIs except for store copy prop.
4914 2006-03-30 Richard Guenther <rguenther@suse.de>
4916 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4917 variants with double arguments.
4919 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4921 * genpreds.c (write_tm_constrs_h): Delete variable p.
4922 * genconditions.c (write_header): Add tm-constrs.h to included
4924 * genpeep.c (main): Add toplev.h to included headers.
4925 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4926 (build/genpeep.o): Add toplev.h dependency.
4927 * config/rs6000/constraints.md: Add "W" constraint.
4929 2006-03-29 Roger Sayle <roger@eyesopen.com>
4931 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4932 sizes by correctly testing whether the size fits a host integer.
4933 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4934 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4935 SImode range for the default sizetype and bitsizetype.
4937 2006-03-29 Roger Sayle <roger@eyesopen.com>
4939 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4940 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4941 quickly if the argument is already of the correct type.
4942 Call fold_build1 instead of build1. Tidy up blank lines.
4944 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4946 * genemit.c (main): Add tm-constrs.h to included headers.
4947 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4948 * genpeep.c (main): Add tm-constrs.h to included headers.
4949 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4950 (write_tm_constrs_h): this and write complete file.
4951 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4952 (write_insn_preds_c): Add tm-constrs.h to included headers.
4953 (gen_constrs): New variable.
4954 (parse_option): Parse "-c".
4955 (main): Invoke write_tm_constrs_h.
4956 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4957 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4958 (object_out_file): Add tm-constrs.h dependency.
4959 (insn-emit.o): Same.
4960 (insn-output.o): Same.
4961 (insn-peep.o): Same.
4962 (insn-preds.o): Same.
4963 (insn-recog.o): Same.
4964 (tm-constsr.h): New target.
4965 (s-constrs-h): New target.
4967 * config/rs6000/constraints.md: New file.
4968 * config/rs6000/rs6000.c: Include tm-constrs.h.
4969 (num_insn_constant_wide): Convert to satisfies_constraint.
4970 (rs6000_rtx_costs): Convert to satisfies_constraint.
4971 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4972 (CONST_OK_FOR_LETTER_P): Delete.
4973 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4974 (EXTRA_CONSTRAINT): Delete.
4975 (EXTRA_MEMORY_CONSTRAINT): Delete.
4976 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4977 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4978 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4979 satisfies_constraint.
4981 * config/i386/i386.c: Include tm-constrs.h.
4983 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4985 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4986 * tree-data-ref.c (find_data_references_in_loop,
4987 compute_data_dependences_for_loop): Use pointers to VEC.
4988 (analyze_all_data_dependences): Adjust calls.
4989 * tree-data-ref.h (find_data_references_in_loop,
4990 compute_data_dependences_for_loop): Adjust declarations.
4991 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4992 compute_data_dependences_for_loop.
4994 2006-03-29 Paul Brook <paul@codesourcery.com>
4996 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4999 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5001 PR tree-optimization/26859
5002 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5004 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5005 for the step after fold_convert.
5007 2006-03-29 Paul Brook <paul@codesourcery.com>
5009 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5010 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5012 2006-03-29 Paul Brook <paul@codesourcery.com>
5015 * targhooks.c (default_narrow_bitfield): New fuction.
5016 * targhooks.h (default_narrow_bitfield): add prototype.
5017 * target.h (gcc_target): Add narrow_volatile_bitfield.
5018 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5019 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5020 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5021 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5023 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5025 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5027 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5028 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5029 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5030 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5031 (s390_function_arg_float): Allow SDmode and DDmode values to be
5032 passed in floating point registers.
5033 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5034 check with SCALAR_FLOAT_MODE_P.
5035 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5037 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5039 PR tree-optimization/25985
5040 * tree-ssa-loop-niter.c (number_of_iterations_le,
5041 number_of_iterations_ne): Make comments more precise.
5042 (number_of_iterations_cond): Add only_exit argument. Use the
5043 fact that signed variables do not overflow only when only_exit
5045 (loop_only_exit_p): New.
5046 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5047 number_of_iterations_cond.
5049 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5051 PR tree-optimization/26643
5052 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5055 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5057 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5058 (divsi3_i4_int): Likewise.
5060 2006-03-28 Roger Sayle <roger@eyesopen.com>
5062 * expr.c (emit_group_store): Only create a new pseudo reg if the
5063 quantity it needs to hold isn't already a suitable pseudo.
5065 2006-03-28 Jeff Law <law@redhat.com>
5067 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5068 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5070 2006-03-28 Roger Sayle <roger@eyesopen.com>
5072 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5073 the equivalent ~X & Y, and the symmetry related transformations.
5074 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5075 ~X & Y, and symmetry related transforms.
5077 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5079 Revert my 2006-03-27 patches.
5081 2006-03-28 Roger Sayle <roger@eyesopen.com>
5083 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5084 ~(T1)X, when T1 and T2 are integer types of the same precision
5085 and (T2)X isn't an extension.
5087 2006-03-28 Jeff Law <law@redhat.com>
5089 PR tree-optimization/26796
5090 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5091 need EH edge cleanups rather than purging them immediately.
5092 (eliminate_degenerate_phis): Handle queued EH cleanups.
5094 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5096 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5099 2006-03-27 Roger Sayle <roger@eyesopen.com>
5102 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5103 cast BIT_NOT_EXPR operand to the correct type.
5105 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5107 * tree-loop-linear.c: Don't include varray.h.
5108 (gather_interchange_stats, try_interchange_loops,
5109 linear_transform_loops): Use VEC instead of VARRAY.
5110 * lambda-mat.c: Don't include varray.h.
5111 * tree-chrec.c: Same.
5112 * lambda-trans.c: Same.
5113 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5114 VEC instead of VARRAY.
5115 * tree-vectorizer.h: Idem.
5116 * tree-data-ref.c (dump_data_references,
5117 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5118 initialize_data_dependence_relation, finalize_ddr_dependent,
5119 compute_all_dependences, find_data_references_in_loop,
5120 compute_data_dependences_for_loop, analyze_all_data_dependences,
5121 free_dependence_relation, free_dependence_relations,
5122 free_data_refs): Idem.
5123 * tree-data-ref.h (data_reference_p, subscript_p): New.
5124 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5125 VEC instead of VARRAY.
5126 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5127 (find_data_references_in_loop, compute_data_dependences_for_loop,
5128 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5129 dump_data_dependence_relations, free_dependence_relations,
5130 free_data_refs): Adjust declaration.
5131 (lambda_transform_legal_p): Move declaration here...
5132 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5133 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5134 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5135 vect_analyze_data_refs): Use VEC instead of VARRAY.
5136 * lambda.h (lambda_transform_legal_p): ...from here.
5137 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5138 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5139 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5140 tree-chrec.o): Don't depend on VARRAY_H.
5142 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5144 * rtl.def (Copyright): Update date.
5145 (DEPS_LIST): Change type of the second operand to 'int'.
5146 * target.h (Copyright): Update date.
5147 (struct gcc_target.speculate_insn): Change type of the second parameter
5149 * lists.c (Copyright): Update date.
5150 (alloc_DEPS_LIST): Change signature. Update reference to the second
5151 operand of the DEPS_LIST.
5152 (copy_DEPS_LIST_list): Update reference to the second operand of the
5154 * rtl.h (Copyright): Update date.
5155 (alloc_DEPS_LIST): Update signature.
5156 * sched-int.h (Copyright): Update date.
5157 (ds_t): Change typedef to 'int'.
5158 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5160 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5162 * haifa-sched.c (Copyright): Update date.
5163 (try_ready): Change condition to restore non-speculative pattern
5165 (process_insn_depend_be_in_spec): Code to keep probability of the
5166 speculative dependence non-decreasing.
5168 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5170 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5171 shut up the compiler.
5173 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5175 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5176 to use lib prefix for target.
5177 ($(T)libic_invalidate_array_4-200.a): Likewise.
5178 ($(T)libic_invalidate_array_4a.a): Likewise.
5180 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5181 J"orn Rennecke <joern.rennecke@st.com>
5183 * superh.opt: New file.
5184 * sh.c (boardtype, osruntime): Remove.
5185 * superh.h (SUBTARGET_OPTIONS): Remove.
5186 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5188 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5189 arguments with ^ and/or [].
5191 * config.gcc (sh-*-*): Add quoting to account for quirk of
5193 Replace == with = in enable_incomplete_targets test.
5195 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5196 with MASK_LITTLE_ENDIAN.
5198 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5199 * config/sh/sh.opt: Added to some comments.
5200 * config/sh/superh.h: Removed some chaff.
5202 * config/sh/sh.opt: Add m4-[1234]00* options.
5203 * config/sh/sh.c (sh_handle_option): Likewise.
5204 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5205 (ic_invalidate_array_4-100.o): New rule.
5206 ($(T)libic_invalidate_array_4-100.a): Likewise.
5207 (ic_invalidate_array_4-200.o): Likewise.
5208 ($(T)libic_invalidate_array_4-200.a): Likewise.
5209 (ic_invalidate_array_4a.o): Likewise.
5210 ($(T)libic_invalidate_array_4a.a): Likewise.
5211 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5212 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5214 * config/sh/crt1.asm: Merged in profiling code.
5215 * config/sh/superh.h (STARTFILE_SPEC): Override.
5216 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5217 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5218 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5220 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5221 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5222 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5224 * sh.opt (mpretend-cmove): New option.
5225 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5226 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5227 (movsicc): Add TARGET_PRETEND_CMOVE code.
5229 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5231 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5232 s390_class_max_nregs): New function prototypes.
5233 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5234 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5235 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5236 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5238 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5240 * dwarf2out.c (add_location_or_const_value_attribute): Call
5241 tree_add_const_value_attribute if nothing else works.
5242 (reference_to_unused): New.
5243 (rtl_for_decl_init): Use reference_to_unused to decide whether
5244 to output an initializer.
5246 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5249 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5250 peephole removing spe frob_di_df_2.
5252 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5254 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5255 (subscript_dependence_tester_1): Declared.
5256 (print_dir_vectors, print_dist_vectors): New.
5257 (debug_data_dependence_relation): New.
5258 (dump_data_dependence_relation): Print more details.
5259 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5260 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5261 (save_dist_v, save_dir_v, add_outer_distances,
5262 build_classic_dist_vector_1): New.
5263 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5264 Don't test for lambda_vector_lexico_pos.
5265 (same_access_functions, add_multivariate_self_dist,
5266 add_other_self_distances, dir_from_dist): New.
5267 (build_classic_dir_vector): Replace implementation almost identical to
5268 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5270 (subscript_dependence_tester_1): New.
5271 (subscript_dependence_tester): Handle the lexicographically negative
5272 distance vectors by recomputing the dependence relation.
5273 (compute_affine_dependence): Remove parameter loop_nest_depth.
5274 (compute_self_dependence): Don't call compute_subscript_distance.
5275 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5276 Add a parameter for the loop_nest.
5277 (find_loop_nest_1, find_loop_nest): New.
5278 (compute_data_dependences_for_loop): Compute the loop nest, and give
5279 up if the nest is not well formed.
5280 * tree-data-ref.h (loop_p): New.
5281 (struct data_dependence_relation): Replace size_vect field with
5282 loop_nest, a vec of loops.
5283 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5284 (DDR_LOOP_NEST): New.
5285 (print_dir_vectors, print_dist_vectors,
5286 debug_data_dependence_relation): Declared.
5287 (index_in_loop_nest): New.
5288 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5289 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5292 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5294 * simplify-rtx.c (simplify_relational_operation): Call
5295 simplify_relational_operation_1 even if mode is VOIDmode.
5297 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5299 PR tree-optimization/26804
5300 * tree.h (DECL_CALL_CLOBBERED): New macro.
5301 (tree_decl_common): Add call_clobbered_flag.
5302 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5303 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5304 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5305 (mark_non_addressable): Ditto.
5306 * tree-ssa.c (verify_call_clobbered): New function.
5307 (verify_alias_info): Use it.
5308 * tree-pass.h (pass_reset_cc_flags): New prototype.
5309 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5310 (reset_cc_flags): New function.
5311 * passes.c (init_optimization_passes): Call reset_cc_flags after
5312 initializing referenced_vars.
5314 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5315 Roger Sayle <roger@eyesopen.com>
5318 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5319 to 1.0 for non-real operands. Implement A / A optimization for
5322 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5324 * config/i386/i386.c (size_cost): Correct the comment for
5325 cost of storing fp registers.
5326 (i386_cost): Likewise.
5327 (i486_cost): Likewise.
5328 (pentium_cost): Likewise.
5329 (pentiumpro_cost): Likewise.
5330 (k6_cost): Likewise.
5331 (athlon_cost): Likewise.
5332 (k8_cost): Likewise.
5333 (pentium4_cost): Likewise.
5334 (nocona_cost): Likewise.
5335 (generic64_cost): Likewise.
5336 (generic32_cost): Likewise.
5338 2006-03-24 Denis Chertykov <denisc@overta.ru>
5340 * config/avr/avr-protos.h (extra_constraint): Delete.
5341 (extra_constraint_Q): New declaration.
5342 * config/avr/constraints.md: New file.
5343 * config/avr/avr.md: Include it.
5344 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5345 (TMP_REGNO, ZERO_REGNO): Likewise.
5346 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5347 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5348 (extra_constraint): Delete.
5349 (extra_constraint_Q): Test for memory constraint 'Q'.
5350 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5351 (REG_CLASS_FROM_LETTER): Delete.
5352 (CONST_OK_FOR_LETTER_P): Delete.
5353 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5354 (EXTRA_CONSTRAINT): Delete.
5355 (TMP_REGNO): Delete.
5356 (ZERO_REGNO): Delete.
5358 2006-03-24 Jeff Law <law@redhat.com>
5360 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5361 directly. Call mark_new_vars_to_rename slightly earlier.
5363 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5365 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5367 (gen_compile_unit_die): Use new language types for Objective-C and
5369 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5370 DW_LANG_C_plus_plus.
5373 * config/t-darwin (crt3.o): Work around bug 26840.
5374 * config/darwin-crt3.c: Rewrite.
5375 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5377 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5379 * doc/invoke.texi: Document -femit-class-debug-always
5380 * common.opt: Add -femit-class-debug-always.
5382 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5384 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5385 index and base register.
5386 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5387 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5388 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5389 REGNO_OK_FOR_INDEX_P.
5390 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5392 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5393 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5394 REG_OK_FOR_BASE_P): Definitions removed.
5396 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5399 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5400 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5401 set yet or weren't marked as local yet.
5403 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5405 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5408 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5410 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5411 (rs6000_legitimate_small_data_p): Delete.
5412 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5413 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5414 and make static. Add forward declaration. Update uses.
5415 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5416 of offsettable_memref_p.
5417 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5418 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5420 2006-03-24 Jeff Law <law@redhat.com>
5422 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5423 around bug in immediate-use iterator.
5425 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5428 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5429 or __LITTLE_ENDIAN__.
5431 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5433 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5434 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5435 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5436 * config/sh/sh.opt (mdiv=): Amend description.
5437 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5438 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5439 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5440 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5441 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5442 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5443 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5444 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5445 TARGET_DIVIDE_CALL_FP.
5447 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5449 * haifa-sched.c (choose_ready): Fix type of the local variable.
5450 Move local variables. Add comment.
5451 (check_reg_live): Change signature. Make callable from debugger.
5452 * sched-int.h (check_reg_live): Update signature.
5453 * sched-ebb.c (check_reg_live): Update parameters.
5454 * sched-rgn.c (check_reg_live): Ditto.
5455 (region_head_or_leaf_p): Check pointer before dereferencing.
5456 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5457 before reload on optimization levels below 1.
5459 2006-03-23 Richard Henderson <rth@redhat.com>
5461 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5465 * config/alpha/predicates.md (local_symbolic_operand): Reject
5468 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5471 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5472 expressions which have overflowed constants.
5474 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5476 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5478 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5480 * cfgloopmanip.c (create_loop_notes): Removed.
5481 * final.c (final_scan_insn): Do not handle loop notes.
5482 * jump.c (squeeze_notes): Ditto.
5483 * cfglayout.c (skip_insns_after_block,
5484 duplicate_insn_chain): Ditto.
5485 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5487 * cfgloop.h (create_loop_notes): Declaration removed.
5489 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5491 * varasm.c (output_constant_pool): Restore fnname and fndecl
5493 (assemble_start_function): Adjust call accordingly.
5494 (assemble_end_function): Likewise.
5496 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5499 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5502 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5504 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5507 * system.h (ICE_EXIT_CODE): New macro.
5508 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5509 (diagnostic_action_after_output): Likewise.
5510 * gcc.c (fatal_ice): New function.
5511 (execute): Use it instead of fatal.
5512 (fancy_abort): Likewise.
5513 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5515 2006-03-22 Jeff Law <law@redhat.com>
5517 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5518 iv_analyze_result returning false.
5520 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5522 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5524 2006-03-22 Richard Henderson <rth@redhat.com>
5527 * except.c (duplicate_eh_regions_0): New.
5528 (duplicate_eh_region_1): Duplicate the children of the node as
5529 well as the node itself. Link them up properly.
5530 (duplicate_eh_region_2): Merge into ...
5531 (duplicate_eh_regions): ... here. Take copy_region argument, and
5532 copy only a sub-tree if asked. Simplify copying and fixup.
5533 (eh_region_outer_p): New.
5534 * except.h (duplicate_eh_regions): Update decl.
5535 (eh_region_outer_p): Declare.
5536 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5537 (lower_omp_master): Likewise.
5538 (lower_omp_ordered): Likewise.
5539 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5540 (move_stmt_r): Use it to remap labels. Handle recursion vs
5541 remap_decls_p properly.
5542 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5543 (find_outermost_region_in_block): New.
5544 (new_label_mapper): New.
5545 (move_sese_region_to_fn): Copy eh information to the new function
5547 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5549 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5552 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5554 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5555 into shared libraries.
5557 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5559 * doc/md.texi: Refer to i386/constraints.md instead of
5561 * config/i386/constraints.md: New file, extracted from...
5562 * config/i386/predicates.md: ...here.
5563 * config/i386/i386.md: Include constraints.md.
5565 2006-03-21 Jason Merrill <jason@redhat.com>
5567 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5570 * expr.c (init_block_move_fn): Force default visibility.
5571 (init_block_clear_fn): Likewise.
5572 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5573 * targhooks.c (default_external_stack_protect_fail): Likewise.
5575 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5577 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5578 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5579 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5580 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5581 (loadgp): Use mips_current_loadgp_style.
5582 (loadgp_noshared): New pattern.
5583 (sibcall_internal): Use MIPS_CALL.
5584 (sibcall_value_internal): Likewise.
5585 (sibcall_value_multiple_internal): Likewise.
5586 (call_internal): Likewise.
5587 (call_value_internal): Likewise.
5588 (call_value_multiple_internal): Likewise.
5589 (call_split): Use MIPS_CALL and add an 'S' constraint.
5590 (call_value_split): Likewise.
5591 (call_value_multiple_split): Likewise.
5592 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5593 (-mshared): New option.
5594 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5595 (mips_current_loadgp_style): Declare.
5596 * config/mips/mips.c (mips_classify_symbol): Avoid using
5597 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5598 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5599 TARGET_ABSOLUTE_ABICALLS.
5600 (override_options): Adjust comments. Improve the warning that is
5601 issued when -mabicalls and -G are used together.
5602 (mips_file_start): Remove comment.
5603 (mips_current_loadgp_style): New function.
5604 (mips_gnu_local_gp): New variable.
5605 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5607 (mips_output_function_prologue): Use mips_current_laodgp_style.
5608 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5609 the cprestore instruction.
5610 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5611 live for TARGET_ABSOLUTE_ABICALLS.
5612 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5613 (ASM_SPEC): Pass down -mshared and -mno-shared.
5614 (MIPS_CALL): New macro.
5615 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5617 * doc/invoke.texi (-mabicalls): Update documentation.
5618 (-mshared): Document.
5620 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5622 * config/ia64/unwind-hpux.c: New file.
5623 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5625 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5628 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5630 2006-03-21 Jeff Law <law@redhat.com>
5632 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5633 type conversions of a VR_VARYING source to a wider type.
5635 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5637 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5638 tm_file on Solaris 10 and later.
5639 (sparc64-*-solaris2*): Likewise.
5640 (sparc-*-solaris2*): Likewise.
5641 * config/sol26.h: Rename to config/sol2-6.h.
5642 * config/sol2-10.h: New file.
5644 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5647 * tree-ssa-pre.c (create_component_ref_by_pieces):
5650 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5653 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5654 return it immediately.
5656 2006-03-21 Michael Matz <matz@suse.de>
5658 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5660 (remove_arc, add_arc): Update num_out_arcs member.
5661 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5663 (cache_presence): New function.
5664 (compare_states_for_equiv): New function.
5665 (state_is_differed): Don't take number of outargs, adjust callers.
5666 Use new invariant for speeding up.
5667 (init_equiv_class): Create initial classes based on sorted
5669 (partition_equiv_class): Don't track out_arcs_num.
5670 (evaluate_equiv_classes): Call cache_presence on all states and
5673 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5675 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5676 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5677 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5678 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5680 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5681 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5682 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5683 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5684 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5686 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5687 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5688 (REGNO_REG_CLASS): ARGP is in PREGS.
5689 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5691 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5692 to deal with those addresses.
5693 * addresses.h: New file.
5694 * caller-save.c: Include "addresses.h".
5695 (init_caller_save): Use new base_reg_class function.
5696 * rtl-factoring.c: Include "addresses.h".
5697 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5698 * recog.c: Include "addresses.h".
5699 (preprocess_constraints): Use new base_reg_class function.
5700 * regrename.c: Include "addresses.h".
5701 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5702 functions. Keep track of a new var INDEX_CODE to compute valid
5704 (replace_oldest_value_addr): Likewise.
5705 (replace_oldest_value_mem): Use base_reg_class.
5706 * reload.c: Include "addresses.h".
5707 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5708 (find_reloads): Use new base_reg_class function.
5709 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5710 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5711 all callers and prototype changed.
5712 * reload1.c: Include "addresses.h".
5713 (maybe_fix_stack_asms): Use base_reg_class.
5714 * regclass.c: Include "addresses.h".
5715 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5716 (init_reg_autoinc): Use new base_reg_class function.
5717 (record_reg_classes): Likewise.
5718 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5719 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5720 Use new args to compute necessary class.
5722 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5723 regrename.o, rtl-factoring.o): Update dependencies.
5724 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5725 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5726 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5727 REG_OK_FOR_INDEX_P): Delete documentation.
5729 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5731 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5732 from V7 to V9 for Solaris 7 and above.
5734 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5736 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5737 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5738 argument pointers may not alias any other storage.
5739 * common.opt: Define option -fargument-noalias-anything.
5740 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5741 alias semantics is specified by flag_argument_noalias > 2.
5743 2006-03-20 Jeff Law <law@redhat.com>
5745 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5746 (pass_phi_only_cprop): Declare.
5747 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5749 * tree-ssa-dom.c (degenerate_phi_result): New function.
5750 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5751 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5752 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5753 (eliminate_degenerate_phis): Likewise.
5754 (pass_phi_only_cprop): New pass descriptor.
5755 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5756 support code. Callers updated.
5757 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5758 (store_copy_prop): Likewise.
5759 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5761 2006-03-20 Jason Merrill <jason@redhat.com>
5764 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5765 (push_visibility, pop_visibility): Likewise.
5766 * c-pragma.h: Declare them.
5768 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5770 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5772 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5773 parameter and use get_ebb_head_tail.
5774 (sh_md_init_global): Adjust uses of find_regmode_weight.
5776 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5778 * function.h (struct function) <x_tail_recursion_reentry>:
5779 Rename to x_stack_check_probe_note.
5780 (tail_recursion_reentry): Rename to stack_check_probe_note.
5781 * function.c: Replace tail_recursion_reentry with
5782 stack_check_probe_note everywhere.
5783 (expand_function_start): Only emit a note for
5784 stack_check_probe_note with -fstack-protect.
5785 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5787 * emit-rtl.c (remove_unnecessary_notes): Remove.
5788 (pass_remove_unnecessary_notes): Remove.
5789 * rtl.h (remove_unnecessary_notes): Remove prototype.
5790 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5791 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5792 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5794 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5797 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5798 (valid_in_set): Handle ARRAY_REF.
5799 Change "if min_variant or VH" to asserts.
5800 (create_component_ref_by_pieces): Handle ARRAY_REF.
5801 (create_expression_by_pieces): Likewise.
5802 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5804 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5806 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5807 is operand of switch, not str[0].
5809 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5811 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5812 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5814 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5816 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5817 end of insn_extra_address_constraint declaration.
5819 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5821 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5822 (no-sum-in-toc): Same.
5823 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5825 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5826 NO_FP_IN_TOC for -fPIC instead of mask.
5828 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5829 (BOOT_LDFLAGS): Delete.
5831 * config/rs6000/t-aix52: Same.
5833 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5834 (stmsi[345678]_power): New.
5836 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5838 * config/ia64/ia64.opt: Add empty line to end of file.
5840 2006-03-17 Richard Guenther <rguenther@suse.de>
5843 * builtins.c (get_pointer_alignment): For component style references
5844 adjust alignment to the component type alignment. Make sure
5845 to adjust alignment for component access of constants.
5847 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5849 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5852 2006-03-17 Paul Brook <paul@codesourcery.com>
5854 * doc/install.texi: Docuemnt --with-mode.
5855 * config.gcc: Add --with-mode for arm*-*-*.
5856 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5858 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5860 * sh.c (max_labelno_before_reorg): New variable.
5861 (sh_reorg): Initialize it.
5862 (find_barrier): Check max_labelno_before_reorg before using
5863 label_to_alignment. Take length of explicit alignment insns
5864 into account. When seeing a UNSPECV_CONST_END, return it.
5866 * sh.c (fixup_mova): Set mode of affected label to QImode.
5867 (untangle_mova): New function.
5868 (find_barrier): Use it. Check mode of label before decrementing
5870 (sh_reorg): Likewise.
5871 Set mode of all insns back to VOIDmode.
5873 * sh.c (MOVA_LABELREF): New macro.
5874 (mova_p, fixup_mova, sh_reorg): Use it.
5875 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5876 ADDR_DIFF_VEC matches mova.
5878 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5880 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5881 with ATTRIBUTE_UNUSED.
5883 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5885 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5886 pointer, instead of assuming it is possible to derive the
5887 correct args size from a call insn.
5889 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5891 * rtl.h (CONST_INT_P): Define.
5892 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5893 instead of GET_CODE(x) == CONST_INT.
5894 (vax_rtx_costs): Likewise.
5895 (vax_output_int_move): Likewise.
5896 (vax_output_int_add): Likewise.
5897 (legitimate_constant_address_p): Likewise.
5898 (index_term_p): Likewise.
5899 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5900 * config/vax/vax.md (and<mode>3): Likewise.
5901 (ashrsi3): Likewise.
5903 (movstricthi): Likewise.
5904 (movstrictqi): Likewise.
5905 (rotrsi3): Likewise.
5906 (five unnamed insns): Likewise.
5908 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5910 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5911 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5912 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5913 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5914 Pass to ASM_OUTPUT_DWARF_OFFSET.
5915 * dwarf2out.c (debug_frame_section): New.
5916 (output_call_frame_info): Use debug_frame_section. Pass it to
5917 dw2_asm_output_offset.
5918 (output_die): Pass appropriate section to dw2_asm_output_offset.
5919 (output_compilation_unit_header): Likewise.
5920 (output_pubnames): Likewise.
5921 (output_aranges): Likewise.
5922 (enum dw_val_class): Break dw_val_class_lbl_offset into
5923 dw_val_class_lineptr and dw_val_class_macptr.
5924 (add_AT_lbl_offset): Delete.
5925 (add_AT_lineptr): New.
5926 (add_AT_macptr): New.
5927 (AT_lbl): Expect a lineptr or macptr.
5928 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5929 (attr_checksum): Likewise.
5930 (same_dw_val_p): Likewise.
5931 (size_of_die): Likewise.
5932 (value_format): Likewise.
5933 (output_die): Likewise.
5934 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5936 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5937 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5938 * config/darwin-protos.h (darwin_file_start): New.
5939 (darwin_asm_output_dwarf_offset): New.
5940 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5941 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5943 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5944 if not EH section; simplify.
5945 (darwin_file_start): New.
5946 (darwin_asm_output_dwarf_offset): New.
5947 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5949 (DEBUG_INFO_SECTION): Likewise.
5950 (DEBUG_ABBREV_SECTION): Likewise.
5951 (DEBUG_ARANGES_SECTION): Likewise.
5952 (DEBUG_MACINFO_SECTION): Likewise.
5953 (DEBUG_LINE_SECTION): Likewise.
5954 (DEBUG_LOC_SECTION): Likewise.
5955 (DEBUG_PUBNAMES_SECTION): Likewise.
5956 (DEBUG_STR_SECTION): Likewise.
5957 (DEBUG_RANGES_SECTION): Likewise.
5958 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5959 (ASM_OUTPUT_DWARF_OFFSET): New.
5961 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5963 * config.gcc (tm_defines): Always add to previous value rather
5966 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5968 * config/mips/predicates.md (splittable_const_int_operand): New,
5969 split from move_operand.
5970 (splittable_symbolic_operand): New.
5971 (move_operand): Add commentary. Use splittable_const_int_operand.
5972 Inline mips_atomic_symbolic_constant_p.
5973 * config/mips/mips.md: Add combine splitters for handling moves
5974 of splittable_const_int_operands and splittable_symbolic_operands.
5975 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5976 (mips_split_symbol): Declare.
5977 (mips_move_integer): Declare.
5978 * config/mips/mips.c (mips_split_p): Make global.
5979 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5980 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5981 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5982 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5983 (mips_offset_within_object_p): Handle block symbols.
5984 (mips_atomic_symbolic_constant_p): Delete.
5985 (mips_cannot_force_const_mem): Return false for constants that
5986 mips_legitimize_move can handle.
5987 (mips_use_blocks_for_constant_p): New function.
5988 (mips_split_symbol): Make global.
5989 (mips_move_integer): Likewise. Add a temporary register argument.
5990 (mips_legitimize_const_move): Use splittable_const_int_operand and
5991 splittable_symbolic_operand.
5992 (mips_use_anchors_for_symbol_p): New function.
5993 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5994 (mips_split_p): Declare.
5996 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5998 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5999 (mips*-*-linux*): Likewise.
6001 2006-03-16 Roger Sayle <roger@eyesopen.com>
6002 Daniel Speyer <dspeyer@wam.umd.edu>
6005 * tree-dump.c (dump_real): New function.
6006 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6007 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6008 (tree-dump.o): Add $(REAL_H) to the dependencies.
6010 2006-03-16 Roger Sayle <roger@eyesopen.com>
6013 * real.c (real_from_string): If the mantissa is zero, don't bother
6014 parsing the exponent as the result should always be zero.
6016 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6018 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6020 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6022 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6023 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6024 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6025 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6026 ia64_sched_finish_global): New static functions to implement
6027 hooks from gcc_target.sched.
6028 (spec_check_no, max_uid, pending_data_specs): New static variables.
6029 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6030 ia64_spec_check_src_p): New static functions.
6031 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6032 (TARGET_SCHED_ADJUST_COST): Removed.
6033 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6034 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6035 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6036 TARGET_SCHED_GEN_CHECK,
6037 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6038 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6039 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6040 Fixed to handle speculation checks.
6041 (rtx_needs_barrier): Fixed to handle speculative loads and
6043 (ia64_variable_issue): Added code to count speculative loads and their
6045 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6047 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6049 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6051 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6052 (ia64_reorg): Reset stops_p to NULL after it is freed.
6053 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6054 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6055 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6057 (data_speculative, control_speculative, check_load): New attributes.
6058 (mov<mode>_advanced, mov<mode>_speculative,
6059 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6060 zero_extend<mode>di2_speculative,
6061 zero_extend<mode>di2_speculative_advanced): New patterns for
6062 data and control speculative loads.
6063 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6065 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6066 New pattern for data and control speculation checks.
6067 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6068 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6069 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6070 Auxiliary definitions for the patterns.
6071 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6072 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6074 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6076 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6077 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6078 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6079 New resource constraints.
6080 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6082 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6083 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6084 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6085 msched-in-control-spec, msched-ldc, msched-control-ldc,
6086 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6087 msched-prefer-non-control-spec-insns,
6088 msched-count-spec-in-critical-path): New flags to tune speculative
6090 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6091 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6092 msched-in-control-spec, msched-ldc, msched-control-ldc,
6093 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6094 msched-prefer-non-control-spec-insns,
6095 msched-count-spec-in-critical-path): Document new flags.
6097 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6099 * target.h (struct spec_info_def): New opaque declaration.
6100 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6101 speculate_insn, needs_block_p, gen_check,
6102 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6103 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6104 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6105 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6106 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6107 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6109 (TARGET_SCHED): Use new macros.
6110 * rtl.h (copy_DEPS_LIST_list): New prototype.
6111 * sched-int.h (struct sched_info): Change signature of new_ready field,
6112 adjust all initializations. New fields: add_remove_insn,
6113 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6114 region_head_or_leaf_p.
6115 (struct spec_info_def): New structure declaration.
6116 (spec_info_t): New typedef.
6117 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6118 recovery_block, orig_pat.
6119 (glat_start, glat_end): New variables declaraions.
6120 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6122 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6123 DETACH_LIFE_INFO, USE_GLAT.
6124 (enum SPEC_SCHED_FLAGS): New enumeration.
6125 (NOTE_NOTE_BB_P): New macro.
6126 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6127 attach_life_info, debug_spec_status, check_reg_live): New functions.
6128 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6129 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6131 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6132 * ddg.c (get_block_head_tail): Adjust all uses.
6133 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6134 (sms_sched_info): Initialize new fields.
6135 (contributes_to_priority): Removed.
6136 * haifa-sched.c (params.h): New include.
6137 (get_block_head_tail): Adjust all uses.
6138 (ISSUE_POINTS): New macro.
6139 (glat_start, glat_end): New global variables.
6140 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6141 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6142 old_last_basic_block, before_recovery, current_sched_info_var,
6143 rgn_n_insns, luid): New static variables.
6144 (insn_cost1): New function. Move logic from insn_cost to here.
6145 (find_insn_reg_weight1): New function. Move logic from
6146 find_insn_reg_weight to here.
6147 (reemit_notes, move_insn, max_issue): Change signature.
6148 (move_insn1): Removed.
6149 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6150 extend_bb): New static functions to support extension of scheduler's
6152 (generate_recovery_code, process_insn_depend_be_in_spec,
6153 begin_speculative_block, add_to_speculative_block,
6154 init_before_recovery, create_recovery_block, create_check_block_twin,
6155 fix_recovery_deps): New static functions to support
6156 generation of recovery code.
6157 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6158 restore_bb_notes, move_block_after_check, move_succs): New static
6159 functions to support ebb scheduling.
6160 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6161 functions to support handling of register live information.
6162 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6163 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6164 add_jump_dependencies): New static functions.
6165 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6166 consistancy checking.
6167 (debug_spec_status): New function to call from debugger.
6168 (priority): Added code to handle speculation checks.
6169 (rank_for_schedule): Added code to distinguish speculative instructions.
6170 (schedule_insn): Added code to handle speculation checks.
6171 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6172 Fixed to handle ebbs.
6173 (move_insn): Added code to handle ebb scheduling.
6174 (max_issue): Added code to use ISSUE_POINTS of instructions.
6175 (choose_ready): Added code to choose between speculative and
6176 non-speculative instructions.
6177 (schedule_block): Added code to handle ebb scheduling and scheduling of
6178 speculative instructions.
6179 (sched_init): Initialize new variables.
6180 (sched_finish): Free new variables. Print statistics.
6181 (try_ready): Added code to handle speculative instructions.
6182 * lists.c (copy_DEPS_LIST_list): New function.
6183 * sched-deps.c (extend_dependency_caches): New function. Move logic
6184 from create_dependency_caches to here.
6185 (get_dep_weak, ds_merge): Make global.
6186 * genattr.c (main): Code to output prototype for
6187 dfa_clear_single_insn_cache.
6188 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6189 (output_dfa_clean_insn_cache_func): Code to output
6190 dfa_clear_single_insn_cache function.
6191 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6193 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6195 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6196 New static variables.
6197 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6198 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6200 (ebb_sched_info): Initialize new fields.
6201 (get_block_head_tail): Adjust all uses.
6202 (compute_jump_reg_dependencies): Fixed to use glat_start.
6203 (schedule_ebb): Code to remove unreachable last block.
6204 (schedule_ebbs): Added code to update register live information.
6205 * sched-rgn.c (region_sched_info): Initialize new fields.
6206 (get_block_head_tail): Adjust all uses.
6207 (last_was_jump): Removed. Adjust users.
6208 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6209 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6210 Implement new hooks.
6211 (check_dead_notes1): New static function.
6212 (struct region): New fields: dont_calc_deps, has_real_ebb.
6213 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6214 (BB_TO_BLOCK): Fixed to handle EBBs.
6215 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6216 (ebb_head): New static variable.
6217 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6218 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6220 (compute_dom_prob_ps): New assertion.
6221 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6222 global_live_at_start.
6223 (init_ready_list): New assertions.
6224 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6225 (new_ready): Add support for BEGIN_CONTROL speculation.
6226 (schedule_insns): Fixed code that updates register live information
6228 (schedule_region): Fixed to handle EBBs.
6229 (init_regions): Use extend_regions and check_dead_notes1.
6230 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6231 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6232 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6233 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6234 TARGET_SCHED_GEN_CHECK,
6235 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6236 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6237 * doc/invoke.texi (max-sched-insn-conflict-delay,
6238 sched-spec-prob-cutoff): Document.
6240 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6242 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6243 inter_tick, queue_index.
6244 (struct sched_info): Change signature of init_ready_list field.
6245 Adjust all initializations.
6246 (RESOLVED_DEPS): New access macro.
6247 (ready_add): Remove prototype.
6248 (try_ready): Add prototype.
6249 * sched-rgn.c (init_ready_list): Use try_ready.
6250 (schedule_region): Initialize
6251 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6252 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6253 (init_ready_list): Use try_ready.
6254 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6255 * lists.c (remove_list_elem): Remove `static'.
6256 (remove_free_INSN_LIST_elem): New function.
6257 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6258 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6259 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6261 (readyp): New variable.
6262 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6263 change_queue_index, resolve_dep): New static functions.
6264 (try_ready): New function. Adjust callers in sched-rgn.c and
6265 sched-ebb.c to use it instead of ready_add.
6266 (clock_var): Move at the begining of file.
6267 (rank_for_schedule): Fix typo.
6268 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6269 (ready_lastpos): Enforce assertion.
6270 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6272 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6273 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6274 (queue_to_ready): Use free_INSN_LIST_list.
6275 (early_queue_to_ready): Fix typo.
6276 (schedule_block): Init readyp. Move init_ready_list call after the
6277 initialization of clock_var. Fix error in rejecting insn by
6278 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6279 that previously corrected INSN_TICKs. Add code for handling
6281 (set_priorities): Fix typo.
6282 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6283 Clarify comment and code that keeps current_sched_info->next_tail
6286 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6288 * sched-rgn.c (extend_rgns): New static function.
6289 (find_rgns): Use it.
6290 (gather_region_statistics, print_region_statistics): New static
6292 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6293 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6295 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6296 Andrey Belevantsev <abel@ispras.ru>
6298 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6299 * lists.c (unused_deps_list): New variable.
6300 (free_list): Add assertions to verify the proper distinguishing
6301 between INSN_LISTs and DEPS_LISTs.
6302 (find_list_elem, remove_list_elem, remove_list_node): New static
6304 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6305 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6306 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6307 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6309 (free_INSN_LIST_node): Likewise.
6310 * modulo-sched.c (current_sched_info): Initialize flags field.
6311 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6312 * rtl.def (DEPS_LIST): Define.
6313 * rtl.h: Declare new functions from lists.c.
6314 * sched-deps.c (spec_dependency_cache): New static variable.
6315 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6316 (add_dependence): Change return type to void. Move the logic to ...
6317 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6318 (delete_all_dependences): Add comment about forward_dependency_cache.
6319 Handle spec_dependency_cache. Handle DEPS_LISTs.
6320 (fixup_sched_groups): Clarify the change of priority of output
6321 and anti dependencies.
6322 (sched_analyze_2): Adjust add_dependence calls to create data
6323 speculative dependence.
6324 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6325 Adjust all callers. Handle DEPS_LISTS.
6326 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6327 presence of speculation.
6328 (init_dependency_caches, free_dependency_caches):
6329 Handle spec_dependency_cache.
6330 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6331 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6332 New static functions.
6333 (add_or_update_back_dep, add_or_update_back_forw_dep,
6334 add_back_forw_dep, delete_back_forw_dep): New functions.
6335 * sched-int.h (ds_t, dw_t): New typedefs.
6336 (struct sched_info): Add new field flags.
6337 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6338 Prototype new sched-deps.c functions.
6339 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6340 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6341 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6342 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6343 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6344 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6346 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6348 * sched-rgn.c (current_sched_info): Initialize flags field.
6349 (schedule_insns): Initialize current_sched_info before the sched_init
6351 * sched-ebb.c (current_sched_info): Initialize flags field.
6352 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6353 Call add_or_update_back_dep instead of add_dependence.
6354 Create control speculative dependencies.
6355 (schedule_insns): Initialize current_sched_info before the sched_init
6358 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6360 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6362 (sh_fallback_frame_state): Likewise.
6364 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6366 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6367 Do switch on default_use_cxa_atexit.
6368 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6369 * config/darwin-crt3.o: New.
6370 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6371 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6372 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6374 * config/rs6000/t-darwin: Move crt2.o building to here.
6375 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6376 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6379 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6381 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6382 from '! xxx' to '!xxx' for coding-style conformance.
6383 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6384 (EXTRA_CONSTRAINT): Likewise.
6385 * config/vax/vax.md (four unnamed insns): Likewise.
6387 2006-03-15 Paul Brook <paul@codesourcery.com>
6389 * config/arm/arm.c (minipool_pad): New.
6390 (add_minipool_forward_ref): Include pool alignment padding in address
6392 (push_minipool_fix): Set minipool_pad.
6393 (minipool_pad): Ditto.
6395 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6397 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6398 instead of GET_CODE() == MEM and REG_P() instead of
6400 (print_operand_address): Likewise.
6401 (vax_address_cost): Likewise.
6402 (vax_rtx_costs): Likewise.
6403 (vax_notice_update_cc): Likewise.
6404 (vax_output_int_add): Likewise.
6405 (INDEX_REGISTER_P): Likewise.
6406 (BASE_REGISTER_P): Likewise.
6407 (nonindexed_address_p): Likewise.
6408 (vax_mode_dependent_address_p): Likewise.
6409 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6410 (PRINT_OPERAND): Likewise.
6411 * config/vax/vax.md (ashlsi3): Likewise.
6412 (ashlsi3): Likewise.
6413 (some more unnamed insns): Likewise.
6415 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6417 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6418 iterator-style macro.
6419 (mark_control_dependent_edges_necessary): Update the use of
6420 EXECUTE_IF_CONTROL_DEPENDENT.
6422 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6424 * config/sh/predicates.md (cache_address_operand): Special.
6425 (ua_address_operand): Likewise.
6427 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6429 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6431 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6433 2006-03-15 Andreas Schwab <schwab@suse.de>
6435 * gensupport.c (identify_predicable_attribute): Don't free p_false
6436 when it is still in use.
6438 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6440 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6441 the default setting here.
6443 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6445 * tree-pass.h (pass_cfg): Remove.
6446 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6447 * passes.c (pass_cfg): Don't run it.
6449 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6451 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6452 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6454 (stack_regs_mentioned): Update the uses of
6455 stack_regs_mentioned_data. Don't access the array beyond its
6457 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6458 Don't include gt-reg-stack.h.
6460 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6461 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6463 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6466 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6469 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6471 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6473 2006-03-14 Richard Guenther <rguenther@suse.de>
6475 PR tree-optimization/26672
6476 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6479 2006-03-14 Richard Guenther <rguenther@suse.de>
6481 PR tree-optimization/26667
6482 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6483 node for the callees. Always allow inlining if it will shrink
6486 2006-03-14 Richard Guenther <rguenther@suse.de>
6489 * builtins.c (get_pointer_alignment): Prefer alignment
6490 information from decls over that from types.
6492 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6495 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6497 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6499 * config/rs6000/rs6000.opt (mdlmzb): New option.
6500 (msched-prolog, msched-epilog): Use Var not Mask.
6501 * doc/invoke.texi (-mdlmzb): Document.
6502 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6504 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6505 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6507 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6509 PR rtl-optimization/25739
6510 * bt-load.c (augment_live_range): Free tos pointer.
6512 * gensupport.c (identify_predicable_attribute): Free
6514 * gcov.c (create_file_names): Free name pointer.
6516 2006-03-13 Roger Sayle <roger@eyesopen.com>
6519 * stmt.c (emit_case_nodes): Handle the case where the index is a
6520 CONST_INT, where the comparison mode is specified by the index type.
6522 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6524 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6527 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6529 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6530 (*branch_fp_inverted): Likewise.
6532 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6535 * omp-low.c (expand_omp_for_generic): Mark istart0
6536 and iend0 as addressable.
6538 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6540 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6542 2006-03-13 Jeff Law <law@redhat.com>
6544 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6545 virtual operands are interesting.
6546 (vrp_visit_stmt): Corresponding changes.
6548 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6550 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6552 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6553 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6554 * config/bfin/crti.S: Use it instead of __PIC__.
6555 * config/bfin/crtn.S: Likewise.
6557 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6558 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6560 Lose 'G' modifier for call operand.
6561 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6562 recognize 'G' modifier.
6564 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6567 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6568 * stmt.c (expand_case): Likewise.
6570 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6572 PR rtl-optimization/26254
6573 * loop-invariant.c (seq_insns_valid_p): New function.
6574 (move_invariant_reg): Only emit new code if it is valid.
6576 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6578 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6580 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6581 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6582 (commit_one_edge_insertion): Do not look for loop notes.
6584 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6586 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6587 flag_test_coverage out of loop.
6589 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6591 * final.c (shorten_branches): Remove outdated comment, and turn
6592 the if branch that guards it to continue.
6594 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6596 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6597 * cfgloop.h (struct loop): Remove unused fields.
6599 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6601 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6602 (-dL, -fdump-rtl-loop2): Update the dump file names
6604 * doc/invoke.texi: Update dump file names.
6606 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6608 * predict.c (estimate_probability): Remove.
6609 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6610 * basic-block.h (estimate_probability): Remove prototype.
6611 * passes.c (finish_optimization_passes): Dump branch prediction or
6612 profiling heuristics to the .profile tree dump.
6613 (init_optimization_passes): Unqueue pass_branch_prob.
6615 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6617 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6619 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6620 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6622 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6624 * function.h (frame_offset_overflow): Declare.
6625 * function.c (frame_offset_overflow): New function.
6626 (assign_stack_local_1): Call it to detect that the offset overflows.
6627 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6629 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6631 * config/sh/sh.c: Include alloc-pool.h.
6632 (label_ref_list_pool): New alloc pool.
6633 (label_ref_list_t): New type for lists of labels.
6634 (struct pool_node): Make wend a label_ref_list_t.
6635 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6637 (dump_table): Likewise.
6638 (sh_reorg): Set up the alloc pool before using add_constant and
6639 dump_table, and destroy it when finishing.
6641 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6643 * config/mips/mips.c: Remove redundant comment.
6645 2006-03-10 Jason Merrill <jason@redhat.com>
6648 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6649 the target was declared 'register'.
6651 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6653 * genpreds.c (write_insn_constraint_len): Change definition of
6654 insn_constraint_len to return size_t to match the declaration.
6656 2006-03-10 DJ Delorie <dj@redhat.com>
6658 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6660 (m32c_expand_insv): Fix test for an AND mask.
6662 2006-03-10 Richard Guenther <rguenther@suse.de>
6665 * builtins.c (get_pointer_alignment): Handle component
6666 references for field alignment.
6668 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6670 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6671 when building with libgloss.
6672 (sh*elf): Implement --without-fp option.
6673 (sh64-superh-linux*): Don't multilib.
6675 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6677 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6679 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6681 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6682 Set it when one of the replacement functions returned true.
6683 Return TODO_cleanup_cfg if cfgchanged is true.
6684 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6686 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6688 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6689 instead of gen_lowpart.
6691 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6693 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6695 (mips_output_order_conditional_branch): Declare.
6696 * config/mips/mips.h (MIPS_BRANCH): New macro.
6697 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6698 for the comparison. Use gen_condjump.
6699 (mips_output_conditional_branch): Rework interface to take the
6700 asm templates for a direct branch and the inverse of a direct branch.
6701 (mips_output_order_conditional_branch): New function.
6702 (mips_builtin_branch_and_move): New function.
6703 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6704 branch condition. Use gen_single_cc as the condition for
6705 __builtin_mips_upper_* or __builtin_mips_lower_*.
6706 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6707 Use VOIDmode for the branch condition.
6708 * config/mips/predicates.md (order_operator): New predicate.
6709 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6710 (branch_fp): Rename to...
6711 (*branch_fp): ...this. Remove mode from comparison operator.
6712 Use new mips_output_conditional_branch interface.
6713 (branch_fp_inverted): Rename to...
6714 (*branch_fp_inverted): ...this and update as for *branch_fp.
6715 (*branch_zero<mode>): Rename to...
6716 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6717 Use mips_output_order_conditional_branch. Only accept ordered
6719 (*branch_zero<mode>_inverted): Rename to...
6720 (*branch_order<mode>_inverted): ...this and update as for
6721 *branch_order<mode>.
6722 (*branch_equality<mode>): Accept zero as the second operand to
6723 the equality operator. Use the new mips_output_conditional_branch
6725 (*branch_equality<mode>_inverted): Likewise.
6726 (condjump): New expander.
6727 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6729 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6730 (bc1any2t, bc1any2f): Likewise.
6731 (single_cc): New expander.
6732 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6734 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6736 * doc/md.texi: Update documentation of MIPS constraints.
6737 * config/mips/constraints.md: New file.
6738 * config/mips/mips.md: Include it.
6739 * config/mips/mips.c (mips_char_to_class): Delete.
6740 (override_options): Don't initialize mips_char_to_class.
6741 * config/mips/mips.h (mips_char_to_class): Delete.
6742 (REG_CLASS_FROM_LETTER): Delete.
6743 (CONST_OK_FOR_LETTER_P): Delete.
6744 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6745 (EXTRA_CONSTRAINT_Y): Delete.
6746 (EXTRA_CONSTRAINT_STR): Delete.
6747 (CONSTRAINT_LEN): Delete.
6748 (EXTRA_MEMORY_CONSTRAINT): Delete.
6750 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6752 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6753 original fn's eh regions.
6755 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6757 * fold-const.c (build_range_check): Make sure to use a valid type to
6758 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6761 (range_predecessor): New static function.
6762 (range_successor): Likewise.
6763 (merge_ranges): Use them to compute predecessors and successors of
6766 2006-03-09 Roger Sayle <roger@eyesopen.com>
6769 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6770 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6772 2006-03-08 DJ Delorie <dj@redhat.com>
6774 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6775 (addpsi3): Expand to include memory operands. Remove
6776 reload-specific splits.
6777 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6778 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6779 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6780 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6781 (shift1_qi, shift1_hi, insv): New.
6782 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6783 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6784 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6786 * config/m32c/m32c-protos.h: Update as needed.
6787 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6788 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6789 Fail for unrecognized R* constraints.
6790 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6791 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6792 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6794 (m32c_init_libfuncs): New.
6795 (m32c_legitimate_address_p): Add debug wrapper.
6796 (m32c_rtx_costs): New.
6797 (m32c_address_cost): New.
6798 (conversions): Add 'B' prefix.
6799 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6800 operands, or word regnames for QI operands. 'B' prints bit
6802 (m32c_expand_setmemhi): New.
6803 (m32c_expand_movmemhi): New.
6804 (m32c_expand_movstr): New.
6805 (m32c_expand_cmpstr): New.
6806 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6807 (m32c_expand_neg_mulpsi3): Handle non-ints.
6808 (m32c_cmp_flg_0): New.
6809 (m32c_expand_movcc): New.
6810 (m32c_expand_insv): New.
6811 (m32c_scc_pattern): New.
6812 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6813 a0/a1 out of SIregs.
6814 (STORE_FLAG_VALUE): New.
6815 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6818 * config/m32c/mov.md: Make constraints more liberal.
6819 (zero_extendqihi2): Optimize r0/r1 case.
6820 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6821 * config/m32c/predicates.md (m32c_any_operand): New.
6822 (m32c_nonimmediate_operand): New.
6823 (m32c_hl_operand): New.
6824 (m32c_r3_operand): New.
6827 (memsym_operand): New.
6828 (memimmed_operand): New.
6829 (a_qi_operand): New.
6830 (m32c_eqne_operator): New.
6831 (m32c_1bit8_operand): New.
6832 (m32c_1bit16_operand): New.
6833 (m32c_1mask8_operand): New.
6834 (m32c_1mask16_operand): New.
6835 * config/m32c/blkmov.md: New file.
6836 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6838 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6840 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6841 unsigned to fix signed/unsigned comparison issue in
6842 DWARF2_FRAME_REG_OUT.
6843 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6844 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6846 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6847 of ptr into the ENABLE_CHECKING section.
6849 2006-03-08 Jeff Law <law@redhat.com>
6851 * tree-vrp.c (infer_value_range): Only count pointer uses
6852 and dereferences if -fdelete-null-pointer-checks is enabled.
6854 * tree-vrp.c (find_assert_locations): Infer value ranges for
6855 single use pointers, but do not create ASSERT_EXPRs for them.
6856 When a non-null range is inferred for a pointer, backwards
6857 propagate that range to other equivalent pointers through the
6860 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6863 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6864 language hook targets.
6865 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6866 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6867 if language hook targets were missing.
6869 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6871 * tree-ssa-opfinalize.h: Removed.
6872 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6874 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6875 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6876 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6877 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6878 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6879 finalize_ssa_v_must_def_ops): New.
6881 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6883 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6886 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6888 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6890 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6891 addresses with offsets; reorganize.
6893 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6894 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6895 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6897 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6900 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6902 2006-03-08 Ben Elliston <bje@au.ibm.com>
6904 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6906 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6909 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6912 2006-03-07 Richard Guenther <rguenther@suse.de>
6914 PR tree-optimization/26587
6915 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6917 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6919 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6921 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6923 * hooks.c (hook_bool_mode_rtx_true): New function.
6924 * hooks.h (hook_bool_mode_rtx_true): Declare.
6925 * toplev.c (compile_file): Call output_shared_constant_pool.
6926 * varasm.c (shared_constant_pool): New variable.
6927 (assemble_start_function, assemble_end_function): Remove arguments
6928 from call to output_constant_pool.
6929 (create_constant_pool): New function, split out from...
6930 (init_varasm_status): ...here.
6931 (force_const_mem): Choose between the shared and per-function constant
6932 pools. Set current_function_uses_const_pool when reusing old entries
6933 as well as when creating new ones.
6934 (mark_constant): Ignore data argument.
6935 (mark_constants): Remove pool argument.
6936 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6937 to decide whether the function uses a constant pool.
6938 (output_constant_pool_contents): New function, split out from...
6939 (output_constant_pool): ...here.
6940 (output_shared_constant_pool): New function.
6941 (init_varasm_once): Initialize shared_constant_pool.
6942 * output.h (output_constant_pool): Delete.
6943 (output_shared_constant_pool): Declare.
6944 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6945 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6947 2006-03-06 Nick Clifton <nickc@redhat.com>
6949 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6950 flag_strength_reduce.
6952 2006-03-06 Ben Elliston <bje@au.ibm.com>
6954 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6955 x86_64-*-linux* configurations.
6957 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6958 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6960 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6962 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6964 * basic-block.h: Remove the extern for
6965 rediscover_loops_after_threading.
6967 * cfgloop.c (cancel_loop): Make it static.
6968 * cfgloop.h: Remove the prototype for cancel_loop.
6970 * flow.c (recompute_reg_usage): Make it static.
6971 * rtl.h: Remove the prototype for recompute_reg_usage.
6973 * function.c (use_return_register): Make it static.
6974 * function.h: Remove the prototype.
6976 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6978 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6980 * recog.h: Remove the prototype for
6981 validate_change_maybe_volatile.
6983 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6985 * rtlanal.c (replace_reg): Remove.
6986 * rtl.h: Remove the prototype for replace_reg.
6988 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6990 * regclass.c (reg_scan_update): Remove.
6991 (reg_scan_mark_refs): Remove the last argument.
6992 * rtl.h: Remove the prototype for reg_scan_update.
6994 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6996 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6997 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6998 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6999 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7000 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7001 loop-invariant.c, omp-low.c, opts.c, passes.c,
7002 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7003 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7004 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7005 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7006 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7007 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7009 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7011 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7012 * dwarf2out.h: Remove the prototype for
7013 dwarf2out_add_library_unit_info.
7015 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7017 * tree.c (add_var_to_bind_expr): Remove.
7018 * tree.h: Remove the prototype for add_var_to_bind_expr.
7020 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7022 * regclass.c (n_non_fixed_regs): Remove.
7023 (init_reg_sets_1, globalize_reg): Remove all uses of
7025 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7027 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7029 * rtlanal.c (insns_safe_to_move_p): Remove.
7030 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7032 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7034 * expmed.c (expand_mult_add): Remove.
7035 * expr.h: Remove the prototype for expand_mult_add.
7037 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7039 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7040 and REG_SAVED_VAL_EXP constants.
7041 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7042 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7043 Handle regs stored by value.
7044 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7045 (execute_cfa_program): Handle DW_CFA_val_offset,
7046 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7047 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7048 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7049 (uw_install_context_1): Handle target regs stored by value.
7051 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7053 * tree-sra.c (tree_sra): Return todoflags;
7054 (generate_one_element): Set TODO_update_smt_usage if needed.
7055 (pass_sra): Remove TODO_update_smt_usage.
7056 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7058 (tree_ssa_forward_propagate_single_use_vars): Return
7059 TODO_update_smt_usage if we need to update SMT usage.
7060 (pass_forwprop): Remove TODO_update_smt_usage.
7062 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7064 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7065 (correct_use_link): Remove reference to get_stmt_operands.
7066 (update_stmt_operands): Likewise.
7067 (get_modify_expr_operands): New function factored out of
7068 parse_ssa_operands and get_expr_operands.
7069 Try to create V_MUST_DEFs for LHS by default.
7070 (get_expr_operands) <case MODIFY_EXPR>: Call
7071 get_modify_expr_operands.
7072 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7073 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7074 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7075 get_modify_expr_operands.
7077 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7079 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7080 * tree-flow.h: Remove the prototype for
7081 referenced_var_lookup_if_exists.
7083 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7085 PR rtl-optimization/26345
7087 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7089 2006-03-03 Roger Sayle <roger@eyesopen.com>
7091 PR tree-optimization/26524
7092 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7093 fold_convert to create a constant of the appropriate type.
7095 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7097 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7098 SYMBOL_REF_IN_BLOCK_P.
7099 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7100 of SYMBOL_FLAG_IN_BLOCK.
7101 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7102 instead of SYMBOL_REF_IN_BLOCK_P.
7103 * explow.c (use_anchored_address): Likewise.
7104 * rtl.c (rtx_size): Likewise.
7105 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7106 instead of SYMBOL_FLAG_IN_BLOCK.
7107 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7108 SYMBOL_REF_IN_BLOCK_P.
7109 (assemble_variable): Likewise.
7110 (output_constant_def_contents): Likewise.
7111 (output_constant_pool): Likewise.
7112 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7113 instead of SYMBOL_FLAG_IN_BLOCK.
7114 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7115 SYMBOL_REF_IN_BLOCK_P.
7116 (SYMBOL_REF_BLOCK): Likewise.
7117 (SYMBOL_REF_OFFSET): Likewise.
7118 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7119 SYMBOL_REF_IN_BLOCK_P.
7120 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7121 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7122 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7123 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7125 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7127 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7129 2006-03-02 Roger Sayle <roger@eyesopen.com>
7131 * simplify-rtx.c (simplify_unary_operation): When simplifying
7132 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7133 that we perform the right shift in the appropriate mode, and
7134 then extend or truncate the result to requested mode.
7136 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7138 * gengtype.c (main): Handle double_int type.
7139 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7140 * double-int.c: New file.
7141 * double-int.h: New file.
7142 * system.h: Include doubleint.h.
7143 * Makefile.in (SYSTEM_H): Include double-int.h.
7144 (double-int.o): Add.
7146 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7149 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7152 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7154 * tree-vrp.c (remove_range_assertions): Do not update statements
7157 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7159 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7161 * gcse.c (rest_of_handle_gcse): Ditto.
7162 * except.c (gate_handle_eh): Ditto.
7163 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7164 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7166 2006-03-02 Eric Christopher <echristo@apple.com>
7168 * config/i386/i386.c (machopic_output_stub): Add indirection to
7171 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7175 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7177 Sun Niagara specific optimizations.
7178 * config.gcc: Recognize niagara as target.
7179 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7180 (TARGET_CPU_niagara): Define.
7181 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7182 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7183 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7184 (ASM_CPU_SPEC): Likewise.
7185 (PROCESSOR_NIAGARA): New enum entry.
7186 (REGISTER_MOVE_COST): Handle Niagara.
7187 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7188 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7189 (sparc_override_options): Recognize "niagara", set appropriate
7190 default MASK_* values for it, and align functions to 32-bytes
7191 by default just like ULTRASPARC/ULTRASPARC3.
7192 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7193 (sparc64_initialize_trampoline): Likewise.
7194 (sparc_use_sched_lookahead): Use zero for niagara.
7195 (sparc_issue_rate): Use one for niagara.
7196 * config/sparc/niagara.md: New file.
7197 * config/sparc/sparc.md: Include it.
7198 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7199 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7200 when default cpu is niagara.
7201 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7202 (ASM_CPU_SPEC): Likewise.
7203 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7204 when default cpu is niagara.
7205 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7206 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7207 just like v9/ultrasparc/ultrasparc3.
7208 * doc/invoke.texi: Add documentation for "niagara" and improve
7209 existing documentation for ultrasparc variants.
7211 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7213 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7215 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7217 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7218 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7219 and say that only one is needed.
7220 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7221 * target.h (have_switchable_bss_sections): New hook.
7222 * explow.c (use_anchored_address): Check that the symbol is in a block.
7223 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7224 (bss_noswitch_section): New variables.
7225 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7226 (get_noswitch_section): New function.
7227 (get_block_for_section): Allow SECT to be null.
7228 (unlikely_text_section_p): Use SECTION_STYLE.
7229 (bss_initializer_p): New function.
7230 (get_variable_section): Move earlier in file. Take a new argument,
7231 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7232 Return one of the new *_sections in such cases.
7233 (get_block_for_decl): New function, extracting some logic from
7234 use_blocks_for_decl_p.
7235 (change_symbol_section): Remove in favor of...
7236 (change_symbol_block): ...this new function.
7237 (use_blocks_for_decl_p): Remove checks now performed by
7239 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7240 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7241 (emit_local, emit_bss, emit_common): ...these new functions.
7242 Return true if the alignment was honored.
7243 (emit_tls_common): New function.
7244 (asm_emit_uninitialised): Delete.
7245 (assemble_variable_noswitch): New function, split out from...
7246 (assemble_variable): ...here. Don't make decisions about common
7247 variables here. Globalize all public decls that go into non-common
7248 sections. Check whether SYMBOL_REF_BLOCK is null.
7249 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7250 (output_constant_pool): Likewise.
7251 (init_varasm_once): Initialize the new section variables.
7252 (have_global_bss_p): New function.
7253 (categorize_decl_for_section): Use bss_initializer_p.
7254 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7255 (place_block_symbol): Assert that the symbol must be in a block.
7256 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7257 (TARGET_INITIALIZER): Include it.
7258 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7259 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7260 (SECTION_MACH_DEP): Bump by two.
7261 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7262 (unnamed_section): Mention SECTION_UNNAMED in comment.
7263 (named_section): Likewise SECTION_NAMED.
7264 (noswitch_section_callback): New type.
7265 (noswitch_section): New structure.
7266 (section): Add a noswitch_section alternative.
7267 (SECTION_STYLE): New macro.
7268 (tls_comm_section, comm_section, lcomm_section): Declare.
7269 (bss_noswitch_section, have_global_bss_p): Declare.
7270 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7271 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7273 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7274 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7277 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7279 * tree-vrp.c (execute_vrp): Return value.
7280 * regrename.c (rest_of_handle_regrename): Ditto.
7281 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7282 * tree-complex.c (tree_lower_complex): Ditto.
7283 (tree_lower_complex_O0): Ditto.
7284 * tracer.c (rest_of_handle_tracer): Ditto.
7285 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7286 * postreload.c (rest_of_handle_postreload): Ditto.
7287 * tree-tailcall.c (execute_tail_recursion): Ditto.
7288 (execute_tail_calls): Ditto.
7289 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7290 * tree.h (init_function_for_compilation): Ditto.
7291 * ipa-cp.c (ipcp_driver): Ditto.
7292 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7293 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7294 * final.c (compute_alignments): Ditto.
7295 (rest_of_handle_final): Ditto.
7296 (rest_of_handle_shorten_branches): Ditto.
7297 (rest_of_clean_state): Ditto.
7298 * omp-low.c (execute_expand_omp): Ditto.
7299 (execute_lower_omp): Ditto.
7300 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7301 * ipa-reference.c (static_execute): Ditto.
7302 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7303 * reorg.c (rest_of_handle_delay_slots): Ditto.
7304 (rest_of_handle_machine_reorg): Ditto.
7305 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7306 * flow.c (recompute_reg_usage): Ditto.
7307 (rest_of_handle_remove_death_notes): Ditto.
7308 (rest_of_handle_life): Ditto.
7309 (rest_of_handle_flow2): Ditto.
7310 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7311 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7312 (do_ssa_store_ccp): Ditto.
7313 (execute_fold_all_builtins): Ditto.
7314 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7315 * modulo-sched.c (rest_of_handle_sms): Ditto.
7316 * ipa-pure-const.c (static_execute): Ditto.
7317 * cse.c (rest_of_handle_cse): Ditto.
7318 (rest_of_handle_cse2): Ditto.
7319 * web.c (rest_of_handle_web): Ditto.
7320 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7321 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7322 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7323 * tree-nrv.c (tree_nrv): Ditto.
7324 (execute_return_slot_opt): Ditto.
7325 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7326 (create_structure_vars): Ditto.
7327 * loop-init.c (rtl_loop_init): Ditto.
7328 (rtl_loop_done): Ditto.
7329 (rtl_move_loop_invariants): Ditto.
7330 (rtl_unswitch): Ditto.
7331 (rtl_unroll_and_peel_loops): Ditto.
7332 (rtl_doloop): Ditto.
7333 * gimple-low.c (lower_function_body): Ditto.
7334 (mark_used_blocks): Ditto.
7335 * tree-ssa-sink.c (execute_sink_code): Ditto.
7336 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7337 (cgraph_early_inlining): Ditto.
7338 * global.c (rest_of_handle_global_alloc): Ditto.
7339 * jump.c (cleanup_barriers): Ditto.
7340 (purge_line_number_notes): Ditto.
7341 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7342 (rest_of_handle_if_after_reload): Ditto.
7343 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7344 (tree_ssa_loop_im): Ditto.
7345 (tree_ssa_loop_unswitch): Ditto.
7346 (tree_vectorize): Ditto.
7347 (tree_linear_transform): Ditto.
7348 (tree_ssa_loop_ivcanon): Ditto.
7349 (tree_ssa_empty_loop): Ditto.
7350 (tree_ssa_loop_bounds): Ditto.
7351 (tree_complete_unroll): Ditto.
7352 (tree_ssa_loop_prefetch): Ditto.
7353 (tree_ssa_loop_ivopts): Ditto.
7354 (tree_ssa_loop_done): Ditto.
7355 * predict.c (tree_estimate_probability): Ditto.
7356 * recog.c (split_all_insns_noflow): Ditto.
7357 (rest_of_handle_peephole2): Ditto.
7358 (rest_of_handle_split_all_insns): Ditto.
7359 * tree-eh.c (lower_eh_constructs): Ditto.
7360 * regmove.c (rest_of_handle_regmove): Ditto.
7361 (rest_of_handle_stack_adjustments): Ditto.
7362 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7363 * function.c (instantiate_virtual_regs): Ditto.
7364 (init_function_for_compilation): Ditto.
7365 (rest_of_handle_check_leaf_regs): Ditto.
7366 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7367 (rest_of_handle_gcse): Ditto.
7368 * ipa-type-escape.c (type_escape_execute): Ditto.
7369 * alias.c (rest_of_handle_cfg): Ditto.
7370 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7371 * profile.c (rest_of_handle_branch_prob): Ditto.
7372 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7373 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7374 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7375 * tree-dfa.c (find_referenced_vars): Ditto.
7376 * except.c (set_nothrow_function_flags): Ditto.
7377 (convert_to_eh_region_ranges): Ditto.
7378 (rest_of_handle_eh): Ditto.
7379 * emit-rtl.c (unshare_all_rtl): Ditto.
7380 (remove_unnecessary_notes): Ditto.
7381 * except.h (set_nothrow_function_flags): Ditto.
7382 (convert_to_eh_region_ranges): Ditto.
7383 * cfgexpand.c (tree_expand_cfg): Ditto.
7384 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7385 * tree-ssa-pre.c (do_pre): Ditto.
7386 (execute_fre): Ditto.
7387 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7388 (rest_of_handle_jump2): Ditto.
7389 * tree-sra.c (tree_sra): Ditto.
7390 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7391 (execute_mudflap_function_decls): Ditto.
7392 * tree-ssa-copy.c (do_copy_prop): Ditto.
7393 (do_store_copy_prop): Ditto.
7394 * ipa-prop.h (ipcp_driver): Ditto.
7395 * cfglayout.c (insn_locators_initialize): Ditto.
7396 * tree-ssa-forwprop.c
7397 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7398 * cfglayout.h (insn_locators_initialize): Ditto.
7399 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7400 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7401 (execute_late_warn_uninitialized): Ditto.
7402 * rtl.h (cleanup_barriers): Ditto.
7403 (split_all_insns_noflow): Ditto.
7404 (purge_line_number_notes): Ditto.
7405 (unshare_all_rtl): Ditto.
7406 (remove_unnecessary_notes): Ditto.
7407 (recompute_reg_usage): Ditto.
7408 (variable_tracking_main): Ditto.
7409 * integrate.c (emit_initial_value_sets): Ditto.
7410 * integrate.h (emit_initial_value_sets): Ditto.
7411 * tree-optimize.c (execute_free_datastructures): Ditto
7412 (execute_free_cfg_annotations): Ditto.
7413 (execute_fixup_cfg): Ditto.
7414 (execute_cleanup_cfg_pre_ipa): Ditto.
7415 (execute_cleanup_cfg_post_optimizing): Ditto.
7416 (execute_init_datastructures): Ditto.
7417 * tree-object-size.c (compute_object_sizes): Ditto.
7418 * combine.c (rest_of_handle_combine): Ditto.
7419 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7420 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7421 (rest_of_handle_reorder_blocks): Ditto.
7422 (rest_of_handle_partition_blocks): Ditto.
7423 * var-tracking.c (variable_tracking_main): Ditto.
7424 * tree-profile.c (tree_profiling): Ditto.
7425 * tree-vect-generic.c (expand_vector_operations): Ditto.
7426 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7427 * sched-rgn.c (rest_of_handle_sched): Ditto.
7428 (rest_of_handle_sched2): Ditto.
7429 * basic-block.h (free_bb_insn): Ditto.
7430 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7431 * tree-cfg.c (execute_build_cfg): Ditto.
7432 (remove_useless_stmts): Ditto.
7433 (split_critical_edges): Ditto.
7434 (execute_warn_function_return): Ditto.
7435 (execute_warn_function_noreturn): Ditto.
7436 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7437 * cfgrtl.c (free_bb_for_insn): Ditto.
7438 * passes.c (execute_one_pass): Run additional
7439 todos returned by execute function.
7440 * tree-pass.h (struct tree_opt_pass): Make execute
7443 2006-03-02 Richard Guenther <rguenther@suse.de>
7445 * tree-ssa-alias.c (find_used_portions): Consider taking
7446 the address as making the variable not write-only.
7448 2006-03-02 Nick Clifton <nickc@redhat.com>
7450 * config.gcc (default_use_cxa_atexit): Extend the description of
7451 this configure variable. Set its default value to "yes" for
7452 Linux, NetBSD and ELF targets on the assumption that they will
7453 use C libraries with the __cxa_atexit function.
7455 2006-03-02 Ben Elliston <bje@au.ibm.com>
7457 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7458 parameter as unused to suppress a build warning.
7460 2006-03-02 Ben Elliston <bje@au.ibm.com>
7462 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7465 2006-03-01 Roger Sayle <roger@eyesopen.com>
7468 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7469 declared name, the weak reference name, and the typeof name.
7470 (__gthrw): Avoid expanding the declared name suffix.
7471 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7473 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7475 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7477 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7478 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7479 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7480 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7481 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7482 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7483 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7484 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7485 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7486 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7487 (DW_END_default, DW_END_big, DW_END_little): New.
7488 (DW_END_lo_user, DW_END_hi_user): Define.
7489 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7490 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7491 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7494 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7496 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7498 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7500 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7502 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7504 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7505 to 'symbol_mem_tag'.
7507 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7510 2006-03-01 Roger Sayle <roger@eyesopen.com>
7512 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7514 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7517 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7518 MACHO_DYNAMIC_NO_PIC_P.
7519 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7521 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7524 * config/darwin-protos.h (darwin_asm_output_anchor):
7526 * config/darwin-sections.def (cstring_section):
7527 Add SECTION_MERGE to the flags.
7528 (literal4_section): Likewise.
7529 (literal8_section): Likewise.
7530 (objc_selector_refs_section): Likewise.
7531 (objc_cls_refs_section): Likewise.
7532 * config/darwin.c (darwin_asm_output_anchor): New
7534 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7536 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7538 Fix PR tree-optimization/26443
7539 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7540 to todo and PROP_tmt_usage to properties_destroyed.
7541 * tree-ssa-ccp.c (pass_ccp): Ditto.
7542 (pass_store_ccp): Ditto.
7543 * tree-ssa-dom.c (pass_dominator): Ditto.
7545 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7547 * tree-ssa-operands.c: Cleanup whitespace.
7548 (get_asm_expr_operands): Move before first invocation.
7549 (get_indirect_ref_operands): Likewise.
7550 (get_tmr_operands): Likewise.
7551 (get_call_expr_operands): Likewise.
7552 (append_def): Likewise.
7553 (append_use): Likewise.
7554 (append_v_may_def): Likewise.
7555 (append_v_must_def): Likewise.
7556 (add_call_clobber_ops): Likewise.
7557 (add_call_read_ops): Likewise.
7558 (add_stmt_operand): Likewise.
7559 (add_virtual_operand): Likewise.
7560 (build_ssa_operands): Likewise.
7562 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7567 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7568 with a call expr to ...
7569 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7571 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7573 * tree-vrp.c (extract_range_from_assert): Remove special
7574 handling for types with super-types.
7576 2006-03-01 Ben Elliston <bje@au.ibm.com>
7578 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7579 and powerpc64-*-linux* configurations.
7580 * config/t-dfprules: New file.
7582 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7583 Compile dfp-bit.c from the source directory using -DWIDTH and
7584 $DFP_CFLAGS to control the compilation of that file, rather than
7585 generating width-specific versions in the build directory.
7586 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7587 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7589 2006-02-28 Zack Weinberg <zackw@panix.com>
7591 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7594 2006-02-28 Eric Christopher <echristo@apple.com>
7596 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7597 Set up IN_LIBGCC definition of TARGET_64BIT.
7598 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7600 2006-02-28 Roger Sayle <roger@eyesopen.com>
7603 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7604 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7605 cases via the construction of "expr != 0".
7607 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7609 * alias.c (alias_invariant, alias_invariant_size): Remove.
7610 (record_base_value): Remove.
7611 (memrefs_conflict_p): Don't look at alias_invariant.
7612 (end_alias_analysis): Don't free it.
7613 * alias.h (record_base_value): Remove prototype.
7615 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7616 Adam Nemet <anemet@caviumnetworks.com>
7618 * rtl.h (truncated_to_mode): Declare it.
7619 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7620 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7621 (RTL_HOOKS_INITIALIZER): Include it.
7622 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7623 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7624 reg_truncated_to_mode.
7625 * rtlanal.c (truncated_to_mode): Define it.
7626 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7628 2006-02-28 Jeff Law <law@redhat.com>
7630 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7631 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7632 the range allowed by TYPE_PRECISION.
7634 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7636 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7638 PR tree-optimization/26419
7639 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7642 2006-02-27 Zack Weinberg <zackw@panix.com>
7644 * doc/md.texi: Fix typo in previous change.
7646 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7650 2006-02-27 Zack Weinberg <zackw@panix.com>
7652 * rtl.def (define_constraint, define_register_constraint)
7653 (define_memory_constraint, define_address_constraint): New MD forms.
7654 * gensupport.c (process_rtx): Put define_constraint etc on the
7656 * genpreds.c (process_define_predicate): Adjust comment. Validate
7657 the name, and call validate_exp to validate the expression.
7658 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7659 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7660 all callers changed.
7661 (validate_exp, needs_variable, struct constraint_data)
7662 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7663 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7664 (const_dbl_constraints, constraint_max_namelen)
7665 (have_register_constraints, have_memory_constraints)
7666 (have_address_constraints, have_address_constraints)
7667 (have_extra_constraints, have_const_int_constraints)
7668 (have_const_dbl_constraints, mangle, add_constraint)
7669 (process_define_constraint, process_define_register_constraint)
7670 (write_enum_constraint_num, write_lookup_constraint)
7671 (write_insn_constraint_len, write_regclass_for_constraint)
7672 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7673 (write_insn_extra_memory_constraint)
7674 (write_insn_extra_address_constraint)
7675 (write_satisfies_constraint_fns): New.
7676 (write_tm_preds_h): If we have new-style constraint definitions,
7677 prototype the functions generated from them, and define the
7678 old constraint interface (still used by generic code) in terms of
7680 (write_insn_preds_c): If we have new-style constraint definitions,
7681 generate all relevant functions from those definitions.
7682 (main): Handle define_constraint etc.
7683 * genoutput.c (struct constraint_data, indep_constraints)
7684 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7685 (mdep_constraint_len): New data structures and functions, defined
7686 #ifdef USE_MD_CONSTRAINTS.
7687 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7688 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7689 use new logic to validate operand constraints against constraint
7691 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7693 * defaults.h: If none of the old-style constraint macros are
7694 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7695 old-style macros; and poison REG_CLASS_FROM_LETTER,
7696 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7698 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7699 * doc/md.texi: Document new constraint-definition mechanism and the
7700 C interface it provides. Remove references to old mechanism
7701 elsewhere in the document.
7702 (Machine Constraints): Use pathnames relative to gcc directory,
7703 i.e. config/ARCH/FILE. Change i386 section to refer to
7704 config/i386/predicates.md; update that section to match docstrings.
7705 * doc/tm.texi: Move all documentation of the old constraint-
7706 definition macros to their own section, clearly mark as obsolete.
7708 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7709 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7711 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7712 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7713 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7715 (splits and peepholes): Use satisfies_constraint_*.
7716 * config/i386/i386.c (memory_address_length)
7717 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7719 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7721 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7722 scalar operation to be put back into the loop.
7724 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7727 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7728 (extract_cie_info): Handle S flag in augmentation string.
7729 (execute_cfa_program): If context->signal_frame, execute also
7730 fs->pc == context->ra instructions.
7731 (uw_frame_state_for): If context->signal_frame, don't subtract one
7732 from context->ra to find FDE.
7733 (uw_update_context_1): Set context->signal_frame to
7735 (_Unwind_GetIPInfo): New function.
7736 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7737 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7739 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7740 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7741 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7742 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7743 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7744 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7745 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7746 x86_64_fallback_frame_state): Set fs->signal_frame.
7747 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7748 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7749 (frob_update_context): Likewise. Workaround missing S flag in
7750 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7751 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7752 Remove the psw_addr + 1 hack.
7754 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7756 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7757 with aggregates here.
7758 (find_func_aliases): Remove code for &<aggregate> from here.
7760 2006-02-26 Roger Sayle <roger@eyesopen.com>
7762 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7763 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7764 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7767 2006-02-26 Roger Sayle <roger@eyesopen.com>
7770 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7772 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7774 * opts.c (decode_options): Do not handle flag_strength_reduce.
7775 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7776 and OPT_fstrength_reduce.
7777 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7778 flag_prefetch_loop_arrays for being nonzero.
7779 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7781 (fprefetch-loop-arrays-rtl): Removed.
7782 (flag_prefetch_loop_arrays): Do not specify the value.
7784 * doc/passes.texi: Update documentation of loop optimizer
7786 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7787 -frerun-loop-opt): Remove.
7789 2006-02-26 Richard Guenther <rguenther@suse.de>
7791 PR tree-optimization/26421
7792 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7793 in function calls that are ADDR_EXPRs as using the whole structure.
7795 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7797 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7798 * tree-pass.h (pass_loop_optimize): Remove.
7799 * passes.c (pass_loop_optimize): Never run it.
7800 * toplev.c (backend_init): Don't call init_loop.
7801 * opts.c (flag_loop_optimize_set): Remove.
7802 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7803 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7804 the old RTL loop optimizer when profiling enabled.
7805 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7806 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7807 pre-headers for the sake of the old RTL loop optimizer.
7808 * Makefile.in: Remove all references to loop.o.
7810 * doc/invoke.texi: Remove all references to -floop-optimize
7811 and -frerun-loop-opt.
7813 2006-02-26 Zack Weinberg <zackw@panix.com>
7815 * doc/md.texi (Machine Constraints): Refer to all files with paths
7816 relative to gcc directory (i.e. config/CPU/file). Add missing
7817 @table @code ... @end table to M32C subsection.
7819 2006-02-26 Roger Sayle <roger@eyesopen.com>
7821 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7823 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7825 2006-02-26 Roger Sayle <roger@eyesopen.com>
7826 James A. Morrison <phython@gcc.gnu.org>
7829 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7830 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7831 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7832 signedness of the shift operation.
7834 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7836 PR tree-optimization/26359
7837 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7839 2006-02-25 Roger Sayle <roger@eyesopen.com>
7841 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7842 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7843 as X == 0, and some symmetry related transformations.
7844 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7846 2006-02-25 Roger Sayle <roger@eyesopen.com>
7849 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7850 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7851 symmetry related transformations. Fold (X^C1) == C2 as
7854 2006-02-25 Juergen Weigert <jw@suse.de>
7855 Richard Guenther <rguenther@suse.de>
7857 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7859 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7861 * combine.c (gen_lowpart_or_truncate): Call
7862 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7864 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7866 * doc/invoke.texi: Move -fopenmp description to "Options for
7868 Remove reference to -lgomp.
7870 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7872 * doc/install.texi: Require GNU tar version 1.14.
7874 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7876 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7877 * doc/invoke.texi (C++ Dialect Options): Document
7878 -fno-use-cxa-get-exception-ptr.
7879 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7880 * configure: Regenerate.
7881 * c.opt (fuse-cxa-get-exception-ptr): New.
7882 * c-opts.c (c_common_handle_option): Handle
7883 OPT_fuse_cxa_get_exception_ptr.
7884 * c-common.c (flag_use_cxa_atexit): Update documentation.
7885 (flag_use_cxa_get_exception_ptr): New.
7886 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7887 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7889 (C_COMMON_OVERRIDE_OPTIONS): New.
7891 2006-02-24 Roger Sayle <roger@eyesopen.com>
7894 * combine.c (try_combine): Explicitly check whether GET_CODE is
7895 a SET or a CLOBBER, instead on checking that it isn't a USE.
7897 2006-02-24 Roger Sayle <roger@eyesopen.com>
7899 * fold-const.c (fold_comparison): New subroutine of fold_binary
7900 containing transformations common to both the equality and
7901 ordering relational operators, factored out of fold_binary.
7902 (fold_binary): Separate out the equality operators (EQ_EXPR
7903 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7904 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7905 transformations common to both.
7906 (fold_div_compare): Fix latent bugs in the previously unreachable
7907 LT_EXPR and GE_EXPR cases.
7909 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7911 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7912 decl libname for clog to __clog on AIX.
7914 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7916 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7919 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7920 output traceback table for thunks. Localise rs6000_stack_info call.
7922 2006-02-23 Roger Sayle <roger@eyesopen.com>
7923 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7925 * gthr-posix.h (__gthrw): Fix typo in comment.
7927 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7929 * doc/cpp.texi (Character sets): Document that we do support
7930 input files to be in any character set.
7932 2006-02-23 Jeff Law <law@redhat.com>
7934 * tree.h (PHI_ARG_NONZERO): Remove.
7935 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7936 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7937 node to the new node.
7939 PR tree-optimization/26425
7940 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7941 min/max, then assume its varying.
7943 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7945 PR rtl-optimization/26316
7946 * rtlanal.c (enum may_trap_p_flags): New.
7947 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7948 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7949 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7950 (may_trap_after_code_motion_p): New function.
7951 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7952 (find_invariant_insn): Use may_trap_after_code_motion_p.
7953 * rtl.h (may_trap_after_code_motion_p): Declare.
7955 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7957 * emit-rtl.c (immed_double_const): Cleanup.
7959 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7961 Fix PR tree-optimization/26376
7962 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7965 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7968 * gimplify.c (omp_add_variable): Guard variable size decl test with
7969 DECL_SIZE (decl) check.
7971 2006-02-23 Richard Guenther <rguenther@suse.de>
7974 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7975 like aggregate types.
7977 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7979 * configure.ac: Add --with{,out}-long-double-128 configure option.
7980 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7981 * configure: Rebuilt.
7982 * config.in: Rebuilt.
7983 * doc/install.texi (Options specification): Document
7984 --with-long-double-128.
7986 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7987 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7988 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7989 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7991 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7993 * config/s390/s390.c (override_options): Handle
7994 TARGET_DEFAULT_LONG_DOUBLE_128.
7996 * config/alpha/alpha.c (override_options): Handle
7997 TARGET_DEFAULT_LONG_DOUBLE_128.
7999 * config/sparc/sparc.c (sparc_override_options): Handle
8000 TARGET_DEFAULT_LONG_DOUBLE_128.
8002 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8004 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8005 (real-install-headers-tar, real-install-headers-cpio)
8006 (real-install-headers-cp): New targets.
8008 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8010 * tree.h (variable_section): Delete.
8011 * varasm.c (variable_section): Delete.
8013 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8015 * install.texi: Add notes on install.texi2html.
8016 (Building in parallel): Do not use footnotes.
8018 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8021 * doc/install.texi (Configuration): Document --disable-libgomp.
8023 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8025 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8027 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8029 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8030 (vec_extractv2df_0_sse): New.
8032 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8034 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8035 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8036 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8037 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8038 to the result of the expression.
8039 (def_cfa_1): Adjust.
8040 (frame_pointer_cfa_offset): Rename to...
8041 (frame_pointer_fb_offset): ... this. Adjust all uses.
8042 (convert_cfa_to_loc_list): Rename to...
8043 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8044 Pass it on to build_cfa_loc.
8045 (compute_frame_pointer_to_cfa_displacement): Rename to...
8046 (compute_frame_pointer_to_fb_displacement): ... this. New
8047 offset parameter. Use it in computation.
8048 (gen_subprogram_die): Compute cfa_fb_offset with the new
8049 macro, and use it to compute the fb loc list and the
8052 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8054 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8055 replaced with register_operand.
8056 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8057 non-DREG is expensive.
8058 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8059 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8062 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8064 * doc/install.texi2html: Use set -e.
8066 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8068 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8069 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8070 * doc/invoke.texi (-fshared-data): Delete.
8071 * common.opt (fshared-data): Delete.
8072 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8073 (assemble_static_space): Remove #if 0 code.
8074 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8075 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8076 * config/cris/cris.h: Remove FIXME.
8078 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8080 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8083 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8086 * combine.c (simplify_shift_const_1): Disable nested shifts
8087 optimization for vector shifts.
8089 2006-02-20 Roger Sayle <roger@eyesopen.com>
8091 PR tree-optimization/26361
8092 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8093 of unsigned integer types.
8095 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8097 * tree-chrec.c (eq_evolutions_p): New.
8098 * tree-chrec.h (eq_evolutions_p): Declared.
8099 * tree-data-ref.c: Fix formatting.
8100 (datadep_stats, dependence_stats): New.
8102 (print_direction_vector): New.
8103 (dump_data_dependence_relation): Use print_direction_vector.
8104 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8105 (compute_subscript_distance): Static.
8106 (initialize_data_dependence_relation): Static. Get the number
8107 of loops surrounding the references from the callers, and initialize
8108 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8109 base_object_differ_p analyzers.
8110 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8111 compute_overlap_steps_for_affine_1_2,
8112 analyze_subscript_affine_affine): Count the classified dependences.
8113 Print a message when a test failed.
8114 (can_use_analyze_subscript_affine_affine): New.
8115 (analyze_siv_subscript): Compute the data dependences on symbolic
8116 scevs that verify can_use_analyze_subscript_affine_affine.
8117 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8118 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8119 Handle symbolic scevs.
8120 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8122 (subscript_dependence_tester): Moved...
8123 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8124 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8125 DDR_SIZE_VECT instead of getting it in parameter.
8126 (subscript_dependence_tester): ... here. Take as a parameter
8127 loop_nest_depth. Call build_classic_dist_vector and
8128 build_classic_dir_vector.
8129 (compute_affine_dependence): Update subscript_dependence_tester
8130 parameters. Update datadep_stats counters. Call
8131 compute_subscript_distance.
8132 (compute_self_dependence): Save the dist and dir vectors. Call
8133 compute_subscript_distance.
8134 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8135 (compute_all_dependences): Reorder parameters as they were before
8136 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8137 compute_subscript_distance. Update the use of
8138 compute_affine_dependence and initialize_data_dependence_relation.
8139 (find_data_references_in_loop): Handle COMPONENT_REF.
8140 (compute_data_dependences_for_loop): Initialize dependence_stats.
8141 Don't call build_classic_dist_vector and build_classic_dir_vector.
8142 Update the parameters of initialize_data_dependence_relation and
8143 compute_all_dependences. Print the statistics from datadep_stats.
8144 (analyze_all_data_dependences): Static. Not used until the pass for
8145 checking the data dependences is contributed.
8146 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8147 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8148 (initialize_data_dependence_relation, compute_affine_dependence,
8149 analyze_all_data_dependences, compute_subscript_distance): Removed.
8150 (print_direction_vector): New.
8151 * lambda.h (gcd): ... here.
8152 (lambda_vector_gcd): Moved here from gcd_vector.
8153 * lambda-code.c (gcd, gcd_vector): Removed.
8154 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8155 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8157 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8159 * ipa-type-escape.c: Tidy some comments and white space.
8160 * tree-ssa-operands.c: Likewise.
8162 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8165 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8166 (dump_decl_name): Do not walk the decl tree chains.
8167 * tree-pass.h (TDF_CHAIN): Remove.
8169 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8171 * Makefile.in (C): Remove
8173 (.PHONY): Remove C and PROTO
8175 2006-02-20 Roger Sayle <roger@eyesopen.com>
8178 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8179 deprecated CHAR_TYPE tree code.
8181 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8183 * configure.ac (target_list): Add install-info, dvi, html.
8184 * configure: Regenerate.
8186 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8187 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8188 treelang/Make-lang.in: Do not use double-colon rules.
8190 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8192 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8193 (TMT_USED_ALONE): New macro.
8194 * tree-pass.h (PROP_tmt_usage): New property.
8195 (TODO_update_tmt_usage): New todo.
8196 * tree-ssa-alias.c (updating_used_alone): New variable.
8197 (recalculate_used_alone): New function.
8198 (compute_may_aliases): Set updating_used_alone, call
8199 recalculate_used_alone.
8200 * tree-sra.c (pass_sra): Note that this pass destroys
8201 PROP_tmt_usage, and add TODO_update_tmt_usage.
8202 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8203 * tree-flow.h (updating_used_alone): Prototype.
8204 (recalculate_used_alone): Ditto.
8205 * passes.c (execute_todo): Add code to set updating_used_alone,
8206 and call recalculate.
8207 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8208 for clobber if used alone, and add assert to verify used_alone
8211 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8213 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8214 for non tls symbols added.
8215 (legitimize_address): Do nothing for PLUS expressions if one of the
8216 addends is a tls symbol reference.
8218 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8222 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8224 * Makefile.in (BOOTSTRAPPING): New.
8225 (quickstrap): New definition if BOOTSTRAPPING=yes.
8227 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8228 * configure.ac: Substitute all_selected_languages with the languages
8229 that were configured. For all the other variables except
8230 lang_specs_files, include all the languages in the tree.
8231 * configure: Regenerate.
8233 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8234 if there is one. Run the commands to run fixincludes in the same
8237 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8238 * doc/install.texi: Document exact conventions for searching target tools.
8239 Document --with-build-time-tools. Document toplevel bootstrap. Document
8240 something more about building an Ada cross-compiler. Don't list GNU Make
8241 requirements which affect all platforms.
8243 2006-02-19 Roger Sayle <roger@eyesopen.com>
8246 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8247 only equivalent if the have both the same mode and precision.
8249 2006-02-20 Ben Elliston <bje@au.ibm.com>
8251 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8253 2006-02-19 Roger Sayle <roger@eyesopen.com>
8254 Steven Bosscher <stevenb.gcc@gmail.com>
8256 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8257 constant pool references to identify stack mode constants.
8258 * rtlanal.c (constant_pool_constant_p): New predicate to check
8259 whether operand is a floating point constant in the pool.
8260 * rtl.h (constant_pool_constant_p): Prototype here.
8261 * loop.c (scan_loop): Avoid hoisting constants from the constant
8262 pool on STACK_REGS targets.
8263 (load_mems): Likewise.
8264 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8265 loads into x87 registers expensive in terms of register pressure.
8267 2006-02-19 Roger Sayle <roger@eyesopen.com>
8269 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8270 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8272 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8274 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8275 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8277 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8279 * doc/invoke.texi: Document -fipa-pta.
8280 * common.opt: Add ipa-pta option.
8281 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8282 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8283 (do_ds_constraint): Ditto.
8284 (get_constraint_for): Only add to referenced_vars if
8285 referenced_vars exists.
8286 (insert_into_field_list): Rewrite to do this unsorted.
8287 (insert_into_field_list_sorted): Rename old insert_into_field_list
8289 (create_function_info_for): Use insert_into_field_list_sorted.
8290 (create_variable_info_for): Rewrite so it uses unsorted version,
8291 since the field list is sorted.
8292 (intra_create_variable_infos): Only add to referenced_vars if
8293 referenced_vars exists.
8294 (ipa_pta_execute): Init heapvars, and delete when done.
8295 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8297 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8299 * doc/install.texi: Add missing `@samp'.
8301 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8303 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8306 2006-02-18 Mark Wielaard <mark@klomp.org>
8308 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8309 who added new 4.1 features, bug fixes and integration support.
8311 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8314 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8317 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8319 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8320 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8321 (copy_insn_1): Likewise. Don't copy each field individually.
8323 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8325 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8326 * rtl.c (rtx_size): Rename variable to...
8327 (rtx_code_size): ...this.
8328 (rtx_size): New function.
8329 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8330 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8332 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8333 * rtl.h (rtx_code_size): New variable.
8334 (rtx_size): Change from a variable to a function.
8335 (RTX_SIZE): Rename to...
8336 (RTX_CODE_SIZE): ...this.
8339 PR tree-optimization/17106
8340 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8341 (Anchored Addresses): New section.
8342 * doc/invoke.texi (-fsection-anchors): Document.
8343 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8344 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8345 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8346 * hooks.c (hook_bool_mode_rtx_false): New function.
8347 * hooks.h (hook_bool_mode_rtx_false): Declare.
8348 * gengtype.c (create_optional_field): New function.
8349 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8350 SYMBOL_REF_IN_BLOCK_P is true.
8351 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8352 (min_anchor_offset, max_anchor_offset): Likewise.
8353 (use_anchors_for_symbol_p): New hook.
8354 * toplev.c (compile_file): Call output_object_blocks.
8355 (target_supports_section_anchors_p): New function.
8356 (process_options): Check that -fsection-anchors is only used on
8357 targets that support it and when -funit-at-a-time is in effect.
8358 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8359 if the decl doesn't have one.
8360 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8361 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8362 of force_const_mem through use_anchored_address.
8363 (expand_expr_constant): New function.
8364 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8365 calling expand_expr for INDIRECT_REF.
8366 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8367 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8368 * expr.h (use_anchored_address): Declare.
8369 * loop-unroll.c: Don't declare rtx vectors here.
8370 * explow.c: Include output.h.
8371 (validize_mem): Call use_anchored_address.
8372 (use_anchored_address): New function.
8373 * common.opt (-fsection-anchors): New switch.
8374 * varasm.c (object_block_htab, anchor_labelno): New variables.
8375 (hash_section, object_block_entry_eq, object_block_entry_hash)
8376 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8377 (use_blocks_for_decl_p, change_symbol_section): New functions.
8378 (get_variable_section): New function, split out from assemble_variable.
8379 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8380 use_blocks_for_decl_p say so. Use change_symbol_section if the
8381 symbol has already been created.
8382 (assemble_variable_contents): New function, split out from...
8383 (assemble_variable): ...here. Don't output any code for
8384 block symbols; just pass them to place_block_symbol.
8385 Use get_variable_section and assemble_variable_contents.
8386 (get_constant_alignment, get_constant_section, get_constant_size): New
8387 functions, split from output_constant_def_contents.
8388 (build_constant_desc): Create a block symbol if use_object_blocks_p
8389 says so. Or into SYMBOL_REF_FLAGS.
8390 (assemble_constant_contents): New function, split from...
8391 (output_constant_def_contents): ...here. Don't output any code
8392 for block symbols; just pass them to place_section_symbol.
8393 Use get_constant_section and get_constant_alignment.
8394 (force_const_mem): Create a block symbol if use_object_blocks_p and
8395 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8396 (output_constant_pool_1): Add an explicit alignment argument.
8397 Don't switch sections here.
8398 (output_constant_pool): Adjust call to output_constant_pool_1.
8399 Switch sections here instead. Don't output anything for block symbols;
8400 just pass them to place_block_symbol.
8401 (init_varasm_once): Initialize object_block_htab.
8402 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8403 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8404 (place_block_symbol, get_section_anchor, output_object_block)
8405 (output_object_block_htab, output_object_blocks): New functions.
8406 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8407 (TARGET_ASM_OUT): Include it.
8408 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8409 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8410 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8411 (TARGET_INITIALIZER): Include them.
8412 * rtl.c (rtl_check_failed_block_symbol): New function.
8413 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8414 (block_symbol, object_block): New structures.
8415 (rtx_def): Add a block_symbol field to the union.
8416 (BLOCK_SYMBOL_CHECK): New macro.
8417 (rtl_check_failed_block_symbol): Declare.
8418 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8419 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8420 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8421 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8422 * output.h (output_section_symbols): Declare.
8423 (object_block): Name structure.
8424 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8425 (default_use_anchors_for_symbol_p): Declare.
8426 * Makefile.in (RTL_BASE_H): Add vec.h.
8427 (explow.o): Depend on output.h.
8428 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8429 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8430 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8431 (rs6000_use_blocks_for_constant_p): New function.
8433 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8435 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8437 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8440 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8443 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8445 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8449 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8452 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8453 instead of DECL_REGISTER.
8455 2006-02-18 Olivier Hainque <hainque@adacore.com>
8458 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8460 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8463 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8464 * opth-gen.awk: Handle Var and InverseMask together.
8465 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8466 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8467 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8468 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8470 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8471 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8472 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8473 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8474 LINUX_DYNAMIC_LINKER): Define.
8475 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8476 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8478 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8479 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8480 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8481 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8482 (TARGET_C99_FUNCTIONS): Don't define.
8483 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8484 GLIBC_DYNAMIC_LINKER.
8485 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8486 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8487 GLIBC_DYNAMIC_LINKER64): Define.
8488 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8489 LINUX_DYNAMIC_LINKER64.
8490 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8491 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8492 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8493 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8494 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8495 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8496 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8497 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8498 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8499 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8500 and LINUX_DYNAMIC_LINKER32.
8501 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8502 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8503 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8504 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8505 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8507 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8508 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8509 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8510 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8511 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8512 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8513 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8514 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8515 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8516 LINUX_DYNAMIC_LINKER): Define.
8517 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8518 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8519 GLIBC_DYNAMIC_LINKER64): Define.
8520 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8521 LINUX_DYNAMIC_LINKER64.
8522 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8523 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8524 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8525 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8526 LINUX_DYNAMIC_LINKER): Define.
8527 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8528 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8529 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8530 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8531 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8532 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8533 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8534 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8535 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8536 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8537 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8538 * doc/invoke.texi (-muclibc): Remove caveat about supported
8541 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8543 * doc/cpp.texi (__TIMESTAMP__): Document.
8545 2006-02-17 Roger Sayle <roger@eyesopen.com>
8548 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8549 C is one less than the width of X (and related transformations).
8550 * simplify-rtx.c (simplify_unary_operation_1): Transform
8551 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8552 depending on STORE_FLAG_VALUE, were C is one less then the
8555 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8557 Fix PR tree-optimization/26341
8558 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8559 about NAME_MEMORY_TAG's.
8561 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8564 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8565 with hardware float support, and software float support. Add fcpy
8566 alternative to hardware patterns. Add alternatives to copy between
8567 general and floating-point registers to the 32-bit pattern.
8568 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8569 secondary reload to load a QI or HI mode constant into a floating
8571 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8572 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8574 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8577 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8579 (load_macho_picbase_di): Likewise.
8581 2006-02-16 Jeff Law <law@redhat.com>
8583 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8584 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8585 (ssa_name_nonzero_p): Likewise.
8586 (get_value_range): Return NULL if VRP is not running.
8587 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8588 VRP routines do not discover a range.
8589 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8590 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8591 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8592 (tree_expr_nonnegative_p): Similarly.
8593 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8594 (restore_nonzero_vars_to_original_value): Remove.
8595 (unsafe_associative_fp_binop): Remove.
8596 (tree_ssa_dominator_optimize): Remove initialization and
8597 finalization of nonzero_vars and nonzero_vars_stack.
8598 (dom_opt_initialize_block): No longer push marker on
8600 (dom_opt_finalize_block): No longer call
8601 restore_nonzero_vars_to_original_value.
8602 (record_equivalences_from_phis): No longer look for
8603 nonzero PHI arguments.
8604 (cprop_into_successor_phis): No longer propagate nonzero
8605 property into PHI arguments. Lose unused argument. Caller
8607 (record_equivalences_from_stmt): No longer record nonzero
8608 values for SSA_NAMEs.
8609 (lookup_avail_expr): No longer use nonzero_vars.
8611 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8612 for sizetype when sizetype is unsigned.
8614 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8616 PR rtl-optimization/25603
8617 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8618 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8619 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8620 with new meaning of SETS.
8622 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8627 * config/linux.opt: New file.
8628 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8629 LINUX_DYNAMIC_LINKER): Define.
8630 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8631 * config.gcc (*-*-linux*): Define extra_options.
8632 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8633 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8634 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8635 GLIBC_DYNAMIC_LINKER.
8636 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8637 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8638 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8639 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8640 * doc/invoke.texi (GNU/Linux Options): New section.
8642 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8644 * config/sparc/sparc.md (setjmp): Rewrite.
8645 (setjmp_32): Delete.
8646 (setjmp_64): Likewise.
8648 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8650 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8653 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8655 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8658 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8660 PR rtl-optimization/26296
8661 * Makefile.in (loop-invariant.c): Add except.h dependency.
8662 * loop-invariant.c: Include except.h.
8663 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8665 2005-02-16 Paul Brook <paul@codesourcery.com>
8667 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8670 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8672 PR rtl-optimization/25636
8673 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8674 when deciding whether an insn is an initializing insn.
8676 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8678 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8679 (tree_code_size): Ditto.
8680 * tree.h (struct tree_memory_tag): Remove parent_var.
8681 (struct tree_struct_field_tag): New.
8684 (union tree_node): Add sft member.
8685 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8687 (create_sft): Add size and offset argument, set SFT_OFFSET and
8689 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8690 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8691 * tree-flow-inline.h (get_subvar_at): Update for
8692 SFT_OFFSET/SFT_SIZE.
8693 (var_can_have_subvars): Ditto.
8694 (overlap_subvar): Ditto.
8695 * print-tree.c (print_node): Print out interesting things for
8697 * tree-flow.h (struct subvar): Remove offset and size members.
8698 * tree-ssa-operands.c (get_expr_operands): Update for
8699 get_indirect_ref_operands changes.
8700 (get_indirect_ref_operands): Call add_virtual_operand instead of
8701 add_stmt_operand. Only recurse on base var if requested.
8702 (access_can_touch_variable): New function.
8703 (add_stmt_operand): Split virtual operand handling into ...
8704 (add_virtual_operand): Here. Add offset, size, and for_clobber
8705 arguments. Prune alias sets.
8706 (add_call_clobber_ops): Call add_virtual_operand.
8708 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8711 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8713 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8714 than TREE_CODE as index into omp_clause_num_ops array.
8716 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8718 PR rtl-optimization/26184
8719 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8721 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8722 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8723 must_precede, must_follow and tobe_scheduled.
8726 * opts.c (common_handle_option): Free new_option pointer.
8727 * df-core.c (df_analyze): Free postorder pointer.
8729 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8731 * Makefile.in: Fix the examples about the use of stamps
8733 2006-02-15 Michael Matz <matz@suse.de>
8737 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8738 influenced by maximum_field_alignment or DECL_PACKED.
8739 (update_alignment_for_field): Ditto.
8740 (place_field): Ditto.
8741 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8744 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8746 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8747 (debug_flow_info): Pass it.
8748 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8749 * bb-reorder.c (reorder_basic_blocks): Likewise.
8750 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8751 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8752 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8753 * gcse.c (gcse_main, bypass_jumps): Likewise.
8754 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8755 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8756 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8757 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8758 * rtl.h (dump_flow_info): Adjust prototype.
8759 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8760 * var-tracking.c (variable_tracking_main): Likewise.
8761 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8762 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8765 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8767 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8770 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8772 PR tree-optimization/26209
8773 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8774 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8776 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8778 2006-02-14 Roger Sayle <roger@eyesopen.com>
8781 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8782 (X,Y) and the corresponding symmetry related transformations.
8783 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8784 (X,Y) and its symmetry related transformations.
8786 2006-02-14 Roger Sayle <roger@eyesopen.com>
8788 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8791 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8793 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8795 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8798 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8799 support COMDAT group.
8800 * configure: Regenerate.
8802 2006-02-14 Roger Sayle <roger@eyesopen.com>
8807 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8809 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8811 Fix PR tree-optimization/26260
8813 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8815 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8816 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8817 * tree-ssa-structalias.c (create_variable_info_for): Use
8818 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8820 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8822 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8824 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8825 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8826 of the ending condition.
8827 * tree-ssa-loop-manip.c: Include params.h.
8828 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8829 tree_unroll_loop): New functions.
8830 * tree-pass.h (pass_loop_prefetch): Declare.
8831 * loop.c (rest_of_handle_loop_optimize): Test for
8832 -fprefetch-loop-arrays-rtl.
8833 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8834 * timevar.def (TV_TREE_PREFETCH): New timevar.
8835 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8836 pass_loop_prefetch): New.
8837 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8838 (cleanup_tree_cfg_loop): Call scev_reset.
8839 * common.opt (fprefetch-loop-arrays-rtl): Add.
8840 * tree-ssa-loop-prefetch.c: New file.
8841 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8842 (new_temp_expr_table): Initialize expr_vars.
8843 (free_temp_expr_table): Cleanup expr_vars.
8844 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8845 expressions from being merged into one.
8846 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8847 (struct tree_niter_desc): Add control, bound and cmp fields.
8848 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8850 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8851 (tree-cfgcleanup.o): Add SCEV_H dependency.
8852 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8853 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8855 2006-02-14 Richard Guenther <rguenther@suse.de>
8857 PR tree-optimization/26258
8858 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8859 in PHI argument processing.
8861 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8863 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8864 new expression in the requested machine mode.
8866 2006-02-13 Roger Sayle <roger@eyesopen.com>
8868 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8869 directly, instead let do_compare_rtx_and_jump handle this for us.
8870 * expr.c (expand_expr_real_1): Likewise.
8871 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8872 before do_jump_by_parts_greater.
8873 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8874 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8876 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8878 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8880 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8882 PR rtl-optimization/26235
8883 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8884 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8887 2006-02-13 Jeff Law <law@redhat.com>
8889 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8892 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8895 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8896 twice if decl is a builtin. When trying again, call get_callee_fndecl
8897 first to verify it is still a builtin.
8899 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8901 * dwarf2out.c (base_type_die): Don't add AT_name here.
8902 (subrange_type_die): Don't add AT_name here.
8903 (modified_type_die): Rearrange code flow. Do add AT_name here.
8905 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8907 PR rtl-optimization/26247
8908 PR rtl-optimization/26248
8909 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8911 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8913 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8914 * config/fixtfdi.c: Likewise.
8915 * config/fixunstfdi.c: Likewise.
8916 * config/floatditf.c: Likewise.
8918 2006-02-13 Roger Sayle <roger@eyesopen.com>
8921 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8922 into (X,C2) if C1 is a subset of the bits of C2. Transform
8923 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8925 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8927 2006-02-13 Josh Conner <jconner@apple.com>
8930 * varasm.c (function_section): Check for section name before
8931 calling select_section on targets that define
8932 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8933 unlikely_text_section instead of hot_function_section if
8934 first_function_block_is_cold.
8936 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8939 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8941 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8943 PR rtl-optimization/26222
8944 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8945 after tree->rtl expansion.
8946 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8947 before passing it to emit_move_insn.
8949 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8951 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8953 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8954 Clarify documentation.
8955 * c-common.h (warn_write_strings): Remove.
8956 * c-common.c (warn_write_strings): Likewise.
8957 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8960 2006-02-12 Roger Sayle <roger@eyesopen.com>
8963 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8964 (do_jump_parts_zero_rtx): New function renamed from
8965 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8966 (do_jump_parts_equality_rtx): New function split out from
8967 do_jump_parts_equality. Old implementation renamed as above.
8968 Call do_jump_parts_zero_rtx if either operand is zero.
8969 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8970 do all of the heavy lifting.
8971 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8972 calling either do_jump_by_parts_greater_rtx or
8973 do_jump_by_parts_equality_rtx.
8974 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8975 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8976 moved to do_compare_rtx_and_jump, call it directly.
8977 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8978 mode argument. Call do_compare_rtx_and_jump.
8979 (emit_case_nodes): Update calls to do_jump_if_equal.
8981 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8983 PR rtl-optimization/26225
8984 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8986 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8988 PR rtl-optimization/26232
8989 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8991 2006-02-11 Jason Merrill <jason@redhat.com>
8994 * tree-inline.c (declare_return_variable): Just don't use the
8995 modify target if it's a gimple complex reg and the return slot
8998 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9000 * doc/contrib.texi: Update my entry.
9002 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9004 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9006 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9008 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9011 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9013 * doc/invoke.texi (-floop-optimize2): Removed.
9014 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9015 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9016 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9017 * common.opt (floop-optimize2): Removed.
9018 (fmove-loop-invariants): Enabled by default.
9020 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9022 * tree-if-conv.c (combine_blocks): Free the result of
9023 get_loop_exit_edges.
9025 2006-02-10 Jeff Law <law@redhat.com>
9027 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9029 PR tree-optimization/26213
9030 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9031 loop trying to follow SSA_NAME_VALUE chains.
9033 2006-02-10 Richard Guenther <rguenther@suse.de>
9035 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9036 deal with structures that end in implicitly variable sized arrays.
9038 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9040 PR rtl-optimization/24762
9041 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9044 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9046 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9047 (struct ivopts_data): Add regs_used field.
9048 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9049 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9050 instead of loop_data->regs_used;
9051 (free_loop_data): Do not free aux fields for loops.
9052 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9053 and tree_ssa_iv_optimize_finalize.
9055 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9057 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9059 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9062 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9063 computing the effective result type.
9065 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9068 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9069 (tree_overlaps_hard_reg_set): Declare.
9070 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9071 type and signature to match function type expected by walk_tree.
9072 (tree_overlaps_hard_reg_set): New function.
9073 (decl_conflicts_with_clobbers_p): Rename to:
9074 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9075 Use tree_overlaps_hard_reg_set. Changed caller.
9076 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9077 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9078 * cris.c (cris_md_asm_clobbers): Likewise.
9080 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9082 * reload1.c (emit_input_reload_insns): Delete code that tries to
9083 inherit using find_equiv_reg.
9085 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9087 * c-common.h (flag_const_strings): Don't declare.
9088 * c-common.c (flag_const_strings): Remove.
9089 * c.opt (fconst_strings): Remove.
9090 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9091 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9092 (c_common_init_options): Don't set flag_const_strings.
9093 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9095 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9097 * arm.md (tlobits_cbranch): New pattern.
9098 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9099 testing a single bit.
9101 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9104 * tree-ssa-pre.c (create_component_ref_by_pieces):
9105 Handle RETURN_DECL like VAR_DECL.
9107 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9110 * fold-const.c (fold_indirect_ref_1): Fold
9111 "*(foo *)&complexfoo" to "__real__ complexfoo"
9112 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9114 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9116 * tree-flow-inline.h (var_can_have_subvars):
9117 Volatile variables should not have subvariables.
9119 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9122 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9123 multiplying unsigned values.
9126 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9128 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9130 2006-02-08 Jason Merrill <jason@redhat.com>
9133 * tree.def: Elaborate on difference from MODIFY_EXPR.
9134 * doc/c-tree.texi (INIT_EXPR): Likewise.
9135 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9136 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9137 (gimplify_target_expr): Likewise.
9138 (gimplify_cond_expr): Remove target handling.
9139 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9140 (gimplify_expr): Clobber it here.
9141 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9142 Do return slot optimization if we have an INIT_EXPR.
9145 * tree-inline.c (declare_return_variable): Also clear
9146 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9149 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9152 * gimplify.c (gimplify_one_sizepos): Fix typo.
9154 2006-02-08 Jeff Law <law@redhat.com>
9156 PR tree-optimization/21417
9157 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9158 across a backedge if the control statement at the end of the
9159 block is data dependent on other statements in the same block.
9160 (record_temporary_equivalences_from_stmts): Remove over-conservative
9161 test for threading across backedges.
9163 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9164 control statement, handle all three special cases in the same
9165 manner as they all have the same desired solution. No longer
9166 special case edge flag updating when the post dominator is
9169 2006-02-08 Roger Sayle <roger@eyesopen.com>
9171 * tree.def (CHAR_TYPE): Remove.
9172 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9173 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9174 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9175 (gen_string_type_die): Delete unreachable function.
9177 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9178 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9179 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9180 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9181 * builtins.c (type_to_class): Likewise.
9182 * fold-const.c (fold_convert, build_range_check,
9183 merge_ranges): Likewise.
9184 * expr.c (count_type_elements): Likewise.
9185 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9186 * stor-layout.c (layout_type): Likewise.
9187 * ipa-type-escape.c (type_to_consider): Likewise.
9188 * gimplify.c (omp_firstprivatize_type_sizes,
9189 gimplify_type_sizes): Likewise.
9190 * explow.c (promote_mode): Likewise.
9191 * tree-sra.c (is_sra_scalar_type): Likewise.
9192 * varasm.c (output_constant): Likewise.
9193 * tree-inline.c (remap_type_1): Likewise.
9194 * convert.c (convert_to_pointer, convert_to_real,
9195 convert_to_integer, convert_to_complex): Likewise.
9197 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9199 * df-scan.c (df_def_record_1): A set destination may
9200 be a parallel regardless of mode.
9202 2006-02-08 Roger Sayle <roger@eyesopen.com>
9205 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9206 * config/mips/_tilib.c: Remove.
9207 * config/fixtfdi.c: New libgcc source file.
9208 * config/fixunstfdi.c: New source file.
9209 * config/floatditf.c: New source file.
9210 * config/floatunditf.c: New souce file.
9211 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9212 files above instead of config/mips/_tilib.c.
9213 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9215 2006-02-08 Jeff Law <law@redhat.com>
9217 PR tree-optimization/26169
9218 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9221 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9223 * df.h (DF_REG_SIZE): Return the length of the initialized
9226 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9228 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9229 __muldf3): Return a correctly signed zero.
9231 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9233 * passes.c (register_one_dump_file): Accept the current properties
9234 instead of pass number. Adjust call to dump_register. Remove
9236 (register_dump_files): Now a wrapper around...
9237 (register_dump_files_1): ... this one. Do not modify the pass
9239 (next_pass_1): Cosmetic fix.
9240 (execute_todo): Keep second parameter only. Use curr_properties
9241 instead of fetching it from the pass structure. Check and set
9243 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9244 instead of fetching it from the pass structure. Fix calls to
9245 execute_todo. Update curr_properties and initialize .vcg RTL dump
9246 after running the pass. Reset last_verified.
9247 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9249 (FIRST_AUTO_NUMBERED_DUMP): New.
9250 (dump_register): Remove "num" parameter, assign it within the
9252 (get_dump_file_name): Modify template for dumps.
9253 * tree-dump.h (dump_register): Adjust prototype.
9254 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9255 (PROP_trees): Add PROP_gimple_lomp.
9256 (TODO_set_props): New.
9257 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9258 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9259 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9261 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9263 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9264 (sparc64-*-linux*): Likewise.
9265 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9266 * config/sparc/t-linux: New file.
9267 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9268 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9269 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9270 -m32 -mlong-double-128.
9272 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9273 * config/alpha/t-linux: New file.
9274 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9276 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9277 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9278 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9279 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9280 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9281 (CPP_ARCH32_SPEC): Remove.
9283 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9285 PR tree-optimization/26145
9286 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9289 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9292 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9293 >= 240000 when generating code for SOM runtime.
9294 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9295 to $$dyncall when generating code for SOM runtime..
9297 2006-02-07 Dirk Mueller <dmueller@suse.com>
9300 * doc/invoke.texi (-Wsequence-point): Update documentation
9301 that -Wsequence-point is implemented for C++ as well.
9303 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9305 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9306 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9307 (LIB_SPEC): Likewise.
9308 * doc/invoke.texi (SPARC options): Document -pthread.
9310 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9312 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9315 2006-02-07 Roger Sayle <roger@eyesopen.com>
9317 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9318 Correct comment describing BOOLEAN_TYPE.
9320 2006-02-07 Dirk Mueller <dmueller@suse.com>
9322 * c.opt: C++ frontend supports -Wdiv-by-zero.
9323 * c-opts.c (c_common_handle_option): Remove dead case.
9325 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9327 * configure.ac (TLS assembler check): Do not enable TLS by
9328 default on SPARC/Solaris before version 10.
9329 * configure: Regenerate.
9331 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9333 * doc/invoke.texi (xl-compat): Document conversion and support
9336 2006-02-07 Jeff Law <law@redhat.com>
9338 * tree-vrp.c (find_conditional_asserts): Update comments.
9339 (simplify_stmt_for_jump_threading): New.
9340 (identify_jump_threads, finalize_jump_threads): New.
9341 (vrp_finalize): Call identify_jump_threads.
9342 (execute_vrp): Call finalize_jump_threads.
9343 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9344 (vrp_element, vrp_data, vrp_element_p): Remove.
9345 (vrp_hash_elt, vrp_variables_stack): Remove.
9346 (vrp_hash, vrp_eq, record_range): Remove.
9347 (simplify_cond_and_lookup_avail_expr): Remove.
9348 (extract_range_from_cond): Remove.
9349 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9350 (simplify_stmt_for_jump_threading): New.
9351 (dom_thread_across_edge): New wrapper.
9352 (tree_ssa_dominator_optimize): No longer initialize or
9353 finalize any of the VRP datastructures. Remove iteration
9354 step and simplify as a result of removal of iteration step.
9355 (pass_dominator): Perform a cfg cleanup after DOM.
9356 (dom_opt_finalize_block): Use the new common routines
9357 for threading jumps. Simplify stack management slightly.
9358 No longer need to unwind VRP state.
9359 (record_equivalences_from_incoming_edge): No longer record
9361 (eliminate_redundant_computations): No longer call
9362 simplify_cond_and_lookup_avail_expr.
9363 * tree-flow.h (potentially_threadable_block): Prototype.
9364 (thread_across_edge): Likewise.
9365 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9366 (tree-ssa-threadedge.o): Add dependencies.
9367 * tree-ssa-threadedge.c: New file.
9368 * passes.c (init_optimization_passes): Merge PHIs before
9369 calling VRP. Run VRP again late in the SSA optimization pipeline.
9371 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9373 * df-core.c (df_set_blocks): Do not dereference function pointers.
9374 (df_finish1): Likewise.
9375 (df_hybrid_search_forward): Likewise.
9376 (df_hybrid_search_backward): Likewise.
9377 (df_iterative_dataflow): Likewise.
9378 (df_analyze_problem): Likewise.
9379 (df_compact_blocks): Likewise.
9380 (df_dump): Likewise.
9381 * df-scan.c (df_rescan_blocks): Likewise.
9382 (df_record_entry_block_defs): Likewise.
9384 * genconditions.c (write_conditions): Guard the definition of
9385 'insn_conditions' with the check on GCC version.
9386 (write_writer): Guard the traversal 'insn_conditions' with
9387 the check on GCC version.
9389 2006-02-07 Richard Guenther <rguenther@suse.de>
9393 2006-01-30 Richard Guenther <rguenther@suse.de>
9395 * gimplify.c (gimplify_target_expr): Handle easy cases
9396 without creating a temporary.
9398 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9400 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9401 use of float in probability computations. Use edge probabilities
9402 in place of statically computed probabilities.
9403 (min_spec_prob): New static variable.
9404 (schedule_insns): Initialize it.
9405 (GET_SRC_PROB): Removed.
9406 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9408 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9411 * config/ia64/unwind-ia64.c: Revert last change.
9412 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9413 (INCOMING_FRAME_SP_OFFSET): Define.
9415 2006-02-06 Roger Sayle <roger@eyesopen.com>
9417 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9419 2006-02-07 Ben Elliston <bje@au.ibm.com>
9421 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9422 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9423 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9424 (ix86_return_in_memory): Handle TDmode.
9425 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9426 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9428 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9430 * reorg.c (dbr_schedule): Use dump_file instead of file.
9432 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9435 * config/ia64/predicates.md (extr_len_operand): New predicate.
9436 * config/ia64/ia64.md (extv): Tighten constraints.
9438 (*tbit_and_2): Ditto.
9439 (*tbit_and_3): Ditto.
9440 (*tbit_or_2): Ditto.
9441 (*tbit_or_3): Ditto.
9445 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9448 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9450 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9452 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9453 loop_optimizer_init and loop_optimizer_finalize
9454 * tree-ssa-sink.c (execute_sink_code): Ditto.
9455 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9456 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9457 tree_ssa_loop_done): Ditto.
9458 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9459 * sched-ebb.c: Include output.h.
9460 (schedule_ebbs): Do not use dump argument.
9461 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9462 * loop.c (loop_dump_stream): Removed.
9463 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9465 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9466 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9467 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9468 loop_iterations, strength_reduce, record_biv, record_giv,
9469 final_giv_value, check_final_value, check_ext_dependent_givs,
9470 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9471 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9472 dump_file instead of loop_dump_stream.
9473 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9475 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9477 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9478 * haifa-sched.c: Include output.h
9479 (schedule_insns, sched_init): Do not use dump argument.
9480 * mode-switching.c (optimize_mode_switching): Ditto.
9481 * modulo-sched.c (stats_file): Removed.
9482 (print_node_sched_params): Do not call argument dump_file.
9483 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9484 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9486 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9488 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9489 rtl_loop_init, rtl_loop_done): Ditto.
9490 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9491 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9493 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9494 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9495 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9496 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9497 * emit-rtl.c (renumber_insns): Ditto.
9498 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9499 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9500 * regclass.c (regclass): Ditto.
9501 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9502 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9503 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9504 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9506 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9507 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9509 * gcse.c (gcse_file, debug_stderr): Removed.
9510 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9511 rest_of_handle_gcse): Do not use dump argument.
9512 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9513 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9514 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9515 compute_code_hoist_vbeinout, compute_code_hoist_data,
9516 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9517 compute_store_table, build_store_vectors, insert_insn_start_bb,
9518 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9519 store_motion): Use dump_file instead of gcse_file.
9520 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9521 * profile.c (profile_dump_file): Removed.
9522 (branch_prob): Use dump_file instead of profile_dump_file.
9523 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9525 * tree-ssa-copy.c (dump_copy_of): Ditto.
9526 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9527 dump file to life_analysis.
9528 * bt-load.c (branch_target_load_optimize): Ditto.
9529 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9531 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9532 regclass, dbr_schedule): Declaration changed.
9533 * sched-int.h (sched_init): Declaration changed.
9534 * tree-profile.c (tree_profile_dump_file): Removed.
9535 (tree_profile_hooks): Removed profile_dump_file hook.
9536 * rtl-profile (rtl_profile_dump_file): Removed.
9537 (rtl_profile_hooks): emoved profile_dump_file hook.
9538 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9540 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9541 * tree-cfg.c (build_tree_cfg): Ditto.
9542 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9543 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9544 Declaration changed.
9545 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9546 life_analysis and schedule_insns.
9547 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9549 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9551 * config/mips/mips.c (mips_reorg): Ditto.
9552 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9555 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9557 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9558 (s390_mangle_fundamental_type): New.
9559 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9562 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9563 (alpha_mangle_fundamental_type): New.
9564 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9567 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9569 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9571 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9572 (sparc_mangle_fundamental_type): New.
9574 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9576 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9577 (s390x-*-linux*): Likewise.
9578 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9579 * config/s390/t-linux: New file.
9581 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9583 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9584 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9586 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9588 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9589 (ANTIC_SAFE_LOADS): New macro.
9590 (find_or_generate_expression): Add prototype.
9591 (set_contains_value): Allow null set for sake of not always having
9592 to allocate ANTIC_SAFE_LOADS.
9593 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9594 Allow COMPONENT_REF too.
9595 (valid_in_set): Allow COMPONENT_REF.
9596 Check ANTIC_SAFE_LOADS too.
9597 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9598 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9600 (can_PRE_operation): Add COMPONENT_REF.
9601 (create_component_ref_by_pieces): New function.
9602 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9603 (insert_aux): Move AGGREGATE_TYPE_P check here.
9604 (compute_avail): Set bb local stmt uids.
9605 (pass_pre): Use TODO_update_ssa_only_virtuals.
9607 2006-02-06 Ben Elliston <bje@au.ibm.com>
9609 * configure.ac: Unconditionally disable decimal float by default.
9610 * configure: Regenerate.
9612 2006-02-06 Ben Elliston <bje@au.ibm.com>
9614 * read-rtl.c (read_name): Terminate reading on EOF.
9616 2006-02-06 Ben Elliston <bje@au.ibm.com>
9618 * dfp.c (decimal_real_arithmetic): Change second argument type
9619 from int to enum tree_code. Do not always return true, but now
9620 return result of any call to decimal_do helper functions.
9621 * dfp.h (decimal_real_arithmetic): Update prototype.
9623 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9625 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9627 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9630 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9633 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9635 * tree-vrp.c (cfg_loops): Removed.
9636 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9637 Use current_loops instead of cfg_loops. Pass flags to
9638 loop_optimizer_init.
9639 * cfgloopmanip.c (fix_loop_structure): Update only available
9641 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9642 loop_optimizer_init.
9643 * modulo-sched.c (build_loops_structure): Removed.
9644 (sms_schedule): Use loop_optimizer_init.
9645 * loop-init.c (loop_optimizer_init): Use flags to determine
9646 which properties of loops to prepare.
9647 (rtl_loop_init): Pass flags to loop_optimizer_init.
9648 * tree-ssa-sink.c (execute_sink_code): Ditto.
9649 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9650 * tree-ssa-pre.c (init_pre): Ditto.
9651 * cfgloop.h (LOOPS_NORMAL): New.
9652 (loop_optimizer_init): Declaration changed.
9654 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9656 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9657 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9659 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9661 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9663 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9664 * pa/t-pa64: Delete quadlib.c rule.
9665 * pa/x-ada: Revert last change.
9666 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9668 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9670 PR rtl-optimization/26087
9671 * rtlanal.c (canonicalize_condition): Do not cross basic block
9674 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9677 * config/ia64/ia64.c: Include debug.h.
9678 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9679 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9680 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9681 (process_epilogue, process_set, process_for_unwind_directive):
9682 Output unwind info only if requested. Add CFA info if requested.
9683 Add new arguments as needed. Adjust callers.
9684 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9686 (DWARF2_FRAME_INFO): Define to zero.
9687 * config/ia64/unwind-ia64.c: Remove code that compensated for
9688 the CFA offset error fixed above.
9689 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9690 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9691 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9692 -funwind-tables and -fexceptions to enable frame info.
9693 (dwarf2out_frame_init): Define initial CFA even if
9694 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9695 DWARF2_UNWIND_INFO is nonzero, not just defined.
9696 (dwarf2out_frame_finish): Output non-EH call frame info only
9697 if DWARF2_FRAME_INFO is nonzero.
9698 (convert_cfa_to_loc_list,
9699 compute_frame_pointer_to_cfa_displacement): Define even if
9700 unwind info is not supported.
9701 (gen_subprogram_die): Use the above unconditionally. Remove
9702 legacy alternate code.
9703 * toplev.c (compile_file): Compile in call to
9704 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9705 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9707 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9708 Jakub Jelinek <jakub@redhat.com>
9710 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9711 IBM extended float format long double as "g" on powerpc*-linux.
9713 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9716 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9717 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9719 2006-02-03 Jason Merrill <jason@redhat.com>
9722 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9725 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9726 on the return slot if it's an NRV.
9728 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9730 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9731 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9732 rewrite_use): Do not handle USE_OUTER.
9733 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9734 add_iv_outer_candidates, may_replace_final_value,
9735 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9736 (find_interesting_uses_op): Functionality of
9737 find_interesting_uses_outer_or_nonlin moved here.
9738 (find_interesting_uses_outside): Use find_interesting_uses_op.
9740 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9743 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9745 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9746 Ulrich Weigand <uweigand@de.ibm.com>
9749 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9750 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9751 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9752 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9754 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9755 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9756 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9757 Define secondary reloads for TFmode moves.
9758 (constant_modes): Add TFmode.
9759 (NR_C_MODES): Set to 8.
9760 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9762 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9763 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9764 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9765 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9766 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9767 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9768 (FPR mode macro): Add TFmode.
9769 (DSF mode macro): New.
9770 (<de>, <dee> mode attributes): Removed.
9771 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9772 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9773 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9774 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9775 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9776 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9777 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9778 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9779 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9780 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9781 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9782 "*negabs<mode>2", "sqrt<mode>2"):
9783 Changed <de> to <xde>. R constraint replaced by <Rf>.
9784 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9786 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9787 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9788 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9790 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9791 "extenddftf2", "extendsftf2"): New expanders.
9792 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9793 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9794 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9795 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9797 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9798 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9799 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9800 __floatditf): Add a GCC_4.1.0 symbol version tag.
9801 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9804 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9807 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9808 Use targetm.binds_local_p instead of TREE_PUBLIC.
9810 2006-02-02 Roger Sayle <roger@eyesopen.com>
9812 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9813 on INTEGER_TYPEs to indicate that it denotes a character type.
9814 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9815 signed_char_type_node, unsigned_char_type_node and char_type_node.
9816 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9817 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9818 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9820 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9821 Daniel Berlin <dberlin@dberlin.org>
9823 * tree-tailcall.c (arg_needs_copy_p): New function.
9824 (eliminate_tail_call): Use arg_needs_copy_p.
9825 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9826 (add_virtual_phis): New function.
9828 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9830 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9831 #ignore instead of #scratch for %g7 .register directive.
9833 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9835 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9838 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9840 * flow.c (calculate_global_regs_live): Assert that there aren't any
9843 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9845 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9847 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9848 bsi_after_labels iterator.
9849 * tree-if-conv.c (find_phi_replacement_condition,
9850 replace_phi_with_cond_modify_expr): Likewise.
9851 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9852 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9854 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9856 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9858 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9861 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9862 array after growing it.
9864 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9867 * fold-const.c (fold_checksum_tree): Change type of buf.
9869 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9871 * reload.c (push_secondary_reload): Initialize t_icode.
9873 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9875 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9876 -msoft-float -mlong-double-128 only issue a warning, but don't
9877 swich to DFmode long double.
9879 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9881 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9882 has a constant equivalent, iterate over equivalents for arg0,
9883 calling simplify_relational_operation and if there's a result
9884 cheaper than X, apply fold_rtx and return the result.
9886 2006-02-01 Jan Hubicka <jh@suse.cz>
9888 * opts.c (no_unit_at_a_time_default): New global variable.
9889 (decode_options): Use it.
9890 * opts.h (no_unit_at_a_time_default): Declare.
9892 2006-02-01 Paul Brook <paul@codesourcery.com>
9894 * function.c (assign_parm_setup_reg): Use function argument promotion
9896 * expr.c (expand_expr_real_1): Use function argument promotion rules
9899 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9901 * gcc.c (process_command): Change j to 'unsigned int'.
9903 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9906 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9907 Use the corrected index for the character
9908 out of the string constant.
9910 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9912 * mode-switching.c (optimize_mode_switching): Fix size
9913 allocated for bb_info[n_entities].
9915 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9917 * gcc.c (main): Correct type that is allocated for
9918 explicit_link_files.
9920 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9922 * config/s390/s390.c (init_alignment_context): Set
9923 ALIAS_SET_MEMORY_BARRIER on the MEM.
9924 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9926 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9929 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9931 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9934 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9936 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9937 * regrename.c: Ditto.
9938 * tree-ssa-loop-im.c: Ditto.
9939 * tree-dump.c: Ditto.
9940 * tree-complex.c: Ditto.
9941 * genrecog.c: Ditto.
9942 * tree-ssa-threadupdate.c: Ditto.
9944 * java/class.c: Ditto.
9945 * java/jcf-parse.c: Ditto.
9946 * java/resource.c: Ditto.
9947 * java/except.c: Ditto.
9948 * java/jvspec.c: Ditto.
9949 * java/jcf-write.c: Ditto.
9950 * java/jcf-path.c: Ditto.
9951 * java/gjavah.c: Ditto.
9952 * java/zextract.c: Ditto.
9953 * java/jcf-io.c: Ditto.
9954 * java/jcf.h: Ditto.
9955 * java/buffer.c: Ditto.
9956 * java/lang.c: Ditto.
9957 * java/parse-scan.y: Ditto.
9958 * java/lex.c: Ditto.
9959 * java/lex.h: Ditto.
9960 * cfgloopmanip.c: Ditto.
9961 * postreload-gcse.c: Ditto.
9962 * tree-ssa-loop-manip.c: Ditto.
9963 * postreload.c: Ditto.
9964 * tree-ssa-loop-ch.c: Ditto.
9968 * diagnostic.c: Ditto.
9970 * genoutput.c: Ditto.
9972 * cfghooks.c: Ditto.
9973 * cfgloopanal.c: Ditto.
9974 * objc/objc-act.c: Ditto.
9976 * genextract.c: Ditto.
9977 * genautomata.c: Ditto.
9978 * pretty-print.c: Ditto.
9980 * cgraphunit.c: Ditto.
9983 * haifa-sched.c: Ditto.
9984 * dominance.c: Ditto.
9986 * tree-ssa-loop-ivopts.c: Ditto.
9988 * mode-switching.c: Ditto.
9989 * modulo-sched.c: Ditto.
9991 * ipa-pure-const.c: Ditto.
9993 * fix-header.c: Ditto.
9995 * tree-stdarg.c: Ditto.
9996 * ipa-utils.c: Ditto.
9997 * loop-init.c: Ditto.
9998 * ipa-inline.c: Ditto.
10001 * alloc-pool.c: Ditto.
10002 * dwarf2out.c: Ditto.
10004 * genattrtab.c: Ditto.
10005 * tree-ssa-loop-ivcanon.c: Ditto.
10006 * predict.c: Ditto.
10007 * timevar.c: Ditto.
10009 * fortran/gfortranspec.c: Ditto.
10010 * regmove.c: Ditto.
10011 * local-alloc.c: Ditto.
10012 * langhooks.c: Ditto.
10013 * function.c: Ditto.
10014 * tree-vectorizer.c: Ditto.
10016 * ipa-type-escape.c: Ditto.
10018 * tree-if-conv.c: Ditto.
10019 * profile.c: Ditto.
10021 * tree-data-ref.c: Ditto.
10022 * loop-unroll.c: Ditto.
10023 * treelang/treetree.c: Ditto.
10025 * bt-load.c: Ditto.
10026 * ggc-common.c: Ditto.
10028 * coverage.c: Ditto.
10030 * tree-cfgcleanup.c: Ditto.
10031 * tree-ssa-pre.c: Ditto.
10032 * cfgcleanup.c: Ditto.
10033 * loop-invariant.c: Ditto.
10034 * loop-iv.c: Ditto.
10035 * ipa-prop.c: Ditto.
10036 * print-tree.c: Ditto.
10037 * conflict.c: Ditto.
10038 * ggc-page.c: Ditto.
10039 * sched-deps.c: Ditto.
10040 * regclass.c: Ditto.
10041 * tree-object-size.c: Ditto.
10042 * combine.c: Ditto.
10043 * bb-reorder.c: Ditto.
10044 * resource.c: Ditto.
10045 * var-tracking.c: Ditto.
10046 * cfgloop.c: Ditto.
10047 * df-problems.c: Ditto.
10048 * reg-stack.c: Ditto.
10050 * gccspec.c: Ditto.
10051 * sched-rgn.c: Ditto.
10052 * tree-ssa-structalias.c: Ditto.
10053 * tree-ssa-reassoc.c: Ditto.
10054 * config/darwin-c.c: Ditto.
10055 * config/darwin.c: Ditto.
10056 * config/arm/arm.c: Ditto.
10058 * collect2.c: Ditto.
10059 * reload1.c: Ditto.
10061 2006-01-31 Nicolas Pitre <nico@cam.org>
10063 * arm.md (smaxsi3): Make aware of smax_m1.
10066 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10068 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10070 2006-01-31 Richard Guenther <rguenther@suse.de>
10072 * doc/invoke.texi (-msselibm): Document.
10073 * target.h (expand_library_builtin): New target hook.
10074 * builtins.c (expand_builtin): Use expand_library_builtin.
10075 (default_expand_library_builtin): New function.
10076 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10077 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10078 (link_gcc_math_spec): Declare.
10079 (static_specs): Add link_gcc_math_spec.
10080 * expr.h (default_expand_library_builtin): Declare.
10081 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10082 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10083 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10084 * config/i386/i386.opt (msselibm): New target option.
10085 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10086 (ix86_init_sse_abi_builtins): New function.
10087 (ix86_expand_library_builtin): Likewise.
10088 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10089 (override_options): Handle error conditions wrt -msselibm.
10090 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10091 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10092 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10095 2006-01-31 Richard Guenther <rguenther@suse.de>
10096 Paolo Bonzini <bonzini@gnu.org>
10098 * doc/install.texi (--disable-libgcc-math): Document.
10100 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10102 * expr.h (expand_normal): new inline function.
10103 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10104 * dojump.c: use it.
10105 * dwarf2out.c: use it.
10108 * expmed.c: use it.
10109 * except.c: use it.
10110 * config/sparc/sparc.c: use it.
10111 * config/i386/i386.c: use it.
10112 * config/rs6000/rs6000.c: use it.
10113 * config/arm/arm.c: use it.
10114 * config/mips/mips.c: use it.
10115 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10117 2006-01-30 Roger Sayle <roger@eyesopen.com>
10119 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10120 argv to the appropriate type.
10122 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10124 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10127 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10130 * config/s390/s390.c (struct machine_function): New flag
10131 decomposed_literal_pool_addresses_ok_p.
10132 (s390_reorg): Set it before final stage of literal pool transforms.
10133 (s390_decompose_address): Only accept displacements of the form
10134 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10136 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10138 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10139 the comparison routine return.
10141 2006-01-30 Michael Matz <matz@suse.de>
10143 * global.c (find_reg): Only evict for global regs.
10144 Take n_refs into account and dump more info.
10146 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10149 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10150 (pragma_trap, pragma_nosave_low_regs): Likewise.
10151 (current_function_anonymous_args): Likewise.
10152 (sh_deferred_function_attributes): New variable.
10153 (sh_deferred_function_attributes_tail): Likewise.
10154 (print_operand): For '@', look up trap_exit attribute.
10155 (calc_live_regs): Look up trapa_handler attribute. For trapa
10156 handlers, save/restore fpscr, but don't do any other
10157 interrupt-specific saves.
10158 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10159 Fix check for partially saved registers to check for SHmedia.
10160 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10161 (sh_output_function_epilogue): Don't clear any of the removed
10163 (sh_insert_attributes): Don't check pragma_interrupt.
10164 Insert deferred attributes. Check that interrupt attribute is
10165 present for other attributes that require its presence.
10166 (sh_attribute_table): Add new attributes trapa_handler and
10168 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10169 Don't check for pragma_interrupt. Don't store argument.
10170 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10171 (sh_deferred_function_attributes): Declare.
10172 (sh_deferred_function_attributes_tail): Likewise.
10173 * sh.md (sp_switch_1): Add operand. Change generator caller.
10174 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10175 (*return_i): Don't use when trap_exit attribute is in effect.
10176 (*return_trapa): New insn pattern.
10177 * sh-c.c: New file.
10178 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10179 setting c_target_objs and cxx_target_objs.
10180 * t-sh: Add rule for sh-c.o.
10182 2006-01-30 Richard Guenther <rguenther@suse.de>
10185 * gimplify.c (gimplify_target_expr): Handle easy cases
10186 without creating a temporary.
10188 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10190 * vec.h (safe_grow): Remove duplicated line.
10192 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10195 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10196 (expand_omp): ... here.
10197 (expand_omp_parallel): Only remove barriers for combined
10198 parallel+workshare constructs.
10200 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10204 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10205 * tree.c (build_qualified_type): Chain the new type to the original
10206 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10207 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10208 (build_pointer_type_for_mode): Only return unqualified types.
10209 (build_reference_type_for_mode): Likewise.
10211 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10213 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10214 * Makefile.in (CXX_COMPAT_WARN): Define.
10215 * configure: Regenerate.
10217 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10220 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10223 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10225 * toplev.c: Fix thinko.
10227 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10228 Marcin Dalecki <martin@dalecki.de>
10230 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10231 (push_srcloc): Use XNEW.
10232 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10234 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10236 * df-core.c (df_set_blocks): Deleted all variable.
10238 2006-01-28 Ian Lance Taylor <ian@airs.com>
10240 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10241 cgraph_output_pending_asms.
10243 2006-01-28 Zack Weinberg <zackw@panix.com>
10245 * c.opt: Add -W(no-)overlength-strings.
10246 * doc/invoke.texi: Document it.
10247 * c-opts.c (c_common_handle_option): -pedantic implies
10248 -Woverlength-strings, if not explicitly disabled already.
10249 (c_common_post_options): -Woverlength-strings defaults to off, and
10250 is always off for C++.
10251 * c-common.c (fix_string_type): Issue warning about strings longer
10252 than is portable only if warn_overlength_strings. Rearrange code
10253 a little for clarity.
10254 * configure.in: Check for -Wno-overlength-strings as well before
10255 enabling -pedantic in stage 1.
10256 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10257 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10259 * genconditions.c (write_header, write_one_condition)
10260 (write_conditions, write_writer): Consolidate very long strings
10261 that were broken up to fit in C89 portable limit. Don't use
10262 printf when fputs will do.
10264 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10266 * combine.c (simplify_comparison <AND>): Check
10267 TRULY_NOOP_TRUNCATION before start using a subreg.
10269 * config/mips/mips.md (*branch_zero<mode>,
10270 *branch_zero<mode>_inverted, *branch_equality<mode>,
10271 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10272 Remove mode check from comparisons.
10274 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10276 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10278 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10280 * expmed.c (const_mult_add_overflow_p): Remove.
10281 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10283 * recog.c (validate_replace_rtx_subexp): Remove.
10284 * recog.h: Remove the prototype for
10285 validate_replace_rtx_subexp.
10287 * integrate.h: Remove the prototype for
10288 copy_decl_for_inlining.
10289 * rtl.h: Remove the prototype for mark_constant_function.
10290 * tree-vectorizer.h: Remove the prototype for
10291 vect_strip_conversion.
10293 * modulo-sched.c (create_partial_schedule,
10294 free_partial_schedule, reset_partial_schedule): Make them
10297 * hooks.c (hook_bool_rtx_int_false): Remove.
10298 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10300 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10302 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10303 and -mlong-double-128 are incompatible.
10304 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10305 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10306 (TARGET_LIBGCC2_CFLAGS): Define.
10307 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10308 (TARGET_LIBGCC2_CFLAGS): Same.
10309 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10311 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10314 * c-typeck.c (build_binary_op): Perform implicit casts of
10315 operands before shortening them.
10317 * cfgloopmanip.c (split_loop_bb): Remove.
10318 * cfgloop.h: Remove the prototype for split_loop_bb.
10320 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10321 * cfgloop.h: Remove the prototype for
10322 flow_loop_outside_edge_p.
10324 * emit-rtl.c (init_virtual_regs): Make it static.
10325 * function.h: Remove the prototype for init_virtual_regs.
10327 * recog.c (peephole2_optimize): Make it static.
10328 * recog.h: Remove the prototype for peephole2_optimize.
10330 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10332 * df-scan.c (df_record_entry_block_defs): Check if
10333 INCOMING_RETURN_ADDR_RTX is defined.
10335 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10336 Kenneth Zadeck <zadeck@naturalbridge.com>
10338 PR rtl-optimization/24762
10339 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10340 * targhooks.c (hook_void_bitmap): New hook prototype.
10341 * targhoohs.h (hook_void_bitmap): Ditto.
10342 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10343 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10344 * target.h (live_on_entry): New function pointer.
10345 * df-scan.c (df_all_hard_regs): Removed.
10346 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10347 (df_scan_free_internal): Added df->entry_block_defs.
10348 (df_scan_alloc): Ditto.
10349 (df_scan_dump): Ditto.
10350 (df_uses_record): Plumbed flag field properly thru calls.
10351 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10352 This part fixes PR24762.
10353 (df_bb_refs_record): Added code to make the frame and arg
10354 pointers live in EH blocks.
10355 (df_refs_record): Added call to df_record_entry_block_defs.
10356 (df_record_entry_block_defs): New function.
10357 * df-core.c: Added comments to describe new artifical defs.
10358 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10359 (entry_block_defs): New field in struct df.
10360 (df_all_hard_regs): Deleted.
10361 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10362 * df-problems.c (df_ru_bb_local_compute_process_def):
10363 Added code to handle artifical defs in the entry to a function.
10364 (df_ru_bb_local_compute): Ditto.
10365 (df_rd_bb_local_compute_process_def): Ditto.
10366 (df_rd_bb_local_compute): Ditto.
10367 (df_lr_bb_local_compute): Ditto.
10368 (df_ur_bb_local_compute): Ditto.
10369 (df_urec_bb_local_compute): Ditto.
10370 (df_chain_create_bb): Ditto.
10371 (df_ur_local_finalize): Removed entry.
10372 (df_urec_init): Ditto.
10373 (df_urec_local_finalize): Ditto.
10374 (df_ri_bb_compute): Added detection of last use of pseudos.
10375 * Makefile.in (df-scan.o): Updated dependencies.
10376 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10377 * config/mips/mips.c (mips_set_live_on_entry): Added.
10378 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10380 * dce.c (marked_insn_p): Added code to handle artifical defs.
10382 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10384 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10386 (_mm_cvtsi128_si64): Likewise.
10387 (_mm_cvtsd_si64): Likewise.
10388 (_mm_cvttsd_si64): Likewise.
10389 (_mm_cvtsi64_sd): Likewise.
10390 (_mm_cvtsi64_si128): Likewise.
10391 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10392 (_mm_cvtsi64_m64): Likewise.
10393 (_m_to_int64): Likewise.
10394 (_mm_cvtm64_si64): Likewise.
10395 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10396 (_mm_cvttss_si64): Likewise.
10397 (_mm_cvtsi64_ss): Likewise.
10398 (_mm_cvtss_f32): Likewise.
10400 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10402 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10403 for pragma redefine_extname.
10405 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10408 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10409 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10410 -mno-minimal-toc to previous content.
10411 (bispecs): Remove goal.
10412 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10413 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10414 compatibility aliases on powerpc-*-*gnu*.
10415 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10416 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10417 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10418 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10419 (ldblspecs): New goal.
10420 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10421 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10423 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10424 L_sf_to_tf or L_df_to_tf is defined.
10426 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10427 Alan Modra <amodra@bigpond.net.au>
10430 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10431 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10432 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10433 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10434 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10435 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10436 (rs6000_override_options): Initialize rs6000_ieeequad.
10437 Initialize TFmode format to ibm_extended_format if not
10439 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10441 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10442 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10443 (function_arg_advance): IBM long double passed in two FPRs, not
10445 (function_arg): IBM long double passed in FPRs.
10446 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10447 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10448 Only multireg GPR aligned.
10449 (rs6000_init_libfuncs): Enable IBM long double functions if not
10451 (rs6000_generate_compare): Use IBM long double compare if not
10453 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10454 (TARGET_IEEEQUAD): Define.
10455 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10456 not TARGET_IEEEQUAD.
10457 * config/rs6000/rs6000.md: Enable TFmode patterns if
10459 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10460 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10461 and -mlong-double-128 are incompatible.
10462 * doc/invoke.texi (-mabi): Collect options together. Add
10463 ibmlongdouble and ieeelongdouble.
10465 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10467 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10469 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10470 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10471 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10472 * rtl.h (rtunion_def): Remove rt_ptr.
10474 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10475 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10476 * config/i386/winnt.c (i386_pe_mark_dllexport)
10477 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10479 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10481 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10483 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10487 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10488 pthread_key_delete. From John David Anglin. gthrw-ify
10489 pthread_getunique_np only if it it's not a macro. Delete
10491 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10492 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10493 __gthread_objc_condition_signal, __gthread_key_delete): Add
10494 "__attribute__ ((__unused__))" to unused arguments.
10495 (__gthread_recursive_mutex_init_function): Add missing return.
10496 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10497 gthr-posix95.h: Use macro-based approach for name redirection
10498 on targets missing weakref.
10500 2006-01-26 Zack Weinberg <zackw@panix.com>
10502 * genconditions.c (write_header): In generated code, #ifdef out
10503 all includes and fake declarations, except includes of bconfig.h
10504 and system.h, unless GCC_VERSION >= 3001. Do not include
10505 gensupport.h in any case.
10506 (write_conditions): Generate a definition of struct c_test. Add
10507 a comment to the generated #endif.
10508 (write_one_condition): Escape backslashes in string too.
10509 (write_writer): Generated code must escape backslashes and quote
10510 marks (but not newlines) in the strings it writes.
10511 * Makefile.in (build/gencondmd.o): Update dependencies.
10513 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10516 * Makefile.in (insn-automata.o): Add header file dependencies.
10517 * genautomata.c: Add includes.
10519 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10522 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10524 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10526 * configure.ac: Expect target tools paths to be passed from the toplevel
10527 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10529 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10531 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10534 * c.opt (Wpointer-sign): Init to -1.
10535 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10536 OPT_pedantic, to 0 otherwise.
10537 * doc/invoke.texi: Update.
10539 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10541 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10542 constants provided by 80387 instructions in the destination mode.
10544 2006-01-26 Richard Guenther <rguenther@suse.de>
10545 Andrew Pinski <pinskia@physics.uc.edu>
10548 partial PR tree-opt/17064
10549 * tree-ssa-structalias.c (intra_create_variable_infos):
10550 Create heap variables for incoming parameters if
10551 flag_argument_noalias > 1.
10552 (find_what_p_points_to): Look through default defs of
10555 2006-01-26 Jeff Law <law@redhat.com>
10558 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10559 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10560 within the VR_RANGE, use the VR_RANGE as the result, not the
10562 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10563 bounds for the type.
10565 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10567 * tree-ssa-alias.c (maybe_create_global_var): Change
10568 subvar walking to an assertion that we don't have subvar'd variables.
10570 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10573 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10574 Use a new variable, inner. PARM_DECLs are always non-weak.
10576 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10578 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10579 --disable-checking.
10581 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10583 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10585 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10587 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10588 (smax_insn, smin_insn, smax_0, smin_0): New.
10590 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10593 * config/cris/cris.c (cris_order_for_addsi3): New function.
10594 * config/cris/cris-protos.h: Prototype it.
10595 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10596 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10597 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10598 (split for "op.S1 [rx=rx+i],ry (swapped)")
10599 (split for "op(s|u).S1 [rx=rx+i],ry")
10600 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10601 Apply cris_order_for_addsi3 when generating addsi3 insns.
10603 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10605 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10606 (TREE_BLOCK): Add call to EXPR_CHECK.
10608 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10611 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10612 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10613 (dump_omp_clauses): ... here.
10614 (dump_generic_node): Handle OMP_CLAUSE.
10615 * tree.c (omp_clause_num_ops): New.
10616 (omp_clause_code_name): New.
10617 (tree_code_size): Handle OMP_CLAUSE.
10618 (tree_size): Likewise.
10619 (make_node): Document handling of OMP_CLAUSE.
10620 (tree_node_structure): Handle OMP_CLAUSE.
10621 (omp_clause_check_failed): New.
10622 (omp_clause_range_check_failed): New.
10623 (omp_clause_operand_check_failed): New.
10624 (build_omp_clause): New.
10625 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10626 * tree.h (enum omp_clause_code): Declare.
10627 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10628 (OMP_CLAUSE_RANGE_CHECK): Define.
10629 (OMP_CLAUSE_ELT_CHECK): Define.
10630 (omp_clause_check_failed): Declare.
10631 (omp_clause_operand_check_failed): Declare.
10632 (omp_clause_range_check_failed): Declare.
10633 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10634 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10635 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10636 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10637 (OMP_CLAUSE_IF_EXPR): Likewise.
10638 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10639 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10640 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10641 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10642 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10643 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10644 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10645 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10646 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10647 (OMP_CLAUSE_CODE): Define.
10648 (OMP_CLAUSE_SET_CODE): Define.
10649 (OMP_CLAUSE_CODE): Define.
10650 (OMP_CLAUSE_OPERAND): Define.
10651 (struct tree_omp_clause): Declare.
10652 (union tree_node): Add field 'omp_clause'.
10653 * treestruct.def (TS_OMP_CLAUSE): Define.
10654 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10655 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10656 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10657 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10658 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10659 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10660 (OMP_CLAUSE): Define.
10661 * print-tree.c (print_node): Handle OMP_CLAUSE.
10662 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10663 * c-typeck.c: Likewise.
10664 * gimplify.c: Likewise.
10665 * c-omp.c: Likewise.
10666 * tree-nested.c: Likewise.
10667 * tree-inline.c: Likewise.
10668 * c-parser.c: Likewise.
10669 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10672 2006-01-25 Roger Sayle <roger@eyesopen.com>
10674 PR rtl-optimization/25703
10675 * combine.c (try_combine): Handle zero_extract and strict_low_part
10676 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10678 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10680 * global.c: Fix comment typos.
10682 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10685 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10686 Use output_addr_const instead of assemble_name.
10688 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10690 * Makefile.in (sched-vis.o): Update dependencies.
10691 * haifa-sched.c (sched_finish): Clear current_sched_info.
10692 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10693 (dump_flow_info): Call it.
10694 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10696 * basic-block.h (dump_bb_info): Declare.
10697 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10698 option, and apply options only for dump files whose TDF_RTL,
10699 TDF_TREE, or TDF_IPA bits match.
10700 * rtl.h: Declare new functions exported from sched-vis.c.
10701 * sched-vis.c: Enable also if scheduling is not used.
10702 (print_value): Print the mode of registers if not inside scheduling.
10703 (print_insn): Make it work outside the scheduler. Beautify the output
10705 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10707 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10709 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10710 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10711 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10712 depending on the value of CONSTANT_POOL_ADDRESS_P.
10713 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10715 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10716 rather than SYMBOL_REF_DECL.
10717 (rtx_constant_pool): Remove const_rtx_sym_htab.
10718 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10719 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10720 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10721 Remove handling of const_rtx_sym_htab.
10722 (find_pool_constant): Delete.
10723 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10724 rather than find_pool_constant.
10725 (get_pool_constant_for_function): Delete.
10726 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10727 find_pool_constant.
10728 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10729 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10730 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10731 (SYMBOL_REF_CONSTANT): New macro.
10732 (get_pool_constant_for_function): Delete.
10733 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10734 rather than SYMBOL_REF_DECL.
10735 (i386_pe_mark_dllimport): Likewise.
10736 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10737 rather than SYMBOL_REF_DECL.
10738 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10739 (machopic_indirect_call_target): Likewise.
10741 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10743 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10745 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10747 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10749 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10751 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10753 2006-01-24 David Daney <ddaney@avtrex.com>
10756 * configure.ac (enable_tls): New enable option.
10757 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10758 * configure: Regenerate.
10759 * doc/install.texi (--enable-tls): Document new option.
10760 (--disable-tls): Ditto.
10762 2006-01-24 Richard Henderson <rth@redehat.com>
10764 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10765 * alias.c (true_dependence): Respect it.
10766 (canon_true_dependence, write_dependence_p): Likewise.
10767 * builtins.c (get_builtin_sync_mem): Set it.
10769 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10771 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10774 2006-01-24 DJ Delorie <dj@redhat.com>
10776 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10777 for storing constants in single-bit bitfields.
10779 2006-01-25 Ben Elliston <bje@au.ibm.com>
10781 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10783 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10786 * tree-ssa-pre.c (phi_translate): Return NULL
10787 for AGGREGATE_TYPE's.
10789 2006-01-24 Zack Weinberg <zackw@panix.com>
10791 * genautomata.c (process_state_for_insn_equiv_partition):
10792 Use xcalloc for insn_arcs_array.
10793 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10794 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10796 2006-01-24 Richard Henderson <rth@redhat.com>
10798 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10799 update all callers.
10801 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10803 PR rtl-optimization/25890
10804 PR rtl-optimization/25905
10805 * combine.c (expand_compound_operation, expand_field_assignment):
10806 Fail if the bitfield's final position is out of bounds.
10808 2006-01-24 Ian Lance Taylor <ian@airs.com>
10810 PR middle-end/25930
10811 * cgraphunit.c (cgraph_output_in_order): Don't clear
10812 cgraph_asm_nodes until after asm strings have been output.
10814 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10816 * fix-header.c (read_scan_file): Add new parameter imultilib when
10817 calling register_include_chains.
10819 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10821 * omp-low.c: Update documentation.
10823 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10824 Daniel Berlin <dberlin@dberlin.org>
10828 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10829 return from the function.
10831 2006-01-22 Zack Weinberg <zackw@panix.com>
10833 * rtl.def (match_code): Add second argument.
10834 * genpreds.c (write_extract_subexp): New function.
10835 (write_match_code): Add path argument. Use write_extract_subexp.
10836 (write_predicate_expr): Pass path to write_match_code.
10837 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10838 not perform a mode test.
10839 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10840 a subexpression does not constrain the top-level code set.
10841 * read-rtl.c (read_rtx_variadic): New function.
10842 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10843 * doc/md.texi: Document new notation.
10844 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10845 (cmpsi_operand): ... here, using new notation.
10847 2006-01-22 Zack Weinberg <zackw@panix.com>
10849 * varray.c: Remove GENERATOR_FILE #ifdefs.
10851 2006-01-22 Zack Weinberg <zackw@panix.com>
10853 * genautomata.c (output_reserved_units_table): Emit nothing if
10854 description->query_units_num is zero. Remove extra blank line.
10855 (output_cpu_unit_reservation_p): Short circuit
10856 if description->query_units_num is zero.
10858 2006-01-22 Zack Weinberg <zackw@panix.com>
10860 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10861 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10862 nor any of the random handful of variables that used to be necessary
10863 when this program was linked with rtlanal.o. Prune set of forward
10864 function declarations.
10865 (struct attr_desc): Remove static_p field.
10866 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10867 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10868 (attr_string): Do not read the character one past the length of
10870 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10871 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10872 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10873 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10874 (make_automaton_attrs): New.
10875 (main): Do not call into genautomata. Call local gen_bypass
10876 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10877 Remove special case for insn_alts.
10878 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10879 varray.h (leftover from previous change). Prune set of forward
10880 function declarations. Remove state_alts fields from all
10881 structures. Remove state_alts_table from struct automaton.
10882 Make everything except main static. Do not maintain num_dfa_decls.
10883 Do not maintain state_alts fields of various structures.
10884 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10885 (add_arc): Remove state_alts argument. All callers updated.
10886 (output_reserved_units_table): Emit #ifdef here...
10887 (output_tables): ...not here. Don't generate state_alts tables.
10888 (expand_automata): Don't generate attributes.
10889 (write_automata): Don't generate state_alts functions.
10890 (main): New function.
10891 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10892 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10893 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10894 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10895 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10896 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10897 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10898 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10900 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10901 * genattrtab.h: Delete file.
10902 * Makefile.in (OBJS-common): Add insn-automata.o.
10903 (insn-automata.o): New rule.
10904 (simple_generated_c): Add insn-automata.c.
10905 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10906 (genprogmd): Add automata.
10907 (build/genattrtab): Needs no extra objects nor libraries.
10908 (build/genautomata): Needs build/vec.o and -lm.
10910 2006-01-22 Zack Weinberg <zackw@panix.com>
10912 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10913 (output_dfa_max_issue_rate, locked_states_num): Delete.
10914 (struct automaton): Add locked_states field.
10915 (output_dead_lock_vect): Save number of locked states in
10916 automaton->locked_states. If it is zero, don't print anything.
10917 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10918 (output_internal_dead_lock_func): Only test the dead_lock_vect
10919 for automata that have locked states.
10920 (output_statistics): Always print the number of locked states for
10921 each automaton. Calculate total number of locked states here.
10922 (write_automata): Don't call output_dfa_max_issue_rate.
10923 * genattrtab.c: Define length_unit_log as a const variable.
10924 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10925 max_insn_queue_index const.
10926 * final.c (length_unit_log): Declare const.
10927 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10929 2006-01-22 Zack Weinberg <zackw@panix.com>
10931 * genautomata.c: Include vec.h, not varray.h.
10932 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10933 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10934 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10935 VEC_* macros operating on appropriately typed vectors, or to
10936 malloced arrays when the size is known in advance. Const-ify
10937 many char* variables and function arguments. No functional changes.
10938 * Makefile.in (build/varray.o): Delete rule.
10939 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10940 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10942 2006-01-22 Zack Weinberg <zackw@panix.com>
10944 * gensupport.c: Define get_insn_name and record_insn_name here.
10945 (read_md_rtx): Call record_insn_name as appropriate.
10946 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10947 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10948 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10950 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10951 (BUILD_VARRAY): Delete.
10952 (genprognormal): Rename genprogmd. Fold in all programs from
10953 genprognoprint; also attrtab.
10954 (build/genattrtab): Just mention genautomata.o and varray.o.
10955 Reorganize a bit, add comments to make the categories clearer.
10957 2006-01-22 Zack Weinberg <zackw@panix.com>
10959 * genconditions.c (condition_table, add_condition): Delete.
10960 (write_conditions): Don't emit n_insn_conditions nor
10961 insn_elision_unavailable. Issue the gcc version #ifdef here,
10962 inside the table, with no #else clause ...
10963 (write_header): ...not here.
10964 (write_writer): New function.
10965 (main): Don't initialize condition_table. Use add_c_test.
10967 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10968 files on the command line.
10969 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10970 Return -1 if there is no entry in the table, don't abort.
10971 (add_c_test, traverse_c_tests): New functions.
10972 * gensupport.h (insn_elision_unavailable, insn_conditions)
10973 (n_insn_conditions): Delete declarations.
10974 (add_c_test, traverse_c_tests): Declare.
10975 * read-rtl.c: Include gensupport.h.
10976 (read_conditions): New function.
10977 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10978 (read_rtx_1): If we get EOF when we were looking for an initial
10979 open paren, return 0. Call read_conditions when appropriate.
10980 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10981 dummy-conditions.o. Eliminate references to insn-conditions.o,
10982 or change them to build/gencondmd.o, as appropriate. Remove
10983 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10984 from $(simple_generated_c). For all files remaining in those
10985 two lists, add insn-conditions.md to the generator command line.
10986 Give insn-constants.h/s-constants their own rules. Add rules
10987 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10988 (build/read-rtl.o): Depend on gensupport.h.
10989 (genprognormal): Include preds.
10990 (genprogearly): Rename genprognoprint; only difference is now that
10991 they don't link with $(BUILD_PRINT).
10992 * dummy-conditions.c: Delete.
10994 2006-01-22 Zack Weinberg <zackw@panix.com>
10996 * genextract.c: Don't include insn-config.h. Do include vec.h.
10997 Declare vectors of int, char, and locstr.
10998 (locstr): New typedef.
10999 (struct extraction): Make all array fields into bare pointers.
11000 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11001 (insn_code_number): Delete.
11002 (accum_extract): New struct.
11003 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11004 (gen_insn): Take insn_code_number as an argument. Use an
11005 accum_extract structure instead of loading data directly into
11006 a struct extraction, and having to know how big it might get.
11007 (walk_rtx): Operate entirely on an accum_extract structure.
11008 (print_path): Avoid unnecessary use of printf.
11009 (print_header): New function, split out of main. Distinguish
11010 more carefully between an unrecognizable insn and an insn that
11011 has the code number of a define_expand.
11012 (main): Pass insn_code_number to gen_insn. Call print_header
11013 only after parsing. Avoid unnecessary use of printf.
11014 * Makefile.in (build/vec.o): New rule.
11015 (build/genextract): Depend on build/vec.o.
11016 (build/genextract.o): Don't depend on insn-config.h.
11018 2006-01-22 Zack Weinberg <zackw@panix.com>
11020 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11021 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11022 practical. Eliminate per-generator-program link rules.
11024 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11026 PR middle-end/24437
11027 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11028 with a call expr to ...
11029 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11031 2006-01-23 Richard Guenther <rguenther@suse.de>
11033 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11034 before make_edge with conditional EDGE_TRUE_VALUE.
11036 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11037 Jan Hubicka <jh@suse.cz>
11038 Richard Guenther <rguenther@suse.de>
11040 PR rtl-optimization/25654
11041 * cfgexpand.c (aggregate_contains_union_type): New function.
11042 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11043 for structure variables that contain a union type.
11045 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11047 * gengtype.c (new_structure): Return the structure.
11048 (create_option): Add an extra "next" argument.
11049 (create_field): New function.
11050 (adjust_field_rtx_def): Use create_option and create_field.
11051 Remove a now-unnecessary call to find_structure.
11052 (adjust_field_tree_def): Likewise.
11053 (note_yacc_type): Remove an unnecessary call to find_structure.
11054 * gengtype.h (new_structure): Return the structure.
11055 (create_option): Add an extra argument.
11056 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11057 (option): Adjust calls to create_option.
11059 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11061 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11063 2006-01-22 Paul Brook <paul@codesourcery.com>
11064 Peter Barada <peter@the-baradas.com>
11066 * config/m68k/m68k.md: Add Coldfire FPU support.
11067 Define FP mode macro and associated attributes.
11068 Use it for float mode patterns.
11069 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11070 (LIBCALL_VALUE): Use m68k_libcall_value.
11071 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11072 (m68k_function_value): Ditto.
11073 (emit_move_sequence): Ditto.
11074 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11075 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11076 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11077 (MULTILIB_EXCEPTIONS): Ditto.
11078 * config/m68k/m68k.opt: Add mcfv4e.
11079 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11080 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11081 (m68k_output_function_prologue): Save ColdFire FPU registers.
11082 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11083 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11084 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11085 ColdFire FPU registers.
11086 (m68k_libcall_value, m68k_function_value): New functions.
11087 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11088 (LIBCALL_VALUE): Use m68k_libcall_value.
11089 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11090 (MASK_COLDFIRE): Add MASK_CFV4E.
11091 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11092 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11093 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11094 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11095 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11096 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11097 * doc/invoke.tex: Document -mcfv4e on m68k.
11099 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11101 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11104 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11107 * c-opts.c (c_common_handle_option): Don't include
11108 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11109 * doc/invoke.texi (C++ Dialect Options): Document that
11110 -Wnon-virtual-dtor is no longer included in -Wall.
11112 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11114 * gcov.c (print_version), gcov-dump.c (print_version),
11115 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11118 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11120 * df-scan.c (problem_SCAN): Added NULL reset function.
11121 (df_scan_reset_blocks): Added code to call reset block function
11122 (df_bb_refs_delete) Fixed comment.
11123 (df_insn_refs_delete): Made tolerant of deleting non existent info
11124 for dataflow problems that need to be reset.
11125 * df-core.c (df_set_blocks): Ditto.
11126 * df.h (struct df_problem): Added reset_fun.
11127 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11128 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11129 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11130 functions to clear out all references to def-use or use-def chains.
11132 2006-01-21 Ben Elliston <bje@au.ibm.com>
11134 * varasm.c (assemble_real): Initialise data array.
11136 2006-01-20 Paul Brook <paul@codesourcery.com>
11138 Merge from csl-arm-branch.
11139 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11140 * config/arm/arm.md (movdi): Force operands[1] to a register
11141 if we have a non-register source.
11142 (*arm_movdi, *movdf_soft_insn): Require that one of the
11143 operands be a register.
11144 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11145 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11147 2006-01-20 DJ Delorie <dj@redhat.com>
11149 * varasm.c (initializer_constant_valid_p): Allow pointers
11150 initialized from integer constants of lesser precision.
11151 (output_constant): Allow non-int-sized pointer modes to be
11152 initialized from integer constants.
11154 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11157 * cppdefault.h (struct default_include): Add multilib flag.
11158 * cppdefault.c (cpp_include_defaults): Set it.
11159 * c.opt (-imultilib): New option.
11160 * c-opts.c (imultilib): New.
11161 (c_common_handle_option): Handle -imultilib.
11162 (c_common_post_options): Likewise.
11163 * c-incpath.c (add_standard_paths, register_include_chains):
11165 * c-incpath.h (register_include_chains): Add extra parameter.
11166 * gcc.c (do_spec_1): Generate -imultilib option.
11167 (The Specs Language): Update %I description.
11168 (process_command): Update copyright notice.
11169 * doc/cppopts.texi (-imultilib): Document.
11170 * doc/invoke.texi (-imultilib): Include in option summary.
11171 (%I): Update specs documentation.
11173 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11175 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11177 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11179 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11182 2006-01-20 Richard Guenther <rguenther@suse.de>
11183 Steven Bosscher <stevenb.gcc@gmail.com>
11185 PR rtl-optimization/24626
11186 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11187 EDGE_TRUE_VALUE if in RTL mode.
11190 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11191 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11193 2006-01-20 Dirk Mueller <dmueller@suse.com>
11196 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11197 instead of a special NOP marker.
11198 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11199 NOP marker handling.
11200 * c-common.h (empty_body_warning): Add forward declaration.
11201 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11202 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11204 2006-01-20 Paul Brook <paul@codesourcery.com>
11206 * Makefile.in (lang_checks): Keep going if mkdir fails.
11208 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11210 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11211 be able to clean out basic block when not necessary.
11212 (df_scan_free): Fixed to properly delete information if df is
11213 unused before calling df_finish.
11214 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11215 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11217 (df_bb_refs_delete): New function.
11218 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11219 * df-core.c (df_set_blocks): Added code to properly clean out
11220 unused blocks if they are not part of the blocks to consider.
11221 Added additional null check.
11222 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11223 be able to clean out basic block when not necessary
11224 * df.h (df_free_bb_function): Ditto.
11225 (df_bb_refs_delete): New function.
11226 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11227 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11228 basic block parameter to be able to clean out basic block when not
11230 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11231 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11232 Fixed to properly delete information if df is unused before
11235 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11237 PR rtl-optimization/25799
11238 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11239 Corrected confluence operator to remove bits from op2 before oring
11240 with op1 rather than removing bits from op1.
11241 (df_ru_transfer_function): Corrected test on wrong bitmap which
11242 caused infinite loop. Both of these problems were introduced in
11243 the dataflow rewrite.
11245 2006-01-19 DJ Delorie <dj@redhat.com>
11247 * reload1.c (find_reload_regs): Note the details of reload
11248 failures in the dump file.
11249 (spill_failure): Likewise.
11251 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11253 * loop-iv.c: Include df.h and hashtab.h.
11254 (enum iv_grd_result): New enum.
11255 (DF_REF_IV, DF_REF_IV_SET): New macros.
11256 (struct biv_entry): New.
11257 (df, bivs): New global variables.
11258 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11259 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11261 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11262 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11263 analyzed_for_bivness_p, record_biv): New functions.
11264 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11265 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11266 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11268 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11270 (iv_number_of_iterations): Use new interface to iv analysis.
11271 * loop-unroll.c: Do not include varray.h.
11272 (analyze_iv_to_split_insn): Use new interface to iv
11274 * loop-unswitch.c (may_unswitch_on): Ditto.
11275 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11277 (df_bb_modify): Realloc tables to the new index.
11278 (df_find_use): New function.
11279 * df.h (df_find_use): Declare.
11280 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11282 * cfgloop.h (struct rtx_iv): Remove analysed field.
11283 (iv_get_reaching_def): Removed.
11284 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11285 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11286 (loop-iv.o): Add df.h and hashtab.h dependency.
11287 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11289 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11292 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11294 (__floatundisf, __floatundidf): Likewise.
11295 * libgcc2.h (IS_IBM_EXTENDED): Define.
11297 2006-01-19 DJ Delorie <dj@redhat.com>
11299 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11301 2006-01-19 Paul Brook <paul@codesourcery.com>
11303 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11304 as nothrow when unwinding tables are disabled.
11306 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11309 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11310 of bit-field" when in system header.
11312 2006-01-19 DJ Delorie <dj@redhat.com>
11314 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11315 the 16 bit shift limit of the m16c.
11317 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11320 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11321 * config/i386/i386.c (output_set_got): Output the label if we have one
11322 for the TARGET_DEEP_BRANCH_PREDICTION case.
11324 2006-01-19 Jan Hubicka <jh@suse.cz>
11325 H.J. Lu <hongjiu.lu@intel.com>
11326 Evandro Menezes <evandro.menezes@amd.com>
11328 * invoke.texi (generic): Document
11330 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11331 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11332 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11333 (x86_use_incdec, x86_pad_returns): New variables
11334 (TARGET_CPU_DEFAULT_generic): New constant
11335 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11336 (enum processor_type): Add generic32 and generic64.
11337 * i386.md (cpu attribute): Add generic32/generic64
11338 (movhi splitter): Behave sanely when both partial_reg_dependency and
11339 partial_reg_stall are set.
11340 (K8 splitters): Enable for generic as well.
11341 * predicates.md (incdec_operand): Use TARGET_INCDEC
11342 (aligned_operand): Avoid memory mismatch stalls.
11343 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11344 * ppro.md: Enable for generic32
11345 * i386.c (generic64_cost, generic32_cost): New.
11346 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11347 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11348 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11349 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11350 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11351 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11352 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11353 x86_accumulate_outgoing_args, x86_prologue_using_move,
11354 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11355 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11356 Enable for generic.
11357 (x86_use_incdec, x86_pad_returns): New.
11358 (override_options): Add generic32 and generic64, translate "generic"
11359 to generic32/generic64 and "i686" to "generic32", refuse
11360 "generic32"/"generic64" as arch target.
11361 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11362 (ix86_reorg): Honor PAD_RETURNS.
11364 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11366 * tree-pretty-print.c (dump_generic_node): Handle
11367 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11368 * cgraph.c (cgraph_expand_queue): Rename from
11369 cgraph_analyze_queue. Update all users.
11370 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11371 cgraph_expand_queue.
11372 (cgraph_expand_all_functions): Likewise.
11373 (cgraph_finalize_pending_functions): Remove. Update callers.
11375 * tree.h (OMP_DIRECTIVE_P): Define.
11376 (OMP_PARALLEL_FN): Define.
11377 (OMP_PARALLEL_DATA_ARG): Define.
11378 (OMP_SECTIONS_SECTIONS): Define.
11379 * tree-pass.h (pass_expand_omp): Declare.
11380 * omp-low.c (struct omp_region): Declare.
11381 (struct omp_context): Remove fields 'parallel_type',
11382 'parallel_start_ix' and 'parallel_start_additional_args'.
11384 (struct omp_for_data): Rename from struct expand_omp_for_data.
11385 (omp_regions): New static variable.
11386 (root_omp_region): New static variable.
11387 (find_omp_clause): Make static.
11388 (is_in_combined_parallel_ctx): Remove.
11389 (is_combined_parallel): New.
11390 (extract_omp_for_data): Move earlier in the file.
11391 (workshare_safe_to_combine_p): New.
11392 (get_ws_args_for): New.
11393 (determine_parallel_type): Move earlier in the file.
11394 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11396 (omp_copy_decl): Likewise.
11397 (create_omp_child_function): Likewise.
11398 (lookup_omp_region): New.
11399 (dump_omp_region): New.
11400 (debug_omp_region): New.
11401 (debug_all_omp_regions): New.
11402 (new_omp_region): New.
11403 (scan_omp_parallel): If parallel_nesting_level > 1, the
11404 directive is nested within another parallel directive.
11405 Set OMP_PARALLEL_FN.
11406 (scan_omp_for): Do not try to handle combined parallel+for
11408 Remove FIXME comment.
11409 (scan_omp_nested): Remove.
11410 (scan_omp_1): Do not call scan_omp_nested when
11411 parallel_nesting_level is > 1.
11412 Do not change the DECL_CONTEXT of local variables found.
11413 (lookup_decl_in_outer_ctx): New.
11414 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11415 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11416 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11417 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11418 If CTX is nested, lookup VAR in the outer context when
11419 building copy assignment.
11420 (lower_send_clauses): Rename from expand_send_clauses.
11421 If CTX is nested, lookup VAR in the outer context when
11422 building copy assignments.
11423 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11424 If CTX is nested, lookup VAR in the outer context when
11425 building copy assignments.
11426 (expand_parallel_call): Rename from build_parallel_call.
11427 Handle combined parallel+workshare cases.
11428 Re-implement to emit code into the CFG.
11430 (expand_omp_parallel): Re-implement to emit code into the CFG.
11431 Call move_sese_region_to_fn to outline the sub-graph
11432 containing the parallel region.
11433 (expand_omp_for_1): Remove.
11434 (expand_omp_for_generic): Re-implement to emit code into the
11436 (expand_omp_for_static_nochunk): Likewise.
11437 (expand_omp_for_static_chunk): Likewise.
11438 (expand_omp_for): Likewise.
11439 (expand_omp_sections): Likewise.
11440 (remove_exit_barriers): New.
11441 (expand_omp_synch): New.
11443 (build_omp_regions_1): New.
11444 (build_omp_regions): New.
11445 (execute_expand_omp): New.
11446 (gate_expand_omp): New.
11447 (pass_expand_omp): Define.
11448 (lower_omp_sections): Rename from expand_omp_sections.
11449 Set OMP_SECTIONS_SECTIONS.
11450 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11451 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11452 (lower_omp_single): Rename from expand_omp_simple.
11453 (lower_omp_master): Rename from expand_omp_master.
11454 (lower_omp_ordered): Rename from expand_omp_ordered.
11455 (lower_omp_critical): Rename from expand_omp_critical.
11456 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11457 (lower_omp_for): Re-implement.
11458 (lower_omp_parallel): Re-implement.
11459 (lower_regimplify): Rename from expand_regimplify.
11460 (lower_omp_1): Rename from expand_omp_1.
11461 If there are syntax errors in the program, replace every
11462 OpenMP directive with NOP.
11463 Call lower_omp_* instead of expand_omp_*.
11464 (lower_omp): Rename from expand_omp.
11466 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11467 * tree-gimple.h (enum omp_parallel_type): Remove.
11468 (gimple_boolify): Declare extern.
11469 (find_omp_clause, determine_parallel_type): Remove.
11471 * gimple-low.c (lower_omp_directive): New.
11472 (lower_stmt): Call it.
11473 (record_vars_into): Move from ...
11474 (record_vars): ... here.
11475 Call record_vars_into with current_function_decl.
11477 * gimplify.c (struct gimplify_ctx): Remove fields
11478 combined_pre_p and combined_ctxp. Update users.
11479 (get_formal_tmp_var): Add documentation.
11480 (gimple_boolify): Make extern.
11481 (gimplify_expr_in_ctx): Remove. Update callers.
11482 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11483 will always be a BIND_EXPR.
11484 (gimplify_expr): Handle OMP_RETURN_EXPR.
11485 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11486 (OMP_PARALLEL): Add 3 operands.
11487 (OMP_SECTIONS): Add 1 operand.
11488 (OMP_RETURN_EXPR): Define.
11490 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11491 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11492 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11493 creating a circular free list.
11494 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11496 * tree-flow.h (move_sese_region_to_fn): Declare.
11497 (record_vars_into): Declare.
11498 * tree-cfg.c (make_omp_sections_edges): New.
11499 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11500 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11501 OMP_SECTIONS and OMP_SECTION.
11502 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11503 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11504 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11505 (gather_blocks_in_sese_region): New.
11506 (struct move_stmt_d): Declare.
11507 (move_stmt_r): New.
11508 (move_block_to_fn): New.
11509 (move_sese_region_to_fn): New.
11511 * passes.c (init_optimization_passes): Schedule
11512 pass_expand_omp after pass_init_datastructures.
11514 * tree-ssa-operands.c (get_expr_operands): Handle
11515 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11516 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11518 2006-01-19 Jeff Law <law@redhat.com>
11520 * tree-vrp.c (extract_range_from_assert): Refine the result range
11521 if the variable referenced by the ASSERT_EXPR has a range and
11522 either the tentative result range or the previous range is a
11525 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11527 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11529 2006-01-19 Jan Hubicka <jh@suse.cz>
11531 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11533 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11535 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11536 (expand_compound_operation, expand_field_assignment): Fail if the
11537 bit lengths of an extract operation are out of range.
11538 (make_extraction): Compute wanted_inner_mode based on the position
11539 and length of the extraction. Make it extraction_mode for non-constant
11540 positions, and do not modify offset in that case. When generating a
11541 new MEM, use a mode that can hold the extraction while keeping correct
11542 alignment. Remove code that supported MEMs wrapped by USEs.
11543 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11545 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11547 * config/s390/s390.md ("Y", "y"): New mode attribute.
11548 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11549 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11550 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11551 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11552 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11553 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11554 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11555 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11556 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11557 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11558 "addsi3", "subsi3"): Insn patterns removed.
11559 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11560 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11561 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11562 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11563 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11564 "*sub<mode>3_cconly2"): New insn patterns.
11565 ("addsi3", "subsi3"): New expanders.
11567 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11569 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11570 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11571 existing STMT_VINFO_VECTYPE if available.
11572 (vect_mark_relevant): Add special handling for stmts that are
11573 marked as STMT_VINFO_IN_PATTERN_P.
11574 (vect_analyze_loop): Call vect_pattern_recog.
11575 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11576 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11578 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11579 (vect_recog_func_ptr): New function-pointer type.
11580 * tree-vect-patterns.c: New file.
11581 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11582 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11583 (vect_pattern_recog_1): New functions.
11584 (vect_pattern_recog_funcs): New array of function pointers.
11586 * tree-vectorizer.h (ternary_op): New enum value.
11587 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11588 declaration. Revised documentation. Removed redundant dump prints.
11589 Removed redundant argument. Added support for reduction patterns.
11590 (vectorizable_reduction): Added support for reduction patterns.
11591 (vect_transform_stmt): Added support for patterns.
11593 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11594 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11595 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11596 (expand_widen_pattern_expr): New function.
11597 (init_optabs): Initialize new optabs udot_prod_optab,
11599 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11600 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11601 (expand_widen_pattern_expr): New function declaration.
11602 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11604 * tree-inline.c (estimate_num_insns_1): Added cases for new
11605 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11606 * tree-pretty-print.c (dump_generic_node): Likewise.
11607 (op_prio): Likewise.
11608 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11609 * tree-ssa-operands.c (get_expr_operands): Added case for
11611 * tree-vect-patterns.c (widened_name_p): New function.
11612 (vect_recog_dot_prod_pattern): Added function implementation.
11613 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11614 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11615 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11616 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11618 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11619 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11620 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11621 (init_optabs): Initialize new optabs widen_ssum_optab,
11623 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11624 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11625 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11626 use instead of type of def.
11627 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11628 function implementation.
11629 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11630 widen_ssumv8hi): New.
11632 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11635 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11638 * c-decl.c (add_flexible_array_elts_to_size): New function.
11639 (finish_decl): Use it.
11641 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11643 * diagnostic.h: Include options.h.
11644 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11645 dependancies for diagnostic.h.
11646 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11648 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11650 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11651 (ssa_ro_call_cache_valid): Ditto.
11652 * tree-ssa-alias.c (sort_tags_by_id): New function.
11653 (init_transitive_clobber_worklist): Ditto.
11654 (add_to_worklist): Ditto.
11655 (mark_aliases_call_clobbered): Ditto.
11656 (compute_tag_properties): Ditto.
11657 (set_initial_properties): Ditto.
11658 (compute_call_clobbered): Ditto.
11659 (compute_may_aliases): Call compute_call_clobbered and grouping.
11660 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11661 (compute_flow_insensitive_aliasing): Grouping now happens in our
11663 (setup_pointers_and_addressables): Remove clobbering related code.
11664 (add_may_alias): Ditto.
11665 (replace_may_alias): Ditto.
11666 (get_nmt_for): Ditto.
11667 (create_global_var):
11668 (is_escape_site): Return an escape_type enumeration.
11669 * tree-flow-inline.h (is_call_clobbered): Global var does not
11670 imply call clobbered.
11671 (mark_call_clobbered): Take a reason for marking this. Remove
11672 marking of globalness, and cache invalidation.
11673 (clear_call_clobbered): Remove cache invalidation code.
11674 * tree-dfa.c (dump_variable): If details is on, dump the reason
11676 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11678 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11679 (struct var_ann_d): Ditto.
11680 (enum escape_type): New.
11681 (mark_call_clobbered): Adjust prototype.
11682 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11683 are never call clobbered.
11684 Record reasons for escaping.
11685 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11686 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11687 (ssa_ro_call_cache_valid): Ditto.
11688 (clobbered_v_may_defs): Ditto.
11689 (clobbered_vuses): Ditto.
11690 (ro_call_vuses): Ditto.
11691 (clobber_stats): New.
11692 (init_ssa_operands): Zero out clobber stats.
11693 (fini_ssa_operands): Print out clobber stats.
11694 (get_call_expr_operands): Pass callee fndecl to
11695 add_call_read_ops).
11696 (add_call_clobber_ops): Remove use of cache.
11697 Add use of PURE_CONST information.
11698 (add_call_read_ops): Remove use of cache.
11699 Add use of static not_read information.
11701 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11703 Introduce TLS descriptors for i386 and x86_64.
11704 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11705 (TARGET_ANY_GNU_TLS): New macro.
11706 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11707 (struct machine_function): Add tls_descriptor_call_expanded_p.
11708 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11709 (ix86_current_function_calls_tls_descriptor): Likewise.
11710 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11711 (override_options): Introduce gnu2 tls dialect.
11712 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11714 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11716 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11717 (ix86_init_machine_status): Initialize new field.
11718 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11719 (ix86_tls_module_base): New.
11720 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11721 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11722 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11723 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11724 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11725 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11726 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11727 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11728 * config/i386/predicates.md (tls_modbase_operand): New.
11729 (tp_or_register_operand): New.
11731 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11733 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11734 (look_for_address_of): Ditto.
11735 (ipa_init): Walk the function decls.
11736 (static_execute): Don't set readonly on FUNCTION_DECL's.
11738 2006-01-18 Roger Sayle <roger@eyesopen.com>
11740 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11741 for shifts where the source and destination registers are different.
11743 2006-01-18 Paul Brook <paul@codesourcery.com>
11745 Merge from csl-arm-branch.
11746 2005-03-14 Julian Brown <julian@codesourcery.com>
11747 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11748 (aeabi_llsl): Likewise.
11749 (ashrdi3): Likewise.
11750 (aeabi_lasr): Likewise.
11751 (lshrdi3): Likewise.
11752 (aeabi_llsr): Likewise.
11753 2005-03-10 Julian Brown <julian@codesourcery.com>
11754 * config.gcc: Disable shared libgcc for SymbianOS.
11755 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11757 2006-01-18 DJ Delorie <dj@redhat.com>
11759 * c-pragma.c (handle_pragma_diagnostic): New.
11760 (init_pragma): Register it.
11761 * doc/extend.texi: Document it.
11763 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11764 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11765 (diagnostic_context): Add classify_diagnostic[].
11766 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11767 as errors if they're overridden to DK_WARNING.
11768 (diagnostic_initialize): Initialize classify_diagnostic[].
11769 (diagnostic_set_kind_override): New.
11770 (diagnostic_report_diagnostic): Check for kind changes.
11771 * opts.c (common_handle_option): Take lang_mask. Update callers.
11772 Handle OPT_Werror_.
11773 * common.opt (Werror=): New.
11774 * doc/invoke.texi: Document -Werror=*
11776 2006-01-18 Jeff Law <law@redhat.com>
11778 * tree-vrp.c (test_for_singularity): Correct test for new
11779 min limit. Use operand_equal_p rather than pointer equality
11780 for testing if new min/max values are equal.
11782 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11783 using range information until after propagation and folding.
11785 2006-01-18 Richard Henderson <rth@redhat.com>
11786 Aldy Hernandez <aldyh@redhat.com>
11787 Jakub Jelinek <jakub@redhat.com>
11788 Diego Novillo <dnovillo@redhat.com>
11790 * omp-low.c: New file.
11791 * c-omp.c: New file.
11793 2006-01-18 Richard Henderson <rth@redhat.com>
11794 Jakub Jelinek <jakub@redhat.com>
11795 Diego Novillo <dnovillo@redhat.com>
11797 * doc/invoke.texi: Document -fopenmp.
11798 * tree-dump.h (debug_function): Declare.
11799 * hooks.c (hook_bool_tree_bool_false): New function.
11800 (hook_tree_tree_null): Remove.
11801 (hook_tree_tree_tree_null): New.
11802 * hooks.h: Update to match.
11803 * tree-pretty-print.c (debug_tree_chain): New.
11804 (print_generic_expr): Handle TDF_CHAIN.
11805 (dump_generic_node): Handle BLOCK.
11806 Do not abort with incomplete SWITCH_EXPRs.
11807 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11808 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11809 print space after directive name.
11810 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11811 Handle OMP_MASTER and OMP_ORDERED.
11812 Handle printing of OMP_BODY just in one place, goto
11813 dump_omp_body in the rest of OMP_* nodes that have
11815 Don't handle clause nodes here. Update omp statements to
11816 use dump_omp_clauses.
11817 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11818 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11819 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11820 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11821 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11822 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11823 Adjust output for GOMP_PARALLEL.
11824 (dump_omp_clauses): New.
11825 (print_declaration): Dump DECL_VALUE_EXPR.
11826 (op_symbol_1): Split out of op_symbol.
11827 (dumping_stmts): Remove. Update all users.
11828 * cgraph.c (cgraph_analyze_queue): New.
11829 (cgraph_add_new_function): New.
11830 * cgraph.h (cgraph_analyze_queue): Declare.
11831 (cgraph_add_new_function): Declare.
11832 (cgraph_lower_function): Remove.
11833 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11834 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11835 and TYPE_P nodes in its default clause.
11836 (empty_body_p): New.
11837 (tree_range_check_failed): New.
11838 (build5_stat): New.
11839 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11840 OMP_CLAUSE_REDUCTION_MERGE,
11841 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11842 OMP_CLAUSE_PRIVATE_DEBUG,
11843 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11844 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11845 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11846 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11847 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11848 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11849 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11850 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11851 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11852 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11853 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11854 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11855 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11856 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11857 (TREE_RANGE_CHECK): New.
11858 (empty_body_p): Declare.
11859 (enum omp_clause_default_kind): New.
11860 (build_string_literal): Declare.
11861 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11862 (build5_stat, build5): Declare.
11863 * tree-pass.h (TDF_CHAIN): Define.
11864 * tree-pass.h (PROP_gimple_lomp): Define.
11865 (pass_lower_omp): Declare.
11866 * diagnostic.h (debug_tree_chain): Declare.
11867 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11869 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11870 * builtins.c (build_string_literal): Make extern.
11871 * gcc.c (include_spec_function): New.
11872 (static_spec_functions): Add it.
11873 (main): Move load of libgomp.spec ...
11874 (LINK_COMMAND_SPEC): ... here.
11875 (link_gomp_spec): New.
11876 (static_specs): Include it.
11877 (LINK_COMMAND_SPEC): Add link_gomp.
11878 (GOMP_SELF_SPECS): New.
11879 (driver_self_specs): Include it.
11880 (switch_matches): Don't mark inline.
11881 (main): Load libgomp.spec.
11882 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11883 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11884 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11885 * tree-gimple.h (enum omp_parallel): Declare.
11886 (determine_parallel_type): Declare.
11887 (omp_firstprivatize_variable): Declare.
11888 (omp_reduction_init): Declare.
11889 (diagnose_omp_structured_block_errors): Declare.
11890 (struct walk_stmt_info): Add want_return_expr.
11891 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11892 (find_omp_clause): Declare.
11893 (insert_field_into_struct): Declare.
11894 (struct walk_stmt_info): Move from tree-nested.c
11895 (walk_stmts): Declare.
11896 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11898 * cgraphunit.c (cgraph_lower_function): Make static.
11899 (cgraph_finalize_pending_functions): New.
11900 (cgraph_finalize_function): Call it.
11901 (cgraph_finalize_compilation_unit): Likewise.
11902 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11903 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11904 (BT_FN_UINT_UINT): New.
11905 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11906 DEF_FUNCTION_TYPE_VAR_4): Document.
11907 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11908 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11909 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11910 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11911 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11912 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11913 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11914 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11915 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11916 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11917 into separate files.
11918 (DEF_GOMP_BUILTIN): New.
11919 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11920 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11921 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11922 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11923 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11924 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11925 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11926 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11927 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11928 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11929 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11930 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11931 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11932 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11933 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11934 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11935 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11936 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11937 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11938 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11939 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11940 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11941 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11942 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11943 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11944 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11945 * sync-builtins.def: New file, moved from builtins.def.
11946 * omp-builtins.def: New file, moved from builtins.def.
11947 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11948 * gimple-low.c (lower_function_body): Clear data.
11949 (lower_stmt): Do not handle COMPOUND_EXPR.
11950 Remove call to print_node_brief.
11951 * c-tree.h (c_finish_omp_clauses): New prototype.
11952 (C_DECL_THREADPRIVATE_P): Define.
11953 (lookup_name_no_remap, c_omp_remap_private): Remove
11954 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11955 (check_for_loop_decls): Update decl.
11956 (lookup_name_no_remap, c_omp_remap_private): Declare.
11957 (build_indirect_ref, build_modify_expr, pushdecl,
11958 pushdecl_top_level): Move to c-common.h.
11959 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11960 before the switch, but just in the 2 places that need it.
11961 * c-decl.c (diagnose_mismatched_decls): Do not check for
11962 mismatched thread-local attributes when OLDDECL is marked
11963 threadprivate and NEWDECL has no thread-local attributes.
11964 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11965 (c_gimple_diagnostics_recursively): Rename from
11966 c_warn_unused_result_recursively. Invoke
11967 diagnose_omp_structured_block_errors.
11968 (check_for_loop_decls): Return a singular decl found.
11969 * langhooks.c (lhd_omp_predetermined_sharing): Return
11970 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11971 (lhd_omp_firstprivatize_type_sizes): New.
11972 (lhd_omp_assignment): New.
11973 (lhd_omp_predetermined_sharing): New.
11974 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11975 (struct lang_hooks_for_types): Add
11976 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11977 omp_predetermined_sharing, omp_disregard_value_expr,
11978 omp_private_debug_clause, omp_clause_default_ctor,
11979 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11980 (c_finish_omp_clauses): New.
11981 (c_finish_bc_stmt): Diagnose break within omp for.
11982 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11983 (build_unary_op): Return error_mark after reporting
11985 (build_modify_expr): Likewise.
11986 * gimplify.c: Include optabs.h and pointer-set.h.
11987 (enum gimplify_omp_var_data): Declare.
11988 (struct gimplify_omp_ctx): Declare.
11989 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11991 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11992 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11993 (splay_tree_compare_decl_uid): New.
11994 (new_omp_context): New.
11995 (delete_omp_context): New.
11996 (gimple_add_tmp_var): Call omp_add_variable.
11997 (gimplify_bind_expr): Likewise.
11998 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11999 true, disregard DECL_VALUE_EXPR on the decl if any.
12000 (gimplify_expr_in_ctx): New.
12001 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12002 omp_add_variable, omp_notice_variable, omp_is_private
12003 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12004 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12005 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12006 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12007 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12008 gimplify_omp_atomic): New.
12009 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12010 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12011 OMP_CRITICAL and OMP_ATOMIC.
12012 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12013 * c-pragma.h (enum pragma_kind): Add
12014 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12015 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12016 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12017 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12018 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12019 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12020 PRAGMA_OMP_THREADPRIVATE.
12021 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12022 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12023 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12024 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12025 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12026 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12027 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12028 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12029 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12030 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12031 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12032 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12033 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12035 (struct nesting_info): Add field_map,
12036 suppress_expansion, debug_var_chain.
12037 (create_nesting_tree): Initialize them.
12038 (lookup_field_for_decl): Use field_map.
12039 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12040 (convert_local_omp_clauses): New.
12041 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12042 (walk_body): Split out of walk_function.
12043 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12044 (convert_nonlocal_reference): Handle omp statements.
12045 (convert_local_reference): Likewise.
12046 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12047 (unnest_nesting_tree): New.
12048 (lower_nested_functions): Call it.
12049 (insert_field_into_struct): Make extern.
12050 (struct walk_stmt_info): Move to tree-gimple.h.
12051 (walk_stmts): Make extern.
12052 * omp-builtins.def: New file.
12053 * tree-iterator.c (expr_only): Clarify comment.
12054 * c-common.h (pushdecl_top_level, pushdecl,
12055 build_modify_expr, build_indirect_ref,
12056 c_finish_omp_master, c_finish_omp_critical,
12057 c_finish_omp_ordered, c_finish_omp_barrier,
12058 c_finish_omp_atomic, c_finish_omp_flush,
12059 c_finish_omp_for, c_split_parallel_clauses,
12060 omp_clause_default_kind, c_omp_sharing_predetermined,
12061 c_omp_remap_decl): Declare.
12062 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12063 (OBJS-common): Add omp-low.o.
12064 (c-omp.o, omp-low.o): Add.
12065 (gimplify.o): Add dependency on $(OPTABS_H).
12066 (GTFILES): Add omp-low.c.
12067 (gt-stringpool.h): Add.
12068 * tree-cfg.c (set_bb_for_stmt): Do not update the
12069 block-to-labels map if we are currently expanding to RTL.
12070 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12072 Handle IDENTIFIER_NODE.
12073 (tree_verify_flow_info): Do not ICE when emitting error
12074 messages about invalid labels.
12075 (dump_function_to_file): Reset CFUN before emitting the body
12077 (debug_function): New.
12078 * passes.c (init_optimization_passes): Schedule
12080 * langhooks-def.h (lhd_omp_predetermined_sharing,
12081 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12083 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12084 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12085 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12086 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12087 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12088 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12089 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12090 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12091 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12092 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12093 (LANG_HOOK_DECLS): Use them.
12095 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12096 Richard Henderson <rth@redhat.com>
12097 Jakub Jelinek <jakub@redhat.com>
12098 Diego Novillo <dnovillo@redhat.com>
12100 * c-parser.c (pragma_omp_clause): Define.
12101 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12102 (c_parser_compound_statement): Likewise.
12103 (c_parser_statement): Likewise.
12104 (c_parser_pragma): Handle omp pragmas.
12105 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12106 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12107 (c_parser_omp_clause_name, check_no_duplicate_clause,
12108 c_parser_omp_variable_list,
12109 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12110 c_parser_omp_clause_copyprivate,
12111 c_parser_omp_clause_default,
12112 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12113 c_parser_omp_clause_lastprivate,
12114 c_parser_omp_clause_nowait,
12115 c_parser_omp_clause_num_threads,
12116 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12117 c_parser_omp_clause_reduction,
12118 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12119 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12120 c_parser_omp_atomic, c_parser_omp_barrier,
12121 c_parser_omp_critical, c_parser_omp_flush,
12122 c_parser_omp_for_loop, c_parser_omp_for,
12123 c_parser_omp_master, c_parser_omp_ordered,
12124 c_parser_omp_sections_scope, c_parser_omp_sections,
12125 c_parser_omp_parallel, c_parser_omp_single,
12126 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12127 * c-pragma.c (init_pragma): Do omp pragma registration here.
12128 * c.opt (fopenmp): New flag.
12130 2006-01-18 Eric Christopher <echristo@apple.com>
12132 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12133 * config/darwin.h (GOMP_SELF_SPECS): Define.
12135 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12137 * rtl.h: Remove the prototype for reg_alloc.
12139 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12142 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12143 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12144 sjlj and dwarf2 exception handling.
12145 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12146 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12147 * pa/pa.c (function_value): Treat complex and vector types as
12149 (function_arg): Likewise. Only pass scalar floats in the floating
12150 point argument registers.
12151 * pa/t-slibgcc-dwarf-ver: New file.
12152 * pa/t-slibgcc-sjlj-ver: New file.
12153 * pa/t-slibgcc-elf-ver: Delete file.
12155 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12157 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12158 unlikely_test_section_p test.
12160 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12162 * mode-switching.c (optimize_mode_switching): Make it static.
12163 * basic-block.h: Remove the prototype for
12164 optimize_mode_switching.
12166 * modulo-sched.c (sms_schedule): Make it static.
12167 * rtl.h: Remove the prototype for sms_schedule.
12169 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12170 * rtl.h: Remove the prototype for gcse_after_reload_main.
12172 * reg-stack.c (reg_to_stack): Make it static.
12173 * rtl.h: Remove the prototype for reg_to_stack.
12175 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12177 * rtl.h: Remove the prototypes for regrename_optimize and
12178 copyprop_hardreg_forward.
12180 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12182 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12183 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12184 Test against the appropriate null constant for the mode.
12185 If 'fixup_overlap' is true, swap the operands if they overlap.
12186 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12187 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12188 alpha_split_tmode_pair and adjust for above change.
12189 * config/alpha/alpha.md (movtf_internal): Adjust call to
12190 alpha_split_tfmode_pair and rely on it to swap the operands.
12191 (movti_internal): New insn and post-reload splitter.
12192 (movti): New expander.
12194 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12196 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12199 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12201 * rtlanal.c (global_reg_mentioned_p_1,
12202 global_reg_mentioned_p): Remove.
12203 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12205 * flow.c (initialize_uninitialized_subregs): Make it static.
12206 * rtl.h: Remove the prototype for
12207 initialize_uninitialized_subregs.
12209 * function.c (instantiate_virtual_regs): Make it static.
12210 * function.h: Remove the prototype for
12211 instantiate_virtual_regs.
12213 * regmove.c (regmove_optimize, combine_stack_adjustments):
12215 * rtl.h: Remove the prototypes for regmove_optimize and
12216 combine_stack_adjustments.
12218 2006-01-17 Roger Sayle <roger@eyesopen.com>
12220 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12221 (size_cost): Encode costs in bytes so that a reg-reg addition is
12222 equivalent to COSTS_N_INSNS(1).
12223 (override_options): Use the size_cost.branch_cost as the default
12224 ix86_branch_cost when optimizing for size.
12226 2006-01-18 Ben Elliston <bje@au.ibm.com>
12228 * Makefile.in (D32PBIT_FUNCS): New.
12229 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12230 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12231 D64PBIT_FUNCS and D128PBIT_FUNCS.
12232 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12233 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12235 (decnumber_dep): Define.
12236 * doc/libgcc.texi (Decimal float library routines): New node.
12237 * config/dfp-bit.h, config/dfp-bit.c: New files.
12239 2006-01-18 Ben Elliston <bje@au.ibm.com>
12241 * expr.c (emit_move_change_mode): Always adjust addresses, not
12242 just during reload. Copy replacements only during reload.
12243 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12244 emit_move_via_integer.
12246 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12248 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12249 instead of $(srcdir) and ${srcdir}.
12251 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12254 PR middle-end/11135
12255 * arm.h (struct machine_function): Add pic_reg.
12256 * arm.c (arm_pic_register): Make unsigned.
12257 (arm_override_options): Only set arm_pic_register if
12258 TARGET_SINGLE_PIC_BASE.
12259 (use_return_insn): Only test for a pic register if it is fixed.
12260 (arm_compute_save_reg0_reg12_mask): Likewise.
12261 (thumb_compute_save_reg_mask): Likewise.
12262 (legitimate_pic_operand): Factor out some known invariants.
12263 (legitimize_pic_address): If we don't have a fixed pic register,
12264 then set up a pseudo in the function entry sequence. Handle the
12265 pic base being in a pseudo.
12266 (arm_load_pic_register): Handle the pic register being in a pseudo.
12267 (arm_expand_prologue): Only set up the pic register if it is fixed.
12268 (thumb_expand_prologue): Likewise.
12269 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12270 (pic_load_addr_based_insn): Likewise.
12271 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12274 2006-01-18 Ben Elliston <bje@au.ibm.com>
12276 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12277 decimal float modes for all floating point registers.
12279 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12280 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12282 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12285 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12286 even when the pointer is not NULL.
12288 2006-01-16 Ian Lance Taylor <ian@airs.com>
12290 * common.opt (ftoplevel-reorder): New option.
12291 * cgraph.c (cgraph_asm_nodes): New global variable.
12292 (cgraph_asm_last_node): New static variable.
12293 (cgraph_order): New global variable.
12294 (cgraph_create_node): Set new order field.
12295 (cgraph_varpool_node): Likewise.
12296 (decide_is_variable_needed): Return true if not
12297 flag_toplevel_reorder.
12298 (cgraph_add_asm_node): New function.
12299 * cgraph.h (struct cgraph_node): Add order field.
12300 (struct cgraph_varpool_node): Add order field.
12301 (struct cgraph_asm_node): Define.
12302 (cgraph_asm_nodes, cgraph_order): Declare.
12303 (cgraph_add_asm_node): Declare.
12304 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12306 (cgraph_varpool_assemble_pending_decls): Call it.
12307 (cgraph_output_pending_asms): New static function.
12308 (cgraph_finalize_compilation_unit): Call it.
12309 (struct cgraph_order_sort): Define.
12310 (cgraph_output_in_order): New static function.
12311 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12312 !flag_toplevel_reorder case.
12313 * c-parser.c: Include "cgraph.h".
12314 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12316 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12317 than -fno-unit-at-a-time.
12318 * doc/invoke.texi (Option Summary): Mention
12319 -fno-toplevel-reorder.
12320 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12321 -funit-at-a-time documentation.
12323 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12324 Kazu Hirata <kazu@codesourcery.com>
12326 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12328 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12330 * Makefile.in (FUNCTION_H): New. Use it instead of
12331 function.h throughout the file.
12332 * function.h: Include tree.h.
12334 2006-01-17 Ben Elliston <bje@au.ibm.com>
12336 * recog.c: Separate some functions with whitespace.
12338 2006-01-16 Richard Henderson <rth@redhat.com>
12340 Merge from gomp branch:
12341 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12342 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12343 and rename from struct inline_data. Rename callee* to dst*;
12344 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12345 transform_new_cfg, transform_return_to_modify, and
12346 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12348 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12349 (copy_decl_for_dup): Remove.
12350 * tree-inline.c (struct inline_data): Move to header.
12351 (insert_decl_map): Export.
12352 (remap_decl): Update for member name changes. Use copy_decl hook.
12353 Allow for replacement to be a non-decl. Remove dead code.
12354 (remap_type_1): Check for existing mapping.
12355 (remap_type): Export.
12356 (remap_decls): Update for member name changes.
12357 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12358 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12359 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12360 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12361 (tree_function_versioning, build_duplicate_type): Likewise.
12362 (copy_body_r): Likewise. Export.
12363 (copy_decl_for_dup): Split into ...
12364 (copy_decl_for_dup_finish, copy_decl_to_var,
12365 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12366 (replace_ref_tree, inlining_p): Remove.
12368 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12370 * ifcvt.c (if_convert): Make it static.
12371 * rtl.h: Remove the prototype for if_convert.
12373 * local-alloc.c (local_alloc): Make it static.
12374 * rtl.h: Remove the prototype for local_alloc.
12376 * loop.c (loop_optimize): Make it static.
12377 * cfgloop.h: Remove the prototype for loop_optimize.
12380 2006-01-16 DJ Delorie <dj@redhat.com>
12382 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12385 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12387 * pa.md: Disparage copies between general and floating-point registers
12388 in 32-bit move patterns.
12390 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12393 * Makefile.in (check-%): Depend on site.exp instead of
12394 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12397 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12399 * global.c (global_alloc): Make it static.
12400 * rtl.h: Remove the prototype for global_alloc.
12402 2006-01-16 Richard Guenther <rguenther@suse.de>
12404 * tree-ssa-alias.c (struct used_part): Add write_only field.
12405 (get_or_create_used_part_for): Initialize it to true.
12406 (create_overlap_variables_for): Don't create structure variables
12407 for structures that only are written to.
12408 (find_used_portions): Handle MODIFY_EXPR to track whether a
12409 structure is only written to.
12411 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12413 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12415 * basic-block.h: Remove the prototype for
12416 partition_hot_cold_basic_blocks.
12418 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12420 * cppspec.c (lang_specific_spec_functions): Remove.
12421 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12422 * gcc.h (lang_specific_spec_functions): Remove.
12423 * gccspec.c (lang_specific_spec_functions): Remove.
12425 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12427 * combine.c (record_value_for_reg): Invalidate registers
12429 (record_dead_and_set_regs_1): Likewise, by passing them to
12430 record_value_for_reg.
12431 (record_dead_and_set_regs): Invalidate stores made by a
12432 call. We do not combine across a call, but we still
12433 relied on equivalences.
12435 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12437 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12438 vrp_int_const_binop returning non-constant nodes.
12440 2006-01-16 Paul Brook <paul@codesourcery.com>
12442 * config/m68k/m68k.c (output_move_const_into_data_reg):
12443 Output correct mnemonic for mvz and mvs.
12445 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12447 * rtl-factoring.c: Add sequence abstraction algorithm.
12448 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12449 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12451 (block_has_preserve_label): New function.
12452 * common.opt: Register new pass.
12453 * Makefile.in: Ditto.
12455 * timevar.def: Ditto.
12456 * tree-pass.h: Ditto.
12457 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12458 * rtl.h (make_jump_insn_raw): Add forward decl.
12459 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12461 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12462 Roger Sayle <roger@eyesopen.com>
12464 * fold-const.c (fold_minmax): New static function.
12465 (fold_binary) <MIN_EXPR>: Call it.
12466 <MAX_EXPR>: Likewise.
12467 * stor-layout.c (place_field): Use DECL_SIZE consistently
12468 in the computation of the new record size.
12470 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12472 * cse.c (cse_condition_code_reg): Make it static.
12473 * rtl.h: Remove the prototype for cse_condition_code_reg.
12475 * combine.c (combine_instructions): Make it static.
12476 * rtl.h: Remove the prototype for combine_instructions.
12478 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12481 * tree.c (get_file_function_name_long): Concatenate the first global
12482 object name with a string derived from the input filename of the object
12485 2006-01-16 Ben Elliston <bje@au.ibm.com>
12487 * config/i386/winnt-stubs.c: Update FSF address.
12488 * config/xtensa/ieee754-df.S: Ditto.
12489 * config/xtensa/ieee754-sf.S: Ditto.
12491 2006-01-14 Ian Lance Taylor <ian@airs.com>
12493 * ifcvt.c (noce_init_if_info): New static function, broken out of
12494 noce_process_if_block.
12495 (noce_process_if_block): Call noce_init_if_info.
12496 (check_cond_move_block): New static function.
12497 (cond_move_process_if_block): New static function.
12498 (process_if_block): Call cond_move_process_if_block.
12500 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12502 * cselib.c (hash_table): Rename to cselib_hash_table.
12503 (cselib_clear_table, discard_useless_values,
12504 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12505 cselib_init, cselib_finish): Adjust uses of hash_table.
12507 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12509 PR tree-optimization/25485
12510 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12511 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12512 is known to be false and true, respectively.
12514 2006-01-14 Richard Guenther <rguenther@suse.de>
12516 PR tree-optimization/22548
12517 PR tree-optimization/22555
12518 PR tree-optimization/22501
12519 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12520 * params.def (salias-max-array-elements): New parameter.
12521 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12522 * doc/invoke.texi (salias-max-array-elements): Document.
12523 * tree-flow-inline.h (var_can_have_subvars): We also handle
12525 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12527 * tree-ssa-structalias.c (params.h): Include.
12528 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12529 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12530 (get_constraint_for): For ADDR_EXPR operating on something
12531 containing an ARRAY_REF, add all subvars to the solution.
12532 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12533 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12534 for creating MUST_DEFs.
12535 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12537 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12539 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12541 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12542 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12543 number_of_iterations_le): New functions.
12544 (number_of_iterations_special): Removed.
12545 (number_of_iterations_exit): Do not use number_of_iterations_special.
12546 * tree.c (unsigned_type_for): Always return integer type.
12548 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12549 Richard Guenther <rguenther@suse.de>
12551 PR rtl-optimization/24257
12552 * gcse.c (find_moveable_store): Only consider a store movable
12553 when the SET_SRC of the insn can be assigned to a register.
12555 2006-01-14 Ian Lance Taylor <ian@airs.com>
12557 * tree.c (tree_not_class_check_failed): New function.
12558 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12559 (tree_not_class_check_failed): Declare.
12561 2006-01-13 Ian Lance Taylor <ian@airs.com>
12563 * reload1.c (do_output_reload): Add assertion rejecting a
12566 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12568 * combine.c (struct reg_stat): Add new fields truncation_label and
12570 (record_value_for_reg): Reset truncated_to_mode.
12571 (record_truncated_value): New function.
12572 (check_promoted_subreg): Call it. Rename to check_conversions.
12573 (combine_instructions): Rename check_promoted_subreg to
12575 (reg_truncated_to_mode): New function.
12576 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12577 (gen_lowpart_or_truncate): New function.
12578 (force_to_mode): Use it instead of gen_lowpart.
12580 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12582 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12583 VAR is a tag, not its type tag.
12585 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12587 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12588 alternatives to match style of other entries.
12589 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12591 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12593 PR tree-optimization/25771
12594 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12597 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12600 * tree-inline.c (declare_return_variable): If the return variable
12601 was marked as a non gimple complex, set the return slot variable
12602 to be a non gimple comple variable.
12604 2006-01-13 Richard Guenther <rguenther@suse.de>
12606 * builtins.c (expand_builtin_sincos): New function.
12607 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12609 (expand_builtin): Expand sincos using expand_builtin_sincos.
12611 2006-01-12 DJ Delorie <dj@redhat.com>
12613 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12614 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12615 so that constant shifts can be split.
12616 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12617 (m32c_valid_pointer_mode): Make static.
12618 (shift_gen_func_for): New.
12619 (m32c_prepare_shift): Use it. Split large const shifts into
12621 * config/m32c/predicates.md (shiftcount_operand): Allow more
12623 (longshiftcount_operand): New.
12624 * doc/md.texi (Machine Constraints): Document In6.
12626 2006-01-13 Ben Elliston <bje@au.ibm.com>
12628 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12629 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12632 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12634 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12635 to try to avoid clobbering pieces of structures when we know
12636 something about the whole structure.
12637 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12639 2006-01-13 Ben Elliston <bje@au.ibm.com>
12641 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12642 return in memory, as this is no limitation is no longer present.
12644 2006-01-12 DJ Delorie <dj@redhat.com>
12646 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12647 mova with fb, and for fb+0 -> An.
12649 * config/m32c/mov.md (peephole2): Fix enabling logic.
12651 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12652 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12653 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12654 FINI_ARRAY_SECTION_ASM_OP): Define.
12656 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12658 (m32c_legitimize_reload_address): New logic to reload FB to An.
12659 (m32c_output_reg_push): Add newline.
12660 (m32c_output_reg_pop): Likewise.
12662 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12664 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12666 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12668 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12670 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12672 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12675 2006-01-11 Ben Elliston <bje@au.ibm.com>
12677 * rtlanal.c (find_reg_note): Assert insn is not null.
12679 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12681 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12684 2006-01-11 Jeff Law <law@redhat.com>
12686 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12688 (mark_threaded_blocks, register_jump_thread): New functions.
12689 (thread_through_all_blocks): Remove unwanted argument. No
12690 longer rely on e->aux to communicate thread target info.
12691 Call mark_threaded_blocks. Release the threaded_blocks
12692 bitmap and threaded_edges vector when complete.
12693 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12694 (threaded_blocks): Remove.
12695 (tree_ssa_dominator_optimize): Remove initialization and
12696 finalization of threaded_blocks. Simplify call to
12697 thread_through_all_blocks.
12698 (thread_across_edge): Call register_jump_thread rather than
12699 storing thread information into e->aux.
12700 (free_all_edge_infos): Simplify now that e->aux is no longer
12701 used to communicate with thread_through_all_blocks.
12702 * tree-flow.h (thread_through_all_blocks): Update prototype.
12703 (register_jump_thread): Prototype.
12705 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12707 * df-core.c (df_compact_blocks, df_bb_replace): Use
12708 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12710 2006-01-11 Richard Guenther <rguenther@suse.de>
12712 PR tree-optimization/25734
12713 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12714 stop propagation after successful propagation to the LHS.
12716 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12718 * basic-block.h (control_flow_graph): Change the type of
12719 x_basic_block_info to VEC(basic_block,gc) *.
12720 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12722 (SET_BASIC_BLOCK): New.
12723 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12724 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12725 * cfgbuild.c (find_basic_blocks): Likewise.
12726 * cfglayout.c (fixup_reorder_chain): Likewise.
12727 * cfgrtl.c (create_basic_block_structure,
12728 rtl_create_basic_block): Likewise.
12729 * ifcvt.c (find_if_case_1): Likewise.
12730 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12733 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12735 * Makefile.in: Removed rotted odf.c entry.
12737 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12740 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12741 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12742 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12743 output pattern modifier, not %e.
12744 * config/cris/cris.c (cris_op_str): Update comment about pattern
12746 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12747 before falling through into...
12748 <case 'E'>: Redefined from old 'e' case.
12750 2006-01-11 Jan Hubicka <jh@suse.cz>
12753 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12755 2006-01-11 Jan Hubicka <jh@suse.cz>
12757 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12758 * i386.c (x86_decompose_lea): Kill.
12759 (ix86_rtx_costs): Kill.
12761 2006-01-11 Jan Hubicka <jh@suse.cz>
12763 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12764 * cgraph.h (cgraph_node): Add inline_decl.
12765 (cgraph_insert_node_to_hashtable): Declare.
12766 (save_inline_function_body): Declare.
12767 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12769 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12770 (cgraph_function_versioning): Update call of tree_function_versioning.
12771 (save_inline_function_body): New function.
12772 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12773 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12774 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12775 (cgraph_default_inline_p): Likewise.
12776 (cgraph_decide_inlining_incrementally): Likewise.
12777 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12778 (copy_bb): Kill saving; do updating of clones.
12779 (copy_cfg_body): Kill saving.
12780 (initialize_inlined-parameters): Likewise.
12781 (expand_call_inline): Likewise.
12783 (tree_function_versioning): New parameter "update_clones".
12784 (inlining_p): Kill saving.
12785 * tree-inline.h (tree_function_versioning): Update prototype.
12786 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12789 2006-01-11 Ian Lance Taylor <ian@airs.com>
12791 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12792 Allow undoing set of machine mode.
12793 (do_SUBST): Use enums instead of is_int.
12794 (do_SUBST_MODE): New function.
12795 (SUBST_MODE): New macro.
12796 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12797 reg and trying to replace reg_regno_rtx with a new register.
12798 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12799 (simplify_set): Use SUBST_MODE.
12800 (distribute_notes): Remove code that tried to update reg notes
12801 for regno_reg_rtx changes.
12803 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12805 PR tree-optimization/23109
12806 PR tree-optimization/23948
12807 PR tree-optimization/24123
12809 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12810 * tree-cfg.c (single_noncomplex_succ): New.
12811 * tree-flow.h (single_noncomplex_succ): Declare it.
12812 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12813 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12814 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12815 insert_bb, register_division_in, insert_reciprocals,
12816 replace_reciprocal, free_bb): New.
12817 (execute_cse_reciprocals_1): Rewritten.
12818 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12819 Do not commit any edge insertion. Always compute dominators and
12820 create the allocation pool.
12821 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12822 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12823 * targhooks.c (default_min_divistions_for_recip_mul): New.
12824 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12825 * passes.c (init_optimization_passes): Run recip after tree loop
12827 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12829 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12830 Kenneth Zadeck <zadeck@naturalbridge.com>
12832 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12833 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12834 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12835 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12836 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12837 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12838 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12839 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12840 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12841 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12842 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12843 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12844 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12845 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12846 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12847 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12848 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12849 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12850 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12851 DF_SCAN_POST_ALLOC): New macros.
12852 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12853 df_free_bb_function, df_local_compute_function, df_init_function,
12854 df_dataflow_function, df_confluence_function_0,
12855 df_confluence_function_n, df_transfer_function,
12856 df_finalizer_function, df_free_function, df_dump_problem_function,
12857 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12858 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12859 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12860 df_urec_bb_info, ) New types.
12861 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12863 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12864 df_analyze_simple_change_some_blocks,
12865 df_analyze_simple_change_one_block, df_compact_blocks,
12866 df_bb_replace, df_bb_regno_last_use_find,
12867 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12868 df_insn_regno_def_p, df_find_def, df_find_use,
12869 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12870 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12871 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12872 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12873 debug_df_chain, df_get_dependent_problem, df_chain_create,
12874 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12875 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12876 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12877 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12878 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12879 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12880 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12881 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12882 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12883 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12884 df_reorganize_refs, df_set_state, df_hard_reg_init,
12885 df_read_modify_subreg_p) New public functions.
12886 * df-core.c: The core dataflow solver and glue routines for rtl
12888 (df_init, df_add_problem, df_set_blocks, df_finish,
12889 df_hybrid_search_forward, df_hybrid_search_backward,
12890 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12891 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12892 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12893 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12894 df_reg_defined, df_find_use, df_reg_used, df_dump,
12895 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12896 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12897 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12898 debug_df_useno, reset_df_after_reload): New functions.
12899 * df-scan.c: The scanning fuctions, once in df.c, completely
12900 rewritten so that they now fully model the functionality of
12901 register usage at the backend.
12902 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12903 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12904 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12905 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12906 df_get_artificial_defs, df_get_artificial_uses,
12907 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12908 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12909 df_refs_delete, df_reorganize_refs, df_set_state,
12910 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12911 df_def_record_1, df_defs_record, df_uses_record,
12912 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12913 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12914 df_record_exit_block_uses, df_hard_reg_init): New functions.
12916 * df-problems.c: Seven concrete dataflow problems that use the
12917 scanning in df-scan.c and are solved by the engine in df-core.c.
12918 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12919 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12920 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12921 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12922 df_ru_free_bb_info, df_ru_alloc,
12923 df_ru_bb_local_compute_process_def,
12924 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12925 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12926 df_ru_transfer_function, df_ru_free, df_ru_dump,
12927 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12928 df_rd_free_bb_info, df_rd_alloc,
12929 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12930 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12931 df_rd_transfer_function, df_rd_free, df_rd_dump,
12932 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12933 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12934 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12935 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12936 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12937 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12938 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12939 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12940 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12941 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12942 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12943 df_urec_mark_reg_use_for_earlyclobber,
12944 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12945 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12946 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12947 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12948 df_chain_create_bb_process_use, df_chain_create_bb,
12949 df_chain_finalize, df_chain_free, df_chains_dump,
12950 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12951 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12952 df_reg_lifetime): New functions.
12953 * df.c: Deleted file.
12954 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12955 consistent with new df api.
12956 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12957 rest_of_handle_sms): Ditto.
12958 * web.c (unionfind_union, union_defs, entry_register, web_main):
12960 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12961 invariant_expr_equal_p, find_defs, check_dependencies,
12962 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12963 free_inv_motion_data, move_loop_invariants): Ditto.
12964 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12965 Update dependencies.
12966 (odf.c): Added defective entry that was deleted later in day.
12967 * sched-deps.c (sched_analyze_1): Ditto.
12969 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12971 * tree-ssa-operands.c (get_expr_operands): Record addressable
12972 variables directly. Do not call add_stmt_operands for CONST_DECLs
12974 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12975 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12977 2006-01-11 Ben Elliston <bje@au.ibm.com>
12979 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12980 function returns true in the positive case.
12982 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12985 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12986 for SI, DI, SF and DF modes. Add alternatives to copy between
12987 general and floating point registers to the 32-bit patterns.
12988 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12989 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12990 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12991 generating 64-bit code.
12992 * config/pa/pa.c (output_move_double): Handle copies between general
12993 and floating registers.
12995 2006-01-10 Stuart Hastings <stuart@apple.com>
12997 * config/i386/i386.md (set_got): Update.
12998 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12999 (builtin_setjmp_receiver): Mach-O support.
13000 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13001 (GOT_SYMBOL_NAME): Define.
13002 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13003 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13004 * config/i386/i386.c (override_options): Revise for Darwin.
13005 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13006 support. (darwin_x86_file_end): New. (output_set_got): Add label
13007 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13008 * config/i386/i386-protos.h (output_set_got): Likewise.
13009 * config/darwin.c (machopic_legitimize_pic_address): Update
13012 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13014 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13015 when MODE isn't BLKmode.
13017 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13019 PR rtl-optimization/25367
13020 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13022 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13025 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13026 for a negative bound.
13028 2006-01-10 Richard Guenther <rguenther@suse.de>
13030 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13031 Never override with anything constraint.
13033 2006-01-10 Jan Beulich <jbeulich@novell.com>
13035 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13036 256 bits when optimize_size.
13038 2006-01-10 Jan Beulich <jbeulich@novell.com>
13040 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13042 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13043 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13046 2006-01-10 Ben Elliston <bje@au.ibm.com>
13048 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13050 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13051 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13052 (USE_FP_FOR_ARG): Reject decimal float modes.
13053 (function_arg_advance): Likewise.
13054 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13055 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13056 point types in AltiVec vectors.
13057 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13058 (rs6000_libcall_value): Likewise.
13060 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13062 * config/xtensa/ieee754-df.S: New file.
13063 * config/xtensa/ieee754-sf.S: New file.
13064 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13065 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13066 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13068 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13070 * config/sh/predicates.md (binary_float_operator,
13071 binary_logical_operator, commutative_float_operator,
13072 equality_comparison_operator, greater_comparison_operator,
13073 less_comparison_operator, logical_operator,
13074 noncommutative_float_operator, shift_operator,
13075 symbol_ref_operand, unary_float_operator): Remove redundant
13078 2006-01-09 Jeff Law <law@redhat.com>
13080 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13081 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13082 now unused arguments. Callers updated.
13083 (eliminate_redundant_computations): Remove now unused arguments,
13085 (local_fold): Remove, no longer used.
13086 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13088 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13089 (simplify_cond): New function.
13090 (forward_propagate_into_cond): Call simplify_cond.
13092 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13094 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13095 (*vec_extractv2di_1_sse): New.
13097 2006-01-09 Ben Elliston <bje@au.ibm.com>
13099 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13101 2006-01-08 Richard Guenther <rguenther@suse.de>
13103 * tree-ssa-structalias.c (get_constraint_for): Remove
13104 anyoffset argument.
13105 (get_constraint_for_component_ref): Likewise.
13106 (do_deref): Likewise.
13107 (get_constraint_for): Likewise.
13108 (do_structure_copy): Likewise.
13109 (handle_ptr_arith): Likewise.
13110 (find_func_aliases): Likewise. Remove unused need_anyoffset
13113 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13114 Kaz Kojima <kkojima@gcc.gnu.org>
13116 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13117 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13118 (EXTRA_CONSTRAINT_C16): Remove.
13119 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13120 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13121 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13122 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13123 constants of SHmedia. Handle nested constant expressions of
13125 (andcosts): Fix the costs for SHmedia constants.
13126 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13127 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13128 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13129 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13130 (movv4hi_i, movv2si_i): Likewise.
13131 (movsi_const): Adjust the second operand of ior so to match with
13132 the Csu constraint.
13133 (movdi_const, movdi_const_32bit): Likewise.
13134 (movdi_const_16bit+1): Don't sign-extend LOW.
13135 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13137 (*double_shori): Fix the split condition. Use GEN_INT instead
13138 of get_int_mode calls. Mask lower 16-bit of the argument of
13140 (sym2GOTPLT): Remove.
13141 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13143 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13144 instead of EXTRA_CONSTRAINT_C16.
13146 2006-01-07 Ian Lance Taylor <ian@airs.com>
13147 David Edelsohn <edelsohn@gnu.org>
13149 PR rtl-optimization/25662
13150 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13151 for constant operands instead of simplify_gen_binary.
13152 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13153 after trying simplify_binary_operation
13155 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13157 * tree.c (iterative_hash_expr): Hash decls based on UID.
13159 2006-01-06 Eric Christopher <echristo@apple.com>
13161 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13162 (TARGET_UNWIND_EMIT): Fix spelling.
13163 * target.h (gcc_target): Add except_table_label.
13164 * except.c (output_function_exception_table): Use.
13165 * varasm.c (default_emit_except_table_label): New.
13166 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13168 (asm_out): Add here.
13169 * output.h (default_emit_except_table_label): Prototype.
13170 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13171 * config/darwin.c (darwin_emit_except_table_label): Define.
13172 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13174 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13176 PR tree-optimization/18527
13177 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13178 number_of_iterations_special, number_of_iterations_exit):
13179 Move base and step of an iv to a single structure. Add
13180 no_overflow flag, and use it in # of iterations analysis.
13181 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13182 folded_casts argument.
13183 (simple_iv): Pass base and step in a structure. Set no_overflow
13185 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13186 Evaluate expensiveness of computing # of iterations instead of
13187 the final expression.
13188 * tree-scalar-evolution.h (affine_iv): New structure.
13189 (simple_iv): Declaration changed.
13190 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13191 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13192 find_givs_in_stmt): Changed due to simple_iv change.
13194 2006-01-06 Jeff Law <law@redhat.com>
13197 * tree-cfg.c (bsi_replace): Rename final argument from
13198 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13199 change (stmt -> orig_stmt).
13200 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13201 (bsi_remove): Add new argument. Remove EH information
13203 (verify_eh_throw_table_statements): New function.
13204 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13206 * tree-optimize.c (execute_free_cfg_annotations): Verify
13207 the EH throw statement table after removing annotations.
13208 * except.h (verify_eh_throw_table_statements): Prototype.
13209 * tree-flow.h (bsi_remove): Update prototype.
13210 * tree-vrp.c (remove_range_assertions): Add new argument to
13212 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13213 * tree-complex.c (expand_complex_div_wide): Likewise.
13214 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13215 * tree-tailcall.c (eliminate_tailcall): Likewise.
13216 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13217 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13218 * tree-nrv.c (tree_nrv): Likewise.
13219 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13220 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13221 (combine_blocks): Likewise.
13222 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13223 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13224 (cleanup_control_flow): Likewise.
13225 (remove_forwarder_block): Likewise.
13226 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13227 * tree-sra.c (sra_replace): Likewise.
13228 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13229 (forward_propagate_single_use_vars): Likewise.
13230 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13231 * tree-inline.c (expand_call_inline): Likewise.
13232 * tree-vect-transform.c (vect_transform_loop): Likewise.
13233 * tree-outof-ssa.c (rewrite_trees): Likewise.
13234 * tree-cfg.c (make_goto_expr_edges): Likewise.
13235 (cleanup_dead_labels): Likewise.
13236 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13237 (bsi_move_before, bsi_move_after): Likewise.
13238 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13239 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13241 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13244 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13246 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13247 on non gimple variables. Also add checks at the top for decls and
13249 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13251 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13252 and IMAGPART_EXPR for creating MUST_DEFs.
13253 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13254 and NAME_MEMORY_TAG separately from the DECLs.
13256 2006-01-06 Richard Guenther <rguenther@suse.de>
13258 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13259 annotation, if necessary.
13260 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13261 redundant calls to update_stmt.
13262 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13265 2006-01-05 Richard Henderson <rth@redhat.com>
13267 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13269 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13271 * c-typeck.c: Update copyright date.
13273 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13275 * c-typeck.c (build_c_cast): Always warn when casting
13276 from a pointer to an integer of different size, even if
13277 the node was constant.
13279 2006-01-05 Richard Guenther <rguenther@suse.de>
13281 PR tree-optimization/22555
13282 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13283 if one structure field is an array.
13284 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13285 operands even if we found a subvar, but ignore VOPs in this
13287 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13289 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13291 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13293 PR middle-end/24998
13294 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13296 2006-01-05 Richard Guenther <rguenther@suse.de>
13297 Diego Novillo <dnovillo@redhat.com>
13299 * tree-pass.h (TODO_remove_unused_locals): Define.
13300 * gimple-low.c (expand_var_p, remove_useless_vars,
13301 pass_remove_useless_vars): Remove. Update all users.
13302 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13303 (remove_unused_locals): New function.
13304 * tree-flow.h (remove_unused_locals): Declare.
13305 * passes.c (execute_todo): Call remove_unused_locals if
13306 TODO_remove_unused_locals is set.
13307 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13308 * tree-ssa-dce.c (pass_dce): Likewise.
13309 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13311 2006-01-05 Richard Guenther <rguenther@suse.de>
13313 * tree-flow.h (struct fieldoff): Decompose field to
13314 type, size and decl.
13315 * tree-ssa-alias.c (create_sft): Take type as parameter.
13316 (create_overlap_variables_for): Store type, size and decl
13317 in the fieldoff structure.
13318 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13319 of struct fieldoff.
13320 (push_fields_onto_fieldstack): Likewise.
13321 (create_variable_info_for): Likewise. Use offset for the
13322 SFT name if the decl is not available.
13324 2006-01-04 Paul Brook <paul@codesourcery.com>
13326 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13328 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13330 * lambda-code.c (can_put_in_inner_loop): Relax
13332 (can_put_after_inner_loop): New function.
13333 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13334 (perfect_nestify): Change to make copies and modify uses.
13336 2006-01-04 Richard Henderson <rth@redhat.com>
13338 Merge from gomp branch:
13339 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13340 via integer constant.
13341 (pragma_lex): Remove.
13342 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13343 rather than parsing it.
13344 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13345 handle_pragma_extern_prefix): Add %< %> quotes.
13346 (registered_pragmas): New.
13347 (c_register_pragma_1): New.
13348 (c_register_pragma): Use it.
13349 (c_register_pragma_with_expansion): Likewise.
13350 (c_invoke_pragma_handler): New.
13351 (init_pragma): Use cpp_register_deferred_pragma directly for
13353 * c-pragma.h (enum pragma_kind): New.
13354 (pragma_handler): New.
13355 (c_invoke_pragma_handler): Declare.
13356 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13358 * c-common.h (c_common_pch_pragma): Update decl.
13359 * Makefile.in (c-parser.o): Update dependencies.
13360 (GTFILES): Add c-pragma.h.
13361 * c-parser.c (struct c_token): Add pragma_kind.
13362 (struct c_parser): Add in_pragma.
13363 (c_lex_one_token): Always initialize keyword and pragma_kind.
13364 Extract data for CPP_PRAGMA.
13365 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13366 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13367 Don't allow CPP_PRAGMA_EOL if in_pragma.
13368 (c_parser_consume_pragma): New.
13369 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13370 (c_parser_skip_to_end_of_parameter): Likewise.
13371 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13372 (c_parser_skip_to_pragma_eol): New.
13373 (c_parser_external_declaration): Handle CPP_PRAGMA.
13374 (c_parser_compound_statement_nostart): Likewise.
13375 (c_parser_statement_after_labels): Likewise.
13376 (c_parser_pragma): New.
13377 (pragma_lex): Likewise.
13378 (c_parser_pragma_pch_preprocess): New.
13379 (c_parser_new): Merge into ...
13380 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13382 2006-01-04 Jeff Law <law@redhat.com>
13385 * tree-cfg.c (bsi_replace): Remove the original statement
13386 from the EH throw statement table.
13388 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13390 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13391 make the prototype extern "C" and add throw ().
13394 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13395 and pos non-negative and pos + len <= 32.
13396 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13397 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13398 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13401 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13402 as well as sizes not multiple of component size.
13405 * function.c (instantiate_expr): New function.
13406 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13407 walk its DECL_VALUE_EXPR with instantiate_expr.
13409 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13410 DW_OP_deref{,_size} if address isn't going to be added.
13412 2006-01-04 Ben Elliston <bje@au.ibm.com>
13414 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13415 * config/fp-bit.c: Likewise.
13417 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13419 * dominance.c: Add comment about why we use DFS numbering
13422 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13423 Richard Henderson <rth@redhat.com>
13425 Merge from gomp-branch:
13426 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13427 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13429 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13431 PR rtl-optimization/25578
13432 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13433 pass a parameter to simplify_shift_const if changing ASHIFTRT
13436 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13438 * builtins.c (get_builtin_sync_mem): New function.
13439 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13440 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13441 Call get_builtin_sync_mem to generate mem rtx.
13443 2006-01-03 Richard Guenther <rguenther@suse.de>
13446 * stmt.c (add_case_node): Make sure to clear overflow flags
13449 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13451 Merge from gomp-branch.
13452 * config/sparc/sync.md: New file.
13453 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13454 UNSPECV_LDSTUB): New constants.
13455 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13456 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13457 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13460 2006-01-03 Roger Sayle <roger@eyesopen.com>
13462 * combine.c (reg_subword_p): New predicate to test whether the
13463 destination of a set refers to a subword/piece of a register.
13464 (try_combine): Generalize the code to merge the setting of a
13465 pseudo to a constant followed by a set of a subword of that
13466 register to a constant.
13468 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13470 * basic-block.h (control_flow_graph): Change the type of
13471 x_label_to_block_map to VEC(basic_block,gc) *.
13472 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13473 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13475 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13476 VEC(basic_block,heap) *.
13477 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13478 ssa_prop_fini): Adjust the uses of cfg_blocks.
13480 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13482 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13484 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13485 hashing trees instead of a pointer hash.
13486 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13487 compare for MEM_EXPR.
13489 PR rtl-optimization/25130
13490 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13491 when comparing MEMs for GCSE
13493 2006-01-03 Ben Elliston <bje@au.ibm.com>
13495 * targhooks.h (default_decimal_float_supported_p): Declare.
13496 * targhooks.c (default_decimal_float_supported_p): Define.
13497 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13498 `default_decimal_float_supported_p'.
13499 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13501 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13503 * combine.c (apply_distributive_law <SUBREG>): Check
13504 TRULY_NOOP_TRUNCATION.
13506 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13508 * dwarf2out.c (have_switched_text_section): Delete.
13509 (have_multiple_function_sections): New.
13510 (have_location_lists): Make 'bool'.
13511 (add_AT_loc_list): Use 'true' not '1'.
13512 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13513 (output_loc_list): Use have_multiple_function_sections.
13514 (output_ranges): Likewise.
13515 (dwarf2out_begin_function): Set have_multiple_function_sections if
13517 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13518 Check function_section rather than DECL_SECTION_NAME.
13519 (dwarf2out_finish): Use have_multiple_function_sections.
13520 Don't clear have_location_lists.
13522 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13523 Jan Hubicka <jh@suse.cz>
13525 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13526 case of conditional jump jumping to the next instruction.
13527 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13528 cases of conditional jump jumping to the next instruction.
13530 2006-01-02 Jan Hubicka <jh@suse.cz>
13532 * i386.c (*_cost): Add COSTS_N_INSNS.
13533 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13535 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13538 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13540 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13542 * config/arm/arm.c (all_fpus): Fix comment typo.
13543 * config/darwin.c: Likewise.
13544 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13545 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13546 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13548 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13550 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13551 (rs6000_split_compare_and_swapqhi): New.
13552 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13553 (sync_compare_and_swapqhi_internal): New.
13554 * config/rs6000/rs6000-protos.h: Declare.